/* roulang page: index */
:root {
            --color-primary: #1A1D20;
            --color-primary-light: #2B2E33;
            --color-primary-mid: #3A3E44;
            --color-accent: #2D8C4C;
            --color-accent-dark: #247340;
            --color-cta: #E85D26;
            --color-cta-dark: #CC4F1F;
            --color-bg: #F7F5F2;
            --color-bg-alt: #F0EFEB;
            --color-bg-card: #FFFFFF;
            --color-text: #3D3F42;
            --color-text-light: #6B6E72;
            --color-text-dark: #2A2C2F;
            --color-border: #E3E1DC;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --spacing-2xl: 7rem;
            --font-base: 16px;
            --font-lg: 18px;
            --line-height-base: 1.85;
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--color-primary);
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--color-cta);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section {
            padding: var(--spacing-xl) 0;
        }

        .section-tight {
            padding: var(--spacing-lg) 0;
        }

        .section-bg-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .section-bg-alt {
            background: var(--color-bg-alt);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .text-center {
            text-align: center;
        }

        .text-accent {
            color: var(--color-cta);
        }

        .text-gold {
            color: #D4A017;
        }

        .mt-1 {
            margin-top: var(--spacing-sm);
        }

        .mt-2 {
            margin-top: var(--spacing-md);
        }

        .mt-3 {
            margin-top: var(--spacing-lg);
        }

        .mb-2 {
            margin-bottom: var(--spacing-md);
        }

        .mb-3 {
            margin-bottom: var(--spacing-lg);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            min-height: 68px;
            flex-wrap: nowrap;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-cta);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--color-primary);
        }

        .site-logo .logo-text span {
            color: var(--color-cta);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--color-text);
            padding: 0.5rem 0.65rem;
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--color-cta);
            background: #FAF7F2;
        }

        .main-nav a.active {
            color: var(--color-cta);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0.65rem;
            right: 0.65rem;
            height: 2px;
            background: var(--color-cta);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-shrink: 0;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input[type="search"] {
            width: 160px;
            padding: 0.5rem 0.8rem;
            border: 1px solid transparent;
            background: #F1EFEB;
            border-radius: 20px;
            font-size: 0.88rem;
            color: var(--color-text-dark);
            transition: width var(--transition), background var(--transition), border-color var(--transition);
            outline: none;
        }

        .search-box input[type="search"]:focus {
            background: var(--color-white);
            border-color: var(--color-cta);
            width: 200px;
        }

        .search-box .fa-search {
            position: absolute;
            right: 0.8rem;
            color: var(--color-text-light);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            padding: 0.55rem 1.4rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--color-cta);
            color: var(--color-white);
            border: 2px solid var(--color-cta);
        }

        .btn-primary:hover {
            background: var(--color-cta-dark);
            border-color: var(--color-cta-dark);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232,93,38,0.3);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 6px rgba(232,93,38,0.35);
        }

        .btn-primary:focus {
            outline: 2px solid var(--color-cta);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-secondary:hover {
            background: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-secondary:focus {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-cta);
            background: none;
            border: none;
            padding: 0.25rem 0;
            transition: gap var(--transition), color var(--transition);
        }

        .btn-link .fa-arrow-right {
            transition: transform var(--transition);
            font-size: 0.8rem;
        }

        .btn-link:hover {
            color: var(--color-cta-dark);
            gap: 0.6rem;
        }

        .btn-link:hover .fa-arrow-right {
            transform: translateX(3px);
        }

        .btn-link:focus {
            outline: 2px solid var(--color-cta);
            outline-offset: 3px;
            border-radius: 2px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            background: none;
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
        }

        .nav-toggle span {
            width: 24px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 5px);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(4px, -5px);
        }

        /* ============ HERO ============ */
        .hero {
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
            color: var(--color-white);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26,29,32,0.92) 30%, rgba(26,29,32,0.75) 70%, rgba(232,93,38,0.25) 100%);
            z-index: 1;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 3rem;
            padding-top: 4rem;
            padding-bottom: 4rem;
            min-height: 520px;
        }

        .hero-content {
            flex: 1 1 45%;
        }

        .hero-visual {
            flex: 1 1 55%;
            display: flex;
            gap: 1.2rem;
            align-items: stretch;
            justify-content: flex-end;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(232,93,38,0.18);
            border: 1px solid rgba(232,93,38,0.5);
            color: var(--color-cta);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            margin-bottom: 1.5rem;
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .hero h1 .highlight {
            color: var(--color-cta);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 520px;
        }

        .hero-cta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .stat-number {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--color-cta);
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
        }

        .hero-compare-card {
            background: var(--color-white);
            color: var(--color-text);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.3rem;
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            position: relative;
            box-shadow: 0 8px 24px rgba(0,0,0,0.25);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .hero-compare-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0,0,0,0.3);
        }

        .hero-compare-card.featured {
            border: 3px solid var(--color-cta);
            transform: translateY(-12px);
            box-shadow: 0 12px 36px rgba(232,93,38,0.35);
        }

        .hero-compare-card.featured:hover {
            transform: translateY(-16px);
            box-shadow: 0 16px 40px rgba(232,93,38,0.4);
        }

        .compare-badge {
            position: absolute;
            top: -14px;
            right: 1.3rem;
            background: var(--color-cta);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.3rem 0.8rem;
            border-radius: 16px;
            letter-spacing: 1px;
        }

        .compare-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
        }

        .compare-desc {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin-bottom: 1rem;
            line-height: 1.55;
        }

        .compare-price {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 0.3rem;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 1.2rem;
            flex: 1;
        }

        .compare-list li {
            font-size: 0.86rem;
            color: var(--color-text);
            padding: 0.35rem 0;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .compare-list li .fa-check {
            color: var(--color-accent);
            font-size: 0.75rem;
        }

        .compare-list li .fa-minus {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }

        .compare-btn {
            width: 100%;
            text-align: center;
            font-size: 0.88rem;
            font-weight: 700;
            padding: 0.6rem 0;
            border-radius: var(--radius-sm);
            background: var(--color-bg-alt);
            color: var(--color-primary);
            border: 2px solid var(--color-border);
            transition: all var(--transition);
        }

        .compare-btn:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .compare-btn.featured-btn {
            background: var(--color-cta);
            color: #fff;
            border-color: var(--color-cta);
        }

        .compare-btn.featured-btn:hover {
            background: var(--color-cta-dark);
            border-color: var(--color-cta-dark);
            transform: translateY(-2px);
        }

        /* ============ CARDS / GRIDS ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.3rem;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-accent);
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .feature-card:nth-child(2)::before {
            background: var(--color-cta);
        }

        .feature-card:nth-child(3)::before {
            background: #D4A017;
        }

        .feature-card:nth-child(4)::before {
            background: #5B8DB8;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--color-cta);
            box-shadow: var(--shadow-md);
        }

        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: #F7F5F2;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }

        .feature-card:nth-child(2) .feature-icon {
            color: var(--color-cta);
        }

        .feature-card:nth-child(3) .feature-icon {
            color: #D4A017;
        }

        .feature-card:nth-child(4) .feature-icon {
            color: #5B8DB8;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.6rem;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ============ SCENARIO ============ */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .scenario-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }

        .scenario-card .scenario-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .scenario-card .scenario-img .scenario-tag {
            position: absolute;
            bottom: 10px;
            left: 12px;
            background: rgba(26,29,32,0.8);
            color: #fff;
            font-size: 0.76rem;
            font-weight: 600;
            padding: 0.3rem 0.7rem;
            border-radius: 14px;
        }

        .scenario-card .scenario-body {
            padding: 1.3rem;
        }

        .scenario-card h4 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.65;
        }

        /* ============ CASE ============ */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .case-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.6rem;
            transition: all var(--transition);
            position: relative;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-cta);
        }

        .case-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            background: #EDF7F0;
            padding: 0.3rem 0.7rem;
            border-radius: 14px;
            margin-bottom: 0.8rem;
        }

        .case-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.6rem;
        }

        .case-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.65;
            margin-bottom: 1rem;
        }

        .case-metrics {
            display: flex;
            gap: 1.2rem;
            padding-top: 0.8rem;
            border-top: 1px solid var(--color-border);
        }

        .case-metric {
            display: flex;
            flex-direction: column;
        }

        .case-metric .metric-number {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-cta);
        }

        .case-metric .metric-label {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* ============ PRICING ============ */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
            align-items: start;
        }

        .pricing-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            transition: all var(--transition);
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .pricing-card.highlight {
            border: 3px solid var(--color-cta);
            box-shadow: 0 8px 28px rgba(232,93,38,0.2);
            transform: translateY(-10px);
        }

        .pricing-card.highlight:hover {
            transform: translateY(-14px);
            box-shadow: 0 12px 36px rgba(232,93,38,0.3);
        }

        .pricing-tag {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-cta);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.3rem 0.9rem;
            border-radius: 16px;
            white-space: nowrap;
        }

        .pricing-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            text-align: center;
            margin-bottom: 0.5rem;
        }

        .pricing-desc {
            font-size: 0.88rem;
            color: var(--color-text-light);
            text-align: center;
            margin-bottom: 1.2rem;
        }

        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }

        .pricing-features li {
            font-size: 0.9rem;
            color: var(--color-text);
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .pricing-features li .fa-check {
            color: var(--color-accent);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .pricing-features li.disabled {
            color: var(--color-text-light);
            opacity: 0.65;
        }

        .pricing-features li.disabled .fa-minus {
            color: var(--color-text-light);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .pricing-btn {
            width: 100%;
            text-align: center;
            font-size: 0.95rem;
            font-weight: 700;
            padding: 0.7rem 0;
            border-radius: var(--radius-sm);
            background: var(--color-bg-alt);
            color: var(--color-primary);
            border: 2px solid var(--color-border);
            transition: all var(--transition);
            text-decoration: none;
            display: block;
        }

        .pricing-btn:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .pricing-btn.highlight-btn {
            background: var(--color-cta);
            color: #fff;
            border-color: var(--color-cta);
        }

        .pricing-btn.highlight-btn:hover {
            background: var(--color-cta-dark);
            border-color: var(--color-cta-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(232,93,38,0.3);
        }

        /* ============ BRAND INTRO ============ */
        .brand-intro-section {
            background: var(--color-bg-alt);
            padding: var(--spacing-xl) 0;
        }

        .brand-intro-grid {
            display: flex;
            gap: 3rem;
            align-items: center;
        }

        .brand-intro-text {
            flex: 1;
        }

        .brand-intro-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1.2rem;
        }

        .brand-intro-text p {
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        .brand-intro-image {
            flex: 0 0 420px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .brand-intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        /* ============ NEWS ============ */
        .news-layout {
            display: flex;
            gap: 2rem;
            align-items: flex-start;
        }

        .news-list {
            flex: 1 1 65%;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition);
        }

        .news-item:hover {
            background: #FAFAF8;
        }

        .news-item .news-date {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-cta);
            letter-spacing: 1px;
            display: block;
            margin-bottom: 0.4rem;
        }

        .news-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.4rem;
        }

        .news-item p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 0.5rem;
        }

        .news-sidebar {
            flex: 0 0 30%;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
        }

        .news-sidebar h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--color-cta);
        }

        .news-sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-sidebar ul li {
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--color-border);
        }

        .news-sidebar ul li a {
            font-size: 0.9rem;
            color: var(--color-text);
            transition: color var(--transition);
            line-height: 1.5;
        }

        .news-sidebar ul li a:hover {
            color: var(--color-cta);
        }

        /* ============ DEEP CONTENT ============ */
        .deep-content-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-white);
        }

        .deep-content-grid {
            display: flex;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .deep-content-grid:last-child {
            margin-bottom: 0;
        }

        .deep-content-grid .deep-text {
            flex: 1;
        }

        .deep-content-grid .deep-image {
            flex: 0 0 400px;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .deep-content-grid .deep-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .deep-content-grid h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
        }

        .deep-content-grid p {
            font-size: 0.98rem;
            color: var(--color-text);
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        /* ============ SECURITY ============ */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .security-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            color: var(--color-white);
            transition: all var(--transition);
        }

        .security-card:hover {
            background: rgba(255,255,255,0.12);
            border-color: rgba(232,93,38,0.5);
        }

        .security-card i {
            font-size: 1.8rem;
            color: var(--color-cta);
            margin-bottom: 0.8rem;
        }

        .security-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .security-card p {
            font-size: 0.86rem;
            color: rgba(255,255,255,0.75);
            line-height: 1.6;
        }

        /* ============ SOCIAL PROOF ============ */
        .proof-strip {
            display: flex;
            gap: 3rem;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            text-align: center;
        }

        .proof-item {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }

        .proof-item .proof-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
        }

        .proof-item .proof-label {
            font-size: 0.88rem;
            color: var(--color-text-light);
        }

        .proof-item .proof-stars {
            color: #F5A623;
            font-size: 1.1rem;
            letter-spacing: 2px;
        }

        /* ============ FAQ ============ */
        .accordion {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-card);
        }

        .accordion-item {
            border-bottom: 1px solid var(--color-border);
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-dark);
            padding: 1.1rem 1.5rem;
            background: var(--color-bg-card);
            transition: all var(--transition);
            position: relative;
        }

        .accordion-title:hover {
            color: var(--color-cta);
            background: #FAF7F2;
        }

        .accordion-title::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 1.5rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-cta);
            transition: transform var(--transition);
        }

        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
        }

        .accordion-content {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.75;
        }

        /* ============ CTA FORM ============ */
        .cta-form-section {
            background: linear-gradient(135deg, var(--color-primary) 40%, #2B2E33 100%);
            padding: var(--spacing-xl) 0;
            color: var(--color-white);
        }

        .cta-form-grid {
            display: flex;
            gap: 3rem;
            align-items: center;
        }

        .cta-form-text {
            flex: 1;
        }

        .cta-form-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .cta-form-text p {
            font-size: 1rem;
            color: rgba(255,255,255,0.8);
            line-height: 1.7;
        }

        .cta-form-box {
            flex: 0 0 400px;
            background: var(--color-white);
            color: var(--color-text);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: 0 12px 36px rgba(0,0,0,0.25);
        }

        .cta-form-box h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1.2rem;
        }

        .form-group {
            margin-bottom: 1rem;
        }

        .form-group label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-dark);
            margin-bottom: 0.35rem;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.7rem 0.9rem;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            background: #F9F8F6;
            font-size: 0.92rem;
            color: var(--color-text-dark);
            transition: border-color var(--transition), background var(--transition);
            outline: none;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-cta);
            background: var(--color-white);
        }

        .form-submit {
            width: 100%;
            font-size: 1rem;
            font-weight: 700;
            padding: 0.75rem 0;
            border-radius: var(--radius-sm);
            background: var(--color-cta);
            color: #fff;
            border: none;
            transition: all var(--transition);
            cursor: pointer;
        }

        .form-submit:hover {
            background: var(--color-cta-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(232,93,38,0.3);
        }

        .form-submit:active {
            transform: translateY(1px);
        }

        .form-submit:focus {
            outline: 2px solid var(--color-cta);
            outline-offset: 2px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.75);
            padding: 3.5rem 0 0;
        }

        .footer-grid {
            display: flex;
            gap: 3rem;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
        }

        .footer-brand {
            flex: 1 1 280px;
        }

        .footer-brand .site-logo {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }

        .footer-brand .site-logo .logo-icon {
            background: rgba(255,255,255,0.15);
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
            line-height: 1.7;
        }

        .footer-links {
            flex: 1 1 160px;
        }

        .footer-links h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links ul li {
            margin-bottom: 0.45rem;
        }

        .footer-links ul li a {
            font-size: 0.86rem;
            color: rgba(255,255,255,0.65);
            transition: color var(--transition);
        }

        .footer-links ul li a:hover {
            color: var(--color-cta);
        }

        .footer-contact {
            flex: 1 1 220px;
        }

        .footer-contact h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .footer-contact p {
            font-size: 0.86rem;
            color: rgba(255,255,255,0.65);
            line-height: 1.7;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-contact p i {
            color: var(--color-cta);
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.5);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-cta);
        }

        .footer-bottom p {
            margin-bottom: 0.3rem;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero .container {
                flex-direction: column;
                gap: 2.5rem;
                padding-top: 3rem;
                padding-bottom: 3rem;
                min-height: auto;
            }

            .hero h1 {
                font-size: 2.6rem;
            }

            .hero-visual {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }

            .hero-compare-card.featured {
                transform: translateY(-6px);
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }

            .pricing-card.highlight {
                transform: translateY(0);
            }

            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .brand-intro-grid {
                flex-direction: column;
            }

            .brand-intro-image {
                flex: 0 0 auto;
                width: 100%;
            }

            .deep-content-grid {
                flex-direction: column;
            }

            .deep-content-grid .deep-image {
                flex: 0 0 auto;
                width: 100%;
            }

            .cta-form-grid {
                flex-direction: column;
            }

            .cta-form-box {
                flex: 0 0 auto;
                width: 100%;
                max-width: 520px;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: wrap;
                min-height: 60px;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                display: none;
                width: 100%;
                order: 10;
                flex-direction: column;
                gap: 0;
                padding: 0.5rem 0;
                background: var(--color-white);
                border-top: 1px solid var(--color-border);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                width: 100%;
                padding: 0.7rem 1rem;
                border-radius: 0;
                font-size: 0.95rem;
            }

            .main-nav a.active::after {
                display: none;
            }

            .main-nav a.active {
                background: #FAF7F2;
            }

            .search-box input[type="search"] {
                width: 120px;
            }

            .search-box input[type="search"]:focus {
                width: 150px;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-visual {
                flex-direction: column;
                width: 100%;
            }

            .hero-compare-card.featured {
                transform: none;
            }

            .hero-compare-card:hover {
                transform: none;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .case-grid {
                grid-template-columns: 1fr;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .pricing-card.highlight {
                transform: translateY(-6px);
            }

            .news-layout {
                flex-direction: column;
            }

            .news-sidebar {
                flex: 0 0 auto;
                width: 100%;
            }

            .security-grid {
                grid-template-columns: 1fr;
            }

            .proof-strip {
                gap: 1.5rem;
            }

            .proof-item .proof-number {
                font-size: 1.7rem;
            }

            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .container,
            .container-wide {
                padding: 0 1rem;
            }

            .section {
                padding: 3rem 0;
            }

            .section-tight {
                padding: 2rem 0;
            }

            .hero .container {
                padding-top: 2rem;
                padding-bottom: 2rem;
            }

            .hero h1 {
                font-size: 1.75rem;
            }

            .hero-cta {
                flex-direction: column;
                gap: 0.8rem;
            }

            .hero-cta .btn {
                width: 100%;
                justify-content: center;
            }

            .header-actions .search-box {
                display: none;
            }

            .header-actions .btn-primary {
                padding: 0.45rem 1rem;
                font-size: 0.85rem;
            }

            .site-logo {
                font-size: 1.15rem;
            }

            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }

            .pricing-card {
                padding: 1.5rem 1.2rem;
            }

            .cta-form-box {
                padding: 1.5rem;
            }

            .deep-content-grid h3 {
                font-size: 1.3rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .news-item h4 {
                font-size: 0.98rem;
            }
        }

/* roulang page: category3 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #1A1D20;
            --color-primary-light: #2B2E33;
            --color-primary-mid: #3A3E44;
            --color-accent: #2D8C4C;
            --color-accent-dark: #247340;
            --color-cta: #E85D26;
            --color-cta-dark: #CC4F1F;
            --color-bg: #F7F5F2;
            --color-bg-alt: #F0EFEB;
            --color-bg-card: #FFFFFF;
            --color-text: #3D3F42;
            --color-text-light: #6B6E72;
            --color-text-dark: #2A2C2F;
            --color-border: #E3E1DC;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --spacing-2xl: 7rem;
            --font-base: 16px;
            --font-lg: 18px;
            --line-height-base: 1.85;
            --transition: 0.25s ease;
        }

        /* ============ Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--color-primary);
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--color-cta);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 0.5rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text-dark);
        }

        p {
            margin: 0 0 1rem;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ============ Section ============ */
        .section {
            padding: var(--spacing-xl) 0;
        }

        .section-tight {
            padding: var(--spacing-lg) 0;
        }

        .section-bg-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .section-bg-dark h1,
        .section-bg-dark h2,
        .section-bg-dark h3,
        .section-bg-dark h4,
        .section-bg-dark h5,
        .section-bg-dark h6 {
            color: var(--color-white);
        }

        .section-bg-alt {
            background: var(--color-bg-alt);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .text-center {
            text-align: center;
        }

        .text-accent {
            color: var(--color-cta);
        }

        /* ============ Header / Nav ============ */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            min-height: 68px;
            flex-wrap: nowrap;
            position: relative;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-cta);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--color-primary);
        }

        .site-logo .logo-text span {
            color: var(--color-cta);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--color-text);
            padding: 0.5rem 0.65rem;
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--color-cta);
            background: #FAF7F2;
        }

        .main-nav a.active {
            color: var(--color-cta);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0.65rem;
            right: 0.65rem;
            height: 2px;
            background: var(--color-cta);
            border-radius: 1px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: #F5F3F0;
            border-radius: 100px;
            padding: 0.4rem 0.9rem;
            gap: 0.5rem;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .search-box:focus-within {
            background: var(--color-white);
            box-shadow: 0 0 0 2px var(--color-cta);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            width: 140px;
            color: var(--color-text-dark);
        }

        .search-box input::placeholder {
            color: var(--color-text-light);
        }

        .search-box i {
            color: var(--color-text-light);
            font-size: 0.85rem;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            margin-left: auto;
            z-index: 110;
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        /* ============ Button ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
            text-align: center;
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: var(--color-cta);
            color: var(--color-white);
            border-color: var(--color-cta);
        }

        .btn-primary:hover {
            background: var(--color-cta-dark);
            border-color: var(--color-cta-dark);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:focus {
            outline: 2px solid var(--color-cta);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }

        .btn-outline:focus {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-light {
            background: var(--color-white);
            color: var(--color-primary);
            border-color: var(--color-white);
        }

        .btn-light:hover {
            background: var(--color-bg-alt);
            border-color: var(--color-bg-alt);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 0.4rem 0.9rem;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 0.8rem 1.8rem;
            font-size: 1.05rem;
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-light);
            padding: 1rem 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-light);
        }

        .breadcrumb a:hover {
            color: var(--color-cta);
        }

        .breadcrumb span {
            color: var(--color-text);
            font-weight: 600;
        }

        .breadcrumb i {
            font-size: 0.7rem;
            color: #C5C2BC;
        }

        /* ============ Category Hero ============ */
        .category-hero {
            background: var(--color-primary);
            padding: var(--spacing-lg) 0;
            border-bottom: 3px solid var(--color-cta);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(45,140,76,0.12) 0%, transparent 50%, rgba(232,93,38,0.08) 100%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            color: var(--color-white);
            font-size: 2.4rem;
            margin-bottom: 0.5rem;
        }

        .category-hero h1 span {
            color: var(--color-cta);
        }

        .category-hero p {
            color: rgba(255,255,255,0.75);
            font-size: 1.05rem;
            max-width: 700px;
            margin-bottom: 0;
        }

        .category-hero-meta {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .category-hero-meta span {
            color: rgba(255,255,255,0.6);
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .category-hero-meta i {
            color: var(--color-cta);
        }

        /* ============ Card ============ */
        .card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: #D0CCC4;
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--color-bg-alt);
        }

        .card-body {
            padding: 1.25rem;
        }

        .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.45;
        }

        .card-text {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 0.75rem;
        }

        .card-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 0.75rem;
        }

        .tag {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.6rem;
            border-radius: 100px;
            background: #F0EFEB;
            color: var(--color-text-light);
        }

        .tag-accent {
            background: #EAF4EE;
            color: var(--color-accent);
        }

        .tag-cta {
            background: #FEF0E9;
            color: var(--color-cta);
        }

        /* ============ Analysis Grid (Category3 Unique: Alternating) ============ */
        .analysis-list {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .analysis-item {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: flex-start;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .analysis-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #D0CCC4;
        }

        .analysis-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .analysis-item-img {
            flex: 0 0 260px;
            max-width: 260px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .analysis-item-img img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }

        .analysis-item-content {
            flex: 1;
            min-width: 0;
        }

        .analysis-item-content .date {
            font-size: 0.8rem;
            color: var(--color-cta);
            font-weight: 600;
            margin-bottom: 0.4rem;
        }

        .analysis-item-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .analysis-item-content p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 0.75rem;
        }

        .analysis-stats {
            display: flex;
            gap: 1.5rem;
            margin-top: 0.5rem;
            flex-wrap: wrap;
        }

        .analysis-stat {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .analysis-stat .stat-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .analysis-stat .stat-label {
            font-size: 0.75rem;
            color: var(--color-text-light);
        }

        /* ============ Deep Content ============ */
        .deep-content {
            background: var(--color-bg-card);
            border-left: 4px solid var(--color-cta);
            padding: 2rem;
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            box-shadow: var(--shadow-sm);
        }

        .deep-content h2 {
            font-size: 1.6rem;
            color: var(--color-text-dark);
            margin-bottom: 1.25rem;
        }

        .deep-content p {
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.9;
            margin-bottom: 1.25rem;
        }

        .deep-content p:last-child {
            margin-bottom: 0;
        }

        .deep-content blockquote {
            border-left: 3px solid var(--color-accent);
            padding: 0.75rem 1.25rem;
            margin: 1.5rem 0;
            background: #F7F9F8;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text);
            font-style: italic;
        }

        /* ============ Related ============ */
        .related-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1rem;
            display: flex;
            gap: 0.75rem;
            align-items: flex-start;
            transition: box-shadow var(--transition), border-color var(--transition);
            height: 100%;
        }

        .related-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: #D0CCC4;
        }

        .related-card-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: #F0EFEB;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .related-card-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.3rem;
            line-height: 1.4;
        }

        .related-card-content p {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .faq-question {
            padding: 1.1rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-weight: 600;
            color: var(--color-text-dark);
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            font-size: 1rem;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: #FAF7F2;
            color: var(--color-cta);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: #F5F3F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-text-light);
            transition: transform var(--transition), background var(--transition), color var(--transition);
        }

        .faq-item.active .faq-question {
            color: var(--color-cta);
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--color-cta);
            color: var(--color-white);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem;
            color: var(--color-text);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--color-primary);
            padding: var(--spacing-lg) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232,93,38,0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            color: var(--color-white);
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
        }

        .cta-section p {
            color: rgba(255,255,255,0.7);
            margin-bottom: 1.5rem;
            font-size: 1rem;
        }

        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            max-width: 650px;
        }

        .cta-form input,
        .cta-form textarea {
            flex: 1;
            min-width: 180px;
            padding: 0.65rem 1rem;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.1);
            color: var(--color-white);
            outline: none;
            font-size: 0.9rem;
            transition: background var(--transition), border-color var(--transition);
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255,255,255,0.55);
        }

        .cta-form input:focus,
        .cta-form textarea:focus {
            background: rgba(255,255,255,0.18);
            border-color: var(--color-cta);
            outline: 2px solid rgba(232,93,38,0.5);
        }

        .cta-form textarea {
            min-height: 90px;
            resize: vertical;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #121416;
            color: rgba(255,255,255,0.7);
            padding: var(--spacing-lg) 0 var(--spacing-sm);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            margin-top: 0.75rem;
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-white);
        }

        .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-cta);
            font-size: 1.1rem;
        }

        .footer-logo span {
            color: var(--color-cta);
        }

        .footer-logo:hover {
            color: var(--color-white);
        }

        .footer-col h5 {
            color: var(--color-white);
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul a {
            color: rgba(255,255,255,0.6);
            font-size: 0.88rem;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--color-cta);
            padding-left: 4px;
        }

        .footer-contact p {
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-contact i {
            color: var(--color-cta);
            width: 16px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
        }

        .footer-bottom p {
            margin-bottom: 0.35rem;
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.55);
        }

        .footer-bottom a:hover {
            color: var(--color-cta);
        }

        /* ============ Responsive ============ */
        @media screen and (max-width: 1024px) {
            .header-actions .search-box {
                display: none;
            }

            .analysis-item-img {
                flex: 0 0 200px;
                max-width: 200px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --spacing-xl: 3.5rem;
                --spacing-2xl: 4.5rem;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 1.5rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-md);
                gap: 0.25rem;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease, padding 0.3s ease;
                z-index: 99;
            }

            .main-nav.open {
                max-height: 420px;
                padding: 1rem 1.5rem;
            }

            .main-nav a {
                width: 100%;
                padding: 0.6rem 0;
                font-size: 1rem;
                border-bottom: 1px solid #F5F3F0;
            }

            .main-nav a:last-child {
                border-bottom: none;
            }

            .main-nav a.active::after {
                display: none;
            }

            .main-nav a.active {
                background: #FAF7F2;
                border-radius: var(--radius-sm);
            }

            .header-actions .btn {
                padding: 0.45rem 0.9rem;
                font-size: 0.82rem;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .analysis-item,
            .analysis-item:nth-child(even) {
                flex-direction: column;
            }

            .analysis-item-img {
                flex: 1 1 auto;
                max-width: 100%;
                width: 100%;
            }

            .analysis-item-img img {
                height: 200px;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .deep-content {
                padding: 1.25rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }

            .cta-form input,
            .cta-form textarea {
                min-width: 100%;
            }
        }

        @media screen and (max-width: 520px) {
            .site-header .container {
                gap: 0.5rem;
                min-height: 58px;
            }

            .site-logo {
                font-size: 1.15rem;
            }

            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }

            .header-actions .btn {
                display: none;
            }

            .header-actions .search-box {
                display: none;
            }

            .category-hero h1 {
                font-size: 1.5rem;
            }

            .category-hero p {
                font-size: 0.9rem;
            }

            .analysis-item-img img {
                height: 160px;
            }

            .section {
                padding: 3rem 0;
            }

            .container {
                padding: 0 1rem;
            }

            .deep-content h2 {
                font-size: 1.3rem;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1A1D20;
            --color-primary-light: #2B2E33;
            --color-primary-mid: #3A3E44;
            --color-accent: #2D8C4C;
            --color-accent-dark: #247340;
            --color-cta: #E85D26;
            --color-cta-dark: #CC4F1F;
            --color-bg: #F7F5F2;
            --color-bg-alt: #F0EFEB;
            --color-bg-card: #FFFFFF;
            --color-text: #3D3F42;
            --color-text-light: #6B6E72;
            --color-text-dark: #2A2C2F;
            --color-border: #E3E1DC;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --spacing-2xl: 7rem;
            --font-base: 16px;
            --font-lg: 18px;
            --line-height-base: 1.85;
            --transition: 0.25s ease;
        }
        html {
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--color-primary);
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--color-cta);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: 1rem;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-tight {
            padding: var(--spacing-lg) 0;
        }
        .section-bg-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }
        .section-bg-alt {
            background: var(--color-bg-alt);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--color-cta);
        }

        /* Header / Nav */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 68px;
            flex-wrap: nowrap;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-cta);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .site-logo:hover {
            color: var(--color-primary);
        }
        .site-logo .logo-text span {
            color: var(--color-cta);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            padding: 0.5rem 0.55rem;
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }
        .main-nav a:hover {
            color: var(--color-cta);
            background: #FAF7F2;
        }
        .main-nav a.active {
            color: var(--color-cta);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0.55rem;
            right: 0.55rem;
            bottom: 2px;
            height: 2px;
            background: var(--color-cta);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--color-bg-alt);
            border-radius: 20px;
            padding: 0.4rem 0.9rem;
            gap: 0.5rem;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            background: var(--color-white);
            box-shadow: 0 0 0 2px var(--color-cta);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-text);
            width: 120px;
            padding: 0;
        }
        .search-box input::placeholder {
            color: var(--color-text-light);
        }
        .search-box i {
            color: var(--color-text-light);
            font-size: 0.85rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            padding: 0.65rem 1.3rem;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background: var(--color-cta);
            color: var(--color-white);
        }
        .btn-primary:hover {
            background: var(--color-cta-dark);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:focus {
            outline: 2px solid var(--color-cta);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }
        .btn-secondary:focus {
            outline: 2px solid var(--color-cta);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 0.45rem 0.95rem;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 0.85rem 1.8rem;
            font-size: 1.05rem;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 0.5rem;
            border-radius: var(--radius-sm);
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: 0.7rem 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-light);
        }
        .breadcrumb a:hover {
            color: var(--color-cta);
        }
        .breadcrumb .separator {
            color: var(--color-border);
        }
        .breadcrumb .current {
            color: var(--color-cta);
            font-weight: 600;
        }

        /* Category Hero */
        .category-hero {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 55%, #3A3E44 100%);
            color: var(--color-white);
            padding: var(--spacing-lg) 0;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(45, 140, 76, 0.15);
            pointer-events: none;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(232, 93, 38, 0.08);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        .category-hero h1 span {
            color: var(--color-cta);
        }
        .category-hero p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.8);
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .hero-badges {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 20px;
            padding: 0.35rem 0.9rem;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.85);
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--color-cta);
        }

        /* Section general */
        .section-head {
            margin-bottom: 2.5rem;
        }
        .section-head .section-title {
            margin-bottom: 0.5rem;
        }
        .section-head .section-title::after {
            content: '';
            display: block;
            width: 50px;
            height: 3px;
            background: var(--color-cta);
            border-radius: 2px;
            margin-top: 0.6rem;
        }
        .section-head.text-center .section-title::after {
            margin-left: auto;
            margin-right: auto;
        }
        .section-head .section-subtitle {
            margin-bottom: 0;
        }

        /* Training feature cards - stacked layout for even page */
        .training-feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
        .training-feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .training-feature-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-cta);
            transform: translateY(-2px);
        }
        .training-feature-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
        }
        .training-feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.75rem;
        }
        .training-feature-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 1.2rem;
            flex-grow: 1;
        }
        .training-feature-card .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--color-text-light);
        }
        .training-feature-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .training-feature-card .card-meta i {
            color: var(--color-accent);
        }

        /* Deep content area */
        .deep-content {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            margin-bottom: 2rem;
        }
        .deep-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1.2rem;
        }
        .deep-content p {
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.9;
            margin-bottom: 1rem;
        }
        .deep-content .highlight-box {
            background: var(--color-bg-alt);
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-sm);
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            color: var(--color-text-dark);
            line-height: 1.75;
        }

        /* Steps */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .step-item {
            text-align: center;
            padding: 1.5rem 1rem;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-accent);
        }
        .step-number {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-cta);
            color: var(--color-white);
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.8rem;
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* Related cards */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .related-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-cta);
            transform: translateY(-2px);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 1.2rem 1.5rem;
        }
        .related-card .card-tag {
            display: inline-block;
            background: rgba(45, 140, 76, 0.1);
            color: var(--color-accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            margin-bottom: 0.6rem;
        }
        .related-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
        }
        .related-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.65;
            margin-bottom: 0.8rem;
        }
        .related-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-cta);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap var(--transition);
        }
        .related-card .card-link:hover {
            gap: 0.6rem;
            color: var(--color-cta-dark);
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.5rem;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--color-text-dark);
            cursor: pointer;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--color-cta);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: all var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-cta);
            color: var(--color-white);
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.2rem;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 70%);
            color: var(--color-white);
            padding: var(--spacing-xl) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(232, 93, 38, 0.1);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            max-width: 720px;
        }
        .cta-form input,
        .cta-form textarea {
            flex: 1 1 220px;
            min-width: 200px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1rem;
            color: var(--color-white);
            outline: none;
            transition: all var(--transition);
            font-size: 0.9rem;
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255,255,255,0.55);
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--color-cta);
            background: rgba(255,255,255,0.15);
            box-shadow: 0 0 0 2px rgba(232,93,38,0.3);
        }
        .cta-form textarea {
            min-height: 60px;
            resize: vertical;
            flex-basis: 100%;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.75);
            padding: var(--spacing-xl) 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2.5rem;
            padding-bottom: var(--spacing-lg);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-white);
            margin-bottom: 1rem;
        }
        .footer-brand .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-cta);
            font-size: 1.1rem;
        }
        .footer-brand .footer-logo span {
            color: var(--color-cta);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-cta);
        }
        .footer-contact p {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-contact i {
            color: var(--color-cta);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom p {
            margin-bottom: 0;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a:hover {
            color: var(--color-cta);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .training-feature-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.3rem;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--color-white);
                border-bottom: 1px solid var(--color-border);
                padding: 1rem 1.5rem;
                box-shadow: var(--shadow-md);
                overflow-y: auto;
                max-height: 70vh;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.75rem 0.5rem;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: #FAF7F2;
            }
            .header-actions .search-box {
                display: none;
            }
            .header-actions .btn {
                padding: 0.5rem 0.9rem;
                font-size: 0.85rem;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .category-hero {
                padding: var(--spacing-md) 0;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .category-hero p {
                font-size: 0.92rem;
            }
            .training-feature-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .training-feature-card {
                padding: 1.5rem;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .deep-content {
                padding: 1.5rem;
            }
            .deep-content h2 {
                font-size: 1.35rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form input,
            .cta-form textarea {
                flex-basis: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 1.45rem;
            }
            .site-logo {
                font-size: 1.15rem;
            }
            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .btn {
                font-size: 0.82rem;
                padding: 0.5rem 0.9rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1A1D20;
            --color-primary-light: #2B2E33;
            --color-primary-mid: #3A3E44;
            --color-accent: #2D8C4C;
            --color-accent-dark: #247340;
            --color-cta: #E85D26;
            --color-cta-dark: #CC4F1F;
            --color-bg: #F7F5F2;
            --color-bg-alt: #F0EFEB;
            --color-bg-card: #FFFFFF;
            --color-text: #3D3F42;
            --color-text-light: #6B6E72;
            --color-text-dark: #2A2C2F;
            --color-border: #E3E1DC;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --spacing-2xl: 7rem;
            --font-base: 16px;
            --font-lg: 18px;
            --line-height-base: 1.85;
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--color-primary);
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--color-cta);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section {
            padding: var(--spacing-xl) 0;
        }

        .section-tight {
            padding: var(--spacing-lg) 0;
        }

        .section-bg-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .section-bg-alt {
            background: var(--color-bg-alt);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.7;
            max-width: 720px;
        }

        .text-center {
            text-align: center;
        }

        .text-accent {
            color: var(--color-cta);
        }

        .text-gold {
            color: #D4A017;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            min-height: 68px;
            flex-wrap: nowrap;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-cta);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--color-primary);
        }

        .site-logo .logo-text span {
            color: var(--color-cta);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--color-text);
            padding: 0.5rem 0.65rem;
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--color-cta);
            background: #FAF7F2;
        }

        .main-nav a.active {
            color: var(--color-cta);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0.65rem;
            right: 0.65rem;
            height: 2px;
            background: var(--color-cta);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: #F2F0EC;
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 0.35rem 0.8rem;
            gap: 0.5rem;
            transition: background var(--transition), border var(--transition);
        }

        .search-box:focus-within {
            background: var(--color-white);
            border-color: var(--color-cta);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-text);
            width: 120px;
        }

        .search-box input::placeholder {
            color: var(--color-text-light);
        }

        .search-box i {
            color: var(--color-text-light);
            font-size: 0.85rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.65rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--color-cta);
            color: var(--color-white);
        }

        .btn-primary:hover {
            background: var(--color-cta-dark);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232, 93, 38, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-primary:focus {
            outline: 2px solid var(--color-cta);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

        .btn-secondary:hover {
            background: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-secondary:focus {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-outline-light {
            background: transparent;
            color: var(--color-white);
            border: 1.5px solid rgba(255,255,255,0.5);
        }

        .btn-outline-light:hover {
            background: var(--color-white);
            color: var(--color-primary);
            border-color: var(--color-white);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            background: transparent;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-bar {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding: 0.6rem 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-light);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .breadcrumb a:hover {
            color: var(--color-cta);
        }

        .breadcrumb i {
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--color-cta);
            font-weight: 600;
        }

        /* ============ CATEGORY HERO ============ */
        .category-hero {
            background: var(--color-primary);
            background-image: linear-gradient(135deg, #1A1D20 0%, #2B2E33 55%, #3A3E44 100%);
            color: var(--color-white);
            padding: var(--spacing-lg) 0;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
            color: var(--color-white);
        }

        .category-hero h1 .highlight {
            color: var(--color-cta);
        }

        .category-hero p {
            font-size: 1.05rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.8);
            max-width: 680px;
            margin-bottom: 1rem;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
            flex-wrap: wrap;
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        /* ============ NEWS LIST FLOW ============ */
        .news-list-section {
            padding: var(--spacing-xl) 0;
        }

        .news-filter {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .news-filter .filter-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text-dark);
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition);
        }

        .filter-tag:hover {
            border-color: var(--color-cta);
            color: var(--color-cta);
        }

        .filter-tag.active {
            background: var(--color-cta);
            color: var(--color-white);
            border-color: var(--color-cta);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 1.5rem;
            padding: 1.8rem 0;
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition);
            position: relative;
        }

        .news-item:hover {
            background: #FAF9F6;
        }

        .news-date {
            flex-shrink: 0;
            width: 72px;
            text-align: center;
            background: var(--color-bg-alt);
            border-radius: var(--radius-sm);
            padding: 0.6rem 0.4rem;
            line-height: 1.3;
        }

        .news-date .day {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-cta);
            display: block;
        }

        .news-date .month {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: block;
        }

        .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-body .news-tags {
            display: flex;
            gap: 0.4rem;
            flex-wrap: wrap;
            margin-bottom: 0.4rem;
        }

        .news-tags .tag {
            display: inline-block;
            padding: 0.15rem 0.6rem;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 600;
            background: #E8F5EE;
            color: var(--color-accent);
        }

        .news-tags .tag.tag-cta {
            background: #FFF0E9;
            color: var(--color-cta);
        }

        .news-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 0.4rem;
        }

        .news-body h3 a {
            color: var(--color-text-dark);
        }

        .news-body h3 a:hover {
            color: var(--color-cta);
        }

        .news-body p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 0.6rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-cta);
            transition: gap var(--transition), color var(--transition);
        }

        .read-more i {
            font-size: 0.75rem;
            transition: transform var(--transition);
        }

        .read-more:hover {
            color: var(--color-cta-dark);
            gap: 0.55rem;
        }

        .read-more:hover i {
            transform: translateX(4px);
        }

        .read-more:focus {
            outline: 1px solid var(--color-cta);
            outline-offset: 3px;
        }

        /* ============ DEEP CONTENT ============ */
        .deep-content {
            padding: var(--spacing-xl) 0;
            background: var(--color-white);
        }

        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .deep-content-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.4;
            margin-bottom: 1.2rem;
        }

        .deep-content-text h2 span {
            color: var(--color-cta);
        }

        .deep-content-text p {
            font-size: 1.02rem;
            color: var(--color-text);
            line-height: 1.9;
            margin-bottom: 1.2rem;
        }

        .deep-content-text .highlight-text {
            border-left: 4px solid var(--color-cta);
            padding-left: 1.2rem;
            font-weight: 600;
            color: var(--color-text-dark);
            font-size: 1.1rem;
        }

        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .deep-content-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        /* ============ RELATED RECOMMEND ============ */
        .related-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-bg-alt);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .related-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--color-cta);
        }

        .related-card .related-img {
            height: 180px;
            overflow: hidden;
        }

        .related-card .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .related-card:hover .related-img img {
            transform: scale(1.04);
        }

        .related-card .related-body {
            padding: 1.2rem 1.5rem 1.5rem;
        }

        .related-card .related-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }

        .related-card .related-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-white);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            background: var(--color-bg-card);
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item:hover {
            border-color: #D0CCC6;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--color-text-dark);
            font-size: 1rem;
            gap: 1rem;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--color-cta);
        }

        .faq-question i {
            color: var(--color-cta);
            font-size: 0.85rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.2rem;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-primary);
            color: var(--color-white);
            background-image: linear-gradient(135deg, #1A1D20 0%, #2B2E33 70%);
        }

        .cta-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2.5rem;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 0.6rem;
        }

        .cta-text h2 span {
            color: var(--color-cta);
        }

        .cta-text p {
            color: rgba(255,255,255,0.75);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 480px;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.8);
            padding: var(--spacing-xl) 0 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1rem;
        }

        .footer-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-cta);
            font-size: 1rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.65);
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,0.65);
            font-size: 0.88rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .footer-col ul li a:hover {
            color: var(--color-cta);
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.65);
            margin-bottom: 0.6rem;
        }

        .footer-contact i {
            color: var(--color-cta);
            font-size: 0.85rem;
        }

        .footer-bottom {
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.5);
        }

        .footer-bottom p {
            margin-bottom: 0.4rem;
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-cta);
        }

        /* ============ RESPONSIVE ============ */
        @media screen and (max-width: 1024px) {
            .main-nav {
                gap: 0.1rem;
            }
            .main-nav a {
                padding: 0.4rem 0.5rem;
                font-size: 0.85rem;
            }
            .search-box input {
                width: 90px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 768px) {
            .site-header .container {
                flex-wrap: wrap;
                gap: 0.6rem;
                padding: 0.6rem 1rem;
                min-height: auto;
            }
            .site-logo {
                font-size: 1.2rem;
            }
            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .header-actions {
                margin-left: auto;
            }
            .search-box {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--color-white);
                border-top: 1px solid var(--color-border);
                padding: 0.5rem 0;
                gap: 0;
                overflow-y: auto;
                max-height: 300px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.65rem 1rem;
                border-radius: 0;
                font-size: 0.95rem;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: #FFF4EE;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .category-hero p {
                font-size: 0.95rem;
            }
            .news-item {
                flex-direction: column;
                gap: 0.6rem;
                padding: 1.2rem 0;
            }
            .news-date {
                width: auto;
                flex-direction: row;
                display: flex;
                align-items: baseline;
                gap: 0.5rem;
                padding: 0.25rem 0.6rem;
            }
            .news-date .day {
                font-size: 1.1rem;
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .deep-content-image img {
                height: 240px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .cta-wrapper {
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: span 2;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .section {
                padding: 3rem 0;
            }
            .category-hero {
                padding: 2rem 0;
            }
            .category-hero h1 {
                font-size: 1.4rem;
            }
            .hero-meta {
                gap: 0.6rem;
                font-size: 0.8rem;
            }
            .news-filter {
                gap: 0.3rem;
            }
            .filter-tag {
                padding: 0.25rem 0.7rem;
                font-size: 0.78rem;
            }
            .btn {
                padding: 0.55rem 1.2rem;
                font-size: 0.88rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .footer-brand {
                grid-column: auto;
            }
            .deep-content-text h2 {
                font-size: 1.4rem;
            }
            .deep-content-text p {
                font-size: 0.92rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1A1D20;
            --color-primary-light: #2B2E33;
            --color-primary-mid: #3A3E44;
            --color-accent: #2D8C4C;
            --color-accent-dark: #247340;
            --color-cta: #E85D26;
            --color-cta-dark: #CC4F1F;
            --color-bg: #F7F5F2;
            --color-bg-alt: #F0EFEB;
            --color-bg-card: #FFFFFF;
            --color-text: #3D3F42;
            --color-text-light: #6B6E72;
            --color-text-dark: #2A2C2F;
            --color-border: #E3E1DC;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --spacing-2xl: 7rem;
            --font-base: 16px;
            --font-lg: 18px;
            --line-height-base: 1.85;
            --transition: 0.25s ease;
        }

        html {
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--color-primary);
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--color-cta);
        }

        button, input, textarea, select {
            font-family: inherit;
            font-size: 1rem;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section {
            padding: var(--spacing-xl) 0;
        }

        .section-tight {
            padding: var(--spacing-lg) 0;
        }

        .section-bg-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .section-bg-alt {
            background: var(--color-bg-alt);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .text-center {
            text-align: center;
        }

        .text-accent {
            color: var(--color-cta);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            min-height: 68px;
            flex-wrap: nowrap;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-cta);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--color-primary);
        }

        .site-logo .logo-text span {
            color: var(--color-cta);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--color-text);
            padding: 0.5rem 0.65rem;
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--color-cta);
            background: #FAF7F2;
        }

        .main-nav a.active {
            color: var(--color-cta);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0.65rem;
            right: 0.65rem;
            height: 2px;
            background: var(--color-cta);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--color-bg-alt);
            border-radius: 50px;
            padding: 0.45rem 0.85rem;
            border: 1px solid transparent;
            transition: background var(--transition), border var(--transition), box-shadow var(--transition);
        }

        .search-box:focus-within {
            background: var(--color-white);
            border-color: var(--color-cta);
            box-shadow: 0 0 0 3px rgba(232,93,38,0.12);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.88rem;
            width: 130px;
            color: var(--color-text);
        }

        .search-box input::placeholder {
            color: var(--color-text-light);
            font-size: 0.82rem;
        }

        .search-box i {
            color: var(--color-text-light);
            font-size: 0.85rem;
            margin-left: 0.3rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 0.6rem 1.3rem;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--color-cta);
            color: var(--color-white);
        }

        .btn-primary:hover {
            background: var(--color-cta-dark);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(232,93,38,0.35);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-secondary:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(26,29,32,0.3);
            outline-offset: 2px;
        }

        .btn-outline-light {
            background: transparent;
            color: var(--color-white);
            border-color: rgba(255,255,255,0.5);
        }

        .btn-outline-light:hover {
            background: var(--color-white);
            color: var(--color-primary);
        }

        /* ============ NAV TOGGLE ============ */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 0.5rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: var(--color-bg-alt);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle span:nth-child(2) {
            width: 18px;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.3rem;
            padding: 1.2rem 0 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        .breadcrumb a {
            color: var(--color-text-light);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--color-cta);
        }

        .breadcrumb .separator {
            margin: 0 0.2rem;
            color: var(--color-border);
        }

        .breadcrumb .current {
            color: var(--color-cta);
            font-weight: 600;
        }

        /* ============ CATEGORY HERO ============ */
        .category-hero {
            background: var(--color-primary);
            color: var(--color-white);
            padding: 3.5rem 0 3rem;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26,29,32,0.95) 0%, rgba(43,46,51,0.88) 55%, rgba(232,93,38,0.18) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 0.9rem;
            line-height: 1.3;
        }

        .category-hero h1 span {
            color: var(--color-cta);
        }

        .category-hero .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.78);
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        /* ============ TRAINING CARDS ============ */
        .training-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .training-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            display: flex;
            gap: 1.8rem;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .training-card:hover {
            border-color: var(--color-cta);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .training-card .card-index {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-border);
            min-width: 48px;
            text-align: center;
            line-height: 1;
            transition: color var(--transition);
        }

        .training-card:hover .card-index {
            color: var(--color-cta);
        }

        .training-card .card-content {
            flex: 1;
        }

        .training-card .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(45,140,76,0.1);
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            margin-bottom: 0.6rem;
        }

        .training-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .training-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .training-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-cta);
            margin-top: 0.9rem;
            transition: all var(--transition);
        }

        .training-card .card-link i {
            font-size: 0.8rem;
            transition: transform var(--transition);
        }

        .training-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ============ DEEP CONTENT AREA ============ */
        .deep-content {
            padding: 2.5rem 0;
        }

        .deep-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1.5rem;
            line-height: 1.4;
        }

        .deep-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-text-dark);
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }

        .deep-content p {
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.9;
            margin-bottom: 1.2rem;
        }

        .deep-content .highlight-box {
            background: var(--color-bg-alt);
            border-left: 4px solid var(--color-cta);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 1.5rem 1.8rem;
            margin: 1.5rem 0;
        }

        .deep-content .highlight-box p:last-child {
            margin-bottom: 0;
        }

        /* ============ RELATED RECOMMENDATIONS ============ */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .related-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .related-card:hover {
            border-color: var(--color-cta);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card .related-body {
            padding: 1.2rem 1.5rem 1.5rem;
        }

        .related-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .related-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin-bottom: 0.8rem;
            line-height: 1.6;
        }

        .related-card .related-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-cta);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        /* ============ STATS BAR ============ */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin: 2rem 0;
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
        }

        .stat-item .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-cta);
            display: block;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-top: 0.3rem;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-cta);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.2rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text-dark);
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--color-cta);
        }

        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: transform var(--transition), color var(--transition);
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-cta);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.3rem;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ============ CTA FORM ============ */
        .cta-section {
            background: var(--color-primary);
            color: var(--color-white);
            padding: var(--spacing-xl) 0;
        }

        .cta-section .section-title {
            color: var(--color-white);
        }

        .cta-section .section-subtitle {
            color: rgba(255,255,255,0.7);
        }

        .cta-form {
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-form .form-group {
            margin-bottom: 1.2rem;
        }

        .cta-form label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: rgba(255,255,255,0.85);
        }

        .cta-form input,
        .cta-form textarea {
            width: 100%;
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-sm);
            padding: 0.75rem 1rem;
            background: rgba(255,255,255,0.08);
            color: var(--color-white);
            outline: none;
            transition: all var(--transition);
            font-size: 0.95rem;
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255,255,255,0.45);
        }

        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--color-cta);
            background: rgba(255,255,255,0.12);
            box-shadow: 0 0 0 3px rgba(232,93,38,0.25);
        }

        .cta-form textarea {
            min-height: 110px;
            resize: vertical;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.7);
            padding: 3.5rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2rem;
            padding-bottom: 2.5rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 1rem;
            color: rgba(255,255,255,0.65);
            max-width: 280px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-white);
        }

        .footer-logo:hover {
            color: var(--color-white);
        }

        .footer-logo .logo-text span {
            color: var(--color-cta);
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1.2rem;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,0.65);
            font-size: 0.88rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--color-cta);
        }

        .footer-contact p {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.65);
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-contact i {
            color: var(--color-cta);
            font-size: 0.85rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 1.2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.5);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.55);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-cta);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            
            .footer-brand {
                grid-column: 1 / -1;
            }
            
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: wrap;
                gap: 0.75rem;
                padding-top: 0.6rem;
                padding-bottom: 0.6rem;
                min-height: auto;
            }
            
            .site-logo {
                font-size: 1.2rem;
            }
            
            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            
            .nav-toggle {
                display: flex;
            }
            
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--color-white);
                border-radius: var(--radius-md);
                padding: 0.8rem;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--color-border);
            }
            
            .main-nav.open {
                display: flex;
            }
            
            .main-nav a {
                width: 100%;
                padding: 0.7rem 0.8rem;
                justify-content: flex-start;
            }
            
            .main-nav a.active::after {
                display: none;
            }
            
            .header-actions {
                flex: 1;
                justify-content: flex-end;
            }
            
            .search-box input {
                width: 80px;
            }
            
            .category-hero {
                padding: 2.5rem 0 2rem;
            }
            
            .category-hero h1 {
                font-size: 1.8rem;
            }
            
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            
            .training-card {
                flex-direction: column;
                gap: 0.8rem;
                padding: 1.3rem;
            }
            
            .training-card .card-index {
                font-size: 1.8rem;
                min-width: auto;
                text-align: left;
            }
            
            .section {
                padding: var(--spacing-lg) 0;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .deep-content h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
            
            .header-actions .search-box {
                display: none;
            }
            
            .header-actions .btn-primary {
                padding: 0.5rem 0.9rem;
                font-size: 0.8rem;
            }
            
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            
            .stat-item {
                padding: 1rem 0.6rem;
            }
            
            .stat-item .stat-number {
                font-size: 1.5rem;
            }
            
            .related-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
            
            .cta-form {
                padding: 0 0.5rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1A1D20;
            --color-primary-light: #2B2E33;
            --color-primary-mid: #3A3E44;
            --color-accent: #2D8C4C;
            --color-accent-dark: #247340;
            --color-cta: #E85D26;
            --color-cta-dark: #CC4F1F;
            --color-bg: #F7F5F2;
            --color-bg-alt: #F0EFEB;
            --color-bg-card: #FFFFFF;
            --color-text: #3D3F42;
            --color-text-light: #6B6E72;
            --color-text-dark: #2A2C2F;
            --color-border: #E3E1DC;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --spacing-2xl: 7rem;
            --font-base: 16px;
            --font-lg: 18px;
            --line-height-base: 1.85;
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--color-primary);
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--color-cta);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section {
            padding: var(--spacing-xl) 0;
        }

        .section-tight {
            padding: var(--spacing-lg) 0;
        }

        .section-bg-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .section-bg-alt {
            background: var(--color-bg-alt);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .text-center {
            text-align: center;
        }

        .text-accent {
            color: var(--color-cta);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            min-height: 68px;
            flex-wrap: nowrap;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-cta);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--color-primary);
        }

        .site-logo .logo-text span {
            color: var(--color-cta);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--color-text);
            padding: 0.5rem 0.65rem;
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--color-cta);
            background: #FAF7F2;
        }

        .main-nav a.active {
            color: var(--color-cta);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0.65rem;
            right: 0.65rem;
            bottom: -1px;
            height: 2px;
            background: var(--color-cta);
            border-radius: 1px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: #F5F3F0;
            border: 1px solid transparent;
            border-radius: 20px;
            padding: 0.4rem 0.9rem;
            gap: 0.5rem;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
        }

        .search-box:focus-within {
            background: var(--color-white);
            border-color: var(--color-cta);
            box-shadow: 0 0 0 3px rgba(232, 93, 38, 0.15);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 130px;
        }

        .search-box input::placeholder {
            color: var(--color-text-light);
        }

        .search-box i {
            color: var(--color-text-light);
            font-size: 0.85rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-cta);
            color: var(--color-white);
        }

        .btn-primary:hover {
            background: var(--color-cta-dark);
            color: var(--color-white);
            opacity: 0.92;
        }

        .btn-primary:active {
            transform: translateY(2px);
        }

        .btn-primary:focus {
            outline: 2px solid var(--color-cta);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .btn-outline:focus {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 0.5rem;
            border-radius: var(--radius-sm);
            background: transparent;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: all 0.3s ease;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-wrapper {
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: 0.75rem 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-light);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: var(--color-cta);
        }

        .breadcrumb .separator {
            color: var(--color-border);
        }

        .breadcrumb .current {
            color: var(--color-cta);
            font-weight: 600;
        }

        /* ============ CATEGORY HERO ============ */
        .category-hero {
            position: relative;
            background: var(--color-primary);
            color: var(--color-white);
            padding: 3.5rem 0;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,29,32,0.92) 0%, rgba(45,140,76,0.45) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .category-hero h1 .highlight {
            color: var(--color-cta);
        }

        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 1.5rem;
            max-width: 680px;
            line-height: 1.8;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .category-hero .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.5);
            color: var(--color-white);
        }

        .category-hero .btn-outline-light:hover {
            background: var(--color-white);
            color: var(--color-primary);
            border-color: var(--color-white);
        }

        /* ============ INTRO STRIP ============ */
        .intro-strip {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding: 1.5rem 0;
        }

        .intro-strip .container {
            display: flex;
            align-items: center;
            gap: 2rem;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .intro-strip .stat-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .intro-strip .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-cta);
            line-height: 1;
        }

        .intro-strip .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
        }

        /* ============ VENUE LIST ============ */
        .venue-list-section {
            background: var(--color-bg);
        }

        .venue-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-top: 2rem;
        }

        .venue-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }

        .venue-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-cta);
            transform: translateY(-3px);
        }

        .venue-card .venue-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .venue-card .venue-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .venue-card:hover .venue-img img {
            transform: scale(1.05);
        }

        .venue-card .venue-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--color-cta);
            color: var(--color-white);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
        }

        .venue-card .venue-body {
            padding: 1.5rem;
        }

        .venue-card .venue-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .venue-card .venue-body .venue-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 0.75rem;
        }

        .venue-card .venue-body .venue-tags .tag {
            font-size: 0.75rem;
            font-weight: 500;
            background: #F0F5F1;
            color: var(--color-accent);
            padding: 0.25rem 0.6rem;
            border-radius: 14px;
            border: 1px solid rgba(45,140,76,0.2);
        }

        .venue-card .venue-body p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 1rem;
        }

        .venue-card .venue-body .venue-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            border-top: 1px solid var(--color-border);
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        .venue-card .venue-body .venue-meta .price {
            font-weight: 700;
            color: var(--color-cta);
            font-size: 1.1rem;
        }

        .venue-card .venue-body .btn-link {
            color: var(--color-cta);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap 0.3s ease;
        }

        .venue-card .venue-body .btn-link:hover {
            gap: 0.6rem;
            color: var(--color-cta-dark);
        }

        /* ============ DEEP CONTENT ============ */
        .deep-content-section {
            background: var(--color-bg-alt);
        }

        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-bottom: 3rem;
        }

        .deep-content-block:last-child {
            margin-bottom: 0;
        }

        .deep-content-block .deep-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .deep-content-block .deep-text p {
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.9;
            margin-bottom: 0.75rem;
        }

        .deep-content-block .deep-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .deep-content-block .deep-img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        /* ============ RECOMMEND ============ */
        .recommend-section {
            background: var(--color-white);
        }

        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .recommend-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .recommend-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }

        .recommend-card .recommend-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: #F0F5F1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 1rem;
        }

        .recommend-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
        }

        .recommend-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 1rem;
        }

        .recommend-card .btn-link {
            color: var(--color-cta);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .recommend-card .btn-link:hover {
            gap: 0.6rem;
            color: var(--color-cta-dark);
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--color-text-dark);
            font-size: 1rem;
            transition: color var(--transition);
            gap: 1rem;
        }

        .faq-question:hover {
            color: var(--color-cta);
        }

        .faq-question .faq-arrow {
            color: var(--color-cta);
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.25rem;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--color-primary);
            color: var(--color-white);
            padding: 3.5rem 0;
        }

        .cta-section .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .cta-section .cta-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1rem;
        }

        .cta-section .cta-text p {
            color: rgba(255,255,255,0.85);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .cta-form {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 2rem;
            color: var(--color-text);
        }

        .cta-form h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1.25rem;
        }

        .form-group {
            margin-bottom: 1rem;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-dark);
            margin-bottom: 0.4rem;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1rem;
            font-size: 0.95rem;
            color: var(--color-text);
            background: #FAF9F7;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
            outline: none;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-cta);
            background: var(--color-white);
            box-shadow: 0 0 0 3px rgba(232, 93, 38, 0.12);
        }

        .form-group textarea {
            min-height: 90px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.8);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-brand .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-cta);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--color-white);
        }

        .footer-brand .footer-logo span {
            color: var(--color-cta);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--color-cta);
        }

        .footer-col.footer-contact p {
            font-size: 0.9rem;
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-col.footer-contact i {
            color: var(--color-cta);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.7);
        }

        .footer-bottom a:hover {
            color: var(--color-cta);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .header-actions .search-box {
                display: none;
            }

            .venue-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .deep-content-block .deep-img img {
                height: 240px;
            }

            .recommend-grid {
                grid-template-columns: 1fr 1fr;
            }

            .cta-section .container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--color-white);
                border-bottom: 1px solid var(--color-border);
                padding: 1rem 1.5rem;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.25rem;
                box-shadow: var(--shadow-md);
            }

            .main-nav.open {
                display: flex;
            }

            .header-actions .btn-primary {
                display: none;
            }

            .header-actions .search-box {
                display: none;
            }

            .site-header .container {
                gap: 0.75rem;
            }

            .category-hero {
                padding: 2.5rem 0;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .category-hero .hero-subtitle {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
                align-items: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .recommend-grid {
                grid-template-columns: 1fr;
            }

            .venue-card .venue-img {
                height: 180px;
            }

            .category-hero h1 {
                font-size: 1.5rem;
            }

            .category-hero .hero-actions {
                flex-direction: column;
                gap: 0.5rem;
            }

            .intro-strip .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }

            .breadcrumb {
                font-size: 0.8rem;
            }
        }

/* roulang page: category6 */
:root {
        --color-primary: #1A1D20;
        --color-primary-light: #2B2E33;
        --color-primary-mid: #3A3E44;
        --color-accent: #2D8C4C;
        --color-accent-dark: #247340;
        --color-cta: #E85D26;
        --color-cta-dark: #CC4F1F;
        --color-bg: #F7F5F2;
        --color-bg-alt: #F0EFEB;
        --color-bg-card: #FFFFFF;
        --color-text: #3D3F42;
        --color-text-light: #6B6E72;
        --color-text-dark: #2A2C2F;
        --color-border: #E3E1DC;
        --color-white: #FFFFFF;
        --radius-sm: 6px;
        --radius-md: 10px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
        --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
        --spacing-xs: 0.5rem;
        --spacing-sm: 1rem;
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 5rem;
        --spacing-2xl: 7rem;
        --font-base: 16px;
        --font-lg: 18px;
        --line-height-base: 1.85;
        --transition: 0.25s ease;
    }

    html {
        font-size: var(--font-base);
        line-height: var(--line-height-base);
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        color: var(--color-text);
        background: var(--color-bg);
        font-size: var(--font-base);
        line-height: var(--line-height-base);
        min-height: 100vh;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
        padding: 0;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        text-decoration: none;
        color: var(--color-primary);
        transition: color var(--transition), opacity var(--transition);
    }

    a:hover {
        color: var(--color-cta);
    }

    button,
    input,
    textarea,
    select {
        font-family: inherit;
        font-size: 1rem;
        line-height: inherit;
    }

    button {
        cursor: pointer;
        border: none;
        background: none;
        padding: 0;
    }

    h1, h2, h3, h4, h5, h6 {
        margin-top: 0;
        color: var(--color-text-dark);
        line-height: 1.4;
        font-weight: 700;
    }

    p {
        margin-top: 0;
    }

    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    .section-tight {
        padding: var(--spacing-lg) 0;
    }

    .section-bg-dark {
        background: var(--color-primary);
        color: var(--color-white);
    }

    .section-bg-alt {
        background: var(--color-bg-alt);
    }

    .section-title {
        font-size: 2rem;
        font-weight: 700;
        color: var(--color-text-dark);
        margin-bottom: 1rem;
        line-height: 1.35;
    }

    .section-subtitle {
        font-size: 1.1rem;
        color: var(--color-text-light);
        margin-bottom: 2.5rem;
        line-height: 1.7;
    }

    .text-center { text-align: center; }
    .text-accent { color: var(--color-cta); }

    /* ============ HEADER / NAV ============ */
    .site-header {
        background: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 1px 6px rgba(0,0,0,0.04);
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1.5rem;
        min-height: 68px;
        flex-wrap: nowrap;
    }

    .site-logo {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-weight: 700;
        font-size: 1.4rem;
        color: var(--color-primary);
        white-space: nowrap;
        flex-shrink: 0;
    }

    .site-logo .logo-icon {
        width: 38px;
        height: 38px;
        border-radius: var(--radius-md);
        background: var(--color-primary);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--color-cta);
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .site-logo:hover { color: var(--color-primary); }
    .site-logo .logo-text span { color: var(--color-cta); }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 0.25rem;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .main-nav::-webkit-scrollbar { display: none; }

    .main-nav a {
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        font-size: 0.92rem;
        font-weight: 600;
        color: var(--color-text);
        padding: 0.5rem 0.65rem;
        border-radius: var(--radius-sm);
        position: relative;
        white-space: nowrap;
        transition: color var(--transition), background var(--transition);
    }

    .main-nav a:hover {
        color: var(--color-cta);
        background: #FAF7F2;
    }

    .main-nav a.active { color: var(--color-cta); }

    .main-nav a.active::after {
        content: '';
        position: absolute;
        left: 0.65rem;
        right: 0.65rem;
        bottom: 2px;
        height: 2px;
        background: var(--color-cta);
        border-radius: 1px;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 0.8rem;
        flex-shrink: 0;
    }

    .search-box {
        display: flex;
        align-items: center;
        background: var(--color-bg);
        border-radius: 20px;
        padding: 0.4rem 1rem;
        gap: 0.5rem;
        border: 1px solid transparent;
        transition: border-color var(--transition), background var(--transition);
    }

    .search-box:focus-within {
        border-color: var(--color-cta);
        background: var(--color-white);
    }

    .search-box input {
        border: none;
        background: transparent;
        outline: none;
        font-size: 0.9rem;
        width: 140px;
        color: var(--color-text);
    }

    .search-box i {
        color: var(--color-text-light);
        font-size: 0.9rem;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        font-weight: 600;
        font-size: 0.95rem;
        padding: 0.7rem 1.5rem;
        border-radius: var(--radius-sm);
        transition: all var(--transition);
        border: 2px solid transparent;
        white-space: nowrap;
        line-height: 1.2;
    }

    .btn-primary {
        background: var(--color-cta);
        color: var(--color-white);
        border-color: var(--color-cta);
    }

    .btn-primary:hover {
        background: var(--color-cta-dark);
        border-color: var(--color-cta-dark);
        color: var(--color-white);
        box-shadow: 0 4px 14px rgba(232,93,38,0.3);
    }

    .btn-primary:active { transform: translateY(2px); }
    .btn-primary:focus { outline: 2px solid var(--color-cta); outline-offset: 2px; }

    .btn-outline {
        background: transparent;
        color: var(--color-primary);
        border-color: var(--color-primary);
    }

    .btn-outline:hover {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
    }

    .btn-outline:active { transform: translateY(2px); }
    .btn-outline:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }

    .btn-sm {
        padding: 0.5rem 1.1rem;
        font-size: 0.85rem;
    }

    /* Nav toggle for mobile */
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 4px;
        padding: 0.5rem;
        cursor: pointer;
        flex-shrink: 0;
    }

    .nav-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--color-primary);
        border-radius: 2px;
        transition: all var(--transition);
    }

    .nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

    /* ============ BREADCRUMB ============ */
    .breadcrumb-bar {
        background: var(--color-bg-alt);
        padding: 0.9rem 0;
        border-bottom: 1px solid var(--color-border);
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.9rem;
        color: var(--color-text-light);
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .breadcrumb li { display: flex; align-items: center; gap: 0.5rem; }
    .breadcrumb li:not(:last-child)::after { content: '/'; color: var(--color-text-light); margin-left: 0.2rem; }
    .breadcrumb a { color: var(--color-text); font-weight: 500; }
    .breadcrumb a:hover { color: var(--color-cta); }
    .breadcrumb .current { color: var(--color-cta); font-weight: 600; }

    /* ============ PAGE HERO ============ */
    .page-hero {
        background: linear-gradient(135deg, #1A1D20 0%, #2B2E33 100%);
        padding: var(--spacing-lg) 0;
        color: var(--color-white);
        position: relative;
        overflow: hidden;
    }

    .page-hero::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 100%;
        height: 100%;
        background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        opacity: 0.18;
        z-index: 0;
    }

    .page-hero .container {
        position: relative;
        z-index: 1;
    }

    .page-hero h1 {
        color: var(--color-white);
        font-size: 2.2rem;
        margin-bottom: 0.8rem;
        font-weight: 700;
    }

    .page-hero p {
        color: rgba(255,255,255,0.8);
        font-size: 1.05rem;
        max-width: 700px;
        margin-bottom: 1.5rem;
        line-height: 1.7;
    }

    .page-hero .hero-actions {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .page-hero .btn-outline {
        border-color: rgba(255,255,255,0.5);
        color: var(--color-white);
    }

    .page-hero .btn-outline:hover {
        background: var(--color-white);
        color: var(--color-primary);
        border-color: var(--color-white);
    }

    /* ============ LARGE LIST ============ */
    .large-list {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .large-list-item {
        display: grid;
        grid-template-columns: 280px 1fr;
        gap: 1.5rem;
        background: var(--color-bg-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: all var(--transition);
        box-shadow: var(--shadow-sm);
    }

    .large-list-item:hover {
        box-shadow: var(--shadow-md);
        border-color: var(--color-cta);
        transform: translateY(-2px);
    }

    .large-list-item .item-image {
        min-height: 200px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        position: relative;
    }

    .large-list-item .item-image::before {
        content: '';
        position: absolute;
        top: 1rem;
        left: 1rem;
        background: var(--color-cta);
        color: var(--color-white);
        padding: 0.25rem 0.8rem;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 600;
        z-index: 2;
    }

    .large-list-item .item-image.tag-recruiting::before { content: '招募中'; }
    .large-list-item .item-image.tag-activity::before { content: '线下活动'; }
    .large-list-item .item-image.tag-topic::before { content: '热门话题'; }
    .large-list-item .item-image.tag-team::before { content: '球队动态'; }

    .large-list-item .item-body {
        padding: 1.5rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .large-list-item .item-body h3 {
        font-size: 1.3rem;
        margin-bottom: 0.7rem;
        font-weight: 700;
    }

    .large-list-item .item-body p {
        color: var(--color-text-light);
        margin-bottom: 1rem;
        font-size: 0.95rem;
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .large-list-item .item-meta {
        display: flex;
        gap: 1rem;
        font-size: 0.8rem;
        color: var(--color-text-light);
    }

    .large-list-item .item-meta span {
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
    }

    .large-list-item .item-meta i { color: var(--color-cta); }

    .item-link {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--color-cta);
        margin-top: auto;
        transition: gap var(--transition), color var(--transition);
    }

    .item-link:hover { gap: 0.7rem; color: var(--color-cta-dark); }
    .item-link:focus { text-decoration: underline; }

    /* ============ THREE COLUMN CARDS ============ */
    .three-col-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .topic-card {
        background: var(--color-bg-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: all var(--transition);
        box-shadow: var(--shadow-sm);
        display: flex;
        flex-direction: column;
    }

    .topic-card:hover {
        box-shadow: var(--shadow-md);
        border-color: var(--color-cta);
        transform: translateY(-3px);
    }

    .topic-card .card-image {
        height: 180px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        position: relative;
    }

    .topic-card .card-badge {
        position: absolute;
        top: 0.9rem;
        left: 0.9rem;
        background: var(--color-accent);
        color: var(--color-white);
        padding: 0.2rem 0.7rem;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 600;
        z-index: 2;
    }

    .topic-card .card-body {
        padding: 1.2rem;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .topic-card .card-body h3 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
        font-weight: 700;
    }

    .topic-card .card-body p {
        color: var(--color-text-light);
        font-size: 0.9rem;
        margin-bottom: 1rem;
        line-height: 1.7;
        flex: 1;
    }

    /* ============ DEEP CONTENT ============ */
    .deep-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
        align-items: center;
    }

    .deep-content .content-text h2 {
        font-size: 1.7rem;
        margin-bottom: 1rem;
        font-weight: 700;
    }

    .deep-content .content-text p {
        color: var(--color-text);
        line-height: 1.9;
        margin-bottom: 1.2rem;
        font-size: 1.02rem;
    }

    .deep-content .content-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-md);
    }

    .deep-content .content-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .deep-content.alt {
        grid-template-columns: 1fr 1fr;
    }

    .deep-content.alt .content-image {
        order: -1;
    }

    /* ============ STATS SECTION ============ */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }

    .stat-card {
        background: rgba(255,255,255,0.05);
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: var(--radius-md);
        padding: 1.5rem;
        text-align: center;
        transition: all var(--transition);
    }

    .stat-card:hover {
        background: rgba(255,255,255,0.1);
        border-color: var(--color-cta);
    }

    .stat-card .stat-number {
        font-size: 2.4rem;
        font-weight: 700;
        color: var(--color-cta);
        margin-bottom: 0.3rem;
    }

    .stat-card .stat-label {
        font-size: 0.9rem;
        color: rgba(255,255,255,0.7);
    }

    /* ============ RELATED ============ */
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .related-item {
        background: var(--color-bg-card);
        border:1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 1rem;
        transition: all var(--transition);
        box-shadow: var(--shadow-sm);
    }

    .related-item:hover {
        box-shadow: var(--shadow-md);
        border-color: var(--color-cta);
        transform: translateY(-2px);
    }

    .related-item h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
        font-weight: 700;
    }

    .related-item p {
        font-size: 0.85rem;
        color: var(--color-text-light);
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* ============ FAQ ============ */
    .faq-list {
        max-width: 850px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .faq-item {
        background: var(--color-bg-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: all var(--transition);
    }

    .faq-item:hover {
        border-color: var(--color-cta);
    }

    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        padding: 1.2rem 1.5rem;
        font-weight: 600;
        font-size: 1rem;
        color: var(--color-text-dark);
        text-align: left;
        cursor: pointer;
        transition: all var(--transition);
        background: transparent;
    }

    .faq-question:hover {
        color: var(--color-cta);
    }

    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--color-bg-alt);
        color: var(--color-cta);
        transition: all var(--transition);
        font-size: 0.8rem;
    }

    .faq-question.open .faq-icon {
        transform: rotate(180deg);
        background: var(--color-cta);
        color: var(--color-white);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
        padding: 0 1.5rem;
    }

    .faq-answer.open {
        max-height: 300px;
        padding: 0 1.5rem 1.2rem;
    }

    .faq-answer p {
        color: var(--color-text-light);
        font-size: 0.95rem;
        line-height: 1.8;
        margin-bottom: 0;
    }

    /* ============ CTA FORM ============ */
    .cta-section {
        background: linear-gradient(135deg, #1A1D20 0%, #2B2E33 100%);
        color: var(--color-white);
        padding: var(--spacing-xl) 0;
    }

    .cta-section h2 {
        color: var(--color-white);
        font-size: 2rem;
        margin-bottom: 0.8rem;
        font-weight: 700;
    }

    .cta-section .section-subtitle {
        color: rgba(255,255,255,0.75);
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }

    .cta-form {
        max-width: 640px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
        text-align: left;
    }

    .cta-form .form-group {
        display: flex;
        flex-direction: column;
        gap: 0.4rem;
    }

    .cta-form .form-group.full-width {
        grid-column: 1 / -1;
    }

    .cta-form label {
        font-size: 0.9rem;
        font-weight: 500;
        color: rgba(255,255,255,0.85);
    }

    .cta-form input,
    .cta-form textarea {
        padding: 0.7rem 1rem;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(255,255,255,0.25);
        background: rgba(255,255,255,0.08);
        color: var(--color-white);
        outline: none;
        transition: all var(--transition);
        font-size: 0.95rem;
    }

    .cta-form input::placeholder,
    .cta-form textarea::placeholder {
        color: rgba(255,255,255,0.4);
    }

    .cta-form input:focus,
    .cta-form textarea:focus {
        border-color: var(--color-cta);
        background: rgba(255,255,255,0.15);
        box-shadow: 0 0 0 2px rgba(232,93,38,0.3);
    }

    .cta-form textarea {
        resize: vertical;
        min-height: 100px;
    }

    .cta-form .btn-primary {
        grid-column: 1 / -1;
        justify-content: center;
        width: 100%;
        padding: 0.85rem;
        font-size: 1rem;
    }

    /* ============ FOOTER ============ */
    .site-footer {
        background: var(--color-primary);
        color: var(--color-white);
        padding: 3rem 0 1.5rem;
        font-size: 0.9rem;
    }

    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 2rem;
        margin-bottom: 2rem;
    }

    .footer-brand .footer-logo {
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        font-weight: 700;
        font-size: 1.3rem;
        color: var(--color-white);
        margin-bottom: 1rem;
    }

    .footer-brand .footer-logo .logo-icon {
        width: 34px;
        height: 34px;
        border-radius: var(--radius-sm);
        background: rgba(255,255,255,0.1);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--color-cta);
        font-size: 1rem;
    }

    .footer-brand p {
        color: rgba(255,255,255,0.65);
        line-height: 1.7;
        margin-bottom: 0;
    }

    .footer-col h5 {
        color: var(--color-white);
        font-size: 1rem;
        margin-bottom: 1rem;
        font-weight: 600;
    }

    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-col ul li {
        margin-bottom: 0.5rem;
    }

    .footer-col ul li a {
        color: rgba(255,255,255,0.7);
        transition: color var(--transition);
        font-size: 0.9rem;
    }

    .footer-col ul li a:hover {
        color: var(--color-cta);
    }

    .footer-contact p {
        color: rgba(255,255,255,0.7);
        margin-bottom: 0.5rem;
    }

    .footer-contact i {
        color: var(--color-cta);
        margin-right: 0.4rem;
        width: 16px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.15);
        padding-top: 1.5rem;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        font-size: 0.82rem;
        color: rgba(255,255,255,0.6);
    }

    .footer-bottom a {
        color: rgba(255,255,255,0.7);
    }

    .footer-bottom a:hover {
        color: var(--color-cta);
    }

    .footer-bottom p {
        margin-bottom: 0;
    }

    /* ============ RESPONSIVE ============ */
    @media (max-width: 1024px) {
        .main-nav {
            gap: 0.1rem;
        }

        .main-nav a {
            padding: 0.45rem 0.5rem;
            font-size: 0.85rem;
        }

        .search-box input {
            width: 100px;
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .deep-content {
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .deep-content.alt .content-image {
            order: 0;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        .site-header .container {
            gap: 0.8rem;
            flex-wrap: wrap;
            min-height: 56px;
            padding-top: 0.6rem;
            padding-bottom: 0.6rem;
        }

        .nav-toggle {
            display: flex;
        }

        .main-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            flex-direction: column;
            padding: 1rem 1.5rem;
            gap: 0.3rem;
            align-items: flex-start;
            overflow-x: visible;
        }

        .main-nav.open {
            display: flex;
        }

        .main-nav a {
            width: 100%;
            padding: 0.6rem 0.8rem;
            font-size: 0.95rem;
        }

        .header-actions {
            margin-left: auto;
        }

        .search-box {
            display: none;
        }

        .section {
            padding: var(--spacing-lg) 0;
        }

        .section-title {
            font-size: 1.6rem;
        }

        .large-list-item {
            grid-template-columns: 1fr;
        }

        .large-list-item .item-image {
            min-height: 180px;
        }

        .three-col-grid,
        .related-grid {
            grid-template-columns: 1fr;
        }

        .cta-form {
            grid-template-columns: 1fr;
        }

        .cta-section h2 {
            font-size: 1.6rem;
        }

        .page-hero h1 {
            font-size: 1.7rem;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 1rem;
        }

        .site-logo {
            font-size: 1.2rem;
        }

        .site-logo .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 1rem;
        }

        .btn {
            padding: 0.6rem 1.1rem;
            font-size: 0.85rem;
        }

        .page-hero {
            padding: var(--spacing-md) 0;
        }

        .page-hero h1 {
            font-size: 1.5rem;
        }

        .large-list-item .item-body {
            padding: 1rem;
        }

        .large-list-item .item-body h3 {
            font-size: 1.15rem;
        }

        .stats-grid {
            grid-template-columns: 1fr;
        }

        .stat-card .stat-number {
            font-size: 1.8rem;
        }
    }

/* roulang page: category7 */
/* ============ 设计系统 ============ */
:root {
    --color-primary: #1A1D20;
    --color-primary-light: #2B2E33;
    --color-primary-mid: #3A3E44;
    --color-accent: #2D8C4C;
    --color-accent-dark: #247340;
    --color-cta: #E85D26;
    --color-cta-dark: #CC4F1F;
    --color-bg: #F7F5F2;
    --color-bg-alt: #F0EFEB;
    --color-bg-card: #FFFFFF;
    --color-text: #3D3F42;
    --color-text-light: #6B6E72;
    --color-text-dark: #2A2C2F;
    --color-border: #E3E1DC;
    --color-white: #FFFFFF;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --spacing-2xl: 7rem;
    --font-base: 16px;
    --font-lg: 18px;
    --line-height-base: 1.85;
    --transition: 0.25s ease;
}

/* ============ Reset/Base ============ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    font-size: var(--font-base);
    line-height: var(--line-height-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    font-size: var(--font-base);
    line-height: var(--line-height-base);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color var(--transition), opacity var(--transition);
}
a:hover {
    color: var(--color-cta);
}
button, input, textarea, select {
    font-family: inherit;
    font-size: 1rem;
    line-height: inherit;
}
button {
    cursor: pointer;
    border: none;
    background: none;
}
ul, ol {
    list-style: none;
}
h1, h2, h3, h4, h5, h6 {
    line-height: 1.4;
    font-weight: 700;
    color: var(--color-text-dark);
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.container-wide {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============ 板块间距 ============ */
.section {
    padding: var(--spacing-xl) 0;
}
.section-tight {
    padding: var(--spacing-lg) 0;
}
.section-bg-dark {
    background: var(--color-primary);
    color: var(--color-white);
}
.section-bg-alt {
    background: var(--color-bg-alt);
}
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 0.8rem;
    line-height: 1.35;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}
.text-center {
    text-align: center;
}
.text-accent {
    color: var(--color-cta);
}

/* ============ Header/Nav ============ */
.site-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 6px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 68px;
    flex-wrap: nowrap;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--color-primary);
    white-space: nowrap;
    flex-shrink: 0;
}
.site-logo .logo-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-cta);
    font-size: 1.2rem;
    flex-shrink: 0;
}
.site-logo:hover {
    color: var(--color-primary);
}
.site-logo .logo-text span {
    color: var(--color-cta);
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.main-nav::-webkit-scrollbar {
    display: none;
}
.main-nav a {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text);
    padding: 0.5rem 0.65rem;
    border-radius: var(--radius-sm);
    position: relative;
    white-space: nowrap;
    transition: color var(--transition), background var(--transition);
}
.main-nav a:hover {
    color: var(--color-cta);
    background: #FAF7F2;
}
.main-nav a.active {
    color: var(--color-cta);
}
.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: var(--color-cta);
    border-radius: 1px;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-shrink: 0;
}
.search-box {
    display: flex;
    align-items: center;
    background: #F0EFEB;
    border-radius: 20px;
    padding: 0.4rem 0.8rem;
    border: 1px solid transparent;
    transition: border-color var(--transition), background var(--transition);
}
.search-box:focus-within {
    background: var(--color-white);
    border-color: var(--color-cta);
}
.search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.85rem;
    width: 120px;
    color: var(--color-text);
}
.search-box input::placeholder {
    color: var(--color-text-light);
    font-size: 0.8rem;
}
.search-box i {
    color: var(--color-text-light);
    font-size: 0.8rem;
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.nav-toggle:hover {
    background: #FAF7F2;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
    transition: all var(--transition);
}

/* ============ 按钮 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}
.btn-primary {
    background: var(--color-cta);
    color: var(--color-white);
    border: 2px solid var(--color-cta);
}
.btn-primary:hover {
    background: var(--color-cta-dark);
    border-color: var(--color-cta-dark);
    color: var(--color-white);
}
.btn-primary:active {
    transform: translateY(2px);
}
.btn-primary:focus-visible {
    outline: 2px solid var(--color-cta);
    outline-offset: 2px;
}
.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}
.btn-secondary:active {
    transform: translateY(2px);
}
.btn-secondary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}
.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    color: var(--color-cta);
    font-size: 0.9rem;
    transition: gap var(--transition), color var(--transition);
}
.btn-link i {
    transition: transform var(--transition);
}
.btn-link:hover {
    color: var(--color-cta-dark);
}
.btn-link:hover i {
    transform: translateX(4px);
}
.btn-link:focus-visible {
    text-decoration: underline;
}
.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

/* ============ 面包屑 ============ */
.breadcrumb {
    padding: 1.2rem 0 0;
    font-size: 0.85rem;
    color: var(--color-text-light);
}
.breadcrumb a {
    color: var(--color-text-light);
    transition: color var(--transition);
}
.breadcrumb a:hover {
    color: var(--color-cta);
}
.breadcrumb .separator {
    margin: 0 0.4rem;
    color: #C5C2BC;
}
.breadcrumb .current {
    color: var(--color-text-dark);
    font-weight: 600;
}

/* ============ 分类Hero ============ */
.category-hero {
    background: var(--color-primary);
    background-image: linear-gradient(to bottom, rgba(26,29,32,0.92), rgba(26,29,32,0.85)), url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    padding: 3.5rem 0 3rem;
    position: relative;
}
.category-hero .hero-content {
    max-width: 700px;
}
.category-hero h1 {
    color: var(--color-white);
    font-size: 2.3rem;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}
.category-hero h1 span {
    color: var(--color-cta);
}
.category-hero p {
    font-size: 1.05rem;
    color: #D5D5D2;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}
.category-hero .hero-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: #B5B5B2;
}
.category-hero .hero-meta i {
    color: var(--color-cta);
    margin-right: 0.4rem;
}
.category-hero .hero-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.8rem;
    flex-wrap: wrap;
}

/* ============ 装备分类卡片网格 ============ */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.equip-cat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.8rem 1.2rem;
    text-align: center;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.equip-cat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.equip-cat-card:hover {
    border-color: var(--color-cta);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.equip-cat-card:hover::before {
    transform: scaleX(1);
}
.equip-cat-card .cat-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #F3F5F2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--color-accent);
    font-size: 1.4rem;
    transition: all var(--transition);
}
.equip-cat-card:hover .cat-icon {
    background: var(--color-accent);
    color: var(--color-white);
}
.equip-cat-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}
.equip-cat-card p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============ 精选装备推荐（左右图文交错） ============ */
.feature-item {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
}
.feature-item:last-child {
    margin-bottom: 0;
}
.feature-item.reversed {
    flex-direction: row-reverse;
}
.feature-item .feature-image {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.feature-item .feature-image img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.feature-item .feature-image:hover img {
    transform: scale(1.03);
}
.feature-item .feature-text {
    flex: 1;
}
.feature-item .feature-text .tag {
    display: inline-block;
    background: #EFF6F0;
    color: var(--color-accent-dark);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.7rem;
    border-radius: 20px;
    margin-bottom: 0.8rem;
}
.feature-item .feature-text h3 {
    font-size: 1.5rem;
    margin-bottom: 0.7rem;
}
.feature-item .feature-text p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 1.2rem;
}
.feature-item .feature-points {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}
.feature-item .feature-points span {
    font-size: 0.82rem;
    background: var(--color-bg-alt);
    color: var(--color-text);
    padding: 0.35rem 0.7rem;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}
.feature-item .feature-points span i {
    color: var(--color-accent);
    font-size: 0.7rem;
}

/* ============ 评测三列卡片 ============ */
.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.review-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.review-card:hover {
    border-color: var(--color-cta);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.review-card .review-img {
    height: 180px;
    overflow: hidden;
}
.review-card .review-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.review-card:hover .review-img img {
    transform: scale(1.05);
}
.review-card .review-body {
    padding: 1.2rem 1.4rem 1.4rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.review-card .review-tag {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-cta);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}
.review-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}
.review-card p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.65;
    margin-bottom: 1rem;
    flex: 1;
}
.review-card .review-score {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-text-light);
}
.review-card .review-score .score-num {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-cta);
}
.review-card .review-score .stars {
    color: #E8A020;
    font-size: 0.75rem;
}

/* ============ 深度内容区 ============ */
.deep-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--color-border);
    margin-bottom: 2rem;
}
.deep-content:last-child {
    margin-bottom: 0;
}
.deep-content h2 {
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: 0.8rem;
}
.deep-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--color-cta);
    border-radius: 2px;
}
.deep-content p {
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.85;
    margin-bottom: 1rem;
}
.deep-content p:last-child {
    margin-bottom: 0;
}
.deep-content .highlight-box {
    background: #FAF7F2;
    border-left: 4px solid var(--color-accent);
    padding: 1.2rem 1.5rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-top: 1rem;
}
.deep-content .highlight-box p {
    margin-bottom: 0;
    color: var(--color-text-dark);
    font-weight: 500;
}

/* ============ 保养步骤列表 ============ */
.steps-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    margin-top: 1.5rem;
}
.step-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.4rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: all var(--transition);
}
.step-item:hover {
    border-color: var(--color-cta);
    box-shadow: var(--shadow-sm);
}
.step-item .step-num {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-cta);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.step-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}
.step-item p {
    font-size: 0.82rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* ============ FAQ ============ */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}
.faq-accordion .accordion {
    list-style: none;
    margin: 0;
    padding: 0;
}
.faq-accordion .accordion-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 0.8rem;
    overflow: hidden;
    background: var(--color-white);
    transition: border-color var(--transition);
}
.faq-accordion .accordion-item:hover {
    border-color: #D0CEC8;
}
.faq-accordion .accordion-item.is-active {
    border-color: var(--color-cta);
}
.faq-accordion .accordion-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 1.4rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-dark);
    transition: color var(--transition);
}
.faq-accordion .accordion-title:hover {
    color: var(--color-cta);
}
.faq-accordion .accordion-title::after {
    content: '\f0d7';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--color-cta);
    font-size: 0.8rem;
    transition: transform var(--transition);
}
.faq-accordion .accordion-item.is-active .accordion-title::after {
    transform: rotate(180deg);
}
.faq-accordion .accordion-content {
    padding: 0 1.4rem 1.2rem;
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.7;
    display: none;
}
.faq-accordion .accordion-item.is-active .accordion-content {
    display: block;
}

/* ============ 相关推荐 ============ */
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
}
.related-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.4rem;
    text-align: center;
    transition: all var(--transition);
    display: block;
}
.related-card:hover {
    border-color: var(--color-cta);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    color: var(--color-primary);
}
.related-card .rel-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #F3F5F2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.8rem;
    color: var(--color-accent);
    font-size: 1.2rem;
}
.related-card h4 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
    color: var(--color-text-dark);
}
.related-card p {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin: 0;
}

/* ============ CTA表单 ============ */
.cta-form-section {
    background: var(--color-primary);
    padding: var(--spacing-xl) 0;
    color: var(--color-white);
}
.cta-form-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.cta-form-intro h2 {
    color: var(--color-white);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}
.cta-form-intro p {
    color: #C5C5C2;
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 1.5rem;
}
.cta-form-intro .cta-points li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: #D5D5D2;
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
}
.cta-form-intro .cta-points li i {
    color: var(--color-accent);
    font-size: 0.8rem;
}
.cta-form-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}
.cta-form-card .form-group {
    margin-bottom: 1.2rem;
}
.cta-form-card label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 0.4rem;
}
.cta-form-card input,
.cta-form-card textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #FAF7F2;
    outline: none;
    font-size: 0.9rem;
    color: var(--color-text);
    transition: border-color var(--transition), background var(--transition);
}
.cta-form-card input:focus,
.cta-form-card textarea:focus {
    border-color: var(--color-cta);
    background: var(--color-white);
}
.cta-form-card textarea {
    resize: vertical;
    min-height: 90px;
}
.cta-form-card .btn {
    width: 100%;
}
.form-hint {
    font-size: 0.78rem;
    color: var(--color-text-light);
    margin-top: 0.8rem;
    text-align: center;
}

/* ============ 页脚 ============ */
.site-footer {
    background: var(--color-primary);
    color: #C5C5C2;
    padding: var(--spacing-xl) 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}
.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--color-white);
    margin-bottom: 0.8rem;
}
.footer-brand .footer-logo:hover {
    color: var(--color-white);
}
.footer-brand .footer-logo .logo-icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: var(--color-cta);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}
.footer-brand .footer-logo span {
    color: var(--color-cta);
}
.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.7;
    color: #A5A5A2;
}
.footer-col h5 {
    color: var(--color-white);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    font-weight: 600;
}
.footer-col ul li {
    margin-bottom: 0.6rem;
}
.footer-col ul li a {
    color: #A5A5A2;
    font-size: 0.88rem;
    transition: color var(--transition);
}
.footer-col ul li a:hover {
    color: var(--color-cta);
}
.footer-contact p {
    font-size: 0.85rem;
    color: #A5A5A2;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.footer-contact p i {
    color: var(--color-cta);
    width: 16px;
}
.footer-bottom {
    border-top: 1px solid #3A3E44;
    padding-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.8rem;
    color: #8A8A87;
}
.footer-bottom a {
    color: #A5A5A2;
    transition: color var(--transition);
}
.footer-bottom a:hover {
    color: var(--color-cta);
}
.footer-bottom p {
    margin: 0;
}

/* ============ 响应式断点 ============ */
@media screen and (max-width: 1024px) {
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .review-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .feature-item {
        gap: 2rem;
    }
    .feature-item .feature-image img {
        height: 220px;
    }
    .cta-form-wrap {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    .header-actions .search-box {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.5rem 1rem 1rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }
    .main-nav.is-open {
        display: flex;
    }
    .main-nav a {
        padding: 0.9rem 1rem;
        border-bottom: 1px solid #F0EFEB;
        border-radius: 0;
    }
    .main-nav a.active::after {
        display: none;
    }
    .main-nav a.active {
        background: #FAF7F2;
    }
    .header-actions .btn {
        padding: 0.5rem 0.9rem;
        font-size: 0.8rem;
    }
    .category-hero {
        padding: 2.5rem 0 2rem;
    }
    .category-hero h1 {
        font-size: 1.6rem;
    }
    .category-hero p {
        font-size: 0.9rem;
    }
    .feature-item,
    .feature-item.reversed {
        flex-direction: column;
    }
    .feature-item .feature-image img {
        height: 200px;
    }
    .feature-item .feature-text h3 {
        font-size: 1.25rem;
    }
    .deep-content {
        padding: 1.8rem 1.2rem;
    }
    .equipment-grid {
        grid-template-columns: 1fr;
    }
    .review-grid {
        grid-template-columns: 1fr;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .steps-list {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .section {
        padding: 3rem 0;
    }
    .section-title {
        font-size: 1.5rem;
    }
}

@media screen and (max-width: 520px) {
    .container {
        padding: 0 1rem;
    }
    .site-logo {
        font-size: 1.1rem;
    }
    .site-logo .logo-icon {
        width: 30px;
        height: 30px;
        font-size: 0.95rem;
    }
    .category-hero h1 {
        font-size: 1.3rem;
    }
    .category-hero .hero-meta {
        gap: 0.8rem;
        font-size: 0.78rem;
    }
    .btn {
        padding: 0.55rem 1rem;
        font-size: 0.85rem;
    }
    .faq-accordion .accordion-title {
        font-size: 0.88rem;
        padding: 0.9rem 1rem;
    }
}