/* roulang page: index */
:root {
            --primary: #0F2B46;
            --primary-dark: #0A1F33;
            --accent: #FF6B4A;
            --accent-dark: #E85A3C;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --text-title: #12202E;
            --text-body: #3A4753;
            --text-muted: #6B7A89;
            --border: rgba(15, 43, 70, 0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
            --shadow-md: 0 6px 18px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 43, 70, 0.1);
            --transition: all 0.25s ease;
            --font-base: 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .section-alt {
            background-color: #ffffff;
        }

        .section-dark {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header .section-title {
            position: relative;
            padding-left: 16px;
        }

        .section-header .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 43, 70, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent);
            font-size: 26px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
        }

        .main-nav li a.active {
            background: rgba(15, 43, 70, 0.1);
            color: var(--primary);
            font-weight: 700;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-chip:hover {
            background: var(--accent);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            font-size: 24px;
            color: var(--primary);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 43, 70, 0.45);
            z-index: 101;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-nav-overlay.open {
            opacity: 1;
        }

        /* ========== Hero ========== */
        .hero {
            background: linear-gradient(100deg, #ffffff 0%, #f0f3f6 55%, #e8edf2 100%);
            border-bottom: 1px solid var(--border);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--primary) 100%);
        }

        .hero-grid {
            display: flex;
            align-items: center;
            gap: 40px;
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 107, 74, 0.1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-body);
            max-width: 640px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            border: none;
            text-align: center;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

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

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

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

        .hero-visual {
            flex: 0 0 380px;
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #fff;
            aspect-ratio: 4/3;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius);
        }

        /* ========== Section Styles ========== */
        .card-grid {
            display: grid;
            gap: 24px;
        }

        .card-grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

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

        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(255, 107, 74, 0.25);
        }

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(15, 43, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .card-icon-accent {
            background: rgba(255, 107, 74, 0.12);
            color: var(--accent);
        }

        .card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }

        .tag-accent {
            background: rgba(255, 107, 74, 0.1);
            color: var(--accent);
        }

        /* ========== Entry Matrix ========== */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .entry-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 16px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .entry-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(15, 43, 70, 0.2);
        }

        .entry-item i {
            font-size: 28px;
            color: var(--accent);
        }

        .entry-item span {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
        }

        /* ========== List Cards ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-card {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .news-thumb {
            flex: 0 0 140px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

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

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .btn-read {
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(255, 107, 74, 0.08);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
        }

        .btn-read:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ========== Stats ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-number span {
            color: var(--accent);
        }

        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item.active {
            border-color: rgba(255, 107, 74, 0.3);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            transition: var(--transition);
            text-align: left;
            line-height: 1.4;
        }

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

        .faq-question i {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* ========== Brand Intro ========== */
        .brand-intro {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro p {
            font-size: 16px;
            line-height: 2;
            color: var(--text-body);
            margin-bottom: 12px;
        }

        .brand-intro p:last-child {
            margin-bottom: 0;
        }

        /* ========== Deep Content ========== */
        .deep-content {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }

        .deep-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content p {
            font-size: 16px;
            line-height: 2;
            color: var(--text-body);
            margin-bottom: 14px;
        }

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

        /* ========== Partner Logos ========== */
        .partner-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .partner-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
            cursor: default;
        }

        .partner-chip:hover {
            border-color: rgba(15, 43, 70, 0.25);
            color: var(--text-title);
            background: #fff;
        }

        .partner-chip i {
            font-size: 16px;
            color: var(--accent);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-col h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col p,
        .footer-col a {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                flex-direction: column;
                gap: 28px;
            }

            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 560px;
                aspect-ratio: 16/9;
            }

            .hero-title {
                font-size: 34px;
            }

            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .entry-matrix {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

        @media (max-width: 768px) {
            :root {
                --section-pad: var(--section-pad-mobile);
            }

            .header-inner {
                flex-wrap: nowrap;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border);
                z-index: 99;
            }

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

            .main-nav li a {
                padding: 12px 16px;
                font-size: 16px;
            }

            .nav-chip {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }

            .mobile-nav-overlay.open {
                pointer-events: auto;
            }

            .hero {
                padding: 36px 0 32px;
            }

            .hero-title {
                font-size: 28px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .section-title {
                font-size: 24px;
            }

            .card-grid-3,
            .card-grid-2,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }

            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .news-card {
                flex-direction: column;
                gap: 12px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cta-section {
                padding: 32px 20px;
            }

            .cta-section h2 {
                font-size: 22px;
            }

            .brand-intro,
            .deep-content {
                padding: 24px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-number {
                font-size: 32px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-title {
                font-size: 24px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                padding: 12px 20px;
                font-size: 14px;
                justify-content: center;
            }

            .section-title {
                font-size: 20px;
            }

            .entry-matrix {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .partner-grid {
                gap: 8px;
            }

            .partner-chip {
                padding: 8px 14px;
                font-size: 12px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
        }

        /* ========== Accessibility ========== */
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Override Foundation defaults */
        .foundation-fix h1,
        .foundation-fix h2,
        .foundation-fix h3,
        .foundation-fix p {
            font-family: var(--font-base);
        }

        .foundation-fix a {
            text-decoration: none;
        }

        .foundation-fix button {
            background: none;
        }

/* roulang page: category1 */
:root {
            --primary: #0F2B46;
            --primary-dark: #0A1F33;
            --accent: #FF6B4A;
            --accent-dark: #E85A3C;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --text-title: #12202E;
            --text-body: #3A4753;
            --text-muted: #6B7A89;
            --border: rgba(15, 43, 70, 0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
            --shadow-md: 0 6px 18px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 43, 70, 0.1);
            --transition: all 0.25s ease;
            --font-base: 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            box-sizing: border-box;
        }

        *,
        *::before,
        *::after {
            box-sizing: inherit;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .section-alt {
            background-color: #ffffff;
        }

        .section-dark {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header .section-title {
            position: relative;
            padding-left: 16px;
        }

        .section-header .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 43, 70, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent);
            font-size: 26px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
        }

        .main-nav li a.active {
            background: rgba(15, 43, 70, 0.1);
            color: var(--primary);
            font-weight: 700;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-chip:hover {
            background: var(--accent);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            font-size: 24px;
            color: var(--primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: #fffefc;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin: 0;
            list-style: none;
            padding: 0;
        }

        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '»';
            color: var(--text-muted);
            margin-left: 6px;
            font-size: 14px;
        }

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

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

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

        /* ========== Category Header ========== */
        .category-header {
            background: linear-gradient(160deg, #ffffff 0%, #faf6f0 100%);
            border-bottom: 1px solid var(--border);
            padding: 48px 0 40px;
        }

        .category-header h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin: 0 0 16px;
        }

        .category-header .cat-desc {
            font-size: 17px;
            color: var(--text-body);
            line-height: 1.85;
            max-width: 820px;
            margin: 0;
        }

        .category-header .cat-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .category-header .cat-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .category-header .cat-meta i {
            color: var(--accent);
        }

        /* ========== Data List ========== */
        .data-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .data-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: flex-start;
        }

        .data-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(15, 43, 70, 0.15);
        }

        .data-item-date {
            flex: 0 0 110px;
            min-width: 100px;
            font-size: 14px;
            color: var(--text-muted);
            padding-top: 4px;
            text-align: center;
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            font-weight: 600;
            line-height: 1.4;
        }

        .data-item-body {
            flex: 1;
            min-width: 240px;
        }

        .data-item-tag {
            display: inline-block;
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
        }

        .data-item-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            margin: 0 0 10px;
        }

        .data-item-summary {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
            margin: 0 0 14px;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 1px solid rgba(15, 43, 70, 0.2);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
        }

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

        .btn-read-more i {
            font-size: 12px;
            transition: var(--transition);
        }

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

        /* ========== Summary Cards ========== */
        .summary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .summary-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .summary-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 0 0 3px 3px;
        }

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

        .summary-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }

        .summary-number small {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-muted);
        }

        .summary-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== Update Note Block ========== */
        .update-note {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .update-note-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin: 0 0 16px;
        }

        .update-note-text p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.9;
            margin: 0 0 16px;
        }

        .update-note-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .update-note-text ul li {
            font-size: 15px;
            color: var(--text-body);
            padding-left: 24px;
            position: relative;
            line-height: 1.7;
        }

        .update-note-text ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent);
            font-weight: 700;
            font-size: 16px;
        }

        .update-note-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .update-note-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius);
        }

        /* ========== Hot Data Cards ========== */
        .hot-data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .hot-data-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .hot-data-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius) var(--radius) 0 0;
        }

        .hot-data-content {
            padding: 20px 24px 24px;
        }

        .hot-data-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            margin: 0 0 10px;
        }

        .hot-data-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .faq-item:hover {
            border-color: rgba(15, 43, 70, 0.18);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
            text-align: left;
            line-height: 1.55;
        }

        .faq-question:hover {
            color: var(--primary);
            background: rgba(15, 43, 70, 0.03);
        }

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

        .faq-question i {
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
            margin: 0;
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-box {
            background: var(--card-bg);
            border: 2px solid var(--primary);
            border-radius: var(--radius);
            padding: 40px 48px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }

        .subscribe-box h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin: 0 0 12px;
        }

        .subscribe-box p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 600px;
            margin: 0 auto 24px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border: 1px solid rgba(15, 43, 70, 0.2);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--text-title);
            background: #fff;
            transition: var(--transition);
        }

        .subscribe-form input:focus {
            outline: 2px solid var(--primary);
            outline-offset: -1px;
            border-color: var(--primary);
        }

        .btn-subscribe {
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            border: none;
        }

        .btn-subscribe:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.2fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-col h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.85;
            margin: 0 0 12px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.9;
        }

        .footer-bottom p {
            margin: 4px 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .summary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .update-note {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .update-note-image {
                order: -1;
                max-height: 280px;
            }
            .category-header h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .header-inner {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-radius: var(--radius-sm);
                box-shadow: var(--shadow-md);
                padding: 8px;
                order: 10;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-chip {
                display: none;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .category-header .cat-desc {
                font-size: 15px;
            }
            .data-item {
                padding: 20px;
                flex-direction: column;
                gap: 12px;
            }
            .data-item-date {
                flex: auto;
                min-width: auto;
                text-align: left;
                font-size: 13px;
                padding: 6px 12px;
                display: inline-block;
                width: auto;
            }
            .data-item-title {
                font-size: 16px;
            }
            .summary-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .summary-card {
                padding: 20px 16px;
            }
            .summary-number {
                font-size: 30px;
            }
            .hot-data-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hot-data-card img {
                height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .subscribe-box {
                padding: 28px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input,
            .btn-subscribe {
                width: 100%;
            }
            .section-title {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-header {
                padding: 32px 0 28px;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .summary-grid {
                grid-template-columns: 1fr;
            }
            .data-item {
                padding: 16px;
            }
            .data-item-summary {
                font-size: 14px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 22px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
            .breadcrumb {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F2B46;
            --primary-dark: #0A1F33;
            --accent: #FF6B4A;
            --accent-dark: #E85A3C;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --text-title: #12202E;
            --text-body: #3A4753;
            --text-muted: #6B7A89;
            --border: rgba(15, 43, 70, 0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
            --shadow-md: 0 6px 18px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 43, 70, 0.1);
            --transition: all 0.25s ease;
            --font-base: 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-alt {
            background-color: #ffffff;
        }
        .section-dark {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header .section-title {
            position: relative;
            padding-left: 16px;
        }
        .section-header .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
        }
        /* ========== Header / Navigation ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 43, 70, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .logo i {
            color: var(--accent);
            font-size: 26px;
        }
        .logo:hover {
            color: var(--primary-dark);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }
        .main-nav li a {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav li a:hover {
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
        }
        .main-nav li a.active {
            background: rgba(15, 43, 70, 0.1);
            color: var(--primary);
            font-weight: 700;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }
        .nav-chip:hover {
            background: var(--accent);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            font-size: 24px;
            color: var(--primary);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 43, 70, 0.45);
            z-index: 101;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-nav-overlay.show {
            display: block;
            opacity: 1;
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: #fff;
            z-index: 102;
            transition: right 0.3s ease;
            padding: 24px;
            overflow-y: auto;
            box-shadow: -8px 0 32px rgba(15, 43, 70, 0.15);
        }
        .mobile-nav-panel.show {
            right: 0;
        }
        .mobile-nav-panel .logo {
            margin-bottom: 20px;
        }
        .mobile-nav-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mobile-nav-panel ul li a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav-panel ul li a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .mobile-nav-panel .nav-chip {
            margin-top: 16px;
        }
        .mobile-nav-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-muted);
            cursor: pointer;
        }
        /* ========== Breadcrumb ========== */
        .breadcrumb {
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--border);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
            justify-content: center;
            min-width: 120px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            min-width: auto;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        /* ========== Cards ========== */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .card-title a {
            color: var(--text-title);
        }
        .card-title a:hover {
            color: var(--primary);
        }
        .card-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .card-meta i {
            color: var(--accent);
            margin-right: 4px;
        }
        /* ========== Tags / Badges ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            background: rgba(15, 43, 70, 0.08);
            color: var(--primary);
            white-space: nowrap;
        }
        .badge-accent {
            background: rgba(255, 107, 74, 0.12);
            color: var(--accent);
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-muted);
        }
        .tag-link {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            background: rgba(15, 43, 70, 0.06);
            color: var(--text-body);
            transition: var(--transition);
            cursor: pointer;
        }
        .tag-link:hover {
            background: var(--primary);
            color: #fff;
        }
        /* ========== Page Header ========== */
        .page-header {
            padding: 28px 0 16px;
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.35;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }
        .page-header .page-desc {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 800px;
            line-height: 1.8;
            margin: 0;
        }
        /* ========== List Cards ========== */
        .article-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .article-card .article-image {
            height: 200px;
            overflow: hidden;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .article-card .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius) var(--radius) 0 0;
            transition: transform 0.4s ease;
        }
        .article-card:hover .article-image img {
            transform: scale(1.05);
        }
        .article-card .article-content {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .article-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .article-card .article-meta i {
            color: var(--accent);
            margin-right: 4px;
        }
        .article-card .article-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .article-card .article-title a {
            color: var(--text-title);
        }
        .article-card .article-title a:hover {
            color: var(--primary);
        }
        .article-card .article-summary {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .article-card .btn {
            align-self: flex-start;
        }
        /* ========== Tactics Grid Cards ========== */
        .tactics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .tactics-mini-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: var(--transition);
            text-align: center;
        }
        .tactics-mini-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .tactics-mini-card .tactics-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(255, 107, 74, 0.12);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 22px;
        }
        .tactics-mini-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 8px;
        }
        .tactics-mini-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        /* ========== Chart Preview ========== */
        .chart-preview {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }
        .chart-preview .chart-image img {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
        }
        .chart-preview .chart-info h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 16px;
        }
        .chart-preview .chart-info p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .chart-preview .chart-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .chart-preview .chart-stat {
            background: var(--bg);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 100px;
        }
        .chart-preview .chart-stat .stat-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
        }
        .chart-preview .chart-stat .stat-label {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* ========== Data Bar ========== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-strip-item {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }
        .data-strip-item:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-2px);
        }
        .data-strip-item .ds-num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .data-strip-item .ds-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }
        /* ========== Tag Cloud ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        /* ========== CTA ========== */
        .cta-box {
            background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius);
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            align-items: flex-start;
            color: #fff;
        }
        .cta-box h3 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0;
        }
        .cta-box p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            max-width: 600px;
            line-height: 1.8;
        }
        .cta-box .btn {
            margin-top: 8px;
        }
        /* ========== Form ========== */
        .form-inline {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .form-input {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 15px;
            min-width: 260px;
            transition: var(--transition);
        }
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .form-input:focus {
            outline: 2px solid var(--accent);
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
        }
        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0 0 8px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            text-align: center;
        }
        .footer-bottom p {
            margin: 6px 0;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        /* ========== Related Section ========== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            transition: var(--transition);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .related-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .related-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 8px;
        }
        .related-card .related-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            gap: 10px;
            align-items: center;
        }
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav li a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .nav-chip {
                font-size: 12px;
                padding: 6px 12px;
            }
            .chart-preview {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .header-inner {
                flex-wrap: nowrap;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-chip {
                display: none;
            }
            .mobile-nav-panel {
                display: block;
            }
            .mobile-nav-overlay {
                display: none;
            }
            .mobile-nav-overlay.show {
                display: block;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .page-header .page-desc {
                font-size: 15px;
            }
            .article-list {
                grid-template-columns: 1fr;
            }
            .tactics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-strip-item {
                padding: 16px;
            }
            .data-strip-item .ds-num {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-box {
                padding: 32px 24px;
            }
            .form-inline {
                flex-direction: column;
                align-items: stretch;
            }
            .form-input {
                min-width: auto;
            }
            .chart-preview .chart-stats {
                flex-direction: column;
            }
        }
        @media (max-width: 520px) {
            .tactics-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr;
            }
            .article-card .article-image {
                height: 160px;
            }
            .section-title {
                font-size: 24px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .breadcrumb {
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F2B46;
            --primary-dark: #0A1F33;
            --accent: #FF6B4A;
            --accent-dark: #E85A3C;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --text-title: #12202E;
            --text-body: #3A4753;
            --text-muted: #6B7A89;
            --border: rgba(15, 43, 70, 0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
            --shadow-md: 0 6px 18px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 43, 70, 0.1);
            --transition: all 0.25s ease;
            --font-base: 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }

        /* Foundation 覆盖 */
        .row {
            max-width: var(--container-max);
        }
        .row .row {
            max-width: none;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-alt {
            background-color: #ffffff;
        }
        .section-dark {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header .section-title {
            position: relative;
            padding-left: 16px;
        }
        .section-header .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 43, 70, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .logo i {
            color: var(--accent);
            font-size: 26px;
        }
        .logo:hover {
            color: var(--primary-dark);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }
        .main-nav li a {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav li a:hover {
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
        }
        .main-nav li a.active {
            background: rgba(15, 43, 70, 0.1);
            color: var(--primary);
            font-weight: 700;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            background: transparent;
            white-space: nowrap;
        }
        .nav-chip:hover {
            background: var(--accent);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            padding: 10px;
            font-size: 24px;
            color: var(--primary);
            line-height: 1;
        }
        .nav-toggle:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-area {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '\00BB';
            color: var(--text-muted);
            font-size: 13px;
        }
        .breadcrumb a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--text-title);
            font-weight: 600;
        }

        /* ========== 分类页头部 ========== */
        .category-hero {
            background: linear-gradient(160deg, #FFFDF9 0%, #F0EFEA 100%);
            padding: 56px 0 44px;
            border-bottom: 1px solid var(--border);
        }
        .category-hero-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }
        .category-hero-text {
            flex: 1 1 560px;
        }
        .category-hero-text h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            letter-spacing: -0.025em;
            margin-bottom: 16px;
        }
        .category-hero-text .lead {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-body);
            max-width: 640px;
            margin-bottom: 20px;
        }
        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 107, 74, 0.1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .category-hero-image {
            flex: 0 0 320px;
            max-width: 320px;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .category-hero-image img {
            border-radius: 14px;
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        /* ========== 列表卡片 ========== */
        .training-list-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .training-list-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 28px 30px;
            display: flex;
            gap: 24px;
            align-items: flex-start;
            transition: var(--transition);
        }
        .training-list-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .training-card-date {
            flex: 0 0 90px;
            text-align: center;
            background: rgba(15, 43, 70, 0.04);
            border-radius: var(--radius-sm);
            padding: 12px 8px;
        }
        .training-card-date .day {
            display: block;
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .training-card-date .month {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }
        .training-card-content {
            flex: 1;
        }
        .training-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .training-card-tag {
            display: inline-block;
            background: rgba(15, 43, 70, 0.07);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
        }
        .training-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .training-list-card:hover .training-card-title {
            color: var(--primary);
        }
        .training-card-excerpt {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 16px;
            max-width: 720px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-read-more:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== 训练模板板块 ========== */
        .template-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .template-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 32px;
            transition: var(--transition);
        }
        .template-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .template-card.full-width {
            grid-column: 1 / -1;
        }
        .template-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 107, 74, 0.1);
            color: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .template-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .template-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 16px;
            max-width: 560px;
        }
        .template-schedule {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
        }
        .template-schedule li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--text-body);
        }
        .template-schedule li:last-child {
            border-bottom: none;
        }
        .template-day {
            flex: 0 0 56px;
            font-weight: 700;
            color: var(--primary);
            font-size: 14px;
        }
        .template-desc {
            flex: 1;
            line-height: 1.6;
        }
        .template-step-list {
            counter-reset: step-counter;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .template-step-list li {
            counter-increment: step-counter;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--text-body);
        }
        .template-step-list li:last-child {
            border-bottom: none;
        }
        .template-step-list li::before {
            content: counter(step-counter);
            width: 30px;
            height: 30px;
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* ========== 深度正文 ========== */
        .science-section {
            background: #fff;
        }
        .deep-article {
            max-width: 820px;
            margin: 0 auto;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 48px 52px;
        }
        .deep-article h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 20px;
        }
        .deep-article h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 12px;
            margin-top: 28px;
        }
        .deep-article p {
            font-size: 16px;
            line-height: 2.0;
            color: var(--text-body);
            margin-bottom: 16px;
            text-align: justify;
        }
        .deep-article .highlight-quote {
            border-left: 4px solid var(--accent);
            background: rgba(255, 107, 74, 0.05);
            padding: 16px 20px;
            margin: 20px 0;
            font-style: normal;
            color: var(--text-title);
            font-weight: 500;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        /* ========== 数据统计 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-block {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== 标签聚合 ========== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            cursor: default;
            box-shadow: var(--shadow-sm);
        }
        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .tag-pill .tag-count {
            background: rgba(255, 107, 74, 0.12);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            margin-left: 8px;
        }

        /* ========== 相关专题 ========== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            display: block;
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .related-card-img {
            height: 160px;
            overflow: hidden;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card-body {
            padding: 20px 22px;
        }
        .related-card-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .related-card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 16px;
            padding: 52px 44px;
            color: #fff;
            text-align: center;
            margin: 0 24px;
        }
        .cta-section h3 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: none;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 74, 0.4);
        }
        .btn-secondary-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .btn-secondary-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 32px;
            margin-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr 0.9fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-col h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.68);
            margin-bottom: 8px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 6px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== 移动端菜单 ========== */
        .main-nav.mobile-open {
            display: flex;
            flex-direction: column;
            width: 100%;
            background: #fff;
            padding: 12px 0;
            border-top: 1px solid var(--border);
            gap: 2px;
        }
        .main-nav.mobile-open li {
            width: 100%;
        }
        .main-nav.mobile-open li a {
            padding: 12px 4px;
            width: 100%;
            display: block;
        }
        .nav-chip.nav-chip-mobile {
            margin-left: auto;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .template-grid {
                grid-template-columns: 1fr;
            }
            .template-card.full-width {
                grid-column: 1;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero-image {
                flex-basis: 280px;
                max-width: 280px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: var(--section-pad-mobile);
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
                line-height: 1.4;
            }
            .header-inner {
                padding: 10px 0;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
            }
            .main-nav.mobile-open {
                display: flex;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 8px 0;
                border-top: 1px solid var(--border);
            }
            .nav-chip {
                font-size: 12px;
                padding: 6px 12px;
                display: none;
            }
            .nav-chip.nav-chip-mobile {
                display: inline-flex;
                margin-left: 0;
            }
            .category-hero {
                padding: 36px 0 28px;
            }
            .category-hero-text h1 {
                font-size: 28px;
                line-height: 1.4;
            }
            .category-hero-text .lead {
                font-size: 15px;
                line-height: 1.8;
            }
            .category-hero-image {
                flex-basis: 100%;
                max-width: 100%;
            }
            .category-hero-image img {
                height: 200px;
            }
            .training-list-card {
                flex-direction: column;
                gap: 14px;
                padding: 20px;
            }
            .training-card-date {
                flex: 0 0 auto;
                text-align: left;
                display: flex;
                align-items: center;
                gap: 8px;
                padding: 8px 14px;
            }
            .training-card-date .day {
                font-size: 22px;
            }
            .training-card-date .month {
                font-size: 11px;
            }
            .training-card-title {
                font-size: 17px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-number {
                font-size: 28px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 32px 20px;
                margin: 0 16px;
            }
            .cta-section h3 {
                font-size: 22px;
            }
            .deep-article {
                padding: 28px 22px;
            }
            .deep-article h2 {
                font-size: 21px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 19px;
            }
            .logo i {
                font-size: 22px;
            }
            .training-card-title {
                font-size: 16px;
            }
            .training-card-excerpt {
                font-size: 14px;
                line-height: 1.7;
            }
            .btn-read-more {
                font-size: 13px;
                padding: 7px 14px;
            }
            .template-card {
                padding: 22px 18px;
            }
            .stat-number {
                font-size: 24px;
            }
            .stat-label {
                font-size: 12px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== 焦点可访问性 ========== */
        a:focus,
        button:focus,
        input:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-accent:focus,
        .btn-secondary-outline:focus {
            outline-color: #fff;
            outline-offset: 3px;
        }
        .btn-read-more:focus {
            outline-color: var(--accent);
            outline-offset: 2px;
        }

/* roulang page: category5 */
:root {
            --primary: #0F2B46;
            --primary-dark: #0A1F33;
            --accent: #FF6B4A;
            --accent-dark: #E85A3C;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --text-title: #12202E;
            --text-body: #3A4753;
            --text-muted: #6B7A89;
            --border: rgba(15, 43, 70, 0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
            --shadow-md: 0 6px 18px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 43, 70, 0.1);
            --transition: all 0.25s ease;
            --font-base: 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .section-alt {
            background-color: #ffffff;
        }

        .section-dark {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header .section-title {
            position: relative;
            padding-left: 16px;
        }

        .section-header .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 43, 70, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent);
            font-size: 26px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .main-nav li a {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
        }

        .main-nav li a.active {
            background: rgba(15, 43, 70, 0.1);
            color: var(--primary);
            font-weight: 700;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-chip:hover {
            background: var(--accent);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            font-size: 24px;
            color: var(--primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            font-size: 13px;
            color: var(--text-muted);
        }

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

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

        .breadcrumb-bar .separator {
            margin: 0 8px;
            color: var(--text-muted);
        }

        /* ========== Page Hero ========== */
        .page-hero {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 107, 74, 0.15);
            pointer-events: none;
        }

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

        .page-hero h1 {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            max-width: 680px;
        }

        .page-hero .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 0;
        }

        .page-hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .page-hero .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .page-hero .hero-stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
        }

        .page-hero .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== Guide List Cards ========== */
        .guide-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .guide-card .card-image {
            height: 190px;
            overflow: hidden;
            background: var(--primary);
            position: relative;
        }

        .guide-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .guide-card:hover .card-image img {
            transform: scale(1.06);
        }

        .guide-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }

        .guide-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card .card-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .guide-card .card-date i {
            color: var(--accent);
            font-size: 12px;
        }

        .guide-card .card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.45;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .guide-card .card-title a {
            color: var(--text-title);
        }

        .guide-card .card-title a:hover {
            color: var(--accent);
        }

        .guide-card .card-excerpt {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }

        .guide-card .card-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .guide-card .card-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        /* ========== Calendar Section ========== */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .calendar-block {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            transition: var(--transition);
        }

        .calendar-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .calendar-block .month-badge {
            display: inline-block;
            background: rgba(15, 43, 70, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }

        .calendar-block .month-events {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .calendar-block .month-events li {
            font-size: 14px;
            color: var(--text-body);
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .calendar-block .month-events li:last-child {
            border-bottom: none;
        }

        .calendar-block .month-events i {
            color: var(--accent);
            font-size: 12px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ========== Checklist Section ========== */
        .checklist-wrapper {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .checklist-panel {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 30px 28px;
        }

        .checklist-panel h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .checklist-panel h3 i {
            color: var(--accent);
            font-size: 20px;
        }

        .checklist-panel .panel-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .checklist-items {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .checklist-items li {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.6;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .checklist-items li .check-icon {
            width: 22px;
            height: 22px;
            background: rgba(255, 107, 74, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .checklist-items li .check-icon i {
            font-size: 11px;
            color: var(--accent);
        }

        /* ========== Deep Content ========== */
        .deep-content {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 40px 36px;
            max-width: 900px;
            margin: 0 auto;
        }

        .deep-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 20px;
            line-height: 1.4;
        }

        .deep-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            margin-top: 28px;
            margin-bottom: 12px;
            line-height: 1.45;
        }

        .deep-content p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .deep-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(255, 107, 74, 0.06);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            font-size: 15px;
            color: var(--text-body);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            text-align: left;
            line-height: 1.5;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: rgba(15, 43, 70, 0.06);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

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

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            padding: 64px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            max-width: 600px;
            margin: 0 auto 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.4;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 74, 0.3);
        }

        .btn-accent:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(255, 107, 74, 0.08);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 8px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom p {
            margin-bottom: 6px;
        }

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

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .calendar-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                padding-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav li a {
                padding: 12px 14px;
                width: 100%;
                text-align: left;
                font-size: 15px;
            }
            .nav-chip {
                font-size: 13px;
                padding: 6px 14px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .calendar-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .checklist-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .deep-content {
                padding: 24px 20px;
                border-radius: var(--radius-sm);
            }
            .deep-content h2 {
                font-size: 22px;
            }
            .guide-card .card-image {
                height: 160px;
            }
            .guide-card .card-body {
                padding: 18px 18px 20px;
            }
            .guide-card .card-title {
                font-size: 18px;
            }
            .page-hero .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .page-hero .hero-stat-number {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 10px 0;
                gap: 8px;
            }
            .logo {
                font-size: 18px;
            }
            .logo i {
                font-size: 22px;
            }
            .nav-chip {
                font-size: 12px;
                padding: 5px 12px;
                border-width: 1.5px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero .hero-subtitle {
                font-size: 15px;
            }
            .section-title {
                font-size: 21px;
            }
            .guide-card .card-title {
                font-size: 17px;
            }
            .guide-card .card-excerpt {
                font-size: 14px;
            }
            .deep-content {
                padding: 20px 16px;
            }
            .deep-content h2 {
                font-size: 20px;
            }
            .deep-content h3 {
                font-size: 18px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .btn {
                padding: 12px 24px;
                font-size: 15px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0F2B46;
            --primary-dark: #0A1F33;
            --accent: #FF6B4A;
            --accent-dark: #E85A3C;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --text-title: #12202E;
            --text-body: #3A4753;
            --text-muted: #6B7A89;
            --border: rgba(15, 43, 70, 0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
            --shadow-md: 0 6px 18px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 43, 70, 0.1);
            --transition: all 0.25s ease;
            --font-base: 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: var(--section-pad-mobile);
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .section-alt {
            background-color: #ffffff;
        }

        .section-dark {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header .section-title {
            position: relative;
            padding-left: 16px;
        }

        .section-header .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 43, 70, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent);
            font-size: 26px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
        }

        .main-nav li a {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
        }

        .main-nav li a.active {
            background: rgba(15, 43, 70, 0.1);
            color: var(--primary);
            font-weight: 700;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-chip:hover {
            background: var(--accent);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            font-size: 24px;
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 4px;
                gap: 2px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav li a {
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-chip {
                margin-left: auto;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .logo {
                flex: 1;
            }
        }

        @media (max-width: 520px) {
            .nav-chip {
                width: 100%;
                justify-content: center;
                margin-left: 0;
            }
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 4px;
        }

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

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

        .breadcrumb li:not(:last-child)::after {
            content: '»';
            margin-left: 4px;
            color: var(--text-muted);
            opacity: 0.6;
        }

        .breadcrumb li:last-child {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Category Page Header ========== */
        .category-header {
            background: linear-gradient(160deg, var(--primary) 0%, #1A3D5C 100%);
            color: #fff;
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .category-header::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: rgba(255, 107, 74, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-header h1 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .category-header p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 0;
        }

        .category-header .header-meta {
            display: flex;
            gap: 24px;
            margin-top: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .category-header .header-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-header .header-meta i {
            color: var(--accent);
        }

        /* ========== News List Cards ========== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .news-card .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

        .news-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

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

        .news-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
            z-index: 2;
        }

        .news-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .card-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 10px;
        }

        .news-card .card-date i {
            color: var(--accent);
            font-size: 12px;
        }

        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .news-card:hover h3 {
            color: var(--primary);
        }

        .news-card p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
            align-self: flex-start;
        }

        .read-more i {
            font-size: 12px;
            transition: transform 0.2s ease;
        }

        .read-more:hover {
            color: var(--accent);
        }

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

        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== Data Snapshot ========== */
        .data-snapshot {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .snapshot-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .snapshot-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .snapshot-item .snapshot-number {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.03em;
        }

        .snapshot-item .snapshot-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
            line-height: 1.5;
        }

        .snapshot-item .snapshot-number .accent {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .data-snapshot {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .data-snapshot {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Announcement Board ========== */
        .announcement-board {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 28px 20px;
            box-shadow: var(--shadow-sm);
        }

        .announcement-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .announcement-item .announcement-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: rgba(255, 107, 74, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 16px;
        }

        .announcement-item .announcement-content h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .announcement-item .announcement-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .announcement-item .announcement-content .announcement-date {
            font-size: 12px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 6px;
        }

        /* ========== Tag Cloud ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }

        .tag-pill:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .tag-pill i {
            font-size: 12px;
            color: var(--accent);
        }

        .tag-pill:hover i {
            color: #fff;
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-box {
            background: linear-gradient(150deg, var(--primary) 0%, #1A3D5C 100%);
            border-radius: var(--radius);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .subscribe-box::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: rgba(255, 107, 74, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-box .subscribe-text {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-box .subscribe-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .subscribe-box .subscribe-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 280px;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 15px;
            transition: var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .subscribe-form input:focus {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--accent);
            outline: 2px solid rgba(255, 107, 74, 0.5);
        }

        .subscribe-form button {
            padding: 14px 28px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .subscribe-form button:hover {
            background: var(--accent-dark);
        }

        .subscribe-form button:focus {
            outline: 2px solid rgba(255, 107, 74, 0.6);
            outline-offset: 2px;
        }

        /* ========== Related Topics ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .topic-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            cursor: pointer;
        }

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

        .topic-card .topic-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .topic-card .topic-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

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

        .topic-card .topic-body {
            padding: 18px 20px 20px;
        }

        .topic-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
            line-height: 1.5;
            transition: var(--transition);
        }

        .topic-card:hover h4 {
            color: var(--primary);
        }

        .topic-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .topics-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .topics-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            line-height: 1.6;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(15, 43, 70, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 32px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

        .site-footer a:hover {
            color: var(--accent);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .site-footer .footer-bottom p {
            margin-bottom: 4px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

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

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

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ========== Utility ========== */
        .text-accent {
            color: var(--accent);
        }

        .mb-0 {
            margin-bottom: 0;
        }

        .section-divider {
            height: 1px;
            background: var(--border);
            border: none;
            margin: 0;
        }

/* roulang page: category4 */
:root {
            --primary: #0F2B46;
            --primary-dark: #0A1F33;
            --accent: #FF6B4A;
            --accent-dark: #E85A3C;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --text-title: #12202E;
            --text-body: #3A4753;
            --text-muted: #6B7A89;
            --border: rgba(15, 43, 70, 0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
            --shadow-md: 0 6px 18px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 43, 70, 0.1);
            --transition: all 0.25s ease;
            --font-base: 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-base);
            color: var(--text-title);
            line-height: 1.4;
            margin-top: 0;
        }

        p {
            margin: 0 0 16px;
        }

        ul,
        ol {
            margin: 0 0 16px;
            padding-left: 20px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .section-alt {
            background-color: #ffffff;
        }

        .section-dark {
            background: linear-gradient(175deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-header {
            margin-bottom: 44px;
        }

        .section-header .section-title {
            position: relative;
            padding-left: 16px;
        }

        .section-header .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 43, 70, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent);
            font-size: 26px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .main-nav li a {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            background: rgba(15, 43, 70, 0.06);
            color: var(--primary);
        }

        .main-nav li a.active {
            background: rgba(15, 43, 70, 0.1);
            color: var(--primary);
            font-weight: 700;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-chip:hover {
            background: var(--accent);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            font-size: 24px;
            color: var(--primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb li+li::before {
            content: '»';
            color: var(--text-muted);
            font-size: 13px;
        }

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

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

        .breadcrumb li:last-child {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            background: linear-gradient(135deg, #f0f4f8 0%, #f7f5f1 50%, #fff 100%);
            padding: 56px 0 48px;
            border-bottom: 1px solid var(--border);
        }

        .category-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .category-hero-text h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            color: var(--primary);
        }

        .category-hero-text .lead {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 20px;
        }

        .category-hero-text .hero-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .hero-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .hero-meta-item i {
            color: var(--accent);
        }

        .category-hero-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .category-hero-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius);
        }

        .category-hero-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(15, 43, 70, 0.6), transparent);
            pointer-events: none;
        }

        .category-hero-image .hero-image-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            background: var(--accent);
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        /* ========== Review Standards ========== */
        .standards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .standard-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .standard-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .standard-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 107, 74, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .standard-card .icon-wrap i {
            font-size: 22px;
            color: var(--accent);
        }

        .standard-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .standard-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Review List ========== */
        .review-list-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .review-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .review-card-image {
            position: relative;
            overflow: hidden;
            height: 200px;
        }

        .review-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: var(--transition);
        }

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

        .review-card-image .review-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.02em;
            z-index: 2;
        }

        .review-card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .review-card-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }

        .review-card-date i {
            color: var(--accent);
            font-size: 12px;
        }

        .review-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .review-card-body h3 a {
            color: var(--text-title);
            transition: var(--transition);
        }

        .review-card-body h3 a:hover {
            color: var(--accent);
        }

        .review-card-summary {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .review-card-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }

        .btn-read-more:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .review-rating {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 700;
            color: #F59E0B;
        }

        .list-more-wrap {
            text-align: center;
            margin-top: 36px;
        }

        .btn-outline-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            background: transparent;
            transition: var(--transition);
            cursor: pointer;
        }

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

        /* ========== Comparison Table ========== */
        .comparison-wrapper {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 16px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        .comparison-table th {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            white-space: nowrap;
        }

        .comparison-table td {
            color: var(--text-body);
            font-size: 14px;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .score-accent {
            color: var(--accent);
            font-weight: 700;
        }

        .comparison-table .score-high {
            color: #22C55E;
            font-weight: 700;
        }

        /* ========== Top Ranking ========== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .ranking-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .ranking-number {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(15, 43, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 800;
            color: var(--primary);
        }

        .ranking-item:nth-child(1) .ranking-number {
            background: #F59E0B;
            color: #fff;
        }

        .ranking-item:nth-child(2) .ranking-number {
            background: #94A3B8;
            color: #fff;
        }

        .ranking-item:nth-child(3) .ranking-number {
            background: #CD7F32;
            color: #fff;
        }

        .ranking-info {
            flex: 1;
        }

        .ranking-info h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .ranking-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        .ranking-score {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            flex-shrink: 0;
        }

        /* ========== Buying Guide ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .guide-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .guide-card .guide-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 14px;
        }

        .guide-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .guide-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ========== Stats ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }

        .stat-card {
            text-align: center;
            padding: 28px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.03em;
        }

        .stat-number .stat-unit {
            font-size: 16px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== Related Articles ========== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .related-card {
            display: block;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .related-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            border-radius: 0;
        }

        .related-card-body {
            padding: 16px 18px;
        }

        .related-card-body h3 {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 4px;
            color: var(--text-title);
        }

        .related-card-body p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(15, 43, 70, 0.2);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            cursor: pointer;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--accent);
            transition: var(--transition);
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            border-top: 4px solid var(--accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h3 {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
        }

        .footer-bottom p {
            margin-bottom: 6px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .category-hero-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .category-hero-text h1 {
                font-size: 30px;
            }

            .review-list-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-pad: 48px;
            }

            .header-inner {
                flex-wrap: nowrap;
            }

            .main-nav {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                background: #fff;
                padding: 12px 0;
                border-top: 1px solid var(--border);
                gap: 2px;
            }

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

            .main-nav li {
                width: 100%;
            }

            .main-nav li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
            }

            .nav-toggle {
                display: block;
            }

            .nav-chip {
                display: none;
            }

            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .category-hero-text h1 {
                font-size: 26px;
                line-height: 1.4;
            }

            .category-hero-text .lead {
                font-size: 15px;
            }

            .category-hero-image img {
                height: 220px;
            }

            .review-list-grid {
                grid-template-columns: 1fr;
            }

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

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

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

            .stat-number {
                font-size: 28px;
            }

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

            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 12px;
            }

            .comparison-table {
                display: block;
                overflow-x: auto;
            }

            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }

            .faq-answer {
                font-size: 14px;
                padding: 0 18px;
            }

            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .category-hero-text h1 {
                font-size: 24px;
            }

            .section-title {
                font-size: 24px;
            }

            .review-card-image {
                height: 170px;
            }

            .review-card-body {
                padding: 18px 18px 20px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 18px 12px;
            }

            .stat-number {
                font-size: 24px;
            }

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

            .ranking-item {
                padding: 12px 14px;
                gap: 12px;
            }

            .ranking-number {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .ranking-score {
                font-size: 16px;
            }
        }