/* roulang page: index */
:root {
            --color-primary: #1b1d24;
            --color-secondary: #c9973f;
            --color-accent: #b8342e;
            --color-bg: #f5f4f0;
            --color-dark: #23262d;
            --color-card: #ffffff;
            --color-text: #212226;
            --color-text-secondary: #5f636c;
            --color-text-inverse: #f2efe9;
            --color-border: #e5e2da;
            --radius-card: 12px;
            --radius-chip: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(27, 29, 36, 0.06);
            --shadow-card-hover: 0 14px 32px rgba(27, 29, 36, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 48px;
            --transition-base: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            letter-spacing: 0.015em;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-padding {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        @media (max-width: 768px) {
            .section-padding {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
        }

        .section-title {
            font-size: 30px;
            line-height: 38px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--color-text);
            margin: 0 0 12px 0;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 24px;
                line-height: 32px;
            }
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 30px;
            color: var(--color-text-secondary);
            margin: 0 0 32px 0;
            max-width: 760px;
        }

        .section-subtitle.text-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo-link {
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--color-primary) 0%, #2d3038 100%);
            border-radius: 8px;
            color: var(--color-secondary);
            font-size: 14px;
            font-weight: 700;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
            min-width: 0;
            padding: 4px 0;
        }

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

        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 500;
            border-radius: var(--radius-chip);
            border: 1px solid #d6d1c5;
            background-color: #ffffff;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-chip:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        .nav-chip:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .nav-chip.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-inverse);
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: #982a24;
        }

        .nav-cta:focus-visible {
            outline: 3px solid rgba(184, 52, 46, 0.35);
            outline-offset: 2px;
        }

        @media (max-width: 640px) {
            .header-inner {
                height: 56px;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
            .logo-link {
                font-size: 18px;
            }
            .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 16px;
            line-height: 24px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: #982a24;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(184, 52, 46, 0.25);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(184, 52, 46, 0.35);
            outline-offset: 2px;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 16px;
            line-height: 24px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: transparent;
            border: 1px solid #cdc8bb;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(201, 151, 63, 0.35);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 16px;
            line-height: 24px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }

        .btn-ghost:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.5);
            outline-offset: 2px;
        }

        /* Cards */
        .card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

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

        .card-padding {
            padding: 28px;
        }

        .card-padding-sm {
            padding: 20px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 13px;
            line-height: 18px;
            font-weight: 500;
            border-radius: 16px;
            background-color: rgba(201, 151, 63, 0.12);
            color: #8a6a2f;
            border: 1px solid rgba(201, 151, 63, 0.3);
            white-space: nowrap;
        }

        .tag-dark {
            background-color: rgba(201, 151, 63, 0.2);
            color: var(--color-secondary);
            border-color: rgba(201, 151, 63, 0.4);
        }

        .tag-red {
            background-color: rgba(184, 52, 46, 0.1);
            color: var(--color-accent);
            border-color: rgba(184, 52, 46, 0.25);
        }

        /* Data stat */
        .stat-number {
            font-size: 36px;
            line-height: 44px;
            font-weight: 700;
            letter-spacing: 0.01em;
        }

        .stat-label {
            font-size: 15px;
            line-height: 22px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* News list */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            border-radius: 10px;
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition-base);
            text-decoration: none;
        }

        .news-item:hover {
            background-color: #faf8f4;
        }

        .news-thumb {
            width: 100px;
            height: 72px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background-color: #e8e4da;
        }

        @media (max-width: 640px) {
            .news-thumb {
                width: 80px;
                height: 60px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
        }

        .news-title {
            font-size: 17px;
            line-height: 26px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px 0;
        }

        .news-summary {
            font-size: 14px;
            line-height: 22px;
            color: var(--color-text-secondary);
            margin: 0 0 10px 0;
        }

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

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 0;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 17px;
            line-height: 26px;
            font-weight: 600;
            color: var(--color-text-inverse);
            text-align: left;
            transition: color var(--transition-base);
        }

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

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

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-secondary);
            transition: transform var(--transition-base);
        }

        .faq-icon.open {
            transform: rotate(45deg);
        }

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

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

        .faq-answer-inner {
            font-size: 15px;
            line-height: 26px;
            color: rgba(255, 255, 255, 0.8);
        }

        /* Price card */
        .price-card {
            position: relative;
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 32px 28px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .price-card.featured {
            border-color: var(--color-secondary);
            box-shadow: 0 14px 32px rgba(201, 151, 63, 0.18);
        }

        .price-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--color-secondary);
            color: #ffffff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 16px;
            white-space: nowrap;
        }

        .price-amount {
            font-size: 42px;
            line-height: 50px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 8px 0;
        }

        /* Review */
        .review-card {
            background-color: var(--color-card);
            border-radius: 10px;
            border: 1px solid var(--color-border);
            padding: 20px;
            min-width: 260px;
            flex-shrink: 0;
            scroll-snap-align: start;
        }

        .review-stars {
            color: var(--color-secondary);
            letter-spacing: 2px;
            font-size: 14px;
        }

        /* Comparison */
        .compare-col {
            border-radius: 10px;
            padding: 24px;
            border: 1px solid var(--color-border);
            background-color: var(--color-card);
        }

        .compare-col.positive {
            border-left: 4px solid #4a7a4e;
        }

        .compare-col.negative {
            border-left: 4px solid var(--color-accent);
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 56px;
            padding-bottom: 24px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            line-height: 24px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
            padding: 3px 0;
            text-decoration: none;
        }

        .footer-link:hover {
            color: var(--color-secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition-base);
        }

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

        /* Image placeholder */
        .img-placeholder {
            background-color: #e8e4da;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #a19b8d;
            font-size: 13px;
            font-weight: 500;
            width: 100%;
            height: 100%;
        }

        /* Smooth scroll for anchor */
        .scroll-anchor {
            scroll-margin-top: 80px;
        }

        /* Mobile adjustments */
        @media (max-width: 640px) {
            .price-amount {
                font-size: 32px;
                line-height: 40px;
            }
            .review-card {
                min-width: 220px;
            }
            .stat-number {
                font-size: 28px;
                line-height: 36px;
            }
        }

@media (max-width: 640px) {
                section #trust-stats {
                    grid-template-columns: repeat(2, 1fr);
                    gap: 16px;
                }
                .stat-number {
                    font-size: 26px;
                    line-height: 32px;
                }
            }

@media (max-width: 768px) {
                    section #abilities-grid {
                        display: grid;
                        grid-template-columns: 1fr;
                        gap: 24px;
                    }
                    .card-padding {
                        padding: 20px;
                    }
                }

@media (max-width: 768px) {
                    section #scene-grid {
                        display: grid;
                        grid-template-columns: 1fr;
                        gap: 24px;
                    }
                }

@media (max-width: 768px) {
                    #panel-demo-grid {
                        grid-template-columns: 1fr;
                        gap: 16px;
                    }
                }

@media (max-width: 768px) {
                    section#about .grid {
                        display: block;
                    }
                }

@media (max-width: 768px) {
                    #pricing-grid {
                        display: grid;
                        grid-template-columns: 1fr;
                        gap: 24px;
                    }
                }

@media (max-width: 768px) {
                    #safety-grid {
                        display: grid;
                        grid-template-columns: repeat(2, 1fr);
                        gap: 16px;
                    }
                }

/* roulang page: category1 */
:root {
            --color-primary: #1b1d24;
            --color-secondary: #c9973f;
            --color-accent: #b8342e;
            --color-bg: #f5f4f0;
            --color-dark: #23262d;
            --color-card: #ffffff;
            --color-text: #212226;
            --color-text-secondary: #5f636c;
            --color-text-inverse: #f2efe9;
            --color-border: #e5e2da;
            --radius-card: 12px;
            --radius-chip: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(27, 29, 36, 0.06);
            --shadow-card-hover: 0 14px 32px rgba(27, 29, 36, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 48px;
            --transition-base: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            letter-spacing: 0.015em;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        button,
        input {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-padding {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }
        .section-title {
            font-size: 30px;
            line-height: 38px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--color-text);
            margin: 0 0 12px 0;
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 30px;
            color: var(--color-text-secondary);
            margin: 0 0 32px 0;
            max-width: 760px;
        }
        .section-subtitle.text-center {
            margin-left: auto;
            margin-right: auto;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-link {
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--color-primary) 0%, #2d3038 100%);
            border-radius: 8px;
            color: var(--color-secondary);
            font-size: 14px;
            font-weight: 700;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
            min-width: 0;
            padding: 4px 0;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 500;
            border-radius: var(--radius-chip);
            border: 1px solid #d6d1c5;
            background-color: #ffffff;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-chip:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }
        .nav-chip:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }
        .nav-chip.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-inverse);
        }
        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background-color: #982a24;
        }
        .nav-cta:focus-visible {
            outline: 3px solid rgba(184, 52, 46, 0.35);
            outline-offset: 2px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 15px;
            line-height: 22px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: #982a24;
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(184, 52, 46, 0.35);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 15px;
            line-height: 22px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            background-color: transparent;
            border: 1px solid #cdc8bb;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }
        .chip-filter {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 13px;
            line-height: 18px;
            font-weight: 500;
            border-radius: var(--radius-chip);
            border: 1px solid #d6d1c5;
            background-color: #ffffff;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .chip-filter:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }
        .chip-filter.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-inverse);
        }
        .card-event {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .card-event:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .card-event-img {
            aspect-ratio: 16 / 9;
            background-color: #e8e4da;
            overflow: hidden;
        }
        .card-event-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .tag-badge {
            display: inline-block;
            padding: 4px 10px;
            font-size: 12px;
            line-height: 18px;
            font-weight: 600;
            border-radius: 4px;
            background-color: rgba(201, 151, 63, 0.14);
            color: #a07830;
        }
        .tag-badge.alt {
            background-color: rgba(184, 52, 46, 0.12);
            color: var(--color-accent);
        }
        .tag-badge.dark {
            background-color: rgba(27, 29, 36, 0.1);
            color: var(--color-primary);
        }
        .topic-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px;
            transition: all var(--transition-base);
            text-decoration: none;
            display: block;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-secondary);
        }
        .brief-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px;
            border-radius: 10px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            margin-bottom: 12px;
            transition: all var(--transition-base);
        }
        .brief-item:hover {
            background-color: #faf8f4;
            border-color: var(--color-secondary);
        }
        .brief-dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--color-secondary);
            margin-top: 8px;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            background-color: var(--color-card);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: all var(--transition-base);
        }
        .faq-question:hover {
            background-color: #faf8f4;
            color: var(--color-secondary);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: -2px;
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 20px;
            color: var(--color-secondary);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px 24px;
            font-size: 15px;
            line-height: 28px;
            color: var(--color-text-secondary);
        }
        .rec-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
            text-decoration: none;
            display: block;
        }
        .rec-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .rec-card-img {
            aspect-ratio: 16 / 9;
            background-color: #e8e4da;
            overflow: hidden;
        }
        .rec-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .site-footer {
            background-color: var(--color-dark);
            color: var(--color-text-inverse);
            padding: 48px 0 24px 0;
            margin-top: 72px;
        }
        .footer-heading {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 16px;
        }
        .footer-link {
            display: block;
            font-size: 14px;
            line-height: 24px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            transition: color var(--transition-base);
        }
        .footer-link:hover {
            color: var(--color-secondary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--color-secondary);
        }
        .breadcrumb-sep {
            color: #b8b4a8;
        }
        .cta-panel {
            background-color: var(--color-dark);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            color: var(--color-text-inverse);
        }
        .cta-panel h2 {
            color: var(--color-text-inverse);
            font-size: 30px;
            line-height: 38px;
            font-weight: 700;
            margin: 0 0 16px 0;
        }
        .cta-panel p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            line-height: 28px;
            margin: 0 0 28px 0;
        }
        .image-placeholder {
            background-color: #e8e4da;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #a8a294;
            font-size: 14px;
            letter-spacing: 0.05em;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-padding {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
            .section-title {
                font-size: 24px;
                line-height: 32px;
            }
            .header-inner {
                height: 56px;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 12px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .cta-panel h2 {
                font-size: 24px;
                line-height: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .logo-link {
                font-size: 16px;
                gap: 6px;
            }
            .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .nav-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
            .nav-cta {
                padding: 6px 10px;
                font-size: 11px;
            }
            .header-inner {
                gap: 8px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1b1d24;
            --color-secondary: #c9973f;
            --color-accent: #b8342e;
            --color-bg: #f5f4f0;
            --color-dark: #23262d;
            --color-card: #ffffff;
            --color-text: #212226;
            --color-text-secondary: #5f636c;
            --color-text-inverse: #f2efe9;
            --color-border: #e5e2da;
            --radius-card: 12px;
            --radius-chip: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(27, 29, 36, 0.06);
            --shadow-card-hover: 0 14px 32px rgba(27, 29, 36, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 48px;
            --transition-base: 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            letter-spacing: 0.015em;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-padding {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        @media (max-width: 640px) {
            .section-padding {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
        }

        .section-title {
            font-size: 30px;
            line-height: 38px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--color-text);
            margin: 0 0 12px 0;
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 24px;
                line-height: 32px;
            }
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 30px;
            color: var(--color-text-secondary);
            margin: 0 0 32px 0;
            max-width: 760px;
        }

        .section-subtitle.text-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo-link {
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--color-primary) 0%, #2d3038 100%);
            border-radius: 8px;
            color: var(--color-secondary);
            font-size: 14px;
            font-weight: 700;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
            min-width: 0;
            padding: 4px 0;
        }

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

        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 500;
            border-radius: var(--radius-chip);
            border: 1px solid #d6d1c5;
            background-color: #ffffff;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-chip:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        .nav-chip:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .nav-chip.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-inverse);
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: #982a24;
        }

        .nav-cta:focus-visible {
            outline: 3px solid rgba(184, 52, 46, 0.35);
            outline-offset: 2px;
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
                gap: 8px;
            }
            .logo-link {
                font-size: 16px;
            }
            .logo-mark {
                width: 26px;
                height: 26px;
                font-size: 12px;
            }
            .nav-chip {
                padding: 6px 12px;
                font-size: 13px;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .logo-link {
                font-size: 15px;
                gap: 5px;
            }
            .nav-tabs {
                max-width: 55vw;
            }
            .nav-chip {
                padding: 5px 10px;
                font-size: 12px;
            }
            .nav-cta {
                padding: 7px 10px;
                font-size: 12px;
            }
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 15px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: #982a24;
            box-shadow: 0 6px 16px rgba(184, 52, 46, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(184, 52, 46, 0.35);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 23px;
            font-size: 15px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: transparent;
            border: 1px solid #cdc8bb;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(201, 151, 63, 0.3);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 23px;
            font-size: 15px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }

        /* Cards */
        .card-base {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

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

        /* Guide list item */
        .guide-list-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            margin-bottom: 16px;
        }

        .guide-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .guide-list-item .guide-thumb {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            border-radius: 8px;
            overflow: hidden;
            background-color: #e8e4da;
        }

        .guide-list-item .guide-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .guide-list-item .guide-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            line-height: 18px;
            border-radius: 12px;
            background-color: #f0ede4;
            color: var(--color-secondary);
            font-weight: 500;
            margin-bottom: 8px;
            border: 1px solid #ddd8c8;
        }

        .guide-list-item .guide-title {
            font-size: 17px;
            line-height: 26px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 6px 0;
        }

        .guide-list-item .guide-excerpt {
            font-size: 14px;
            line-height: 22px;
            color: var(--color-text-secondary);
            margin: 0 0 8px 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-list-item .guide-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #8a8e96;
        }

        .guide-list-item .guide-readmore {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-secondary);
            cursor: pointer;
            transition: color var(--transition-base);
            text-decoration: none;
        }

        .guide-list-item .guide-readmore:hover {
            color: #a87d2e;
        }

        @media (max-width: 640px) {
            .guide-list-item {
                flex-direction: column;
                padding: 14px;
                gap: 12px;
            }
            .guide-list-item .guide-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* Info side panel */
        .side-panel {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 20px;
            margin-bottom: 20px;
        }

        .side-panel .side-heading {
            font-size: 15px;
            line-height: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px 0;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--color-border);
        }

        .side-panel .side-item {
            display: block;
            padding: 8px 0;
            font-size: 14px;
            line-height: 22px;
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-base);
            border-bottom: 1px solid #f0ede4;
        }

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

        .side-panel .side-item:hover {
            color: var(--color-secondary);
        }

        /* Filter chips */
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 13px;
            line-height: 18px;
            font-weight: 500;
            border-radius: var(--radius-chip);
            border: 1px solid #d6d1c5;
            background-color: #ffffff;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        .filter-chip.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-inverse);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition-base);
        }

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

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.3);
        }

        .breadcrumb .current {
            color: var(--color-secondary);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 8px;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 16px 8px;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            line-height: 24px;
            font-weight: 600;
            color: var(--color-text);
            transition: color var(--transition-base);
            font-family: inherit;
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-secondary);
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 8px;
            font-size: 15px;
            line-height: 28px;
            color: var(--color-text-secondary);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 16px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-text-inverse);
            padding-top: 48px;
            padding-bottom: 24px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-text-inverse);
        }

        .footer-link {
            display: block;
            font-size: 14px;
            line-height: 28px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition-base);
            margin-bottom: 4px;
        }

        .footer-link:hover {
            color: var(--color-secondary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            text-decoration: none;
            transition: color var(--transition-base);
        }

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

        /* Dark block */
        .dark-block {
            background-color: var(--color-dark);
            color: var(--color-text-inverse);
        }

        /* Category H1 block */
        .category-hero {
            background-color: var(--color-dark);
            color: var(--color-text-inverse);
            padding-top: 56px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .category-hero h1 {
            font-size: 36px;
            line-height: 48px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--color-text-inverse);
            margin: 0 0 12px 0;
        }

        @media (max-width: 640px) {
            .category-hero h1 {
                font-size: 26px;
                line-height: 36px;
            }
        }

        .category-hero .hero-desc {
            font-size: 16px;
            line-height: 28px;
            color: rgba(255, 255, 255, 0.65);
            max-width: 720px;
            margin: 0;
        }

        /* Brief news item */
        .brief-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid #f0ede4;
        }

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

        .brief-dot {
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-secondary);
            margin-top: 9px;
        }

        .brief-text {
            font-size: 14px;
            line-height: 22px;
            color: var(--color-text);
        }

        /* Related card */
        .related-card {
            display: block;
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            text-decoration: none;
            color: inherit;
        }

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

        .related-card .related-thumb {
            width: 100%;
            height: 160px;
            background-color: #e8e4da;
            overflow: hidden;
        }

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

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

        .related-card .related-title {
            font-size: 15px;
            line-height: 22px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 6px 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .related-tag {
            display: inline-block;
            font-size: 12px;
            line-height: 18px;
            color: var(--color-secondary);
            font-weight: 500;
        }

/* roulang page: category3 */
:root {
            --color-primary: #1b1d24;
            --color-secondary: #c9973f;
            --color-accent: #b8342e;
            --color-bg: #f5f4f0;
            --color-dark: #23262d;
            --color-card: #ffffff;
            --color-text: #212226;
            --color-text-secondary: #5f636c;
            --color-text-inverse: #f2efe9;
            --color-border: #e5e2da;
            --radius-card: 12px;
            --radius-chip: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(27, 29, 36, 0.06);
            --shadow-card-hover: 0 14px 32px rgba(27, 29, 36, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 48px;
            --transition-base: 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            letter-spacing: 0.015em;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-padding {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
            .section-title {
                font-size: 24px;
                line-height: 32px;
            }
            .header-inner {
                height: 56px;
            }
        }

        .section-padding {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        .section-title {
            font-size: 30px;
            line-height: 38px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--color-text);
            margin: 0 0 12px 0;
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 30px;
            color: var(--color-text-secondary);
            margin: 0 0 32px 0;
            max-width: 760px;
        }

        .section-subtitle.text-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        @media (max-width: 640px) {
            .header-inner {
                height: 56px;
            }
        }

        .logo-link {
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--color-primary) 0%, #2d3038 100%);
            border-radius: 8px;
            color: var(--color-secondary);
            font-size: 14px;
            font-weight: 700;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
            min-width: 0;
            padding: 4px 0;
        }

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

        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 500;
            border-radius: var(--radius-chip);
            border: 1px solid #d6d1c5;
            background-color: #ffffff;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-chip:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        .nav-chip:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .nav-chip.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-inverse);
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: #982a24;
        }

        .nav-cta:focus-visible {
            outline: 3px solid rgba(184, 52, 46, 0.35);
            outline-offset: 2px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }

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

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

        .breadcrumb .separator {
            color: #b5aea0;
            user-select: none;
        }

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

        /* Filter chips */
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 13px;
            line-height: 18px;
            font-weight: 500;
            border-radius: var(--radius-chip);
            border: 1px solid #d6d1c5;
            background-color: #ffffff;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        .filter-chip:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .filter-chip.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-inverse);
        }

        /* Data insight list item */
        .data-list-item {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 24px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            margin-bottom: 20px;
        }

        .data-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .data-list-thumb {
            width: 220px;
            height: 140px;
            border-radius: 8px;
            overflow: hidden;
            background-color: #e8e4da;
            flex-shrink: 0;
        }

        .data-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .data-list-body {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .data-list-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }

        .data-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 12px;
            line-height: 18px;
            font-weight: 500;
            border-radius: 12px;
            background-color: #faf8f4;
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
        }

        .data-tag.hot {
            background-color: #fdf4ed;
            border-color: #f0d9c8;
            color: #b8342e;
        }

        .data-list-title {
            font-size: 18px;
            line-height: 28px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 6px 0;
        }

        .data-list-desc {
            font-size: 14px;
            line-height: 24px;
            color: var(--color-text-secondary);
            margin: 0 0 12px 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .data-list-footer {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: auto;
        }

        .data-list-date {
            font-size: 13px;
            color: #8a8d94;
        }

        .data-list-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-secondary);
            transition: color var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .data-list-link:hover {
            color: #a87b2d;
        }

        .data-list-link:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .data-metric-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--color-border);
        }

        .data-metric {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

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

        /* View more row */
        .view-more-row {
            display: flex;
            justify-content: center;
            padding-top: 12px;
        }

        .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1px solid #cdc8bb;
            background-color: transparent;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .btn-view-more:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

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

        /* Topic aggregates */
        .topic-card {
            display: block;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            text-decoration: none;
        }

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

        .topic-card:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .topic-card h4 {
            font-size: 17px;
            line-height: 26px;
            font-weight: 600;
            margin: 0 0 8px 0;
            color: var(--color-text);
        }

        .topic-card p {
            font-size: 14px;
            line-height: 24px;
            color: var(--color-text-secondary);
            margin: 0;
        }

        .topic-card .topic-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background-color: #faf8f4;
            border: 1px solid var(--color-border);
            margin-bottom: 14px;
            font-size: 18px;
        }

        /* Brief bulletin */
        .bulletin-list {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .bulletin-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition-base);
        }

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

        .bulletin-item:hover {
            background-color: #faf8f4;
        }

        .bulletin-dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--color-secondary);
            margin-top: 8px;
        }

        .bulletin-text {
            flex: 1;
            font-size: 14px;
            line-height: 24px;
            color: var(--color-text);
        }

        .bulletin-date {
            flex-shrink: 0;
            font-size: 13px;
            color: #8a8d94;
            white-space: nowrap;
        }

        /* FAQ */
        .faq-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            background-color: transparent;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: background-color var(--transition-base);
        }

        .faq-question:hover {
            background-color: #faf8f4;
        }

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

        .faq-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: #f5f4f0;
            color: var(--color-text-secondary);
            font-size: 16px;
            transition: transform var(--transition-base), background-color var(--transition-base), color var(--transition-base);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-answer-inner {
            font-size: 15px;
            line-height: 28px;
            color: var(--color-text-secondary);
            padding-bottom: 18px;
        }

        .faq-item.open .faq-answer {
            max-height: 240px;
            padding-top: 0;
        }

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

        /* Related cards */
        .related-card {
            display: flex;
            flex-direction: column;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            text-decoration: none;
        }

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

        .related-card:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .related-card-img {
            width: 100%;
            height: 160px;
            background-color: #e8e4da;
            overflow: hidden;
        }

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

        .related-card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-title {
            font-size: 16px;
            line-height: 24px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 6px 0;
        }

        .related-card-desc {
            font-size: 13px;
            line-height: 22px;
            color: var(--color-text-secondary);
            margin: 0 0 10px 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-meta {
            margin-top: auto;
            font-size: 12px;
            color: #8a8d94;
        }

        /* CTA section */
        .cta-section {
            background-color: var(--color-dark);
            border-radius: var(--radius-card);
            padding: 44px 32px;
            text-align: center;
            color: var(--color-text-inverse);
        }

        .cta-section h2 {
            font-size: 28px;
            line-height: 38px;
            font-weight: 700;
            margin: 0 0 12px 0;
            color: var(--color-text-inverse);
        }

        .cta-section p {
            font-size: 15px;
            line-height: 28px;
            color: rgba(242, 239, 233, 0.75);
            margin: 0 0 24px 0;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .btn-primary-cta:hover {
            background-color: #982a24;
        }

        .btn-primary-cta:focus-visible {
            outline: 3px solid rgba(184, 52, 46, 0.35);
            outline-offset: 2px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-text-inverse);
            padding: 48px 0 24px 0;
            margin-top: 0;
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--color-text-inverse);
        }

        .footer-link {
            display: block;
            font-size: 14px;
            line-height: 24px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 6px;
            transition: color var(--transition-base);
        }

        .footer-link:hover {
            color: var(--color-secondary);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

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

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

        /* Responsive adjustments */
        @media (max-width: 1024px) {
            .data-list-item {
                grid-template-columns: 180px 1fr;
            }
            .data-list-thumb {
                width: 180px;
                height: 120px;
            }
        }

        @media (max-width: 768px) {
            .data-list-item {
                grid-template-columns: 1fr;
            }
            .data-list-thumb {
                width: 100%;
                height: 180px;
            }
            .section-title {
                font-size: 26px;
                line-height: 34px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 24px;
                line-height: 32px;
            }
        }

        @media (max-width: 520px) {
            .data-list-thumb {
                height: 150px;
            }
            .data-list-item {
                padding: 14px;
                gap: 16px;
            }
            .data-list-title {
                font-size: 17px;
                line-height: 26px;
            }
            .bulletin-item {
                flex-wrap: wrap;
                gap: 6px;
                padding: 12px 14px;
            }
            .bulletin-date {
                width: 100%;
                padding-left: 22px;
            }
        }

@media (max-width: 1024px) {
                        .topic-card {
                            padding: 18px;
                        }
                    }
                    @media (max-width: 768px) {
                        .topic-card {
                            padding: 16px;
                        }
                    }

/* 响应式覆盖：确保专题聚合在移动端显示正确 */
                    @media (max-width: 768px) {
                        #topic-grid {
                            grid-template-columns: 1fr 1fr !important;
                            gap: 14px;
                        }
                    }
                    @media (max-width: 520px) {
                        #topic-grid {
                            grid-template-columns: 1fr !important;
                        }
                    }

@media (max-width: 768px) {
                        .data-list-item {
                            grid-template-columns: 1fr;
                        }
                        .related-card-img {
                            height: 140px;
                        }
                        #topic-grid,
                        .related-grid {
                            grid-template-columns: 1fr !important;
                        }
                        .related-card {
                            margin-bottom: 16px;
                        }
                        #topic-grid {
                            gap: 14px;
                        }
                    }
                    @media (max-width: 520px) {
                        .data-list-thumb {
                            height: 130px;
                        }
                    }

/* roulang page: category4 */
:root {
            --color-primary: #1b1d24;
            --color-secondary: #c9973f;
            --color-accent: #b8342e;
            --color-bg: #f5f4f0;
            --color-dark: #23262d;
            --color-card: #ffffff;
            --color-text: #212226;
            --color-text-secondary: #5f636c;
            --color-text-inverse: #f2efe9;
            --color-border: #e5e2da;
            --radius-card: 12px;
            --radius-chip: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(27, 29, 36, 0.06);
            --shadow-card-hover: 0 14px 32px rgba(27, 29, 36, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 48px;
            --transition-base: 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            letter-spacing: 0.015em;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        .section-title {
            font-size: 30px;
            line-height: 38px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--color-text);
            margin: 0 0 12px 0;
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 30px;
            color: var(--color-text-secondary);
            margin: 0 0 32px 0;
            max-width: 760px;
        }

        .section-subtitle.text-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo-link {
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--color-primary) 0%, #2d3038 100%);
            border-radius: 8px;
            color: var(--color-secondary);
            font-size: 14px;
            font-weight: 700;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
            min-width: 0;
            padding: 4px 0;
        }

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

        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 500;
            border-radius: var(--radius-chip);
            border: 1px solid #d6d1c5;
            background-color: #ffffff;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-chip:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        .nav-chip:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .nav-chip.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-inverse);
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: #982a24;
        }

        .nav-cta:focus-visible {
            outline: 3px solid rgba(184, 52, 46, 0.35);
            outline-offset: 2px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

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

        .breadcrumb .separator {
            color: #c5bfb0;
        }

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

        /* Category H1 */
        .category-hero {
            padding-top: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 24px;
        }

        .category-h1 {
            font-size: 36px;
            line-height: 48px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--color-text);
            margin: 0 0 12px 0;
        }

        .category-description {
            font-size: 16px;
            line-height: 30px;
            color: var(--color-text-secondary);
            max-width: 860px;
            margin: 0;
        }

        /* Filter chips */
        .filter-chips {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 13px;
            line-height: 18px;
            font-weight: 500;
            border-radius: var(--radius-chip);
            border: 1px solid #d6d1c5;
            background-color: #ffffff;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        .filter-chip.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-inverse);
        }

        /* News list - mixed layout */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 20px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

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

        .news-item-image {
            position: relative;
            height: 100%;
            min-height: 180px;
            background-color: #e8e4da;
            overflow: hidden;
        }

        .news-item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .news-item-content {
            padding: 20px 24px 20px 0;
            display: flex;
            flex-direction: column;
        }

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .news-item-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 12px;
            line-height: 18px;
            font-weight: 500;
            border-radius: 12px;
            background-color: rgba(201, 151, 63, 0.1);
            color: var(--color-secondary);
        }

        .news-item-title {
            font-size: 18px;
            line-height: 26px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px 0;
            transition: color var(--transition-base);
        }

        .news-item-title a:hover {
            color: var(--color-secondary);
        }

        .news-item-summary {
            font-size: 14px;
            line-height: 22px;
            color: var(--color-text-secondary);
            margin: 0 0 16px 0;
            flex-grow: 1;
        }

        .news-item-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-base);
            align-self: flex-start;
        }

        .news-item-link:hover {
            color: #982a24;
        }

        /* Load more */
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 14px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1px solid #cdc8bb;
            background-color: transparent;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            margin-top: 24px;
        }

        .load-more-btn:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        /* Topic aggregation */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .topic-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

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

        .topic-card-icon {
            font-size: 24px;
            margin-bottom: 12px;
            display: block;
        }

        .topic-card-title {
            font-size: 16px;
            line-height: 24px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px 0;
        }

        .topic-card-desc {
            font-size: 14px;
            line-height: 22px;
            color: var(--color-text-secondary);
            margin: 0 0 12px 0;
        }

        .topic-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .topic-card-link:hover {
            color: var(--color-accent);
        }

        /* Brief section */
        .brief-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .brief-item {
            padding: 16px 24px;
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition-base);
        }

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

        .brief-item:hover {
            background-color: #faf8f4;
        }

        .brief-item-time {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-right: 12px;
            font-weight: 500;
        }

        .brief-item-text {
            font-size: 14px;
            color: var(--color-text);
            line-height: 22px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 16px;
            line-height: 26px;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-base);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--color-text-secondary);
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--color-secondary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px 24px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 24px;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* Related */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .related-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            text-decoration: none;
            display: block;
        }

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

        .related-card-image {
            height: 140px;
            background-color: #e8e4da;
            overflow: hidden;
        }

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

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

        .related-card-title {
            font-size: 14px;
            line-height: 22px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-date {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        /* CTA */
        .cta-section {
            background-color: var(--color-dark);
            color: var(--color-text-inverse);
        }

        .cta-title {
            font-size: 28px;
            line-height: 38px;
            font-weight: 700;
            color: var(--color-text-inverse);
            margin: 0 0 12px 0;
        }

        .cta-desc {
            font-size: 15px;
            line-height: 26px;
            color: rgba(242, 239, 233, 0.7);
            margin: 0 0 24px 0;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 12px 28px;
            font-size: 15px;
            line-height: 20px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background-color: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .cta-btn:hover {
            background-color: #982a24;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-text-inverse);
            padding-top: 48px;
            padding-bottom: 24px;
            margin-top: 0;
        }

        .footer-heading {
            font-size: 15px;
            line-height: 22px;
            font-weight: 600;
            margin: 0 0 16px 0;
            color: rgba(242, 239, 233, 0.85);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            line-height: 28px;
            color: rgba(242, 239, 233, 0.55);
            text-decoration: none;
            transition: color var(--transition-base);
            margin-bottom: 4px;
        }

        .footer-link:hover {
            color: var(--color-secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(242, 239, 233, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(242, 239, 233, 0.4);
        }

        .footer-bottom a {
            color: rgba(242, 239, 233, 0.4);
            text-decoration: none;
            transition: color var(--transition-base);
        }

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

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

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
                gap: 12px;
            }
            .logo-link {
                font-size: 17px;
            }
            .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .nav-chip {
                padding: 6px 12px;
                font-size: 13px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-padding {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
            .section-title {
                font-size: 24px;
                line-height: 32px;
            }
            .category-h1 {
                font-size: 28px;
                line-height: 38px;
            }
            .news-item {
                grid-template-columns: 1fr;
            }
            .news-item-image {
                min-height: 200px;
            }
            .news-item-content {
                padding: 16px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-title {
                font-size: 24px;
                line-height: 32px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 52px;
                gap: 8px;
            }
            .logo-link {
                font-size: 15px;
            }
            .logo-mark {
                width: 24px;
                height: 24px;
                font-size: 11px;
                border-radius: 6px;
            }
            .nav-chip {
                padding: 5px 10px;
                font-size: 12px;
            }
            .nav-cta {
                padding: 6px 12px;
                font-size: 12px;
                border-radius: 8px;
            }
            .category-h1 {
                font-size: 24px;
                line-height: 32px;
            }
            .filter-chip {
                padding: 6px 14px;
                font-size: 12px;
            }
            .brief-item {
                padding: 12px 16px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px 16px;
            }
        }