/* roulang page: index */
:root {
            --primary: #0F2219;
            --primary-dark: #0A1813;
            --primary-light: #1B3A2D;
            --accent: #D4AF37;
            --accent-highlight: #F0CD5E;
            --cta: #E5484D;
            --cta-hover: #c93a3f;
            --bg-light: #F7F5F0;
            --text-dark: #1F221D;
            --text-light: #F5F1E8;
            --border-light: #D8D2C4;
            --border-dark: #2E4638;
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "DIN Alternate", "Barlow", "Roboto Mono", monospace;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-light: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.35);
            --transition: all 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .font-num {
            font-family: var(--font-num);
        }

        .container-custom {
            max-width: 72rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 24, 19, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 24, 19, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        @media (min-width: 768px) {
            .nav-container {
                height: 72px;
            }
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: var(--font-num);
            letter-spacing: -0.02em;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links a {
            position: relative;
            color: #d8d2c4;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: var(--transition);
        }

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

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            color: var(--text-light);
            cursor: pointer;
            font-size: 1.25rem;
            transition: var(--transition);
        }

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

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        .mobile-menu {
            display: none;
            background: var(--primary-dark);
            border-top: 1px solid var(--border-dark);
            padding: 1rem 1rem 1.5rem;
            list-style: none;
            margin: 0;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.75rem 0;
            color: #d8d2c4;
            font-size: 0.9375rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(46, 70, 56, 0.5);
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            color: var(--accent);
            padding-left: 0.5rem;
        }

        /* Hero */
        .hero-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            min-height: 80vh;
            display: flex;
            align-items: center;
            padding: 4rem 0;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/bab849d55558277b.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(15, 34, 25, 0.7) 0%, rgba(10, 24, 19, 0.92) 70%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .hero-content {
                grid-template-columns: 1.1fr 0.9fr;
                gap: 3rem;
            }
        }

        .hero-text h1 {
            color: var(--text-light);
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .hero-text h1 {
                font-size: 3rem;
                line-height: 1.2;
            }
        }

        @media (min-width: 1024px) {
            .hero-text h1 {
                font-size: 3.5rem;
            }
        }

        .hero-text p {
            color: #c5c0b5;
            font-size: 1rem;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 1.75rem;
        }

        @media (min-width: 768px) {
            .hero-text p {
                font-size: 1.125rem;
            }
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.875rem;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--cta-hover);
            transform: scale(1.03);
            color: #fff;
        }

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

        .btn-outline-gold:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: scale(1.03);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .hero-data-card {
            background: rgba(27, 58, 45, 0.85);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            color: var(--text-light);
            box-shadow: var(--shadow-dark);
            backdrop-filter: blur(6px);
        }

        .hero-data-card .data-title {
            font-size: 0.8125rem;
            color: #a8a59b;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.75rem;
        }

        .hero-data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .hero-data-item {
            text-align: center;
            flex: 1;
            min-width: 60px;
        }

        .hero-data-item .num {
            font-family: var(--font-num);
            font-size: 1.625rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }

        .hero-data-item .label {
            font-size: 0.75rem;
            color: #a8a59b;
            display: block;
            margin-top: 0.25rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: rgba(212, 175, 55, 0.15);
            border: 1px solid rgba(212, 175, 55, 0.35);
            color: var(--accent);
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 1rem;
        }

        /* Section通用 */
        .section {
            padding: 4rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }

        .section-dark {
            background: var(--primary-dark);
            color: var(--text-light);
        }

        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }

        .section-title {
            font-size: 1.625rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 0.875rem;
            letter-spacing: 0.01em;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        .section-subtitle {
            font-size: 1rem;
            color: #6b6b60;
            line-height: 1.85;
            max-width: 720px;
        }

        .section-dark .section-subtitle {
            color: #b8b3a8;
        }

        /* 卡片 */
        .card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            transition: var(--transition);
            overflow: hidden;
        }

        .card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .card-dark {
            background: var(--primary-light);
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
        }

        .card-dark:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .badge-gold {
            background: rgba(212, 175, 55, 0.12);
            color: var(--accent);
            border: 1px solid rgba(212, 175, 55, 0.3);
        }

        .badge-green {
            background: rgba(27, 58, 45, 0.1);
            color: var(--primary);
            border: 1px solid rgba(27, 58, 45, 0.2);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: inherit;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: #6b6b60;
            font-size: 0.9375rem;
            line-height: 1.8;
            padding: 0 1.5rem 0 0;
        }

        .faq-answer.open {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }

        .faq-icon {
            font-size: 1rem;
            transition: transform 0.3s ease;
        }

        .faq-question.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }

        /* 数据条 */
        .data-strip {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            overflow-x: auto;
            padding: 1rem 0;
            scrollbar-width: thin;
            scrollbar-color: var(--border-dark) transparent;
        }

        .data-strip-item {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
            min-width: 100px;
            flex-shrink: 0;
        }

        .data-strip-item .num {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .data-strip-item .lbl {
            font-size: 0.75rem;
            color: #a8a59b;
            white-space: nowrap;
        }

        /* 底部固定转化条 */
        .floating-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: rgba(10, 24, 19, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--border-dark);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
            transform: translateY(100%);
            transition: transform 0.4s ease;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 0.75rem 1rem;
        }

        @media (min-width: 768px) {
            .floating-cta {
                padding: 0.875rem 2rem;
            }
        }

        .floating-cta.visible {
            transform: translateY(0);
        }

        .floating-cta .close-btn {
            background: transparent;
            border: none;
            color: #a8a59b;
            cursor: pointer;
            font-size: 1.125rem;
            padding: 0.25rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .floating-cta .close-btn:hover {
            color: var(--text-light);
        }

        .floating-cta-text {
            color: var(--text-light);
            font-size: 0.875rem;
            font-weight: 500;
            line-height: 1.4;
        }

        .floating-cta-text strong {
            color: var(--accent);
            font-weight: 700;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary-dark);
            color: #b8b3a8;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid var(--border-dark);
        }

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

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            }
        }

        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.5rem;
        }

        .footer-links-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-light);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.875rem;
        }

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

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

        .footer-links a {
            color: #b8b3a8;
            font-size: 0.875rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 0.25rem;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            font-size: 0.8125rem;
            color: #8a857a;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                flex-wrap: wrap;
            }
        }

        .footer-bottom a {
            color: #8a857a;
            transition: var(--transition);
        }

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

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8125rem;
            color: #a8a59b;
            padding: 0.5rem 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: #a8a59b;
            transition: var(--transition);
        }

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

        .breadcrumb .sep {
            color: #4a4a42;
            font-size: 0.75rem;
        }

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

        /* 表格 */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.875rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-light);
        }

        .compare-table th {
            background: var(--primary-dark);
            color: var(--text-light);
            font-weight: 600;
            padding: 0.875rem 1rem;
            text-align: left;
            font-size: 0.8125rem;
            letter-spacing: 0.04em;
        }

        .compare-table td {
            padding: 0.875rem 1rem;
            border-bottom: 1px solid var(--border-light);
            background: #fff;
        }

        .compare-table tr:nth-child(even) td {
            background: #faf9f6;
        }

        .compare-table tr:hover td {
            background: #f5f0e6;
        }

        /* 步骤线 */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: relative;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .steps-list li {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
        }

        .step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50%;
            flex-shrink: 0;
            font-family: var(--font-num);
        }

        /* 进度条 */
        .progress-bar {
            width: 100%;
            height: 8px;
            background: rgba(212, 175, 55, 0.15);
            border-radius: 9999px;
            overflow: hidden;
            margin-top: 0.5rem;
        }

        .progress-bar-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 9999px;
            transition: width 0.6s ease;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.625rem;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 0.375rem 1rem;
            background: rgba(27, 58, 45, 0.06);
            border: 1px solid var(--border-light);
            border-radius: 9999px;
            font-size: 0.8125rem;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .tag-cloud a:hover {
            background: var(--primary);
            color: var(--text-light);
            border-color: var(--primary);
        }

        /* focus可访问性 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* 响应式工具 */
        .grid-responsive {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .grid-responsive.two-col {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .grid-responsive.three-col {
                grid-template-columns: repeat(3, 1fr);
            }

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

        @media (max-width: 639px) {
            .hero-section {
                min-height: auto;
                padding: 3rem 0;
            }

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

            .floating-cta {
                padding: 0.625rem 0.75rem;
                gap: 0.5rem;
            }

            .floating-cta-text {
                font-size: 0.8125rem;
            }

            .btn {
                padding: 0.625rem 1.25rem;
                font-size: 0.875rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F2219;
            --primary-dark: #0A1813;
            --primary-light: #1B3A2D;
            --accent: #D4AF37;
            --accent-highlight: #F0CD5E;
            --cta: #E5484D;
            --cta-hover: #c93a3f;
            --bg-light: #F7F5F0;
            --text-dark: #1F221D;
            --text-light: #F5F1E8;
            --border-light: #D8D2C4;
            --border-dark: #2E4638;
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "DIN Alternate", "Barlow", "Roboto Mono", monospace;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-light: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.35);
            --transition: all 0.2s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

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

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

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

        .container-custom {
            max-width: 72rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 24, 19, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 24, 19, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        @media (min-width: 768px) {
            .nav-container {
                height: 72px;
            }
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: var(--font-num);
            letter-spacing: -0.02em;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links a {
            position: relative;
            color: #d8d2c4;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: var(--transition);
        }

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

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            color: var(--text-light);
            cursor: pointer;
            font-size: 1.25rem;
            transition: var(--transition);
        }

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

        @media (min-width: 768px) {
            .hamburger-btn {
                display: none;
            }
        }

        .mobile-menu {
            display: none;
            background: var(--primary-dark);
            border-top: 1px solid var(--border-dark);
            padding: 1rem 1rem 1.5rem;
            list-style: none;
            margin: 0;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.75rem 0;
            color: #d8d2c4;
            font-size: 0.9375rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(46, 70, 56, 0.5);
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            color: var(--accent);
            padding-left: 0.5rem;
        }

        .mobile-menu a.active {
            color: var(--accent);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--primary-dark);
            border-bottom: 1px solid var(--border-dark);
            padding: 0.5rem 0;
        }

        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.8125rem;
            color: #8a9b8e;
            flex-wrap: wrap;
        }

        .breadcrumb-bar .breadcrumb-inner a {
            color: #b5c5b8;
            transition: var(--transition);
        }

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

        .breadcrumb-bar .breadcrumb-inner .separator {
            color: #4a5d50;
            margin: 0 0.15rem;
        }

        .breadcrumb-bar .breadcrumb-inner .current {
            color: var(--accent);
            font-weight: 600;
        }

        /* Section base */
        .section {
            padding: 3rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 4rem 0;
            }
        }

        .section-dark {
            background: var(--primary-dark);
            color: var(--text-light);
        }

        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }

        .section-muted {
            background: #f0ede6;
            color: var(--text-dark);
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 0.75rem;
            color: inherit;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 1.875rem;
            }
        }

        .section-subtitle {
            font-size: 1rem;
            line-height: 1.8;
            color: #6b6a63;
            margin-bottom: 2rem;
        }

        .section-dark .section-subtitle {
            color: #8a9b8e;
        }

        /* Cards */
        .card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            transition: var(--transition);
            overflow: hidden;
        }

        .card:hover {
            border-color: var(--accent);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            transform: translateY(-3px);
        }

        .card-dark {
            background: var(--primary-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-dark);
            color: var(--text-light);
            transition: var(--transition);
            overflow: hidden;
        }

        .card-dark:hover {
            border-color: var(--accent);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
            transform: translateY(-3px);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            line-height: 1.5;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--cta-hover);
            color: #fff;
            transform: scale(1.02);
        }

        .btn-outline-gold {
            background: transparent;
            color: var(--accent);
            border: 1.5px solid var(--accent);
        }

        .btn-outline-gold:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--text-light);
            border: 1.5px solid #4a5d50;
        }

        .btn-outline-light:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-gold {
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent);
            border: 1px solid rgba(212, 175, 55, 0.3);
        }

        .badge-green {
            background: rgba(27, 58, 45, 0.12);
            color: var(--primary-light);
            border: 1px solid rgba(27, 58, 45, 0.25);
        }

        .badge-red {
            background: rgba(229, 72, 77, 0.12);
            color: var(--cta);
            border: 1px solid rgba(229, 72, 77, 0.25);
        }

        /* Number display */
        .num-display {
            font-family: var(--font-num);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--accent);
        }

        /* Grid */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .grid-4 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* Step flow */
        .step-flow {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: relative;
        }

        @media (min-width: 768px) {
            .step-flow {
                flex-direction: row;
                align-items: flex-start;
                gap: 1rem;
            }
        }

        .step-item {
            flex: 1;
            text-align: center;
            padding: 1.5rem 1rem;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: var(--font-num);
            margin-bottom: 0.75rem;
        }

        /* List card */
        .list-card {
            display: flex;
            gap: 1rem;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            padding: 1rem;
            transition: var(--transition);
            align-items: center;
        }

        .list-card:hover {
            border-color: var(--accent);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            transform: translateY(-2px);
        }

        .list-card-img {
            width: 80px;
            height: 80px;
            flex-shrink: 0;
            border-radius: 0.5rem;
            overflow: hidden;
            background: var(--primary-light);
        }

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

        @media (min-width: 640px) {
            .list-card-img {
                width: 100px;
                height: 100px;
            }
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-dark);
            border-radius: 0.75rem;
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: var(--primary-light);
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(212, 175, 55, 0.5);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-light);
            gap: 1rem;
            user-select: none;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--accent);
            font-size: 0.875rem;
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 1.25rem;
            color: #c5d0c7;
            font-size: 0.9375rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-bottom: 1.25rem;
        }

        /* CTA bar */
        .cta-bar {
            background: var(--primary-dark);
            border-top: 1px solid var(--border-dark);
            padding: 1.25rem 0;
        }

        .cta-bar-inner {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            align-items: center;
        }

        @media (min-width: 768px) {
            .cta-bar-inner {
                flex-direction: row;
                justify-content: space-between;
                gap: 2rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #8a9b8e;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid var(--border-dark);
        }

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

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
            }
        }

        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.5rem;
        }

        .footer-links-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

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

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

        .footer-links a {
            color: #8a9b8e;
            font-size: 0.875rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            font-size: 0.8125rem;
            color: #6b7a6e;
            flex-wrap: wrap;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 1rem;
            }
        }

        .footer-bottom a {
            color: #8a9b8e;
            transition: var(--transition);
        }

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

        /* Data strip */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
        }

        @media (min-width: 768px) {
            .data-strip {
                grid-template-columns: repeat(4, 1fr);
                gap: 0;
                border-left: 1px solid var(--border-dark);
            }
        }

        .data-item {
            text-align: center;
            padding: 1rem 0.5rem;
            border-bottom: 1px solid var(--border-dark);
            border-right: 1px solid var(--border-dark);
            margin: 0;
        }

        @media (max-width: 767px) {
            .data-item {
                border: 1px solid var(--border-dark);
                border-radius: 0.5rem;
            }
        }

        .data-label {
            font-size: 0.75rem;
            color: #8a9b8e;
            letter-spacing: 0.03em;
            margin-bottom: 0.25rem;
        }

        .data-value {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .data-value {
                font-size: 1.75rem;
            }
        }

        /* Compact header for category page */
        .category-header {
            background: var(--primary-dark);
            color: var(--text-light);
            padding: 3rem 0 2rem;
            text-align: left;
        }

        .category-header h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 0.75rem;
            color: var(--text-light);
        }

        @media (min-width: 768px) {
            .category-header h1 {
                font-size: 2.5rem;
            }
        }

        .category-header .cat-desc {
            font-size: 1rem;
            line-height: 1.8;
            color: #b5c5b8;
            max-width: 40rem;
        }

        /* Tool card */
        .tool-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            padding: 1.5rem;
            transition: var(--transition);
        }

        .tool-card:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(0, 0, 0, 0.08);
        }

        .tool-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent);
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
        }

        /* Related card */
        .related-card {
            display: flex;
            gap: 1rem;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1rem;
            transition: var(--transition);
            align-items: center;
        }

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

        .related-card-img {
            width: 70px;
            height: 70px;
            flex-shrink: 0;
            border-radius: 0.5rem;
            overflow: hidden;
            background: var(--primary-light);
        }

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

        /* Table */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            font-size: 0.875rem;
        }

        .compare-table thead {
            background: var(--primary-dark);
            color: var(--text-light);
        }

        .compare-table th {
            padding: 0.875rem 1rem;
            text-align: left;
            font-weight: 600;
            font-size: 0.875rem;
            letter-spacing: 0.02em;
        }

        .compare-table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--border-light);
            line-height: 1.6;
        }

        .compare-table tbody tr:nth-child(even) {
            background: #faf8f4;
        }

        .compare-table tbody tr:hover {
            background: rgba(212, 175, 55, 0.06);
        }

        /* Mobile menu overlay */
        @media (max-width: 767px) {
            .mobile-menu {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                z-index: 49;
            }
        }

        /* Focus */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Image card */
        .img-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--primary-light);
            border: 1px solid var(--border-dark);
            aspect-ratio: 16/9;
            position: relative;
        }

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

        .img-card .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 24, 19, 0.7), transparent);
            display: flex;
            align-items: flex-end;
            padding: 1rem;
        }

        .img-card .img-overlay span {
            color: var(--text-light);
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

/* roulang page: category1 */
:root {
            --primary: #0F2219;
            --primary-dark: #0A1813;
            --primary-light: #1B3A2D;
            --accent: #D4AF37;
            --accent-highlight: #F0CD5E;
            --cta: #E5484D;
            --cta-hover: #c93a3f;
            --bg-light: #F7F5F0;
            --text-dark: #1F221D;
            --text-light: #F5F1E8;
            --border-light: #D8D2C4;
            --border-dark: #2E4638;
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "DIN Alternate", "Barlow", "Roboto Mono", monospace;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-light: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.35);
            --transition: all 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container-custom {
            max-width: 72rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 24, 19, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 24, 19, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        @media (min-width: 1024px) {
            .nav-container {
                height: 72px;
            }
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: var(--font-num);
            letter-spacing: -0.02em;
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            position: relative;
            color: #d8d2c4;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            color: var(--text-light);
            cursor: pointer;
            font-size: 1.25rem;
            transition: var(--transition);
        }
        .hamburger-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }
        .mobile-menu {
            display: none;
            background: var(--primary-dark);
            border-top: 1px solid var(--border-dark);
            padding: 1rem 1rem 1.5rem;
            list-style: none;
            margin: 0;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 0.75rem 0;
            color: #d8d2c4;
            font-size: 0.9375rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(46, 70, 56, 0.5);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            color: var(--accent);
            padding-left: 0.5rem;
        }
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 0.75rem 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8125rem;
            color: #6b6a64;
            flex-wrap: wrap;
        }
        .breadcrumb-inner a {
            color: #6b6a64;
            transition: var(--transition);
        }
        .breadcrumb-inner a:hover {
            color: var(--primary);
        }
        .breadcrumb-inner .separator {
            color: #b8b4aa;
            user-select: none;
        }
        .breadcrumb-inner .current-page {
            color: var(--accent);
            font-weight: 600;
        }
        .page-header-compact {
            background: linear-gradient(135deg, #f0ede3 0%, #f8f6f1 50%, #f5f2ea 100%);
            border-bottom: 1px solid var(--border-light);
            padding: 2rem 0 2.25rem;
        }
        .page-header-compact h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.25;
            margin-top: 0.75rem;
            letter-spacing: 0.01em;
        }
        .page-header-compact .lead-text {
            font-size: 1rem;
            color: #4a4a44;
            max-width: 48rem;
            margin-top: 0.75rem;
            line-height: 1.8;
        }
        @media (min-width: 768px) {
            .page-header-compact h1 {
                font-size: 2.25rem;
            }
            .page-header-compact .lead-text {
                font-size: 1.0625rem;
            }
        }
        .section-light {
            background: var(--bg-light);
            padding: 3.5rem 0;
        }
        .section-white {
            background: #fff;
            padding: 3.5rem 0;
        }
        .section-dark {
            background: var(--primary-dark);
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section-light,
            .section-white,
            .section-dark {
                padding: 4.5rem 0;
            }
        }
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.35;
            letter-spacing: 0.01em;
        }
        .section-title.text-light {
            color: var(--text-light);
        }
        .section-subtitle {
            font-size: 0.9375rem;
            color: #6b6a64;
            max-width: 42rem;
            margin-top: 0.75rem;
            line-height: 1.75;
        }
        .section-subtitle.text-light-muted {
            color: #a8a59b;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 1.875rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--cta);
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: var(--cta-hover);
            color: #fff;
            transform: scale(1.03);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-btn);
            border: 2px solid var(--accent);
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }
        .btn-secondary:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .card-hover {
            transition: var(--transition);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            background: #fff;
            box-shadow: var(--shadow-light);
            overflow: hidden;
        }
        .card-hover:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
        }
        .guide-card {
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-cover {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .guide-card .card-cover .category-tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(15, 34, 25, 0.8);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 9999px;
            letter-spacing: 0.03em;
        }
        .guide-card .card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-title {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--primary-dark);
            line-height: 1.5;
        }
        .guide-card .card-title a:hover {
            color: var(--accent);
        }
        .guide-card .card-excerpt {
            font-size: 0.875rem;
            color: #6b6a64;
            margin-top: 0.5rem;
            line-height: 1.7;
            flex: 1;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.75rem;
            color: #9a978f;
            margin-top: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid #efede6;
        }
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: step;
        }
        .step-list li {
            counter-increment: step;
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.25rem 0;
            border-bottom: 1px dashed #d8d2c4;
            position: relative;
        }
        .step-list li:last-child {
            border-bottom: none;
        }
        .step-list li::before {
            content: counter(step);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-family: var(--font-num);
            border-radius: 50%;
            font-size: 1.1rem;
        }
        .step-list .step-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 0 0 0.3rem;
        }
        .step-list .step-content p {
            font-size: 0.875rem;
            color: #6b6a64;
            margin: 0;
            line-height: 1.7;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            background: #fff;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: #c9c4b8;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            cursor: pointer;
            gap: 1rem;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }
        .faq-question h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 0;
            line-height: 1.5;
        }
        .faq-question .faq-icon {
            color: var(--accent);
            font-size: 1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            display: none;
            padding: 0 1.25rem 1.1rem;
            font-size: 0.875rem;
            color: #6b6a64;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .site-footer {
            background: var(--primary-dark);
            padding: 3rem 0 1.5rem;
            color: #a8a59b;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }
        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
        }
        .footer-links-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-light);
            letter-spacing: 0.04em;
            margin-bottom: 0.75rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            font-size: 0.875rem;
            color: #a8a59b;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.75rem 1.25rem;
            font-size: 0.75rem;
            color: #8a8780;
            border-top: 1px solid var(--border-dark);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
        }
        .footer-bottom a {
            color: #8a8780;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .resource-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: var(--transition);
            box-shadow: var(--shadow-light);
        }
        .resource-card:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
        }
        .resource-card .resource-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: #f0ede3;
            border-radius: 12px;
            color: var(--primary);
            font-size: 1.15rem;
            margin-bottom: 1rem;
        }
        .resource-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 0 0 0.4rem;
        }
        .resource-card p {
            font-size: 0.875rem;
            color: #6b6a64;
            margin: 0;
            line-height: 1.7;
        }
        .value-panel {
            background: var(--primary-light);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.25rem;
            box-shadow: var(--shadow-dark);
            border: 1px solid var(--border-dark);
            transition: var(--transition);
        }
        .value-panel:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .value-panel .value-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(212, 175, 55, 0.15);
            border-radius: 10px;
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 0.75rem;
        }
        .value-panel h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            margin: 0 0 0.4rem;
        }
        .value-panel p {
            font-size: 0.875rem;
            color: #b8b5aa;
            margin: 0;
            line-height: 1.7;
        }
        .info-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 9999px;
            letter-spacing: 0.02em;
        }
        .info-badge.badge-gold {
            background: rgba(212, 175, 55, 0.12);
            color: #8a6d1a;
            border: 1px solid rgba(212, 175, 55, 0.35);
        }
        .info-badge.badge-green {
            background: rgba(15, 34, 25, 0.08);
            color: var(--primary);
            border: 1px solid rgba(15, 34, 25, 0.2);
        }
        .info-badge.badge-red {
            background: rgba(229, 72, 77, 0.08);
            color: #b5363a;
            border: 1px solid rgba(229, 72, 77, 0.25);
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .list-check {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .list-check li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 0.5rem 0;
            font-size: 0.9375rem;
            color: #4a4a44;
            line-height: 1.7;
        }
        .list-check li i {
            color: var(--accent);
            font-size: 0.9375rem;
            margin-top: 0.25rem;
            flex-shrink: 0;
        }
        .mobile-only {
            display: block;
        }
        @media (min-width: 1024px) {
            .mobile-only {
                display: none;
            }
        }
        .desktop-only {
            display: none;
        }
        @media (min-width: 1024px) {
            .desktop-only {
                display: block;
            }
        }
        .focus-visible:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

/* roulang page: category4 */
:root {
            --primary: #0F2219;
            --primary-dark: #0A1813;
            --primary-light: #1B3A2D;
            --accent: #D4AF37;
            --accent-highlight: #F0CD5E;
            --cta: #E5484D;
            --cta-hover: #c93a3f;
            --bg-light: #F7F5F0;
            --text-dark: #1F221D;
            --text-light: #F5F1E8;
            --border-light: #D8D2C4;
            --border-dark: #2E4638;
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "DIN Alternate", "Barlow", "Roboto Mono", monospace;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-light: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.35);
            --transition: all 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container-custom {
            max-width: 72rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 24, 19, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 24, 19, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        @media (min-width: 768px) {
            .nav-container {
                height: 72px;
            }
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: var(--font-num);
            letter-spacing: -0.02em;
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            position: relative;
            color: #d8d2c4;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            color: var(--text-light);
            cursor: pointer;
            font-size: 1.25rem;
            transition: var(--transition);
        }
        .hamburger-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        @media (min-width: 768px) {
            .hamburger-btn {
                display: none;
            }
        }
        .mobile-menu {
            display: none;
            background: var(--primary-dark);
            border-top: 1px solid var(--border-dark);
            padding: 1rem 1rem 1.5rem;
            list-style: none;
            margin: 0;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 0.75rem 0;
            color: #d8d2c4;
            font-size: 0.9375rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(46, 70, 56, 0.5);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            color: var(--accent);
            padding-left: 0.5rem;
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--primary-dark);
            border-bottom: 1px solid var(--border-dark);
            padding: 0.75rem 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: #a8a59b;
        }
        .breadcrumb-nav a {
            color: #c4bfb3;
            transition: var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent);
        }
        .breadcrumb-nav .breadcrumb-sep {
            color: #6b7267;
            font-size: 0.75rem;
        }
        .breadcrumb-nav .breadcrumb-current {
            color: var(--accent);
            font-weight: 600;
        }
        /* Category Header */
        .category-header {
            background: var(--primary);
            padding: 3rem 0 2rem;
            border-bottom: 1px solid var(--border-dark);
        }
        @media (min-width: 768px) {
            .category-header {
                padding: 4rem 0 3rem;
            }
        }
        .category-header h1 {
            font-size: 2rem;
            color: var(--text-light);
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        @media (min-width: 768px) {
            .category-header h1 {
                font-size: 2.5rem;
            }
        }
        .category-header .category-intro {
            font-size: 1rem;
            color: #c4bfb3;
            line-height: 1.9;
            max-width: 42rem;
        }
        /* Section base */
        .section-pad {
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding: 5rem 0;
            }
        }
        .section-dark {
            background: var(--primary-dark);
            color: var(--text-light);
        }
        .section-dark-alt {
            background: var(--primary);
            color: var(--text-light);
        }
        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.4;
            margin-bottom: 1rem;
            color: inherit;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }
        .section-subtitle {
            font-size: 1rem;
            color: #6b7267;
            line-height: 1.8;
            max-width: 36rem;
            margin-bottom: 2.5rem;
        }
        .section-dark .section-subtitle {
            color: #a8a59b;
        }
        /* Card */
        .card-base {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            transition: var(--transition);
            overflow: hidden;
        }
        .card-base:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1);
        }
        .card-dark {
            background: var(--primary-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-dark);
            transition: var(--transition);
            overflow: hidden;
        }
        .card-dark:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
        }
        /* Button */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--cta);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--cta);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: var(--cta-hover);
            border-color: var(--cta-hover);
            color: #ffffff;
            transform: scale(1.03);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--accent);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-outline-gold:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: scale(1.03);
        }
        .btn-outline-gold:focus-visible {
            outline: 2px solid var(--accent-highlight);
            outline-offset: 2px;
        }
        /* Badge / Tag */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(212, 175, 55, 0.15);
            color: #8a6d1f;
            border: 1px solid rgba(212, 175, 55, 0.4);
            white-space: nowrap;
        }
        .section-dark .badge-tag,
        .section-dark-alt .badge-tag {
            background: rgba(212, 175, 55, 0.2);
            color: var(--accent-highlight);
            border-color: rgba(212, 175, 55, 0.5);
        }
        .badge-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
           min-width: 2rem;
            height: 2rem;
            padding: 0 0.5rem;
            border-radius: 0.5rem;
            background: rgba(212, 175, 55, 0.15);
            color: #8a6d1f;
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 0.875rem;
            letter-spacing: 0.02em;
            border: 1px solid rgba(212, 175, 55, 0.4);
        }
        .section-dark .badge-num,
        .section-dark-alt .badge-num {
            background: rgba(212, 175, 55, 0.2);
            color: var(--accent-highlight);
            border-color: rgba(212, 175, 55, 0.5);
        }
        /* Community Card */
        .community-card {
            display: flex;
            flex-direction: column;
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            transition: var(--transition);
            overflow: hidden;
        }
        .community-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1);
        }
        .community-card .card-cover {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }
        .community-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            flex: 1;
        }
        .community-card .card-title {
            font-size: 1.0625rem;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .community-card .card-title:hover {
            color: var(--accent);
        }
        .community-card .card-excerpt {
            font-size: 0.875rem;
            color: #6b7267;
            line-height: 1.8;
            flex: 1;
        }
        .community-card .card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.75rem;
            color: #999c95;
        }
        .community-card .card-meta .avatar-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.75rem;
            font-family: var(--font-num);
        }
        /* Data bar */
        .data-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            align-items: center;
        }
        .data-bar .data-item {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }
        .data-bar .data-label {
            font-size: 0.75rem;
            color: #a8a59b;
            letter-spacing: 0.05em;
        }
        .data-bar .data-value {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.02em;
        }
        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            background: #ffffff;
            overflow: hidden;
            transition: var(--transition);
            margin-bottom: 0.75rem;
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: 100%;
            padding: 1rem 1.25rem;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            transition: var(--transition);
            line-height: 1.6;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--accent);
            transition: transform 0.3s ease;
            font-size: 0.875rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 1.25rem;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-bottom: 1.25rem;
        }
        .faq-answer p {
            font-size: 0.875rem;
            line-height: 1.9;
            color: #6b7267;
            margin: 0;
        }
        /* CTA strip */
        .cta-strip {
            background: var(--primary-dark);
            border-top: 3px solid var(--accent);
            padding: 2.5rem 0;
        }
        .cta-strip-inner {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: flex-start;
        }
        @media (min-width: 768px) {
            .cta-strip-inner {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
        }
        .cta-strip .cta-text {
            color: var(--text-light);
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.6;
        }
        .cta-strip .cta-text small {
            display: block;
            font-size: 0.875rem;
            font-weight: 400;
            color: #a8a59b;
            margin-top: 0.25rem;
        }
        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #c4bfb3;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid var(--border-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 3rem;
            }
        }
        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            margin: 0;
        }
        .footer-links-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-light);
            letter-spacing: 0.05em;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            font-size: 0.875rem;
            color: #a8a59b;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 0.25rem;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            font-size: 0.75rem;
            color: #6b7267;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                flex-wrap: wrap;
                align-items: center;
                justify-content: space-between;
                gap: 1rem;
            }
        }
        .footer-bottom a {
            color: #a8a59b;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        /* Value grid */
        .value-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .value-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .value-card {
            background: var(--primary-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: var(--transition);
        }
        .value-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-dark);
        }
        .value-card .value-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.15);
            border: 1px solid rgba(212, 175, 55, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }
        .value-card h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .value-card p {
            font-size: 0.875rem;
            color: #a8a59b;
            line-height: 1.8;
            margin: 0;
        }
        /* Step flow */
        .step-flow {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: relative;
        }
        @media (min-width: 768px) {
            .step-flow {
                flex-direction: row;
                align-items: stretch;
            }
        }
        .step-item {
            flex: 1;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            position: relative;
        }
        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-family: var(--font-num);
            font-size: 1rem;
        }
        .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .step-content p {
            font-size: 0.875rem;
            color: #a8a59b;
            line-height: 1.8;
            margin: 0;
        }
        /* Responsive image wrapper */
        .image-cover {
            width: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        .link-underline {
            position: relative;
            transition: var(--transition);
        }
        .link-underline:hover {
            color: var(--accent);
        }
        .link-underline::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 1px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.25s ease;
        }
        .link-underline:hover::after {
            transform: scaleX(1);
        }
        /* More category entry */
        .more-cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .more-cat-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .more-cat-item {
            display: block;
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.25rem;
            text-align: center;
            transition: var(--transition);
        }
        .more-cat-item:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-light);
        }
        .more-cat-item .cat-icon {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 0.5rem;
        }
        .more-cat-item span {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-dark);
        }

/* roulang page: category3 */
:root {
            --primary: #0F2219;
            --primary-dark: #0A1813;
            --primary-light: #1B3A2D;
            --accent: #D4AF37;
            --accent-highlight: #F0CD5E;
            --cta: #E5484D;
            --cta-hover: #c93a3f;
            --bg-light: #F7F5F0;
            --text-dark: #1F221D;
            --text-light: #F5F1E8;
            --border-light: #D8D2C4;
            --border-dark: #2E4638;
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "DIN Alternate", "Barlow", "Roboto Mono", monospace;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-light: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.35);
            --transition: all 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container-custom {
            max-width: 72rem;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 24, 19, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 24, 19, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        @media (min-width: 768px) {
            .nav-container {
                height: 72px;
            }
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: var(--font-num);
            letter-spacing: -0.02em;
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            position: relative;
            color: #d8d2c4;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            color: var(--text-light);
            cursor: pointer;
            font-size: 1.25rem;
            transition: var(--transition);
        }
        .hamburger-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }
        .mobile-menu {
            display: none;
            background: var(--primary-dark);
            border-top: 1px solid var(--border-dark);
            padding: 1rem 1rem 1.5rem;
            list-style: none;
            margin: 0;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 0.75rem 0;
            color: #d8d2c4;
            font-size: 0.9375rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(46, 70, 56, 0.5);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            color: var(--accent);
            padding-left: 0.5rem;
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 0.75rem 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.8125rem;
            color: #6b675e;
        }
        .breadcrumb-nav a {
            color: #6b675e;
            transition: var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .separator {
            color: #a8a59b;
            user-select: none;
        }
        .breadcrumb-nav .current-page {
            color: var(--accent);
            font-weight: 600;
        }
        /* Page Title Section */
        .page-title-section {
            background: var(--primary-dark);
            padding: 3rem 0 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .page-title-section::after {
            content: "";
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-title-content {
            position: relative;
            z-index: 1;
        }
        .page-title-content h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            margin: 0.5rem 0 0.75rem;
        }
        @media (min-width: 768px) {
            .page-title-content h1 {
                font-size: 2.25rem;
            }
        }
        .page-title-desc {
            font-size: 0.9375rem;
            color: #c5c0b4;
            max-width: 720px;
            line-height: 1.85;
            margin: 0;
        }
        /* Section Common */
        .section {
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 4rem 0;
            }
        }
        .section-heading {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.01em;
            margin-bottom: 0.5rem;
        }
        @media (min-width: 768px) {
            .section-heading {
                font-size: 1.875rem;
            }
        }
        .section-subtitle {
            font-size: 0.9375rem;
            color: #6b675e;
            max-width: 680px;
            line-height: 1.8;
            margin-top: 0.5rem;
        }
        /* Trend Overview Panel */
        .trend-overview-panel {
            background: var(--primary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-dark);
        }
        .trend-overview-bg {
            position: absolute;
            inset: 0;
            opacity: 0.15;
            pointer-events: none;
        }
        .trend-overview-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .trend-overview-inner {
            position: relative;
            z-index: 1;
            padding: 1.5rem;
        }
        @media (min-width: 768px) {
            .trend-overview-inner {
                padding: 2rem;
            }
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
        }
        .data-item {
            background: rgba(27, 58, 45, 0.6);
            border: 1px solid var(--border-dark);
            border-radius: 0.75rem;
            padding: 1rem 1.25rem;
            text-align: center;
        }
        .data-item .data-label {
            font-size: 0.75rem;
            color: #a8a59b;
            letter-spacing: 0.04em;
            margin-bottom: 0.375rem;
        }
        .data-item .data-value {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.02em;
        }
        .data-item .data-trend {
            font-size: 0.75rem;
            margin-top: 0.375rem;
            color: #c5c0b4;
        }
        /* Article Card List */
        .article-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .article-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }
        .article-card-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #f0eee8;
            position: relative;
        }
        .article-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-card:hover .article-card-cover img {
            transform: scale(1.04);
        }
        .article-card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-tag {
            display: inline-block;
            background: rgba(212, 175, 55, 0.15);
            color: #8a6d1f;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            margin-bottom: 0.75rem;
            align-self: flex-start;
        }
        .article-card-title {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.5;
            margin-bottom: 0.5rem;
        }
        .article-card-excerpt {
            font-size: 0.875rem;
            color: #6b675e;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 0.75rem;
        }
        .article-card-meta {
            font-size: 0.75rem;
            color: #a8a59b;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        /* Range Distribution Table */
        .range-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-light);
            background: #fff;
        }
        .range-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 560px;
            font-size: 0.875rem;
        }
        .range-table thead th {
            background: var(--primary-dark);
            color: var(--text-light);
            font-weight: 600;
            padding: 0.875rem 1.25rem;
            text-align: left;
            letter-spacing: 0.02em;
            font-size: 0.8125rem;
            white-space: nowrap;
        }
        .range-table tbody td {
            padding: 0.875rem 1.25rem;
            border-bottom: 1px solid #f0eee8;
            color: #3a372f;
            white-space: nowrap;
        }
        .range-table tbody tr:nth-child(even) {
            background: #faf8f4;
        }
        .range-table tbody tr:hover {
            background: #f5f2eb;
        }
        .range-table .highlight-row {
            border-left: 3px solid var(--accent);
        }
        .range-table .range-badge {
            display: inline-block;
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--primary);
            background: rgba(212, 175, 55, 0.15);
            padding: 0.25rem 0.75rem;
            border-radius: 0.5rem;
            font-size: 0.8125rem;
        }
        /* Steps */
        .steps-list {
            counter-reset: step-counter;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            position: relative;
        }
        .step-number {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            font-family: var(--font-num);
            font-weight: 800;
            font-size: 1rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content {
            flex: 1;
        }
        .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0 0 0.375rem;
        }
        .step-content p {
            font-size: 0.875rem;
            color: #6b675e;
            line-height: 1.75;
            margin: 0;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 0.75rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: #c9c4b8;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            padding: 1rem 1.25rem;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: var(--transition);
            line-height: 1.6;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.25rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1.25rem;
        }
        .faq-answer p {
            font-size: 0.875rem;
            color: #6b675e;
            line-height: 1.8;
            margin: 0;
        }
        /* More Categories */
        .more-categories {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 0.75rem;
        }
        .more-category-link {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 0.75rem;
            padding: 1rem 1.25rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary-dark);
            transition: var(--transition);
        }
        .more-category-link:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-light);
        }
        .more-category-link i {
            color: var(--accent);
            font-size: 1rem;
            width: 20px;
            text-align: center;
        }
        /* Bottom CTA Banner */
        .bottom-cta-banner {
            background: var(--primary-dark);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            align-items: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .bottom-cta-banner {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
                padding: 2rem 2.5rem;
            }
        }
        .bottom-cta-banner::after {
            content: "";
            position: absolute;
            bottom: -40%;
            left: 20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .bottom-cta-text {
            position: relative;
            z-index: 1;
        }
        .bottom-cta-text h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
            margin: 0 0 0.375rem;
        }
        .bottom-cta-text p {
            font-size: 0.875rem;
            color: #c5c0b4;
            margin: 0;
            line-height: 1.7;
        }
        .bottom-cta-btn {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.875rem;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .bottom-cta-btn:hover {
            background: var(--accent-highlight);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
            color: var(--primary-dark);
        }
        /* Button Base */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--cta);
            color: #fff;
            font-weight: 700;
            font-size: 0.875rem;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--cta-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(229, 72, 77, 0.3);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--accent);
            font-weight: 700;
            font-size: 0.875rem;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--accent);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            border-top: 1px solid var(--border-dark);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1.5fr;
            }
        }
        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            margin: 0 0 0.5rem;
        }
        .footer-links-title {
            font-size: 0.8125rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin: 0 0 0.75rem;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            font-size: 0.8125rem;
            color: #a8a59b;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 0.25rem;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            margin-top: 2rem;
            padding-top: 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            font-size: 0.75rem;
            color: #a8a59b;
            flex-wrap: wrap;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 1rem;
            }
        }
        .footer-bottom a {
            color: #a8a59b;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

/* roulang page: category6 */
:root {
            --primary: #0F2219;
            --primary-dark: #0A1813;
            --primary-light: #1B3A2D;
            --accent: #D4AF37;
            --accent-highlight: #F0CD5E;
            --cta: #E5484D;
            --cta-hover: #c93a3f;
            --bg-light: #F7F5F0;
            --text-dark: #1F221D;
            --text-light: #F5F1E8;
            --border-light: #D8D2C4;
            --border-dark: #2E4638;
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "DIN Alternate", "Barlow", "Roboto Mono", monospace;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-light: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.35);
            --transition: all 0.2s ease;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .container-custom {
            max-width: 72rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 24, 19, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 24, 19, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        @media (min-width: 768px) {
            .nav-container {
                height: 72px;
            }
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: var(--font-num);
            letter-spacing: -0.02em;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links a {
            position: relative;
            color: #d8d2c4;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: var(--transition);
        }

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

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            color: var(--text-light);
            cursor: pointer;
            font-size: 1.25rem;
            transition: var(--transition);
        }

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

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        .mobile-menu {
            display: none;
            background: var(--primary-dark);
            border-top: 1px solid var(--border-dark);
            padding: 1rem 1rem 1.5rem;
            list-style: none;
            margin: 0;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.75rem 0;
            color: #d8d2c4;
            font-size: 0.9375rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(46, 70, 56, 0.5);
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            color: var(--accent);
            padding-left: 0.5rem;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: rgba(15, 34, 25, 0.06);
            border-bottom: 1px solid var(--border-light);
            padding: 0.7rem 0;
            font-size: 0.85rem;
            color: #5a5f58;
        }

        .breadcrumb-bar a {
            color: #5a5f58;
        }

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

        .breadcrumb-bar .separator {
            margin: 0 0.4rem;
            color: #a8a59b;
        }

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

        /* Category header compact */
        .category-header {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            padding: 3rem 0;
        }

        @media (min-width: 768px) {
            .category-header {
                padding: 4.5rem 0;
            }
        }

        .category-header-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/5131a4d6abba0de2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }

        .category-header-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 24, 19, 0.6) 0%, rgba(10, 24, 19, 0.9) 100%);
            pointer-events: none;
        }

        .category-header-content {
            position: relative;
            z-index: 1;
        }

        .category-header h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-light);
            margin: 0 0 0.75rem 0;
            letter-spacing: 0.02em;
            line-height: 1.35;
        }

        @media (min-width: 768px) {
            .category-header h1 {
                font-size: 2.5rem;
            }
        }

        .category-header p {
            font-size: 1rem;
            color: #d8d2c4;
            margin: 0;
            max-width: 40rem;
            line-height: 1.8;
        }

        @media (min-width: 768px) {
            .category-header p {
                font-size: 1.1rem;
            }
        }

        /* Section base */
        .section {
            padding: 3rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 4rem 0;
            }
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0 0 0.5rem 0;
            letter-spacing: 0.01em;
            line-height: 1.4;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: #5a5f58;
            margin: 0 0 2rem 0;
            line-height: 1.7;
        }

        /* Cards */
        .card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            overflow: hidden;
            transition: var(--transition);
        }

        .card:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-cover {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            background-color: var(--primary-light);
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 9999px;
            border: 1px solid transparent;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .badge-gold {
            background: rgba(212, 175, 55, 0.12);
            color: #9a7a1f;
            border-color: rgba(212, 175, 55, 0.35);
        }

        .badge-green {
            background: rgba(15, 34, 25, 0.08);
            color: var(--primary-light);
            border-color: rgba(15, 34, 25, 0.2);
        }

        .badge-red {
            background: rgba(229, 72, 77, 0.1);
            color: var(--cta-hover);
            border-color: rgba(229, 72, 77, 0.3);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.7rem 1.75rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.02em;
            line-height: 1.5;
            white-space: nowrap;
        }

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

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

        .btn-primary:hover {
            background: var(--cta-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(229, 72, 77, 0.35);
        }

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

        .btn-outline-gold:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-dark-green {
            background: var(--primary);
            color: var(--text-light);
        }

        .btn-dark-green:hover {
            background: var(--primary-light);
            color: var(--text-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(15, 34, 25, 0.35);
        }

        /* Number font */
        .num-font {
            font-family: var(--font-num);
            letter-spacing: 0.02em;
        }

        /* Step list */
        .step-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-light);
        }

        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-family: var(--font-num);
            font-size: 1.1rem;
        }

        .step-content h3 {
            margin: 0 0 0.4rem 0;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .step-content p {
            margin: 0;
            font-size: 0.9rem;
            color: #5a5f58;
            line-height: 1.7;
        }

        /* Dark section */
        .section-dark {
            background: var(--primary-dark);
            color: var(--text-light);
        }

        .section-dark .section-title {
            color: var(--text-light);
        }

        .section-dark .section-subtitle {
            color: #d8d2c4;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }

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

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

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 1.15rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary-dark);
            text-align: left;
            gap: 1rem;
            transition: var(--transition);
            font-family: var(--font-cn);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--accent);
            font-size: 0.9rem;
            transition: transform 0.2s ease;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 1.5rem;
        }

        .faq-answer.open {
            max-height: 400px;
            padding: 0 1.5rem 1.15rem;
        }

        .faq-answer p {
            margin: 0;
            font-size: 0.88rem;
            color: #5a5f58;
            line-height: 1.8;
        }

        /* CTA bar */
        .cta-banner {
            background: var(--primary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: flex-start;
        }

        @media (min-width: 768px) {
            .cta-banner {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                padding: 2.5rem;
            }
        }

        .cta-banner h3 {
            margin: 0 0 0.5rem 0;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
        }

        .cta-banner p {
            margin: 0;
            font-size: 0.9rem;
            color: #d8d2c4;
            line-height: 1.7;
        }

        /* Resource card */
        .resource-card {
            display: flex;
            gap: 1rem;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.15rem;
            transition: var(--transition);
        }

        .resource-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-light);
        }

        .resource-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(212, 175, 55, 0.15);
            color: #9a7a1f;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
        }

        .resource-card h4 {
            margin: 0 0 0.2rem 0;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .resource-card p {
            margin: 0;
            font-size: 0.8rem;
            color: #5a5f58;
            line-height: 1.6;
        }

        /* Article list card */
        .article-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
        }

        .article-card:hover {
            border-color: var(--accent);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            transform: translateY(-2px);
        }

        .article-card .article-body {
            padding: 1.15rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .article-date {
            font-size: 0.75rem;
            color: #a8a59b;
            font-family: var(--font-num);
        }

        .article-title-link {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.5;
            transition: var(--transition);
        }

        .article-title-link:hover {
            color: var(--accent);
        }

        .article-excerpt {
            font-size: 0.82rem;
            color: #5a5f58;
            line-height: 1.7;
            margin: 0;
        }

        /* Grid helpers */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }

        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.75rem;
            }
        }

        .grid-4 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.75rem;
            }
        }

        /* Info highlight */
        .info-box {
            background: rgba(212, 175, 55, 0.08);
            border-left: 3px solid var(--accent);
            border-radius: 0.5rem;
            padding: 1.25rem 1.5rem;
            font-size: 0.9rem;
            color: var(--primary-dark);
            line-height: 1.8;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #d8d2c4;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid var(--border-dark);
        }

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

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
                gap: 2.5rem;
            }
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-light);
            margin: 0 0 0.5rem 0;
            letter-spacing: 0.02em;
        }

        .footer-links-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
            margin: 0 0 0.75rem 0;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            color: #d8d2c4;
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            font-size: 0.78rem;
            color: #a8a59b;
        }

        .footer-bottom a {
            color: #a8a59b;
            transition: var(--transition);
        }

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

        /* Misc */
        .text-muted {
            color: #5a5f58;
        }

        .font-num {
            font-family: var(--font-num);
        }

        .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.15);
            color: #9a7a1f;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

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

/* roulang page: category5 */
:root {
            --primary: #0F2219;
            --primary-dark: #0A1813;
            --primary-light: #1B3A2D;
            --accent: #D4AF37;
            --accent-highlight: #F0CD5E;
            --cta: #E5484D;
            --cta-hover: #c93a3f;
            --bg-light: #F7F5F0;
            --text-dark: #1F221D;
            --text-light: #F5F1E8;
            --border-light: #D8D2C4;
            --border-dark: #2E4638;
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "DIN Alternate", "Barlow", "Roboto Mono", monospace;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-light: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.35);
            --transition: all 0.2s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .container-custom {
            max-width: 72rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 24, 19, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 24, 19, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        @media (min-width: 1024px) {
            .nav-container {
                height: 72px;
            }
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.125rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        @media (min-width: 640px) {
            .brand-logo {
                font-size: 1.25rem;
            }
        }

        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: var(--font-num);
            letter-spacing: -0.02em;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 1.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
                gap: 1.75rem;
            }
        }

        .nav-links a {
            position: relative;
            color: #d8d2c4;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: var(--transition);
        }

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

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            color: var(--text-light);
            cursor: pointer;
            font-size: 1.25rem;
            transition: var(--transition);
        }

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

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        .mobile-menu {
            display: none;
            background: var(--primary-dark);
            border-top: 1px solid var(--border-dark);
            padding: 1rem 1rem 1.5rem;
            list-style: none;
            margin: 0;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.75rem 0;
            color: #d8d2c4;
            font-size: 0.9375rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(46, 70, 56, 0.5);
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            color: var(--accent);
            padding-left: 0.5rem;
        }

        .breadcrumb-bar {
            background: #1a2b22;
            border-bottom: 1px solid var(--border-dark);
            padding: 0.75rem 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: #a8a59b;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: #d8d2c4;
            transition: var(--transition);
        }

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

        .breadcrumb-nav .separator {
            color: #6b6f68;
        }

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

        .section-padding {
            padding: 3.5rem 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: 5rem 0;
            }
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 1.875rem;
            }
        }

        .section-subtitle {
            font-size: 1rem;
            color: #6b6f68;
            line-height: 1.8;
            margin-top: 0.5rem;
        }

        @media (min-width: 768px) {
            .section-subtitle {
                font-size: 1.0625rem;
            }
        }

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

        .card-event:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
        }

        .card-event .event-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8e4d8;
        }

        .card-event .event-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

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

        .card-event .event-body {
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .event-tag {
            display: inline-block;
            background: rgba(212, 175, 55, 0.12);
            color: #8a6d20;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .event-title {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 0.5rem;
        }

        .event-desc {
            font-size: 0.875rem;
            color: #6b6f68;
            line-height: 1.7;
            flex: 1;
        }

        .event-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 1rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
            font-size: 0.8125rem;
            color: #8a8d85;
        }

        .event-date {
            display: flex;
            align-items: center;
            gap: 0.375rem;
        }

        .event-date i {
            color: var(--accent);
            font-size: 0.875rem;
        }

        .event-stats {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-family: var(--font-num);
        }

        .value-badge {
            display: inline-flex;
            align-items: center;
            background: var(--primary-light);
            color: var(--accent);
            font-family: var(--font-num);
            font-size: 0.8125rem;
            font-weight: 700;
            padding: 0.35rem 0.875rem;
            border-radius: 8px;
            letter-spacing: 0.02em;
            border: 1px solid var(--border-dark);
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            letter-spacing: 0.01em;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            white-space: nowrap;
        }

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

        .cta-btn-primary:hover {
            background: var(--cta-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(229, 72, 77, 0.35);
        }

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

        .cta-btn-outline:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
        }

        .btn-gold:hover {
            background: var(--accent-highlight);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .dark-section {
            background: var(--primary-dark);
            color: var(--text-light);
        }

        .dark-section .section-title {
            color: var(--text-light);
        }

        .dark-section .section-subtitle {
            color: #a8a59b;
        }

        .steps-container {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .step-item {
            flex: 1 1 220px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-light);
            position: relative;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.125rem;
            font-family: var(--font-num);
            margin-bottom: 0.875rem;
        }

        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }

        .step-item p {
            font-size: 0.875rem;
            color: #6b6f68;
            line-height: 1.7;
        }

        .resource-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1rem 1.25rem;
            box-shadow: var(--shadow-light);
            transition: var(--transition);
        }

        .resource-item:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
        }

        .resource-item .resource-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 175, 55, 0.12);
            border-radius: 10px;
            color: var(--accent);
            font-size: 1.25rem;
        }

        .resource-item .resource-info h5 {
            font-size: 0.9375rem;
            font-weight: 600;
            margin: 0;
            color: var(--text-dark);
        }

        .resource-item .resource-info p {
            font-size: 0.8125rem;
            color: #8a8d85;
            margin: 0.25rem 0 0;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            transition: var(--transition);
            gap: 1rem;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: var(--transition);
            color: var(--accent);
            font-size: 0.875rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 1.25rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1.25rem;
        }

        .faq-answer p {
            font-size: 0.875rem;
            color: #6b6f68;
            line-height: 1.8;
            margin: 0;
        }

        .footer-links-title {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.875rem;
            letter-spacing: 0.03em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: #a8a59b;
            transition: var(--transition);
        }

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

        .footer-brand-name {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            margin: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding: 3rem 0 2rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                padding: 3.5rem 0 2.5rem;
            }
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding: 1.5rem 0;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            font-size: 0.8125rem;
            color: #8a8d85;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 1rem;
            }
        }

        .footer-bottom a {
            color: #a8a59b;
            transition: var(--transition);
        }

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

        .site-footer {
            background: var(--primary-dark);
            color: var(--text-light);
            border-top: 1px solid var(--border-dark);
        }

        .grid-events {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        @media (min-width: 640px) {
            .grid-events {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }

        @media (min-width: 1024px) {
            .grid-events {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }

        .section-header-row {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .section-header-row {
                flex-direction: row;
                align-items: flex-end;
                justify-content: space-between;
            }
        }

        .stats-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            background: var(--primary-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-dark);
        }

        .stats-bar .stat-item {
            flex: 1 1 120px;
            text-align: center;
            padding: 0.5rem;
        }

        .stats-bar .stat-number {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .stats-bar .stat-number {
                font-size: 1.875rem;
            }
        }

        .stats-bar .stat-label {
            font-size: 0.8125rem;
            color: #d8d2c4;
            margin-top: 0.25rem;
            letter-spacing: 0.02em;
        }

        .progress-bar-custom {
            height: 8px;
            background: #2e3f35;
            border-radius: 9999px;
            overflow: hidden;
            margin-top: 0.5rem;
        }

        .progress-bar-custom .progress-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 9999px;
            transition: width 0.6s ease;
        }

        .invite-banner {
            background: var(--primary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-dark);
            position: relative;
            overflow: hidden;
        }

        .invite-banner::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 70%;
            height: 220%;
            background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.08), transparent 65%);
            pointer-events: none;
        }

        .invite-banner h4 {
            color: var(--text-light);
            font-size: 1.125rem;
            font-weight: 700;
            margin: 0 0 0.375rem;
        }

        .invite-banner p {
            color: #a8a59b;
            font-size: 0.875rem;
            margin: 0 0 1rem;
            line-height: 1.7;
        }

        .invite-banner .progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: #d8d2c4;
            margin-bottom: 0.25rem;
        }

        .invite-banner .progress-label span:last-child {
            font-family: var(--font-num);
            color: var(--accent);
            font-weight: 600;
        }