/* roulang page: index */
:root {
            --ink: #1C1D1A;
            --moss: #2F6B4F;
            --ochre: #C7792C;
            --paper: #F7F4EF;
            --deep: #2A2C27;
            --white: #FFFFFF;
            --text-2: #5C5F58;
            --text-3: #8A8E84;
            --line: #E5E1D8;
            --border: #E0DCD2;
            --radius: 16px;
            --shadow-sm: 0 1px 3px rgba(28, 29, 26, 0.06);
            --shadow-lg: 0 12px 32px rgba(28, 29, 26, 0.10);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', 'Helvetica Neue', sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            display: block;
            max-width: 100%;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @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;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.875rem;
            font-weight: 600;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--ochre);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 56px;
            padding: 0 2rem;
            background: var(--moss);
            color: #fff;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.25s ease-out;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px rgba(47, 107, 79, 0.35);
            background: var(--deep);
        }
        .btn-primary:active {
            transform: translateY(2px);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(47, 107, 79, 0.4);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 56px;
            padding: 0 2rem;
            border: 2px solid rgba(255, 255, 255, 0.75);
            color: #fff;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            transition: all 0.25s ease-out;
        }
        .btn-secondary:hover {
            background: #fff;
            color: var(--ink);
            transform: translateY(-4px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.4);
            outline-offset: 2px;
        }
        .card-hover {
            transition: all 0.3s ease-out;
        }
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }
        .fade-up.fade-in {
            opacity: 1;
            transform: translateY(0);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease-out;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-icon {
            transition: transform 0.3s ease-out;
        }
        #mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-out;
        }
        #mobile-menu.open {
            max-height: 600px;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category1 */
@layer base {
            :root {
                --ink: #1C1D1A;
                --pine: #2F6B4F;
                --ochre: #C7792C;
                --cream: #F7F4EF;
                --muted: #5C5F58;
                --faint: #8A8E84;
                --hairline: #E5E1D8;
                --stroke: #E0DCD2;
                --deepblock: #2A2C27;
                --radius: 16px;
                --shadow-card: 0 4px 20px rgba(28, 29, 26, 0.06);
                --shadow-lift: 0 14px 32px rgba(28, 29, 26, 0.14);
                --ease: 200ms ease-out;
            }

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

            html {
                scroll-behavior: smooth;
            }

            body {
                font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
                line-height: 1.75;
                background-color: var(--cream);
                color: var(--ink);
                -webkit-font-smoothing: antialiased;
                overflow-x: hidden;
            }

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

            a {
                text-decoration: none;
                color: inherit;
            }

            button {
                font-family: inherit;
            }

            .container-custom {
                width: 100%;
                max-width: 1200px;
                margin: 0 auto;
                padding-left: 24px;
                padding-right: 24px;
            }

            .btn-primary {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                height: 52px;
                padding: 0 28px;
                border-radius: 8px;
                background-color: var(--ink);
                color: #fff;
                font-size: 15px;
                font-weight: 600;
                letter-spacing: 0.02em;
                transition: background-color 200ms ease-out, transform 200ms ease-out, box-shadow 200ms ease-out;
            }

            .btn-primary:hover {
                background-color: var(--pine);
                transform: translateY(-4px);
                box-shadow: var(--shadow-lift);
            }

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

            .btn-primary:focus-visible {
                outline: 3px solid rgba(47, 107, 79, 0.4);
                outline-offset: 2px;
            }

            .btn-secondary {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                height: 52px;
                padding: 0 28px;
                border-radius: 8px;
                border: 1px solid var(--ink);
                background: transparent;
                color: var(--ink);
                font-size: 15px;
                font-weight: 600;
                transition: background-color 200ms ease-out, color 200ms ease-out, transform 200ms ease-out;
            }

            .btn-secondary:hover {
                background-color: var(--ink);
                color: #fff;
                transform: translateY(-4px);
            }

            .btn-secondary:focus-visible {
                outline: 3px solid rgba(28, 29, 26, 0.3);
                outline-offset: 2px;
            }

            .btn-white {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                height: 52px;
                padding: 0 28px;
                border-radius: 8px;
                background-color: #fff;
                color: var(--ink);
                font-size: 15px;
                font-weight: 600;
                transition: transform 200ms ease-out, box-shadow 200ms ease-out;
            }

            .btn-white:hover {
                transform: translateY(-4px);
                box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
            }

            .badge {
                display: inline-flex;
                align-items: center;
                gap: 6px;
                padding: 5px 14px;
                border-radius: 999px;
                font-size: 12px;
                font-weight: 600;
                letter-spacing: 0.03em;
                background-color: rgba(47, 107, 79, 0.1);
                color: var(--pine);
            }

            .badge-ochre {
                background-color: rgba(199, 121, 44, 0.12);
                color: #a86424;
            }

            .section-padding {
                padding-top: 88px;
                padding-bottom: 88px;
            }

            @media (max-width: 768px) {
                .section-padding {
                    padding-top: 60px;
                    padding-bottom: 60px;
                }
                .container-custom {
                    padding-left: 20px;
                    padding-right: 20px;
                }
            }

            .card-hover {
                transition: transform 250ms ease-out, box-shadow 250ms ease-out;
            }

            .card-hover:hover {
                transform: translateY(-6px);
                box-shadow: var(--shadow-lift);
            }

            .card-hover:hover img {
                transform: scale(1.03);
            }

            .card-hover .card-img-wrap {
                overflow: hidden;
            }

            .card-hover .card-img-wrap img {
                transition: transform 250ms ease-out;
            }

            .fade-up {
                opacity: 0;
                transform: translateY(20px);
                transition: opacity 600ms ease-out, transform 600ms ease-out;
            }

            .fade-up.visible {
                opacity: 1;
                transform: translateY(0);
            }

            .faq-item {
                border-bottom: 1px solid var(--hairline);
            }

            .faq-item:first-child {
                border-top: 1px solid var(--hairline);
            }

            .faq-question {
                width: 100%;
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 24px 0;
                font-size: 18px;
                font-weight: 600;
                color: var(--ink);
                background: none;
                border: none;
                cursor: pointer;
                text-align: left;
                transition: color 200ms ease-out;
            }

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

            .faq-icon {
                flex-shrink: 0;
                width: 28px;
                height: 28px;
                position: relative;
                display: inline-block;
                transition: transform 200ms ease-out;
            }

            .faq-icon::before,
            .faq-icon::after {
                content: '';
                position: absolute;
                top: 50%;
                left: 50%;
                background-color: var(--ink);
                border-radius: 2px;
                transform: translate(-50%, -50%);
            }

            .faq-icon::before {
                width: 14px;
                height: 2px;
            }

            .faq-icon::after {
                width: 2px;
                height: 14px;
                transition: opacity 200ms ease-out;
            }

            .faq-item.active .faq-icon::after {
                opacity: 0;
            }

            .faq-answer {
                max-height: 0;
                overflow: hidden;
                transition: max-height 300ms ease-out;
            }

            .faq-item.active .faq-answer {
                max-height: 200px;
            }

            .faq-answer p {
                padding-bottom: 24px;
                font-size: 16px;
                line-height: 1.8;
                color: var(--muted);
            }

            @media (prefers-reduced-motion: reduce) {
                html {
                    scroll-behavior: auto;
                }
                *,
                *::before,
                *::after {
                    animation: none !important;
                    transition: none !important;
                }
                .fade-up {
                    opacity: 1;
                    transform: none;
                }
            }
        }

/* roulang page: article */
:root {
            --ink: #1C1D1A;
            --moss: #2F6B4F;
            --ochre: #C7792C;
            --cream: #F7F4EF;
            --text-secondary: #5C5F58;
            --text-muted: #8A8E84;
            --line: #E5E1D8;
            --border-soft: #E0DCD2;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow-sm: 0 2px 8px rgba(28, 29, 26, 0.06);
            --shadow-md: 0 8px 24px rgba(28, 29, 26, 0.1);
            --shadow-lg: 0 16px 40px rgba(28, 29, 26, 0.14);
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
            background: var(--cream);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            padding-top: 80px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; }
        button { font-family: inherit; }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            body { padding-top: 72px; }
            .container-custom { padding: 0 16px; }
        }

        .btn-primary {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            height: 52px; padding: 0 28px;
            background: var(--ink); color: #fff;
            border: none; border-radius: var(--radius-md);
            font-size: 15px; font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease-out;
        }
        .btn-primary:hover {
            background: var(--moss);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(28, 29, 26, 0.18);
        }
        .btn-primary:active { transform: translateY(0); box-shadow: none; }
        .btn-primary:focus-visible { outline: 3px solid rgba(47, 107, 79, 0.4); outline-offset: 2px; }

        .btn-secondary {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            height: 52px; padding: 0 28px;
            background: transparent; color: var(--ink);
            border: 1px solid var(--ink); border-radius: var(--radius-md);
            font-size: 15px; font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease-out;
        }
        .btn-secondary:hover {
            background: var(--ink); color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(28, 29, 26, 0.12);
        }
        .btn-secondary:focus-visible { outline: 3px solid rgba(47, 107, 79, 0.4); outline-offset: 2px; }

        .badge-category {
            display: inline-flex; align-items: center;
            padding: 5px 14px;
            background: rgba(47, 107, 79, 0.08);
            color: var(--moss);
            border-radius: 999px;
            font-size: 13px; font-weight: 600;
            letter-spacing: 0.02em;
        }

        .article-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s ease-out, box-shadow 0.3s ease-out, border-color 0.3s ease;
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(47, 107, 79, 0.25);
        }
        .article-card:hover .article-card-img { transform: scale(1.04); }
        .article-card-img { transition: transform 0.4s ease-out; }

        .article-content {
            max-width: 800px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 1.9;
            color: #2A2C27;
        }
        .article-content h2 {
            font-size: 26px; font-weight: 700;
            line-height: 1.35;
            margin: 48px 0 20px;
            color: var(--ink);
        }
        .article-content h3 {
            font-size: 20px; font-weight: 600;
            line-height: 1.4;
            margin: 36px 0 16px;
            color: var(--ink);
        }
        .article-content p {
            margin-bottom: 24px;
            font-size: 17px;
            line-height: 1.9;
            color: #2A2C27;
        }
        .article-content blockquote {
            border-left: 4px solid var(--ochre);
            background: #FAF6EF;
            padding: 20px 28px;
            margin: 32px 0;
            border-radius: 0 12px 12px 0;
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }
        .article-content ul { list-style: disc; }
        .article-content ol { list-style: decimal; }
        .article-content li {
            margin-bottom: 8px;
            font-size: 16px;
            line-height: 1.8;
        }
        .article-content img {
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            margin: 32px auto;
            width: 80%;
            height: auto;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 32px 0;
            font-size: 15px;
        }
        .article-content th {
            background: var(--ink);
            color: #fff;
            text-align: left;
            padding: 12px 16px;
            font-size: 14px;
            font-weight: 600;
        }
        .article-content td {
            border: 1px solid var(--line);
            padding: 12px 16px;
        }
        .article-content tbody tr:nth-child(even) td {
            background: rgba(247, 244, 239, 0.6);
        }
        .article-content a {
            color: var(--moss);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: rgba(47, 107, 79, 0.35);
            transition: color 0.2s ease, text-decoration-color 0.2s ease;
        }
        .article-content a:hover { color: var(--ink); text-decoration-color: var(--ink); }
        .article-content code {
            background: var(--ink);
            color: #fff;
            border-radius: 6px;
            padding: 3px 8px;
            font-size: 14px;
            font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
        }
        .article-content pre {
            background: var(--ink);
            border-radius: 12px;
            padding: 20px 24px;
            margin: 32px 0;
            overflow-x: auto;
        }
        .article-content pre code {
            background: transparent;
            color: #E2E8F0;
            padding: 0;
            font-size: 14px;
            display: block;
            line-height: 1.7;
        }
        .article-content hr {
            border: none;
            border-top: 1px solid var(--line);
            margin: 40px 0;
        }

        .tag-pill {
            display: inline-flex; align-items: center;
            padding: 6px 14px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 999px;
            font-size: 13px;
            color: var(--moss);
            transition: all 0.2s ease;
        }
        .tag-pill:hover {
            background: var(--moss);
            border-color: var(--moss);
            color: #fff;
        }

        .cta-section {
            position: relative;
            background: var(--moss);
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }
        .cta-section .container-custom { position: relative; z-index: 1; }

        @media (max-width: 768px) {
            .article-content { font-size: 16px; }
            .article-content p { font-size: 16px; line-height: 1.85; }
            .article-content img { width: 100%; border-radius: 12px; }
            .article-content h2 { font-size: 22px; margin: 36px 0 16px; }
            .article-content h3 { font-size: 18px; margin: 28px 0 14px; }
            .article-content blockquote { padding: 16px 20px; font-size: 15px; }
            .article-content th,
            .article-content td { padding: 10px 12px; font-size: 14px; }
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
:root {
            --ink: #1C1D1A;
            --ink-soft: #2A2C27;
            --moss: #2F6B4F;
            --ochre: #C7792C;
            --cream: #F7F4EF;
            --text-1: #1C1D1A;
            --text-2: #5C5F58;
            --text-3: #8A8E84;
            --line: #E5E1D8;
            --border: #E0DCD2;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 20px rgba(28, 29, 26, 0.06);
            --shadow-lg: 0 12px 30px rgba(28, 29, 26, 0.12);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background: var(--cream);
            color: var(--text-1);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
        }
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 56px;
            padding: 0 30px;
            background: var(--moss);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            background: #275c43;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--ochre);
            outline-offset: 2px;
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 56px;
            padding: 0 30px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all 0.25s ease;
        }
        .btn-outline-white:hover {
            background: #fff;
            color: var(--ink);
            border-color: #fff;
            transform: translateY(-3px);
        }
        .btn-outline-white:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.6);
            outline-offset: 2px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(199, 121, 44, 0.12);
            color: var(--ochre);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(199, 121, 44, 0.25);
        }
        .stat-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 26px;
            box-shadow: var(--shadow);
            transition: all 0.25s ease;
            height: 100%;
        }
        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(199, 121, 44, 0.3);
        }
        .stat-card .num {
            font-size: 50px;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.1;
            letter-spacing: -0.03em;
            font-family: 'Inter', 'Helvetica Neue', sans-serif;
        }
        .stat-card .num-suffix {
            font-size: 22px;
            color: var(--ochre);
            font-weight: 700;
            margin-left: 4px;
        }
        .stat-card .label {
            margin-top: 14px;
            color: var(--text-2);
            font-size: 15px;
            font-weight: 600;
        }
        .stat-card .desc {
            margin-top: 6px;
            color: var(--text-3);
            font-size: 13px;
            line-height: 1.6;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .data-table thead th {
            background: #F7F4EF;
            padding: 16px 20px;
            text-align: left;
            font-weight: 600;
            color: var(--text-2);
            font-size: 13px;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--line);
            white-space: nowrap;
        }
        .data-table tbody td {
            padding: 20px;
            border-bottom: 1px solid var(--line);
            color: var(--text-1);
            font-size: 14px;
            white-space: nowrap;
        }
        .data-table tbody tr:hover {
            background: #FAF7F2;
        }
        .data-table tbody tr:last-child td {
            border-bottom: none;
        }
        .data-table .score-highlight {
            font-weight: 800;
            color: var(--ink);
            font-family: 'Inter', 'Helvetica Neue', sans-serif;
            font-size: 16px;
        }
        .data-table .league-badge {
            display: inline-block;
            background: rgba(47, 107, 79, 0.1);
            color: var(--moss);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            border: 1px solid rgba(47, 107, 79, 0.18);
        }
        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--moss);
            font-size: 15px;
            transition: gap 0.25s ease;
        }
        .link-arrow:hover {
            gap: 10px;
            color: var(--ink);
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 28px 4px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-1);
            transition: color 0.2s ease;
        }
        .faq-item summary:hover {
            color: var(--moss);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 28px;
            color: var(--ochre);
            transition: transform 0.3s ease;
            font-weight: 400;
            line-height: 1;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 4px 28px;
            max-width: 720px;
            color: var(--text-2);
            line-height: 1.85;
            font-size: 16px;
        }
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.is-visible {
            opacity: 1;
            transform: none;
        }
        @media (prefers-reduced-motion: reduce) {
            .fade-up {
                opacity: 1;
                transform: none;
                transition: none;
            }
            html {
                scroll-behavior: auto;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }
            .stat-card .num {
                font-size: 40px;
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 14px 16px;
            }
            .faq-item summary {
                font-size: 16px;
                padding: 22px 2px;
            }
        }

/* roulang page: category3 */
:root {
            --ink: #1C1D1A;
            --moss: #2F6B4F;
            --ochre: #C7792C;
            --cream: #F7F4EF;
            --paper: #FFFFFF;
            --ink-light: #2A2C27;
            --sub: #5C5F58;
            --faint: #8A8E84;
            --line: #E5E1D8;
            --stroke: #E0DCD2;
            --radius: 16px;
            --shadow: 0 4px 24px rgba(28, 29, 26, 0.06);
            --shadow-lg: 0 16px 48px rgba(28, 29, 26, 0.12);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background-color: var(--cream);
            color: var(--ink);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (min-width: 640px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 40px;
                padding-right: 40px;
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 52px;
            padding: 0 28px;
            border-radius: 8px;
            background-color: var(--ink);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all 0.3s ease-out;
        }
        .btn-primary:hover {
            background-color: var(--moss);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(47, 107, 79, 0.28);
        }
        .btn-primary:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 107, 79, 0.2);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(47, 107, 79, 0.4);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 52px;
            padding: 0 28px;
            border-radius: 8px;
            border: 1px solid var(--ink);
            background: transparent;
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.3s ease-out;
        }
        .btn-secondary:hover {
            background-color: var(--ink);
            color: #fff;
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(28, 29, 26, 0.18);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(28, 29, 26, 0.3);
            outline-offset: 2px;
        }
        .btn-moss {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 56px;
            padding: 0 32px;
            border-radius: 8px;
            background-color: var(--moss);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.3s ease-out;
        }
        .btn-moss:hover {
            background-color: #24543e;
            transform: translateY(-4px);
            box-shadow: 0 14px 36px rgba(47, 107, 79, 0.32);
        }
        .btn-moss:focus-visible {
            outline: 3px solid rgba(47, 107, 79, 0.4);
            outline-offset: 2px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1;
        }
        .badge-moss {
            background-color: rgba(47, 107, 79, 0.1);
            color: var(--moss);
        }
        .badge-ochre {
            background-color: rgba(199, 121, 44, 0.12);
            color: var(--ochre);
        }
        header {
            transition: box-shadow 0.3s ease, background-color 0.3s ease;
        }
        header.scrolled {
            box-shadow: 0 8px 40px rgba(28, 29, 26, 0.08);
        }
        nav a {
            position: relative;
        }
        .nav-link {
            position: relative;
            display: inline-block;
            padding-bottom: 2px;
            font-size: 15px;
            font-weight: 500;
            color: var(--sub);
            transition: color 0.25s ease;
        }
        .nav-link:hover {
            color: var(--ink);
        }
        .nav-link.active {
            color: var(--ink);
            border-bottom: 2px solid var(--ink);
        }
        .hero-overlay {
            background: linear-gradient(to right, rgba(28, 29, 26, 0.86) 0%, rgba(28, 29, 26, 0.65) 45%, rgba(28, 29, 26, 0.15) 100%);
        }
        .section-fade {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease-out, transform 0.7s ease-out;
        }
        .section-fade.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .image-scale {
            overflow: hidden;
        }
        .image-scale img {
            transition: transform 0.4s ease-out;
        }
        .image-scale:hover img {
            transform: scale(1.04);
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }
        .faq-toggle {
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding-bottom: 20px;
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .cta-section {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-color: rgba(28, 29, 26, 0.82);
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.001ms !important;
                transition-duration: 0.001ms !important;
                scroll-behavior: auto !important;
            }
            .section-fade {
                opacity: 1;
                transform: none;
            }
        }