/* roulang page: index */
:root {
            --ink: #1F2E24;
            --ink-deep: #17251C;
            --ink-light: #2A3730;
            --copper: #B89B66;
            --copper-soft: rgba(184, 155, 102, 0.12);
            --bone: #F7F4EE;
            --weak: #6B6F69;
            --card-border: #E3DCCC;
            --card-bg: #FBF9F4;
            --white: #FFFFFF;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(31, 46, 36, 0.06);
            --shadow-md: 0 4px 12px rgba(31, 46, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(31, 46, 36, 0.12);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
            --font-mono: "IBM Plex Mono", "JetBrains Mono", "Courier New", monospace;
            --transition: 200ms ease;
            --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bone);
            color: var(--ink-light);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

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

        ::selection {
            background: var(--copper);
            color: var(--ink);
        }

        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: 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;
            }
        }

        .font-serif-cn {
            font-family: var(--font-serif);
        }

        .font-mono-cn {
            font-family: var(--font-mono);
        }

        /* Top utility bar */
        .top-utility {
            background: var(--ink);
            color: var(--bone);
            font-size: 0.8rem;
            padding: 0.4rem 0;
            border-bottom: 1px solid rgba(184, 155, 102, 0.25);
        }

        .top-utility .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .top-utility a {
            color: var(--bone);
            opacity: 0.85;
            transition: opacity var(--transition);
        }

        .top-utility a:hover {
            opacity: 1;
            color: var(--copper);
        }

        .top-utility .locate-indicator {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--copper);
            font-weight: 500;
        }

        /* Main header */
        .site-header {
            background: var(--bone);
            border-bottom: 1px solid var(--card-border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(31, 46, 36, 0.04);
        }

        .site-header .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .logo-brand .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--ink);
            color: var(--copper);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }

        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
                gap: 0.4rem;
            }
        }

        .main-nav a {
            position: relative;
            display: inline-block;
            padding: 0.5rem 0.8rem;
            font-size: 0.92rem;
            color: var(--ink-light);
            white-space: nowrap;
            transition: color var(--transition);
            border-radius: var(--radius-sm);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--copper);
            transition: width var(--transition-smooth), left var(--transition-smooth);
            border-radius: 1px;
        }

        .main-nav a:hover {
            color: var(--ink);
        }

        .main-nav a:hover::after {
            width: 100%;
            left: 0;
        }

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

        .main-nav a.active::after {
            width: 100%;
            left: 0;
            background: var(--copper);
        }

        .locate-pill {
            display: none;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.35rem 0.9rem;
            color: var(--ink);
            font-size: 0.85rem;
            white-space: nowrap;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            position: relative;
        }

        .locate-pill:hover {
            background: var(--copper-soft);
        }

        @media (min-width: 1024px) {
            .locate-pill {
                display: inline-flex;
            }
        }

        .locate-pill .locate-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        .locate-pill.dropdown-open .locate-arrow {
            transform: rotate(180deg);
        }

        .city-dropdown {
            position: absolute;
            top: calc(100% + 0.5rem);
            right: 0;
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            min-width: 160px;
            padding: 0.5rem 0;
            display: none;
            z-index: 60;
        }

        .locate-pill.dropdown-open .city-dropdown {
            display: block;
        }

        .city-dropdown .city-item {
            display: block;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            color: var(--ink-light);
            transition: background var(--transition);
            cursor: pointer;
        }

        .city-dropdown .city-item:hover {
            background: var(--copper-soft);
            color: var(--ink);
        }

        .city-dropdown .city-item.selected {
            background: var(--copper-soft);
            color: var(--ink);
            font-weight: 600;
        }

        .mobile-menu-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--card-border);
            color: var(--ink);
            font-size: 1.2rem;
            transition: background var(--transition);
        }

        .mobile-menu-btn:hover {
            background: var(--copper-soft);
        }

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

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 100;
            background: rgba(31, 46, 36, 0.55);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

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

        .mobile-drawer .drawer-panel {
            position: absolute;
            top: 0;
            right: 0;
            width: 85%;
            max-width: 340px;
            height: 100%;
            background: var(--bone);
            padding: 1.5rem;
            box-shadow: -4px 0 24px rgba(31, 46, 36, 0.2);
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-drawer .drawer-close {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--card-border);
            color: var(--ink);
            font-size: 1.1rem;
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .mobile-drawer .drawer-nav a {
            display: block;
            padding: 0.7rem 0.8rem;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            color: var(--ink-light);
            transition: background var(--transition);
        }

        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav a.active {
            background: var(--copper-soft);
            color: var(--ink);
            font-weight: 600;
        }

        .mobile-drawer .drawer-locate {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.5rem 1rem;
            color: var(--ink);
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--ink);
        }

        .hero-section .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            z-index: 1;
        }

        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 46, 36, 0.88) 0%, rgba(31, 46, 36, 0.65) 45%, rgba(31, 46, 36, 0.45) 100%);
            z-index: 2;
        }

        .hero-section .hero-content {
            position: relative;
            z-index: 3;
            padding-top: 4rem;
            padding-bottom: 4rem;
            width: 100%;
        }

        .hero-timer-bar {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            background: rgba(31, 46, 36, 0.7);
            border: 1px solid rgba(184, 155, 102, 0.5);
            border-radius: 30px;
            padding: 0.5rem 1.25rem;
            color: var(--bone);
            font-size: 0.85rem;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }

        .hero-timer-bar .timer-digits {
            font-family: var(--font-mono);
            color: var(--copper);
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            line-height: 1.25;
            font-weight: 700;
            color: var(--bone);
            margin-bottom: 1.25rem;
            max-width: 720px;
            animation: fadeInUp 800ms ease-out both;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 3.2rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.8rem;
            }
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(247, 244, 238, 0.85);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 2rem;
            animation: fadeInUp 800ms ease-out 150ms both;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
            animation: fadeInUp 800ms ease-out 300ms both;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(184, 155, 102, 0.4);
            animation: fadeInUp 800ms ease-out 450ms both;
        }

        .hero-stat-item .stat-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--copper);
            line-height: 1.2;
        }

        .hero-stat-item .stat-label {
            font-size: 0.82rem;
            color: rgba(247, 244, 238, 0.7);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border-radius: var(--radius-sm);
            padding: 0.65rem 1.4rem;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--ink);
            color: var(--bone);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            background: var(--ink-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

        .btn-secondary {
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--copper);
        }

        .btn-secondary:hover {
            background: var(--copper);
            color: var(--ink-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

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

        .btn-hero-light {
            background: var(--copper);
            color: var(--ink-deep);
            font-weight: 600;
        }

        .btn-hero-light:hover {
            background: #c9ab76;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-hero-ghost {
            background: transparent;
            color: var(--bone);
            border: 1px solid rgba(247, 244, 238, 0.5);
        }

        .btn-hero-ghost:hover {
            border-color: var(--copper);
            color: var(--copper);
            transform: translateY(-2px);
        }

        /* Section common */
        .section-label {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 0.8rem;
            letter-spacing: 0.08em;
            color: var(--copper);
            text-transform: uppercase;
            margin-bottom: 0.6rem;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            line-height: 1.3;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.2rem;
            }
        }

        .section-desc {
            font-size: 0.98rem;
            color: var(--weak);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .section-spacing {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }

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

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

        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--copper);
        }

        /* Category cards */
        .category-card {
            padding: 1.6rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .category-card .cat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--copper-soft);
            color: var(--copper);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .category-card .cat-title {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ink);
        }

        .category-card .cat-desc {
            font-size: 0.88rem;
            color: var(--weak);
            line-height: 1.7;
            flex-grow: 1;
        }

        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.88rem;
            color: var(--copper);
            font-weight: 500;
            transition: gap var(--transition);
        }

        .category-card .cat-link:hover {
            gap: 0.7rem;
            color: var(--ink);
        }

        /* Resource list */
        .resource-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 768px) {
            .resource-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .resource-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.25rem;
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            transition: all var(--transition);
        }

        .resource-item:hover {
            border-color: var(--copper);
            background: var(--card-bg);
        }

        .resource-item .res-index {
            font-family: var(--font-mono);
            font-size: 0.9rem;
            color: var(--copper);
            font-weight: 600;
            flex-shrink: 0;
            width: 28px;
        }

        .resource-item .res-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 0.3rem;
        }

        .resource-item .res-content p {
            font-size: 0.87rem;
            color: var(--weak);
            line-height: 1.65;
        }

        /* News list */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 1024px) {
            .news-layout {
                grid-template-columns: 2fr 1fr;
                gap: 2rem;
            }
        }

        .news-left-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.1rem 1.25rem;
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            transition: all var(--transition);
        }

        .news-item:hover {
            border-color: var(--copper);
            box-shadow: var(--shadow-sm);
        }

        .news-item .news-time {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--copper);
            white-space: nowrap;
            flex-shrink: 0;
            padding-top: 0.2rem;
        }

        .news-item .news-body h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 0.3rem;
            line-height: 1.5;
        }

        .news-item .news-body p {
            font-size: 0.86rem;
            color: var(--weak);
            line-height: 1.7;
        }

        .news-right-recommend {
            padding: 1.25rem;
            background: var(--ink);
            border-radius: var(--radius);
            color: var(--bone);
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .news-right-recommend h4 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--copper);
        }

        .news-right-recommend a {
            display: block;
            font-size: 0.88rem;
            color: rgba(247, 244, 238, 0.85);
            line-height: 1.65;
            padding: 0.6rem 0;
            border-bottom: 1px solid rgba(184, 155, 102, 0.25);
            transition: color var(--transition);
        }

        .news-right-recommend a:last-child {
            border-bottom: none;
        }

        .news-right-recommend a:hover {
            color: var(--copper);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

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

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

        .testimonial-card {
            padding: 1.4rem;
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            border-color: var(--copper);
            box-shadow: var(--shadow-sm);
        }

        .testimonial-card .t-quote {
            font-size: 0.88rem;
            color: var(--ink-light);
            line-height: 1.75;
            flex-grow: 1;
        }

        .testimonial-card .t-author {
            font-size: 0.82rem;
            color: var(--weak);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .testimonial-card .t-author .t-avatar {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--copper-soft);
            color: var(--copper);
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* Brand intro */
        .brand-intro-block {
            background: var(--ink);
            color: var(--bone);
            padding: 2.5rem 1.5rem;
            border-radius: var(--radius);
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .brand-intro-block {
                grid-template-columns: 1.4fr 1fr;
                padding: 3rem 2.5rem;
                gap: 2.5rem;
            }
        }

        .brand-intro-block .bi-title {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--copper);
            margin-bottom: 1rem;
        }

        .brand-intro-block .bi-text {
            font-size: 0.95rem;
            line-height: 1.9;
            color: rgba(247, 244, 238, 0.85);
        }

        .brand-intro-block .bi-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: flex-start;
            align-content: flex-start;
        }

        .brand-intro-block .bi-stat {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }

        .brand-intro-block .bi-stat .bi-value {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--copper);
        }

        .brand-intro-block .bi-stat .bi-label {
            font-size: 0.82rem;
            color: rgba(247, 244, 238, 0.65);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

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

        .faq-item.faq-open {
            border-color: var(--copper);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--ink);
            font-size: 0.95rem;
            transition: color var(--transition);
            user-select: none;
        }

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

        .faq-item .faq-icon {
            flex-shrink: 0;
            font-size: 0.9rem;
            color: var(--copper);
            transition: transform var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .faq-item.faq-open .faq-icon {
            transform: rotate(90deg);
        }

        .faq-item .faq-answer {
            padding: 0 1.25rem;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }

        .faq-item.faq-open .faq-answer {
            padding: 0 1.25rem 1.1rem;
            max-height: 300px;
        }

        .faq-item .faq-answer p {
            font-size: 0.9rem;
            color: var(--weak);
            line-height: 1.8;
        }

        /* Partners / tags */
        .partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .partner-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: 30px;
            padding: 0.55rem 1.1rem;
            font-size: 0.88rem;
            color: var(--ink-light);
            transition: all var(--transition);
            cursor: default;
        }

        .partner-tag:hover {
            border-color: var(--copper);
            background: var(--copper-soft);
            color: var(--ink);
        }

        .partner-tag .pt-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--copper);
            flex-shrink: 0;
        }

        /* Download guide CTA */
        .download-guide {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            align-items: center;
        }

        @media (min-width: 768px) {
            .download-guide {
                grid-template-columns: 1.1fr 1fr;
                gap: 2.5rem;
            }
        }

        .download-guide .dg-card {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            transition: all var(--transition);
        }

        .download-guide .dg-card:hover {
            border-color: var(--copper);
            box-shadow: var(--shadow-md);
        }

        .download-guide .dg-card h4 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ink);
        }

        .download-guide .dg-card p {
            font-size: 0.88rem;
            color: var(--weak);
            line-height: 1.7;
        }

        /* Form */
        .contact-form-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 768px) {
            .contact-form-grid {
                grid-template-columns: 1.3fr 1fr;
                gap: 2rem;
            }
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .form-group label {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--ink);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            padding: 0.7rem 0.9rem;
            font-size: 0.92rem;
            color: var(--ink-light);
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
            width: 100%;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--copper);
            box-shadow: 0 0 0 2px rgba(184, 155, 102, 0.2);
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .contact-info-box {
            background: var(--ink);
            border-radius: var(--radius);
            padding: 1.75rem;
            color: var(--bone);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .contact-info-box h4 {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--copper);
        }

        .contact-info-box p,
        .contact-info-box li {
            font-size: 0.88rem;
            color: rgba(247, 244, 238, 0.8);
            line-height: 1.7;
        }

        .contact-info-box ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        /* Footer */
        .site-footer {
            background: var(--ink);
            color: var(--bone);
            padding-top: 3rem;
            padding-bottom: 1.5rem;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(184, 155, 102, 0.25);
        }

        @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;
                gap: 2.5rem;
            }
        }

        .footer-brand .footer-logo {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--bone);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(247, 244, 238, 0.7);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-family: var(--font-serif);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--copper);
            margin-bottom: 0.8rem;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(247, 244, 238, 0.75);
            padding: 0.3rem 0;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            padding-top: 1.25rem;
            font-size: 0.78rem;
            color: rgba(247, 244, 238, 0.55);
        }

        .footer-bottom a {
            color: rgba(247, 244, 238, 0.7);
            transition: color var(--transition);
        }

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

        /* Utility */
        .offset-section-alt {
            background: var(--card-bg);
        }

        .tag-badge {
            display: inline-block;
            background: var(--copper-soft);
            color: var(--copper);
            border-radius: 4px;
            padding: 0.15rem 0.6rem;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            color: var(--copper);
            font-weight: 500;
            transition: gap var(--transition), color var(--transition);
        }

        .arrow-link:hover {
            gap: 0.65rem;
            color: var(--ink);
        }

        .divider-line {
            border-top: 1px solid var(--card-border);
            margin: 2.5rem 0;
        }

/* roulang page: category2 */
:root {
            --ink: #1F2E24;
            --ink-deep: #17251C;
            --ink-light: #2A3730;
            --copper: #B89B66;
            --copper-soft: rgba(184, 155, 102, 0.12);
            --bone: #F7F4EE;
            --weak: #6B6F69;
            --card-border: #E3DCCC;
            --card-bg: #FBF9F4;
            --white: #FFFFFF;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(31, 46, 36, 0.06);
            --shadow-md: 0 4px 12px rgba(31, 46, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(31, 46, 36, 0.12);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
            --font-mono: "IBM Plex Mono", "JetBrains Mono", "Courier New", monospace;
            --transition: 200ms ease;
            --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bone);
            color: var(--ink-light);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
            margin: 0;
        }

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

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

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

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

        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: 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;
            }
        }

        .top-utility {
            background: var(--ink);
            color: var(--bone);
            font-size: 0.8rem;
            padding: 0.35rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .top-utility .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .top-utility a {
            color: var(--bone);
            opacity: 0.85;
            transition: opacity var(--transition);
        }

        .top-utility a:hover {
            opacity: 1;
            color: var(--copper);
        }

        .site-header {
            background: var(--bone);
            border-bottom: 1px solid var(--card-border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(31, 46, 36, 0.04);
        }

        .site-header .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .logo-brand .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--ink);
            color: var(--copper);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }

        @media (min-width: 768px) {
            .main-nav {
                display: flex;
                gap: 0.4rem;
            }
        }

        .main-nav a {
            position: relative;
            display: inline-block;
            padding: 0.5rem 0.8rem;
            font-size: 0.92rem;
            color: var(--ink-light);
            white-space: nowrap;
            transition: color var(--transition);
            border-radius: var(--radius-sm);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--copper);
            transition: width var(--transition-smooth), left var(--transition-smooth);
            border-radius: 1px;
        }

        .main-nav a:hover {
            color: var(--ink);
        }

        .main-nav a:hover::after {
            width: 100%;
            left: 0;
        }

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

        .main-nav a.active::after {
            width: 100%;
            left: 0;
            background: var(--copper);
        }

        .locate-pill {
            display: none;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.35rem 0.9rem;
            color: var(--ink);
            font-size: 0.85rem;
            white-space: nowrap;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            position: relative;
        }

        .locate-pill:hover {
            background: var(--copper-soft);
        }

        @media (min-width: 768px) {
            .locate-pill {
                display: inline-flex;
            }
        }

        .locate-pill .locate-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        .mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--card-border);
            color: var(--ink);
            font-size: 1.2rem;
            transition: background var(--transition);
        }

        .mobile-toggle:hover {
            background: var(--copper-soft);
        }

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

        .mobile-drawer {
            display: none;
            background: var(--bone);
            border-bottom: 1px solid var(--card-border);
            padding: 0.75rem 1rem 1rem;
            box-shadow: var(--shadow-md);
        }

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

        .mobile-drawer a {
            display: block;
            padding: 0.65rem 0.75rem;
            font-size: 0.95rem;
            color: var(--ink-light);
            border-radius: var(--radius-sm);
            border-bottom: 1px solid rgba(227, 220, 204, 0.5);
            transition: background var(--transition);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: var(--copper-soft);
            color: var(--ink);
            font-weight: 600;
        }

        .mobile-drawer .locate-pill {
            display: flex;
            margin-bottom: 0.5rem;
        }

        .hero-cat {
            padding: 3rem 0 2.5rem;
            position: relative;
            background: linear-gradient(135deg, var(--ink) 0%, #243B2D 55%, #2C4A37 100%);
            color: var(--bone);
            overflow: hidden;
        }

        .hero-cat::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(184, 155, 102, 0.08);
            pointer-events: none;
        }

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

        @media (min-width: 1024px) {
            .hero-cat .container-custom {
                grid-template-columns: 1.2fr 0.8fr;
                gap: 3rem;
            }
        }

        .hero-cat h1 {
            font-family: var(--font-serif);
            font-size: 2rem;
            line-height: 1.25;
            color: var(--bone);
            margin: 0 0 0.75rem;
            letter-spacing: 0.01em;
            animation: fadeInUp 0.6s ease-out;
        }

        @media (min-width: 640px) {
            .hero-cat h1 {
                font-size: 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-cat h1 {
                font-size: 3rem;
            }
        }

        .hero-cat .subtitle {
            font-size: 1rem;
            color: rgba(247, 244, 238, 0.8);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        @media (min-width: 640px) {
            .hero-cat .subtitle {
                font-size: 1.1rem;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--copper);
            color: var(--ink);
            border-radius: var(--radius-sm);
            padding: 0.65rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            background: #A8874F;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--bone);
            border: 1px solid rgba(247, 244, 238, 0.4);
            border-radius: var(--radius-sm);
            padding: 0.65rem 1.5rem;
            font-weight: 500;
            font-size: 0.95rem;
            transition: border-color var(--transition), background var(--transition), color var(--transition);
        }

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

        .hero-cover {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(184, 155, 102, 0.3);
            aspect-ratio: 16/10;
            background: var(--ink-deep);
        }

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

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .section-block {
            padding: 3rem 0;
        }

        @media (min-width: 1024px) {
            .section-block {
                padding: 4.5rem 0;
            }
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 1.75rem;
            line-height: 1.3;
            color: var(--ink);
            margin: 0 0 0.5rem;
        }

        @media (min-width: 640px) {
            .section-title {
                font-size: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.25rem;
            }
        }

        .section-desc {
            color: var(--weak);
            font-size: 0.95rem;
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .data-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius);
            border: 1px solid var(--card-border);
            background: var(--white);
            box-shadow: var(--shadow-sm);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
            font-size: 0.85rem;
        }

        .data-table th {
            background: var(--ink);
            color: var(--bone);
            font-weight: 600;
            padding: 0.7rem 0.9rem;
            text-align: left;
            white-space: nowrap;
            font-size: 0.82rem;
            letter-spacing: 0.02em;
        }

        .data-table td {
            padding: 0.65rem 0.9rem;
            border-bottom: 1px solid var(--card-border);
            color: var(--ink-light);
            white-space: nowrap;
        }

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

        .data-table tr:hover td {
            background: var(--copper-soft);
        }

        .tag-win {
            display: inline-block;
            background: rgba(31, 46, 36, 0.08);
            color: var(--ink);
            font-weight: 600;
            padding: 0.15rem 0.6rem;
            border-radius: 4px;
            font-size: 0.78rem;
        }

        .tag-hit {
            display: inline-block;
            background: rgba(184, 155, 102, 0.15);
            color: #7A5F2E;
            font-weight: 600;
            padding: 0.15rem 0.6rem;
            border-radius: 4px;
            font-size: 0.78rem;
        }

        .tag-miss {
            display: inline-block;
            background: rgba(107, 111, 105, 0.12);
            color: var(--weak);
            font-weight: 500;
            padding: 0.15rem 0.6rem;
            border-radius: 4px;
            font-size: 0.78rem;
        }

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

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

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

        .step-card {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1.25rem;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition);
            position: relative;
        }

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

        .step-number {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--copper);
            font-weight: 700;
            letter-spacing: 0.05em;
            display: block;
            margin-bottom: 0.4rem;
        }

        .step-card h3 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            color: var(--ink);
            margin: 0 0 0.5rem;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--weak);
            line-height: 1.7;
            margin: 0;
        }

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

        @media (min-width: 640px) {
            .stat-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.25rem;
            }
        }

        .stat-card {
            background: var(--ink);
            color: var(--bone);
            border-radius: var(--radius);
            padding: 1.25rem;
            text-align: center;
            border: 1px solid rgba(184, 155, 102, 0.2);
            transition: transform var(--transition), border-color var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-3px);
            border-color: var(--copper);
        }

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

        @media (min-width: 640px) {
            .stat-number {
                font-size: 2.5rem;
            }
        }

        .stat-label {
            font-size: 0.8rem;
            color: rgba(247, 244, 238, 0.7);
            margin-top: 0.3rem;
            display: block;
        }

        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0.75rem;
            margin-top: 1rem;
        }

        .news-item {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1rem 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .news-item:hover {
            border-color: var(--copper);
            box-shadow: var(--shadow-sm);
        }

        .news-item h4 {
            font-size: 0.95rem;
            color: var(--ink);
            margin: 0;
            font-weight: 600;
        }

        .news-item p {
            font-size: 0.85rem;
            color: var(--weak);
            line-height: 1.7;
            margin: 0;
        }

        .news-meta {
            font-size: 0.75rem;
            color: var(--copper);
            font-family: var(--font-mono);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            margin-top: 1rem;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 0.9rem 1.25rem;
            text-align: left;
            font-weight: 600;
            color: var(--ink);
            font-size: 0.95rem;
            transition: color var(--transition);
        }

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

        .faq-icon {
            font-size: 1.1rem;
            color: var(--copper);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(90deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 1.25rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1rem;
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--weak);
            line-height: 1.8;
            margin: 0;
        }

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

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

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

        .review-card {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1.25rem;
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .review-card .reviewer {
            font-weight: 600;
            color: var(--ink);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.4rem;
        }

        .review-card .reviewer .badge {
            font-size: 0.7rem;
            background: var(--copper-soft);
            color: #7A5F2E;
            padding: 0.1rem 0.5rem;
            border-radius: 4px;
            font-weight: 500;
        }

        .review-card p {
            font-size: 0.85rem;
            color: var(--weak);
            line-height: 1.75;
            margin: 0;
        }

        .brand-intro {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin-top: 1.5rem;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro h3 {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            color: var(--ink);
            margin: 0 0 0.75rem;
        }

        .brand-intro p {
            font-size: 0.9rem;
            color: var(--ink-light);
            line-height: 1.85;
            margin: 0;
        }

        .partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 1rem;
        }

        .partner-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: 20px;
            padding: 0.4rem 1rem;
            font-size: 0.82rem;
            color: var(--ink-light);
            transition: border-color var(--transition), background var(--transition);
        }

        .partner-tag:hover {
            border-color: var(--copper);
            background: var(--copper-soft);
        }

        .cta-card {
            background: var(--ink);
            color: var(--bone);
            border-radius: var(--radius);
            padding: 2rem 1.25rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            align-items: center;
            margin-top: 1.5rem;
        }

        @media (min-width: 1024px) {
            .cta-card {
                grid-template-columns: 1.2fr 0.8fr;
                padding: 2.5rem 2rem;
                gap: 2rem;
            }
        }

        .cta-card h2 {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            color: var(--bone);
            margin: 0 0 0.5rem;
        }

        .cta-card p {
            color: rgba(247, 244, 238, 0.75);
            font-size: 0.9rem;
            line-height: 1.8;
            margin: 0 0 1rem;
        }

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

        .form-group label {
            display: block;
            font-size: 0.85rem;
            color: var(--bone);
            opacity: 0.85;
            margin-bottom: 0.3rem;
            font-weight: 500;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: rgba(247, 244, 238, 0.08);
            border: 1px solid rgba(247, 244, 238, 0.2);
            border-radius: var(--radius-sm);
            padding: 0.6rem 0.9rem;
            color: var(--bone);
            font-size: 0.9rem;
            transition: border-color var(--transition), background var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--copper);
            background: rgba(247, 244, 238, 0.12);
        }

        .form-group select option {
            background: var(--ink);
            color: var(--bone);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding: 2.5rem 0 1.5rem;
        }

        @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: 2.5rem;
            }
        }

        .footer-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--bone);
            margin: 0 0 0.75rem;
            letter-spacing: 0.03em;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
            font-size: 0.85rem;
            color: rgba(247, 244, 238, 0.6);
        }

        .footer-links a {
            color: rgba(247, 244, 238, 0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(247, 244, 238, 0.12);
            padding: 1.25rem 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            font-size: 0.78rem;
            color: rgba(247, 244, 238, 0.45);
        }

        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: space-between;
                align-items: center;
            }
        }

        .footer-bottom a {
            color: rgba(247, 244, 238, 0.45);
        }

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

        .footer-disclaimer {
            font-size: 0.75rem;
            color: rgba(247, 244, 238, 0.35);
            line-height: 1.7;
            margin: 0.75rem 0 0;
            padding-bottom: 1.5rem;
        }

/* roulang page: category1 */
:root {
            --ink: #1F2E24;
            --ink-deep: #17251C;
            --ink-light: #2A3730;
            --copper: #B89B66;
            --copper-soft: rgba(184, 155, 102, 0.12);
            --copper-softer: rgba(184, 155, 102, 0.06);
            --bone: #F7F4EE;
            --weak: #6B6F69;
            --card-border: #E3DCCC;
            --card-bg: #FBF9F4;
            --white: #FFFFFF;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(31, 46, 36, 0.06);
            --shadow-md: 0 4px 12px rgba(31, 46, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(31, 46, 36, 0.12);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
            --font-mono: "IBM Plex Mono", "JetBrains Mono", "Courier New", monospace;
            --transition: 200ms ease;
            --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bone);
            color: var(--ink-light);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
            margin: 0;
        }

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

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

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

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

        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: 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;
            }
        }

        /* Top utility bar */
        .top-utility {
            background: var(--ink);
            color: var(--bone);
            font-size: 0.82rem;
            padding-top: 0.4rem;
            padding-bottom: 0.4rem;
            border-bottom: 1px solid rgba(184, 155, 102, 0.25);
        }

        .top-utility .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .top-utility a {
            color: var(--bone);
            opacity: 0.85;
            transition: opacity var(--transition);
        }

        .top-utility a:hover {
            opacity: 1;
            color: var(--copper);
        }

        .top-utility .utility-right {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* Main header */
        .site-header {
            background: var(--bone);
            border-bottom: 1px solid var(--card-border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(31, 46, 36, 0.04);
        }

        .site-header .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            gap: 1rem;
            flex-wrap: nowrap;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .logo-brand .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--ink);
            color: var(--copper);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }

        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
                gap: 0.4rem;
            }
        }

        .main-nav a {
            position: relative;
            display: inline-block;
            padding: 0.5rem 0.75rem;
            font-size: 0.9rem;
            color: var(--ink-light);
            white-space: nowrap;
            transition: color var(--transition);
            border-radius: var(--radius-sm);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--copper);
            transition: width var(--transition-smooth), left var(--transition-smooth);
            border-radius: 1px;
        }

        .main-nav a:hover {
            color: var(--ink);
        }

        .main-nav a:hover::after {
            width: 100%;
            left: 0;
        }

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

        .main-nav a.active::after {
            width: 100%;
            left: 0;
            background: var(--copper);
        }

        .locate-pill {
            display: none;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.3rem 0.8rem;
            color: var(--ink);
            font-size: 0.82rem;
            white-space: nowrap;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            position: relative;
            background: var(--white);
        }

        .locate-pill:hover {
            background: var(--copper-soft);
        }

        @media (min-width: 768px) {
            .locate-pill {
                display: inline-flex;
            }
        }

        .locate-pill .locate-arrow {
            font-size: 0.65rem;
            transition: transform var(--transition);
        }

        .locate-pill.open .locate-arrow {
            transform: rotate(180deg);
        }

        /* Mobile hamburger */
        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0.4rem;
            margin-left: auto;
        }

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

        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 1px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            background: var(--bone);
            border-bottom: 1px solid var(--card-border);
            padding: 0.5rem 0 1rem 0;
            box-shadow: var(--shadow-md);
        }

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

        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .mobile-drawer nav a {
            padding: 0.6rem 1rem;
            font-size: 0.95rem;
            color: var(--ink-light);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }

        .mobile-drawer nav a:hover {
            background: var(--copper-soft);
            color: var(--ink);
        }

        .mobile-drawer nav a.active {
            background: var(--copper-soft);
            color: var(--ink);
            font-weight: 600;
        }

        /* Hero */
        .hero-category {
            position: relative;
            background-image: linear-gradient(rgba(31, 46, 36, 0.82), rgba(31, 46, 36, 0.75)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: var(--white);
            padding: 4rem 0 3rem;
            overflow: hidden;
        }

        .hero-category .hero-content {
            max-width: 800px;
        }

        .hero-category h1 {
            font-family: var(--font-serif);
            font-size: 2.25rem;
            line-height: 1.3;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 1rem;
            animation: fadeInUp 0.7s ease forwards;
        }

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

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

        .hero-category .hero-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.8;
            margin-bottom: 1.5rem;
            max-width: 680px;
        }

        .hero-category .hero-data-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(184, 155, 102, 0.4);
            margin-top: 1.5rem;
        }

        .hero-category .hero-data-strip .data-item {
            display: flex;
            align-items: baseline;
            gap: 0.4rem;
        }

        .hero-category .hero-data-strip .data-number {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--copper);
            line-height: 1;
        }

        .hero-category .hero-data-strip .data-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Buttons */
        .btn-primary {
            display: inline-block;
            background: var(--ink);
            color: var(--bone);
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--ink);
        }

        .btn-primary:hover {
            background: var(--ink-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--ink);
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            border: 1px solid var(--copper);
        }

        .btn-secondary:hover {
            background: var(--copper);
            color: var(--ink-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

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

        /* Section titles */
        .section-title {
            font-family: var(--font-serif);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
            margin-bottom: 0.5rem;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--weak);
            line-height: 1.8;
            max-width: 700px;
            margin-bottom: 2rem;
        }

        /* Cards */
        .data-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--copper);
        }

        /* Focus match card */
        .focus-match-card {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .focus-match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--copper);
        }

        .focus-match-card .match-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .focus-match-card .match-img .match-league-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(31, 46, 36, 0.85);
            color: var(--bone);
            font-size: 0.72rem;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            letter-spacing: 0.03em;
        }

        .focus-match-card .match-body {
            padding: 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .focus-match-card .match-teams {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.5rem;
        }

        .focus-match-card .match-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: var(--weak);
            margin-bottom: 0.75rem;
        }

        .focus-match-card .match-odds {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-top: auto;
        }

        .focus-match-card .odds-tag {
            background: var(--copper-soft);
            border: 1px solid rgba(184, 155, 102, 0.3);
            border-radius: 4px;
            padding: 0.2rem 0.6rem;
            font-size: 0.78rem;
            color: var(--ink);
            font-family: var(--font-mono);
        }

        /* League filter */
        .league-filter-card {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
        }

        .league-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: var(--copper-soft);
            border: 1px solid rgba(184, 155, 102, 0.3);
            border-radius: 20px;
            padding: 0.3rem 0.9rem;
            font-size: 0.82rem;
            color: var(--ink);
            cursor: pointer;
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .league-tag:hover {
            background: var(--copper);
            border-color: var(--copper);
            transform: translateY(-1px);
        }

        .league-tag.active-tag {
            background: var(--ink);
            border-color: var(--ink);
            color: var(--bone);
        }

        /* Data list */
        .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid var(--card-border);
            background: var(--white);
            transition: background var(--transition);
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .data-row:last-child {
            border-bottom: none;
        }

        .data-row:hover {
            background: var(--copper-softer);
        }

        .data-row .row-left {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .data-row .row-league {
            font-size: 0.78rem;
            color: var(--weak);
            background: var(--bone);
            padding: 0.15rem 0.6rem;
            border-radius: 4px;
            white-space: nowrap;
        }

        .data-row .row-teams {
            font-weight: 600;
            color: var(--ink);
            font-size: 0.95rem;
        }

        .data-row .row-odds {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .data-row .row-odds span {
            font-family: var(--font-mono);
            font-size: 0.82rem;
            color: var(--ink-light);
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 4px;
            padding: 0.15rem 0.5rem;
            white-space: nowrap;
        }

        .data-row .row-time {
            font-size: 0.8rem;
            color: var(--weak);
            font-family: var(--font-mono);
            white-space: nowrap;
        }

        /* Section backgrounds */
        .section-alt {
            background: var(--white);
            border-top: 1px solid var(--card-border);
            border-bottom: 1px solid var(--card-border);
        }

        .section-dark {
            background: var(--ink);
            color: var(--bone);
            border-radius: var(--radius);
            padding: 2rem;
        }

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

        .section-dark .section-desc {
            color: rgba(247, 244, 238, 0.75);
        }

        /* FAQ */
        .faq-item {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.open {
            border-color: var(--copper);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.2rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--ink);
            font-size: 0.95rem;
            gap: 1rem;
            transition: background var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            background: var(--copper-softer);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--copper);
            color: var(--copper);
            font-size: 1rem;
            transition: transform var(--transition-smooth);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--copper);
            color: var(--ink-deep);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 1.2rem;
            font-size: 0.9rem;
            color: var(--ink-light);
            line-height: 1.8;
        }

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

        /* CTA section */
        .cta-section {
            background: var(--ink);
            color: var(--bone);
            padding: 3rem 0;
        }

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

        .cta-section .cta-form input,
        .cta-section .cta-form select,
        .cta-section .cta-form textarea {
            width: 100%;
            background: rgba(247, 244, 238, 0.08);
            border: 1px solid rgba(184, 155, 102, 0.4);
            border-radius: var(--radius-sm);
            padding: 0.75rem 1rem;
            color: var(--bone);
            font-size: 0.95rem;
            transition: border-color var(--transition), background var(--transition);
        }

        .cta-section .cta-form input::placeholder,
        .cta-section .cta-form textarea::placeholder {
            color: rgba(247, 244, 238, 0.5);
        }

        .cta-section .cta-form input:focus,
        .cta-section .cta-form select:focus,
        .cta-section .cta-form textarea:focus {
            outline: none;
            border-color: var(--copper);
            background: rgba(247, 244, 238, 0.12);
        }

        .cta-section .cta-form select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23B89B66' d='M6 8.5L1.5 4h9z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 0.8rem center;
        }

        /* Footer */
        .site-footer {
            background: var(--ink);
            color: var(--bone);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(184, 155, 102, 0.25);
            margin-bottom: 1.5rem;
        }

        @media (min-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1.5fr;
                gap: 1.5rem;
            }
        }

        .site-footer .footer-brand p {
            font-size: 0.85rem;
            color: rgba(247, 244, 238, 0.7);
            line-height: 1.7;
            margin-top: 0.75rem;
            max-width: 320px;
        }

        .site-footer .footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--copper);
            margin-bottom: 0.75rem;
            letter-spacing: 0.05em;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .site-footer .footer-links li {
            font-size: 0.85rem;
            color: rgba(247, 244, 238, 0.7);
        }

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

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            font-size: 0.8rem;
            color: rgba(247, 244, 238, 0.55);
            padding-bottom: 1rem;
        }

        .site-footer .footer-bottom a {
            color: rgba(247, 244, 238, 0.7);
        }

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

        .site-footer .footer-disclaimer {
            font-size: 0.72rem;
            color: rgba(247, 244, 238, 0.4);
            line-height: 1.6;
            margin-top: 0.5rem;
        }

        /* Utility animations */
        @keyframes pulse-soft {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        .animate-pulse-soft {
            animation: pulse-soft 2.5s ease-in-out infinite;
        }

        /* Bar chart */
        .bar-chart {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .bar-chart .bar-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .bar-chart .bar-label {
            font-size: 0.8rem;
            color: var(--weak);
            min-width: 60px;
            text-align: right;
        }

        .bar-chart .bar-track {
            flex: 1;
            height: 8px;
            background: var(--bone);
            border-radius: 4px;
            overflow: hidden;
        }

        .bar-chart .bar-fill {
            height: 100%;
            background: var(--copper);
            border-radius: 4px;
            transition: width var(--transition-smooth);
        }

        .bar-chart .bar-value {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--ink);
            min-width: 40px;
            text-align: left;
        }

        /* Scrollable table wrapper */
        .table-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .table-scroll table {
            min-width: 720px;
            width: 100%;
            border-collapse: collapse;
        }

        .table-scroll th,
        .table-scroll td {
            padding: 0.7rem 1rem;
            text-align: left;
            font-size: 0.85rem;
            border-bottom: 1px solid var(--card-border);
            white-space: nowrap;
        }

        .table-scroll th {
            font-weight: 600;
            color: var(--ink);
            background: var(--card-bg);
            font-size: 0.8rem;
            letter-spacing: 0.04em;
        }

        .table-scroll td {
            color: var(--ink-light);
        }

        .table-scroll tr:hover td {
            background: var(--copper-softer);
        }

        /* Responsive utilities */
        @media (max-width: 640px) {
            .hero-category h1 {
                font-size: 1.9rem;
            }
            .hero-category .hero-sub {
                font-size: 0.95rem;
            }
            .hero-category .hero-data-strip .data-number {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .data-card {
                padding: 1.2rem;
            }
        }

        @media (max-width: 768px) {
            .top-utility .container-custom {
                justify-content: center;
                text-align: center;
            }
            .top-utility .utility-right {
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root {
            --ink: #1F2E24;
            --ink-deep: #17251C;
            --ink-light: #2A3730;
            --copper: #B89B66;
            --copper-soft: rgba(184, 155, 102, 0.12);
            --bone: #F7F4EE;
            --weak: #6B6F69;
            --card-border: #E3DCCC;
            --card-bg: #FBF9F4;
            --white: #FFFFFF;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(31, 46, 36, 0.06);
            --shadow-md: 0 4px 12px rgba(31, 46, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(31, 46, 36, 0.12);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
            --font-mono: "IBM Plex Mono", "JetBrains Mono", "Courier New", monospace;
            --transition: 200ms ease;
            --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bone);
            color: var(--ink-light);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
            margin: 0;
        }

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

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

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

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

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

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

        /* Top utility bar */
        .top-utility {
            background: var(--ink);
            color: var(--bone);
            font-size: 0.78rem;
            padding-top: 0.35rem;
            padding-bottom: 0.35rem;
        }
        .top-utility .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .top-utility a {
            color: var(--bone);
            opacity: 0.85;
            transition: opacity var(--transition);
        }
        .top-utility a:hover {
            opacity: 1;
            color: var(--copper);
        }
        .top-utility .utility-left,
        .top-utility .utility-right {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* Main header */
        .site-header {
            background: var(--bone);
            border-bottom: 1px solid var(--card-border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(31, 46, 36, 0.04);
        }
        .site-header .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .logo-brand .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--ink);
            color: var(--copper);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* Navigation */
        .main-nav {
            display: none;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: nowrap;
        }
        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
        }
        .main-nav a {
            position: relative;
            display: inline-block;
            padding: 0.5rem 0.8rem;
            font-size: 0.92rem;
            color: var(--ink-light);
            white-space: nowrap;
            transition: color var(--transition);
            border-radius: var(--radius-sm);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--copper);
            transition: width var(--transition-smooth), left var(--transition-smooth);
            border-radius: 1px;
        }
        .main-nav a:hover {
            color: var(--ink);
        }
        .main-nav a:hover::after {
            width: 100%;
            left: 0;
        }
        .main-nav a.active {
            color: var(--ink);
            font-weight: 600;
        }
        .main-nav a.active::after {
            width: 100%;
            left: 0;
            background: var(--copper);
        }

        /* Locate pill */
        .locate-pill {
            display: none;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.35rem 0.9rem;
            color: var(--ink);
            font-size: 0.85rem;
            white-space: nowrap;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            position: relative;
        }
        @media (min-width: 768px) {
            .locate-pill {
                display: inline-flex;
            }
        }
        .locate-pill:hover {
            background: var(--copper-soft);
        }
        .locate-pill .locate-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }
        .city-dropdown {
            position: absolute;
            top: calc(100% + 0.5rem);
            right: 0;
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            min-width: 200px;
            padding: 0.5rem 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-4px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 60;
        }
        .locate-pill:hover .city-dropdown,
        .locate-pill:focus-within .city-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .city-dropdown a {
            display: block;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            color: var(--ink-light);
        }
        .city-dropdown a:hover {
            background: var(--copper-soft);
            color: var(--ink);
        }

        /* Mobile menu toggle */
        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--card-border);
            color: var(--ink);
            font-size: 1.2rem;
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 85%;
            max-width: 360px;
            height: 100vh;
            background: var(--bone);
            z-index: 100;
            padding: 1.5rem;
            overflow-y: auto;
            transition: right var(--transition-smooth);
            box-shadow: -8px 0 24px rgba(31, 46, 36, 0.15);
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(31, 46, 36, 0.45);
            z-index: 90;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition), visibility var(--transition);
        }
        .mobile-drawer-backdrop.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer .drawer-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            color: var(--ink);
            font-size: 1.1rem;
        }
        .mobile-drawer .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
            margin-top: 3rem;
        }
        .mobile-drawer .mobile-nav-links a {
            padding: 0.75rem 0.5rem;
            font-size: 1rem;
            border-bottom: 1px solid var(--card-border);
            color: var(--ink-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-drawer .mobile-nav-links a.active {
            color: var(--ink);
            font-weight: 600;
        }
        .mobile-drawer .mobile-nav-links a::after {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--copper);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--ink);
            color: var(--bone);
            border-radius: var(--radius-sm);
            padding: 0.65rem 1.4rem;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--ink);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--ink-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--copper);
            border-radius: var(--radius-sm);
            padding: 0.65rem 1.4rem;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--copper);
            color: var(--ink-deep);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }

        /* Cards */
        .data-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition);
        }
        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--copper);
        }

        /* Section headings */
        .section-title {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--weak);
            margin-top: 0.5rem;
            line-height: 1.7;
        }

        /* Hero */
        .page-hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(31, 46, 36, 0.75);
            z-index: 1;
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--bone);
            line-height: 1.25;
            letter-spacing: 0.02em;
            animation: fadeUp 0.7s ease forwards;
        }
        .page-hero .hero-sub {
            font-size: 1.05rem;
            color: rgba(247, 244, 238, 0.85);
            margin-top: 1rem;
            max-width: 640px;
            line-height: 1.8;
            animation: fadeUp 0.7s ease 0.15s forwards;
            opacity: 0;
        }
        .page-hero .hero-actions {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
            flex-wrap: wrap;
            animation: fadeUp 0.7s ease 0.3s forwards;
            opacity: 0;
        }
        .page-hero .hero-actions .btn-secondary {
            background: rgba(247, 244, 238, 0.1);
            color: var(--bone);
            border-color: rgba(184, 155, 102, 0.6);
            backdrop-filter: blur(2px);
        }
        .page-hero .hero-stats {
            display: flex;
            gap: 2rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
            animation: fadeUp 0.7s ease 0.45s forwards;
            opacity: 0;
        }
        .page-hero .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }
        .page-hero .hero-stats .stat-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--copper);
        }
        .page-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(247, 244, 238, 0.7);
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(18px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Matrix table */
        .matrix-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            background: var(--white);
        }
        .matrix-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 640px;
        }
        .matrix-table th {
            background: var(--ink);
            color: var(--bone);
            padding: 0.7rem 0.9rem;
            font-weight: 500;
            text-align: center;
            white-space: nowrap;
            font-size: 0.82rem;
        }
        .matrix-table td {
            padding: 0.55rem 0.9rem;
            text-align: center;
            border-bottom: 1px solid var(--card-border);
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--ink-light);
            white-space: nowrap;
        }
        .matrix-table tr:nth-child(even) td {
            background: var(--card-bg);
        }
        .matrix-table tr:hover td {
            background: var(--copper-soft);
        }
        .matrix-table .score-highlight {
            color: var(--copper);
            font-weight: 700;
        }

        /* Over-under bars */
        .ou-bar-row {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
        }
        .ou-bar-label {
            font-size: 0.85rem;
            color: var(--ink-light);
            min-width: 70px;
            text-align: right;
            font-weight: 500;
        }
        .ou-bar-track {
            flex: 1;
            height: 22px;
            background: var(--card-bg);
            border-radius: 4px;
            overflow: hidden;
            border: 1px solid var(--card-border);
        }
        .ou-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: var(--copper);
            transition: width var(--transition-smooth);
        }
        .ou-bar-fill.ink {
            background: var(--ink);
        }
        .ou-bar-fill.copper-light {
            background: rgba(184, 155, 102, 0.55);
        }
        .ou-bar-pct {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--ink);
            min-width: 48px;
            text-align: left;
            font-weight: 600;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            background: var(--white);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: var(--copper);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 500;
            color: var(--ink);
            font-size: 0.95rem;
            line-height: 1.5;
            user-select: none;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--copper-soft);
            color: var(--copper);
            font-size: 0.85rem;
            transition: transform var(--transition-smooth);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(90deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 1.25rem;
            color: var(--ink-light);
            font-size: 0.9rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }

        /* Read card */
        .read-card {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition);
        }
        .read-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--copper);
        }
        .read-card .read-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--card-bg);
        }
        .read-card .read-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .read-card:hover .read-card-img img {
            transform: scale(1.04);
        }
        .read-card .read-card-body {
            padding: 1.25rem;
        }
        .read-card .read-card-tag {
            display: inline-block;
            font-size: 0.72rem;
            color: var(--copper);
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.15rem 0.6rem;
            margin-bottom: 0.5rem;
        }
        .read-card h3 {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
        }
        .read-card p {
            font-size: 0.88rem;
            color: var(--weak);
            margin-top: 0.5rem;
            line-height: 1.7;
        }

        /* CTA section */
        .cta-section {
            background: var(--ink);
            color: var(--bone);
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        .cta-section .section-title {
            color: var(--bone);
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            background: rgba(247, 244, 238, 0.08);
            border: 1px solid rgba(184, 155, 102, 0.35);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1rem;
            color: var(--bone);
            font-size: 0.9rem;
            transition: border-color var(--transition), background var(--transition);
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(247, 244, 238, 0.5);
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            outline: none;
            border-color: var(--copper);
            background: rgba(247, 244, 238, 0.12);
        }
        .cta-form select option {
            background: var(--ink);
            color: var(--bone);
        }

        /* Footer */
        .site-footer {
            background: var(--ink-deep);
            color: rgba(247, 244, 238, 0.75);
            padding-top: 3.5rem;
            padding-bottom: 2rem;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1.5fr;
            }
        }
        .site-footer .logo-brand {
            color: var(--bone);
            font-size: 1.35rem;
        }
        .site-footer .logo-brand .logo-mark {
            background: var(--copper);
            color: var(--ink);
        }
        .site-footer .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.75;
            margin-top: 0.75rem;
            color: rgba(247, 244, 238, 0.65);
        }
        .site-footer .footer-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--bone);
            margin-bottom: 0.75rem;
            font-family: var(--font-serif);
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 0.5rem;
            font-size: 0.85rem;
        }
        .site-footer .footer-links a {
            color: rgba(247, 244, 238, 0.7);
            transition: color var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--copper);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(247, 244, 238, 0.15);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            font-size: 0.78rem;
            color: rgba(247, 244, 238, 0.55);
        }
        .site-footer .footer-bottom a {
            color: rgba(247, 244, 238, 0.55);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--copper);
        }
        .site-footer .footer-disclaimer {
            font-size: 0.75rem;
            color: rgba(247, 244, 238, 0.45);
            margin-top: 1rem;
            line-height: 1.6;
        }

        /* Section spacing */
        .section-pad {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

/* roulang page: category4 */
:root {
            --ink: #1F2E24;
            --ink-deep: #17251C;
            --ink-light: #2A3730;
            --copper: #B89B66;
            --copper-soft: rgba(184, 155, 102, 0.12);
            --bone: #F7F4EE;
            --weak: #6B6F69;
            --card-border: #E3DCCC;
            --card-bg: #FBF9F4;
            --white: #FFFFFF;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(31, 46, 36, 0.06);
            --shadow-md: 0 4px 12px rgba(31, 46, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(31, 46, 36, 0.12);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
            --font-mono: "IBM Plex Mono", "JetBrains Mono", "Courier New", monospace;
            --transition: 200ms ease;
            --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bone);
            color: var(--ink-light);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: 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;
            }
        }
        .top-utility {
            background: var(--ink);
            color: var(--bone);
            font-size: 0.75rem;
            padding-top: 0.35rem;
            padding-bottom: 0.35rem;
        }
        .top-utility .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .top-utility a {
            color: var(--bone);
            opacity: 0.85;
            transition: opacity var(--transition);
        }
        .top-utility a:hover {
            opacity: 1;
            color: var(--copper);
        }
        .site-header {
            background: var(--bone);
            border-bottom: 1px solid var(--card-border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(31, 46, 36, 0.04);
        }
        .site-header .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .logo-brand .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--ink);
            color: var(--copper);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }
        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
                gap: 0.4rem;
            }
        }
        .main-nav a {
            position: relative;
            display: inline-block;
            padding: 0.5rem 0.8rem;
            font-size: 0.92rem;
            color: var(--ink-light);
            white-space: nowrap;
            transition: color var(--transition);
            border-radius: var(--radius-sm);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--copper);
            transition: width var(--transition-smooth), left var(--transition-smooth);
            border-radius: 1px;
        }
        .main-nav a:hover {
            color: var(--ink);
        }
        .main-nav a:hover::after {
            width: 100%;
            left: 0;
        }
        .main-nav a.active {
            color: var(--ink);
            font-weight: 600;
        }
        .main-nav a.active::after {
            width: 100%;
            left: 0;
            background: var(--copper);
        }
        .locate-pill {
            display: none;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.35rem 0.9rem;
            color: var(--ink);
            font-size: 0.85rem;
            white-space: nowrap;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            position: relative;
        }
        @media (min-width: 640px) {
            .locate-pill {
                display: inline-flex;
            }
        }
        .locate-pill:hover {
            background: var(--copper-soft);
        }
        .locate-pill .locate-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }
        .locate-pill:hover .locate-arrow {
            transform: rotate(180deg);
        }
        .mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--card-border);
            color: var(--ink);
            font-size: 1.2rem;
            transition: background var(--transition);
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }
        .mobile-toggle:hover {
            background: var(--copper-soft);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            background: var(--bone);
            z-index: 100;
            box-shadow: -8px 0 24px rgba(31, 46, 36, 0.18);
            padding: 1.5rem 1.25rem;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-close {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--card-border);
            font-size: 1.4rem;
            color: var(--ink);
            margin-bottom: 1rem;
        }
        .mobile-drawer a {
            display: block;
            padding: 0.7rem 0.5rem;
            font-size: 1rem;
            color: var(--ink-light);
            border-bottom: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
        }
        .mobile-drawer a.active {
            color: var(--ink);
            font-weight: 600;
            background: var(--copper-soft);
        }
        .mobile-drawer .locate-pill-mobile {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.45rem 1rem;
            color: var(--ink);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        @media (min-width: 1024px) {
            .mobile-drawer {
                display: none !important;
            }
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(31, 46, 36, 0.4);
            z-index: 90;
        }
        .drawer-overlay.open {
            display: block;
        }

        /* Hero */
        .hero-inner {
            position: relative;
            padding-top: 4rem;
            padding-bottom: 4rem;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius);
            margin-top: 1.5rem;
            margin-bottom: 2rem;
            overflow: hidden;
        }
        .hero-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31,46,36,0.92) 0%, rgba(31,46,36,0.75) 55%, rgba(31,46,36,0.55) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: var(--bone);
            max-width: 720px;
            padding: 2rem;
        }
        .hero-content h1 {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            line-height: 1.25;
            font-weight: 700;
            color: #FFFFFF;
            animation: heroFadeUp 700ms ease-out both;
        }
        .hero-content p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.82);
            margin-top: 1.2rem;
            max-width: 620px;
            animation: heroFadeUp 700ms ease-out 150ms both;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
            animation: heroFadeUp 700ms ease-out 300ms both;
        }
        @keyframes heroFadeUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @media (min-width: 640px) {
            .hero-content h1 {
                font-size: 3.2rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-content h1 {
                font-size: 3.8rem;
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--ink);
            color: var(--bone);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background var(--transition), transform var(--transition-smooth), box-shadow var(--transition);
            border: 1px solid var(--ink);
        }
        .btn-primary:hover {
            background: var(--ink-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: var(--bone);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--ink);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background var(--transition), color var(--transition), transform var(--transition-smooth);
            border: 1px solid var(--copper);
        }
        .btn-secondary:hover {
            background: var(--copper);
            color: var(--ink-deep);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }

        /* Section */
        .section {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
        }
        .section-sub {
            color: var(--weak);
            margin-top: 0.5rem;
            font-size: 0.95rem;
            max-width: 680px;
        }
        .card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--copper);
        }

        /* 九宫格 */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0.5rem;
        }
        .matrix-label {
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--weak);
            font-size: 0.85rem;
            padding: 0.5rem;
        }
        .matrix-cell {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            padding: 1rem 0.5rem;
            text-align: center;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-height: 90px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .matrix-cell:hover {
            border-color: var(--copper);
            box-shadow: var(--shadow-md);
        }
        .matrix-cell .cell-value {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.2;
        }
        .matrix-cell .cell-desc {
            font-size: 0.72rem;
            color: var(--weak);
            margin-top: 0.25rem;
        }
        .matrix-cell.highlight {
            border-color: var(--copper);
            background: var(--copper-soft);
        }
        .matrix-cell.highlight .cell-value {
            color: var(--ink);
        }
        @media (max-width: 640px) {
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* 条形图 */
        .bar-chart-item {
            margin-bottom: 1.2rem;
        }
        .bar-chart-label {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.9rem;
            color: var(--ink-light);
            margin-bottom: 0.4rem;
        }
        .bar-chart-label .bar-value {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--ink);
        }
        .bar-track {
            background: #E8E4DB;
            border-radius: 4px;
            height: 10px;
            overflow: hidden;
        }
        .bar-fill {
            height: 100%;
            background: var(--copper);
            border-radius: 4px;
            transition: width 1s ease-out;
        }
        .bar-fill.ink {
            background: var(--ink);
        }
        .bar-fill.copper {
            background: var(--copper);
        }

        /* 结论面板 */
        .conclusion-panel {
            background: var(--ink);
            color: var(--bone);
            border-radius: var(--radius);
            padding: 2.5rem 2rem;
            position: relative;
            overflow: hidden;
        }
        .conclusion-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(184, 155, 102, 0.15);
        }
        .conclusion-panel h3 {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: #FFFFFF;
            position: relative;
            z-index: 1;
        }
        .conclusion-panel ul {
            position: relative;
            z-index: 1;
            margin-top: 1.2rem;
            list-style: none;
            padding: 0;
        }
        .conclusion-panel ul li {
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.12);
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }
        .conclusion-panel ul li::before {
            content: '◆';
            color: var(--copper);
            font-size: 0.75rem;
            margin-top: 0.3rem;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            margin-bottom: 0.8rem;
            background: var(--card-bg);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: var(--copper);
        }
        .faq-item.open {
            border-color: var(--copper);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.25rem;
            font-weight: 600;
            color: var(--ink);
            font-size: 0.95rem;
            text-align: left;
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--copper);
            transition: transform var(--transition-smooth);
            font-weight: 300;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }
        .faq-answer-inner {
            padding: 0 1.25rem 1.25rem;
            color: var(--ink-light);
            font-size: 0.92rem;
        }

        /* CTA Form */
        .form-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 2rem;
        }
        .form-input {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            background: var(--white);
            color: var(--ink-light);
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--copper);
            box-shadow: 0 0 0 3px var(--copper-soft);
        }
        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 0.35rem;
        }
        select.form-input {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231F2E24' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 1rem center;
            padding-right: 2.5rem;
        }
        textarea.form-input {
            min-height: 100px;
            resize: vertical;
        }

        /* Footer */
        .site-footer {
            background: var(--ink);
            color: var(--bone);
            margin-top: auto;
            padding-top: 3.5rem;
            padding-bottom: 2rem;
            font-size: 0.9rem;
        }
        .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 1.2fr;
            }
        }
        .footer-brand p {
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            margin-top: 0.8rem;
            max-width: 320px;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.9rem;
            font-family: var(--font-serif);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.55rem;
        }
        .footer-links a {
            color: rgba(255,255,255,0.7);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--copper);
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.12);
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
        }
        .footer-bottom a:hover {
            color: var(--copper);
        }
        .footer-disclaimer {
            margin-top: 1.2rem;
            font-size: 0.7rem;
            color: rgba(255,255,255,0.35);
            line-height: 1.6;
        }
        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
        }

        /* 统计卡片 */
        .stat-card {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--copper);
        }
        .stat-number {
            font-family: var(--font-mono);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.2;
        }
        .stat-unit {
            font-size: 0.85rem;
            color: var(--weak);
            margin-top: 0.3rem;
        }
        .stat-desc {
            font-size: 0.9rem;
            color: var(--ink-light);
            margin-top: 0.8rem;
        }

        /* 详情表格 */
        .table-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            background: var(--white);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 700px;
        }
        .data-table thead {
            background: var(--ink);
            color: var(--bone);
        }
        .data-table thead th {
            padding: 0.9rem 1rem;
            text-align: left;
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
        }
        .data-table tbody tr {
            border-bottom: 1px solid var(--card-border);
            transition: background var(--transition);
        }
        .data-table tbody tr:last-child {
            border-bottom: none;
        }
        .data-table tbody tr:hover {
            background: var(--copper-soft);
        }
        .data-table tbody td {
            padding: 0.8rem 1rem;
            color: var(--ink-light);
            white-space: nowrap;
        }
        .data-table tbody td:first-child {
            font-weight: 600;
            color: var(--ink);
        }
        .tag {
            display: inline-block;
            padding: 0.15rem 0.6rem;
            border-radius: 4px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .tag-copper {
            background: var(--copper-soft);
            color: var(--copper);
        }
        .tag-ink {
            background: var(--ink);
            color: var(--bone);
        }
        .tag-outline {
            border: 1px solid var(--copper);
            color: var(--copper);
        }

/* roulang page: category6 */
:root {
            --ink: #1F2E24;
            --ink-deep: #17251C;
            --ink-light: #2A3730;
            --copper: #B89B66;
            --copper-soft: rgba(184, 155, 102, 0.12);
            --bone: #F7F4EE;
            --weak: #6B6F69;
            --card-border: #E3DCCC;
            --card-bg: #FBF9F4;
            --white: #FFFFFF;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(31, 46, 36, 0.06);
            --shadow-md: 0 4px 12px rgba(31, 46, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(31, 46, 36, 0.12);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
            --font-mono: "IBM Plex Mono", "JetBrains Mono", "Courier New", monospace;
            --transition: 200ms ease;
            --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bone);
            color: var(--ink-light);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

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

        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: 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;
            }
        }

        .top-utility {
            background: var(--ink-deep);
            color: var(--bone);
            font-size: 0.8rem;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(184, 155, 102, 0.25);
        }

        .top-utility .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .top-utility a {
            color: var(--bone);
            opacity: 0.85;
            transition: opacity var(--transition);
        }

        .top-utility a:hover {
            opacity: 1;
            color: var(--copper);
        }

        .site-header {
            background: var(--bone);
            border-bottom: 1px solid var(--card-border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(31, 46, 36, 0.04);
        }

        .site-header .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .logo-brand .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--ink);
            color: var(--copper);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }

        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
                gap: 0.4rem;
            }
        }

        .main-nav a {
            position: relative;
            display: inline-block;
            padding: 0.5rem 0.8rem;
            font-size: 0.92rem;
            color: var(--ink-light);
            white-space: nowrap;
            transition: color var(--transition);
            border-radius: var(--radius-sm);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--copper);
            transition: width var(--transition-smooth), left var(--transition-smooth);
            border-radius: 1px;
        }

        .main-nav a:hover {
            color: var(--ink);
        }

        .main-nav a:hover::after {
            width: 100%;
            left: 0;
        }

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

        .main-nav a.active::after {
            width: 100%;
            left: 0;
            background: var(--copper);
        }

        .locate-pill {
            display: none;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.35rem 0.9rem;
            color: var(--ink);
            font-size: 0.85rem;
            white-space: nowrap;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            position: relative;
        }

        @media (min-width: 640px) {
            .locate-pill {
                display: inline-flex;
            }
        }

        .locate-pill:hover {
            background: var(--copper-soft);
        }

        .locate-pill .locate-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--card-border);
            background: var(--card-bg);
            cursor: pointer;
            transition: background var(--transition);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--ink);
            border-radius: 1px;
            transition: transform var(--transition-smooth), opacity var(--transition);
        }

        .hamburger:hover {
            background: var(--copper-soft);
        }

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

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--bone);
            box-shadow: var(--shadow-lg);
            z-index: 80;
            transform: translateX(-100%);
            transition: transform var(--transition-smooth);
            padding: 1.5rem;
            overflow-y: auto;
            border-right: 1px solid var(--card-border);
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(31, 46, 36, 0.45);
            z-index: 70;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }

        .drawer-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer a {
            display: block;
            padding: 0.7rem 0.5rem;
            color: var(--ink-light);
            font-size: 1rem;
            border-bottom: 1px solid var(--card-border);
            transition: color var(--transition), padding-left var(--transition);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--ink);
            padding-left: 1rem;
            font-weight: 600;
            border-bottom-color: var(--copper);
        }

        .drawer-close {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .drawer-close span {
            font-family: var(--font-serif);
            font-weight: 700;
            color: var(--ink);
            font-size: 1.2rem;
        }

        .drawer-close button {
            font-size: 1.4rem;
            color: var(--weak);
            padding: 0.3rem;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
        }

        .drawer-close button:hover {
            color: var(--ink);
            background: var(--copper-soft);
        }

        .breadcrumb-bar {
            background: var(--white);
            border-bottom: 1px solid var(--card-border);
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
            font-size: 0.85rem;
            color: var(--weak);
        }

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

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

        .breadcrumb-bar .sep {
            margin: 0 0.5rem;
            color: var(--card-border);
        }

        .hero-dark {
            background: var(--ink-deep);
            color: var(--bone);
            padding-top: 4rem;
            padding-bottom: 4rem;
            position: relative;
            overflow: hidden;
        }

        .hero-dark::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .hero-dark .hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 1024px) {
            .hero-dark .hero-grid {
                grid-template-columns: 1.25fr 0.75fr;
                gap: 3rem;
                align-items: center;
            }
        }

        .hero-dark h1 {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--white);
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
            animation: fadeUp 0.7s var(--transition-smooth) both;
        }

        @media (min-width: 768px) {
            .hero-dark h1 {
                font-size: 2.8rem;
            }
        }

        .hero-dark .hero-sub {
            font-size: 1.05rem;
            color: rgba(247, 244, 238, 0.85);
            max-width: 600px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--copper);
            color: var(--ink-deep);
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 2px 8px rgba(184, 155, 102, 0.25);
        }

        .btn-primary:hover {
            background: #c9a85e;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(184, 155, 102, 0.35);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--bone);
            border: 1px solid var(--copper);
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }

        .btn-secondary:hover {
            background: var(--copper);
            color: var(--ink-deep);
            transform: translateY(-2px);
        }

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

        .hero-data-panel {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(184, 155, 102, 0.3);
            border-radius: var(--radius);
            padding: 1.5rem;
            backdrop-filter: blur(4px);
        }

        .hero-data-panel h2 {
            font-family: var(--font-serif);
            color: var(--copper);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
            letter-spacing: 0.05em;
        }

        .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.65rem 0;
            border-bottom: 1px solid rgba(184, 155, 102, 0.15);
            font-size: 0.9rem;
        }

        .data-row:last-child {
            border-bottom: none;
        }

        .data-row .label {
            color: rgba(247, 244, 238, 0.7);
        }

        .data-row .value {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--copper);
            font-size: 1rem;
        }

        .stats-bar {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }

        .stat-chip {
            background: rgba(184, 155, 102, 0.15);
            border: 1px solid rgba(184, 155, 102, 0.3);
            border-radius: 20px;
            padding: 0.3rem 0.9rem;
            font-size: 0.78rem;
            color: var(--bone);
            white-space: nowrap;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .section {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

        .section-head {
            margin-bottom: 2.5rem;
        }

        .section-head .kicker {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--copper);
            text-transform: uppercase;
            letter-spacing: 0.12em;
            margin-bottom: 0.75rem;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
        }

        .section-head p {
            color: var(--weak);
            font-size: 1rem;
            max-width: 640px;
            margin-top: 0.75rem;
        }

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

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

        @media (min-width: 1024px) {
            .strategy-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 2rem;
            }
        }

        .strategy-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1.75rem;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition);
            position: relative;
        }

        .strategy-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--copper);
        }

        .strategy-card.featured {
            border-color: var(--copper);
            background: #fffcf4;
        }

        .strategy-card .badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            padding: 0.25rem 0.8rem;
            border-radius: 20px;
            margin-bottom: 1rem;
            background: var(--copper-soft);
            color: var(--copper);
            border: 1px solid var(--copper);
        }

        .strategy-card h3 {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.6rem;
        }

        .strategy-card .risk-tag {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--ink-light);
            background: var(--bone);
            border-radius: 4px;
            padding: 0.2rem 0.6rem;
            margin-bottom: 0.8rem;
        }

        .strategy-card p {
            color: var(--ink-light);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-bottom: 1rem;
        }

        .strategy-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .strategy-card ul li {
            padding: 0.4rem 0;
            font-size: 0.85rem;
            color: var(--weak);
            border-bottom: 1px solid var(--card-border);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .strategy-card ul li::before {
            content: '◆';
            color: var(--copper);
            font-size: 0.55rem;
            flex-shrink: 0;
        }

        .table-wrapper {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            overflow-x: auto;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 680px;
        }

        .data-table thead {
            background: var(--ink-deep);
            color: var(--bone);
        }

        .data-table th {
            padding: 0.9rem 1.2rem;
            text-align: left;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .data-table td {
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid var(--card-border);
            color: var(--ink-light);
            white-space: nowrap;
        }

        .data-table tbody tr {
            transition: background var(--transition);
        }

        .data-table tbody tr:hover {
            background: var(--copper-soft);
        }

        .data-table .level-low {
            color: #3f6b4f;
            font-weight: 600;
        }

        .data-table .level-mid {
            color: #9a7b3f;
            font-weight: 600;
        }

        .data-table .level-high {
            color: #b04a3a;
            font-weight: 600;
        }

        .info-banner {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-left: 4px solid var(--copper);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin-top: 2rem;
        }

        .info-banner h3 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.6rem;
        }

        .info-banner p {
            color: var(--ink-light);
            font-size: 0.92rem;
            line-height: 1.8;
        }

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

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

        .step-item {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--ink);
            color: var(--copper);
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .step-item h3 {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            color: var(--ink);
            margin-bottom: 0.5rem;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--weak);
            line-height: 1.7;
        }

        .faq-list {
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            background: var(--white);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

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

        .faq-item.active {
            border-color: var(--copper);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--ink);
            font-size: 0.95rem;
            gap: 1rem;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--copper-soft);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--copper-soft);
            color: var(--copper);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: transform var(--transition-smooth);
        }

        .faq-item.active .faq-icon {
            transform: rotate(90deg);
            background: var(--copper);
            color: var(--ink-deep);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding-left: 1.25rem;
            padding-right: 1.25rem;
            color: var(--ink-light);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: 1.25rem;
        }

        .cta-section {
            background: var(--ink-deep);
            color: var(--bone);
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

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

        @media (min-width: 1024px) {
            .cta-grid {
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
                align-items: center;
            }
        }

        .cta-info h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 1rem;
        }

        .cta-info p {
            color: rgba(247, 244, 238, 0.8);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

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

        .contact-list li {
            padding: 0.5rem 0;
            color: rgba(247, 244, 238, 0.85);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }

        .form-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow-lg);
            color: var(--ink-light);
        }

        .form-card h3 {
            font-family: var(--font-serif);
            color: var(--ink);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 0.4rem;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            background: var(--bone);
            color: var(--ink-light);
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--copper);
            box-shadow: 0 0 0 3px rgba(184, 155, 102, 0.15);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .site-footer {
            background: var(--ink-deep);
            color: rgba(247, 244, 238, 0.75);
            padding-top: 3.5rem;
            padding-bottom: 1.5rem;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(184, 155, 102, 0.2);
        }

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

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1.5fr;
                gap: 2.5rem;
            }
        }

        .footer-brand .logo-brand {
            color: var(--bone);
            margin-bottom: 1rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.8;
            color: rgba(247, 244, 238, 0.65);
        }

        .footer-title {
            font-family: var(--font-serif);
            color: var(--copper);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }

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

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

        .footer-links a {
            color: rgba(247, 244, 238, 0.7);
            font-size: 0.85rem;
            transition: color var(--transition);
        }

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

        .footer-links li {
            color: rgba(247, 244, 238, 0.7);
            font-size: 0.85rem;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.5rem;
            font-size: 0.78rem;
            color: rgba(247, 244, 238, 0.5);
        }

        .footer-bottom a {
            color: rgba(247, 244, 238, 0.65);
            transition: color var(--transition);
        }

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

        .footer-disclaimer {
            margin-top: 1rem;
            font-size: 0.75rem;
            color: rgba(247, 244, 238, 0.4);
            line-height: 1.7;
        }

/* roulang page: category5 */
:root {
            --ink: #1F2E24;
            --ink-deep: #17251C;
            --ink-light: #2A3730;
            --copper: #B89B66;
            --copper-soft: rgba(184, 155, 102, 0.12);
            --bone: #F7F4EE;
            --weak: #6B6F69;
            --card-border: #E3DCCC;
            --card-bg: #FBF9F4;
            --white: #FFFFFF;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(31, 46, 36, 0.06);
            --shadow-md: 0 4px 12px rgba(31, 46, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(31, 46, 36, 0.12);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
            --font-mono: "IBM Plex Mono", "JetBrains Mono", "Courier New", monospace;
            --transition: 200ms ease;
            --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bone);
            color: var(--ink-light);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: 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;
            }
        }

        /* Top utility bar */
        .top-utility {
            background: var(--ink);
            color: var(--bone);
            font-size: 0.82rem;
            padding: 0.4rem 0;
            position: relative;
            z-index: 60;
        }
        .top-utility .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .top-utility a {
            color: var(--bone);
            opacity: 0.85;
            transition: opacity var(--transition), color var(--transition);
        }
        .top-utility a:hover {
            opacity: 1;
            color: var(--copper);
        }
        .top-utility .utility-left,
        .top-utility .utility-right {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .utility-divider {
            width: 1px;
            height: 14px;
            background: rgba(247, 244, 238, 0.25);
            display: inline-block;
        }

        /* Site header */
        .site-header {
            background: var(--bone);
            border-bottom: 1px solid var(--card-border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(31, 46, 36, 0.04);
        }
        .site-header .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .logo-brand .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--ink);
            color: var(--copper);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: none;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }
        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
                gap: 0.4rem;
            }
        }
        .main-nav a {
            position: relative;
            display: inline-block;
            padding: 0.5rem 0.8rem;
            font-size: 0.92rem;
            color: var(--ink-light);
            white-space: nowrap;
            transition: color var(--transition);
            border-radius: var(--radius-sm);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--copper);
            transition: width var(--transition-smooth), left var(--transition-smooth);
            border-radius: 1px;
        }
        .main-nav a:hover {
            color: var(--ink);
        }
        .main-nav a:hover::after {
            width: 100%;
            left: 0;
        }
        .main-nav a.active {
            color: var(--ink);
            font-weight: 600;
        }
        .main-nav a.active::after {
            width: 100%;
            left: 0;
            background: var(--copper);
        }
        .locate-pill {
            display: none;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.35rem 0.9rem;
            color: var(--ink);
            font-size: 0.85rem;
            white-space: nowrap;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            position: relative;
        }
        @media (min-width: 640px) {
            .locate-pill {
                display: inline-flex;
            }
        }
        .locate-pill:hover {
            background: var(--copper-soft);
        }
        .locate-pill .locate-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }
        .locate-pill:hover .locate-arrow {
            transform: rotate(180deg);
        }
        .locate-dropdown {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            min-width: 160px;
            padding: 0.5rem;
            display: none;
            z-index: 70;
        }
        .locate-pill:hover .locate-dropdown,
        .locate-pill:focus-within .locate-dropdown {
            display: block;
        }
        .locate-dropdown li {
            list-style: none;
        }
        .locate-dropdown a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 0.75rem;
            border-radius: var(--radius-sm);
            color: var(--ink-light);
            font-size: 0.85rem;
            transition: background var(--transition);
        }
        .locate-dropdown a:hover {
            background: var(--copper-soft);
            color: var(--ink);
        }
        .locate-dropdown .locate-check {
            color: var(--copper);
            font-size: 0.75rem;
        }

        /* Mobile hamburger */
        .mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--card-border);
            color: var(--ink);
            font-size: 1.1rem;
            transition: background var(--transition);
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }
        .mobile-toggle:hover {
            background: var(--copper-soft);
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--bone);
            z-index: 100;
            transform: translateX(-100%);
            transition: transform var(--transition-smooth);
            overflow-y: auto;
            padding: 1.5rem;
            display: none;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
        }
        .mobile-drawer .drawer-close {
            font-size: 1.5rem;
            color: var(--ink);
            width: 40px;
            height: 40px;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-drawer .drawer-nav a {
            display: block;
            padding: 0.85rem 0;
            font-size: 1.05rem;
            color: var(--ink-light);
            border-bottom: 1px solid var(--card-border);
            transition: color var(--transition), padding-left var(--transition);
        }
        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav a.active {
            color: var(--ink);
            padding-left: 0.5rem;
            font-weight: 600;
        }
        .mobile-drawer .drawer-locate {
            margin-top: 1.5rem;
            border: 1px solid var(--copper);
            border-radius: var(--radius);
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--ink);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--ink);
            color: var(--bone);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            border: 2px solid var(--ink);
        }
        .btn-primary:hover {
            background: var(--ink-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: var(--bone);
        }
        .btn-primary:focus {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--ink);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            border: 2px solid var(--copper);
        }
        .btn-secondary:hover {
            background: var(--copper);
            color: var(--ink-deep);
            transform: translateY(-2px);
        }
        .btn-secondary:focus {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }

        /* Hero section - knowledge pay style */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            padding: 3rem 0 4rem;
            background: linear-gradient(180deg, var(--bone) 0%, #F0ECE2 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        @media (min-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1.2fr 0.8fr;
                gap: 3rem;
            }
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--copper-soft);
            color: var(--ink);
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.35rem 1rem;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 1.25rem;
        }
        .hero-title {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            line-height: 1.25;
            color: var(--ink);
            font-weight: 700;
            margin-bottom: 1.25rem;
            animation: fadeUp 0.6s ease both;
        }
        @media (min-width: 640px) {
            .hero-title {
                font-size: 3rem;
                line-height: 1.2;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.4rem;
            }
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--weak);
            max-width: 560px;
            margin-bottom: 1.75rem;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .hero-data-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            padding: 1rem 1.25rem;
            background: rgba(255, 255, 255, 0.75);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            backdrop-filter: blur(8px);
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
        }
        .hero-data-item .data-num {
            font-family: var(--font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.2;
        }
        .hero-data-item .data-label {
            font-size: 0.78rem;
            color: var(--weak);
        }
        .hero-card-panel {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: 10px;
            box-shadow: var(--shadow-lg);
            padding: 2rem;
            position: relative;
        }
        .hero-card-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--copper), var(--ink));
            border-radius: 10px 10px 0 0;
        }
        .hero-card-panel .panel-label {
            font-family: var(--font-mono);
            font-size: 0.7rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--copper);
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .hero-card-panel .panel-title {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            color: var(--ink);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .hero-card-panel .panel-desc {
            font-size: 0.9rem;
            color: var(--weak);
            margin-bottom: 1.25rem;
            line-height: 1.7;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Section common */
        .section-block {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section-block {
                padding: 5rem 0;
            }
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-number {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            letter-spacing: 0.2em;
            color: var(--copper);
            font-weight: 600;
            display: block;
            margin-bottom: 0.5rem;
            text-transform: uppercase;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            color: var(--ink);
            font-weight: 700;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.2rem;
            }
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--weak);
            max-width: 620px;
            line-height: 1.8;
            margin-top: 0.75rem;
        }

        /* Range cards */
        .range-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 1.5rem;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .range-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--copper);
        }
        .range-card .range-label {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--copper);
            font-weight: 600;
            letter-spacing: 0.08em;
        }
        .range-card .range-value {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.1;
        }
        .range-card .range-bar-wrap {
            width: 100%;
            height: 6px;
            background: #E8E0CF;
            border-radius: 3px;
            overflow: hidden;
        }
        .range-card .range-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--copper), var(--ink));
            transition: width 1s ease;
        }
        .range-card .range-desc {
            font-size: 0.82rem;
            color: var(--weak);
            line-height: 1.6;
        }

        /* League comparison */
        .league-compare {
            background: var(--white);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .league-row {
            display: grid;
            grid-template-columns: 120px 1fr 80px;
            gap: 1rem;
            align-items: center;
            padding: 1rem 1.5rem;
            border-bottom: 1px solid var(--card-border);
            transition: background var(--transition);
        }
        .league-row:last-child {
            border-bottom: none;
        }
        .league-row:hover {
            background: var(--copper-soft);
        }
        .league-row .league-name {
            font-weight: 600;
            color: var(--ink);
            font-size: 0.95rem;
        }
        .league-row .league-bar-wrap {
            height: 10px;
            background: #E8E0CF;
            border-radius: 5px;
            overflow: hidden;
        }
        .league-row .league-bar-fill {
            height: 100%;
            border-radius: 5px;
            background: linear-gradient(90deg, var(--copper), var(--ink));
            transition: width 1s ease;
        }
        .league-row .league-value {
            font-family: var(--font-mono);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--ink);
            text-align: right;
        }

        /* Method steps */
        .method-step {
            display: flex;
            gap: 1.25rem;
            padding: 1.5rem;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            position: relative;
        }
        .method-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .method-step .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--ink);
            color: var(--copper);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
        }
        .method-step .step-content h4 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            color: var(--ink);
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .method-step .step-content p {
            font-size: 0.9rem;
            color: var(--weak);
            line-height: 1.7;
        }

        /* Data insight */
        .insight-panel {
            background: var(--ink);
            border-radius: var(--radius);
            padding: 2.5rem;
            color: var(--bone);
            position: relative;
            overflow: hidden;
        }
        .insight-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(184, 155, 102, 0.15), transparent 70%);
            pointer-events: none;
        }
        .insight-panel h3 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--bone);
            margin-bottom: 1rem;
            position: relative;
        }
        .insight-panel p {
            color: rgba(247, 244, 238, 0.8);
            font-size: 0.95rem;
            line-height: 1.85;
            position: relative;
        }
        .insight-list {
            margin-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            position: relative;
        }
        .insight-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(247, 244, 238, 0.08);
            border: 1px solid rgba(184, 155, 102, 0.4);
            color: var(--copper);
            border-radius: 20px;
            padding: 0.35rem 1rem;
            font-size: 0.8rem;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            background: var(--white);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: var(--copper);
        }
        .faq-item.active {
            border-color: var(--copper);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--ink);
            font-size: 0.95rem;
            gap: 1rem;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--copper-soft);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--copper);
            color: var(--copper);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: transform var(--transition-smooth);
        }
        .faq-item.active .faq-icon {
            transform: rotate(90deg);
            background: var(--copper);
            color: var(--ink);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 1.25rem;
            font-size: 0.9rem;
            color: var(--weak);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }

        /* CTA */
        .cta-section {
            background: var(--ink);
            position: relative;
            overflow: hidden;
            padding: 4rem 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(184, 155, 102, 0.12), transparent 70%);
            pointer-events: none;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            position: relative;
            z-index: 1;
        }
        @media (min-width: 1024px) {
            .cta-grid {
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
                align-items: center;
            }
        }
        .cta-info h2 {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--bone);
            margin-bottom: 1rem;
        }
        .cta-info p {
            color: rgba(247, 244, 238, 0.75);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .cta-form {
            background: var(--white);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow-lg);
        }
        .cta-form h3 {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            color: var(--ink);
            font-weight: 700;
            margin-bottom: 1.25rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 0.4rem;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.7rem 0.9rem;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            background: var(--bone);
            transition: border-color var(--transition), box-shadow var(--transition);
            appearance: none;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--copper);
            box-shadow: 0 0 0 2px var(--copper-soft);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6F69' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 1rem center;
            padding-right: 2.25rem;
        }

        /* Footer */
        .site-footer {
            background: var(--ink);
            color: var(--bone);
            padding: 3rem 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(247, 244, 238, 0.15);
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
                gap: 2rem;
            }
        }
        .footer-brand .logo-brand {
            margin-bottom: 1rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(247, 244, 238, 0.7);
            line-height: 1.7;
        }
        .footer-title {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--copper);
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a,
        .footer-links li {
            font-size: 0.85rem;
            color: rgba(247, 244, 238, 0.7);
            transition: color var(--transition);
            line-height: 1.5;
        }
        .footer-links a:hover {
            color: var(--copper);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            padding: 1.5rem 0;
            font-size: 0.8rem;
            color: rgba(247, 244, 238, 0.6);
        }
        .footer-bottom a {
            color: rgba(247, 244, 238, 0.6);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--copper);
        }
        .footer-disclaimer {
            font-size: 0.75rem;
            color: rgba(247, 244, 238, 0.45);
            padding: 1rem 0 1.5rem;
            line-height: 1.6;
            border-top: 1px solid rgba(247, 244, 238, 0.1);
        }

        /* Image card */
        .cover-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--card-border);
            background: var(--card-bg);
        }
        .cover-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .cover-card:hover img {
            transform: scale(1.03);
        }
        .cover-card .cover-body {
            padding: 1.25rem;
        }
        .cover-card .cover-title {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.5rem;
        }
        .cover-card .cover-desc {
            font-size: 0.85rem;
            color: var(--weak);
            line-height: 1.7;
        }

        /* Text link */
        .text-link {
            color: var(--copper);
            font-weight: 500;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap var(--transition);
        }
        .text-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 1px;
            background: var(--copper);
            transition: width var(--transition-smooth);
        }
        .text-link:hover::after {
            width: 100%;
        }
        .text-link:hover {
            gap: 0.55rem;
        }

        /* Badge */
        .badge-copper {
            display: inline-block;
            background: var(--copper-soft);
            color: var(--ink);
            border: 1px solid var(--copper);
            border-radius: 20px;
            padding: 0.2rem 0.8rem;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
        }
        .badge-ink {
            display: inline-block;
            background: var(--ink);
            color: var(--copper);
            border-radius: 20px;
            padding: 0.2rem 0.8rem;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        /* Data table */
        .data-table-wrap {
            overflow-x: auto;
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            background: var(--white);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.88rem;
            min-width: 640px;
        }
        .data-table th {
            background: var(--ink);
            color: var(--bone);
            font-weight: 600;
            text-align: left;
            padding: 0.85rem 1rem;
            font-size: 0.82rem;
            letter-spacing: 0.05em;
            white-space: nowrap;
        }
        .data-table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--card-border);
            color: var(--ink-light);
            white-space: nowrap;
        }
        .data-table tr:hover td {
            background: var(--copper-soft);
        }
        .data-table .mono {
            font-family: var(--font-mono);
            color: var(--ink);
            font-weight: 600;
        }