/* roulang page: index */
:root {
            --color-primary: #1E2D28;
            --color-primary-deep: #162320;
            --color-secondary: #5F7A70;
            --color-secondary-soft: rgba(95, 122, 112, 0.18);
            --color-bg: #F5F1E8;
            --color-bg-soft: #EDE6DA;
            --color-accent: #C6AE73;
            --color-accent-soft: rgba(198, 174, 115, 0.18);
            --color-text: #26302C;
            --color-text-secondary: #5B6560;
            --color-text-light: #EFEAE2;
            --color-border: rgba(95, 122, 112, 0.25);
            --color-border-light: rgba(198, 174, 115, 0.35);
            --radius-sm: 4px;
            --radius-md: 6px;
            --shadow-sm: 0 6px 16px rgba(30, 45, 40, 0.06);
            --shadow-md: 0 10px 22px rgba(30, 45, 40, 0.12);
            --shadow-lg: 0 18px 36px rgba(30, 45, 40, 0.14);
            --transition: 0.25s ease;
            --font-heading: 'Noto Serif SC', 'Songti SC', 'SimSun', 'Georgia', serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
            --font-mono: 'SFMono-Regular', 'Consolas', 'Menlo', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        select {
            font-family: var(--font-body);
            font-size: 16px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .grid-container.fluid {
            max-width: 100%;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 12px rgba(30, 45, 40, 0.12);
            transition: background var(--transition);
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
            padding-top: 0;
            padding-bottom: 0;
        }

        .brand-logo {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.08em;
            transition: color var(--transition);
            white-space: nowrap;
            line-height: 1.3;
        }

        .brand-logo:hover {
            color: var(--color-accent);
        }

        .brand-logo .logo-sub {
            display: block;
            font-family: var(--font-body);
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 0.18em;
            color: rgba(239, 234, 226, 0.55);
            text-transform: uppercase;
            line-height: 1.2;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            color: rgba(239, 234, 226, 0.78);
            font-size: 14px;
            font-weight: 400;
            letter-spacing: 0.04em;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--color-text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--color-text-light);
            background: rgba(198, 174, 115, 0.14);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(239, 234, 226, 0.35);
            color: var(--color-text-light);
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--color-accent);
        }

        .mobile-menu {
            display: none;
            width: 100%;
            background: var(--color-primary-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 12px 0;
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 24px;
            color: rgba(239, 234, 226, 0.85);
            font-size: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: all var(--transition);
        }

        .mobile-menu a:hover {
            background: rgba(198, 174, 115, 0.08);
            color: var(--color-text-light);
        }

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

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background-color: var(--color-primary);
            background-image: url('/assets/images/5082569800adaef1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 45, 40, 0.88) 0%, rgba(30, 45, 40, 0.62) 45%, rgba(30, 45, 40, 0.35) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(245, 241, 232, 0.08), transparent);
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 60px;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.16em;
            text-transform: uppercase;
            color: var(--color-accent);
            border: 1px solid rgba(198, 174, 115, 0.4);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 22px;
            background: rgba(30, 45, 40, 0.35);
            backdrop-filter: blur(6px);
        }

        .hero-section h1 {
            font-family: var(--font-heading);
            font-size: 46px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text-light);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(239, 234, 226, 0.85);
            margin-bottom: 28px;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            text-align: center;
            min-width: 130px;
        }

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

        .btn-primary:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-text-light);
            border-color: rgba(239, 234, 226, 0.5);
        }

        .btn-secondary:hover {
            background: rgba(239, 234, 226, 0.12);
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .btn-small {
            padding: 8px 18px;
            font-size: 13px;
            min-width: auto;
        }

        .hero-code-panel {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            z-index: 2;
            width: 440px;
            background: rgba(22, 35, 32, 0.85);
            border: 1px solid rgba(198, 174, 115, 0.3);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(10px);
            display: none;
        }

        .code-panel-header {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 18px;
            background: rgba(30, 45, 40, 0.7);
            border-bottom: 1px solid rgba(198, 174, 115, 0.2);
        }

        .code-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(239, 234, 226, 0.25);
        }

        .code-dot.accent {
            background: var(--color-accent);
        }

        .code-panel-header span {
            font-family: var(--font-mono);
            font-size: 11px;
            letter-spacing: 0.12em;
            color: rgba(239, 234, 226, 0.55);
            text-transform: uppercase;
        }

        .code-panel-body {
            padding: 22px 20px;
            font-family: var(--font-mono);
            font-size: 13px;
            line-height: 1.7;
            color: rgba(239, 234, 226, 0.85);
            overflow-x: auto;
        }

        .code-panel-body .key {
            color: var(--color-accent);
        }

        .code-panel-body .val {
            color: #B8C6C1;
        }

        .code-panel-body .bracket {
            color: rgba(239, 234, 226, 0.4);
        }

        .hero-data-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(239, 234, 226, 0.15);
            padding-top: 20px;
        }

        .hero-data-item {
            flex: 1;
            min-width: 90px;
        }

        .hero-data-item .num {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .hero-data-item .label {
            font-size: 12px;
            color: rgba(239, 234, 226, 0.6);
            letter-spacing: 0.06em;
            margin-top: 2px;
        }

        /* ===== Pill Navigation ===== */
        .pill-nav-section {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
            position: relative;
            z-index: 50;
        }

        .pill-nav-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .pill-nav-wrapper::-webkit-scrollbar {
            display: none;
        }

        .pill-nav-list {
            display: flex;
            gap: 10px;
            list-style: none;
            padding: 0;
            margin: 0;
            white-space: nowrap;
            min-width: max-content;
        }

        .pill-nav-list li a {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 50px;
            background: var(--color-bg-soft);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            font-size: 14px;
            letter-spacing: 0.04em;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .pill-nav-list li a:hover {
            background: rgba(198, 174, 115, 0.1);
            border-color: var(--color-border-light);
            color: var(--color-text);
        }

        .pill-nav-list li a.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-light);
            box-shadow: 0 0 0 3px rgba(198, 174, 115, 0.35);
        }

        /* ===== Generic Section ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-sm {
            padding: var(--spacing-section-mobile) 0;
        }

        .section-title-block {
            margin-bottom: 36px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 620px;
            line-height: 1.8;
        }

        .section-divider {
            width: 48px;
            height: 2px;
            background: var(--color-accent);
            margin-bottom: 16px;
            border-radius: 1px;
        }

        /* ===== Countdown ===== */
        .countdown-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #253A32 100%);
            padding: 48px 0;
            border-top: 1px solid rgba(198, 174, 115, 0.2);
            border-bottom: 1px solid rgba(198, 174, 115, 0.2);
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .countdown-text h2 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 4px;
        }

        .countdown-text p {
            color: rgba(239, 234, 226, 0.65);
            font-size: 14px;
        }

        .countdown-timer {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .countdown-item {
            text-align: center;
            min-width: 70px;
        }

        .countdown-item .val {
            font-family: var(--font-heading);
            font-size: 38px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .countdown-item .unit {
            font-size: 12px;
            color: rgba(239, 234, 226, 0.55);
            letter-spacing: 0.08em;
        }

        /* ===== Cards ===== */
        .card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }

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

        .card-img {
            aspect-ratio: 16/9;
            background-size: cover;
            background-position: center;
            background-color: var(--color-bg-soft);
            position: relative;
            overflow: hidden;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .card-body {
            padding: 20px 22px 22px;
        }

        .card-title {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-text {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }

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

        .card-link .arrow {
            transition: transform var(--transition);
        }

        .card-link:hover .arrow {
            transform: translateX(4px);
        }

        .card-tag {
            display: inline-block;
            font-size: 11px;
            letter-spacing: 0.06em;
            padding: 3px 10px;
            border-radius: 20px;
            background: var(--color-accent-soft);
            color: #8B773E;
            margin-bottom: 10px;
        }

        .card-date {
            font-size: 12px;
            color: rgba(95, 101, 96, 0.7);
            margin-bottom: 8px;
        }

        /* ===== Benefits / Activity ===== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 22px;
        }

        .benefit-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            text-align: left;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .benefit-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-secondary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-secondary);
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 18px;
        }

        .benefit-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .benefit-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
            gap: 18px;
        }

        .step-item {
            text-align: center;
            padding: 24px 18px;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid var(--color-border);
            transition: all var(--transition);
        }

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

        .step-num {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .step-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        /* ===== Data Board ===== */
        .data-board {
            background: var(--color-primary);
            border-radius: var(--radius-md);
            padding: 40px 32px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
            gap: 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(198, 174, 115, 0.18);
        }

        .data-item {
            text-align: center;
            padding: 8px 0;
        }

        .data-item .number {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .data-item .label {
            font-size: 13px;
            color: rgba(239, 234, 226, 0.65);
            letter-spacing: 0.06em;
            margin-top: 4px;
        }

        .data-item .desc {
            font-size: 11px;
            color: rgba(239, 234, 226, 0.4);
            margin-top: 2px;
        }

        /* ===== Compare ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .compare-panel {
            border-radius: var(--radius-md);
            padding: 28px 26px;
            border: 1px solid var(--color-border);
            background: #fff;
            transition: all var(--transition);
        }

        .compare-panel:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .compare-panel.old {
            background: var(--color-bg-soft);
            border-color: rgba(95, 122, 112, 0.2);
        }

        .compare-panel.new {
            background: #fff;
            border-color: rgba(198, 174, 115, 0.35);
            border-left: 3px solid var(--color-accent);
        }

        .compare-panel h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

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

        .compare-list li {
            padding: 9px 0;
            border-bottom: 1px solid rgba(95, 122, 112, 0.1);
            font-size: 14px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-list li::before {
            content: '—';
            color: var(--color-secondary);
            flex-shrink: 0;
            font-weight: 300;
        }

        .compare-panel.new .compare-list li::before {
            content: '✦';
            color: var(--color-accent);
            font-size: 12px;
            line-height: 1.8;
        }

        /* ===== Timeline ===== */
        .timeline-wrapper {
            overflow-x: auto;
            padding: 20px 0 10px;
            scrollbar-width: thin;
            scrollbar-color: var(--color-secondary) transparent;
        }

        .timeline-wrapper::-webkit-scrollbar {
            height: 6px;
        }

        .timeline-wrapper::-webkit-scrollbar-thumb {
            background: var(--color-secondary);
            border-radius: 3px;
        }

        .timeline-track {
            display: flex;
            gap: 28px;
            min-width: max-content;
            padding: 0 8px;
        }

        .timeline-node {
            min-width: 180px;
            max-width: 200px;
            position: relative;
            padding-top: 20px;
        }

        .timeline-node::before {
            content: '';
            position: absolute;
            top: 4px;
            left: 0;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(198, 174, 115, 0.25);
        }

        .timeline-node .year {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            margin-bottom: 4px;
        }

        .timeline-node .desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            border-left: 2px solid rgba(198, 174, 115, 0.3);
            padding-left: 14px;
        }

        /* ===== Info List ===== */
        .info-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .info-list li {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(95, 122, 112, 0.12);
            align-items: flex-start;
            transition: background var(--transition);
        }

        .info-list li:hover {
            background: rgba(198, 174, 115, 0.04);
        }

        .info-list .info-img {
            width: 96px;
            height: 64px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-bg-soft);
        }

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

        .info-list .info-content {
            flex: 1;
        }

        .info-list .info-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            transition: color var(--transition);
        }

        .info-list li:hover .info-title {
            color: var(--color-accent);
        }

        .info-list .info-meta {
            font-size: 12px;
            color: rgba(95, 101, 96, 0.7);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Security / Guarantee ===== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .guarantee-card {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid var(--color-border);
            transition: all var(--transition);
        }

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

        .guarantee-icon {
            display: inline-flex;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-secondary-soft);
            align-items: center;
            justify-content: center;
            color: var(--color-secondary);
            margin-bottom: 12px;
            font-size: 20px;
            font-weight: 600;
        }

        .guarantee-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .guarantee-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== Quick FAQ ===== */
        .quick-faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 18px;
        }

        .quick-faq-item {
            padding: 18px 20px;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid var(--color-border);
            transition: all var(--transition);
        }

        .quick-faq-item:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .quick-faq-item .q {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 15px;
            margin-bottom: 6px;
        }

        .quick-faq-item .a {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* ===== FAQ Accordion ===== */
        .faq-section {
            background: var(--color-bg-soft);
        }

        .faq-list .accordion-item {
            margin-bottom: 10px;
        }

        .faq-list .accordion-title {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all var(--transition);
        }

        .faq-list .accordion-title:hover {
            border-color: var(--color-border-light);
            background: rgba(198, 174, 115, 0.04);
        }

        .faq-list .accordion-title .icon {
            font-size: 18px;
            color: var(--color-accent);
            transition: transform var(--transition);
        }

        .faq-list .accordion-item.is-active .accordion-title .icon {
            transform: rotate(45deg);
        }

        .faq-list .accordion-content {
            background: #fff;
            border: 1px solid var(--color-border);
            border-top: none;
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            padding: 16px 20px;
            display: none;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-list .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ===== Form ===== */
        .form-section {
            background: var(--color-primary);
            background-image: url('/assets/images/5e12765cb916c5a6.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }

        .form-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(30, 45, 40, 0.88);
        }

        .form-container {
            position: relative;
            z-index: 2;
            max-width: 580px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(198, 174, 115, 0.28);
            border-radius: var(--radius-md);
            padding: 38px 36px;
            backdrop-filter: blur(8px);
        }

        .form-container h2 {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-light);
            text-align: center;
            margin-bottom: 8px;
        }

        .form-container p.form-intro {
            text-align: center;
            color: rgba(239, 234, 226, 0.7);
            font-size: 14px;
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            color: rgba(239, 234, 226, 0.8);
            font-size: 13px;
            margin-bottom: 5px;
            letter-spacing: 0.04em;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(239, 234, 226, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-text-light);
            transition: all var(--transition);
            font-size: 14px;
        }

        .form-group input::placeholder {
            color: rgba(239, 234, 226, 0.4);
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.12);
            outline: none;
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C6AE73' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }

        .form-group select option {
            background: var(--color-primary);
            color: var(--color-text-light);
        }

        .form-check {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 18px;
        }

        .form-check input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: var(--color-accent);
            cursor: pointer;
        }

        .form-check label {
            font-size: 12px;
            color: rgba(239, 234, 226, 0.6);
            cursor: pointer;
        }

        .form-submit {
            width: 100%;
        }

        /* ===== Bottom CTA / Index ===== */
        .bottom-index-section {
            background: var(--color-bg-soft);
            border-top: 1px solid var(--color-border);
        }

        .bottom-index-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
        }

        .bottom-index-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .bottom-index-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .bottom-index-col ul li {
            margin-bottom: 8px;
        }

        .bottom-index-col ul li a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color var(--transition);
        }

        .bottom-index-col ul li a:hover {
            color: var(--color-accent);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-deep);
            color: rgba(239, 234, 226, 0.6);
            padding: 40px 0 28px;
            border-top: 1px solid rgba(198, 174, 115, 0.2);
        }

        .footer-inner {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-start;
        }

        .footer-brand .brand-logo {
            font-size: 22px;
            color: var(--color-text-light);
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(239, 234, 226, 0.5);
            margin-top: 6px;
            max-width: 300px;
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }

        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: rgba(239, 234, 226, 0.8);
            margin-bottom: 10px;
            letter-spacing: 0.06em;
        }

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

        .footer-links ul li {
            margin-bottom: 6px;
        }

        .footer-links ul li a {
            font-size: 13px;
            color: rgba(239, 234, 226, 0.5);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(239, 234, 226, 0.08);
            margin-top: 28px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(239, 234, 226, 0.4);
        }

        .footer-bottom a {
            color: rgba(239, 234, 226, 0.5);
            transition: color var(--transition);
        }

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

        .footer-bottom .sep {
            color: rgba(239, 234, 226, 0.25);
        }

        /* ===== Toast / misc ===== */
        .text-center {
            text-align: center;
        }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .mb-4 { margin-bottom: 36px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }

        /* ===== Responsive ===== */
        @media (min-width: 1024px) {
            .hero-code-panel {
                display: block;
            }

            .hero-content {
                max-width: 580px;
                padding-right: 20px;
            }

            .hero-section h1 {
                font-size: 48px;
            }
        }

        @media (max-width: 1023px) and (min-width: 768px) {
            .hero-section h1 {
                font-size: 38px;
            }

            .hero-section {
                min-height: 520px;
            }

            .hero-code-panel {
                display: none;
            }

            .hero-content {
                max-width: 100%;
            }

            .hero-data-row {
                flex-wrap: wrap;
            }

            .section {
                padding: 56px 0;
            }

            .data-board {
                grid-template-columns: repeat(3, 1fr);
                padding: 30px 22px;
                gap: 18px;
            }

            .compare-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        @media (max-width: 767px) {
            .site-header .grid-container {
                min-height: 60px;
                flex-wrap: nowrap;
            }

            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero-section {
                min-height: auto;
                padding: 60px 0 46px;
                background-position: 60% center;
            }

            .hero-content {
                padding: 0;
                max-width: 100%;
            }

            .hero-section h1 {
                font-size: 30px;
                line-height: 1.35;
                margin-bottom: 14px;
            }

            .hero-subtitle {
                font-size: 15px;
                line-height: 1.8;
                margin-bottom: 20px;
            }

            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
                margin-bottom: 24px;
            }

            .hero-cta-group .btn {
                width: 100%;
            }

            .hero-code-panel {
                display: none;
            }

            .hero-data-row {
                gap: 14px;
                padding-top: 16px;
                flex-wrap: wrap;
            }

            .hero-data-item {
                min-width: 70px;
                flex: 1;
            }

            .hero-data-item .num {
                font-size: 24px;
            }

            .hero-data-item .label {
                font-size: 11px;
            }

            .pill-nav-list li a {
                padding: 7px 16px;
                font-size: 13px;
            }

            .section {
                padding: var(--spacing-section-mobile) 0;
            }

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

            .countdown-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
            }

            .countdown-timer {
                gap: 10px;
                flex-wrap: wrap;
            }

            .countdown-item {
                min-width: 56px;
            }

            .countdown-item .val {
                font-size: 28px;
            }

            .data-board {
                grid-template-columns: 1fr 1fr;
                padding: 24px 16px;
                gap: 14px;
            }

            .data-item .number {
                font-size: 28px;
            }

            .compare-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .form-container {
                padding: 28px 20px;
            }

            .form-container h2 {
                font-size: 22px;
            }

            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }

            .footer-links {
                gap: 24px;
                flex-wrap: wrap;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-width: auto;
            }
        }

        @media (max-width: 480px) {
            .hero-section h1 {
                font-size: 26px;
            }

            .hero-subtitle {
                font-size: 14px;
            }

            .data-board {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

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

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

            .quick-faq-grid {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 21px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1E2D28;
            --color-primary-deep: #162320;
            --color-secondary: #5F7A70;
            --color-secondary-soft: rgba(95, 122, 112, 0.18);
            --color-bg: #F5F1E8;
            --color-bg-soft: #EDE6DA;
            --color-accent: #C6AE73;
            --color-accent-soft: rgba(198, 174, 115, 0.18);
            --color-text: #26302C;
            --color-text-secondary: #5B6560;
            --color-text-light: #EFEAE2;
            --color-border: rgba(95, 122, 112, 0.25);
            --color-border-light: rgba(198, 174, 115, 0.35);
            --radius-sm: 4px;
            --radius-md: 6px;
            --shadow-sm: 0 6px 16px rgba(30, 45, 40, 0.06);
            --shadow-md: 0 10px 22px rgba(30, 45, 40, 0.12);
            --shadow-lg: 0 18px 36px rgba(30, 45, 40, 0.14);
            --transition: 0.25s ease;
            --font-heading: 'Noto Serif SC', 'Songti SC', 'SimSun', 'Georgia', serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
            --font-mono: 'SFMono-Regular', 'Consolas', 'Menlo', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --max-width: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        select {
            font-family: var(--font-body);
            font-size: 16px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .grid-container.fluid {
            max-width: 100%;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 12px rgba(30, 45, 40, 0.12);
            transition: background var(--transition);
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
            padding-top: 0;
            padding-bottom: 0;
        }

        .brand-logo {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.08em;
            transition: color var(--transition);
            white-space: nowrap;
            line-height: 1.3;
        }

        .brand-logo:hover {
            color: var(--color-accent);
        }

        .brand-logo .logo-sub {
            display: block;
            font-family: var(--font-body);
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 0.18em;
            color: rgba(239, 234, 226, 0.55);
            text-transform: uppercase;
            line-height: 1.2;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            color: rgba(239, 234, 226, 0.78);
            font-size: 14px;
            font-weight: 400;
            letter-spacing: 0.04em;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--color-text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--color-text-light);
            background: rgba(198, 174, 115, 0.14);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(239, 234, 226, 0.35);
            color: var(--color-text-light);
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--color-accent);
        }

        .mobile-menu {
            display: none;
            width: 100%;
            background: var(--color-primary-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-direction: column;
            padding: 12px 20px 20px;
        }

        .mobile-menu a {
            color: rgba(239, 234, 226, 0.8);
            font-size: 15px;
            padding: 12px 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-accent);
            background: transparent;
        }

        .mobile-menu a.active {
            font-weight: 600;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--color-bg-soft);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }

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

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

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

        .breadcrumb .sep {
            color: var(--color-border-light);
        }

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

        /* ===== Section Common ===== */
        section {
            padding: var(--spacing-section) 0;
        }

        section.alt-bg {
            background: var(--color-bg-soft);
        }

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

        section.accent-soft-bg {
            background: var(--color-accent-soft);
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 16px;
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            max-width: 720px;
        }

        .section-subtitle.light {
            color: rgba(239, 234, 226, 0.75);
        }

        .divider-accent {
            width: 52px;
            height: 2px;
            background: var(--color-accent);
            margin-bottom: 20px;
            border-radius: 1px;
        }

        /* ===== Hero-like Category Intro ===== */
        .cat-intro {
            padding: 56px 0 48px;
            background: var(--color-bg);
            position: relative;
            overflow: hidden;
        }

        .cat-intro::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: linear-gradient(105deg, transparent 0%, var(--color-bg-soft) 60%, var(--color-secondary-soft) 100%);
            z-index: 0;
            transform: skewX(-8deg);
            transform-origin: top right;
        }

        .cat-intro .grid-container {
            position: relative;
            z-index: 1;
        }

        .cat-intro-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .cat-intro-text {
            flex: 1 1 45%;
            min-width: 300px;
        }

        .cat-intro-visual {
            flex: 1 1 50%;
            min-width: 300px;
            position: relative;
        }

        .cat-intro-visual img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }

        .cat-intro-visual::after {
            content: '';
            position: absolute;
            bottom: -16px;
            right: -16px;
            width: 80%;
            height: 60%;
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-md);
            opacity: 0.4;
            z-index: -1;
            pointer-events: none;
        }

        .cat-intro h1 {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .cat-intro-lead {
            font-size: 17px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            max-width: 560px;
        }

        .cat-intro-kpis {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cat-intro-kpi {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .cat-intro-kpi .num {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .cat-intro-kpi .label {
            font-size: 13px;
            color: var(--color-text-secondary);
            letter-spacing: 0.06em;
        }

        /* ===== Article Card Grid ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
        }

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

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-light);
        }

        .news-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--color-bg-soft);
            position: relative;
        }

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

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

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

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .news-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            padding: 2px 8px;
            border-radius: 20px;
        }

        .news-card-title {
            font-family: var(--font-heading);
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 10px;
            transition: color var(--transition);
        }

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

        .news-card-excerpt {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            flex: 1;
            margin-bottom: 16px;
        }

        .news-card-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

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

        /* ===== Editor Picks ===== */
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .editor-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }

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

        .editor-card .editor-quote-mark {
            font-family: var(--font-heading);
            font-size: 48px;
            line-height: 1;
            color: var(--color-accent);
            opacity: 0.5;
            margin-bottom: 8px;
        }

        .editor-card-quote {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            margin-bottom: 18px;
        }

        .editor-card-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .editor-card-author .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-secondary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 14px;
            flex-shrink: 0;
        }

        /* ===== Data Trend Board ===== */
        .trend-board {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .trend-item {
            background: var(--color-primary-deep);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            transition: all var(--transition);
        }

        .trend-item:hover {
            border-color: var(--color-border-light);
            transform: translateY(-2px);
        }

        .trend-item .trend-num {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .trend-item .trend-label {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-light);
            margin-bottom: 6px;
        }

        .trend-item .trend-desc {
            font-size: 13px;
            color: rgba(239, 234, 226, 0.6);
            line-height: 1.7;
        }

        /* ===== Reference Block ===== */
        .ref-block {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

        .ref-block-img {
            flex: 0 0 260px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .ref-block-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .ref-block-content {
            flex: 1;
            min-width: 260px;
        }

        .ref-block-content .ref-quote {
            font-family: var(--font-heading);
            font-size: 20px;
            line-height: 1.7;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .ref-block-content .ref-source {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 500;
        }

        /* ===== Dynamic Calendar ===== */
        .calendar-strip {
            display: flex;
            gap: 0;
            overflow-x: auto;
            padding: 8px 0 20px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .calendar-strip::-webkit-scrollbar {
            display: none;
        }

        .calendar-item {
            flex: 0 0 auto;
            min-width: 200px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            margin-right: 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }

        .calendar-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-light);
            transform: translateY(-2px);
        }

        .calendar-item .cal-node {
            position: absolute;
            top: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 12px;
            height: 12px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 2px solid var(--color-bg);
        }

        .calendar-item .cal-time {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            margin-bottom: 8px;
        }

        .calendar-item .cal-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .calendar-item .cal-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-cta {
            background: var(--color-primary);
            border-radius: var(--radius-md);
            padding: 48px 40px;
            text-align: center;
            color: var(--color-text-light);
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(198, 174, 115, 0.1);
            pointer-events: none;
        }

        .subscribe-cta::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(95, 122, 112, 0.15);
            pointer-events: none;
        }

        .subscribe-cta h3 {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .subscribe-cta p {
            font-size: 15px;
            color: rgba(239, 234, 226, 0.75);
            max-width: 560px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }

        .subscribe-cta .cta-btn {
            position: relative;
            z-index: 1;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.05em;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.5;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--color-secondary);
            border-color: var(--color-secondary);
            color: var(--color-text-light);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 6px rgba(30, 45, 40, 0.2);
        }

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

        .btn-outline:hover {
            background: rgba(95, 122, 112, 0.1);
            border-color: var(--color-secondary);
            color: var(--color-primary);
        }

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

        .btn-light:hover {
            background: rgba(239, 234, 226, 0.85);
            border-color: rgba(239, 234, 226, 0.85);
            color: var(--color-secondary);
        }

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

        .btn-accent-ghost:hover {
            background: var(--color-accent-soft);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

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

        /* ===== Bottom Back Link ===== */
        .back-home-wrap {
            text-align: center;
            padding: 36px 0 48px;
            background: var(--color-bg-soft);
            border-top: 1px solid var(--color-border);
        }

        .back-home-wrap a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-secondary);
            transition: all var(--transition);
        }

        .back-home-wrap a:hover {
            color: var(--color-accent);
            gap: 12px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark, #162320);
            background: var(--color-primary-deep);
            color: var(--color-text-light);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-inner {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .footer-brand {
            flex: 1 1 260px;
            min-width: 240px;
        }

        .footer-brand .brand-logo {
            font-size: 24px;
            margin-bottom: 12px;
            display: block;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(239, 234, 226, 0.6);
            line-height: 1.75;
            max-width: 280px;
        }

        .footer-links {
            flex: 3 1 600px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            min-width: 280px;
        }

        .footer-links h4 {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            margin-bottom: 12px;
            text-transform: uppercase;
        }

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

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: rgba(239, 234, 226, 0.65);
            font-size: 14px;
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(239, 234, 226, 0.45);
        }

        .footer-bottom a {
            color: rgba(239, 234, 226, 0.55);
            transition: color var(--transition);
        }

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

        .footer-bottom .sep {
            color: rgba(239, 234, 226, 0.3);
            margin: 0 6px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
            }

            .cat-intro h1 {
                font-size: 34px;
            }

            .section-title {
                font-size: 26px;
            }

            .news-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }

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

            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

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

            .cat-intro-inner {
                flex-direction: column;
                gap: 32px;
            }

            .cat-intro-visual {
                order: -1;
                max-width: 100%;
            }

            .cat-intro h1 {
                font-size: 28px;
            }

            .cat-intro-lead {
                font-size: 15px;
            }

            .cat-intro-kpi .num {
                font-size: 24px;
            }

            .section-title {
                font-size: 22px;
            }

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

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

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

            .ref-block {
                flex-direction: column;
                padding: 22px;
            }

            .ref-block-img {
                flex: 0 0 auto;
                width: 100%;
            }

            .footer-inner {
                flex-direction: column;
                gap: 32px;
            }

            .footer-links {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .cat-intro {
                padding: 32px 0 28px;
            }

            .cat-intro h1 {
                font-size: 24px;
            }

            .cat-intro-kpis {
                gap: 16px;
            }

            .cat-intro-kpi .num {
                font-size: 20px;
            }

            .trend-board {
                grid-template-columns: 1fr;
            }

            .footer-links {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }

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

            .subscribe-cta h3 {
                font-size: 20px;
            }

            .btn {
                padding: 10px 20px;
                font-size: 13px;
            }

            .calendar-item {
                min-width: 170px;
            }
        }

/* roulang page: category1 */
:root {
        --color-primary: #1E2D28;
        --color-primary-deep: #162320;
        --color-secondary: #5F7A70;
        --color-secondary-soft: rgba(95, 122, 112, 0.18);
        --color-bg: #F5F1E8;
        --color-bg-soft: #EDE6DA;
        --color-accent: #C6AE73;
        --color-accent-soft: rgba(198, 174, 115, 0.18);
        --color-text: #26302C;
        --color-text-secondary: #5B6560;
        --color-text-light: #EFEAE2;
        --color-border: rgba(95, 122, 112, 0.25);
        --color-border-light: rgba(198, 174, 115, 0.35);
        --radius-sm: 4px;
        --radius-md: 6px;
        --shadow-sm: 0 6px 16px rgba(30, 45, 40, 0.06);
        --shadow-md: 0 10px 22px rgba(30, 45, 40, 0.12);
        --shadow-lg: 0 18px 36px rgba(30, 45, 40, 0.14);
        --transition: 0.25s ease;
        --font-heading: 'Noto Serif SC', 'Songti SC', 'SimSun', 'Georgia', serif;
        --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
        --font-mono: 'SFMono-Regular', 'Consolas', 'Menlo', monospace;
        --spacing-section: 72px;
        --spacing-section-mobile: 48px;
        --max-width: 1200px;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.85;
        color: var(--color-text);
        background-color: var(--color-bg);
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

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

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

    a:focus-visible {
        outline: 3px solid var(--color-accent);
        outline-offset: 2px;
        border-radius: 2px;
    }

    button,
    input,
    select {
        font-family: var(--font-body);
        font-size: 16px;
    }

    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
        outline: 3px solid var(--color-accent);
        outline-offset: 2px;
    }

    .grid-container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
    }

    .grid-container.fluid {
        max-width: 100%;
    }

    /* ===== Header / Nav ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: var(--color-primary);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        box-shadow: 0 2px 12px rgba(30, 45, 40, 0.12);
        transition: background var(--transition);
    }

    .site-header .grid-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 68px;
        flex-wrap: wrap;
        padding-top: 0;
        padding-bottom: 0;
    }

    .brand-logo {
        font-family: var(--font-heading);
        font-size: 26px;
        font-weight: 700;
        color: var(--color-text-light);
        letter-spacing: 0.08em;
        transition: color var(--transition);
        white-space: nowrap;
        line-height: 1.3;
    }

    .brand-logo:hover {
        color: var(--color-accent);
    }

    .brand-logo .logo-sub {
        display: block;
        font-family: var(--font-body);
        font-size: 11px;
        font-weight: 400;
        letter-spacing: 0.18em;
        color: rgba(239, 234, 226, 0.55);
        text-transform: uppercase;
        line-height: 1.2;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: wrap;
    }

    .main-nav a {
        color: rgba(239, 234, 226, 0.78);
        font-size: 14px;
        font-weight: 400;
        letter-spacing: 0.04em;
        padding: 8px 12px;
        border-radius: var(--radius-sm);
        transition: all var(--transition);
        position: relative;
        white-space: nowrap;
    }

    .main-nav a:hover {
        color: var(--color-text-light);
        background: rgba(255, 255, 255, 0.06);
    }

    .main-nav a.active {
        color: var(--color-text-light);
        background: rgba(198, 174, 115, 0.14);
        font-weight: 600;
    }

    .main-nav a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 22px;
        height: 2px;
        background: var(--color-accent);
        border-radius: 1px;
    }

    .nav-toggle {
        display: none;
        background: transparent;
        border: 1px solid rgba(239, 234, 226, 0.35);
        color: var(--color-text-light);
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        transition: all var(--transition);
    }

    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: var(--color-accent);
    }

    .mobile-menu {
        display: none;
        width: 100%;
        background: var(--color-primary-deep);
        padding: 16px 0;
        flex-direction: column;
        gap: 2px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .mobile-menu a {
        color: rgba(239, 234, 226, 0.8);
        font-size: 15px;
        padding: 10px 20px;
        display: block;
        border-radius: var(--radius-sm);
        transition: all var(--transition);
        letter-spacing: 0.04em;
    }

    .mobile-menu a:hover {
        color: var(--color-text-light);
        background: rgba(255, 255, 255, 0.06);
    }

    .mobile-menu a.active {
        color: var(--color-accent);
        font-weight: 600;
        background: rgba(198, 174, 115, 0.1);
    }

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

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

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

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

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

    .breadcrumb .sep {
        color: var(--color-border);
        font-size: 12px;
    }

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

    /* ===== Category Header ===== */
    .category-header {
        padding: 56px 0 32px;
        background: var(--color-bg);
    }

    .category-header .grid-container {
        max-width: var(--max-width);
    }

    .category-header h1 {
        font-family: var(--font-heading);
        font-size: 38px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.3;
        margin-bottom: 16px;
        letter-spacing: 0.03em;
    }

    .category-header .category-lede {
        font-size: 17px;
        line-height: 1.9;
        color: var(--color-text-secondary);
        max-width: 780px;
        margin-bottom: 0;
    }

    .category-header .accent-divider {
        width: 56px;
        height: 3px;
        background: var(--color-accent);
        border-radius: 2px;
        margin-bottom: 18px;
    }

    /* ===== Section Common ===== */
    .section-block {
        padding: var(--spacing-section) 0;
    }

    .section-block.section-alt {
        background: var(--color-bg-soft);
    }

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

    .section-heading {
        margin-bottom: 32px;
    }

    .section-heading h2 {
        font-family: var(--font-heading);
        font-size: 28px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.35;
        margin-bottom: 8px;
        letter-spacing: 0.02em;
    }

    .section-dark .section-heading h2 {
        color: var(--color-text-light);
    }

    .section-heading .heading-sub {
        font-size: 15px;
        color: var(--color-text-secondary);
        line-height: 1.7;
    }

    .section-dark .section-heading .heading-sub {
        color: rgba(239, 234, 226, 0.7);
    }

    /* ===== Brand Card List ===== */
    .brand-card-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

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

    .brand-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
        border-color: var(--color-border-light);
    }

    .brand-card .card-img {
        position: relative;
        aspect-ratio: 16 / 9;
        overflow: hidden;
        background: var(--color-secondary-soft);
    }

    .brand-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }

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

    .brand-card .card-img .card-tag {
        position: absolute;
        top: 12px;
        left: 12px;
        background: rgba(30, 45, 40, 0.85);
        color: var(--color-text-light);
        font-size: 12px;
        padding: 4px 10px;
        border-radius: 20px;
        letter-spacing: 0.06em;
    }

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

    .brand-card .card-body h3 {
        font-family: var(--font-heading);
        font-size: 20px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.4;
        margin-bottom: 8px;
    }

    .brand-card .card-body p {
        font-size: 15px;
        color: var(--color-text-secondary);
        line-height: 1.8;
        margin-bottom: 14px;
        flex: 1;
    }

    .brand-card .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        color: var(--color-text-secondary);
        border-top: 1px solid var(--color-border);
        padding-top: 14px;
    }

    .brand-card .card-meta .meta-date {
        letter-spacing: 0.04em;
    }

    .brand-card .card-meta .meta-label {
        color: var(--color-accent);
        font-weight: 500;
    }

    .card-link-plain {
        color: inherit;
        text-decoration: none;
    }

    .card-link-plain:hover h3 {
        color: var(--color-accent);
    }

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

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

    .editorial-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
        border-color: var(--color-border-light);
    }

    .editorial-card .card-img {
        aspect-ratio: 16 / 9;
        overflow: hidden;
        background: var(--color-secondary-soft);
    }

    .editorial-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }

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

    .editorial-card .card-body {
        padding: 18px 20px 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .editorial-card .card-body h3 {
        font-family: var(--font-heading);
        font-size: 18px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.4;
        margin-bottom: 6px;
    }

    .editorial-card .card-body p {
        font-size: 14px;
        color: var(--color-text-secondary);
        line-height: 1.7;
        margin-bottom: 12px;
        flex: 1;
    }

    .editorial-card .card-body .read-more {
        font-size: 14px;
        color: var(--color-accent);
        font-weight: 500;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .editorial-card .card-body .read-more:hover {
        color: var(--color-secondary);
    }

    /* ===== Metrics Panel ===== */
    .metrics-panel {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .metric-item {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(198, 174, 115, 0.25);
        border-radius: var(--radius-md);
        padding: 28px 24px;
        text-align: center;
        transition: all var(--transition);
    }

    .metric-item:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: var(--color-accent);
    }

    .metric-item .metric-num {
        font-family: var(--font-heading);
        font-size: 40px;
        font-weight: 700;
        color: var(--color-accent);
        line-height: 1.2;
        margin-bottom: 6px;
        letter-spacing: 0.02em;
    }

    .metric-item .metric-unit {
        font-size: 15px;
        color: var(--color-accent);
        margin-left: 2px;
    }

    .metric-item .metric-label {
        font-size: 16px;
        font-weight: 600;
        color: var(--color-text-light);
        margin-bottom: 6px;
    }

    .metric-item .metric-desc {
        font-size: 13px;
        color: rgba(239, 234, 226, 0.6);
        line-height: 1.6;
    }

    /* ===== Quote / Text Image Block ===== */
    .text-image-block {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    .text-image-block .text-side h2 {
        font-family: var(--font-heading);
        font-size: 26px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.4;
        margin-bottom: 16px;
    }

    .text-image-block .text-side p {
        font-size: 16px;
        color: var(--color-text-secondary);
        line-height: 1.9;
        margin-bottom: 14px;
    }

    .text-image-block .text-side .highlight {
        color: var(--color-accent);
        font-weight: 600;
    }

    .text-image-block .image-side {
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-md);
    }

    .text-image-block .image-side img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        aspect-ratio: 4 / 3;
    }

    /* ===== Subscribe CTA ===== */
    .subscribe-cta {
        background: var(--color-primary);
        border-radius: var(--radius-md);
        padding: 40px 36px;
        text-align: center;
        box-shadow: var(--shadow-lg);
    }

    .subscribe-cta h2 {
        font-family: var(--font-heading);
        font-size: 26px;
        font-weight: 700;
        color: var(--color-text-light);
        margin-bottom: 10px;
    }

    .subscribe-cta p {
        font-size: 15px;
        color: rgba(239, 234, 226, 0.7);
        line-height: 1.8;
        margin-bottom: 22px;
        max-width: 520px;
        margin-left: auto;
        margin-right: auto;
    }

    .subscribe-cta .cta-btn {
        display: inline-block;
        background: var(--color-accent);
        color: var(--color-primary);
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 0.04em;
        padding: 12px 32px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--color-accent);
        transition: all var(--transition);
        cursor: pointer;
    }

    .subscribe-cta .cta-btn:hover {
        background: transparent;
        color: var(--color-accent);
    }

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

    .faq-item {
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: 10px;
        background: #fff;
        overflow: hidden;
        transition: all var(--transition);
    }

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

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 22px;
        cursor: pointer;
        font-weight: 600;
        font-size: 16px;
        color: var(--color-primary);
        user-select: none;
        transition: all var(--transition);
    }

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

    .faq-question .faq-icon {
        font-size: 20px;
        color: var(--color-accent);
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }

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

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        padding: 0 22px;
        color: var(--color-text-secondary);
        font-size: 15px;
        line-height: 1.85;
    }

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

    /* ===== Back Home / Bottom ===== */
    .back-home-block {
        padding: 40px 0 56px;
        text-align: center;
    }

    .back-home-block a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 15px;
        color: var(--color-secondary);
        font-weight: 500;
        padding: 10px 24px;
        border: 1.5px solid var(--color-secondary);
        border-radius: var(--radius-sm);
        transition: all var(--transition);
    }

    .back-home-block a:hover {
        background: var(--color-secondary);
        color: var(--color-bg);
        border-color: var(--color-secondary);
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--color-primary-deep);
        color: rgba(239, 234, 226, 0.7);
        padding: 48px 0 24px;
        font-size: 14px;
    }

    .footer-inner {
        display: grid;
        grid-template-columns: 1.2fr 2fr;
        gap: 40px;
        margin-bottom: 32px;
    }

    .footer-brand .brand-logo {
        color: var(--color-text-light);
        margin-bottom: 10px;
        display: inline-block;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(239, 234, 226, 0.55);
        max-width: 280px;
        margin-bottom: 0;
    }

    .footer-links {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .footer-links h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text-light);
        margin-bottom: 12px;
        letter-spacing: 0.04em;
    }

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

    .footer-links ul li {
        margin-bottom: 8px;
    }

    .footer-links ul li a {
        color: rgba(239, 234, 226, 0.6);
        font-size: 14px;
        transition: color var(--transition);
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px 24px;
        font-size: 13px;
        color: rgba(239, 234, 226, 0.45);
        align-items: center;
    }

    .footer-bottom a {
        color: rgba(239, 234, 226, 0.6);
        transition: color var(--transition);
    }

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

    .footer-bottom .sep {
        margin: 0 8px;
        color: rgba(239, 234, 226, 0.3);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .brand-card-list {
            grid-template-columns: repeat(2, 1fr);
        }
        .editorial-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .metrics-panel {
            grid-template-columns: repeat(2, 1fr);
        }
        .text-image-block {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .category-header h1 {
            font-size: 32px;
        }
    }

    @media (max-width: 768px) {
        .main-nav {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .site-header .grid-container {
            min-height: 60px;
        }
        .brand-logo {
            font-size: 22px;
        }
        .section-block {
            padding: var(--spacing-section-mobile) 0;
        }
        .category-header {
            padding: 36px 0 24px;
        }
        .category-header h1 {
            font-size: 28px;
        }
        .category-header .category-lede {
            font-size: 15px;
        }
        .brand-card-list {
            grid-template-columns: 1fr;
        }
        .editorial-grid {
            grid-template-columns: 1fr;
        }
        .metrics-panel {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .metric-item {
            padding: 20px 16px;
        }
        .metric-item .metric-num {
            font-size: 30px;
        }
        .subscribe-cta {
            padding: 28px 20px;
        }
        .subscribe-cta h2 {
            font-size: 22px;
        }
        .footer-inner {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-links {
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .faq-question {
            padding: 15px 18px;
            font-size: 15px;
        }
    }

    @media (max-width: 520px) {
        .grid-container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .category-header h1 {
            font-size: 24px;
        }
        .metrics-panel {
            grid-template-columns: 1fr;
        }
        .metric-item .metric-num {
            font-size: 28px;
        }
        .footer-links {
            grid-template-columns: 1fr;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .subscribe-cta h2 {
            font-size: 20px;
        }
        .brand-card .card-body h3 {
            font-size: 18px;
        }
    }

/* roulang page: category4 */
:root {
            --color-primary: #1E2D28;
            --color-primary-deep: #162320;
            --color-secondary: #5F7A70;
            --color-secondary-soft: rgba(95, 122, 112, 0.18);
            --color-bg: #F5F1E8;
            --color-bg-soft: #EDE6DA;
            --color-accent: #C6AE73;
            --color-accent-soft: rgba(198, 174, 115, 0.18);
            --color-text: #26302C;
            --color-text-secondary: #5B6560;
            --color-text-light: #EFEAE2;
            --color-border: rgba(95, 122, 112, 0.25);
            --color-border-light: rgba(198, 174, 115, 0.35);
            --radius-sm: 4px;
            --radius-md: 6px;
            --shadow-sm: 0 6px 16px rgba(30, 45, 40, 0.06);
            --shadow-md: 0 10px 22px rgba(30, 45, 40, 0.12);
            --shadow-lg: 0 18px 36px rgba(30, 45, 40, 0.14);
            --transition: 0.25s ease;
            --font-heading: 'Noto Serif SC', 'Songti SC', 'SimSun', 'Georgia', serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
            --font-mono: 'SFMono-Regular', 'Consolas', 'Menlo', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
        }
        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .grid-container.fluid {
            max-width: 100%;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 12px rgba(30, 45, 40, 0.12);
            transition: background var(--transition);
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
            padding-top: 0;
            padding-bottom: 0;
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.08em;
            transition: color var(--transition);
            white-space: nowrap;
            line-height: 1.3;
        }
        .brand-logo:hover {
            color: var(--color-accent);
        }
        .brand-logo .logo-sub {
            display: block;
            font-family: var(--font-body);
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 0.18em;
            color: rgba(239, 234, 226, 0.55);
            text-transform: uppercase;
            line-height: 1.2;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(239, 234, 226, 0.78);
            font-size: 14px;
            font-weight: 400;
            letter-spacing: 0.04em;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--color-text-light);
            background: rgba(198, 174, 115, 0.14);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(239, 234, 226, 0.35);
            color: var(--color-text-light);
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--color-accent);
        }
        .mobile-menu {
            display: none;
            width: 100%;
            background: var(--color-primary-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 12px 20px 20px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu a {
            color: rgba(239, 234, 226, 0.78);
            font-size: 15px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            display: block;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-text-light);
            background: rgba(198, 174, 115, 0.14);
        }
        .mobile-menu a.active {
            font-weight: 600;
        }
        .breadcrumb-bar {
            background: transparent;
            padding: 20px 0 0;
        }
        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--color-border);
            font-size: 13px;
            margin-left: 2px;
        }
        .breadcrumb a {
            color: var(--color-secondary);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }
        .category-hero {
            position: relative;
            padding: 56px 0 48px;
            background: var(--color-bg);
        }
        .category-hero .grid-container {
            position: relative;
            z-index: 1;
        }
        .category-hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 42%;
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
            pointer-events: none;
            border-radius: 0 0 0 40px;
        }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 8px 0 16px;
            line-height: 1.3;
            letter-spacing: 0.04em;
        }
        .category-hero .hero-lede {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.85;
            margin: 0 0 8px;
        }
        .category-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }
        .tag-chip {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(95, 122, 112, 0.1);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            font-size: 13px;
            color: var(--color-secondary);
            transition: all var(--transition);
            cursor: default;
        }
        .tag-chip:hover {
            background: rgba(198, 174, 115, 0.14);
            border-color: var(--color-border-light);
            color: var(--color-primary);
        }
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: var(--color-bg-soft);
        }
        .section-dark {
            background: var(--color-primary);
            color: var(--color-text-light);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px;
            line-height: 1.35;
            letter-spacing: 0.03em;
        }
        .section-dark .section-title {
            color: var(--color-text-light);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin: 0 0 32px;
            max-width: 560px;
            line-height: 1.75;
        }
        .section-dark .section-subtitle {
            color: rgba(239, 234, 226, 0.7);
        }
        .accent-line {
            width: 56px;
            height: 2px;
            background: var(--color-accent);
            margin-bottom: 16px;
            border-radius: 1px;
        }
        .card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border-light);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
            background: var(--color-bg-soft);
        }
        .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-title {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .card-title a {
            color: inherit;
        }
        .card-title a:hover {
            color: var(--color-accent);
        }
        .card-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0 0 12px;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-secondary);
            padding-top: 12px;
            border-top: 1px solid rgba(95, 122, 112, 0.12);
        }
        .card-tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(198, 174, 115, 0.12);
            border-radius: 999px;
            font-size: 12px;
            color: var(--color-primary);
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.05em;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            line-height: 1.5;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-text-light);
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-secondary);
            border-color: var(--color-secondary);
            color: var(--color-text-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-secondary);
            border-color: var(--color-secondary);
            border-width: 1.5px;
        }
        .btn-outline:hover {
            background: rgba(95, 122, 112, 0.1);
            border-color: var(--color-secondary);
            color: var(--color-primary);
            transform: translateY(-1px);
        }
        .btn-light {
            background: var(--color-text-light);
            color: var(--color-primary);
            border-color: var(--color-text-light);
        }
        .btn-light:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-block {
            display: block;
            width: 100%;
        }
        .metrics-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--color-primary);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .metric-item {
            padding: 28px 24px;
            text-align: center;
            border-right: 1px solid rgba(239, 234, 226, 0.08);
            transition: background var(--transition);
        }
        .metric-item:last-child {
            border-right: 0;
        }
        .metric-item:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        .metric-number {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
            margin-bottom: 6px;
        }
        .metric-label {
            font-size: 14px;
            color: var(--color-text-light);
            font-weight: 500;
            display: block;
            letter-spacing: 0.06em;
        }
        .metric-desc {
            font-size: 12px;
            color: rgba(239, 234, 226, 0.55);
            display: block;
            margin-top: 4px;
        }
        .horizontal-card {
            display: flex;
            flex-direction: row;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            margin-bottom: 16px;
        }
        .horizontal-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-light);
            transform: translateX(3px);
        }
        .horizontal-card-img {
            width: 200px;
            flex-shrink: 0;
            object-fit: cover;
            background: var(--color-bg-soft);
            min-height: 100%;
        }
        .horizontal-card-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .horizontal-card-title {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .horizontal-card-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0;
        }
        .quote-block {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
        }
        .quote-block-img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: var(--radius-sm);
            background: var(--color-bg-soft);
            box-shadow: var(--shadow-sm);
        }
        .quote-block-content h3 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .quote-block-content p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin: 0 0 10px;
        }
        .quote-attr {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 500;
            letter-spacing: 0.06em;
        }
        .cta-strip {
            background: var(--color-primary);
            border-radius: var(--radius-md);
            padding: 48px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            box-shadow: var(--shadow-lg);
        }
        .cta-strip h3 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text-light);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .cta-strip p {
            font-size: 14px;
            color: rgba(239, 234, 226, 0.7);
            margin: 0;
            line-height: 1.7;
            max-width: 480px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: all var(--transition);
            user-select: none;
            line-height: 1.6;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 300;
            color: var(--color-accent);
            line-height: 1;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item summary:hover {
            color: var(--color-secondary);
            background: rgba(95, 122, 112, 0.04);
        }
        .faq-item .faq-content {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        .faq-item .faq-content p {
            margin: 0;
        }
        .site-footer {
            background: var(--color-primary-deep);
            color: rgba(239, 234, 226, 0.7);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(239, 234, 226, 0.08);
        }
        .footer-brand .brand-logo {
            font-size: 24px;
            color: var(--color-text-light);
            display: inline-block;
            margin-bottom: 8px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(239, 234, 226, 0.55);
            line-height: 1.7;
            max-width: 280px;
            margin: 0;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-links h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text-light);
            margin: 0 0 12px;
            letter-spacing: 0.06em;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 6px;
        }
        .footer-links a {
            font-size: 13px;
            color: rgba(239, 234, 226, 0.55);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(239, 234, 226, 0.45);
        }
        .footer-bottom a {
            color: rgba(239, 234, 226, 0.55);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .sep {
            color: rgba(239, 234, 226, 0.3);
            margin: 0 4px;
        }
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .metrics-panel {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-item:nth-child(2) {
                border-right: 0;
            }
            .metric-item:nth-child(1),
            .metric-item:nth-child(2) {
                border-bottom: 1px solid rgba(239, 234, 226, 0.08);
            }
            .quote-block {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 28px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --spacing-section-mobile: 36px;
            }
            .site-header .grid-container {
                min-height: 58px;
            }
            .brand-logo {
                font-size: 22px;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .mobile-menu.open {
                display: flex;
            }
            .category-hero {
                padding: 36px 0 32px;
            }
            .category-hero h1 {
                font-size: 28px;
                line-height: 1.35;
            }
            .category-hero .hero-lede {
                font-size: 15px;
            }
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-title {
                font-size: 23px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 24px;
            }
            .metrics-panel {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-number {
                font-size: 28px;
            }
            .metric-label {
                font-size: 12px;
            }
            .metric-desc {
                font-size: 11px;
            }
            .horizontal-card {
                flex-direction: column;
            }
            .horizontal-card-img {
                width: 100%;
                aspect-ratio: 16/9;
                min-height: auto;
            }
            .cta-strip {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-strip h3 {
                font-size: 20px;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            .brand-logo {
                font-size: 20px;
                letter-spacing: 0.04em;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .metrics-panel {
                grid-template-columns: 1fr;
            }
            .metric-item {
                border-right: 0;
                border-bottom: 1px solid rgba(239, 234, 226, 0.08);
            }
            .metric-item:last-child {
                border-bottom: 0;
            }
            .footer-links {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-body {
                padding: 16px 16px 18px;
            }
            .card-title {
                font-size: 16px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .quote-block {
                padding: 20px;
            }
            .quote-block-content h3 {
                font-size: 18px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1E2D28;
            --color-primary-deep: #162320;
            --color-secondary: #5F7A70;
            --color-secondary-soft: rgba(95, 122, 112, 0.18);
            --color-bg: #F5F1E8;
            --color-bg-soft: #EDE6DA;
            --color-accent: #C6AE73;
            --color-accent-soft: rgba(198, 174, 115, 0.18);
            --color-text: #26302C;
            --color-text-secondary: #5B6560;
            --color-text-light: #EFEAE2;
            --color-border: rgba(95, 122, 112, 0.25);
            --color-border-light: rgba(198, 174, 115, 0.35);
            --radius-sm: 4px;
            --radius-md: 6px;
            --shadow-sm: 0 6px 16px rgba(30, 45, 40, 0.06);
            --shadow-md: 0 10px 22px rgba(30, 45, 40, 0.12);
            --shadow-lg: 0 18px 36px rgba(30, 45, 40, 0.14);
            --transition: 0.25s ease;
            --font-heading: 'Noto Serif SC', 'Songti SC', 'SimSun', 'Georgia', serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
            --font-mono: 'SFMono-Regular', 'Consolas', 'Menlo', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --max-width: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        select {
            font-family: var(--font-body);
            font-size: 16px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .grid-container.fluid {
            max-width: 100%;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 12px rgba(30, 45, 40, 0.12);
            transition: background var(--transition);
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
            padding-top: 0;
            padding-bottom: 0;
        }

        .brand-logo {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.08em;
            transition: color var(--transition);
            white-space: nowrap;
            line-height: 1.3;
        }

        .brand-logo:hover {
            color: var(--color-accent);
        }

        .brand-logo .logo-sub {
            display: block;
            font-family: var(--font-body);
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 0.18em;
            color: rgba(239, 234, 226, 0.55);
            text-transform: uppercase;
            line-height: 1.2;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            color: rgba(239, 234, 226, 0.78);
            font-size: 14px;
            font-weight: 400;
            letter-spacing: 0.04em;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--color-text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--color-text-light);
            background: rgba(198, 174, 115, 0.14);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(239, 234, 226, 0.35);
            color: var(--color-text-light);
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--color-accent);
        }

        .mobile-menu {
            display: none;
            width: 100%;
            flex-direction: column;
            padding: 8px 0 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a {
            color: rgba(239, 234, 226, 0.8);
            font-size: 15px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-accent);
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-sm {
            padding: 40px 0;
        }

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

        .section-bg-soft {
            background: var(--color-bg-soft);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

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

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 640px;
            line-height: 1.85;
            margin-bottom: 32px;
        }

        .section-subtitle.light {
            color: rgba(239, 234, 226, 0.65);
        }

        .section-divider {
            width: 48px;
            height: 2px;
            background: var(--color-accent);
            margin: 0 0 18px 0;
            border-radius: 1px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(239, 234, 226, 0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(239, 234, 226, 0.75);
            transition: color var(--transition);
        }

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

        .breadcrumb .sep {
            color: rgba(198, 174, 115, 0.5);
        }

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

        /* ===== 分类首屏 ===== */
        .category-hero {
            position: relative;
            background: var(--color-primary);
            background-image: url('/assets/images/5e12765cb916c5a6.webp');
            background-size: cover;
            background-position: center center;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            padding: 72px 0 56px;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(22, 35, 32, 0.92) 0%, rgba(30, 45, 40, 0.78) 50%, rgba(95, 122, 112, 0.4) 100%);
        }

        .category-hero .grid-container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 44px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: 0.02em;
        }

        .category-hero .hero-lead {
            font-size: 17px;
            color: rgba(239, 234, 226, 0.85);
            max-width: 720px;
            line-height: 1.9;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: 14px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.5;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary-deep);
            border-color: var(--color-accent);
        }

        .btn-primary:hover {
            background: #b8995f;
            border-color: #b8995f;
            color: var(--color-primary-deep);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text-light);
            border: 1.5px solid rgba(239, 234, 226, 0.5);
        }

        .btn-outline:hover {
            background: rgba(239, 234, 226, 0.08);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

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

        .btn-dark:hover {
            background: var(--color-primary-deep);
            border-color: var(--color-primary-deep);
            color: var(--color-text-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* ===== 卡片 ===== */
        .card {
            background: #fffdf9;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--color-bg-soft);
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .card-body {
            padding: 22px 24px 24px;
        }

        .card-body h3 {
            font-family: var(--font-heading);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        .card-meta .tag {
            background: var(--color-accent-soft);
            color: #8a6f3e;
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 11px;
        }

        /* ===== 专题列表卡片 ===== */
        .editorial-card {
            background: #fffdf9;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
        }

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

        .editorial-card .card-img {
            aspect-ratio: 16/9;
        }

        .editorial-card .card-body {
            padding: 20px 22px;
        }

        .editorial-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .editorial-card h3 a {
            color: var(--color-text);
            transition: color var(--transition);
        }

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

        .editorial-card .excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        /* ===== 编辑推荐 ===== */
        .recommend-card {
            background: #fffdf9;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .recommend-card .card-img {
            aspect-ratio: 4/3;
        }

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

        .recommend-card h3 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .recommend-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== 专栏作者 ===== */
        .author-card {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: #fffdf9;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .author-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .author-info h4 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .author-info .author-role {
            font-size: 12px;
            color: var(--color-accent);
            margin-bottom: 6px;
            letter-spacing: 0.05em;
        }

        .author-info p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* ===== 数据看板 ===== */
        .data-strip {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: space-between;
            padding: 28px 0;
        }

        .data-item {
            flex: 1;
            min-width: 140px;
            text-align: center;
            padding: 16px 12px;
            border-right: 1px solid var(--color-border);
        }

        .data-item:last-child {
            border-right: none;
        }

        .data-item .data-num {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
        }

        .data-item .data-label {
            font-size: 13px;
            color: rgba(239, 234, 226, 0.7);
            margin-top: 6px;
            display: block;
        }

        /* ===== 往期专题滚动 ===== */
        .past-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--color-secondary-soft) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .past-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .past-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .past-scroll::-webkit-scrollbar-thumb {
            background: var(--color-secondary-soft);
            border-radius: 2px;
        }

        .past-item {
            flex: 0 0 220px;
            background: #fffdf9;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            transition: all var(--transition);
            text-decoration: none;
            color: var(--color-text);
        }

        .past-item:hover {
            border-color: var(--color-border-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            color: var(--color-text);
        }

        .past-item .past-year {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            margin-bottom: 6px;
            display: block;
        }

        .past-item h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .past-item p {
            font-size: 12px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 订阅转化 ===== */
        .subscribe-banner {
            background: var(--color-primary);
            color: var(--color-text-light);
            border-radius: var(--radius-md);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            border: 1px solid rgba(198, 174, 115, 0.25);
            box-shadow: var(--shadow-lg);
        }

        .subscribe-banner h2 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text-light);
        }

        .subscribe-banner p {
            font-size: 14px;
            color: rgba(239, 234, 226, 0.7);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-primary-deep);
            color: rgba(239, 234, 226, 0.7);
            padding: 56px 0 0;
            border-top: 1px solid rgba(198, 174, 115, 0.15);
        }

        .footer-inner {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            padding-bottom: 40px;
        }

        .footer-brand .brand-logo {
            font-size: 24px;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(239, 234, 226, 0.55);
            max-width: 280px;
            line-height: 1.75;
            margin: 0;
        }

        .footer-links {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }

        .footer-links h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

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

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: rgba(239, 234, 226, 0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(239, 234, 226, 0.08);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(239, 234, 226, 0.45);
        }

        .footer-bottom a {
            color: rgba(239, 234, 226, 0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom .sep {
            margin: 0 6px;
            color: rgba(239, 234, 226, 0.25);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 36px;
            }
            .section-title {
                font-size: 26px;
            }
            .data-strip {
                gap: 12px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu.open {
                display: flex;
            }
            .category-hero {
                min-height: 300px;
                padding: 56px 0 40px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-lead {
                font-size: 15px;
            }
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .data-item {
                min-width: calc(50% - 12px);
                border-right: none;
                border-bottom: 1px solid var(--color-border);
                padding: 12px 8px;
            }
            .data-item:nth-child(2n) {
                border-bottom: 1px solid var(--color-border);
            }
            .subscribe-banner {
                padding: 28px 22px;
                text-align: center;
                justify-content: center;
            }
            .footer-inner {
                flex-direction: column;
                gap: 28px;
            }
            .footer-links {
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .category-hero .hero-actions .btn {
                width: 100%;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .card-body {
                padding: 16px 18px 18px;
            }
            .author-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .past-item {
                flex: 0 0 180px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1E2D28;
            --color-primary-deep: #162320;
            --color-secondary: #5F7A70;
            --color-secondary-soft: rgba(95, 122, 112, 0.18);
            --color-bg: #F5F1E8;
            --color-bg-soft: #EDE6DA;
            --color-accent: #C6AE73;
            --color-accent-soft: rgba(198, 174, 115, 0.18);
            --color-text: #26302C;
            --color-text-secondary: #5B6560;
            --color-text-light: #EFEAE2;
            --color-border: rgba(95, 122, 112, 0.25);
            --color-border-light: rgba(198, 174, 115, 0.35);
            --radius-sm: 4px;
            --radius-md: 6px;
            --shadow-sm: 0 6px 16px rgba(30, 45, 40, 0.06);
            --shadow-md: 0 10px 22px rgba(30, 45, 40, 0.12);
            --shadow-lg: 0 18px 36px rgba(30, 45, 40, 0.14);
            --transition: 0.25s ease;
            --font-heading: 'Noto Serif SC', 'Songti SC', 'SimSun', 'Georgia', serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
            --font-mono: 'SFMono-Regular', 'Consolas', 'Menlo', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --max-width: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            color: var(--color-text);
            line-height: 1.3;
            margin: 0 0 16px;
            font-weight: 600;
        }
        p {
            margin: 0 0 16px;
        }
        ul, ol {
            margin: 0 0 16px;
            padding-left: 20px;
        }
        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 12px rgba(30, 45, 40, 0.12);
            transition: background var(--transition);
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
            padding-top: 0;
            padding-bottom: 0;
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.08em;
            transition: color var(--transition);
            white-space: nowrap;
            line-height: 1.3;
        }
        .brand-logo:hover {
            color: var(--color-accent);
        }
        .brand-logo .logo-sub {
            display: block;
            font-family: var(--font-body);
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 0.18em;
            color: rgba(239, 234, 226, 0.55);
            text-transform: uppercase;
            line-height: 1.2;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(239, 234, 226, 0.78);
            font-size: 14px;
            font-weight: 400;
            letter-spacing: 0.04em;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--color-text-light);
            background: rgba(198, 174, 115, 0.14);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(239, 234, 226, 0.35);
            color: var(--color-text-light);
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--color-accent);
        }
        .mobile-menu {
            display: none;
            width: 100%;
            background: var(--color-primary);
            padding: 12px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a {
            display: block;
            color: rgba(239, 234, 226, 0.85);
            font-size: 15px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color var(--transition);
        }
        .mobile-menu a:hover {
            color: var(--color-accent);
        }
        .mobile-menu a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 16px 0 0;
        }
        .breadcrumb {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--color-border-light);
            margin-left: 4px;
        }
        .breadcrumb a {
            color: var(--color-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 600;
        }
        /* Section Common */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-soft {
            background-color: var(--color-bg-soft);
        }
        .section-dark {
            background-color: var(--color-primary);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: var(--color-text-light);
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 18px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }
        .section-divider {
            width: 72px;
            height: 2px;
            background: var(--color-accent);
            border: 0;
            margin: 16px 0 24px;
        }
        .section-divider.center {
            margin-left: auto;
            margin-right: auto;
        }
        /* Buttons */
        .btn {
            display: inline-block;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.03em;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.5;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-text-light);
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-secondary);
            border-color: var(--color-secondary);
            color: var(--color-text-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-secondary);
            border: 1.5px solid var(--color-secondary);
        }
        .btn-outline:hover {
            background: var(--color-secondary-soft);
            border-color: var(--color-secondary);
            color: var(--color-secondary);
            transform: translateY(-1px);
        }
        .btn-light {
            background: var(--color-bg);
            color: var(--color-primary);
            border-color: var(--color-bg);
        }
        .btn-light:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary);
        }
        .btn-accent-outline {
            background: transparent;
            color: var(--color-accent);
            border: 1.5px solid var(--color-accent);
        }
        .btn-accent-outline:hover {
            background: var(--color-accent-soft);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-bottom: 2px solid var(--color-accent);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 20px 24px 24px;
        }
        .card-title {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .card-title a {
            color: var(--color-text);
            transition: color var(--transition);
        }
        .card-title a:hover {
            color: var(--color-accent);
        }
        .card-meta {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-bottom: 10px;
        }
        .card-excerpt {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .tag {
            display: inline-block;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--color-accent-soft);
            color: var(--color-primary);
            letter-spacing: 0.04em;
            font-weight: 500;
            transition: all var(--transition);
        }
        .tag:hover {
            background: var(--color-accent);
            color: var(--color-text-light);
        }
        /* Research list rows */
        .research-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition);
        }
        .research-list-item:last-child {
            border-bottom: 0;
        }
        .research-list-item:hover {
            padding-left: 8px;
        }
        .research-list-img {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .research-list-content {
            flex: 1;
        }
        .research-list-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .research-list-title a {
            color: var(--color-text);
            transition: color var(--transition);
        }
        .research-list-title a:hover {
            color: var(--color-accent);
        }
        .research-list-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
        }
        /* Data dashboard */
        .data-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(198, 174, 115, 0.25);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .data-card:hover {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.07);
        }
        .data-number {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .data-label {
            font-size: 14px;
            color: var(--color-text-light);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .data-aux {
            font-size: 13px;
            color: rgba(239, 234, 226, 0.6);
            margin-top: 4px;
        }
        /* Reference block */
        .reference-block {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            display: flex;
            gap: 28px;
            align-items: flex-start;
            transition: all var(--transition);
        }
        .reference-block:hover {
            box-shadow: var(--shadow-md);
        }
        .reference-block img {
            width: 220px;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .reference-block-content {
            flex: 1;
        }
        /* Subscribe bar */
        .subscribe-bar {
            background: var(--color-primary);
            border-radius: var(--radius-md);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            box-shadow: var(--shadow-md);
        }
        .subscribe-bar h3 {
            color: var(--color-text-light);
            font-size: 22px;
            margin-bottom: 6px;
        }
        .subscribe-bar p {
            color: rgba(239, 234, 226, 0.7);
            margin: 0;
            font-size: 15px;
        }
        /* FAQ */
        .accordion-item {
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 0;
        }
        .accordion-question {
            width: 100%;
            text-align: left;
            padding: 18px 0;
            background: transparent;
            border: 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition);
        }
        .accordion-question:hover {
            color: var(--color-accent);
        }
        .accordion-question .icon {
            font-size: 20px;
            color: var(--color-accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .accordion-item.open .accordion-question .icon {
            transform: rotate(45deg);
        }
        .accordion-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .accordion-answer-inner {
            padding: 0 0 20px;
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.85;
        }
        .accordion-item.open .accordion-answer {
            max-height: 300px;
        }
        /* Footer */
        .site-footer {
            background: var(--color-primary-deep);
            color: rgba(239, 234, 226, 0.7);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-logo {
            font-size: 28px;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            color: rgba(239, 234, 226, 0.55);
            font-size: 14px;
            max-width: 280px;
            line-height: 1.7;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-links h4 {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(239, 234, 226, 0.55);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0 24px;
            font-size: 13px;
            color: rgba(239, 234, 226, 0.45);
        }
        .footer-bottom a {
            color: rgba(239, 234, 226, 0.55);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .sep {
            margin: 0 6px;
            color: rgba(239, 234, 226, 0.25);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-title {
                font-size: 26px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .research-list-img {
                width: 140px;
                height: 100px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu.open {
                display: block;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .reference-block {
                flex-direction: column;
                padding: 20px;
            }
            .reference-block img {
                width: 100%;
                height: 180px;
            }
            .research-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .research-list-img {
                width: 100%;
                height: 160px;
            }
            .subscribe-bar {
                flex-direction: column;
                text-align: center;
                padding: 24px 20px;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .section-title {
                font-size: 21px;
            }
            .card-body {
                padding: 16px 18px 20px;
            }
            .card-img {
                height: 160px;
            }
            .data-number {
                font-size: 28px;
            }
            .btn {
                width: 100%;
                display: block;
            }
        }
        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .gap-16 {
            gap: 16px;
        }
        .gap-24 {
            gap: 24px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }

/* roulang page: category5 */
:root {
            --color-primary: #1E2D28;
            --color-primary-deep: #162320;
            --color-secondary: #5F7A70;
            --color-secondary-soft: rgba(95, 122, 112, 0.18);
            --color-bg: #F5F1E8;
            --color-bg-soft: #EDE6DA;
            --color-accent: #C6AE73;
            --color-accent-soft: rgba(198, 174, 115, 0.18);
            --color-text: #26302C;
            --color-text-secondary: #5B6560;
            --color-text-light: #EFEAE2;
            --color-border: rgba(95, 122, 112, 0.25);
            --color-border-light: rgba(198, 174, 115, 0.35);
            --radius-sm: 4px;
            --radius-md: 6px;
            --shadow-sm: 0 6px 16px rgba(30, 45, 40, 0.06);
            --shadow-md: 0 10px 22px rgba(30, 45, 40, 0.12);
            --shadow-lg: 0 18px 36px rgba(30, 45, 40, 0.14);
            --transition: 0.25s ease;
            --font-heading: 'Noto Serif SC', 'Songti SC', 'SimSun', 'Georgia', serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
            --font-mono: 'SFMono-Regular', 'Consolas', 'Menlo', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button, input, select {
            font-family: var(--font-body);
            font-size: 16px;
        }
        button:focus-visible, input:focus-visible, select:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
        }
        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .grid-container.fluid {
            max-width: 100%;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 12px rgba(30, 45, 40, 0.12);
            transition: background var(--transition);
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
            padding-top: 0;
            padding-bottom: 0;
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.08em;
            transition: color var(--transition);
            white-space: nowrap;
            line-height: 1.3;
        }
        .brand-logo:hover {
            color: var(--color-accent);
        }
        .brand-logo .logo-sub {
            display: block;
            font-family: var(--font-body);
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 0.18em;
            color: rgba(239, 234, 226, 0.55);
            text-transform: uppercase;
            line-height: 1.2;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(239, 234, 226, 0.78);
            font-size: 14px;
            font-weight: 400;
            letter-spacing: 0.04em;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--color-text-light);
            background: rgba(198, 174, 115, 0.14);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(239, 234, 226, 0.35);
            color: var(--color-text-light);
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--color-accent);
        }
        .mobile-menu {
            display: none;
            width: 100%;
            background: var(--color-primary-deep);
            padding: 12px 20px 16px;
            border-top: 1px solid rgba(239, 234, 226, 0.08);
        }
        .mobile-menu a {
            display: block;
            color: rgba(239, 234, 226, 0.82);
            font-size: 15px;
            padding: 10px 4px;
            border-bottom: 1px solid rgba(239, 234, 226, 0.06);
            transition: all var(--transition);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a:hover {
            color: var(--color-accent);
        }
        .mobile-menu a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--color-bg-soft);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .breadcrumb a {
            color: var(--color-secondary);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--color-accent);
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }
        /* ===== Section Common ===== */
        section {
            padding: var(--spacing-section) 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .section-divider {
            width: 56px;
            height: 2px;
            background: var(--color-accent);
            margin-bottom: 20px;
            border-radius: 1px;
        }
        /* ===== Category Hero / Intro ===== */
        .category-intro {
            padding: 56px 0 40px;
            background: var(--color-bg);
        }
        .category-intro h1 {
            font-family: var(--font-heading);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.28;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .category-intro .intro-text {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            max-width: 820px;
            margin-bottom: 28px;
        }
        .category-intro .intro-image-wrap {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            margin-bottom: 8px;
        }
        .category-intro .intro-image-wrap img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .category-intro .intro-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 28px 24px;
            background: linear-gradient(to top, rgba(30, 45, 40, 0.82), transparent);
        }
        .category-intro .intro-image-overlay span {
            color: rgba(239, 234, 226, 0.85);
            font-size: 13px;
            letter-spacing: 0.12em;
        }
        /* ===== Pills / Sub Nav ===== */
        .pill-nav-section {
            padding: 20px 0 12px;
            background: var(--color-bg);
        }
        .pill-nav {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0 8px;
        }
        .pill-nav::-webkit-scrollbar {
            display: none;
        }
        .pill-nav a {
            flex-shrink: 0;
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-bg-soft);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            font-size: 13px;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .pill-nav a:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            background: var(--color-accent-soft);
        }
        .pill-nav a.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-text-light);
            font-weight: 500;
            box-shadow: 0 0 0 3px var(--color-accent-soft);
        }
        /* ===== Article Cards List ===== */
        .article-list-section {
            background: var(--color-bg);
            padding-top: 32px;
        }
        .article-card {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 18px;
            margin-bottom: 18px;
            transition: all var(--transition);
        }
        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-bottom-color: var(--color-accent);
        }
        .article-card .card-img {
            flex: 0 0 200px;
            max-width: 200px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
        }
        .article-card .card-img img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .article-card .card-body {
            flex: 1;
            min-width: 240px;
        }
        .article-card .card-tag {
            display: inline-block;
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 999px;
            background: var(--color-accent-soft);
            color: var(--color-secondary);
            letter-spacing: 0.08em;
            margin-bottom: 8px;
        }
        .article-card .card-title {
            font-family: var(--font-heading);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .article-card .card-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 10px;
        }
        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--color-text-secondary);
        }
        .article-card .card-meta time,
        .article-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        /* ===== Editor Picks ===== */
        .editor-picks {
            background: var(--color-bg-soft);
        }
        .picker-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
        }
        .picker-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-bottom-color: var(--color-accent);
        }
        .picker-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .picker-card .picker-body {
            padding: 18px 20px 20px;
        }
        .picker-card .picker-label {
            font-size: 11px;
            color: var(--color-accent);
            letter-spacing: 0.1em;
            margin-bottom: 6px;
        }
        .picker-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .picker-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ===== Data Strip ===== */
        .data-strip-section {
            background: var(--color-primary);
            padding: 48px 0;
        }
        .data-strip-card {
            text-align: center;
            padding: 12px 16px;
            border-right: 1px solid rgba(239, 234, 226, 0.1);
        }
        .data-strip-card:last-child {
            border-right: none;
        }
        .data-strip-card .data-number {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
        }
        .data-strip-card .data-label {
            font-size: 14px;
            color: var(--color-text-light);
            display: block;
            margin-top: 6px;
            letter-spacing: 0.04em;
        }
        .data-strip-card .data-note {
            font-size: 12px;
            color: rgba(239, 234, 226, 0.55);
            display: block;
            margin-top: 4px;
        }
        /* ===== Feature Quote Block ===== */
        .feature-quote-section {
            background: var(--color-bg);
        }
        .feature-quote-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }
        .feature-quote-grid .quote-visual {
            flex: 0 0 360px;
            max-width: 360px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .feature-quote-grid .quote-visual img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        .feature-quote-grid .quote-text {
            flex: 1;
            min-width: 260px;
        }
        .feature-quote-grid .quote-text h3 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .feature-quote-grid .quote-text p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .feature-quote-grid .quote-text .quote-mark {
            font-family: var(--font-heading);
            font-size: 48px;
            color: var(--color-accent);
            line-height: 1;
            display: block;
            margin-bottom: 8px;
        }
        /* ===== Subscribe CTA ===== */
        .subscribe-cta-section {
            background: var(--color-primary);
            padding: 56px 0;
        }
        .subscribe-cta-box {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }
        .subscribe-cta-box h2 {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .subscribe-cta-box p {
            font-size: 15px;
            color: rgba(239, 234, 226, 0.7);
            line-height: 1.75;
            margin-bottom: 24px;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .subscribe-form input,
        .subscribe-form select {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(239, 234, 226, 0.25);
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-light);
            font-size: 14px;
            min-width: 160px;
            transition: all var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(239, 234, 226, 0.5);
        }
        .subscribe-form input:focus,
        .subscribe-form select:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.1);
        }
        .subscribe-form select option {
            background: var(--color-primary);
            color: var(--color-text-light);
        }
        .subscribe-form .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary-deep);
            border: 1px solid var(--color-accent);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: 0.05em;
            cursor: pointer;
            transition: all var(--transition);
        }
        .subscribe-form .btn-primary:hover {
            background: #d4bd86;
            border-color: #d4bd86;
        }
        .subscribe-form .btn-primary:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
        }
        .subscribe-note {
            font-size: 12px;
            color: rgba(239, 234, 226, 0.45);
            margin-top: 14px;
        }
        .subscribe-consent {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 12px;
            color: rgba(239, 234, 226, 0.6);
            margin-top: 10px;
        }
        .subscribe-consent input[type="checkbox"] {
            width: auto;
            min-width: auto;
            accent-color: var(--color-accent);
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-deep);
            color: rgba(239, 234, 226, 0.72);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(198, 174, 115, 0.15);
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            flex: 1 1 220px;
            min-width: 200px;
        }
        .footer-brand .brand-logo {
            font-size: 28px;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(239, 234, 226, 0.55);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-links {
            flex: 3 1 480px;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }
        .footer-links > div {
            flex: 1 1 160px;
        }
        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-light);
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(239, 234, 226, 0.6);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(239, 234, 226, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 12px;
            color: rgba(239, 234, 226, 0.45);
        }
        .footer-bottom span {
            display: inline-flex;
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(239, 234, 226, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .sep {
            margin: 0 6px;
            color: rgba(239, 234, 226, 0.25);
        }
        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-block;
            background: var(--color-primary);
            color: var(--color-text-light);
            border: 1px solid var(--color-primary);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-primary:hover {
            background: var(--color-secondary);
            border-color: var(--color-secondary);
            color: var(--color-text-light);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--color-secondary);
            border: 1.5px solid var(--color-secondary);
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-outline:hover {
            background: var(--color-secondary-soft);
            border-color: var(--color-secondary);
            color: var(--color-primary);
        }
        .btn-outline:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-accent {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary-deep);
            border: 1px solid var(--color-accent);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-accent:hover {
            background: #d4bd86;
            border-color: #d4bd86;
            color: var(--color-primary-deep);
        }
        .btn-accent:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-link {
            display: inline-block;
            color: var(--color-secondary);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.04em;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            background: none;
        }
        .btn-link:hover {
            color: var(--color-accent);
        }
        .btn-link i {
            margin-left: 4px;
            font-style: normal;
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            section {
                padding: 48px 0;
            }
            .category-intro {
                padding: 40px 0 32px;
            }
            .category-intro h1 {
                font-size: 32px;
            }
            .category-intro .intro-image-wrap img {
                height: 260px;
            }
            .article-card .card-img {
                flex: 0 0 160px;
                max-width: 160px;
            }
            .article-card .card-img img {
                height: 120px;
            }
            .feature-quote-grid .quote-visual {
                flex: 0 0 280px;
                max-width: 280px;
            }
            .feature-quote-grid .quote-visual img {
                height: 220px;
            }
            .data-strip-card .data-number {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            section {
                padding: 40px 0;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu.open {
                display: block;
            }
            .category-intro {
                padding: 32px 0 24px;
            }
            .category-intro h1 {
                font-size: 28px;
            }
            .category-intro .intro-image-wrap img {
                height: 200px;
            }
            .article-card {
                flex-direction: column;
                gap: 12px;
            }
            .article-card .card-img {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
            }
            .article-card .card-img img {
                height: 180px;
                width: 100%;
            }
            .article-card .card-title {
                font-size: 17px;
            }
            .feature-quote-grid {
                flex-direction: column;
                gap: 20px;
            }
            .feature-quote-grid .quote-visual {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
            }
            .feature-quote-grid .quote-visual img {
                height: 200px;
                width: 100%;
            }
            .data-strip-card {
                border-right: none;
                border-bottom: 1px solid rgba(239, 234, 226, 0.1);
                padding: 14px 12px;
            }
            .data-strip-card:last-child {
                border-bottom: none;
            }
            .data-strip-card .data-number {
                font-size: 28px;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form input,
            .subscribe-form select {
                width: 100%;
                min-width: auto;
            }
            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }
            .footer-links {
                flex-direction: column;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .pill-nav a {
                padding: 7px 14px;
                font-size: 12px;
            }
        }
        @media (max-width: 520px) {
            section {
                padding: 28px 0;
            }
            .grid-container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .category-intro h1 {
                font-size: 24px;
            }
            .category-intro .intro-text {
                font-size: 15px;
            }
            .category-intro .intro-image-wrap img {
                height: 160px;
            }
            .section-title {
                font-size: 24px;
            }
            .article-card .card-img img {
                height: 140px;
            }
            .article-card .card-title {
                font-size: 16px;
            }
            .article-card .card-summary {
                font-size: 13px;
            }
            .picker-card img {
                height: 140px;
            }
            .feature-quote-grid .quote-text h3 {
                font-size: 20px;
            }
            .subscribe-cta-box h2 {
                font-size: 22px;
            }
            .data-strip-card .data-number {
                font-size: 24px;
            }
            .breadcrumb {
                font-size: 12px;
                flex-wrap: wrap;
            }
            .footer-bottom {
                font-size: 11px;
            }
        }