/* roulang page: index */
:root {
            --brand-deep: #14201C;
            --brand-green: #1E3A2F;
            --brand-copper: #C8873A;
            --brand-amber: #E5A94D;
            --brand-mist: #5F7D6B;
            --brand-muted: #A86F2E;
            --bg-warm: #F7F5F0;
            --bg-card: #EFEDE7;
            --text-dark: #1C1C1C;
            --text-soft: #4A4A4A;
            --text-faint: #7D7D7D;
            --border-light: #E5E1D8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(20,32,28,0.06), 0 2px 8px rgba(20,32,28,0.12);
            --shadow-card-hover: 0 16px 40px rgba(20,32,28,0.10), 0 4px 16px rgba(20,32,28,0.16);
            --shadow-hero: 0 24px 80px rgba(20,32,28,0.16), 0 8px 32px rgba(200,135,58,0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--brand-copper);
            outline-offset: 2px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        .section {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        @media (max-width: 768px) {
            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
        }

        .section-tight {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .section-alt {
            background: #EDEAE3;
        }

        .section-deep {
            background: var(--brand-deep);
            color: #F5F2EA;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(247,245,240,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo {
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: var(--brand-deep);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-soft);
            position: relative;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--brand-copper);
            border-bottom-color: var(--brand-copper);
        }

        .nav-mobile-toggle {
            display: none;
            font-size: 22px;
            color: var(--brand-deep);
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-mobile-toggle {
                display: block;
            }
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 12px 20px 20px;
        }

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

        .mobile-menu a {
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid #f0ede7;
            color: var(--text-dark);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        /* Progress steps nav */
        .progress-steps {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
        }

        .progress-steps-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            flex-wrap: wrap;
        }

        .progress-step {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            padding: 6px 12px;
            border-radius: 999px;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .progress-step:hover {
            background: #E2DFD6;
            color: var(--brand-green);
        }

        .progress-step .step-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 9px;
            font-weight: 700;
        }

        .progress-step:first-child .step-dot {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
        }

        @media (max-width: 520px) {
            .progress-steps-inner {
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
            }
            .progress-step {
                white-space: nowrap;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            padding-top: 60px;
            padding-bottom: 70px;
            background: radial-gradient(ellipse at 50% 20%, rgba(30,58,47,0.9), rgba(20,32,28,0.98));
            color: #F5F2EA;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/aee613ed987acd42.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1.4fr 1fr;
            gap: 32px;
            align-items: center;
        }

        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .hero-value-point {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: rgba(247,245,240,0.08);
            border: 1px solid rgba(247,245,240,0.16);
            border-radius: var(--radius-md);
            padding: 16px;
        }

        .hero-value-point i {
            color: var(--brand-amber);
            font-size: 18px;
            margin-top: 4px;
        }

        .hero-value-point h3 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 4px;
            color: #fff;
        }

        .hero-value-point p {
            font-size: 13px;
            color: #D9D4C8;
            margin: 0;
            line-height: 1.5;
        }

        .hero-stage {
            background: rgba(247,245,240,0.07);
            border: 1px solid rgba(247,245,240,0.18);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-hero);
            backdrop-filter: blur(8px);
        }

        .hero-stage-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .hero-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 18px;
            letter-spacing: 0.01em;
            color: #fff;
        }

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: #E5E0D5;
            margin: 0 0 24px;
            max-width: 720px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 26px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            transition: all 0.25s ease;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper), var(--brand-amber));
            color: #fff;
            border-color: transparent;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(200,135,58,0.35);
            filter: brightness(1.05);
        }

        .btn-secondary {
            background: transparent;
            color: #F5F2EA;
            border-color: var(--brand-green);
            background-color: rgba(20,32,28,0.5);
        }

        .btn-secondary:hover {
            border-color: var(--brand-copper);
            color: var(--brand-amber);
            transform: translateY(-2px);
        }

        .btn-small {
            padding: 10px 18px;
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .hero {
                padding-top: 36px;
                padding-bottom: 44px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn {
                justify-content: center;
                width: 100%;
            }
        }

        /* Section headings */
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 12px;
            color: var(--text-dark);
        }

        .section-lead {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 760px;
            margin: 0 0 32px;
            line-height: 1.8;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--brand-copper);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
        }

        .card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

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

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--text-dark);
        }

        .card-text {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin: 0;
        }

        /* Horizontal cards */
        .h-card-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .h-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: 0 4px 12px rgba(20,32,28,0.05);
            transition: all 0.25s ease;
        }

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

        .h-card-img {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .h-card-content {
            flex: 1;
            min-width: 0;
        }

        .h-card-title {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--text-dark);
        }

        .h-card-desc {
            font-size: 13px;
            color: var(--text-soft);
            margin: 0 0 10px;
            line-height: 1.6;
        }

        .h-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .tag {
            display: inline-block;
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 999px;
            background: var(--bg-card);
            color: var(--text-soft);
            font-weight: 500;
        }

        .tag-accent {
            background: rgba(200,135,58,0.14);
            color: var(--brand-muted);
        }

        /* Data badges */
        .data-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 10px 20px;
            box-shadow: 0 4px 12px rgba(20,32,28,0.06);
        }

        .data-badge-num {
            font-size: 22px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1;
        }

        .data-badge-label {
            font-size: 12px;
            color: var(--text-soft);
            font-weight: 500;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 22px;
            border-left: 4px solid var(--brand-copper);
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

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

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 12px;
        }

        .step-name {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--text-dark);
        }

        .step-desc {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.7;
        }

        /* Split layout */
        .split-layout {
            display: grid;
            grid-template-columns: 1.3fr 0.9fr;
            gap: 28px;
        }

        @media (max-width: 768px) {
            .split-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px;
            border: 1px solid var(--border-light);
            display: flex;
            gap: 14px;
            transition: all 0.25s ease;
        }

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

        .news-date {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--bg-card);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-soft);
            font-weight: 500;
        }

        .news-date strong {
            font-size: 18px;
            color: var(--brand-green);
            line-height: 1.2;
        }

        .news-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 4px;
        }

        .news-excerpt {
            font-size: 13px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.6;
        }

        /* Hot list */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hot-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
        }

        .hot-item:hover {
            border-color: var(--brand-copper);
            transform: translateX(4px);
        }

        .hot-rank {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: var(--brand-deep);
            color: var(--brand-amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            flex-shrink: 0;
        }

        .hot-name {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            flex: 1;
        }

        .hot-meta {
            font-size: 11px;
            color: var(--text-faint);
        }

        /* Topic bar */
        .topic-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border-light);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            transition: all 0.25s ease;
        }

        .topic-pill:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
            background: rgba(200,135,58,0.06);
        }

        /* Compare table */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .compare-table th,
        .compare-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-light);
        }

        .compare-table th {
            background: var(--brand-deep);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
        }

        .compare-table td:first-child {
            font-weight: 600;
            color: var(--text-dark);
        }

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

        .compare-table .highlight-col {
            background: rgba(200,135,58,0.06);
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            background: #fff;
            text-align: left;
            gap: 16px;
        }

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

        .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

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

        /* Brand intro */
        .brand-intro {
            font-size: 15px;
            line-height: 2;
            color: var(--text-soft);
            max-width: 900px;
        }

        .brand-intro p {
            margin: 0 0 16px;
        }

        /* Guarantee */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        @media (max-width: 1024px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
        }

        .guarantee-card {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(247,245,240,0.08);
            border: 1px solid rgba(247,245,240,0.16);
            border-radius: var(--radius-md);
            padding: 16px;
            color: #F5F2EA;
        }

        .guarantee-card i {
            font-size: 22px;
            color: var(--brand-amber);
        }

        .guarantee-card span {
            font-size: 14px;
            font-weight: 500;
        }

        /* Subscribe */
        .subscribe-box {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            width: 100%;
            max-width: 460px;
        }

        .subscribe-input {
            flex: 1;
            padding: 14px 18px;
            border-radius: 999px;
            border: 1px solid var(--border-light);
            font-size: 14px;
            background: #FAFAF7;
            font-family: inherit;
            transition: border-color 0.2s ease;
        }

        .subscribe-input:focus {
            border-color: var(--brand-copper);
            outline: none;
        }

        /* Fixed CTA */
        .fixed-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 60;
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--brand-deep);
            color: #fff;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            box-shadow: 0 16px 40px rgba(20,32,28,0.3);
            max-width: 360px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .fixed-cta:hover {
            transform: translateY(-2px);
        }

        .fixed-cta-text {
            font-size: 13px;
            line-height: 1.4;
            color: #E5E0D5;
        }

        .fixed-cta-close {
            position: absolute;
            top: -8px;
            right: -8px;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: #fff;
            color: var(--brand-deep);
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }

        @media (max-width: 768px) {
            .fixed-cta {
                left: 16px;
                right: 16px;
                bottom: 16px;
                max-width: none;
                justify-content: space-between;
                padding: 14px 16px;
            }
            .fixed-cta-text {
                font-size: 12px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--brand-deep);
            color: #D9D4C8;
            padding-top: 56px;
            padding-bottom: 32px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: #B8B4AA;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: #B8B4AA;
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(247,245,240,0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: #B8B4AA;
        }

        .footer-bottom a {
            color: #B8B4AA;
            margin: 0 6px;
        }

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

        /* Responsive images */
        .responsive-img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-md);
        }

@media (max-width: 1024px) {
                        .steps-grid[style*="grid-template-columns: repeat(5,1fr)"] {
                            grid-template-columns: repeat(2, 1fr) !important;
                        }
                    }
                    @media (max-width: 560px) {
                        .steps-grid[style*="grid-template-columns: repeat(5,1fr)"] {
                            grid-template-columns: 1fr !important;
                        }
                    }

/* roulang page: category1 */
:root {
            --brand-deep: #14201C;
            --brand-green: #1E3A2F;
            --brand-copper: #C8873A;
            --brand-amber: #E5A94D;
            --brand-mist: #5F7D6B;
            --brand-muted: #A86F2E;
            --bg-warm: #F7F5F0;
            --bg-card: #EFEDE7;
            --text-dark: #1C1C1C;
            --text-soft: #4A4A4A;
            --text-faint: #7D7D7D;
            --border-light: #E5E1D8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(20,32,28,0.06), 0 2px 8px rgba(20,32,28,0.12);
            --shadow-card-hover: 0 16px 40px rgba(20,32,28,0.10), 0 4px 16px rgba(20,32,28,0.16);
            --shadow-hero: 0 24px 80px rgba(20,32,28,0.16), 0 8px 32px rgba(200,135,58,0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        .section-tight {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .section-alt {
            background: #EDEAE3;
        }

        .section-deep {
            background: var(--brand-deep);
            color: #F5F2EA;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(247,245,240,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo {
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: var(--brand-deep);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-soft);
            position: relative;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--brand-copper);
            border-bottom-color: var(--brand-copper);
        }

        .nav-mobile-toggle {
            display: none;
            font-size: 22px;
            color: var(--brand-deep);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 12px 20px 20px;
        }

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

        .mobile-menu a {
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid #f0ede7;
            color: var(--text-dark);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        /* Progress steps nav */
        .progress-steps {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
        }

        .progress-steps-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .progress-step {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            transition: color 0.2s ease;
        }

        .progress-step:hover {
            color: var(--brand-copper);
        }

        .step-dot {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-faint);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-faint);
            transition: color 0.2s ease;
        }

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

        .breadcrumb .separator {
            color: var(--brand-muted);
        }

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

        /* Category header */
        .category-header {
            padding: 56px 0 32px;
        }

        .category-header h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .category-header .cat-desc {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 860px;
            line-height: 1.8;
            margin: 0;
        }

        /* Filter toolbar */
        .filter-toolbar {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: 0 2px 8px rgba(20,32,28,0.04);
            margin-bottom: 32px;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-soft);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-btn {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .filter-btn:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
        }

        .filter-btn.active {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            border-color: transparent;
        }

        .filter-select {
            padding: 8px 32px 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-soft);
            background: var(--bg-warm);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234A4A4A' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            cursor: pointer;
            font-family: var(--font-sans);
        }

        /* Tool list cards */
        .tool-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .tool-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

        .tool-card:hover {
            border-color: var(--brand-copper);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .tool-card-thumb {
            width: 120px;
            height: 120px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-card);
        }

        .tool-card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 8px;
        }

        .tool-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0;
            line-height: 1.4;
        }

        .tool-card-summary {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .tool-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .tool-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: var(--bg-card);
            color: var(--text-soft);
            white-space: nowrap;
        }

        .tool-tag.copper {
            background: rgba(200,135,58,0.12);
            color: var(--brand-muted);
        }

        .tool-tag.green {
            background: rgba(95,125,107,0.12);
            color: var(--brand-mist);
        }

        .tool-date {
            font-size: 13px;
            color: var(--text-faint);
            white-space: nowrap;
        }

        .load-more {
            text-align: center;
            margin-top: 32px;
        }

        .load-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            border: 1px solid var(--brand-copper);
            color: var(--brand-copper);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .load-more-link:hover {
            background: var(--brand-copper);
            color: #fff;
            box-shadow: 0 8px 20px rgba(200,135,58,0.25);
        }

        /* Data badges strip */
        .data-badges-strip {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 8px;
        }

        .data-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            box-shadow: var(--shadow-card);
            min-width: 180px;
            flex: 1 1 auto;
            max-width: 280px;
            transition: all 0.25s ease;
        }

        .data-badge:hover {
            border-color: var(--brand-copper);
            box-shadow: var(--shadow-card-hover);
        }

        .data-badge-number {
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }

        .data-badge-label {
            font-size: 13px;
            color: var(--text-faint);
            line-height: 1.4;
        }

        /* Scenario recommendation */
        .scenario-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .scenario-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

        .scenario-card:hover {
            border-color: var(--brand-copper);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .scenario-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0 0 12px;
            line-height: 1.7;
        }

        .scenario-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-copper);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color 0.2s ease;
        }

        .scenario-link:hover {
            color: var(--brand-muted);
        }

        /* Support explanation */
        .support-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .support-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-card);
        }

        .support-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0 0 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .support-item h3 i {
            color: var(--brand-copper);
            font-size: 18px;
        }

        .support-item p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.7;
        }

        /* CTA section */
        .cta-panel {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-deep));
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            color: #F5F2EA;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-hero);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/aee613ed987acd42.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-panel-content {
            position: relative;
            z-index: 1;
        }

        .cta-panel h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .cta-panel p {
            font-size: 15px;
            color: rgba(245,242,234,0.85);
            margin: 0 0 24px;
            line-height: 1.7;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--brand-copper), var(--brand-amber));
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .cta-btn:hover {
            box-shadow: 0 12px 32px rgba(200,135,58,0.35);
            transform: translateY(-2px);
        }

        /* Subscribe bar */
        .subscribe-bar {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .subscribe-text h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0 0 4px;
        }

        .subscribe-text p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-input {
            padding: 12px 20px;
            border-radius: 999px;
            border: 1px solid var(--border-light);
            font-size: 14px;
            background: #fff;
            min-width: 240px;
            font-family: var(--font-sans);
            color: var(--text-dark);
            transition: border-color 0.2s ease;
        }

        .subscribe-input:focus {
            border-color: var(--brand-copper);
        }

        .subscribe-btn {
            padding: 12px 24px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.25s ease;
        }

        .subscribe-btn:hover {
            box-shadow: 0 8px 20px rgba(200,135,58,0.25);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: var(--brand-deep);
            color: #F5F2EA;
            padding: 56px 0 32px;
            margin-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(245,242,234,0.12);
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #F5F2EA;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(245,242,234,0.7);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #F5F2EA;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(245,242,234,0.7);
            padding: 6px 0;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(245,242,234,0.6);
        }

        .footer-bottom a {
            color: rgba(245,242,234,0.7);
            transition: color 0.2s ease;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 18px;
            }

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

            .tool-card {
                flex-direction: column;
            }

            .tool-card-thumb {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .category-header h1 {
                font-size: 26px;
            }

            .nav-desktop {
                display: none;
            }

            .nav-mobile-toggle {
                display: block;
            }

            .progress-steps-inner {
                gap: 12px;
            }

            .progress-step {
                font-size: 12px;
            }

            .step-dot {
                width: 20px;
                height: 20px;
                font-size: 11px;
            }

            .filter-toolbar {
                padding: 16px;
                gap: 12px;
            }

            .tool-card {
                padding: 16px;
            }

            .tool-card-title {
                font-size: 16px;
            }

            .data-badge {
                min-width: 140px;
                padding: 14px 16px;
            }

            .data-badge-number {
                font-size: 26px;
            }

            .cta-panel {
                padding: 32px 24px;
            }

            .cta-panel h2 {
                font-size: 22px;
            }

            .subscribe-bar {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
            }

            .logo {
                font-size: 18px;
            }

            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 13px;
                border-radius: 8px;
            }

            .category-header h1 {
                font-size: 22px;
            }

            .filter-btn {
                padding: 6px 12px;
                font-size: 12px;
            }

            .filter-select {
                padding: 6px 24px 6px 12px;
                font-size: 12px;
            }

            .tool-card-thumb {
                height: 140px;
            }

            .scenario-cards {
                grid-template-columns: 1fr;
            }

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

            .subscribe-input {
                min-width: 100%;
            }

            .subscribe-btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --brand-deep: #14201C;
            --brand-green: #1E3A2F;
            --brand-copper: #C8873A;
            --brand-amber: #E5A94D;
            --brand-mist: #5F7D6B;
            --brand-muted: #A86F2E;
            --bg-warm: #F7F5F0;
            --bg-card: #EFEDE7;
            --text-dark: #1C1C1C;
            --text-soft: #4A4A4A;
            --text-faint: #7D7D7D;
            --border-light: #E5E1D8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(20, 32, 28, 0.06), 0 2px 8px rgba(20, 32, 28, 0.12);
            --shadow-card-hover: 0 16px 40px rgba(20, 32, 28, 0.10), 0 4px 16px rgba(20, 32, 28, 0.16);
            --shadow-hero: 0 24px 80px rgba(20, 32, 28, 0.16), 0 8px 32px rgba(200, 135, 58, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .container-narrow {
            max-width: 960px;
        }

        .section {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .section-tight {
            padding-top: 36px;
            padding-bottom: 36px;
        }

        .section-alt {
            background: #EDEAE3;
        }

        .section-deep {
            background: var(--brand-deep);
            color: #F5F2EA;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo {
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: var(--brand-deep);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 26px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-soft);
            position: relative;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--brand-copper);
            border-bottom-color: var(--brand-copper);
        }

        .nav-mobile-toggle {
            display: none;
            font-size: 22px;
            color: var(--brand-deep);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 12px 20px 20px;
        }

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

        .mobile-menu a {
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid #f0ede7;
            color: var(--text-dark);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

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

        /* Progress steps nav */
        .progress-steps {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
        }

        .progress-steps-inner {
            display: flex;
            align-items: center;
            gap: 32px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }

        .progress-step {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            white-space: nowrap;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        .progress-step:hover {
            color: var(--brand-copper);
            border-bottom-color: var(--brand-copper);
        }

        .step-dot {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-warm);
            border: 2px solid var(--brand-copper);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            color: var(--brand-copper);
            flex-shrink: 0;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .progress-step:hover .step-dot {
            background: var(--brand-copper);
            color: #fff;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-faint);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-soft);
            transition: color 0.2s ease;
        }

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

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

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

        /* Category page hero */
        .category-hero {
            padding-top: 40px;
            padding-bottom: 40px;
            background: linear-gradient(135deg, rgba(30, 58, 47, 0.06) 0%, rgba(200, 135, 58, 0.05) 100%);
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/dab0ff0ecf7c0c80.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            z-index: 0;
        }

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

        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0 0 12px;
            letter-spacing: 0.01em;
            line-height: 1.35;
        }

        .category-hero-desc {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 720px;
            margin: 0;
            line-height: 1.8;
        }

        .category-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .category-hero-tags .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(200, 135, 58, 0.12);
            color: var(--brand-muted);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.01em;
        }

        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-top: 24px;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            background: #fff;
            border: 1px solid var(--border-light);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
        }

        .filter-btn.active {
            background: var(--brand-green);
            color: #fff;
            border-color: var(--brand-green);
        }

        .filter-select-wrap {
            position: relative;
        }

        .filter-select {
            padding: 6px 32px 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            border: 1px solid var(--border-light);
            background: #fff;
            color: var(--text-soft);
            appearance: none;
            -webkit-appearance: none;
            font-family: var(--font-sans);
            cursor: pointer;
            transition: border-color 0.2s ease;
        }

        .filter-select:hover {
            border-color: var(--brand-copper);
        }

        .filter-select-wrap::after {
            content: "\f107";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
            font-size: 12px;
            color: var(--text-faint);
        }

        /* List cards */
        .access-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 20px;
            margin-top: 32px;
        }

        .access-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

        .access-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(200, 135, 58, 0.5);
        }

        .access-card-img {
            height: 160px;
            overflow: hidden;
            background: var(--bg-card);
            position: relative;
        }

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

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

        .access-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .access-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.5;
            margin: 0;
        }

        .access-card-desc {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .access-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .access-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(30, 58, 47, 0.08);
            color: var(--brand-green);
        }

        .access-date {
            font-size: 12px;
            color: var(--text-faint);
        }

        .access-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-copper);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s ease;
        }

        .access-card-link:hover {
            color: var(--brand-muted);
        }

        /* See more link */
        .see-more-wrap {
            text-align: center;
            margin-top: 28px;
        }

        .see-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-green);
            border: 1.5px solid var(--brand-green);
            transition: all 0.2s ease;
        }

        .see-more-link:hover {
            background: var(--brand-green);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        /* Data badges band */
        .data-badges-band {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin-top: 28px;
        }

        .data-badge-item {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(200, 135, 58, 0.35);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .data-badge-value {
            font-size: 28px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--brand-amber), var(--brand-copper));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--brand-copper);
            line-height: 1.3;
        }

        .data-badge-label {
            font-size: 13px;
            color: var(--brand-mist);
            margin-top: 4px;
            font-weight: 500;
        }

        /* Related topics */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 18px;
            margin-top: 24px;
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
        }

        .related-card:hover {
            box-shadow: var(--shadow-card);
            border-color: rgba(200, 135, 58, 0.4);
            transform: translateY(-2px);
        }

        .related-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(30, 58, 47, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 17px;
            flex-shrink: 0;
        }

        .related-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 6px;
        }

        .related-info p {
            font-size: 13px;
            color: var(--text-faint);
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            margin-top: 24px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item:hover {
            border-color: rgba(200, 135, 58, 0.4);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            background: none;
            transition: color 0.2s ease;
        }

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

        .faq-question .fa-chevron-down {
            font-size: 14px;
            color: var(--text-faint);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--brand-copper);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
            margin: 0;
        }

        /* CTA band */
        .cta-band {
            background: linear-gradient(135deg, var(--brand-green) 0%, var(--brand-deep) 60%, #1a2a24 100%);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            color: #F5F2EA;
            box-shadow: var(--shadow-card-hover);
        }

        .cta-band-info h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .cta-band-info p {
            font-size: 14px;
            color: rgba(245, 242, 234, 0.75);
            margin: 0;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--brand-copper), var(--brand-amber));
            transition: all 0.2s ease;
            white-space: nowrap;
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 135, 58, 0.35);
            filter: brightness(1.05);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            background: #fff;
            border: 1.5px solid var(--brand-green);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
            background: #fff;
        }

        /* Subscribe band */
        .subscribe-band {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .subscribe-info {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .subscribe-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(200, 135, 58, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-copper);
            font-size: 18px;
            flex-shrink: 0;
        }

        .subscribe-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--text-dark);
        }

        .subscribe-info p {
            font-size: 13px;
            color: var(--text-faint);
            margin: 0;
        }

        /* Fixed bottom CTA */
        .fixed-cta {
            position: fixed;
            bottom: 16px;
            right: 16px;
            z-index: 40;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            box-shadow: var(--shadow-card-hover);
            display: flex;
            align-items: center;
            gap: 12px;
            max-width: 380px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .fixed-cta.hidden {
            transform: translateY(120%);
            opacity: 0;
            pointer-events: none;
        }

        .fixed-cta-text {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.5;
        }

        .fixed-cta-close {
            font-size: 16px;
            color: var(--text-faint);
            padding: 4px;
            border-radius: 6px;
            transition: color 0.2s ease;
            flex-shrink: 0;
        }

        .fixed-cta-close:hover {
            color: var(--brand-copper);
        }

        /* Footer */
        .site-footer {
            background: var(--brand-deep);
            color: #F5F2EA;
            padding-top: 56px;
            padding-bottom: 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(245, 242, 234, 0.7);
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-amber);
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(245, 242, 234, 0.75);
            padding: 5px 0;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(245, 242, 234, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            font-size: 13px;
            color: rgba(245, 242, 234, 0.55);
        }

        .footer-bottom a {
            color: rgba(245, 242, 234, 0.65);
            transition: color 0.2s ease;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .access-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-mobile-toggle {
                display: block;
            }
            .progress-steps-inner {
                gap: 20px;
            }
            .category-hero h1 {
                font-size: 25px;
            }
            .category-hero-desc {
                font-size: 14px;
            }
            .access-grid {
                grid-template-columns: 1fr;
            }
            .access-card {
                flex-direction: column;
            }
            .access-card-img {
                height: 160px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-group {
                justify-content: center;
            }
            .filter-select-wrap {
                width: 100%;
            }
            .filter-select {
                width: 100%;
                padding: 8px 32px 8px 14px;
            }
            .cta-band {
                flex-direction: column;
                text-align: center;
                align-items: stretch;
            }
            .cta-band .btn-primary,
            .cta-band .btn-secondary {
                justify-content: center;
                width: 100%;
            }
            .data-badges-band {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .fixed-cta {
                left: 16px;
                right: 16px;
                max-width: none;
                bottom: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                height: 58px;
            }
            .logo {
                font-size: 19px;
            }
            .category-hero {
                padding-top: 28px;
                padding-bottom: 28px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .access-card-img {
                height: 140px;
            }
            .access-card-body {
                padding: 14px 16px 16px;
            }
            .access-card-title {
                font-size: 15px;
            }
            .data-badge-value {
                font-size: 22px;
            }
            .data-badge-label {
                font-size: 11px;
            }
            .fixed-cta {
                padding: 10px 14px;
            }
            .section {
                padding-top: 32px;
                padding-bottom: 32px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-deep: #14201C;
            --brand-green: #1E3A2F;
            --brand-copper: #C8873A;
            --brand-amber: #E5A94D;
            --brand-mist: #5F7D6B;
            --brand-muted: #A86F2E;
            --bg-warm: #F7F5F0;
            --bg-card: #EFEDE7;
            --text-dark: #1C1C1C;
            --text-soft: #4A4A4A;
            --text-faint: #7D7D7D;
            --border-light: #E5E1D8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(20, 32, 28, 0.06), 0 2px 8px rgba(20, 32, 28, 0.12);
            --shadow-card-hover: 0 16px 40px rgba(20, 32, 28, 0.10), 0 4px 16px rgba(20, 32, 28, 0.16);
            --shadow-hero: 0 24px 80px rgba(20, 32, 28, 0.16), 0 8px 32px rgba(200, 135, 58, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .section-alt {
            background: #EDEAE3;
        }

        .section-deep {
            background: var(--brand-deep);
            color: #F5F2EA;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo {
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: var(--brand-deep);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .nav-desktop {
            display: none;
            align-items: center;
            gap: 28px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-soft);
            position: relative;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--brand-copper);
            border-bottom-color: var(--brand-copper);
        }

        .nav-mobile-toggle {
            display: block;
            font-size: 22px;
            color: var(--brand-deep);
            padding: 8px;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 12px 20px 20px;
        }

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

        .mobile-menu a {
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid #f0ede7;
            color: var(--text-dark);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

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

        /* Progress steps nav */
        .progress-steps {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .progress-steps-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            min-width: max-content;
            padding-left: 20px;
            padding-right: 20px;
        }

        .progress-step {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            padding: 6px 12px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border-light);
            white-space: nowrap;
        }

        .progress-step:hover {
            color: var(--brand-copper);
            border-color: var(--brand-copper);
        }

        .progress-step .step-dot {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: transparent;
            padding: 16px 0 0;
        }

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

        .breadcrumb-nav a {
            color: var(--text-faint);
        }

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

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

        /* Category Hero */
        .category-hero {
            position: relative;
            padding: 48px 0 56px;
            background: radial-gradient(ellipse at 50% 10%, rgba(30, 58, 47, 0.85), rgba(20, 32, 28, 0.97));
            color: #F5F2EA;
            overflow: hidden;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/aee613ed987acd42.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .category-hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
        }

        .category-hero h1 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 12px;
            color: #fff;
        }

        .category-hero p {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(245, 242, 234, 0.85);
            margin: 0;
        }

        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-top: 24px;
        }

        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .filter-btn {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            background: var(--bg-card);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .filter-btn:hover {
            color: var(--brand-copper);
            border-color: var(--brand-copper);
        }

        .filter-btn.active {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
        }

        .filter-select {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 14px;
            color: var(--text-soft);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            font-family: inherit;
            cursor: pointer;
        }

        /* Scene cards */
        .scene-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 28px;
        }

        .scene-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

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

        .scene-card-thumb {
            width: 100%;
            height: 180px;
            overflow: hidden;
            border-radius: 0;
            flex-shrink: 0;
        }

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

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

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

        .scene-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }

        .scene-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(30, 58, 47, 0.08);
            color: var(--brand-green);
        }

        .scene-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .scene-card-body p {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.65;
            margin: 0 0 14px;
            flex: 1;
        }

        .scene-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-faint);
            border-top: 1px solid #f0ede7;
            padding-top: 12px;
        }

        .scene-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* View more */
        .view-more-row {
            margin-top: 28px;
            text-align: center;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-deep);
            border: 2px solid var(--brand-deep);
            background: transparent;
            transition: all 0.2s ease;
        }

        .btn-outline:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
            background: rgba(200, 135, 58, 0.05);
            transform: translateY(-2px);
        }

        /* Data badges */
        .data-badge-band {
            background: linear-gradient(135deg, var(--brand-deep), var(--brand-green));
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .data-badge-item {
            text-align: center;
            color: #F5F2EA;
        }

        .data-badge-number {
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--brand-amber), var(--brand-copper));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }

        .data-badge-label {
            font-size: 14px;
            color: rgba(245, 242, 234, 0.8);
            margin-top: 4px;
        }

        /* Recommended topics */
        .topic-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 24px;
        }

        .topic-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        .topic-card-thumb {
            width: 100%;
            height: 140px;
            overflow: hidden;
        }

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

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

        .topic-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--text-dark);
        }

        .topic-card-body p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 24px auto 0;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            background: #fff;
        }

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

        .faq-question i {
            color: var(--brand-copper);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            display: none;
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA band */
        .cta-band {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            color: #fff;
        }

        .cta-band h2 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 10px;
            color: #fff;
        }

        .cta-band p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-deep);
            background: #fff;
            border: 2px solid transparent;
            transition: all 0.25s ease;
        }

        .btn-cta:hover {
            background: var(--brand-amber);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
        }

        /* Subscribe resource bar */
        .resource-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
        }

        .resource-bar-text {
            font-size: 15px;
            color: var(--text-soft);
        }

        .resource-bar-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-resource {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--brand-deep);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: all 0.2s ease;
        }

        .btn-resource:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
        }

        /* Fixed CTA bar */
        .fixed-cta-bar {
            position: fixed;
            bottom: 16px;
            right: 16px;
            z-index: 40;
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--brand-deep);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 14px 20px;
            box-shadow: 0 16px 40px rgba(20, 32, 28, 0.3);
            max-width: 380px;
        }

        .fixed-cta-bar p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            line-height: 1.4;
        }

        .btn-fixed-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-deep);
            background: linear-gradient(135deg, var(--brand-amber), var(--brand-copper));
            white-space: nowrap;
            transition: all 0.25s ease;
        }

        .btn-fixed-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 135, 58, 0.4);
        }

        .fixed-cta-close {
            color: rgba(255, 255, 255, 0.6);
            font-size: 16px;
            padding: 4px;
            flex-shrink: 0;
        }

        .fixed-cta-close:hover {
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: var(--brand-deep);
            color: #F5F2EA;
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(245, 242, 234, 0.7);
            line-height: 1.7;
            margin: 0;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(245, 242, 234, 0.7);
            padding: 5px 0;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(245, 242, 234, 0.55);
        }

        .footer-bottom a {
            color: rgba(245, 242, 234, 0.55);
        }

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

        /* Section titles */
        .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-soft);
            margin: 0 0 24px;
            line-height: 1.7;
            max-width: 640px;
        }

        /* Responsive */
        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }

            .section {
                padding-top: 72px;
                padding-bottom: 72px;
            }

            .nav-desktop {
                display: flex;
            }

            .nav-mobile-toggle {
                display: none;
            }

            .mobile-menu {
                display: none !important;
            }

            .category-hero h1 {
                font-size: 36px;
            }

            .scene-list {
                grid-template-columns: 1fr 1fr;
            }

            .scene-card {
                flex-direction: column;
            }

            .scene-card-thumb {
                height: 160px;
            }

            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .data-badge-band {
                grid-template-columns: repeat(4, 1fr);
                padding: 44px 36px;
            }

            .data-badge-number {
                font-size: 38px;
            }

            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 24px;
            }

            .cta-band {
                padding: 52px 40px;
            }

            .cta-band h2 {
                font-size: 28px;
            }

            .section-title {
                font-size: 28px;
            }
        }

        @media (min-width: 1024px) {
            .scene-card {
                flex-direction: row;
                align-items: stretch;
            }

            .scene-card-thumb {
                width: 220px;
                height: auto;
                min-height: 100%;
            }

            .fixed-cta-bar {
                bottom: 24px;
                right: 24px;
            }
        }

        @media (max-width: 520px) {
            .fixed-cta-bar {
                left: 10px;
                right: 10px;
                bottom: 10px;
                max-width: none;
                flex-wrap: wrap;
                border-radius: var(--radius-sm);
                padding: 12px 14px;
            }

            .fixed-cta-bar p {
                flex: 1;
                font-size: 12px;
            }

            .btn-fixed-cta {
                padding: 8px 16px;
                font-size: 13px;
            }

            .data-badge-number {
                font-size: 24px;
            }

            .category-hero {
                padding: 32px 0 40px;
                border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            }

            .category-hero h1 {
                font-size: 22px;
            }

            .filter-toolbar {
                padding: 12px 14px;
                border-radius: var(--radius-sm);
            }

            .filter-btn {
                padding: 6px 12px;
                font-size: 12px;
            }

            .scene-card-body {
                padding: 16px 18px 18px;
            }

            .scene-card-thumb {
                height: 140px;
            }
        }

/* roulang page: category4 */
:root {
            --brand-deep: #14201C;
            --brand-green: #1E3A2F;
            --brand-copper: #C8873A;
            --brand-amber: #E5A94D;
            --brand-mist: #5F7D6B;
            --brand-muted: #A86F2E;
            --bg-warm: #F7F5F0;
            --bg-card: #EFEDE7;
            --text-dark: #1C1C1C;
            --text-soft: #4A4A4A;
            --text-faint: #7D7D7D;
            --border-light: #E5E1D8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(20, 32, 28, 0.06), 0 2px 8px rgba(20, 32, 28, 0.12);
            --shadow-card-hover: 0 16px 40px rgba(20, 32, 28, 0.10), 0 4px 16px rgba(20, 32, 28, 0.16);
            --shadow-hero: 0 24px 80px rgba(20, 32, 28, 0.16), 0 8px 32px rgba(200, 135, 58, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, background-color 0.25s ease;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section {
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .section-tight {
            padding-top: 36px;
            padding-bottom: 36px;
        }

        .section-alt {
            background: #EDEAE3;
        }

        .section-deep {
            background: var(--brand-deep);
            color: #F5F2EA;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo {
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: var(--brand-deep);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 26px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-soft);
            position: relative;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            white-space: nowrap;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--brand-copper);
            border-bottom-color: var(--brand-copper);
        }

        .nav-mobile-toggle {
            display: none;
            font-size: 22px;
            color: var(--brand-deep);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 12px 20px 20px;
        }

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

        .mobile-menu a {
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid #f0ede7;
            color: var(--text-dark);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

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

        /* Progress steps nav */
        .progress-steps {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
        }

        .progress-steps-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .progress-steps-inner::-webkit-scrollbar {
            display: none;
        }

        .progress-step {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            padding: 6px 14px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border-light);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all 0.25s ease;
        }

        .progress-step:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
            box-shadow: 0 2px 10px rgba(200, 135, 58, 0.15);
        }

        .progress-step .step-dot {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            font-size: 11px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-faint);
            flex-wrap: wrap;
            padding: 20px 0 0;
        }

        .breadcrumb a {
            color: var(--text-soft);
        }

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

        .breadcrumb .separator {
            color: var(--text-faint);
            font-size: 12px;
        }

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

        /* Page intro */
        .page-intro {
            padding-top: 24px;
            padding-bottom: 32px;
        }

        .page-intro h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0 0 14px;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .page-intro p {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 780px;
            margin: 0;
            line-height: 1.8;
        }

        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: 0 2px 8px rgba(20, 32, 28, 0.04);
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-faint);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-toolbar select {
            font-family: inherit;
            font-size: 14px;
            color: var(--text-dark);
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 8px 32px 8px 12px;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234A4A4A' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            transition: border-color 0.2s ease;
        }

        .filter-toolbar select:focus {
            border-color: var(--brand-copper);
            outline: none;
        }

        /* Update list */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .update-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .update-card:hover {
            border-color: var(--brand-copper);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .update-card-thumb {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-card);
        }

        .update-card-body {
            flex: 1;
            min-width: 0;
        }

        .update-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-deep);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .update-card-summary {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0 0 12px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .update-card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .update-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 999px;
            background: var(--bg-card);
            color: var(--text-soft);
            border: 1px solid transparent;
        }

        .update-tag.copper {
            background: rgba(200, 135, 58, 0.1);
            color: var(--brand-muted);
            border-color: rgba(200, 135, 58, 0.2);
        }

        .update-tag.green {
            background: rgba(30, 58, 47, 0.08);
            color: var(--brand-green);
            border-color: rgba(30, 58, 47, 0.15);
        }

        .update-date {
            font-size: 13px;
            color: var(--text-faint);
            white-space: nowrap;
        }

        /* View more */
        .view-more-wrap {
            text-align: center;
            padding-top: 8px;
        }

        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-copper);
            padding: 12px 28px;
            border: 1px solid var(--brand-copper);
            border-radius: 999px;
            background: #fff;
            transition: all 0.25s ease;
        }

        .view-more-link:hover {
            background: var(--brand-copper);
            color: #fff;
            box-shadow: 0 8px 24px rgba(200, 135, 58, 0.25);
            transform: translateY(-2px);
        }

        /* Stats band */
        .stats-band {
            background: var(--brand-deep);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            box-shadow: var(--shadow-hero);
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            display: block;
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--brand-amber), var(--brand-copper));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .stat-label {
            display: block;
            font-size: 13px;
            color: rgba(245, 242, 234, 0.75);
            margin-top: 6px;
            font-weight: 500;
        }

        /* Related topics */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

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

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 16px 18px 18px;
        }

        .related-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-deep);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .related-card-body p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0 0 12px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-copper);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-link:hover {
            color: var(--brand-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(20, 32, 28, 0.04);
            transition: border-color 0.25s ease;
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            list-style: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 13px;
            color: var(--brand-copper);
            flex-shrink: 0;
            transition: transform 0.25s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.8;
            max-width: 720px;
        }

        /* CTA band */
        .cta-band {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-deep));
            border-radius: var(--radius-lg);
            padding: 44px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            box-shadow: var(--shadow-hero);
            flex-wrap: wrap;
        }

        .cta-band-content h2 {
            font-size: 22px;
            font-weight: 700;
            color: #F5F2EA;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .cta-band-content p {
            font-size: 15px;
            color: rgba(245, 242, 234, 0.8);
            margin: 0;
            max-width: 480px;
            line-height: 1.7;
        }

        .cta-band-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--brand-copper), var(--brand-amber));
            padding: 14px 32px;
            border-radius: 999px;
            white-space: nowrap;
            transition: all 0.3s ease;
            box-shadow: 0 8px 24px rgba(200, 135, 58, 0.35);
        }

        .cta-band-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(200, 135, 58, 0.45);
            background: linear-gradient(135deg, #d49444, #efb35c);
        }

        /* Resource / subscribe strip */
        .resource-strip {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: 0 2px 12px rgba(20, 32, 28, 0.05);
        }

        .resource-strip-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .resource-strip-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .resource-strip-text h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-deep);
            margin: 0 0 4px;
        }

        .resource-strip-text p {
            font-size: 13px;
            color: var(--text-faint);
            margin: 0;
        }

        .resource-strip-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .resource-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 10px 18px;
            border-radius: 999px;
            background: var(--bg-card);
            color: var(--text-dark);
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .resource-btn:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
            box-shadow: 0 2px 10px rgba(200, 135, 58, 0.12);
        }

        .resource-btn.primary {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            border: none;
        }

        .resource-btn.primary:hover {
            box-shadow: 0 6px 20px rgba(200, 135, 58, 0.35);
            color: #fff;
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: var(--brand-deep);
            color: #D5D0C5;
            padding: 56px 0 28px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 700;
            color: #F5F2EA;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(213, 208, 197, 0.75);
            line-height: 1.8;
            max-width: 320px;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #F5F2EA;
            margin: 0 0 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(213, 208, 197, 0.75);
            padding: 5px 0;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(213, 208, 197, 0.6);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom a {
            color: rgba(213, 208, 197, 0.75);
            transition: color 0.2s ease;
        }

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

        /* H2 section title */
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0 0 10px;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-soft);
            margin: 0;
            max-width: 680px;
            line-height: 1.7;
        }

        .section-head {
            margin-bottom: 28px;
        }

        /* Responsive */
        @media (min-width: 769px) and (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .nav-desktop {
                gap: 18px;
            }

            .nav-desktop a {
                font-size: 14px;
            }

            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 28px 24px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .section-tight {
                padding-top: 28px;
                padding-bottom: 28px;
            }

            .header-inner {
                height: 56px;
                gap: 12px;
            }

            .logo {
                font-size: 18px;
                gap: 6px;
            }

            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 13px;
                border-radius: 8px;
            }

            .nav-desktop {
                display: none;
            }

            .nav-mobile-toggle {
                display: block;
                font-size: 20px;
            }

            .page-intro h1 {
                font-size: 25px;
                line-height: 1.35;
            }

            .page-intro p {
                font-size: 15px;
            }

            .filter-toolbar {
                padding: 12px 14px;
                gap: 8px;
            }

            .filter-toolbar select {
                font-size: 13px;
                padding: 7px 28px 7px 10px;
                background-position: right 8px center;
            }

            .update-card {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }

            .update-card-thumb {
                width: 100%;
                height: 140px;
                border-radius: var(--radius-sm);
            }

            .update-card-title {
                font-size: 16px;
            }

            .update-card-summary {
                font-size: 13px;
                -webkit-line-clamp: 3;
            }

            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }

            .stat-number {
                font-size: 26px;
            }

            .stat-label {
                font-size: 12px;
            }

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

            .related-card img {
                height: 140px;
            }

            .cta-band {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
                border-radius: var(--radius-md);
                gap: 18px;
            }

            .cta-band-content h2 {
                font-size: 19px;
            }

            .cta-band-content p {
                font-size: 14px;
            }

            .cta-band-btn {
                font-size: 14px;
                padding: 12px 26px;
            }

            .resource-strip {
                flex-direction: column;
                text-align: center;
                padding: 20px 16px;
            }

            .resource-strip-left {
                flex-direction: column;
                text-align: center;
            }

            .resource-strip-actions {
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 24px;
            }

            .footer-desc {
                max-width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
                font-size: 12px;
            }

            .footer-bottom span {
                white-space: normal;
            }

            .section-title {
                font-size: 20px;
            }

            .breadcrumb {
                font-size: 13px;
                gap: 5px;
                padding-top: 12px;
            }

            .faq-item summary {
                padding: 15px 16px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 16px 15px;
                font-size: 13px;
            }

            .view-more-link {
                font-size: 14px;
                padding: 10px 22px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .page-intro h1 {
                font-size: 22px;
            }

            .stats-band {
                gap: 14px;
                padding: 18px 12px;
            }

            .stat-number {
                font-size: 22px;
            }

            .stat-label {
                font-size: 11px;
            }

            .progress-steps-inner {
                gap: 6px;
            }

            .progress-step {
                font-size: 12px;
                padding: 5px 10px;
                gap: 5px;
            }

            .progress-step .step-dot {
                width: 18px;
                height: 18px;
                font-size: 10px;
            }

            .update-card-thumb {
                height: 120px;
            }

            .related-card img {
                height: 120px;
            }
        }

/* roulang page: category5 */
:root {
            --brand-deep: #14201C;
            --brand-green: #1E3A2F;
            --brand-copper: #C8873A;
            --brand-amber: #E5A94D;
            --brand-mist: #5F7D6B;
            --brand-muted: #A86F2E;
            --bg-warm: #F7F5F0;
            --bg-card: #EFEDE7;
            --text-dark: #1C1C1C;
            --text-soft: #4A4A4A;
            --text-faint: #7D7D7D;
            --border-light: #E5E1D8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(20,32,28,0.06), 0 2px 8px rgba(20,32,28,0.12);
            --shadow-card-hover: 0 16px 40px rgba(20,32,28,0.10), 0 4px 16px rgba(20,32,28,0.16);
            --shadow-hero: 0 24px 80px rgba(20,32,28,0.16), 0 8px 32px rgba(200,135,58,0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-warm);
            color: var(--text-dark);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--brand-copper);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .section {
            padding-top: 72px;
            padding-bottom: 72px;
        }
        .section-tight {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .section-alt {
            background: #EDEAE3;
        }
        .section-deep {
            background: var(--brand-deep);
            color: #F5F2EA;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(247,245,240,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .logo {
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: var(--brand-deep);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-soft);
            position: relative;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            white-space: nowrap;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--brand-copper);
            border-bottom-color: var(--brand-copper);
        }
        .nav-mobile-toggle {
            display: none;
            font-size: 22px;
            color: var(--brand-deep);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 12px 20px 20px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid #f0ede7;
            color: var(--text-dark);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .progress-steps {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
            overflow-x: auto;
        }
        .progress-steps-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .progress-step {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            transition: color 0.2s ease;
        }
        .progress-step:hover {
            color: var(--brand-copper);
        }
        .step-dot {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--border-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-soft);
            flex-shrink: 0;
            transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
        }
        .progress-step:hover .step-dot {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            transform: scale(1.05);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-faint);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--brand-muted);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--brand-copper);
        }
        .breadcrumb .separator {
            color: var(--text-faint);
            font-size: 12px;
        }
        .category-h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1.3;
            margin: 0 0 12px 0;
            letter-spacing: 0.01em;
        }
        .category-intro {
            font-size: 16px;
            color: var(--text-soft);
            line-height: 1.8;
            max-width: 800px;
            margin: 0;
        }
        .filter-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 16px 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: 0 2px 8px rgba(20,32,28,0.04);
        }
        .filter-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-tag {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-card);
            color: var(--text-soft);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
        }
        .filter-tag.active {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
            border-color: transparent;
        }
        .sort-select {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-soft);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 8px 16px;
            cursor: pointer;
            transition: border-color 0.2s ease;
        }
        .sort-select:hover {
            border-color: var(--brand-copper);
        }
        .sort-select select {
            background: transparent;
            border: none;
            font-family: inherit;
            font-size: 14px;
            color: var(--text-soft);
            cursor: pointer;
            outline: none;
        }
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .guide-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
            cursor: pointer;
        }
        .guide-card:hover {
            border-color: var(--brand-copper);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .guide-thumb {
            width: 120px;
            height: 96px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-card);
        }
        .guide-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .guide-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }
        .guide-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-deep);
            margin: 0;
            line-height: 1.4;
        }
        .guide-summary {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: auto;
        }
        .guide-tag {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            background: #F0EBE0;
            color: var(--brand-muted);
            font-weight: 500;
        }
        .guide-date {
            font-size: 12px;
            color: var(--text-faint);
        }
        .guide-type {
            font-size: 12px;
            color: var(--brand-mist);
            font-weight: 500;
        }
        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-copper);
            padding: 12px 0;
            transition: gap 0.2s ease, color 0.2s ease;
        }
        .view-more-link:hover {
            gap: 12px;
            color: var(--brand-muted);
        }
        .stat-badge-strip {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: flex-start;
        }
        .stat-badge {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 14px 22px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 2px 8px rgba(20,32,28,0.04);
            flex-shrink: 0;
        }
        .stat-badge .stat-num {
            font-size: 24px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }
        .stat-badge .stat-label {
            font-size: 13px;
            color: var(--text-soft);
            font-weight: 500;
        }
        .topic-card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .topic-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .topic-card:hover {
            border-color: var(--brand-copper);
            box-shadow: var(--shadow-card-hover);
        }
        .topic-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .topic-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-deep);
            margin: 0 0 6px 0;
        }
        .topic-card p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.7;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(20,32,28,0.04);
        }
        .faq-question {
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-deep);
            transition: color 0.2s ease;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--brand-copper);
        }
        .faq-question .fa-chevron-down {
            font-size: 14px;
            color: var(--text-faint);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--brand-copper);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .cta-banner {
            background: linear-gradient(135deg, var(--brand-deep), var(--brand-green));
            color: #F5F2EA;
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-hero);
        }
        .cta-banner h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: #fff;
        }
        .cta-banner p {
            font-size: 15px;
            margin: 0;
            color: rgba(245,242,234,0.8);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--brand-green), var(--brand-copper));
            color: #fff;
        }
        .btn-primary:hover {
            opacity: 0.9;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200,135,58,0.3);
        }
        .btn-ghost-light {
            border: 1px solid rgba(245,242,234,0.4);
            color: #F5F2EA;
            background: transparent;
        }
        .btn-ghost-light:hover {
            border-color: var(--brand-amber);
            color: var(--brand-amber);
        }
        .btn-outline {
            border: 1px solid var(--brand-deep);
            color: var(--brand-deep);
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--brand-copper);
            color: var(--brand-copper);
        }
        .resource-bar {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .resource-bar .resource-text {
            font-size: 15px;
            color: var(--text-soft);
        }
        .resource-bar .resource-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .resource-bar .resource-links a {
            font-size: 14px;
            color: var(--brand-muted);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .resource-bar .resource-links a:hover {
            color: var(--brand-copper);
        }
        .site-footer {
            background: var(--brand-deep);
            color: rgba(245,242,234,0.8);
            padding-top: 56px;
            padding-bottom: 28px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(245,242,234,0.7);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px 0;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(245,242,234,0.7);
            padding: 5px 0;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--brand-amber);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(245,242,234,0.15);
            padding-top: 20px;
            font-size: 13px;
            color: rgba(245,242,234,0.55);
        }
        .footer-bottom a {
            color: rgba(245,242,234,0.7);
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--brand-amber);
        }
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .section {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .topic-card-grid {
                grid-template-columns: 1fr;
            }
            .nav-desktop {
                gap: 18px;
            }
            .nav-desktop a {
                font-size: 14px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .section-tight {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .nav-desktop {
                display: none;
            }
            .nav-mobile-toggle {
                display: block;
            }
            .header-inner {
                height: 60px;
            }
            .logo {
                font-size: 20px;
            }
            .progress-steps-inner {
                gap: 14px;
                font-size: 12px;
            }
            .category-h1 {
                font-size: 24px;
            }
            .cta-banner {
                padding: 28px 22px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner h2 {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .guide-card {
                flex-direction: column;
                gap: 14px;
                padding: 14px;
            }
            .guide-thumb {
                width: 100%;
                height: 140px;
            }
            .stat-badge-strip {
                gap: 10px;
            }
            .stat-badge {
                padding: 10px 16px;
                font-size: 12px;
            }
            .stat-badge .stat-num {
                font-size: 20px;
            }
            .filter-toolbar {
                padding: 12px 14px;
                flex-direction: column;
                align-items: flex-start;
            }
            .resource-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .category-h1 {
                font-size: 20px;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 12px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .stat-badge-strip {
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 8px;
            }
        }