/* roulang page: index */
:root {
            --bg: #17171B;
            --surface: #232329;
            --surface-2: #28282F;
            --primary: #E8890C;
            --primary-hover: #F59E0B;
            --text-main: #F5F0E6;
            --text-muted: #A8A29E;
            --border: #35353C;
            --ring: rgba(232, 137, 12, 0.35);
            --success: #2DD4BF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
            --shadow-md: 0 6px 16px rgba(0,0,0,0.5);
            --font-display: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-body: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible, input:focus-visible, a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        section {
            padding-top: 56px;
            padding-bottom: 56px;
        }
        @media (max-width: 768px) {
            section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }
        .card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            background: var(--surface-2);
            border-color: rgba(232, 137, 12, 0.6);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all 0.2s ease;
            border: none;
            text-decoration: none;
            line-height: 1.2;
        }
        .btn-primary {
            background: var(--primary);
            color: #1A1A1E;
            padding: 10px 22px;
            min-height: 40px;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #1A1A1E;
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-main);
            padding: 10px 22px;
            min-height: 40px;
        }
        .btn-secondary:hover {
            border-color: rgba(232, 137, 12, 0.5);
            color: var(--primary);
            background: rgba(232, 137, 12, 0.06);
        }
        .btn-sm {
            padding: 6px 14px;
            min-height: 32px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 32px;
            min-height: 48px;
            font-size: 16px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 20px;
            border: 1px solid rgba(232, 137, 12, 0.4);
            color: var(--primary);
            background: rgba(232, 137, 12, 0.08);
            white-space: nowrap;
        }
        .badge-success {
            border-color: rgba(45, 212, 191, 0.4);
            color: var(--success);
            background: rgba(45, 212, 191, 0.08);
        }
        .tag {
            display: inline-block;
            font-size: 12px;
            padding: 2px 10px;
            border-radius: var(--radius-sm);
            background: var(--surface-2);
            color: var(--primary);
            border: 1px solid rgba(232, 137, 12, 0.3);
        }
        .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
            flex-shrink: 0;
        }
        .divider-orange {
            height: 2px;
            width: 40px;
            background: var(--primary);
            border-radius: 1px;
            margin-bottom: 16px;
        }
        .orange-line-left {
            border-left: 3px solid var(--primary);
            padding-left: 16px;
        }
        /* Navigation */
        header.site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 50;
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 24px;
            height: 24px;
            background: var(--primary);
            border-radius: 4px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .logo-icon::after {
            content: '';
            width: 10px;
            height: 2px;
            background: #1A1A1E;
            position: absolute;
            transform: rotate(-45deg);
            border-radius: 1px;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }
        .logo-text span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-left: 16px;
            flex: 1;
        }
        .nav-links a {
            font-size: 14px;
            color: var(--text-muted);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease;
        }
        .nav-links a:hover {
            color: var(--text-main);
        }
        .nav-links a.active {
            color: var(--primary);
            border-bottom: 2px solid var(--primary);
            padding-bottom: 6px;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .status-indicator {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .notify-bell {
            position: relative;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: var(--surface-2);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all 0.2s ease;
            color: var(--text-muted);
        }
        .notify-bell:hover {
            color: var(--text-main);
            border-color: rgba(232, 137, 12, 0.4);
        }
        .notify-bell svg {
            width: 18px;
            height: 18px;
        }
        .notify-bell .badge-count {
            position: absolute;
            top: -4px;
            right: -4px;
            background: #EF4444;
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            color: var(--text-main);
        }
        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: currentColor;
            border-radius: 1px;
            transition: all 0.3s ease;
        }
        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--surface);
            z-index: 49;
            padding: 24px 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            padding: 14px 12px;
            font-size: 16px;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border);
            display: block;
            transition: all 0.2s ease;
        }
        .mobile-drawer a:hover {
            color: var(--text-main);
            background: var(--surface-2);
        }
        .mobile-drawer a.active {
            color: var(--primary);
            border-left: 3px solid var(--primary);
            padding-left: 9px;
        }
        @media (max-width: 1024px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .status-indicator {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .notify-bell {
                display: none;
            }
            .logo-text {
                font-size: 16px;
            }
            .header-right .btn {
                padding: 6px 12px;
                font-size: 12px;
                min-height: 32px;
            }
        }
        /* Hero */
        .hero-section {
            padding-top: 0;
            padding-bottom: 56px;
        }
        .hero-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
            min-height: 520px;
            display: flex;
            flex-direction: column;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(23,23,27,0.92) 0%, rgba(23,23,27,0.7) 55%, rgba(23,23,27,0.88) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 400px;
            gap: 48px;
            padding: 56px 48px;
            align-items: center;
            flex: 1;
        }
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 24px;
            }
        }
        .hero-left .badge {
            margin-bottom: 20px;
        }
        .hero-left h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .hero-left p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-form-card {
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
        }
        .hero-form-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .hero-form-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .hero-form-card .form-input {
            width: 100%;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 14px;
            transition: all 0.2s ease;
            margin-bottom: 12px;
        }
        .hero-form-card .form-input::placeholder {
            color: var(--text-muted);
        }
        .hero-form-card .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--ring);
        }
        .hero-form-card .btn {
            width: 100%;
        }
        /* Hero stats row */
        .hero-stats {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 32px;
            padding: 20px 48px;
            border-top: 1px solid var(--border);
            background: rgba(23,23,27,0.7);
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .hero-stats {
                padding: 16px 20px;
                gap: 16px;
            }
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        /* Pain cards */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
        }
        .pain-card {
            border-left: 3px solid var(--primary);
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            border-left: 3px solid var(--primary);
            padding: 18px 16px;
            transition: all 0.25s ease;
        }
        .pain-card:hover {
            background: var(--surface-2);
            border-color: rgba(232, 137, 12, 0.6);
            transform: translateY(-2px);
        }
        .pain-card .pain-number {
            font-size: 13px;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 6px;
        }
        .pain-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .pain-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }
        /* Solution */
        .solution-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 20px;
        }
        @media (max-width: 768px) {
            .solution-grid {
                grid-template-columns: 1fr;
            }
        }
        .solution-main {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            position: relative;
            overflow: hidden;
        }
        .solution-main .tag {
            position: absolute;
            top: 16px;
            right: 16px;
        }
        .solution-main h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .solution-main p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .solution-main .btn {
            align-self: flex-start;
        }
        .solution-sub {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .solution-sub-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px;
            transition: all 0.25s ease;
            flex: 1;
        }
        .solution-sub-item:hover {
            border-color: rgba(232, 137, 12, 0.6);
            background: var(--surface-2);
        }
        .solution-sub-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-main);
        }
        .solution-sub-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* Steps timeline */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            position: relative;
        }
        @media (max-width: 1024px) {
            .steps-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .step-item {
            position: relative;
            padding: 0 16px;
            text-align: center;
        }
        @media (max-width: 1024px) {
            .step-item {
                text-align: left;
                display: flex;
                gap: 14px;
                align-items: flex-start;
                padding: 0;
            }
        }
        .step-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--surface);
            border: 2px solid var(--primary);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            margin: 0 auto 12px;
            flex-shrink: 0;
            transition: all 0.25s ease;
        }
        .step-item:hover .step-circle {
            background: var(--primary);
            color: #1A1A1E;
        }
        .step-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-main);
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .step-connector {
            position: absolute;
            top: 24px;
            left: 50%;
            right: -50%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary) 0%, rgba(232,137,12,0.2) 100%);
            z-index: 0;
        }
        @media (max-width: 1024px) {
            .step-connector {
                display: none;
            }
        }
        /* Data cards */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 768px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .data-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            transition: all 0.25s ease;
        }
        .data-card:hover {
            border-color: rgba(232, 137, 12, 0.6);
            background: var(--surface-2);
        }
        .data-card .data-value {
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .data-card .data-unit {
            font-size: 14px;
            color: var(--text-main);
        }
        .data-card .data-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .data-card .data-note {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 8px;
            opacity: 0.7;
        }
        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all 0.25s ease;
        }
        .testimonial-card:hover {
            border-color: rgba(232, 137, 12, 0.5);
        }
        .testimonial-card .quote {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .testimonial-card .user {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .user-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--surface-2);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
        }
        .testimonial-card .user-info .name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .testimonial-card .user-info .role {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* Audience */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 768px) {
            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .audience-grid {
                grid-template-columns: 1fr;
            }
        }
        .audience-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px;
            text-align: center;
            transition: all 0.25s ease;
        }
        .audience-item:hover {
            border-color: rgba(232, 137, 12, 0.6);
            background: var(--surface-2);
        }
        .audience-item .icon {
            width: 36px;
            height: 36px;
            margin: 0 auto 10px;
            border-radius: 50%;
            background: rgba(232, 137, 12, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
        }
        .audience-item h4 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-main);
        }
        .audience-item p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.55;
        }
        /* News cards */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        .news-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.25s ease;
        }
        .news-card:hover {
            border-color: rgba(232, 137, 12, 0.6);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-card .news-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .news-card .news-body {
            padding: 16px;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-card h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
            line-height: 1.5;
        }
        .news-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* Metric bars */
        .metric-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .metric-item {
            display: grid;
            grid-template-columns: 120px 1fr 60px;
            align-items: center;
            gap: 16px;
        }
        @media (max-width: 520px) {
            .metric-item {
                grid-template-columns: 80px 1fr 50px;
                gap: 10px;
            }
        }
        .metric-item .metric-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .metric-item .metric-bar {
            height: 8px;
            background: var(--surface-2);
            border-radius: 4px;
            overflow: hidden;
        }
        .metric-item .metric-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 4px;
            transition: width 0.6s ease;
        }
        .metric-item .metric-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            text-align: right;
        }
        .metric-item .metric-note {
            font-size: 12px;
            color: var(--text-muted);
            grid-column: 2 / 4;
            margin-top: -12px;
        }
        /* CTA section */
        .cta-section {
            background: var(--surface-2);
            border: 1px solid rgba(232, 137, 12, 0.4);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .cta-section p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }
        .cta-section .cta-form {
            max-width: 480px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
        }
        @media (max-width: 520px) {
            .cta-section .cta-form {
                flex-direction: column;
            }
        }
        .cta-section .cta-input {
            flex: 1;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .cta-section .cta-input::placeholder {
            color: var(--text-muted);
        }
        .cta-section .cta-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--ring);
        }
        /* Topic cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }
        .topic-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.25s ease;
        }
        .topic-card:hover {
            border-color: rgba(232, 137, 12, 0.6);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .topic-card .topic-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .topic-card .topic-body {
            padding: 18px;
        }
        .topic-card h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .topic-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .topic-card .topic-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }
        /* Scene cards */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 768px) {
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
        }
        .scene-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px;
            text-align: center;
            transition: all 0.25s ease;
        }
        .scene-card:hover {
            border-color: rgba(232, 137, 12, 0.6);
            background: var(--surface-2);
        }
        .scene-card .scene-icon {
            width: 44px;
            height: 44px;
            margin: 0 auto 10px;
            border-radius: 50%;
            background: rgba(232, 137, 12, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }
        .scene-card h4 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-main);
        }
        .scene-card p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-list details {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            transition: all 0.2s ease;
            overflow: hidden;
        }
        .faq-list details:hover {
            border-color: rgba(232, 137, 12, 0.5);
        }
        .faq-list details[open] {
            border-color: rgba(232, 137, 12, 0.6);
            box-shadow: var(--shadow-sm);
        }
        .faq-list summary {
            list-style: none;
            cursor: pointer;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color 0.2s ease;
            -webkit-tap-highlight-color: transparent;
        }
        .faq-list summary::-webkit-details-marker {
            display: none;
        }
        .faq-list summary::after {
            content: '+';
            font-size: 20px;
            font-weight: 300;
            color: var(--primary);
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }
        .faq-list details[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-list details[open] summary {
            color: var(--primary);
        }
        .faq-list .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }
        /* Resource cards */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 768px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .resource-grid {
                grid-template-columns: 1fr;
            }
        }
        .resource-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px;
            transition: all 0.25s ease;
        }
        .resource-card:hover {
            border-color: rgba(232, 137, 12, 0.6);
            background: var(--surface-2);
        }
        .resource-card .icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(232, 137, 12, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            margin-bottom: 10px;
        }
        .resource-card h4 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-main);
        }
        .resource-card p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.55;
        }
        .resource-cta {
            margin-top: 24px;
            background: rgba(232, 137, 12, 0.08);
            border: 1px solid rgba(232, 137, 12, 0.3);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .resource-cta p {
            font-size: 14px;
            color: var(--text-main);
            font-weight: 500;
        }
        /* Footer */
        footer.site-footer {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 40px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer-brand .logo-text {
            font-size: 20px;
            margin-bottom: 8px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        /* List rows */
        .compact-list {
            display: flex;
            flex-direction: column;
        }
        .compact-list .list-item {
            padding: 12px 8px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 14px;
            color: var(--text-muted);
            transition: all 0.2s ease;
            cursor: pointer;
        }
        .compact-list .list-item:hover {
            background: var(--surface-2);
            color: var(--text-main);
            border-left: 3px solid var(--primary);
            padding-left: 5px;
        }
        .compact-list .list-item .item-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }
        /* Reduced motion */
        @media (prefers-reduced-motion: reduce) {
            * {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }

/* roulang page: category1 */
:root {
  --bg: #17171B;
  --surface: #232329;
  --surface-2: #28282F;
  --primary: #E8890C;
  --primary-hover: #F59E0B;
  --text-main: #F5F0E6;
  --text-muted: #A8A29E;
  --border: #35353C;
  --ring: rgba(232,137,12,0.35);
  --success: #2DD4BF;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 6px 16px rgba(0,0,0,0.5);
  --font-display: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-body: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 15px;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

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

button:focus-visible, input:focus-visible, a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

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

.section-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  color: var(--text-main);
}

.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 32px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  background: var(--surface-2);
  border-color: rgba(232,137,12,0.6);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background: var(--primary);
  color: #1A1A1E;
  padding: 10px 22px;
  min-height: 40px;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #1A1A1E;
}

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

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 22px;
  min-height: 40px;
}

.btn-secondary:hover {
  border-color: rgba(232,137,12,0.5);
  color: var(--primary);
  background: rgba(232,137,12,0.06);
}

.btn-sm {
  padding: 6px 14px;
  min-height: 32px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 32px;
  min-height: 48px;
  font-size: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(232,137,12,0.4);
  color: var(--primary);
  background: rgba(232,137,12,0.08);
  white-space: nowrap;
}

.badge-success {
  border-color: rgba(45,212,191,0.4);
  color: var(--success);
  background: rgba(45,212,191,0.08);
}

.tag {
  display: inline-block;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--primary);
  border: 1px solid rgba(232,137,12,0.3);
}

.divider-orange {
  height: 2px;
  width: 40px;
  background: var(--primary);
  border-radius: 1px;
  margin-bottom: 16px;
}

/* Header */
header.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  height: 64px;
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 24px;
  height: 24px;
  background: var(--primary);
  border-radius: 4px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon::after {
  content: '';
  width: 10px;
  height: 2px;
  background: #1A1A1E;
  border-radius: 1px;
  transform: rotate(-45deg);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.logo-text span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-muted);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}

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

.nav-links a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  margin-right: 6px;
}

.status-text {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

.notification-btn {
  position: relative;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.notification-btn:hover {
  color: var(--text-main);
}

.notification-badge {
  position: absolute;
  top: -2px;
  right: -4px;
  background: #E5484D;
  color: #fff;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 10px;
  min-width: 16px;
  text-align: center;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  color: var(--text-main);
  cursor: pointer;
}

/* Mobile drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  z-index: 49;
  padding: 24px 20px;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border);
}

.mobile-drawer a {
  font-size: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
}

.mobile-drawer a.active {
  color: var(--primary);
}

/* Category header */
.category-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 40px 0 32px;
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

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

.breadcrumb .sep {
  margin: 0 8px;
  color: var(--border);
}

/* Toolbar */
.filter-toolbar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-stats {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.filter-stat-item {
  font-size: 13px;
  color: var(--text-muted);
}

.filter-stat-item strong {
  color: var(--text-main);
  font-weight: 600;
}

.sort-buttons {
  display: flex;
  gap: 8px;
}

.sort-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.sort-btn:hover, .sort-btn.active {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(232,137,12,0.06);
}

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

.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  background: var(--surface-2);
  border-color: rgba(232,137,12,0.6);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.article-image {
  height: 160px;
  overflow: hidden;
  position: relative;
}

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

.article-image .tag {
  position: absolute;
  top: 10px;
  left: 10px;
}

.article-content {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 8px;
}

.article-title a:hover {
  color: var(--primary);
}

.article-excerpt {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: auto;
}

.article-meta svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Topic recommend */
.topic-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.topic-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px;
  display: flex;
  gap: 12px;
  align-items: center;
  transition: all 0.25s;
}

.topic-card:hover {
  border-color: rgba(232,137,12,0.6);
  background: var(--surface-2);
}

.topic-thumb {
  width: 80px;
  height: 56px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}

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

.topic-info h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--text-main);
}

.topic-info p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

/* Data bars */
.data-bars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 20px;
}

.data-bar-item {
  margin-bottom: 4px;
}

.data-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.data-bar-label strong {
  color: var(--text-main);
  font-weight: 600;
}

.data-bar-track {
  height: 8px;
  background: var(--surface-2);
  border-radius: 4px;
  overflow: hidden;
}

.data-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  width: 0%;
  transition: width 1s ease;
}

/* Quick news list */
.quick-news-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.quick-news-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
  font-size: 14px;
}

.quick-news-item:last-child {
  border-bottom: none;
}

.quick-news-item:hover {
  background: var(--surface-2);
}

.quick-news-title {
  color: var(--text-main);
  flex: 1;
  padding-right: 16px;
}

.quick-news-date {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* CTA banner */
.cta-banner {
  background: var(--surface-2);
  border: 1px solid rgba(232,137,12,0.4);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
}

.cta-banner h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.cta-banner p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  background: var(--surface);
  overflow: hidden;
}

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

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

.faq-question .icon {
  font-size: 20px;
  transition: transform 0.3s;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 20px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 200px;
  padding: 0 20px 16px;
}

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

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

/* Responsive */
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .topic-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .mobile-drawer {
    display: none;
  }
  .mobile-drawer.open {
    display: flex;
  }
  .header-right .status-text {
    display: none;
  }
  .article-grid { grid-template-columns: 1fr; }
  .topic-row { grid-template-columns: 1fr; }
  .data-bars { grid-template-columns: 1fr; }
  .filter-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
  .filter-stats {
    width: 100%;
    justify-content: space-between;
  }
  .sort-buttons {
    width: 100%;
  }
  .sort-btn {
    flex: 1;
  }
  section {
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .section-title {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .article-image {
    height: 140px;
  }
  .cta-banner h2 {
    font-size: 20px;
  }
}