/* roulang page: index */
:root {
            --primary: #7BAFD4;
            --primary-light: #E5F0FF;
            --primary-dark: #5A8FB5;
            --accent: #F0A04B;
            --accent-hover: #E08A2E;
            --accent-light: #FFF3E6;
            --bg-page: #F8FAFC;
            --bg-section: #F5F9FF;
            --bg-section-alt: #FFFFFF;
            --card-bg: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #CBD5E1;
            --border-light: #E2E8F0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-btn: 24px;
            --radius-pill: 50px;
            --transition-fast: 150ms ease;
            --transition: 200ms ease;
            --transition-slow: 300ms ease;
            --font-h1: 2.5rem;
            --font-h2: 2rem;
            --font-h3: 1.5rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --line-height-body: 1.8;
            --line-height-heading: 1.35;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height-body);
            color: var(--text-primary);
            background-color: var(--bg-page);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            font-size: var(--font-body);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 12px 20px;
            background: #fff;
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
            width: 100%;
        }
        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(123, 175, 212, 0.12);
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: var(--line-height-heading);
            font-weight: 700;
            color: var(--text-primary);
        }
        h1 {
            font-size: var(--font-h1);
        }
        h2 {
            font-size: var(--font-h2);
        }
        h3 {
            font-size: var(--font-h3);
            font-weight: 600;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #FFFFFF;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--primary-dark);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }
        .nav-links a {
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary-dark);
            border-bottom-color: var(--primary);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            margin-left: 8px;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: var(--font-xs);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition);
            cursor: pointer;
            border: 1.5px solid transparent;
        }
        .chip-active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .chip-past {
            background: #E2E8F0;
            color: var(--text-muted);
            border-color: #E2E8F0;
        }
        .chip-upcoming {
            background: transparent;
            color: var(--primary-dark);
            border-color: var(--primary);
        }
        .chip:hover {
            transform: translateY(-1px);
        }
        .chip-active:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
        }
        .chip-past:hover {
            background: #CBD5E1;
            color: var(--text-secondary);
        }
        .chip-upcoming:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            padding: 4px;
            line-height: 1;
            cursor: pointer;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 16px;
            }
            .nav-chips {
                gap: 4px;
            }
            .chip {
                padding: 4px 10px;
                font-size: 0.7rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links,
            .nav-chips {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links.open,
            .nav-chips.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                padding: 16px 24px;
                gap: 12px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-chips.open {
                top: calc(var(--nav-height) + 180px);
                flex-direction: row;
                flex-wrap: wrap;
                gap: 8px;
                padding-top: 12px;
                border-top: 1px solid var(--border-light);
            }
            .nav-links a {
                font-size: 1rem;
                padding: 8px 0;
                border-bottom: none;
                border-left: 3px solid transparent;
                padding-left: 12px;
            }
            .nav-links a:hover,
            .nav-links a.active {
                border-bottom: none;
                border-left-color: var(--primary);
                background: var(--primary-light);
                border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            }
        }

        /* ========== HERO ========== */
        .hero {
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #E5F0FF 0%, #F5F9FF 35%, #FFFFFF 100%);
            padding-top: var(--nav-height);
            position: relative;
            overflow: hidden;
        }
        .hero .container {
            display: flex;
            align-items: center;
            gap: 48px;
            min-height: 85vh;
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .hero-content {
            flex: 1;
            max-width: 580px;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-weight: 600;
            font-size: var(--font-xs);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .hero-content h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }
        .hero-content .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 500px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
            min-width: 70px;
        }
        .hero-stat .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.2;
        }
        .hero-stat .stat-label {
            font-size: var(--font-xs);
            color: var(--text-muted);
            margin-top: 2px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: var(--font-sm);
            letter-spacing: 0.02em;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary-dark);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            color: var(--primary-dark);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }
        .hero-visual {
            flex: 1;
            max-width: 520px;
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .hero-visual::after {
            content: '';
            position: absolute;
            inset: -16px;
            border-radius: calc(var(--radius-lg) + 8px);
            border: 2px dashed var(--border);
            z-index: -1;
            opacity: 0.5;
            pointer-events: none;
        }
        @media (max-width: 1024px) {
            .hero .container {
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-visual {
                max-width: 400px;
            }
        }
        @media (max-width: 768px) {
            .hero {
                min-height: auto;
            }
            .hero .container {
                flex-direction: column;
                text-align: center;
                gap: 28px;
                min-height: auto;
                padding-top: 24px;
                padding-bottom: 32px;
            }
            .hero-content {
                max-width: 100%;
                order: 1;
            }
            .hero-content h1 {
                font-size: 1.75rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-stats {
                justify-content: center;
                gap: 20px;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-visual {
                max-width: 100%;
                order: 0;
            }
            .hero-visual img {
                aspect-ratio: 16/10;
                max-height: 280px;
                object-fit: cover;
            }
            .hero-visual::after {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.45rem;
            }
            .hero-stats {
                gap: 14px;
            }
            .hero-stat .stat-number {
                font-size: 1.5rem;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.8rem;
            }
        }

        /* ========== SECTIONS COMMON ========== */
        section {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: var(--font-xs);
            font-weight: 600;
            color: var(--primary-dark);
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== SOLUTION ASYMMETRIC ========== */
        .solution-section {
            background: var(--bg-section-alt);
        }
        .solution-grid {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .solution-card {
            display: flex;
            align-items: center;
            gap: 40px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            padding: 0;
        }
        .solution-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .solution-card.reverse {
            flex-direction: row-reverse;
        }
        .solution-card-img {
            flex: 0 0 44%;
            min-height: 280px;
            overflow: hidden;
            position: relative;
        }
        .solution-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform var(--transition-slow);
        }
        .solution-card:hover .solution-card-img img {
            transform: scale(1.04);
        }
        .solution-card-body {
            flex: 1;
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .solution-card-body .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: var(--font-xs);
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            width: fit-content;
        }
        .solution-card-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .solution-card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .solution-card-body .card-link {
            font-weight: 600;
            font-size: var(--font-sm);
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 4px;
            transition: gap var(--transition);
        }
        .solution-card-body .card-link:hover {
            gap: 8px;
            color: var(--accent-hover);
        }
        @media (max-width: 768px) {
            .solution-card,
            .solution-card.reverse {
                flex-direction: column;
                gap: 0;
            }
            .solution-card-img {
                flex: 0 0 auto;
                width: 100%;
                min-height: 200px;
                max-height: 240px;
            }
            .solution-card-body {
                padding: 20px;
            }
            .solution-card-body h3 {
                font-size: 1.15rem;
            }
            .solution-grid {
                gap: 24px;
            }
        }

        /* ========== HIGHLIGHTS WALL ========== */
        .highlights-section {
            background: var(--bg-section);
        }
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .highlight-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .highlight-icon {
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary-dark);
            flex-shrink: 0;
        }
        .highlight-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .highlight-card p {
            font-size: var(--font-xs);
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .highlights-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FEATURED POSTS ========== */
        .featured-section {
            background: var(--bg-section-alt);
        }
        .featured-layout {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            align-items: start;
        }
        .featured-main-card {
            grid-column: span 2;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-main-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .featured-main-card img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            display: block;
        }
        .featured-main-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .featured-main-card .card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
        }
        .featured-main-card .card-body .card-meta {
            font-size: var(--font-xs);
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .featured-main-card .card-body .card-excerpt {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .tag-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: var(--font-xs);
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            width: fit-content;
        }
        .featured-side-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .featured-side-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border-left: 3px solid transparent;
            cursor: pointer;
        }
        .featured-side-card:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--accent);
            transform: translateX(4px);
        }
        .featured-side-card h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .featured-side-card .side-meta {
            font-size: var(--font-xs);
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .featured-layout {
                grid-template-columns: 1fr 1fr;
            }
            .featured-main-card {
                grid-column: span 2;
            }
            .featured-side-list {
                grid-column: span 2;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media (max-width: 768px) {
            .featured-layout {
                grid-template-columns: 1fr;
            }
            .featured-main-card {
                grid-column: span 1;
            }
            .featured-side-list {
                grid-column: span 1;
                grid-template-columns: 1fr;
            }
            .featured-main-card img {
                height: 200px;
            }
        }

        /* ========== VERTICAL CARDS ========== */
        .vertical-section {
            background: var(--bg-section);
        }
        .vertical-scroll {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .vertical-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }
        .vertical-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .vertical-card img {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
            display: block;
        }
        .vertical-card .v-card-body {
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .vertical-card .v-card-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .vertical-card .v-card-body .v-meta {
            font-size: var(--font-xs);
            color: var(--text-muted);
        }
        .vertical-card .v-card-body .btn-sm {
            margin-top: auto;
            align-self: flex-start;
            font-size: var(--font-xs);
            padding: 7px 16px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            background: transparent;
            border: 1.5px solid var(--accent);
            color: var(--accent);
            transition: all var(--transition);
        }
        .vertical-card .v-card-body .btn-sm:hover {
            background: var(--accent);
            color: #fff;
        }
        @media (max-width: 1024px) {
            .vertical-scroll {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .vertical-scroll {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .vertical-card img {
                aspect-ratio: 3/3.5;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-section {
            background: var(--bg-section-alt);
        }
        .testimonials-scroll {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .testimonial-card .t-header {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .t-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary-dark);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .t-user-info .t-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .t-user-info .t-date {
            font-size: var(--font-xs);
            color: var(--text-muted);
        }
        .testimonial-card .t-body {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            font-style: italic;
        }
        .testimonial-card .t-stars {
            color: var(--accent);
            font-size: 0.85rem;
            letter-spacing: 2px;
        }
        @media (max-width: 1024px) {
            .testimonials-scroll {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .testimonials-scroll {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-section);
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .faq-item.open {
            box-shadow: var(--shadow-md);
            border-left: 3px solid var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            user-select: none;
            transition: background var(--transition);
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        .faq-question:hover {
            background: #f9fafb;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--primary-dark);
            flex-shrink: 0;
            transition: transform var(--transition-slow), background var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 18px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #E5F0FF 0%, #F0F6FF 40%, #FFFFFF 100%);
            text-align: center;
            padding: 70px 0;
        }
        .cta-section .container {
            max-width: 640px;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
        }
        .cta-form .btn {
            flex-shrink: 0;
        }
        .cta-note {
            font-size: var(--font-xs);
            color: var(--text-light);
        }
        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
            }
            .cta-form .btn {
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 40px 0;
            font-size: var(--font-sm);
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            white-space: nowrap;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #CBD5E1;
            font-size: var(--font-xs);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .footer-copy {
            font-size: var(--font-xs);
            color: #94A3B8;
            white-space: nowrap;
        }
        @media (max-width: 600px) {
            .site-footer .container {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
            .footer-links {
                justify-content: center;
            }
        }