/* roulang page: index */
:root {
            --primary-emerald: hsl(165, 88%, 38%);
            --primary-dark: hsl(215, 85%, 20%);
            --accent-orange: hsl(28, 95%, 54%);
            --bg-light: hsl(210, 20%, 98%);
            --bg-white: #ffffff;
            --bg-dark-slate: hsl(222, 47%, 11%);
            --bg-card-dark: hsl(220, 39%, 16%);
            --text-heading: hsl(215, 28%, 17%);
            --text-body: hsl(215, 16%, 47%);
            --text-muted: hsl(215, 12%, 62%);
            --text-light: hsl(210, 40%, 98%);
            --border-color: rgba(15, 23, 42, 0.08);
            --border-dark: rgba(255, 255, 255, 0.12);
            --radius-card: 1.25rem;
            --radius-board: 1.5rem;
            --radius-pill: 9999px;
            --shadow-sm: 0 4px 6px -2px rgba(15, 23, 42, 0.03);
            --shadow-md: 0 10px 30px -5px rgba(15, 23, 42, 0.06), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
            --shadow-glow: 0 12px 35px -8px rgba(16, 185, 129, 0.25);
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-heading);
            background-color: var(--bg-light);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }

        /* Top Bar */
        .top-bar {
            background-color: var(--bg-dark-slate);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--border-dark);
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .top-bar-left, .top-bar-right {
            display: flex;
            align-items: center;
            gap: 1.25rem;
        }

        /* Header Navigation */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }
        .header-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.35rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-emerald) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .brand-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary-emerald), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            -webkit-text-fill-color: initial;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }
        .nav-menu {
            display: none;
            gap: 1.75rem;
            align-items: center;
            list-style: none;
        }
        @media (min-width: 992px) {
            .nav-menu {
                display: flex;
            }
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-heading);
            position: relative;
            padding: 0.5rem 0;
        }
        .nav-link:hover {
            color: var(--primary-emerald);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-emerald);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }

        /* Buttons & Badges */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
            cursor: pointer;
            border: none;
            transition: var(--transition-smooth);
            text-align: center;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-emerald) 0%, hsl(165, 88%, 32%) 100%);
            color: #fff;
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.45);
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent-orange) 0%, hsl(20, 95%, 48%) 100%);
            color: #fff;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.45);
        }
        .btn-outline-white {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(4px);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: #fff;
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--text-heading);
            border: 1px solid rgba(15, 23, 42, 0.15);
        }
        .btn-outline-dark:hover {
            background: rgba(15, 23, 42, 0.04);
            border-color: var(--text-heading);
        }

        .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 0.85rem;
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.3);
            color: var(--primary-emerald);
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: var(--radius-pill);
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            background-color: var(--primary-emerald);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
            animation: pulse 1.8s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        /* Section Universal Layout */
        section {
            padding: 5.5rem 0;
            position: relative;
        }
        @media (max-width: 768px) {
            section {
                padding: 3.5rem 0;
            }
        }
        .section-header {
            max-width: 760px;
            margin: 0 auto 3.5rem auto;
            text-align: center;
        }
        .section-tag {
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary-emerald);
            margin-bottom: 0.75rem;
            display: inline-block;
        }
        .section-title {
            font-size: 2.15rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-heading);
            margin-bottom: 1.1rem;
            letter-spacing: -0.5px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.75rem;
            }
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* Section 1: Hero Banner */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, hsl(215, 85%, 15%) 0%, var(--bg-dark-slate) 100%);
            color: #fff;
            padding: 5rem 0 6rem 0;
            overflow: hidden;
        }
        .hero-bg-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/7a6b5d25158bde9e.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            align-items: center;
        }
        @media (min-width: 992px) {
            .hero-grid {
                grid-template-columns: 1.1fr 0.9fr;
            }
        }
        .hero-content h1 {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 1.2rem 0;
            letter-spacing: -0.5px;
            color: #fff;
        }
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2rem;
            }
        }
        .hero-lead {
            font-size: 1.1rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.5rem;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .hero-tag-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 0.4rem 0.9rem;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .hero-stage {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-board);
            padding: 1.5rem;
            backdrop-filter: blur(16px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
            position: relative;
        }
        .hero-stage-img {
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.15);
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .hero-floating-stat {
            position: absolute;
            bottom: -20px;
            right: 20px;
            background: var(--bg-dark-slate);
            border: 1px solid var(--border-dark);
            padding: 1rem 1.4rem;
            border-radius: var(--radius-card);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .hero-floating-val {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-orange);
        }

        /* Section 2: Architecture Intro */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3.5rem;
            align-items: center;
        }
        @media (min-width: 992px) {
            .intro-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .intro-media-card {
            border-radius: var(--radius-board);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            position: relative;
            background: #fff;
        }
        .intro-spec-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            margin-top: 2rem;
        }
        .intro-spec-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }
        .spec-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.1);
            color: var(--primary-emerald);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* Section 3: Core Features (6 Cards) */
        .grid-3x2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .grid-3x2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .grid-3x2 {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 2.2rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-glow);
            border-color: rgba(16, 185, 129, 0.3);
        }
        .card-num {
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--primary-emerald);
            background: rgba(16, 185, 129, 0.1);
            padding: 0.3rem 0.7rem;
            border-radius: var(--radius-pill);
            display: inline-block;
            margin-bottom: 1.2rem;
            width: fit-content;
        }
        .feature-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.85rem;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 1.5rem;
        }
        .card-meta-tag {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        /* Section 4: Hot Applications (3 Column Heavy Cards) */
        .app-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 992px) {
            .app-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .app-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-board);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
            transition: var(--transition-smooth);
        }
        .app-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .app-card-img-wrap {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .app-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .app-card:hover .app-card-img-wrap img {
            transform: scale(1.05);
        }
        .app-card-body {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .app-card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .app-card-body p {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 1.5rem;
        }
        .app-kpi-box {
            background: var(--bg-light);
            border-radius: var(--radius-card);
            padding: 1rem;
            margin-top: auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: 1px solid var(--border-color);
        }
        .app-kpi-val {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary-emerald);
        }

        /* Section 5: Dark Mode Showcase */
        .dark-engine-section {
            background: var(--bg-dark-slate);
            color: var(--text-light);
            padding: 6rem 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .dark-engine-section .section-title {
            color: #fff;
        }
        .dark-engine-section .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }
        .engine-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .engine-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .engine-card {
            background: var(--bg-card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 2.2rem;
            transition: var(--transition-smooth);
        }
        .engine-card:hover {
            border-color: var(--primary-emerald);
            background: hsl(220, 39%, 19%);
        }
        .engine-card h3 {
            font-size: 1.3rem;
            margin: 1.2rem 0 0.8rem 0;
            color: #fff;
        }
        .engine-card p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.65;
        }
        .engine-icon {
            font-size: 1.8rem;
            color: var(--primary-emerald);
        }

        /* Section 6: Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .scenario-item {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 1.8rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .scenario-item h3 {
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
            color: var(--text-heading);
        }
        .scenario-item p {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.6;
        }
        .scenario-list {
            margin-top: 1.2rem;
            list-style: none;
            font-size: 0.88rem;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        /* Section 7: Case Studies */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            align-items: center;
        }
        @media (min-width: 992px) {
            .case-grid {
                grid-template-columns: 1fr 1.2fr;
            }
        }
        .case-data-box {
            background: var(--bg-white);
            border-radius: var(--radius-board);
            padding: 2.5rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }
        .case-stat-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2rem 0;
            padding: 1.5rem 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .case-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-emerald);
        }
        .case-img-container {
            border-radius: var(--radius-board);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        /* Section 8: Metric Counter Strip */
        .metric-strip-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, hsl(215, 80%, 25%) 100%);
            color: #fff;
            padding: 4rem 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
        @media (min-width: 992px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .metric-item {
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, 0.15);
            padding: 0 1rem;
        }
        .metric-item:last-child {
            border-right: none;
        }
        .metric-big-num {
            font-size: 2.75rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.25rem;
            font-variant-numeric: tabular-nums;
        }
        .metric-big-num span {
            color: var(--accent-orange);
        }
        .metric-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .metric-trend {
            font-size: 0.82rem;
            color: var(--primary-emerald);
            background: rgba(16, 185, 129, 0.2);
            padding: 0.2rem 0.6rem;
            border-radius: var(--radius-pill);
            display: inline-block;
        }

        /* Section 9: Testimonials Grid */
        .testi-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .testi-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .testi-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .testi-quote {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            font-style: italic;
        }
        .testi-author {
            display: flex;
            align-items: center;
            gap: 1rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1.2rem;
        }
        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-emerald), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .author-info h4 {
            font-size: 1rem;
            color: var(--text-heading);
            font-weight: 700;
        }
        .author-info span {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: block;
        }

        /* Section 10: News Insights */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition-smooth);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-card-img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .news-card-body {
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .news-tag {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary-emerald);
            margin-bottom: 0.5rem;
        }
        .news-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 0.75rem;
        }
        .news-card-body p {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 1.25rem;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: auto;
        }

        /* Section 11: FAQ Accordion */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .faq-item details {
            width: 100%;
        }
        .faq-item summary {
            padding: 1.35rem 1.75rem;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--primary-emerald);
            transition: transform 0.3s ease;
        }
        .faq-item details[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-content {
            padding: 0 1.75rem 1.5rem 1.75rem;
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.7;
            border-top: 1px solid rgba(15, 23, 42, 0.04);
            margin-top: 0.5rem;
            padding-top: 1rem;
        }

        /* Section 12: Conversion CTA */
        .conversion-section {
            background: linear-gradient(135deg, hsl(215, 85%, 15%) 0%, var(--bg-dark-slate) 100%);
            color: #fff;
            padding: 5.5rem 0;
            position: relative;
        }
        .conv-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3.5rem;
            align-items: center;
        }
        @media (min-width: 992px) {
            .conv-grid {
                grid-template-columns: 1.1fr 0.9fr;
            }
        }
        .conv-form-card {
            background: #fff;
            color: var(--text-heading);
            border-radius: var(--radius-board);
            padding: 2.5rem;
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
        }
        .form-group {
            margin-bottom: 1.25rem;
        }
        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: var(--text-heading);
        }
        .form-control {
            width: 100%;
            padding: 0.85rem 1rem;
            border-radius: 0.75rem;
            border: 1px solid var(--border-color);
            background: var(--bg-light);
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition-smooth);
        }
        .form-control:focus {
            border-color: var(--primary-emerald);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
        }

        /* Footer */
        .site-footer {
            background: hsl(222, 50%, 8%);
            color: rgba(255, 255, 255, 0.65);
            padding: 4.5rem 0 2rem 0;
            font-size: 0.9rem;
            border-top: 1px solid var(--border-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            margin-bottom: 3.5rem;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            }
        }
        .footer-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .footer-links a:hover {
            color: var(--primary-emerald);
        }
        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.82rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            align-items: center;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        /* Responsive Mobile Drawer */
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.5rem;
            color: var(--text-heading);
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 991px) {
            .mobile-toggle {
                display: block;
            }
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 1.5rem;
            flex-direction: column;
            gap: 1rem;
            box-shadow: var(--shadow-md);
            z-index: 99;
        }
        .mobile-menu.active {
            display: flex;
        }