/* roulang page: index */
:root {
            --primary: #00f0ff;
            --primary-glow: rgba(0, 240, 255, 0.55);
            --primary-soft: rgba(0, 240, 255, 0.12);
            --secondary: #b347ea;
            --secondary-glow: rgba(179, 71, 234, 0.5);
            --accent: #ff2d95;
            --accent-glow: rgba(255, 45, 149, 0.5);
            --bg-deep: #06060d;
            --bg-panel: #0f0f1a;
            --bg-elevated: #161625;
            --bg-card: #13131f;
            --text-primary: #f0f0f5;
            --text-secondary: #b0b0c0;
            --text-muted: #6b6b80;
            --border-subtle: rgba(255, 255, 255, 0.07);
            --border-glow: rgba(0, 240, 255, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 1px rgba(0, 240, 255, 0.08);
            --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.2), 0 0 60px rgba(0, 240, 255, 0.06);
            --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.55), 0 0 2px rgba(0, 240, 255, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            background-image:
                radial-gradient(ellipse at 15% 10%, rgba(0, 240, 255, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 20%, rgba(179, 71, 234, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 60%, rgba(255, 45, 149, 0.02) 0%, transparent 50%);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
        }
        ::selection {
            background: var(--primary);
            color: #000;
        }
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 10, 18, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(8, 8, 16, 0.92);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0 18px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 0 14px;
            }
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: #fff;
            position: relative;
            z-index: 1001;
            transition: text-shadow var(--transition-fast);
        }
        .logo-link:hover {
            text-shadow: 0 0 18px var(--primary-glow), 0 0 40px rgba(0, 240, 255, 0.25);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: #fff;
            box-shadow: 0 0 16px var(--primary-glow);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 22px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: #fff;
            background: var(--primary-soft);
        }
        .nav-links a.nav-cta {
            background: var(--primary);
            color: #000;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: 22px;
            box-shadow: 0 0 14px var(--primary-glow);
            transition: all var(--transition-base);
        }
        .nav-links a.nav-cta:hover {
            box-shadow: 0 0 28px var(--primary-glow), 0 0 50px rgba(0, 240, 255, 0.3);
            transform: translateY(-1px);
            color: #000;
            background: #33f5ff;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            padding: 6px;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                flex-direction: column;
                background: rgba(14, 14, 24, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 90px 28px 40px;
                gap: 4px;
                transition: right var(--transition-slow);
                border-left: 1px solid var(--border-subtle);
                box-shadow: -8px 0 40px rgba(0, 0, 0, 0.6);
                align-items: stretch;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                padding: 13px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
                text-align: left;
                display: block;
            }
            .nav-links a.nav-cta {
                text-align: center;
                margin-top: 8px;
            }
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
        }
        .mobile-overlay.active {
            display: block;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 6, 13, 0.78) 0%, rgba(6, 6, 13, 0.55) 40%, rgba(6, 6, 13, 0.82) 85%, var(--bg-deep) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 55% 35%, rgba(0, 240, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 25% 60%, rgba(179, 71, 234, 0.06) 0%, transparent 50%);
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 720px;
            padding: 40px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            border: 1px solid var(--border-glow);
            color: var(--primary);
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 22px;
            letter-spacing: 0.03em;
            animation: badgePulse 3s ease-in-out infinite;
        }
        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 8px var(--primary-glow);
            }
            50% {
                box-shadow: 0 0 22px var(--primary-glow), 0 0 44px rgba(0, 240, 255, 0.18);
            }
        }
        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 8px var(--primary-glow);
            animation: dotBlink 1.5s ease-in-out infinite;
        }
        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            color: #fff;
            line-height: 1.15;
            text-shadow: 0 0 40px rgba(0, 240, 255, 0.2);
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--primary), #5ee8ff, var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: none;
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 520px;
            line-height: 1.6;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
            overflow: hidden;
        }
        .btn-primary {
            background: var(--primary);
            color: #000;
            box-shadow: 0 0 20px var(--primary-glow);
        }
        .btn-primary:hover {
            box-shadow: 0 0 36px var(--primary-glow), 0 0 60px rgba(0, 240, 255, 0.3);
            transform: translateY(-2px);
            background: #33f5ff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.15);
            background: var(--primary-soft);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 0 18px var(--accent-glow);
        }
        .btn-accent:hover {
            box-shadow: 0 0 32px var(--accent-glow), 0 0 55px rgba(255, 45, 149, 0.3);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        .hero-visual-accent {
            position: absolute;
            right: -60px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 2;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            border: 1.5px solid rgba(0, 240, 255, 0.12);
            pointer-events: none;
            animation: orbitSlow 20s linear infinite;
        }
        .hero-visual-accent::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 50%;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 20px var(--primary-glow), 0 0 50px rgba(0, 240, 255, 0.5);
            transform: translateX(-50%);
        }
        @keyframes orbitSlow {
            from {
                transform: translateY(-50%) rotate(0deg);
            }
            to {
                transform: translateY(-50%) rotate(360deg);
            }
        }
        @media (max-width: 1024px) {
            .hero-visual-accent {
                width: 260px;
                height: 260px;
                right: -80px;
            }
        }
        @media (max-width: 768px) {
            .hero-visual-accent {
                display: none;
            }
        }

        /* Sections */
        section {
            padding: var(--section-gap) 0;
        }
        @media (max-width: 768px) {
            section {
                padding: var(--section-gap-mobile) 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1.02rem;
            max-width: 560px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-desc {
                font-size: 0.92rem;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-desc {
            margin: 0 auto;
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .feature-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-elevated);
            transform: translateY(-3px);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
        }
        .feature-card .feature-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(255, 45, 149, 0.12);
            color: var(--accent);
            margin-top: 12px;
            letter-spacing: 0.04em;
        }

        /* Services / Cards with images */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 768px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-elevated);
            transform: translateY(-3px);
        }
        .service-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }
        .service-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .service-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
            flex: 1;
        }
        .service-card-body .service-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-top: 14px;
            transition: gap var(--transition-fast);
        }
        .service-card:hover .service-tag {
            gap: 10px;
        }
        @media (max-width: 520px) {
            .service-card-img {
                height: 170px;
            }
        }

        /* Stats */
        .stats-section {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            background-attachment: fixed;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(6, 6, 13, 0.88);
            z-index: 1;
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 22px;
            }
        }
        .stat-item {
            padding: 10px;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), #fff, var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
            text-shadow: none;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        @media (max-width: 768px) {
            .stat-number {
                font-size: 2.2rem;
            }
        }

        /* Process */
        .process-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            counter-reset: step;
            position: relative;
        }
        .process-list::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            z-index: 0;
            border-radius: 2px;
            opacity: 0.5;
        }
        @media (max-width: 768px) {
            .process-list::before {
                display: none;
            }
        }
        .process-item {
            flex: 1;
            min-width: 140px;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 10px 20px;
        }
        .process-step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 2px solid var(--border-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            margin: 0 auto 14px;
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.1);
            transition: all var(--transition-base);
        }
        .process-item:hover .process-step-num {
            box-shadow: 0 0 28px var(--primary-glow);
            border-color: var(--primary);
            background: #111;
        }
        .process-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .process-item p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .process-list {
                flex-direction: column;
                gap: 16px;
            }
            .process-item {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
                padding: 0;
                min-width: auto;
            }
            .process-step-num {
                margin: 0;
                flex-shrink: 0;
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.12);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: 0.98rem;
            font-weight: 600;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: background var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--primary);
            transition: all var(--transition-fast);
            font-weight: 700;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #000;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* CTA */
        .cta-section {
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-panel {
            background: var(--bg-elevated);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: 50px 36px;
            position: relative;
            box-shadow: var(--shadow-glow);
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.06);
            pointer-events: none;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(179, 71, 234, 0.05);
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-panel .btn {
            position: relative;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .cta-panel {
                padding: 36px 20px;
            }
            .cta-panel h2 {
                font-size: 1.5rem;
            }
        }

        /* Contact */
        .contact-mini {
            text-align: center;
            padding: 20px 0;
        }
        .contact-mini .contact-email {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 10px 20px;
            border-radius: 22px;
            background: var(--primary-soft);
            transition: all var(--transition-fast);
        }
        .contact-mini .contact-email:hover {
            box-shadow: 0 0 18px var(--primary-glow);
            background: rgba(0, 240, 255, 0.18);
        }

        /* Footer */
        .site-footer {
            border-top: 1px solid var(--border-subtle);
            background: var(--bg-panel);
            padding: 40px 0 28px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .footer-inner {
                padding: 0 18px;
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-inner {
                padding: 0 14px;
            }
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .footer-info {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--primary);
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }