/* roulang page: index */
:root {
            --bg-primary: #0b0b1a;
            --bg-secondary: #1a1a2e;
            --bg-card: rgba(10, 10, 20, 0.75);
            --bg-input: rgba(20, 20, 35, 0.8);
            --accent: #e63946;
            --accent-hover: #ff4d5a;
            --accent-glow: rgba(230, 57, 70, 0.35);
            --gold: #c9a96e;
            --gold-light: #d4b87a;
            --silver: #b0b0b0;
            --text-primary: #ffffff;
            --text-body: #d0d0d0;
            --text-muted: #9a9a9a;
            --text-tiny: #7a7a8a;
            --border-subtle: rgba(201, 169, 110, 0.25);
            --border-card: rgba(255, 255, 255, 0.08);
            --border-input: #555;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-card: 0 8px 20px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 14px 32px rgba(0, 0, 0, 0.65), 0 0 0 1px var(--accent);
            --shadow-btn: 0 4px 14px rgba(230, 57, 70, 0.4);
            --transition-fast: 0.15s ease;
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'Roboto Mono', 'Courier New', monospace;
            --container-max: 1200px;
            --nav-height-top: 36px;
            --nav-height-main: 70px;
            --nav-total: 106px;
            --section-gap: 4rem;
            --section-gap-lg: 5rem;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
            background-image:
                radial-gradient(ellipse at 50% 15%, rgba(230, 57, 70, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 40%, rgba(201, 169, 110, 0.03) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 70%, rgba(180, 130, 200, 0.03) 0%, transparent 50%);
            background-attachment: fixed;
        }

        ::selection {
            background-color: var(--accent);
            color: #fff;
        }

        ::-webkit-scrollbar {
            width: 7px;
        }
        ::-webkit-scrollbar-track {
            background: #0d0d1f;
        }
        ::-webkit-scrollbar-thumb {
            background: var(--gold);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--gold-light);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            line-height: 1.35;
            font-weight: 700;
        }
        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.3px;
        }
        h3 {
            font-size: 1.5rem;
            letter-spacing: -0.1px;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            margin-bottom: 1.2em;
        }
        p:last-child {
            margin-bottom: 0;
        }

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

        /* ========== TOP INFO BAR ========== */
        .top-info-bar {
            height: var(--nav-height-top);
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            font-size: 0.75rem;
            color: #aaa;
            display: flex;
            align-items: center;
            justify-content: center;
            position: sticky;
            top: 0;
            z-index: 1001;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .top-info-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .top-info-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .top-info-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #4ade80;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(74, 222, 128, 0);
            }
        }
        .top-info-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .top-btn {
            font-size: 0.7rem;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent);
            color: var(--accent);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .top-btn:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        /* ========== MAIN NAV ========== */
        .main-nav {
            height: var(--nav-height-main);
            background: var(--bg-primary);
            position: sticky;
            top: var(--nav-height-top);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #c0392b);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .nav-logo-icon::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 50%;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
        }
        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .nav-logo-main {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }
        .nav-logo-sub {
            font-size: 0.65rem;
            color: var(--gold);
            font-weight: 400;
            letter-spacing: 1px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9375rem;
            color: #ccc;
            letter-spacing: 0.5px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            position: relative;
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .nav-menu a:hover::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
            opacity: 0.6;
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
            background: none;
            border: none;
        }
        .nav-hamburger span {
            width: 26px;
            height: 2.5px;
            background: #ccc;
            border-radius: 2px;
            transition: all var(--transition-smooth);
            display: block;
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
            background: var(--accent);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
            background: var(--accent);
        }

        /* ========== HERO / 指标看板 ========== */
        .hero-section {
            position: relative;
            padding: 3.5rem 0 4.5rem;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 26, 0.82) 0%, rgba(11, 11, 26, 0.9) 60%, rgba(11, 11, 26, 0.97) 100%);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 30% 20%, rgba(230, 57, 70, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(201, 169, 110, 0.08) 0%, transparent 50%);
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
        }
        .hero-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 1px;
            background: rgba(230, 57, 70, 0.15);
            color: var(--accent);
            border: 1px solid rgba(230, 57, 70, 0.3);
            margin-bottom: 1.2rem;
        }
        .hero-header h1 {
            font-size: 2.5rem;
            color: #fff;
            margin-bottom: 0.8rem;
            line-height: 1.3;
        }
        .hero-header h1 .highlight {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }
        .hero-cta-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #d62839);
            color: #fff;
            box-shadow: var(--shadow-btn);
            border: none;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--accent-hover), #e63946);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.55);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            border: 1.5px solid var(--gold);
            color: var(--gold);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(201, 169, 110, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }
        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .metric-card {
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.2rem;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .metric-card:hover::before {
            opacity: 1;
        }
        .metric-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .metric-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-mono);
            letter-spacing: 1px;
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .metric-number.gold {
            color: var(--gold);
        }
        .metric-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: var(--section-gap) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--gold);
            margin-bottom: 0.6rem;
            font-weight: 500;
        }
        .section-header h2 {
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .section-header .section-desc {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .divider-glow {
            width: 60px;
            height: 1px;
            margin: 0 auto 2rem;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.7;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
        }
        .service-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .service-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .service-card:hover .service-card-img {
            transform: scale(1.05);
        }
        .service-card-body {
            padding: 1.2rem 1.3rem;
        }
        .service-card-body h3 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .service-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }
        .service-card-tag {
            display: inline-block;
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(230, 57, 70, 0.15);
            color: var(--accent);
            margin-bottom: 0.6rem;
            letter-spacing: 0.5px;
        }

        /* ========== RANKING LIST ========== */
        .ranking-section {
            background: rgba(15, 15, 30, 0.5);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }
        .ranking-table-wrap {
            max-width: 900px;
            margin: 0 auto;
            overflow-x: auto;
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .ranking-table thead th {
            text-align: left;
            padding: 12px 16px;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .ranking-table tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            vertical-align: middle;
        }
        .ranking-table tbody tr {
            transition: background var(--transition-fast);
        }
        .ranking-table tbody tr:hover {
            background: rgba(230, 57, 70, 0.04);
        }
        .rank-num {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--gold);
            font-family: var(--font-mono);
            width: 40px;
        }
        .rank-num.top {
            color: var(--accent);
        }
        .rank-name {
            font-weight: 600;
            color: #fff;
        }
        .rank-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 10px;
            font-size: 0.7rem;
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .rank-tag.hot {
            background: rgba(230, 57, 70, 0.2);
            color: var(--accent);
        }
        .rank-tag.new {
            background: rgba(74, 222, 128, 0.15);
            color: #4ade80;
        }
        .rank-tag.rising {
            background: rgba(201, 169, 110, 0.2);
            color: var(--gold);
        }
        .rank-indicator {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--gold);
            font-weight: 600;
        }
        .rank-arrow-up {
            color: #4ade80;
            font-size: 0.8rem;
        }
        .rank-arrow-down {
            color: var(--accent);
            font-size: 0.8rem;
        }

        /* ========== COMPARISON ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 900px;
            margin: 0 auto;
            align-items: stretch;
        }
        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            border: 1px solid var(--border-card);
            transition: all var(--transition-base);
        }
        .comparison-card.negative {
            background: rgba(40, 40, 55, 0.5);
            border-color: rgba(255, 255, 255, 0.05);
        }
        .comparison-card.positive {
            background: rgba(20, 20, 35, 0.7);
            border-color: var(--accent);
            box-shadow: 0 0 30px rgba(230, 57, 70, 0.08);
            position: relative;
        }
        .comparison-card.positive::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 20px;
            right: 20px;
            height: 1px;
            background: var(--accent);
            border-radius: 0 0 2px 2px;
        }
        .comparison-card h3 {
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
            text-align: center;
            letter-spacing: 0.5px;
        }
        .comparison-card.negative h3 {
            color: var(--text-muted);
        }
        .comparison-card.positive h3 {
            color: var(--accent);
        }
        .comparison-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.9rem;
            line-height: 1.5;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .comparison-item:last-child {
            border-bottom: none;
        }
        .comparison-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            margin-top: 1px;
        }
        .comparison-icon.fail {
            background: rgba(230, 57, 70, 0.2);
            color: var(--accent);
        }
        .comparison-icon.pass {
            background: rgba(74, 222, 128, 0.2);
            color: #4ade80;
        }

        /* ========== CAMPAIGN / 限时精选 ========== */
        .campaign-section {
            background: linear-gradient(180deg, rgba(20, 15, 25, 0.6) 0%, rgba(11, 11, 26, 0.9) 100%);
            position: relative;
            overflow: hidden;
        }
        .campaign-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.5;
        }
        .campaign-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .campaign-card {
            background: rgba(15, 15, 30, 0.8);
            border: 1px solid rgba(230, 57, 70, 0.2);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .campaign-card:hover {
            border-color: var(--accent);
            box-shadow: 0 0 28px rgba(230, 57, 70, 0.15);
            transform: translateY(-2px);
        }
        .campaign-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 1px;
            background: var(--accent);
            color: #fff;
            margin-bottom: 1rem;
        }
        .campaign-card h3 {
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .campaign-card .campaign-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1.2rem;
        }
        .campaign-highlight {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--gold);
            font-family: var(--font-mono);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: rgba(10, 10, 20, 0.5);
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.12);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-base);
            background: none;
            border: none;
            letter-spacing: 0.3px;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            transition: transform var(--transition-smooth);
            position: relative;
        }
        .faq-arrow::before,
        .faq-arrow::after {
            content: '';
            position: absolute;
            background: var(--text-muted);
            transition: all var(--transition-smooth);
        }
        .faq-arrow::before {
            width: 10px;
            height: 1.5px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .faq-arrow::after {
            width: 1.5px;
            height: 10px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .faq-item.active .faq-arrow::after {
            transform: translate(-50%, -50%) rotate(90deg);
            opacity: 0;
        }
        .faq-item.active .faq-arrow::before {
            background: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .faq-item.active .faq-question {
            color: var(--accent);
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: rgba(15, 15, 30, 0.6);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .cta-form-card {
            max-width: 560px;
            margin: 0 auto;
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .cta-form-card h3 {
            color: #fff;
            margin-bottom: 0.5rem;
            font-size: 1.4rem;
        }
        .cta-form-card .cta-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        .form-group {
            margin-bottom: 14px;
            text-align: left;
        }
        .form-group label {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 5px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background: var(--bg-input);
            border: 1px solid var(--border-input);
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }
        .form-input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
            outline: none;
        }
        .form-input::placeholder {
            color: #666;
        }
        .form-submit {
            width: 100%;
            padding: 13px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent), #d62839);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            border: none;
            margin-top: 4px;
        }
        .form-submit:hover {
            background: linear-gradient(135deg, var(--accent-hover), #e63946);
            box-shadow: var(--shadow-btn);
        }
        .form-privacy {
            font-size: 0.7rem;
            color: var(--text-tiny);
            margin-top: 10px;
            text-align: center;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #080812;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 3rem 0 2rem;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.75rem;
            color: var(--text-tiny);
            letter-spacing: 0.5px;
        }
        .footer-bottom strong {
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== MOBILE NAV OVERLAY ========== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .mobile-nav-overlay.active {
            display: flex;
        }
        .mobile-nav-overlay a {
            font-size: 1.2rem;
            color: #ccc;
            padding: 12px 24px;
            letter-spacing: 1px;
            transition: color var(--transition-fast);
        }
        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .campaign-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 2.5rem;
                --section-gap-lg: 3rem;
            }
            h1 {
                font-size: 1.65rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .nav-menu {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .hero-section {
                padding: 2rem 0 3rem;
            }
            .hero-header h1 {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
                max-width: 100%;
            }
            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .metric-card {
                padding: 1rem 0.8rem;
            }
            .metric-number {
                font-size: 1.5rem;
            }
            .metric-label {
                font-size: 0.7rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-card-img {
                height: 160px;
            }
            .campaign-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .comparison-card {
                padding: 1.2rem 1rem;
            }
            .cta-form-card {
                padding: 1.8rem 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .top-info-left span {
                font-size: 0.65rem;
            }
            .top-btn {
                font-size: 0.65rem;
                padding: 3px 8px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .hero-cta-row {
                gap: 10px;
            }
            .ranking-table {
                font-size: 0.78rem;
            }
            .ranking-table thead th,
            .ranking-table tbody td {
                padding: 8px 10px;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-metrics {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-card {
                padding: 0.8rem 0.6rem;
            }
            .metric-number {
                font-size: 1.3rem;
            }
            .hero-header h1 {
                font-size: 1.4rem;
            }
            .campaign-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
            .top-info-bar {
                font-size: 0.6rem;
            }
            .top-info-left span {
                display: none;
            }
            .top-info-dot {
                width: 5px;
                height: 5px;
            }
        }