/* ========== 设计变量 ========== */
        :root {
            --primary: #0b1a2e;
            --primary-light: #132c4a;
            --secondary: #1a3a5c;
            --accent: #00b4d8;
            --accent-glow: #00e5ff;
            --bg-dark: #060e18;
            --bg-section: #0c1a2b;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --text-main: #e8eef4;
            --text-weak: #8fa3b8;
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.14);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 24px rgba(0, 228, 255, 0.2);
            --transition: all 0.3s ease;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        /* ========== 基础 Reset ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }

        /* ========== 容器 ========== */
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(6, 14, 24, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            padding: 0;
        }
        .site-header .navbar {
            padding: 12px 0;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }
        .navbar-brand-custom .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-glow) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0b1a2e;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .navbar-brand-custom .brand-text {
            line-height: 1.2;
        }
        .navbar-brand-custom .brand-text .brand-sub {
            display: block;
            font-size: 12px;
            color: var(--text-weak);
            font-weight: 400;
            letter-spacing: 0.08em;
        }
        .nav-link-custom {
            color: var(--text-weak) !important;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }
        .nav-link-custom:hover,
        .nav-link-custom:focus,
        .nav-link-custom.active {
            color: var(--text-main) !important;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 228, 255, 0.5);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-glow) 100%);
            color: #0b1a2e !important;
            font-weight: 700;
            padding: 10px 24px !important;
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(0, 180, 216, 0.3);
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 180, 216, 0.5);
            color: #0b1a2e !important;
        }
        .navbar-toggler-custom {
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 8px;
            color: var(--text-main);
            font-size: 18px;
            display: none;
            cursor: pointer;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            padding: 80px 0 70px;
            overflow: hidden;
            background: linear-gradient(135deg, #060e18 0%, #0b1a2e 50%, #132c4a 100%);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6,14,24,0.4) 0%, rgba(6,14,24,0.9) 100%);
            z-index: 0;
        }
        .hero-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 180, 216, 0.12);
            border: 1px solid rgba(0, 180, 216, 0.3);
            color: var(--accent-glow);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .hero-badge i {
            font-size: 14px;
        }
        .hero-title {
            font-size: 40px;
            line-height: 1.2;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }
        .hero-title .highlight {
            color: var(--accent-glow);
            position: relative;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }
        .btn-glow {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-glow) 100%);
            color: #0b1a2e;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            box-shadow: 0 4px 20px rgba(0, 180, 216, 0.35);
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 180, 216, 0.55);
            color: #0b1a2e;
        }
        .btn-outline-glow {
            background: transparent;
            border: 1.5px solid rgba(0, 180, 216, 0.5);
            color: var(--accent-glow);
            font-weight: 600;
            padding: 13px 30px;
            border-radius: 50px;
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
        }
        .btn-outline-glow:hover {
            background: rgba(0, 180, 216, 0.1);
            border-color: var(--accent-glow);
            transform: translateY(-2px);
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 12px;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-weak);
            font-size: 14px;
        }
        .hero-meta-item i {
            color: var(--accent);
            font-size: 18px;
        }

        /* Hero 推荐卡 */
        .hero-deal-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 180, 216, 0.2);
            border-radius: 20px;
            padding: 36px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
            position: relative;
            overflow: hidden;
            max-width: 480px;
            margin-left: auto;
        }
        .hero-deal-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            background: radial-gradient(circle, rgba(0, 180, 216, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .deal-flag {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            color: #0b1a2e;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .deal-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .deal-desc {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .deal-price {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-glow);
            margin-bottom: 4px;
        }
        .deal-price span {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-weak);
        }
        .deal-features {
            margin: 20px 0;
            padding: 0;
            list-style: none;
        }
        .deal-features li {
            padding: 6px 0;
            color: var(--text-weak);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .deal-features li i {
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
        }
        .deal-features li strong {
            color: var(--text-main);
            font-weight: 600;
        }

        /* ========== 数据指标 ========== */
        .metrics-section {
            padding: 60px 0;
            background: var(--bg-section);
            border-bottom: 1px solid var(--border);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .metric-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius);
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .metric-item:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            border-color: var(--border-light);
        }
        .metric-num {
            font-size: 44px;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1.1;
        }
        .metric-num small {
            font-size: 20px;
            font-weight: 700;
        }
        .metric-label {
            color: var(--text-weak);
            font-size: 14px;
            margin-top: 8px;
        }
        .metric-sub {
            font-size: 12px;
            color: var(--text-weak);
            opacity: 0.7;
            margin-top: 4px;
        }

        /* ========== 板块标题 ========== */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(0, 180, 216, 0.08);
            border: 1px solid rgba(0, 180, 216, 0.2);
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.06em;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-weak);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ========== 功能对比表 ========== */
        .compare-section {
            padding: 70px 0;
            background: var(--bg-dark);
        }
        .compare-wrap {
            overflow-x: auto;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            background: var(--bg-card);
        }
        .compare-table {
            width: 100%;
            min-width: 780px;
            border-collapse: collapse;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }
        .compare-table th {
            background: rgba(255, 255, 255, 0.04);
            font-weight: 700;
            color: var(--text-main);
            font-size: 15px;
        }
        .compare-table td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.02);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .check {
            color: var(--accent-glow);
            font-size: 16px;
        }
        .compare-table .na {
            color: var(--text-weak);
            opacity: 0.4;
            font-size: 16px;
        }
        .compare-table .row-highlight {
            background: rgba(0, 180, 216, 0.06);
        }
        .compare-table .col-recommend {
            background: rgba(0, 180, 216, 0.04);
            border-left: 1px solid rgba(0, 180, 216, 0.2);
            border-right: 1px solid rgba(0, 180, 216, 0.2);
            position: relative;
        }
        .compare-table .col-recommend th {
            background: rgba(0, 180, 216, 0.12);
            color: var(--accent-glow);
        }
        .compare-badge {
            display: inline-block;
            background: var(--accent);
            color: #0b1a2e;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 50px;
            margin-left: 6px;
            vertical-align: middle;
        }

        /* ========== 推荐档 ========== */
        .tier-section {
            padding: 70px 0;
            background: var(--bg-section);
        }
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .tier-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            position: relative;
            transition: var(--transition);
        }
        .tier-card:hover {
            transform: translateY(-6px);
            background: var(--bg-card-hover);
        }
        .tier-card.recommended {
            background: rgba(0, 180, 216, 0.06);
            border-color: rgba(0, 180, 216, 0.4);
            box-shadow: 0 8px 40px rgba(0, 180, 216, 0.15);
        }
        .tier-flag {
            position: absolute;
            top: -12px;
            left: 28px;
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            color: #0b1a2e;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
            box-shadow: var(--shadow-glow);
        }
        .tier-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .tier-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent-glow);
            margin: 12px 0;
        }
        .tier-price span {
            font-size: 14px;
            color: var(--text-weak);
            font-weight: 400;
        }
        .tier-desc {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .tier-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }
        .tier-list li {
            padding: 5px 0;
            font-size: 14px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tier-list li i {
            color: var(--accent);
            font-size: 13px;
            flex-shrink: 0;
        }
        .tier-list li strong {
            color: var(--text-main);
        }
        .tier-btn {
            width: 100%;
            padding: 12px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            border: 1.5px solid var(--border);
            background: transparent;
            color: var(--text-main);
            cursor: pointer;
            transition: var(--transition);
        }
        .tier-btn:hover {
            border-color: var(--accent);
            color: var(--accent-glow);
            background: rgba(0, 180, 216, 0.06);
        }
        .tier-btn.recommended-btn {
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            border: none;
            color: #0b1a2e;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(0, 180, 216, 0.3);
        }
        .tier-btn.recommended-btn:hover {
            box-shadow: 0 8px 28px rgba(0, 180, 216, 0.5);
            transform: translateY(-2px);
        }

        /* ========== 资讯区 ========== */
        .news-section {
            padding: 70px 0;
            background: var(--bg-dark);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            transition: var(--transition);
        }
        .news-item:hover {
            background: var(--bg-card-hover);
            transform: translateX(4px);
            border-color: var(--border-light);
        }
        .news-date {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: rgba(0, 180, 216, 0.1);
            border: 1px solid rgba(0, 180, 216, 0.2);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .news-date .day {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1.1;
        }
        .news-date .month {
            font-size: 12px;
            color: var(--text-weak);
        }
        .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.5;
            transition: var(--transition);
        }
        .news-content h4 a:hover {
            color: var(--accent-glow);
        }
        .news-content p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
        }
        .sidebar-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-title i {
            color: var(--accent);
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list li i {
            color: var(--accent);
            font-size: 10px;
        }
        .sidebar-list li a:hover {
            color: var(--accent-glow);
        }
        .sidebar-tag-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag {
            font-size: 13px;
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            padding: 4px 14px;
            border-radius: 50px;
            transition: var(--transition);
        }
        .sidebar-tag:hover {
            color: var(--accent-glow);
            border-color: var(--accent);
            background: rgba(0, 180, 216, 0.06);
        }

        /* ========== 新手入门 ========== */
        .guide-section {
            padding: 70px 0;
            background: var(--bg-section);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-card {
            text-align: center;
            padding: 32px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-6px);
            background: var(--bg-card-hover);
        }
        .step-num {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #0b1a2e;
            margin: 0 auto 16px;
            box-shadow: 0 0 16px rgba(0, 180, 216, 0.3);
        }
        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 70px 0;
            background: var(--bg-dark);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item.active {
            border-color: rgba(0, 180, 216, 0.3);
        }
        .faq-question {
            padding: 22px 28px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .faq-question h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0;
            flex: 1;
        }
        .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(0, 180, 216, 0.1);
            border: 1px solid rgba(0, 180, 216, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #0b1a2e;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 28px 22px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ========== CTA / 立即开通 ========== */
        .cta-section {
            padding: 80px 0;
            position: relative;
            background: linear-gradient(135deg, #0b1a2e 0%, #132c4a 100%);
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 180, 216, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-copy .section-title {
            font-size: 32px;
            margin-bottom: 16px;
        }
        .cta-copy .section-desc {
            text-align: left;
            margin: 0 0 24px;
        }
        .cta-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }
        .cta-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 6px 0;
            color: var(--text-weak);
            font-size: 15px;
        }
        .cta-list li i {
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
        }
        .cta-list li strong {
            color: var(--text-main);
        }
        .cta-form-wrap {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 36px;
            box-shadow: var(--shadow);
        }
        .cta-form-wrap h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cta-form-wrap p {
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 24px;
        }
        .form-label-custom {
            color: var(--text-weak);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 6px;
            display: block;
        }
        .form-control-custom {
            width: 100%;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-main);
            transition: var(--transition);
            margin-bottom: 16px;
        }
        .form-control-custom:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
        }
        .form-control-custom::placeholder {
            color: var(--text-weak);
            opacity: 0.6;
        }
        .cta-submit {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            color: #0b1a2e;
            font-weight: 700;
            border: none;
            border-radius: 50px;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 180, 216, 0.3);
            margin-top: 4px;
        }
        .cta-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 180, 216, 0.5);
        }
        .privacy-note {
            font-size: 12px;
            color: var(--text-weak);
            opacity: 0.7;
            text-align: center;
            margin-top: 12px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #050d16;
            border-top: 1px solid var(--border);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0b1a2e;
            flex-shrink: 0;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            padding: 4px 0;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-glow);
        }
        .footer-contact {
            color: var(--text-weak);
            font-size: 14px;
        }
        .footer-contact p {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--accent);
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            text-align: center;
            color: var(--text-weak);
            font-size: 13px;
            opacity: 0.8;
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 34px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .navbar-toggler-custom {
                display: inline-flex;
            }
            .navbar-collapse-custom {
                display: none;
                width: 100%;
                padding: 16px 0;
            }
            .navbar-collapse-custom.show {
                display: block;
            }
            .nav-link-custom {
                display: block;
                padding: 12px 16px !important;
            }
            .nav-link-custom.active::after {
                display: none;
            }
            .nav-cta-btn {
                margin-top: 8px;
                display: inline-flex;
                justify-content: center;
            }
            .hero-section {
                padding: 50px 0 50px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-deal-card {
                margin: 32px 0 0;
                padding: 28px 24px;
            }
            .section-title {
                font-size: 26px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .metric-num {
                font-size: 34px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-wrap {
                padding: 24px;
            }
            .compare-table th,
            .compare-table td {
                padding: 12px 14px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-ctas {
                flex-direction: column;
                width: 100%;
            }
            .btn-glow, .btn-outline-glow {
                width: 100%;
                justify-content: center;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-item {
                padding: 16px 12px;
            }
            .metric-num {
                font-size: 28px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .news-date {
                width: 48px;
                height: 48px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .faq-question {
                padding: 18px 20px;
            }
            .faq-answer-inner {
                padding: 0 20px 20px;
            }
            .tier-card {
                padding: 24px 20px;
            }
            .hero-deal-card {
                padding: 24px 20px;
            }
        }

/* ===== 设计变量 ===== */
        :root {
            --primary: #1a6cf5;
            --primary-dark: #0a3d91;
            --primary-light: #5b9eff;
            --accent: #00e0b0;
            --accent-rgb: 0, 224, 176;
            --dark-bg: #070f1e;
            --dark-bg-2: #0d1b33;
            --dark-bg-3: #111f3d;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.1);
            --text-light: #f0f4ff;
            --text-muted: rgba(226, 236, 255, 0.72);
            --text-dark: #1a2b4a;
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-lg: 22px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 30px rgba(0, 224, 176, 0.2);
            --transition: all 0.3s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--dark-bg);
            color: var(--text-light);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 15, 30, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 16px rgba(26, 108, 245, 0.3);
        }
        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            line-height: 1.2;
            display: flex;
            flex-direction: column;
        }
        .brand-sub {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }
        .navbar-toggler-custom {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            width: 42px;
            height: 42px;
            display: none;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .navbar-collapse-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .nav-link-custom {
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            display: inline-block;
        }
        .nav-link-custom:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link-custom.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(26, 108, 245, 0.25), rgba(0, 224, 176, 0.15));
            box-shadow: inset 0 0 20px rgba(26, 108, 245, 0.1);
            border: 1px solid rgba(26, 108, 245, 0.3);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 20px rgba(26, 108, 245, 0.35);
            transition: var(--transition);
            border: none;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(26, 108, 245, 0.5);
            color: #fff;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(135deg, #070f1e, #0d1b33);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 15, 30, 0.9) 0%, rgba(7, 15, 30, 0.65) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 30px;
            padding: 6px 18px;
            font-size: 13px;
            color: var(--accent);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 1px;
            background: linear-gradient(90deg, #fff, #a8d8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero .subtitle {
            font-size: 17px;
            color: var(--text-muted);
            margin-bottom: 36px;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }
        .hero-search-box {
            display: flex;
            max-width: 560px;
            margin: 0 auto 30px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 50px;
            padding: 6px;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }
        .hero-search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 30px rgba(0, 224, 176, 0.15);
        }
        .hero-search-box .search-input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 15px;
            padding: 12px 20px;
            min-width: 0;
        }
        .hero-search-box .search-input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .hero-search-box .search-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border: none;
            border-radius: 40px;
            color: #fff;
            padding: 10px 26px;
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .hero-search-box .search-btn:hover {
            box-shadow: 0 4px 20px rgba(26, 108, 245, 0.5);
            transform: scale(1.02);
        }
        .hot-keywords {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-muted);
        }
        .hot-keywords .hot-label {
            color: rgba(255, 255, 255, 0.5);
            margin-right: 4px;
        }
        .hot-keywords a {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 5px 16px;
            border-radius: 30px;
            font-size: 13px;
            color: var(--text-light);
            transition: var(--transition);
        }
        .hot-keywords a:hover {
            border-color: var(--accent);
            background: rgba(0, 224, 176, 0.12);
            color: var(--accent);
        }

        /* ===== Stats ===== */
        .stats-section {
            padding: 60px 0;
            background: transparent;
            margin-top: -20px;
            position: relative;
            z-index: 3;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            backdrop-filter: blur(12px);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 224, 176, 0.3);
            box-shadow: var(--shadow-glow);
        }
        .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(180deg, #fff, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .section-divider {
            width: 48px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 3px;
            margin: 16px auto 0;
        }

        /* ===== Services ===== */
        .services-section {
            background: linear-gradient(180deg, var(--dark-bg), var(--dark-bg-2));
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            backdrop-filter: blur(12px);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: rgba(0, 224, 176, 0.25);
        }
        .service-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .service-card:hover .service-card-img img {
            transform: scale(1.06);
        }
        .service-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 15, 30, 0.1) 0%, rgba(7, 15, 30, 0.5) 100%);
        }
        .service-icon {
            position: absolute;
            bottom: -22px;
            left: 24px;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 6px 20px rgba(26, 108, 245, 0.35);
            z-index: 2;
        }
        .service-card-body {
            padding: 32px 24px 26px;
            flex: 1;
        }
        .service-card-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }
        .service-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .service-card-link {
            font-size: 14px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .service-card-link:hover {
            gap: 10px;
            color: #fff;
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--dark-bg);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .step-item {
            position: relative;
            padding: 30px 22px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            text-align: center;
            transition: var(--transition);
        }
        .step-item:hover {
            border-color: rgba(0, 224, 176, 0.3);
            background: rgba(0, 224, 176, 0.06);
            transform: translateY(-4px);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 0 auto 14px;
            box-shadow: 0 4px 16px rgba(26, 108, 245, 0.3);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }
        .step-arrow {
            position: absolute;
            top: 42px;
            right: -20px;
            color: rgba(255, 255, 255, 0.2);
            font-size: 14px;
            z-index: 2;
        }

        /* ===== Compare ===== */
        .compare-section {
            background: linear-gradient(180deg, var(--dark-bg-2), var(--dark-bg));
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 28px;
            max-width: 920px;
            margin: 0 auto;
        }
        .compare-card {
            border-radius: var(--radius-lg);
            padding: 34px 32px;
            transition: var(--transition);
        }
        .compare-old {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .compare-new {
            background: linear-gradient(135deg, rgba(26, 108, 245, 0.12), rgba(0, 224, 176, 0.08));
            border: 1px solid rgba(0, 224, 176, 0.3);
            box-shadow: var(--shadow-glow);
        }
        .compare-card .compare-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-old .compare-title {
            color: rgba(255, 255, 255, 0.5);
        }
        .compare-new .compare-title {
            color: #fff;
        }
        .compare-card ul {
            margin: 0;
            padding: 0;
        }
        .compare-card ul li {
            padding: 9px 0;
            font-size: 14px;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .compare-card ul li:last-child {
            border-bottom: none;
        }
        .compare-card ul li i {
            margin-top: 4px;
            font-size: 13px;
        }
        .compare-old ul li i.fa-times {
            color: rgba(255, 255, 255, 0.3);
        }
        .compare-new ul li i.fa-check {
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--dark-bg);
        }
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 224, 176, 0.2);
        }
        .faq-question {
            padding: 22px 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: #fff;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            min-width: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-item.active .faq-icon {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 26px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 16px;
        }

        /* ===== CTA Form ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0a3d91, #0d1b33);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 224, 176, 0.15), transparent 60%);
            border-radius: 50%;
        }
        .cta-box {
            max-width: 940px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 50px;
            position: relative;
            z-index: 2;
            backdrop-filter: blur(16px);
        }
        .cta-box h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            text-align: center;
            margin-bottom: 8px;
        }
        .cta-box .cta-desc {
            font-size: 15px;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 30px;
        }
        .cta-form .row {
            margin-bottom: 14px;
        }
        .cta-form .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 13px 18px;
            color: #fff;
            font-size: 15px;
            transition: var(--transition);
        }
        .cta-form .form-control:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            box-shadow: 0 0 20px rgba(0, 224, 176, 0.1);
            color: #fff;
        }
        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='white' viewBox='0 0 12 8'%3E%3Cpath d='M1 0l5 5 5-5H1z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 18px center;
            padding-right: 40px;
        }
        .cta-form select.form-control option {
            background: #111f3d;
            color: #fff;
        }
        .cta-form textarea.form-control {
            resize: vertical;
            min-height: 90px;
        }
        .cta-submit-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border: none;
            border-radius: 40px;
            color: #fff;
            padding: 14px 40px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(26, 108, 245, 0.4);
            margin-top: 8px;
        }
        .cta-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(26, 108, 245, 0.6);
            color: #fff;
        }
        .cta-contact-info {
            text-align: center;
            margin-top: 24px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .cta-contact-info i {
            color: var(--accent);
            margin: 0 6px;
        }
        .cta-contact-info a {
            color: #fff;
            font-weight: 500;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #050b16;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links {
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .footer-contact i {
            width: 20px;
            color: var(--accent);
            margin-right: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-collapse-custom {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
            }
            .navbar-collapse-custom.open {
                display: flex;
            }
            .navbar-collapse-custom .navbar-nav {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                gap: 4px;
            }
            .navbar-collapse-custom .nav-link-custom {
                width: 100%;
            }
            .navbar-collapse-custom .nav-cta-btn {
                margin-top: 12px;
                width: 100%;
                justify-content: center;
            }
            .hero {
                padding: 60px 0 60px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-search-box {
                flex-direction: column;
                border-radius: 16px;
                padding: 10px;
                gap: 8px;
            }
            .hero-search-box .search-input {
                width: 100%;
                text-align: center;
                padding: 10px 14px;
            }
            .hero-search-box .search-btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 30px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 30px 24px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .step-arrow {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero .subtitle {
                font-size: 15px;
            }
            .cta-form .row>div {
                padding: 0 6px;
            }
            .compare-card {
                padding: 24px 20px;
            }
        }

:root {
            --primary: #0a1628;
            --primary-deep: #061020;
            --primary-light: #112a44;
            --accent: #c9a86a;
            --accent-light: #e2c894;
            --accent-deep: #a9853e;
            --text-main: #f0f5fa;
            --text-muted: #9fb0c3;
            --border-glass: rgba(255, 255, 255, 0.10);
            --glass-bg: rgba(255, 255, 255, 0.045);
            --glass-bg-strong: rgba(255, 255, 255, 0.08);
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.45);
            --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.25);
            --transition: 0.3s ease;
            --header-height: 80px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, -apple-system, sans-serif;
            background-color: var(--primary-deep);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--accent-light);
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-pad {
            padding: 96px 0;
        }

        .section-pad-sm {
            padding: 64px 0;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(6, 16, 32, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .site-header .navbar {
            min-height: var(--header-height);
            padding: 12px 0;
            gap: 10px;
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-main);
            transition: opacity 0.25s ease;
        }

        .navbar-brand-custom:hover {
            color: var(--text-main);
            opacity: 0.85;
        }

        .brand-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
            color: #0a1628;
            border-radius: 12px;
            font-size: 19px;
            box-shadow: 0 0 22px rgba(201, 168, 106, 0.3);
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            font-size: 17px;
            letter-spacing: 0.3px;
        }

        .brand-sub {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: 0.5px;
        }

        .navbar-toggler-custom {
            border: none;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-main);
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: background var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        .nav-link-custom {
            display: inline-block;
            font-size: 15px;
            font-weight: 500;
            color: #c9d6e4;
            padding: 9px 18px;
            border-radius: 999px;
            transition: background var(--transition), color var(--transition);
        }

        .nav-link-custom:hover {
            color: var(--accent-light);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-link-custom.active {
            color: #0a1628;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            box-shadow: 0 4px 16px rgba(201, 168, 106, 0.3);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
            color: #0a1628;
            font-weight: 600;
            font-size: 15px;
            padding: 11px 24px;
            border-radius: 999px;
            box-shadow: 0 4px 20px rgba(201, 168, 106, 0.28);
            transition: box-shadow var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            color: #0a1628;
            box-shadow: 0 8px 32px rgba(201, 168, 106, 0.45);
            transform: translateY(-2px);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse-custom {
                display: none !important;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 0 8px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                margin-top: 8px;
            }

            .navbar-collapse-custom.show {
                display: flex !important;
            }

            .navbar-collapse-custom .navbar-nav {
                flex-direction: column;
                width: 100%;
            }

            .navbar-collapse-custom .nav-item {
                width: 100%;
            }

            .nav-link-custom {
                display: block;
                padding: 12px 14px;
                border-radius: 10px;
            }

            .nav-cta-btn {
                margin-top: 10px;
                justify-content: center;
                width: 100%;
            }
        }

        @media (min-width: 992px) {
            .navbar-collapse-custom {
                display: flex !important;
            }
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 110px 0 90px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(6, 16, 32, 0.96) 20%, rgba(6, 16, 32, 0.78) 55%, rgba(6, 16, 32, 0.35) 100%);
            z-index: 1;
        }

        .hero-overlay::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(201, 168, 106, 0.12), transparent 50%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-nav {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

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

        .breadcrumb-nav a:hover {
            color: var(--accent-light);
        }

        .breadcrumb-nav i {
            font-size: 11px;
            margin: 0 8px;
            opacity: 0.5;
        }

        .page-hero h1 {
            font-size: clamp(34px, 5vw, 52px);
            font-weight: 800;
            letter-spacing: 1px;
            line-height: 1.25;
            margin: 0 0 20px;
            max-width: 780px;
        }

        .page-hero h1 .gold {
            color: var(--accent-light);
            font-weight: 800;
        }

        .hero-subtitle {
            font-size: 17px;
            color: #d5e1ed;
            max-width: 680px;
            margin: 0 0 30px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 26px;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
            color: #0a1628;
            font-weight: 700;
            font-size: 16px;
            padding: 14px 32px;
            border-radius: 999px;
            box-shadow: 0 8px 28px rgba(201, 168, 106, 0.35);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .btn-hero-primary:hover {
            color: #0a1628;
            box-shadow: 0 12px 40px rgba(201, 168, 106, 0.5);
            transform: translateY(-2px);
        }

        .btn-hero-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-main);
            font-weight: 500;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: 999px;
            backdrop-filter: blur(8px);
            transition: border-color var(--transition), background var(--transition), transform var(--transition);
        }

        .btn-hero-ghost:hover {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent-light);
            transform: translateY(-2px);
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            color: #e0e9f2;
            backdrop-filter: blur(6px);
        }

        .hero-badge i {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 540px;
                padding: 80px 0 60px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-hero-primary,
            .btn-hero-ghost {
                justify-content: center;
            }
        }

        /* ========== Stats ========== */
        .stats-section {
            position: relative;
            z-index: 3;
            margin-top: -50px;
            padding-bottom: 40px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.055);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition), border-color var(--transition);
        }

        .stat-item:hover {
            border-color: rgba(201, 168, 106, 0.45);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 42px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        @media (max-width: 991.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-item {
                padding: 22px 14px;
            }

            .stat-number {
                font-size: 32px;
            }
        }

        /* ========== Section Head ========== */
        .section-head {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 106, 0.12);
            border: 1px solid rgba(201, 168, 106, 0.28);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .section-title {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.85;
        }

        .section-light .section-desc {
            color: #b0c0d1;
        }

        /* ========== Service Matrix ========== */
        .service-matrix {
            background: linear-gradient(180deg, var(--primary-deep) 0%, #0c1b2e 100%);
            padding: 96px 0;
        }

        .matrix-card {
            position: relative;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

        .matrix-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 168, 106, 0.4);
        }

        .matrix-card .card-img-wrap {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .matrix-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .matrix-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(6, 16, 32, 0.85) 100%);
        }

        .matrix-icon {
            position: absolute;
            left: 20px;
            bottom: 16px;
            z-index: 2;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0a1628;
            box-shadow: 0 6px 18px rgba(201, 168, 106, 0.3);
        }

        .matrix-body {
            padding: 22px 22px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .matrix-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .matrix-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            flex: 1;
        }

        .matrix-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }

        .matrix-tag {
            background: rgba(201, 168, 106, 0.1);
            border: 1px solid rgba(201, 168, 106, 0.18);
            color: var(--accent-light);
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }

        /* ========== Standard / Compare ========== */
        .standard-section {
            background: #0c1b2e;
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .standard-section::before {
            content: '';
            position: absolute;
            right: -160px;
            top: -160px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(201, 168, 106, 0.08), transparent 65%);
            border-radius: 50%;
        }

        .standard-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            height: 100%;
            min-height: 420px;
        }

        .standard-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .standard-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, transparent 45%, rgba(6, 16, 32, 0.6) 100%);
        }

        .standard-badge {
            position: absolute;
            z-index: 2;
            left: 20px;
            bottom: 20px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 14px 20px;
            border-radius: 14px;
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.5;
        }

        .standard-badge strong {
            color: var(--accent-light);
            font-size: 18px;
        }

        .compare-wrap {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

        .compare-head {
            text-align: center;
            margin-bottom: 28px;
        }

        .compare-head h3 {
            font-size: 24px;
            font-weight: 700;
            margin-top: 8px;
            margin-bottom: 4px;
        }

        .compare-head p {
            font-size: 14px;
            color: var(--text-muted);
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .compare-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1.4fr;
            gap: 12px;
            align-items: center;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            padding: 13px 16px;
            font-size: 14px;
            transition: border-color var(--transition), background var(--transition);
        }

        .compare-row:hover {
            border-color: rgba(201, 168, 106, 0.25);
            background: rgba(255, 255, 255, 0.06);
        }

        .compare-dim {
            font-weight: 700;
            color: var(--text-main);
        }

        .compare-left {
            color: #8296a8;
            font-size: 13px;
        }

        .compare-left i {
            color: #e06363;
            margin-right: 6px;
        }

        .compare-right {
            color: #d8e6f2;
            font-size: 13px;
            line-height: 1.6;
        }

        .compare-right i {
            color: var(--accent);
            margin-right: 6px;
        }

        @media (max-width: 767px) {
            .compare-wrap {
                padding: 24px 18px;
            }

            .compare-row {
                grid-template-columns: 1fr;
                gap: 6px;
            }

            .compare-dim {
                font-size: 15px;
            }
        }

        /* ========== Process ========== */
        .process-section {
            background: linear-gradient(180deg, #0c1b2e, var(--primary-deep));
            padding: 96px 0;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-step {
            position: relative;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: transform var(--transition), border-color var(--transition), background var(--transition);
        }

        .process-step:hover {
            transform: translateY(-6px);
            border-color: rgba(201, 168, 106, 0.35);
            background: rgba(255, 255, 255, 0.07);
        }

        .step-num {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }

        .step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            border-radius: 16px;
            background: rgba(201, 168, 106, 0.14);
            border: 1px solid rgba(201, 168, 106, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-light);
            box-shadow: 0 0 24px rgba(201, 168, 106, 0.1);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--primary-deep);
            padding: 96px 0;
        }

        .custom-accordion {
            max-width: 880px;
            margin: 0 auto;
        }

        .custom-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            backdrop-filter: blur(8px);
            transition: border-color var(--transition);
        }

        .custom-accordion .accordion-item:first-of-type,
        .custom-accordion .accordion-item:last-of-type {
            border-radius: var(--radius-md) !important;
        }

        .custom-accordion .accordion-item:hover {
            border-color: rgba(201, 168, 106, 0.3);
        }

        .custom-accordion .accordion-button {
            background: rgba(255, 255, 255, 0.06) !important;
            color: var(--text-main) !important;
            font-weight: 600;
            font-size: 16px;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: 0;
        }

        .custom-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23c9a86a'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            background: rgba(201, 168, 106, 0.14) !important;
            color: var(--accent-light) !important;
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: none;
        }

        .custom-accordion .accordion-body {
            background: rgba(6, 16, 32, 0.35);
            color: #b7c6d8;
            font-size: 15px;
            line-height: 1.85;
            padding: 20px 24px 24px;
        }

        /* ========== Contact ========== */
        .contact-section {
            background: linear-gradient(160deg, #0c1b2e 0%, #081829 50%, #061527 100%);
            padding: 96px 0;
            position: relative;
        }

        .contact-wrap {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
            padding: 50px;
            overflow: hidden;
            max-width: 1040px;
            margin: 0 auto;
        }

        .contact-info h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .contact-info>p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 36px;
            max-width: 360px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 20px;
        }

        .contact-item .ct-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(201, 168, 106, 0.12);
            border: 1px solid rgba(201, 168, 106, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent);
            font-size: 18px;
        }

        .contact-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .contact-item p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 2px;
        }

        .contact-form-wrap {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 18px;
            padding: 32px;
        }

        .contact-form-wrap h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .contact-form-wrap .form-tip {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 26px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .form-label {
            font-size: 14px;
            color: #c8d6e4;
            font-weight: 500;
            margin-bottom: 6px;
        }

        .form-control {
            background: rgba(6, 16, 32, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-main);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
        }

        .form-control:focus {
            background: rgba(6, 16, 32, 0.75);
            border-color: var(--accent);
            color: var(--text-main);
            box-shadow: 0 0 0 0.25rem rgba(201, 168, 106, 0.12);
        }

        .form-control::placeholder {
            color: #6d8299;
        }

        textarea.form-control {
            resize: vertical;
            min-height: 90px;
        }

        .btn-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            width: 100%;
            background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
            color: #0a1628;
            font-weight: 700;
            font-size: 16px;
            padding: 14px 28px;
            border: none;
            border-radius: 12px;
            box-shadow: 0 6px 24px rgba(201, 168, 106, 0.3);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .btn-submit:hover {
            color: #0a1628;
            box-shadow: 0 10px 36px rgba(201, 168, 106, 0.45);
            transform: translateY(-2px);
        }

        .privacy-note {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 14px;
            margin-bottom: 0;
        }

        .privacy-note i {
            color: var(--accent);
            margin-right: 4px;
        }

        @media (max-width: 767px) {
            .contact-wrap {
                padding: 28px 18px;
                border-radius: 18px;
            }

            .contact-form-wrap {
                padding: 24px 18px;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #050e1b;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 24px;
            color: #a7b6c8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 14px;
            color: #8296a8;
            line-height: 1.8;
            max-width: 340px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: #94a8bd;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-contact p {
            font-size: 14px;
            color: #94a8bd;
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--accent);
            margin-right: 10px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: #5f7186;
        }

        .footer-bottom p {
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Utility ========== */
        .section-glow-line {
            position: relative;
            background: rgba(255, 255, 255, 0.06);
            height: 1px;
            max-width: 600px;
            margin: 0 auto 48px;
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 68px 0;
            }
        }