:root {
            --primary: #FF6A00;
            --primary-dark: #E05A00;
            --primary-light: #FFF3E8;
            --primary-gradient: linear-gradient(135deg, #FF6A00 0%, #FF8C3D 100%);
            --dark: #1A1A2E;
            --text: #1D1D1F;
            --text-secondary: #6B7280;
            --text-light: #9CA35F;
            --bg: #FFFFFF;
            --bg-light: #F8F9FA;
            --bg-section: #F5F6F7;
            --border: #E5E7EB;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 24px rgba(0, 0, 0, 0.06);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 72px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.6;
            overflow-x: hidden;
            letter-spacing: -0.01em;
        }

        /* ==================== 顶部导航 ==================== */
        .nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .nav.scrolled {
            border-bottom-color: var(--border);
            box-shadow: var(--shadow-sm);
            background: rgba(255, 255, 255, 0.97);
        }
        .nav-inner {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
		.nav-inner img{
            width: 50px;
			height: auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: -1px;
            box-shadow: 0 2px 8px rgba(255, 106, 0, 0.3);
        }
        .nav-logo-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .nav-logo-text span {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-secondary);
            letter-spacing: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 16px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 20px;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-phone {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text);
            font-size: 16px;
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .nav-phone:hover {
            color: var(--primary);
        }
        .nav-phone-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 11px 24px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: -0.01em;
            font-family: inherit;
        }
        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 106, 0, 0.35);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #E05A00 0%, #FF7A2E 100%);
            box-shadow: 0 6px 20px rgba(255, 106, 0, 0.45);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 28px;
        }
        .btn-xl {
            padding: 16px 40px;
            font-size: 17px;
            border-radius: 30px;
            letter-spacing: -0.02em;
        }
        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
            width: 40px;
            height: 32px;
            justify-content: center;
            align-items: center;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--dark);
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ==================== 模态弹窗 ==================== */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            z-index: 10000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .modal-dialog {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            width: 100%;
            max-width: 480px;
            padding: 36px 32px;
            position: relative;
            transform: translateY(30px);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            max-height: 90vh;
            overflow-y: auto;
        }
        .modal-overlay.active .modal-dialog {
            transform: translateY(0);
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 20px;
            background: var(--bg-light);
            border: none;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition);
            line-height: 1;
        }
        .modal-close:hover {
            background: #E5E7EB;
            color: var(--dark);
        }
        .modal-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
            text-align: center;
        }
        .modal-subtitle {
            font-size: 14px;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 28px;
            line-height: 1.5;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius);
            background: #FAFBFC;
            transition: all var(--transition);
            font-family: inherit;
            color: var(--text);
            outline: none;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.1);
            background: #fff;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        .form-submit {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            margin-top: 8px;
            border-radius: 28px;
        }
        .form-note {
            text-align: center;
            font-size: 12px;
            color: var(--text-light);
            margin-top: 14px;
            line-height: 1.4;
        }
        .form-success {
            display: none;
            text-align: center;
            padding: 20px 0;
        }
        .form-success h3 {
            font-size: 20px;
            color: #10B981;
            margin-bottom: 10px;
        }
        .form-success p {
            color: var(--text-secondary);
            font-size: 15px;
        }

        /* ==================== Hero Banner ==================== */
        .hero {
            position: relative;
            background: linear-gradient(180deg, #FAFBFC 0%, #F0F4F8 40%, #FFFFFF 100%);
            padding: 60px 32px 80px;
            overflow: hidden;
            text-align: center;
        }
        .hero-bg-shapes {
            position: absolute;
            inset: 0;
            pointer-events: none;
            overflow: hidden;
        }
        .hero-shape {
            position: absolute;
            border-radius: 50%;
            opacity: 0.5;
            filter: blur(80px);
            animation: floatShape 8s ease-in-out infinite;
        }
        .hero-shape-1 {
            width: 400px;
            height: 400px;
            background: rgba(255, 140, 60, 0.12);
            top: -120px;
            right: -100px;
            animation-delay: 0s;
        }
        .hero-shape-2 {
            width: 300px;
            height: 300px;
            background: rgba(255, 180, 100, 0.1);
            bottom: -80px;
            left: -80px;
            animation-delay: 3s;
            animation-duration: 10s;
        }
        .hero-shape-3 {
            width: 200px;
            height: 200px;
            background: rgba(255, 106, 0, 0.08);
            top: 40%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation-delay: 5s;
            animation-duration: 12s;
        }
        @keyframes floatShape {
            0%,
            100% {
                transform: translate(0, 0) scale(1);
            }
            25% {
                transform: translate(30px, -30px) scale(1.05);
            }
            50% {
                transform: translate(-20px, 20px) scale(0.95);
            }
            75% {
                transform: translate(15px, 15px) scale(1.02);
            }
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 28px;
            box-shadow: var(--shadow-sm);
            letter-spacing: -0.01em;
        }
        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22C55E;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
            }
        }
        .hero h1 {
            font-size: clamp(36px, 5vw, 56px);
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
        }
        .hero-subtitle {
            font-size: clamp(16px, 2.2vw, 19px);
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.7;
            letter-spacing: -0.01em;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 48px;
        }
        .hero-mockup {
            max-width: 750px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            border: 1px solid var(--border);
            transition: transform var(--transition);
        }
        .hero-mockup:hover {
            transform: translateY(-4px);
        }
        .mockup-dots {
            display: flex;
            gap: 6px;
            flex-shrink: 0;
        }
        .mockup-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #DDD;
        }
        .mockup-dot:nth-child(1) {
            background: #FF5F57;
        }
        .mockup-dot:nth-child(2) {
            background: #FFBD2E;
        }
        .mockup-dot:nth-child(3) {
            background: #28C840;
        }
        .mockup-bar {
            flex: 1;
            height: 10px;
            background: #F0F0F0;
            border-radius: 5px;
        }
        .mockup-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .hero-trust {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 32px;
            font-size: 13px;
            color: var(--text-light);
        }
        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-trust-check {
            color: #22C55E;
            font-weight: 700;
            font-size: 16px;
        }
        /* ==================== 通用区块 ==================== */
        .section {
            padding: 80px 32px;
        }
        .section-inner {
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            background: var(--primary-light);
            padding: 6px 16px;
            border-radius: 20px;
        }
        .section-title {
            font-size: clamp(28px, 3.8vw, 40px);
            font-weight: 700;
            color: var(--dark);
            letter-spacing: -0.03em;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ==================== 产品特色卡片 ==================== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px 28px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            cursor: default;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity var(--transition);
            border-radius: 0 0 4px 4px;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 24px;
            flex-shrink: 0;
        }
        .feature-icon.orange {
            background: #FFF3E8;
            color: #FF6A00;
        }
        .feature-icon.blue {
            background: #EFF6FF;
            color: #3B82F6;
        }
        .feature-icon.green {
            background: #ECFDF5;
            color: #10B981;
        }
        .feature-icon.purple {
            background: #F5F3FF;
            color: #8B5CF6;
        }
        .feature-icon.cyan {
            background: #ECFEFF;
            color: #06B6D4;
        }
        .feature-icon.rose {
            background: #FFF1F2;
            color: #F43F5E;
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ==================== 版本对比 ==================== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: 850px;
            margin: 0 auto;
        }
        .pricing-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            border: 2px solid var(--border);
            transition: all var(--transition);
            position: relative;
            text-align: center;
        }
        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-gradient);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
        }
        .pricing-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }
        .pricing-card .price-tag {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin: 16px 0;
            letter-spacing: -0.03em;
        }
        .pricing-card .price-tag small {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .pricing-features {
            list-style: none;
            text-align: left;
            margin: 20px 0 28px;
        }
        .pricing-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid #F5F5F5;
        }
        .pricing-features li:last-child {
            border-bottom: none;
        }
        .pricing-check {
            color: #22C55E;
            font-weight: 700;
            flex-shrink: 0;
            font-size: 15px;
        }

        /* ==================== 代理优势 ==================== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: default;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateY(-3px);
        }
        .advantage-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.04em;
            opacity: 0.15;
            line-height: 1;
            margin-bottom: -20px;
        }
        .advantage-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin: 12px 0 8px;
            letter-spacing: -0.02em;
        }
        .advantage-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ==================== 数据展示条 ==================== */
        .stats-bar {
            background: var(--dark);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 24px;
        }
        .stat-item {
            text-align: center;
            color: #fff;
        }
        .stat-number {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-number .plus {
            color: var(--primary);
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.02em;
        }

        /* ==================== CTA区块 ==================== */
        .cta-section {
            background: linear-gradient(180deg, #FFF 0%, #FFF8F4 100%);
            text-align: center;
            padding: 80px 32px;
            position: relative;
            overflow: hidden;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 700;
            color: var(--dark);
            letter-spacing: -0.03em;
            margin-bottom: 14px;
        }
        .cta-inner p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-contact-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 20px;
            font-size: 15px;
            color: var(--text-secondary);
        }
        .cta-phone-link {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            transition: color var(--transition);
        }
        .cta-phone-link:hover {
            color: var(--primary-dark);
        }

        /* ==================== 页脚 ==================== */
        .footer {
            background: #1A1A2E;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 32px 32px;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
        }
        .footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .footer p,
        .footer li {
            font-size: 13px;
            line-height: 2;
        }
        .footer ul {
            list-style: none;
        }
        .footer a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 32px auto 0;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.02em;
        }

        /* ==================== 响应式设计 ==================== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px 32px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
                width: 100%;
                border-radius: 8px;
            }
            .nav-phone span {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero {
                padding: 40px 20px 60px;
            }
            .hero-mockup {
                padding: 14px 16px;
                gap: 10px;
                border-radius: var(--radius);
            }
            .section {
                padding: 56px 20px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-bar {
                padding: 28px 20px;
                gap: 20px;
                border-radius: var(--radius-lg);
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .section-title {
                font-size: 26px;
            }
            .modal-dialog {
                padding: 28px 20px;
            }
        }
        @media (max-width: 480px) {
            .advantages-grid {
                grid-template-columns: 1fr;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-xl {
                width: 100%;
                justify-content: center;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .hero {
                padding: 32px 16px 48px;
            }
            .section {
                padding: 40px 16px;
            }
            .cta-section {
                padding: 48px 20px;
            }
        }

        /* ==================== 滚动动画辅助 ==================== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ==================== 工具提示样式 ==================== */
        .tag-official {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #FFF;
            border: 1px solid #FFD5B5;
            color: #E05A00;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.03em;
        }