* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
            -webkit-touch-callout: none;
            -webkit-user-select: none;
            user-select: none;
        }
        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-overflow-scrolling: touch;
            scroll-behavior: smooth;
        }
        a,
        button,
        input,
        select,
        textarea {
            -webkit-tap-highlight-color: transparent;
            -webkit-touch-callout: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .skeleton {
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: skeleton-loading 1.5s ease-in-out infinite;
        }
        
        /* 宽屏悬浮窗样式 */
        .floating-window {
            position: fixed;
            right: 30px;
            bottom: 30px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            padding: 20px;
            z-index: 1000;
            display: none;
        }
        
        .floating-content h4 {
            margin: 0 0 15px 0;
            font-size: 16px;
            text-align: center;
            color: #333;
        }
        
        .floating-content img {
            width: 150px;
            height: 150px;
            display: block;
            margin: 0 auto;
        }
        
        /* 宽屏显示 */
        @media (min-width: 768px) {
            .floating-window {
                display: block;
            }
        }
        @keyframes skeleton-loading {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }
        :root {
            --primary: #43b8fe;
            --primary-dark: #2a9de0;
            --primary-light: #7dd3fc;
            --secondary: #1a2a3a;
            --text-dark: #1a2a3a;
            --text-gray: #666;
            --bg-light: #f8fafc;
            --white: #ffffff;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            text-decoration: none;
            position: relative;
            overflow: hidden;
        }
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.8), transparent);
            transform: translateX(-100%) skewX(-20deg);
            animation: btnShine 3s ease-in-out infinite;
            z-index: 0;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .btn:hover::before {
            opacity: 1;
        }
        @keyframes btnShine {
            0% { transform: translateX(-100%) skewX(-20deg); }
            100% { transform: translateX(200%) skewX(-20deg); }
        }
        .btn span {
            position: relative;
            z-index: 1;
            display: inline-block;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(67, 184, 254, 0.4);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
        }
        .btn-nav {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            color: var(--text-dark);
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 8px;
        }
        .btn-nav:hover {
            background: rgba(67, 184, 254, 0.1);
            color: var(--primary);
            border-color: rgba(67, 184, 254, 0.3);
        }
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 15px 0;
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }
        .navbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: nowrap;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
            position: relative;
            overflow: hidden;
        }
        .logo::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.8), transparent);
            transform: translateX(-100%) rotate(45deg);
            animation: logoShine 3s ease-in-out infinite;
            z-index: 0;
            pointer-events: none;
        }
        @keyframes logoShine {
            0% { transform: translateX(-100%) rotate(45deg); }
            100% { transform: translateX(100%) rotate(45deg); }
        }
        .logo-img {
            width: 40px;
            height: 40px;
            border: 2px solid var(--primary);
            border-radius: 8px;
            object-fit: contain;
            background: linear-gradient(135deg, rgba(67, 184, 254, 0.1), rgba(67, 184, 254, 0.05));
            position: relative;
            z-index: 1;
        }
        .logo span {
            position: relative;
            z-index: 1;
        }
        .nav-links {
            display: flex;
            gap: 15px;
            align-items: center;
        }
        .nav-links a {
            text-decoration: none;
            transition: all 0.3s;
        }
        .nav-actions {
            display: flex;
            gap: 5px;
            align-items: center;
        }
        .nav-actions .btn {
            margin-right: 2px;
        }
        .nav-actions .btn:last-child {
            margin-right: 0;
        }
        .mobile-menu-btn {
            display: none;
            background: rgba(67, 184, 254, 0.1);
            border: 1px solid rgba(67, 184, 254, 0.2);
            font-size: 24px;
            cursor: pointer;
            color: var(--primary);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 4px rgba(67, 184, 254, 0.1);
            align-items: center;
            justify-content: center;
            min-width: 44px;
            min-height: 44px;
        }
        .mobile-menu-btn:hover {
            background: rgba(67, 184, 254, 0.2);
            transform: translateY(-1px);
            box-shadow: 0 4px 8px rgba(67, 184, 254, 0.2);
        }
        .mobile-menu-btn:active {
            transform: scale(0.95);
            box-shadow: 0 2px 4px rgba(67, 184, 254, 0.1);
        }
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #e8f7fe 0%, #f0f9ff 50%, #e8f4fe 100%);
            padding: 100px 20px 60px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 80%;
            height: 150%;
            background: radial-gradient(circle, rgba(67, 184, 254, 0.15) 0%, transparent 60%);
            animation: pulse 8s ease-in-out infinite;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -20%;
            width: 70%;
            height: 120%;
            background: radial-gradient(circle, rgba(123, 104, 238, 0.1) 0%, transparent 50%);
            animation: pulse 10s ease-in-out infinite reverse;
        }
        .hero-bg-pattern {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                radial-gradient(circle at 15% 25%, rgba(67, 184, 254, 0.08) 0%, transparent 45%),
                radial-gradient(circle at 85% 75%, rgba(123, 104, 238, 0.08) 0%, transparent 45%),
                radial-gradient(circle at 45% 85%, rgba(67, 184, 254, 0.06) 0%, transparent 45%),
                radial-gradient(circle at 75% 15%, rgba(123, 104, 238, 0.06) 0%, transparent 45%);
            animation: bgPattern 25s ease-in-out infinite;
        }
        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.5; }
            50% { transform: scale(1.1); opacity: 0.8; }
        }
        @keyframes bgPattern {
            0% {
                transform: translate(0, 0) rotate(0deg);
            }
            25% {
                transform: translate(2%, 2%) rotate(1deg);
            }
            50% {
                transform: translate(0, 2%) rotate(0deg);
            }
            75% {
                transform: translate(-2%, 0) rotate(-1deg);
            }
            100% {
                transform: translate(0, 0) rotate(0deg);
            }
        }
        .hero-floaters {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            pointer-events: none;
        }
        .hero-floater {
            position: absolute;
            background: linear-gradient(135deg, rgba(67, 184, 254, 0.15), rgba(123, 104, 238, 0.1));
            border-radius: 50%;
            animation: floatUp 18s ease-in-out infinite;
            backdrop-filter: blur(5px);
        }
        .hero-floater:nth-child(1) {
            width: 100px;
            height: 100px;
            top: 15%;
            left: 8%;
            animation-delay: 0s;
        }
        .hero-floater:nth-child(2) {
            width: 70px;
            height: 70px;
            top: 55%;
            right: 12%;
            animation-delay: 4s;
        }
        .hero-floater:nth-child(3) {
            width: 50px;
            height: 50px;
            top: 75%;
            left: 25%;
            animation-delay: 8s;
        }
        .hero-floater:nth-child(4) {
            width: 120px;
            height: 120px;
            top: 35%;
            right: 20%;
            animation-delay: 12s;
        }
        @keyframes floatUp {
            0% {
                transform: translateY(0) translateX(0) scale(1);
                opacity: 0.4;
            }
            33% {
                transform: translateY(-40px) translateX(15px) scale(1.05);
                opacity: 0.6;
            }
            66% {
                transform: translateY(-70px) translateX(-10px) scale(1.1);
                opacity: 0.5;
            }
            100% {
                transform: translateY(-100px) translateX(5px) scale(1);
                opacity: 0.4;
            }
        }
        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 100px;
            align-items: center;
            position: relative;
            z-index: 1;
            max-width: 1400px;
            margin: 0 auto;
        }
        .hero-content {
            max-width: 600px;
        }
        .hero-image {
            position: relative;
            max-width: 850px;
        }
        .hero-content h1 {
            font-size: clamp(40px, 5vw, 64px);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 28px;
            color: var(--text-dark);
            letter-spacing: -1px;
        }
        .hero-content h1 span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, rgba(67, 184, 254, 0.12), rgba(123, 104, 238, 0.12));
            border: 1px solid rgba(67, 184, 254, 0.25);
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 28px;
            backdrop-filter: blur(10px);
            animation: badgePulse 3s ease-in-out infinite;
        }
        .hero-badge i {
            font-size: 16px;
        }
        @keyframes badgePulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.03); }
        }
        .hero-content p {
            font-size: 22px;
            color: var(--text-gray);
            margin-bottom: 45px;
            max-width: 540px;
            line-height: 1.7;
        }
        .hero-buttons {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        .hero-buttons .btn {
            padding: 16px 36px;
            font-size: 17px;
            font-weight: 600;
            border-radius: 12px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .hero-buttons .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(67, 184, 254, 0.35);
        }
        .hero-stats {
            display: flex;
            gap: 60px;
            padding-top: 40px;
            border-top: 1px solid rgba(67, 184, 254, 0.15);
        }
        .stat-item {
            text-align: left;
        }
        .stat-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .stat-label {
            font-size: 15px;
            color: var(--text-gray);
            margin-top: 8px;
        }
        .hero-image {
            position: relative;
            width: 100%;
            max-width: 850px;
        }
        .hero-img-wrapper {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 24px;
            padding: 0;
            box-shadow: 
                0 35px 70px rgba(67, 184, 254, 0.25),
                0 15px 35px rgba(67, 184, 254, 0.15);
            animation: float 6s ease-in-out infinite;
            overflow: hidden;
            position: relative;
        }
        .hero-img-wrapper::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark), #7b68ee, var(--primary));
            border-radius: 26px;
            z-index: -1;
            opacity: 0.5;
            animation: borderGlow 4s ease-in-out infinite;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }
        @keyframes borderGlow {
            0%, 100% { opacity: 0.3; }
            50% { opacity: 0.6; }
        }
        .hero-img-inner {
            width: 100%;
            min-height: 400px;
            background: var(--white);
            border-radius: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
            height: 100%;
        }
        .hero-img-inner img {
            width: 100%;
            height: auto;
            min-height: 400px;
            object-fit: cover;
            display: block;
        }
        .pos-screen {
            background: #1a2a3a;
            border-radius: 10px;
            padding: 20px;
            color: white;
        }
        .pos-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .pos-title {
            font-size: 14px;
            color: var(--primary-light);
        }
        .pos-items {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .pos-item {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            padding: 8px 12px;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
        }
        .pos-total {
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 700;
        }
        .pos-total span:last-child {
            color: var(--primary-light);
        }
        .section {
            padding: 100px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(67, 184, 254, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 42px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 18px;
            color: var(--text-gray);
            max-width: 600px;
            margin: 0 auto;
        }
        .features {
            background: var(--white);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        /* 旧版本浏览器兼容 */
        .old-browser .features-grid {
            display: flex;
            flex-wrap: wrap;
            padding: 0 15px;
        }
        .old-browser .feature-card {
            flex: 0 0 33.333%;
            padding: 0 15px;
            margin-bottom: 30px;
            box-sizing: border-box;
        }
        .old-browser .feature-card > div {
            height: 100%;
            padding: 40px;
            background: var(--bg-light);
            border-radius: 20px;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }
        .old-browser .feature-card > div:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border-color: var(--primary);
            background: var(--white);
        }
        .feature-card {
            padding: 40px;
            background: var(--bg-light);
            border-radius: 20px;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border-color: var(--primary);
            background: var(--white);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 24px;
        }
        .feature-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .feature-card p {
            color: var(--text-gray);
            font-size: 15px;
        }
        .stats-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 80px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }
        .stats-item h2 {
            font-size: 56px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .stats-item p {
            font-size: 16px;
            opacity: 0.9;
        }
        .products {
            background: var(--bg-light);
        }
        .products-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }
        .product-card {
            background: var(--white);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
        }
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
        }
        .product-image {
            height: 280px;
            position: relative;
            overflow: hidden;
        }
        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .product-card:hover .product-image img {
            transform: scale(1.05);
        }
        .product-image i {
            position: absolute;
            top: 20px;
            left: 20px;
            width: 60px;
            height: 60px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            z-index: 1;
        }
        .product-content {
            padding: 30px;
        }
        .product-content h3 {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .product-content p {
            color: var(--text-gray);
            margin-bottom: 20px;
        }
        .product-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .product-features span {
            padding: 6px 14px;
            background: var(--bg-light);
            border-radius: 50px;
            font-size: 13px;
            color: var(--text-dark);
        }

        .download-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            max-width: 800px;
            margin: 0 auto;
        }
        /* 旧版本浏览器兼容 */
        .old-browser .download-grid {
            display: flex;
            flex-wrap: wrap;
            padding: 0 15px;
            max-width: 800px;
            margin: 0 auto;
        }
        .old-browser .download-item {
            flex: 0 0 50%;
            padding: 0 15px;
            margin-bottom: 30px;
            box-sizing: border-box;
        }
        .old-browser .download-item > div {
            height: 100%;
            background: var(--white);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        .old-browser .download-item > div:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        .download-item {
            background: var(--white);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        .download-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        .download-icon {
            font-size: 48px;
            margin-bottom: 20px;
            color: var(--primary);
        }
        .download-item h3 {
            margin-bottom: 10px;
            color: var(--text-dark);
        }
        .download-item p {
            color: var(--text-gray);
            margin-bottom: 20px;
        }
        .download-item .btn {
            width: 100%;
        }

        .testimonials {
            background: var(--bg-light);
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .testimonial-card {
            background: var(--white);
            padding: 35px;
            border-radius: 20px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }
        .testimonial-content {
            font-size: 16px;
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 25px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .author-avatar {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 18px;
        }
        .author-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .author-info p {
            font-size: 13px;
            color: var(--text-gray);
        }
        /* 支付渠道 */
        .payment-channels {
            background: var(--bg-light);
            padding: 80px 0;
        }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .payment-item {
            background: var(--white);
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }
        .payment-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            border-color: var(--primary);
        }
        .payment-item i {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .payment-item h4 {
            font-size: 14px;
            color: var(--text-dark);
            font-weight: 500;
        }
        
        .partners {
            background: var(--white);
            padding: 60px 0;
        }
        .partners-title {
            text-align: center;
            font-size: 16px;
            color: var(--text-gray);
            margin-bottom: 40px;
        }
        .partners-grid {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 60px;
            flex-wrap: wrap;
        }
        .partner-logo {
            font-size: 28px;
            font-weight: 700;
            color: #ccc;
            transition: all 0.3s;
            cursor: default;
        }
        .partner-logo:hover {
            color: var(--primary);
        }
        .cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            text-align: center;
            padding: 100px 0;
        }
        .cta h2 {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .cta p {
            font-size: 18px;
            opacity: 0.9;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta .btn {
            background: white;
            color: var(--primary);
            font-weight: 600;
        }
        .cta .btn:hover {
            background: var(--bg-light);
            transform: translateY(-2px);
        }
        .footer {
            background: var(--secondary);
            color: white;
            padding: 100px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), #7b68ee);
        }
        .footer::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 50% 50%, rgba(67, 184, 254, 0.05), transparent 70%);
            pointer-events: none;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 80px;
            margin-bottom: 60px;
            position: relative;
            z-index: 1;
        }
        .footer-links-container {
            display: contents;
        }
        /* 旧版本浏览器兼容 */
        .old-browser .footer-grid {
            display: block;
            padding: 0 15px;
        }
        .old-browser .footer-brand {
            margin-bottom: 40px;
        }
        .old-browser .footer-links-container {
            display: block;
        }
        .old-browser .footer-links-container > div {
            display: inline-block;
            vertical-align: top;
            width: 30%;
            margin-right: 3%;
            margin-bottom: 30px;
        }
        .old-browser .footer-links-container > div:last-child {
            margin-right: 0;
        }
        /* 确保footer-links在旧版本浏览器中正确显示 */
        .old-browser .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .old-browser .footer-links li {
            margin-bottom: 10px;
        }
        .old-browser .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 4px 8px;
            border-radius: 6px;
            position: relative;
            overflow: hidden;
            font-weight: 500;
        }
        .old-browser .footer-links a:hover {
            color: white;
            background: rgba(67, 184, 254, 0.1);
            transform: translateY(-2px);
        }
        /* 为非常旧的浏览器添加额外兼容 */
        .old-browser .footer-bottom {
            clear: both;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 35px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            position: relative;
            z-index: 1;
        }
        .old-browser .footer-bottom p {
            margin: 0;
            line-height: 1.4;
        }
        .old-browser .footer-bottom .copyright {
            font-weight: 500;
            letter-spacing: 0.5px;
            color: rgba(67, 184, 254, 0.7);
            margin-bottom: 8px;
        }
        .old-browser .footer-bottom .icp {
            font-size: 12px;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.6);
        }
        .old-browser .footer-bottom .legal {
            font-size: 12px;
            opacity: 0.6;
        }
        .footer-brand {
            position: relative;
        }
        .footer-brand .logo {
            font-size: 28px;
            margin-bottom: 20px;
            color: white;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .footer-brand .logo::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.8), transparent);
            transform: translateX(-100%) rotate(45deg);
            animation: logoShine 3s ease-in-out infinite;
            z-index: 0;
            pointer-events: none;
        }
        .footer-brand .logo-icon {
            font-size: 24px;
            color: var(--primary);
            text-shadow: 0 0 15px rgba(67, 184, 254, 0.5);
            width: 40px;
            height: 40px;
            border: 2px solid var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(67, 184, 254, 0.1), rgba(67, 184, 254, 0.05));
            position: relative;
            z-index: 1;
        }
        .footer-brand .logo span {
            position: relative;
            z-index: 1;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            margin-top: 25px;
            font-size: 14px;
            line-height: 1.8;
            max-width: 350px;
            background: rgba(255, 255, 255, 0.03);
            padding: 16px 20px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 30px;
            color: white;
            position: relative;
            display: inline-block;
            padding-bottom: 8px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .footer h4:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--primary);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 15px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 4px 8px;
            border-radius: 6px;
            position: relative;
            overflow: hidden;
            font-weight: 500;
        }
        .footer-links a:hover {
            color: white;
            background: rgba(67, 184, 254, 0.1);
            transform: translateY(-2px);
        }
        .footer-links a:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(67, 184, 254, 0.3), transparent);
            transition: left 0.5s ease;
        }
        .footer-links a:hover:before {
            left: 100%;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 35px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            position: relative;
            z-index: 1;
        }
        .footer-bottom p {
            margin: 0;
            line-height: 1.4;
        }
        .footer-bottom .copyright {
            font-weight: 500;
            letter-spacing: 0.5px;
            color: rgba(67, 184, 254, 0.7);
            margin-bottom: 8px;
        }
        .footer-bottom .icp {
            font-size: 12px;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom .legal {
            font-size: 12px;
            opacity: 0.6;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }
        .contact-card {
            background: var(--white);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .contact-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        .contact-card h3 {
            font-size: 20px;
            margin-bottom: 30px;
            color: var(--text-dark);
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            background: rgba(67, 184, 254, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }
        .contact-details h4 {
            font-size: 14px;
            color: var(--text-gray);
            margin-bottom: 5px;
        }
        .contact-details p {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(67, 184, 254, 0.1);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }
        .contact-form button {
            width: 100%;
        }
        @media (max-width: 992px) {
            .hero .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-content h1 {
                font-size: 42px;
            }
            .hero-content p {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
            }
            .hero-image {
                width: 100%;
                max-width: 900px;
                margin: 0 auto;
            }
            .features-grid,
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .products-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            /* 基础样式优化 */
            .container {
                padding: 0 12px;
            }
            body {
                font-size: 14px;
                line-height: 1.5;
            }
            
            /* 导航栏优化 */
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
                font-size: 18px;
                padding: 3px 6px;
                margin-left: 6px;
                min-width: 28px;
                min-height: 28px;
                align-items: center;
                justify-content: center;
            }
            .mobile-nav {
                display: block;
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background: white;
                padding: 20px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                z-index: 999;
                transform: translateY(-120%);
                transition: transform 0.3s ease, opacity 0.3s ease;
                opacity: 0;
            }
            .mobile-nav.active {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-actions {
                display: flex;
                align-items: center;
                gap: 4px;
            }
            .nav-actions .btn {
                padding: 5px 8px;
                font-size: 10px;
                min-height: 30px;
                border-radius: 5px;
                white-space: nowrap;
            }
            .navbar {
                padding: 4px 0;
            }
            .logo {
                font-size: 16px;
            }
            .logo-img {
                width: 24px;
                height: 24px;
            }
            .nav-actions .btn:first-child {
                margin-right: 2px;
            }
            .nav-actions .btn:last-child {
                margin-right: 0;
                margin-left: 4px;
            }
            
            /* 英雄区优化 */
            .hero {
                padding-top: 65px;
                min-height: 500px;
            }
            .hero-content {
                text-align: center;
            }
            .hero-content h1 {
                font-size: 24px;
                line-height: 1.2;
                margin-bottom: 16px;
            }
            .hero-content p {
                font-size: 14px;
                line-height: 1.5;
                margin-bottom: 25px;
                padding: 0 8px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 12px;
                align-items: center;
            }
            .hero-buttons .btn {
                width: 90%;
                max-width: 200px;
                padding: 12px 28px;
                font-size: 14px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
                margin-top: 30px;
            }
            .hero-image {
                margin-top: 40px;
                width: 100%;
                max-width: 100%;
            }
            .hero-img-wrapper {
                padding: 0;
                border-radius: 16px;
            }
            .hero-img-inner {
                min-height: 250px;
                border-radius: 12px;
            }
            .hero-img-inner img {
                min-height: 250px;
            }
            
            /* 通用区块优化 */
            .section {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 30px;
            }
            .section-title {
                font-size: 22px;
                text-align: center;
                line-height: 1.2;
            }
            .section-desc {
                text-align: center;
                font-size: 14px;
                line-height: 1.5;
                padding: 0 8px;
            }
            
            /* 功能介绍优化 */
            .features-grid,
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-card {
                padding: 20px 12px;
                text-align: center;
            }
            .feature-icon {
                margin: 0 auto 16px;
                width: 45px;
                height: 45px;
                font-size: 20px;
            }
            .feature-card h3 {
                font-size: 16px;
                margin-bottom: 8px;
            }
            .feature-card p {
                font-size: 12px;
            }
            
            /* 数据统计优化 */
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-item {
                text-align: center;
                padding: 15px 8px;
            }
            .stats-item h2 {
                font-size: 30px;
            }
            .stats-item p {
                font-size: 12px;
            }
            
            /* 行业案例优化 */
            .products-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .product-card {
                text-align: center;
            }
            .product-image {
                height: 160px;
            }
            .product-content {
                padding: 16px;
            }
            .product-content h3 {
                font-size: 16px;
                margin-bottom: 8px;
            }
            .product-content p {
                font-size: 12px;
                margin-bottom: 12px;
            }
            
            /* 下载中心优化 */
            .download-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .download-item {
                text-align: center;
                padding: 20px 12px;
            }
            .download-icon {
                font-size: 36px;
                margin-bottom: 12px;
            }
            .download-item h3 {
                font-size: 14px;
                margin-bottom: 6px;
            }
            .download-item p {
                font-size: 12px;
                margin-bottom: 12px;
            }
            .download-item .btn {
                padding: 10px 20px;
                font-size: 12px;
            }
            
            /* 客服中心优化 */
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .contact-card {
                padding: 20px 12px;
            }
            .contact-card h3 {
                font-size: 16px;
                margin-bottom: 16px;
            }
            .contact-item {
                gap: 10px;
                padding: 12px;
            }
            .contact-icon {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
            .contact-details h4 {
                font-size: 12px;
                margin-bottom: 3px;
            }
            .contact-details p {
                font-size: 14px;
            }
            .wechat-qr-section {
                padding: 20px 12px;
            }
            .wechat-qr-section h3 {
                font-size: 16px;
                margin-bottom: 16px;
            }
            .wechat-qr-section img {
                width: 130px;
                height: 130px;
            }
            
            /* 支付渠道优化 */
            .payment-channels {
                padding: 40px 0;
            }
            .payment-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .payment-item {
                padding: 16px 8px;
                text-align: center;
            }
            .payment-item i {
                font-size: 24px;
                margin-bottom: 8px;
            }
            .payment-item h4 {
                font-size: 12px;
            }
            
            /* 合作伙伴优化 */
            .partners {
                padding: 30px 0;
            }
            .partners-title {
                font-size: 12px;
                margin-bottom: 20px;
            }
            .partners-grid {
                gap: 30px;
            }
            .partner-logo {
                font-size: 18px;
            }
            
            /* 行动召唤优化 */
            .cta {
                padding: 60px 0;
            }
            .cta h2 {
                font-size: 20px;
                text-align: center;
                padding: 0 8px;
            }
            .cta p {
                text-align: center;
                font-size: 12px;
                padding: 0 8px;
            }
            
            /* 底部导航优化 */
            .footer {
                padding: 24px 0 16px;
                background: #1a1a2e !important;
                position: relative;
                overflow: hidden;
            }
            .footer::before {
                content: '';
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                height: 3px;
                background: linear-gradient(90deg, var(--primary), #7b68ee);
            }
            .footer::after {
                content: '';
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: radial-gradient(circle at 50% 50%, rgba(67, 184, 254, 0.05), transparent 70%);
                pointer-events: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
                position: relative;
                z-index: 1;
            }
            .footer-brand {
                order: 1;
                padding: 0 16px;
            }
            .footer-brand .logo {
                font-size: 18px !important;
                margin-bottom: 12px;
                color: white;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                padding: 8px 16px;
                background: rgba(67, 184, 254, 0.1);
                border-radius: 16px;
                border: 1px solid rgba(67, 184, 254, 0.3);
                transition: all 0.3s ease;
                box-shadow: 0 4px 12px rgba(67, 184, 254, 0.15);
            }
            .footer-brand .logo:hover {
                background: rgba(67, 184, 254, 0.2);
                transform: translateY(-2px);
                box-shadow: 0 6px 16px rgba(67, 184, 254, 0.25);
            }
            .footer-brand .logo-icon {
                font-size: 20px !important;
                margin-right: 8px !important;
                color: var(--primary);
                text-shadow: 0 0 10px rgba(67, 184, 254, 0.5);
            }
            .footer-brand p {
                font-size: 12px;
                padding: 0 16px;
                line-height: 1.6;
                color: rgba(255, 255, 255, 0.7);
                max-width: 320px;
                margin: 0 auto;
                background: rgba(255, 255, 255, 0.03);
                padding: 10px 16px;
                border-radius: 10px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .footer-links-container {
                order: 2;
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
                max-width: 100%;
                margin: 0 auto;
                padding: 0 12px;
            }
            .footer-links {
                text-align: center;
                background: rgba(255, 255, 255, 0.03);
                padding: 10px 8px;
                border-radius: 10px;
                border: 1px solid rgba(255, 255, 255, 0.08);
                transition: all 0.3s ease;
            }
            .footer-links:hover {
                background: rgba(67, 184, 254, 0.08);
                border-color: rgba(67, 184, 254, 0.25);
                transform: translateY(-2px);
            }
            .footer h4 {
                font-size: 12px;
                margin-bottom: 6px;
                color: white;
                position: relative;
                display: inline-block;
                padding-bottom: 2px;
                font-weight: 600;
                text-transform: uppercase;
                letter-spacing: 0.5px;
            }
            .footer h4:after {
                content: '';
                position: absolute;
                bottom: 0;
                left: 50%;
                transform: translateX(-50%);
                width: 8px;
                height: 2px;
                background: var(--primary);
                border-radius: 1px;
                box-shadow: 0 0 6px var(--primary);
            }
            .footer-links li {
                margin-bottom: 4px;
                text-align: center;
            }
            .footer-links a {
                font-size: 11px;
                color: rgba(255, 255, 255, 0.7);
                transition: all 0.3s ease;
                display: inline-block;
                padding: 3px 6px;
                border-radius: 4px;
                position: relative;
                overflow: hidden;
                font-weight: 500;
            }
            .footer-links a:hover {
                color: white;
                background: rgba(67, 184, 254, 0.15);
                transform: translateY(-1px);
            }
            .footer-links a:before {
                content: '';
                position: absolute;
                top: 0;
                left: -100%;
                width: 100%;
                height: 100%;
                background: linear-gradient(90deg, transparent, rgba(67, 184, 254, 0.3), transparent);
                transition: left 0.5s ease;
            }
            .footer-links a:hover:before {
                left: 100%;
            }
            .footer-bottom {
                order: 3;
                flex-direction: column;
                gap: 6px;
                text-align: center;
                font-size: 10px;
                margin-top: 16px;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                color: rgba(255, 255, 255, 0.5);
                position: relative;
                z-index: 1;
            }
            .footer-bottom p {
                margin: 0;
                line-height: 1.5;
            }
            .footer-bottom .copyright {
                font-weight: 600;
                letter-spacing: 0.5px;
                color: rgba(67, 184, 254, 0.8);
            }
            .footer-bottom .icp {
                font-size: 10px;
                margin: 4px 0;
                color: rgba(255, 255, 255, 0.6);
            }
            .footer-bottom .legal {
                font-size: 9px;
                opacity: 0.7;
            }
            
            /* 响应式调整 */
            @media (max-width: 360px) {
                .footer {
                    padding: 20px 0 14px;
                }
                .footer-links-container {
                    gap: 8px;
                    padding: 0 10px;
                }
                .footer-links {
                    width: 90px;
                    padding: 8px;
                }
                .footer-brand .logo {
                    font-size: 16px !important;
                    padding: 6px 12px;
                }
                .footer-brand .logo-icon {
                    font-size: 18px !important;
                    margin-right: 6px !important;
                }
                .footer-brand p {
                    font-size: 10px;
                    padding: 8px 12px;
                }
                .footer h4 {
                    font-size: 10px;
                    margin-bottom: 5px;
                }
                .footer-links a {
                    font-size: 9px;
                    padding: 2px 4px;
                }
                .footer-bottom {
                    margin-top: 14px;
                    padding-top: 12px;
                }
            }
            
            /* 平板设备响应式调整 */
            @media (min-width: 1400px) {
            .hero .container {
                max-width: 1500px;
                gap: 120px;
            }
            .hero {
                padding: 100px 40px 60px;
            }
            .hero-content {
                max-width: 650px;
            }
            .hero-image {
                width: 100%;
                max-width: 950px;
            }
            .hero-img-inner {
                min-height: 450px;
            }
            .hero-img-inner img {
                min-height: 450px;
            }
            .hero-content h1 {
                font-size: 68px;
            }
            .hero-content p {
                font-size: 24px;
                max-width: 600px;
            }
            .hero-stats {
                gap: 70px;
            }
            .stat-number {
                font-size: 52px;
            }
        }
        
        @media (min-width: 1920px) {
            .hero .container {
                max-width: 1600px;
                gap: 140px;
            }
            .hero {
                padding: 100px 60px 60px;
            }
            .hero-content {
                max-width: 750px;
            }
            .hero-image {
                width: 100%;
                max-width: 1050px;
            }
            .hero-img-inner {
                min-height: 500px;
            }
            .hero-img-inner img {
                min-height: 500px;
            }
            .hero-content h1 {
                font-size: 72px;
            }
            .hero-content p {
                font-size: 26px;
                max-width: 650px;
            }
            .hero-stats {
                gap: 80px;
            }
            .stat-number {
                font-size: 56px;
            }
        }
        
        @media (min-width: 769px) and (max-width: 1024px) {
                .footer-links-container {
                    justify-content: center;
                }
                .footer-links {
                    width: 120px;
                    padding: 12px;
                }
                .footer h4 {
                    font-size: 11px;
                }
                .footer-links a {
                    font-size: 10px;
                }
            }
            
            /* 触摸反馈优化 */
            .footer-links a {
                -webkit-tap-highlight-color: rgba(67, 184, 254, 0.3);
            }
            .footer-links a:active {
                transform: scale(0.95);
            }
            
            /* 按钮优化 */
            .btn {
                padding: 12px 24px;
                font-size: 14px;
                min-height: 44px;
                min-width: 44px;
            }
            
            /* 表单优化 */
            .form-group input,
            .form-group textarea {
                padding: 14px 16px;
                font-size: 16px;
                min-height: 44px;
            }
            .form-group textarea {
                min-height: 100px;
            }
            
            /* 悬浮按钮优化 */
            .scroll-top {
                right: 16px;
                bottom: 16px;
                width: 44px;
                height: 44px;
                font-size: 18px;
            }
            
            /* 客服中心优化 */
            .contact-grid {
                display: flex !important;
                flex-direction: column !important;
                gap: 12px !important;
                margin-bottom: 12px !important;
            }
            
            /* 联系信息卡片 */
            .contact-card {
                order: 3 !important;
                padding: 0 !important;
                border-radius: 12px !important;
                overflow: hidden !important;
                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05) !important;
                background: var(--white) !important;
            }
            .contact-card h3 {
                background: var(--primary) !important;
                color: white !important;
                padding: 12px 16px !important;
                margin: 0 !important;
                font-size: 14px !important;
                border-radius: 0 !important;
            }
            .contact-card h3 span {
                display: none !important;
            }
            .contact-info {
                padding: 12px 16px !important;
                display: flex !important;
                flex-direction: column !important;
                gap: 8px !important;
            }
            .contact-item {
                gap: 8px !important;
                padding: 8px !important;
                margin-bottom: 0 !important;
                border-radius: 6px !important;
                transition: all 0.2s ease;
                display: flex !important;
                align-items: center !important;
                background: rgba(67, 184, 254, 0.03) !important;
            }
            .contact-item:active {
                transform: scale(0.98);
                background: rgba(67, 184, 254, 0.1);
            }
            .contact-icon {
                width: 32px !important;
                height: 32px !important;
                font-size: 12px !important;
                margin-right: 8px !important;
                flex-shrink: 0 !important;
                background: rgba(67, 184, 254, 0.1) !important;
            }
            .contact-details {
                flex: 1 !important;
            }
            .contact-details h4 {
                font-size: 10px !important;
                margin-bottom: 2px !important;
                color: #666 !important;
            }
            .contact-details p {
                font-size: 12px !important;
                font-weight: 500 !important;
            }
            
            /* 留言咨询卡片 */
            .contact-card:nth-child(2) {
                order: 1 !important;
                padding: 0 !important;
                overflow: hidden !important;
            }
            .contact-card:nth-child(2) h3 {
                background: var(--primary) !important;
                color: white !important;
                padding: 12px 16px !important;
                margin: 0 !important;
                font-size: 14px !important;
                border-radius: 0 !important;
            }
            .contact-form {
                padding: 12px 16px !important;
            }
            .form-group {
                margin-bottom: 8px !important;
            }
            .form-group label {
                font-size: 10px !important;
                margin-bottom: 4px !important;
                font-weight: 600 !important;
            }
            .form-group input,
            .form-group textarea {
                padding: 8px 10px !important;
                font-size: 12px !important;
                border-radius: 4px !important;
                border-width: 1px !important;
                background: #f9f9f9 !important;
            }
            .form-group textarea {
                min-height: 60px !important;
            }
            .contact-form button {
                padding: 8px !important;
                font-size: 12px !important;
                border-radius: 4px !important;
                margin-top: 4px !important;
                width: 100% !important;
            }
            
            /* 微信扫码咨询卡片 */
            .wechat-qr-section {
                order: 2 !important;
                padding: 0 !important;
                border-radius: 12px !important;
                overflow: hidden !important;
                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05) !important;
                background: var(--white) !important;
                margin-top: 0 !important;
            }
            .wechat-qr-section h3 {
                background: var(--primary) !important;
                color: white !important;
                padding: 12px 16px !important;
                margin: 0 !important;
                font-size: 14px !important;
                border-radius: 0 !important;
                text-align: left !important;
            }
            .wechat-qr-section > div {
                padding: 16px !important;
                text-align: center !important;
            }
            .wechat-qr-section img {
                width: 110px !important;
                height: 110px !important;
            }
            .wechat-qr-section p {
                font-size: 10px !important;
                margin-top: 10px !important;
                padding: 0 8px;
                color: #666 !important;
            }
            
            /* 响应式调整 */
            .section-title {
                font-size: 18px !important;
                text-align: center !important;
            }
            .section-desc {
                font-size: 12px !important;
                margin-bottom: 20px !important;
                text-align: center !important;
                padding: 0 16px !important;
            }
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: white;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            z-index: 999;
            transform: translateY(-100%);
            transition: transform 0.3s ease, opacity 0.3s ease;
            opacity: 0;
        }
        .mobile-nav.active {
            display: block;
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav a {
            display: block;
            padding: 18px 0;
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border-radius: 8px;
            padding-left: 15px;
        }
        .mobile-nav a:hover {
            background: rgba(67, 184, 254, 0.1);
            color: var(--primary);
            padding-left: 20px;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav .nav-divider {
            height: 1px;
            background: rgba(0, 0, 0, 0.1);
            margin: 15px 0;
        }
        .mobile-nav .nav-buttons {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            padding: 12px 0;
        }
        .mobile-nav .nav-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 28px;
            text-align: center;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            margin: 0;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 3px 12px rgba(67, 184, 254, 0.35);
        }
        .mobile-nav .nav-button i {
            font-size: 14px;
        }
        .mobile-nav .nav-button.primary {
            background: linear-gradient(135deg, #43b8fe 0%, #2196f3 50%, #1976d2 100%);
            color: white;
            border: none;
            box-shadow: 0 4px 15px rgba(67, 184, 254, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
        }
        .mobile-nav .nav-button.primary:hover {
            background: linear-gradient(135deg, #2196f3 0%, #1976d2 50%, #1565c0 100%);
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 6px 20px rgba(67, 184, 254, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
        }
        .mobile-nav .nav-button.primary:active {
            transform: translateY(-1px) scale(0.98);
            box-shadow: 0 2px 8px rgba(67, 184, 254, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }
        .mobile-nav .nav-button.secondary {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            color: var(--text-dark);
            border: 2px solid #dee2e6;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        .mobile-nav .nav-button.secondary:hover {
            background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 6px 20px rgba(67, 184, 254, 0.2);
        }
        .mobile-nav .nav-button.secondary:active {
            transform: translateY(-1px) scale(0.98);
            background: rgba(67, 184, 254, 0.05);
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            font-size: 20px;
            opacity: 0;
            transition: all 0.3s;
            z-index: 99;
        }
        .scroll-top.visible {
            opacity: 1;
        }
        .scroll-top:hover {
            background: var(--primary-dark);
            transform: translateY(-5px);
        }

        @media (max-width: 768px) {
        }
        
        /* 移动端底部导航栏 */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 90%;
            max-width: 350px;
            background: white;
            box-shadow: 0 -4px 25px rgba(0, 0, 0, 0.12);
            z-index: 1000;
            padding: 3px 8px;
            padding-bottom: max(3px, env(safe-area-inset-bottom));
            border-radius: 20px 20px 0 0;
        }
        .mobile-bottom-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: var(--text-gray);
            font-size: 8px;
            padding: 1px 3px;
            border-radius: 10px;
            transition: all 0.3s ease;
            min-width: 35px;
            max-width: 50px;
        }
        .mobile-bottom-nav a:active {
            transform: scale(0.95);
        }
        .mobile-bottom-nav a i {
            font-size: 14px;
            margin-bottom: 1px;
            color: var(--text-gray);
            transition: color 0.3s ease;
        }
        .mobile-bottom-nav a span {
            font-size: 8px;
            font-weight: 500;
        }
        .mobile-bottom-nav a:hover,
        .mobile-bottom-nav a.active {
            color: var(--primary);
            background: rgba(67, 184, 254, 0.15);
            transform: scale(1.05);
        }
        .mobile-bottom-nav a:hover i,
        .mobile-bottom-nav a.active i {
            color: var(--primary);
        }


        
        @media (max-width: 768px) {
            .mobile-bottom-nav {
                display: flex;
                justify-content: space-around;
                align-items: center;
            }
            .scroll-top {
                display: none !important;
            }
            .footer {
                padding-bottom: 45px !important;
            }
        }