* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
            background: #fafcff;
            color: #24324a;
            line-height: 1.6;
            padding-top: 64px;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1002;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #eaf0f8;
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 600;
            color: #24324a;
        }
        .logo img {
            width: 32px;
            height: 32px;
            border-radius: 6px;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a {
            padding: 8px 16px;
            font-size: 14px;
            color: #5b6f93;
            border-radius: 8px;
            transition: all .2s;
        }
        .nav a:hover,
        .nav a.active {
            color: #1677ff;
            background: #e6f4ff;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            padding: 8px 20px;
            font-size: 14px;
            color: #5b6f93;
            border-radius: 8px;
            transition: all .2s;
        }
        .btn-login:hover {
            color: #1890ff;
            background: #f0f7ff;
        }
        .btn-register {
            padding: 8px 20px;
            font-size: 14px;
            color: #fff !important;
            background: linear-gradient(135deg, #1e9fff, #1677ff);
            border-radius: 8px;
            transition: all .2s;
        }
        .btn-register:hover {
            opacity: .92;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(24, 144, 255, .32);
            color: #fff !important;
        }
        .btn-register:active {
            color: #fff !important;
            opacity: 0.95;
            transform: translateY(0px);
        }

        /* 用户菜单（桌面端 hover 展开） */
        .user-menu {
            position: relative;
        }
        .user-menu-trigger {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            color: #24324a;
            border-radius: 8px;
            cursor: pointer;
            transition: all .2s;
        }
        .user-menu-trigger:hover {
            background: #f0f6ff;
        }
        .user-menu-trigger .avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1e9fff, #2679ff);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
        }
        .user-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 8px;
            min-width: 140px;
            background: #fff;
            border: 1px solid #eaf0f8;
            border-radius: 10px;
            box-shadow: 0 8px 24px rgba(36, 66, 113, .1);
            padding: 6px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all .2s;
            z-index: 10;
        }
        .user-menu:hover .user-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .user-dropdown a {
            display: block;
            padding: 10px 14px;
            font-size: 14px;
            color: #5b6f93;
            border-radius: 6px;
            transition: all .15s;
        }
        .user-dropdown a:hover {
            color: #1677ff;
            background: #f0f7ff;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #5b6f93;
            cursor: pointer;
            border-radius: 8px;
            transition: all .2s;
        }
        .mobile-menu-btn:hover {
            background: #f0f6ff;
        }
        .mobile-mask {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, .35);
            opacity: 0;
            visibility: hidden;
            transition: .3s;
            z-index: 1003;
        }
        .mobile-mask.show {
            opacity: 1;
            visibility: visible;
        }
        .mobile-sidebar {
            position: fixed;
            top: 0;
            left: -280px;
            width: 280px;
            height: 100vh;
            background: #fff;
            display: flex;
            flex-direction: column;
            padding: 20px;
            gap: 4px;
            box-sizing: border-box;
            transition: .3s ease;
            z-index: 1004;
            box-shadow: 5px 0 20px rgba(0, 0, 0, .12);
            overflow-y: auto;
        }
        .mobile-sidebar.mobile-show {
            left: 0;
        }
        .mobile-sidebar a {
            display: block;
            width: 100%;
            padding: 14px 16px;
            box-sizing: border-box;
            border-radius: 8px;
            font-size: 15px;
            color: #5b6f93;
            transition: all .2s;
        }
        .mobile-sidebar a:hover,
        .mobile-sidebar a.active {
            color: #1890ff;
            background: #f0f7ff;
        }

        /* 移动端用户区 */
        .mobile-user-section {
            padding: 0 0 16px;
            margin-bottom: 8px;
            border-bottom: 1px solid #f0f4fa;
        }
        .mobile-user-info {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 16px;
            border-radius: 8px;
            cursor: pointer;
            transition: background .2s;
        }
        .mobile-user-info:hover {
            background: #f0f7ff;
        }
        .mobile-user-info .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1e9fff, #2679ff);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 500;
            flex-shrink: 0;
        }
        .mobile-user-info .name {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
            color: #24324a;
        }
        .mobile-user-info .arrow {
            font-size: 12px;
            color: #8b9ab3;
            transition: transform .2s;
        }
        .mobile-user-info.open .arrow {
            transform: rotate(180deg);
        }
        .mobile-user-links {
            max-height: 0;
            overflow: hidden;
            transition: max-height .25s ease;
        }
        .mobile-user-links.open {
            max-height: 200px;
        }
        .mobile-user-links a {
            padding: 12px 16px 12px 68px;
            font-size: 14px;
        }

        /* 移动端登录注册按钮 */
        .mobile-auth-btns {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 0 0 16px;
            margin-bottom: 8px;
            border-bottom: 1px solid #f0f4fa;
        }
        .mobile-auth-btns a {
            display: block;
            width: 100%;
            height: 42px;
            line-height: 42px;
            text-align: center;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            padding: 0;
            transition: all .2s;
        }
        .mobile-auth-btns .btn-login-mobile {
            color: #5b6f93;
            background: #f6f9ff;
            border: 1px solid #eaf0f8;
        }
        .mobile-auth-btns .btn-login-mobile:hover {
            background: #f0f6ff;
        }
        .mobile-auth-btns .btn-register-mobile {
            color: #fff;
            background: linear-gradient(135deg, #1e9fff, #2679ff);
            border: none;
        }
        .mobile-auth-btns .btn-register-mobile:hover {
            opacity: .9;
        }
        /*body.menu-lock,*/
        /*html.menu-lock {*/
        /*    overflow: hidden;*/
        /*}*/
        .mobile-sidebar {
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
            overscroll-behavior: contain;
        }
        .mobile-mask {
            overscroll-behavior: contain;
        }
        .hero {
            background: radial-gradient(circle at 20% 0%, #eef5ff 0%, #f6f9ff 34%, #f8fafd 65%, #f5f7fb 100%);
            padding: 80px 24px 100px;
            overflow: hidden;
        }
        .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .hero-content {
            flex: 1;
            min-width: 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: #e6f4ff;
            color: #1890ff;
            font-size: 13px;
            border-radius: 20px;
            margin-bottom: 20px;
        }
        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #1890ff;
            border-radius: 50%;
        }
        .hero-title {
            font-size: 48px;
            font-weight: 700;
            color: #24324a;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, #1e9fff, #2679ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 17px;
            color: #5b6f93;
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 520px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 500;
            color: #fff;
            background: linear-gradient(135deg, #1e9fff, #2679ff);
            border-radius: 10px;
            transition: all .25s;
            box-shadow: 0 4px 16px rgba(38, 121, 255, .25);
            text-decoration: none; /* 顺便去掉a标签下划线 */
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(38, 121, 255, .35);
            color: #ffffff !important; /* 强制文字保持白色 */
        }
        .btn-primary:active{
            transform: translateY(0px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 500;
            color: #1890ff;
            background: #fff;
            border: 1px solid #d7e7ff;
            border-radius: 10px;
            transition: all .25s;
        }
        .btn-secondary:hover {
            background: #f0f7ff;
            border-color: #8fc6ff;
            color: #1677ff;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-num {
            font-size: 28px;
            font-weight: 700;
            color: #24324a;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 13px;
            color: #8b9ab3;
            margin-top: 4px;
        }
        .hero-visual {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
        }
        .hero-card {
            width: 100%;
            max-width: 460px;
            background: #fff;
            border: 1px solid #eaf0f8;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(36, 66, 113, .12);
            overflow: hidden;
            transform: perspective(1000px) rotateY(-5deg) rotateX(3deg);
            transition: transform .5s;
        }
        .hero-card:hover {
            transform: perspective(1000px) rotateY(0) rotateX(0);
        }
        .hero-card-header {
            padding: 16px 20px;
            border-bottom: 1px solid #f0f4fa;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-card-dots {
            display: flex;
            gap: 6px;
        }
        .hero-card-dots span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #eaf0f8;
        }
        .hero-card-dots span:nth-child(1) { background: #ff5f57; }
        .hero-card-dots span:nth-child(2) { background: #ffbd2e; }
        .hero-card-dots span:nth-child(3) { background: #27c93f; }
        .hero-card-url {
            flex: 1;
            height: 28px;
            background: #f6f9ff;
            border-radius: 6px;
            margin-left: 10px;
        }
        .hero-card-body {
            padding: 24px 20px;
        }
        .hero-card-input {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hero-card-input input {
            flex: 1;
            height: 42px;
            padding: 0 14px;
            border: 1px solid #eaf0f8;
            border-radius: 8px;
            font-size: 14px;
            background: #fafcff;
            outline: none;
        }
        .hero-card-input button {
            padding: 0 20px;
            height: 42px;
            background: linear-gradient(135deg, #1e9fff, #2679ff);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            cursor: pointer;
            white-space: nowrap;
        }
        .hero-card-result {
            background: #f6faff;
            border: 1px solid #dbe9ff;
            border-radius: 10px;
            padding: 14px 16px;
        }
        .hero-card-result-label {
            font-size: 12px;
            color: #8b9ab3;
            margin-bottom: 6px;
        }
        .hero-card-result-url {
            font-size: 15px;
            color: #1890ff;
            font-weight: 500;
            word-break: break-all;
        }
        .hero-card-stats {
            display: flex;
            gap: 20px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #f0f4fa;
        }
        .hero-card-stat {
            flex: 1;
            text-align: center;
        }
        .hero-card-stat-num {
            font-size: 20px;
            font-weight: 600;
            color: #24324a;
        }
        .hero-card-stat-label {
            font-size: 12px;
            color: #8b9ab3;
            margin-top: 2px;
        }
        .section {
            padding: 80px 24px;
        }
        .section-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-title {
            font-size: 36px;
            font-weight: 700;
            color: #24324a;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: #8b9ab3;
        }
        .features {
            background: #fff;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            padding: 32px 28px;
            background: #fafcff;
            border: 1px solid #eaf0f8;
            border-radius: 14px;
            transition: all .3s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(24, 144, 255, 0.12);
            border-color: #d1eaff;
            background: #fff;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #e6f4ff, #d1eaff);
            border-radius: 12px;
            font-size: 26px;
            color: #1890ff;
            margin-bottom: 20px;
        }
        .feature-icon i {
            font-size: 25px;
        }
        .feature-title {
            font-size: 18px;
            font-weight: 600;
            color: #24324a;
            margin-bottom: 12px;
        }
        .feature-desc {
            font-size: 14px;
            color: #5b6f93;
            line-height: 1.8;
        }
        .feature-desc p {
            margin-bottom: 4px;
        }
        .feature-desc p:last-child {
            margin-bottom: 0;
        }
        .pricing {
            background: radial-gradient(circle at 80% 100%, #eef5ff 0%, #f6f9ff 50%, #fff 100%);
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .pricing-card {
            background: #fff;
            border: 1px solid #eaf0f8;
            border-radius: 16px;
            padding: 36px 30px;
            transition: all .3s;
            position: relative;
            overflow: hidden;
        }
        .pricing-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(36, 66, 113, .12);
        }
        .pricing-card.featured {
            border-color: #2679ff;
            box-shadow: 0 8px 32px rgba(38, 121, 255, .15);
        }
        .pricing-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: -32px;
            width: 100px;
            /*height: 28px;*/
            background: linear-gradient(135deg, #1e9fff, #2679ff);
            color: #fff;
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            transform: rotate(45deg);
        }
        .pricing-name {
            font-size: 20px;
            font-weight: 600;
            color: #24324a;
            margin-bottom: 8px;
        }
        .pricing-desc {
            font-size: 13px;
            color: #8b9ab3;
            margin-bottom: 24px;
        }
        .pricing-price {
            margin-bottom: 28px;
        }
        .pricing-price .num {
            font-size: 42px;
            font-weight: 700;
            color: #1677ff;
        }
        .pricing-price .unit {
            font-size: 16px;
            color: #8b9ab3;
            margin-left: 4px;
        }
        .pricing-features {
            list-style: none;
            margin-bottom: 32px;
        }
        .pricing-features li {
            padding: 10px 0;
            font-size: 14px;
            color: #5b6f93;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            border-bottom: 1px dashed #f0f4fa;
        }
        .pricing-features li:last-child {
            border-bottom: none;
        }
        .pricing-features li::before {
            content: '✓';
            color: #52c41a;
            font-weight: 600;
            flex-shrink: 0;
            margin-top: 1px;
        }
        .pricing-features li.disabled {
            color: #c0c8d4;
            text-decoration: line-through;
        }
        .pricing-features li.disabled::before {
            content: '✕';
            color: #c0c8d4;
        }
        .pricing-btn {
            display: block;
            width: 100%;
            height: 46px;
            line-height: 46px;
            text-align: center;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            transition: all .2s;
        }
        .pricing-btn-outline {
            color: #1890ff !important;
            border: 1px solid #d1eaff;
            background: #fafcff;
            transition: all .25s;
        }
        .pricing-btn-outline:hover {
            color: #1677ff !important;
            background: #f0f7ff;
            border-color: #8fc6ff;
        }
        .pricing-btn-primary {
            color: #fff;
            background: linear-gradient(135deg, #1e9fff, #2679ff);
            box-shadow: 0 4px 16px rgba(38, 121, 255, .25);
            text-decoration: none;
        }
        .pricing-btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(38, 121, 255, .35);
            color: #fff;
        }
        .products {
            background: #fff;
        }
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .product-card {
            position: relative;
            background: #fff;
            border: 1px solid #edf2fa;
            border-radius: 20px;
            overflow: hidden;
            transition: all .35s ease;
        }
        .product-card:hover {
            transform: translateY(-8px);
            border-color: transparent;
            box-shadow:
                0 20px 50px rgba(36,66,113,.12);
        }
        .product-cover {
            height: 190px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background:
                radial-gradient(circle at 30% 20%,rgba(255,255,255,.8),transparent 35%),
                linear-gradient(135deg,#eef6ff,#dbeaff);
        }
        .product-cover::before {
            content:"";
            position:absolute;
            width:180px;
            height:180px;
            border-radius:50%;
            background:rgba(30,159,255,.12);
            filter:blur(10px);
        }
        .product-cover i {
            position:relative;
            z-index:1;
            width:90px;
            height:90px;
            display:flex;
            align-items:center;
            justify-content:center;
            border-radius:26px;
            font-size:46px !important;
            color:#1677ff;
            background: rgba(255,255,255,.65);
            backdrop-filter:blur(10px);
            box-shadow: 0 12px 30px rgba(22,119,255,.18);
            transition:.35s;
        }
        .product-card:hover .product-cover i {
            transform:
                scale(1.08)
                translateY(-5px);
        
            box-shadow:
                0 18px 40px rgba(22,119,255,.28);
        }
        .product-body {
            padding:26px 24px 28px;
        }
        .product-title {
            display:block;
            font-size:20px;
            font-weight:700;
            color:#24324a;
            margin-bottom:12px;
            transition:.25s;
        }
        .product-card:hover .product-title {
            color:#1677ff;
        }
        .product-desc {
            font-size:14px;
            line-height:1.8;
            color:#71829d;
        
        }
        .product-card:nth-child(1)
        .product-cover {
            background:
                radial-gradient(circle at 30% 20%,rgba(255,255,255,.8),transparent 35%),
                linear-gradient(135deg,#fff1f0,#ffd8d5);
        }
        .product-card:nth-child(1)
        .product-cover i {
            color:#ff4d4f;
            box-shadow: 0 12px 30px rgba(255,77,79,.18);
        }
        .product-card:nth-child(2)
        .product-cover {
            background:
                radial-gradient(circle at 30% 20%,rgba(255,255,255,.8),transparent 35%),
                linear-gradient(135deg,#f0fff4,#d8f5df);
        }
        .product-card:nth-child(2)
        .product-cover i {
            color:#52c41a;
            box-shadow: 0 12px 30px rgba(82,196,26,.18);
        }
        .product-card:nth-child(3)
        .product-cover {
            background:
            radial-gradient(circle at 30% 20%,rgba(255,255,255,.8),transparent 35%),
            linear-gradient(135deg,#f5f0ff,#e5d8ff);
        }
        .product-card:nth-child(3)
        .product-cover i {
            color:#722ed1;
            box-shadow: 0 12px 30px rgba(114,46,209,.18);
        }
        .cta {
            padding: 80px 24px;
            background: linear-gradient(135deg, #1e9fff 0%, #2679ff 100%);
            position: relative;
            overflow: hidden;
        }
        .cta::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }
        .cta::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, .06);
            border-radius: 50%;
        }
        .cta-inner {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 36px;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 40px;
            font-size: 17px;
            font-weight: 500;
            color: #1890ff;
            background: #fff;
            border-radius: 12px;
            transition: all .25s;
            box-shadow: 0 8px 24px rgba(24, 144, 255, 0.12);
        }
        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(24, 144, 255, 0.18);
            color: #1677ff;
        }
        .footer {
            background: #fff;
            border-top: 1px solid #eaf0f8;
            padding: 60px 24px 30px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: #8b9ab3;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #5b6f93;
            margin-bottom: 12px;
        }
        .footer-contact-item i {
            color: #1f64c1;
            font-size: 16px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #24324a;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: #5b6f93;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #1677ff;
        }
        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid #f0f4fa;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-copyright {
            font-size: 13px;
            color: #8b9ab3;
        }
        .footer-beian {
            font-size: 13px;
            color: #8b9ab3;
        }
        .footer-beian a {
            color: #8b9ab3;
            transition: color .2s;
        }
        .footer-beian a:hover {
            color: #1677ff;
        }
        @media (max-width: 1024px) {
            .hero-inner {
                gap: 40px;
            }
            .hero-title {
                font-size: 40px;
            }
            .feature-grid,
            .pricing-grid,
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 56px;
            }
            .header-inner {
                padding: 0 16px;
                height: 56px;
            }
            .nav,
            .nav-actions {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }

            .hero {
                padding: 50px 16px 70px;
            }
            .hero-inner {
                flex-direction: column;
                gap: 40px;
            }
            .hero-content {
                text-align: center;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-btns {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
                gap: 30px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-card {
                transform: none;
                max-width: 100%;
            }
            .section {
                padding: 60px 16px;
            }
            .section-title {
                font-size: 28px;
            }
            .section-header {
                margin-bottom: 40px;
            }
            .feature-grid,
            .pricing-grid,
            .product-grid {
                grid-template-columns: 1fr;
            }
            .cta-title {
                font-size: 28px;
            }
            .cta-subtitle {
                font-size: 15px;
            }
            .footer {
                padding: 40px 16px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 375px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-num {
                font-size: 24px;
            }
        }
        @media (max-width:768px){
            .product-grid {
                display: grid;
                grid-template-columns: 1fr !important;
                gap: 20px;
                width:100%;
            }
            .product-card {
                width:100%;
            }
        }