        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;
        }

        body {
            height: 100vh;
            overflow: hidden;
            color: #111827;
            background-image: url('/static/webbg.png');
            background-position: bottom;
            background-repeat: no-repeat;
            background-attachment: fixed;
            background-size: auto;
        }

        /* 页面主体容器 */
        .container {
            height: 100vh;
            display: flex;
            flex-direction: column;
            backdrop-filter: blur(0px);
        }

        /* 头部 */
        header {
            background: white;
            box-shadow: 0 0px 3px rgba(0,0,0,0.1);
            padding: 16px 0;
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo img {
            max-width: 40px;
        }
        .logo-text {
            font-size: 24px;
            font-weight: bold;
        }
        .logo-text span {
            color: #3dbe71;
        }
        nav {
            display: flex;
            gap: 32px;
            font-size: 16px;
        }
        nav a {
            color: #4b5563;
            text-decoration: none;
            transition: color 0.3s;
        }
        nav a.active {
            color: #3dbe71;
            font-weight: 500;
        }
        nav a:hover {
            color: #3dbe71;
        }

        /* 内容区域 */
        .content {
            flex: 1;
            position: relative;
            padding: 16px 24px;
            overflow: hidden;
        }
        .content-inner {
            max-width: 900px;
            width: 100%;
            height: 100%;
            margin: 0 auto;
        }

        /* 标签切换面板 */
        .tab-content {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            opacity: 0;
            transform: translateX(100%);
            transition: all 0.5s ease-out;
        }
        .tab-content.active {
            position: relative;
            opacity: 1;
            transform: translateX(0);
            z-index: 10;
        }
        .tab-content.hide {
            transform: translateX(-100%);
            opacity: 0;
        }

        /* 标题 & 文本 */
        .title {
            font-size: 32px;
            font-weight: 600;
            margin-bottom: 16px;
            text-align: center;
        }
        .title span {
            color: #3dbe71;
        }
        .desc {
            font-size: 16px;
            color: #6b7280;
            margin-bottom: 32px;
            max-width: 1000px;
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* 按钮 */
        .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 32px;
        }
        .btn {
            background-color: #3dbe71;
            color: white;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: filter 0.3s;
        }
        .btn:hover {
            filter: brightness(0.9);
        }

        /* 展示卡片 */
        .card {
            max-width: 900px;
            margin: 0 auto;
            background: #1f2937;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }
        .card-header {
            background: #111827;
            padding: 10px 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .dot.red { background: #ef4444; }
        .dot.yellow { background: #eab308; }
        .dot.green { background: #22c55e; }
        .card-body {
            background: white;
            padding: 8px;
        }
        .card-body img {
            width: 100%;
            border-radius: 8px;
            display: block;
        }

        /* 标签按钮组 */
        .tab-buttons {
            display: flex;
            justify-content: center;
            gap: 12px;
            padding: 16px 20px;
        }
        .tab-btn {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 16px;
            border: none;
            cursor: pointer;
            background: #DDFCE6 !important;
            color: #000;
            transition: all 0.2s;
        }
        .tab-btn:hover {
            background: #fff;
        }
        .tab-btn.active {
            background: #fff;
            color: #3dbe71;
        }

        /* 底部 */
        footer {
            text-align: center;
            font-size: 14px;
            color: #666;
            padding: 12px 0;
        }

        /* 客服卡片 */
        .service {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 50;
            width: 240px;
            background: white;
        }
        .service-title {
    background: #DDFCE6 !important;
    color: #000;
    text-align: center;
    padding: 12px 0;
    /* font-weight: bold; */
    font-size: 16px;
    display: flex
;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
        .service-body {
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 14px;
        }
        .service-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px;
            background: #f9fafb;
        }
        .service-item i {
            color: #3dbe71;
            font-size: 18px;
            width: 20px;
            text-align: center;
        }
        .service-item span {
            color: #374151;
            font-weight: 500;
        }
        .service-item .num {
            color: #1f2937;
            font-weight: 400;
        }