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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: linear-gradient(to bottom, #87CEEB 0%, #B0E0E6 100%);
            min-height: 100vh;
            overflow: hidden;
            position: relative;
        }

        /* 云朵背景 */
        .cloud {
            position: absolute;
            background: white;
            border-radius: 50px;
            opacity: 0.8;
        }

        .cloud::before,
        .cloud::after {
            content: '';
            position: absolute;
            background: white;
            border-radius: 50%;
        }

        .cloud1 {
            width: 150px;
            height: 60px;
            top: 10%;
            left: 10%;
            animation: float 20s ease-in-out infinite;
        }

        .cloud1::before {
            width: 80px;
            height: 80px;
            top: -40px;
            left: 30px;
        }

        .cloud1::after {
            width: 60px;
            height: 60px;
            top: -30px;
            right: 30px;
        }

        .cloud2 {
            width: 200px;
            height: 80px;
            top: 20%;
            right: 15%;
            animation: float 25s ease-in-out infinite reverse;
        }

        .cloud2::before {
            width: 100px;
            height: 100px;
            top: -50px;
            left: 40px;
        }

        .cloud2::after {
            width: 80px;
            height: 80px;
            top: -40px;
            right: 40px;
        }

        .cloud3 {
            width: 120px;
            height: 50px;
            bottom: 30%;
            left: 20%;
            animation: float 15s ease-in-out infinite;
        }

        .cloud3::before {
            width: 60px;
            height: 60px;
            top: -30px;
            left: 20px;
        }

        .cloud3::after {
            width: 50px;
            height: 50px;
            top: -25px;
            right: 20px;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(20px, -20px); }
        }

        /* 卡片容器 */
        .container {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            position: relative;
            z-index: 1;
        }

        /* 主卡片 */
        .card {
            background: rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            width: 350px;
            max-width: 90%;
        }

        /* 头像 */
        .avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            margin: 0 auto 20px;
            background: white;
            padding: 5px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        .avatar img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            object-fit: cover;
        }

        /* 标题 */
        h1 {
            font-size: 24px;
            color: #333;
            margin-bottom: 10px;
            font-weight: 600;
        }

        /* 公众号信息 */
        .wechat {
            color: #666;
            font-size: 14px;
            margin-bottom: 30px;
        }

        /* 功能按钮 */
        .buttons {
            display: flex;
            justify-content: space-around;
            margin-bottom: 30px;
        }

        .btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: white;
            border: none;
            border-radius: 12px;
            padding: 15px 10px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            width: 70px;
        }

        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .btn-icon {
            font-size: 28px;
            margin-bottom: 5px;
        }

        .btn-text {
            font-size: 12px;
            color: #666;
        }

        /* 版权信息 */
        .copyright {
            color: #666;
            font-size: 12px;
            opacity: 0.8;
        }

        /* 底部草地 */
        .grass {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 150px;
            background: linear-gradient(to top, #90EE90 0%, #98FB98 100%);
            z-index: 0;
        }

        /* 卡通动物 */
        .animals {
            position: absolute;
            bottom: 50px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1;
        }

        .dog {
            width: 120px;
            height: 100px;
            background: #F5DEB3;
            border-radius: 60px 60px 0 0;
            position: relative;
            margin: 0 auto;
        }

        .dog::before {
            content: '';
            position: absolute;
            width: 80px;
            height: 60px;
            background: #F5DEB3;
            border-radius: 40px 40px 0 0;
            bottom: -30px;
            left: 20px;
        }

        .dog::after {
            content: '';
            position: absolute;
            width: 50px;
            height: 50px;
            background: white;
            border-radius: 50%;
            bottom: -10px;
            right: -20px;
        }

        /* 装饰性元素 */
        .decoration {
            position: absolute;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }

        .sparkle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: white;
            border-radius: 50%;
            opacity: 0.8;
        }

        .sparkle:nth-child(1) {
            top: 20%;
            left: 30%;
            animation: sparkle 3s ease-in-out infinite;
        }

        .sparkle:nth-child(2) {
            top: 40%;
            right: 25%;
            animation: sparkle 4s ease-in-out infinite 1s;
        }

        .sparkle:nth-child(3) {
            bottom: 40%;
            left: 20%;
            animation: sparkle 5s ease-in-out infinite 2s;
        }

        @keyframes sparkle {
            0%, 100% { opacity: 0; transform: scale(0); }
            50% { opacity: 1; transform: scale(1); }
        }