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

        /* 公告栏主体 - 移动端完全自适应 */
        .notice-bar {
            width: 94%;
            max-width: 1100px;
            margin: 28px auto;
            padding: 16px 22px;
            /* 流光渐变背景 */
            background: linear-gradient(135deg, #007bff, #00c6ff, #007bff);
            background-size: 200% 200%;
            color: #fff;
            font-family: "Microsoft YaHei", Arial, sans-serif;
            border-radius: 50px;
            font-size: 15px;
            text-align: center;
            line-height: 1.5;
            /* 阴影 + 流光动画 */
            box-shadow: 0 8px 20px rgba(0, 123, 255, 0.25);
            animation: bg-flow 6s linear infinite;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        /* 悬浮效果 */
        .notice-bar:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(0, 123, 255, 0.35);
        }

        /* 背景流光动画 */
        @keyframes bg-flow {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* 小铃铛图标 */
        .notice-bar::before {
            content: "🔔";
            margin-right: 10px;
            animation: bell-shake 1.5s ease-in-out infinite;
            display: inline-block;
        }

        /* 铃铛晃动动画 */
        @keyframes bell-shake {
            0%, 100% { transform: rotate(0deg); }
            25% { transform: rotate(-10deg); }
            50% { transform: rotate(10deg); }
            75% { transform: rotate(-5deg); }
        }

        /* 邮箱样式 - 金色 */
        .notice-bar .email {
            font-weight: bold;
            color: #ffd700;
            text-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
            text-decoration: none;
            margin-left: 8px;
            padding: 4px 10px;
            background: rgba(255,255,255,0.15);
            border-radius: 30px;
            transition: all 0.2s;
        }

        .notice-bar .email:hover {
            background: rgba(255,255,255,0.3);
            color: #fff;
        }

        /* 关闭按钮 */
        .notice-bar .close-btn {
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            width: 24px;
            height: 24px;
            line-height: 24px;
            border-radius: 50%;
            background: rgba(255,255,255,0.2);
            color: #fff;
            font-size: 14px;
            cursor: pointer;
            border: none;
            outline: none;
            transition: 0.2s;
        }

        .notice-bar .close-btn:hover {
            background: rgba(255,255,255,0.4);
        }

        /* 移动端小屏适配 */
        @media (max-width: 576px) {
            .notice-bar {
                font-size: 13px;
                padding: 14px 18px;
                margin: 20px auto;
            }
            .notice-bar .close-btn {
                right: 12px;
                width: 20px;
                height: 20px;
                line-height: 20px;
                font-size: 12px;
            }
        }