/* --- 基础样式 --- */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
            background-color: #f5f5f5;
            padding: 10px;
        }
        a { text-decoration: none; color: inherit; }
        ul, li { list-style: none; }
        .responsive-container {
            max-width: 750px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }
        @media screen and (max-width: 768px) {
            .responsive-container {
                max-width: 100%;
                box-shadow: none;
                margin: 0;
            }
        }
        .header {
            background-color: #e63946;
            color: white;
            padding: 15px 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
         	position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        .header .back {
            font-size: 18px;
            font-weight: bold;
            cursor: pointer;
        }
        .header .title {
            font-size: 18px;
            font-weight: bold;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }
        .header .more {
            font-size: 20px;
            cursor: pointer;
            padding: 8px;
            margin: -8px;
            position: relative;
            z-index: 101;
        }
        .nav-bar {
            position: absolute;
            top: 100%;
            right: 10px;
            background: #fff;
            border-radius: 4px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            display: none;
            z-index: 99;
            overflow: hidden;
        }
        .nav-bar.show { display: block; }
        .nav-item {
            padding: 12px 16px;
            color: #333; /* 确保文字为深色 */
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
        }
        .nav-item i { margin-right: 8px; color: #e63946; width: 16px; text-align: center; }
        .nav-item:hover { background: #f5f5f5; padding-left: 20px; }
                .primary-nav {
            position: relative;
        }
        .nav-toggle {
            display: flex;
            align-items: center;
            background-color: #fff;
            border: 1px solid #ddd;
            padding: 12px 16px; 
            cursor: pointer;
            border-radius: 0;
            transition: all 0.3s ease;
            width: 100%;
            text-align: left;
            color: #333;
            font-size: 14px;
        }

        .arrow {
            margin-left: auto;
            color: #999;
            font-size: 16px;
            transition: transform 0.3s ease;
        }
        .primary-nav.active .arrow {
            transform: rotate(90deg);
        }
        .nav-toggle:hover {
            background-color: #f5f5f5;
        }
        .secondary-nav {
            position: static; /* 改为静态定位，避免覆盖其他项 */
            background-color: #f8f9fa;
            width: 100%;
            box-shadow: inset 0 2px 5px rgba(0,0,0,0.05);
            border-top: 1px solid #eee;
            display: none;
            padding: 0;
            z-index: 100;
        }
        .primary-nav.active .secondary-nav {
            display: block;
        }
        .secondary-nav li {
            list-style: none;
            padding: 10px 16px 10px 32px; /* 增加缩进 */
            color: #333;
            font-size: 13px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .secondary-nav li:hover {
            background-color: #f5f5f5;
            padding-left: 36px;
        }
        .member-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #999;
            font-size: 12px;
            flex-wrap: wrap;
            gap: 8px;
        }
        .member-footer .views, .member-footer .date {
            display: flex;
            align-items: center;
        }

        .notice {
            background-color: #fff8e1;
            color: #333;
            padding: 10px;
            border-bottom: 1px solid #eee;
            font-size: 16px;
            overflow: hidden;
            text-overflow: ellipsis;
			text-align: center;
        }
        .bottom-fixed {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            display: flex;
            border-top: 1px solid #eee;
            padding: 1px 0;
            z-index: 10;
        }
        .bottom-item {
            flex: 1;
            text-align: center;
            font-size: 12px;
            color: #666;
        }
        .bottom-item i {
            font-size: 18px;
            display: block;
            margin-bottom: 2px;
        }
        .bottom-item.active { color: #e63946; }
        .back-to-top {
            position: fixed;
            bottom: 80px;
            right: 15px;
            width: 40px;
            height: 40px;
            background-color: #e63946;
            color: white;
            border-radius: 50%;
            display: none;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            cursor: pointer;
            z-index: 99;
            transition: all 0.3s ease;
        }
        .back-to-top.show { display: flex; }
        .back-to-top:hover {
            transform: scale(1.1);
            background-color: #c1121f;
        }
        .copyright {
            text-align: center;
            font-size: 12px;
            color: #999;
            margin-top: 20px;
        }
		
        .page-title {
            text-align: center;
            font-size: 18px;
            font-weight: bold;
            color: #333;
            margin: 15px 0;
        }
		.tab-icon i {
    font-size: 20px;
}        .price-table {
            overflow-x: auto;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            margin-bottom: 20px;
        }

        table {
            width: 100%;
            min-width: 700px;
            border-collapse: collapse;
        }

        th, td {
            border: 1px solid #e0e0e0;
            padding: 10px 8px;
            text-align: center;
            font-size: 14px;
        }
        .member-header {
            color: #fff !important;
            font-size: 16px;
            font-weight: bold;
        }
        .normal-member {
            background-color: #666;
        }
        .auth-member {
            background-color: #4CAF50;
        }
        .vip-member {
            background-color: #FF9800;
        }
        .mode-header {
            color: #000 !important;
            background-color: #f8f8f8;
            font-size: 15px;
            font-weight: bold;
        }
        .feature-name {
            text-align: left;
            padding-left: 12px;
            color: #333;
            background-color: #f8f8f8;
        }
        .yes {
            color: #4CAF50;
            font-weight: bold;
            font-size: 16px;
        }
        .no {
            color: #f44336;
            font-weight: bold;
            font-size: 16px;
        }
        .free {
            color: #2196F3;
            font-weight: bold;
        }
        .btn-text {
            color: #e91e63;
            font-weight: bold;
        }
        .upgrade-btn {
            display: block;
            width: 80%;
            margin: 15px auto;
            padding: 12px 0;
            background-color: #FF9800;
            color: #fff;
            text-align: center;
            text-decoration: none;
            border-radius: 25px;
            font-size: 16px;
            font-weight: bold;
            box-shadow: 0 3px 8px rgba(255,152,0,0.3);
        }