* {
            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;
            color: #333;
            font-size: 14px;
            padding-bottom: 60px;
        }
        a { text-decoration: none; color: inherit; }
        ul, li { list-style: none; }
        .content-wrapper {
            max-width: 750px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
			 overflow: hidden;
			  background: white;
			  border-radius: 8px;
			  border: 1px solid #e2e8f0;
        }
        @media screen and (max-width: 768px) {
            .content-wrapper {
                max-width: 100%;
                box-shadow: none;
                margin: 0;
            }
        }
.test img{width: 100%  !important; height:auto  !important;}
        .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; /* 与其他导航项保持一致 */
            cursor: pointer;
            border-radius: 0; /* 与整体风格一致 */
            transition: all 0.3s ease;
            width: 100%;
            text-align: left;
            color: #333; /* 确保文字为深色 */
            font-size: 14px; /* 与其他导航项保持一致 */
        }

        .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;
        }
        .notice {
	background-color: #fff8e1;
	color: #333;
	padding: 10px;
	border-bottom: 1px solid #eee;
	font-size: 16px;
	overflow: hidden;
	text-overflow: ellipsis;
	font-weight: bold;
        }
        .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;
        }
             .bottom-fixed {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            display: flex;
            border-top: 1px solid #eee;
            padding: 5px 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;
        }
        .tab-im {
            text-decoration: none;
        }
        .title-box {
            padding: 15px 5px; /* 增加上下内边距 */
            border-bottom: 1px dashed #e2e8f0; /* 虚线分隔，更细腻 */
        }
        .title-box h1 {
            font-size: 20px;
            font-weight: 600; /* 适度加粗，突出标题 */
            color: #1e293b; /* 深灰标题，更醒目 */
            margin: 0; /* 去除默认margin */
        }
        .info-bar {
            display: flex;
            justify-content: space-between;
            align-items: center; /* 垂直居中 */
            padding: 12px 25px; /* 增加内边距 */
            border-bottom: 1px dashed #e2e8f0;
            font-size: 16px; /* 适当缩小字体 */
            color: #64748b; /* 中灰文字，降低视觉权重 */
        }
        .info-bar span {
            display: inline-flex;
            align-items: center;
            gap: 6px; /* 图标与文字间距 */
        }
        .info-bar .icon {
            font-size: 18px; /* 图标大小 */
        }
        .contact-box {
            background-color: #f0f7ff; /* 浅蓝背景，更专业 */
            padding: 20px 25px; /* 增加内边距 */
            font-size: 16px;
            color: #334155; /* 深灰文字 */
            border-bottom: 1px solid #e2e8f0; /* 实线分隔 */
        }
        .contact-box p {
            margin-bottom: 10px; /* 增加段落间距 */
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .contact-box p:last-child {
            margin-bottom: 0; /* 最后一段无下边距 */
        }
        .main-content {
            padding: 30px 25px; /* 增加内边距 */
            font-size: 17px; /* 适度放大字体 */
            line-height: 2.0; /* 调整行高 */
            color: #334155; /* 深灰文字 */
        }
        .main-content p {
            margin-bottom: 1.2em; /* 段落间距 */
            text-indent: 2em; /* 首行缩进，符合中文阅读习惯 */
        }
        .main-content p:last-child {
            margin-bottom: 0; /* 最后一段无下边距 */
        }
        .column-title {
            width: 100%;
            max-width: 750px;
            margin: 10px auto 15px; /* 增加与上方距离 */
            padding-left: 15px;
            border-left: 5px solid #fd091b; 
			background-color: #ffffff;
            font-size: 22px; /* 适当缩小 */
            font-weight: 600;
            color:#333;
        }

        .column-card {
            background-color: white; /* 白色背景，与主内容统一 */
            padding: 20px 25px;
            border: 1px solid #e2e8f0; /* 浅灰边框 */
            border-left: 4px solid #f59e0b; /* 橙色左边框，区分重点 */
            border-radius: 6px; /* 圆角 */
            margin-bottom: 20px;
            position: relative;
            transition: all 0.3s ease; /* 过渡动画 */
            box-shadow: 0 1px 3px rgba(0,0,0,0.03); /* 轻微阴影 */
        }
        .column-card:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.08); /* 悬停加深阴影 */
            transform: translateY(-2px); /* 轻微上浮效果 */
        }
        .column-card h3 {
            font-size: 14px;
            font-weight: 600;
            color: #1e293b;
            margin-bottom: 12px;
            padding-right: 80px; /* 避免与时间重叠 */
        }
        .column-card .card-time {
            position: absolute;
            top: 20px;
            right: 25px;
            font-size: 14px;
            color: #94a3b8; /* 浅灰时间 */
        }
        .column-card .card-desc {
            font-size: 15px;
            line-height: 1.7;
            color: #475569; /* 中灰描述 */
            margin-bottom: 15px;
        }
        .column-card .card-view {
            font-size: 14px;
            color: #94a3b8;
            margin-bottom: 15px;
        }
        .column-card .view-btn {
            position: absolute;
            bottom: 20px;
            right: 25px;
            padding: 6px 16px;
            background-color: #2563eb; /* 蓝色按钮，更醒目 */
            color: white;
            border: none;
            border-radius: 4px; /* 圆角按钮 */
            cursor: pointer;
            font-size: 14px;
            transition: background 0.3s ease; /* 悬停过渡 */
        }
        .column-card .view-btn:hover {
            background-color: #1d4ed8; /* 深蓝悬停 */
        }