/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    background-color: #f2f2f2;
}

/* 顶部导航栏 */
.top-nav {
    background-color: #f2f2f2;
    padding: 10px 0;
    text-align: right;
    border-bottom: 1px solid #ddd;
}

.top-nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.top-nav a {
    text-decoration: none;
    color: #000;
    margin: 0 15px;
    transition: color 0.3s;
}

.top-nav a:hover {
    color: #667eea;
}

/* 面包屑导航 */
.pathandmenu {
    background: #fff;
    padding: 15px 0;
    border-bottom: 2px solid #667eea;
}

.p_center {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.path ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.path ul li {
    font-size: 14px;
}

.path ul li a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.path ul li a:hover {
    color: #667eea;
}

.path ul li.line {
    color: #999;
}

/* 主容器 */
.cent {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 15px;
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

/* 左侧内容区 */
.zuob {
    flex: 1;
    min-width: 300px;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.neirong1 {
    line-height: 1.8;
}

.gao {
    margin-bottom: 20px;
}

.gao p {
    text-indent: 2em;
    margin-bottom: 15px;
}

/* 分隔线 */
.xian {
    height: 1px;
    background: linear-gradient(to right, transparent, #ddd, transparent);
    margin: 30px 0;
}

/* 标题样式 */
.bit_a {
    font-size: 1.3rem;
    font-weight: bold;
    color: #333;
    margin: 25px 0 15px;
    padding-left: 15px;
    border-left: 4px solid #667eea;
}

/* 右侧边栏 */
.youb {
    width: 300px;
    min-width: 280px;
}

.biti_y {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 15px 20px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 8px 8px 0 0;
}

.neir_y {
    background: #fff;
    padding: 20px;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.foot_y {
    margin-bottom: 30px;
}

/* 表格样式 */
.tab_1,
.tab_2 {
    width: 100%;
    border-collapse: collapse;
}

.tab_1 td,
.tab_2 td {
    padding: 10px 5px;
    line-height: 1.6;
}

.tab_1 img,
.tab_2 img {
    width: 16px;
    height: 16px;
}

.yans {
    color: #666;
    font-weight: bold;
}

.lianj_tab a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s;
}

.lianj_tab a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* FAQ样式 */
.wend {
    padding-left: 20px;
    color: #666;
}

.wend a {
    color: #666;
    text-decoration: none;
}

.wend a:hover {
    color: #667eea;
}

.cl {
    clear: both;
}

/* 响应式设计 - 平板 */
@media (max-width: 992px) {
    .cent {
        flex-direction: column;
    }

    .youb {
        width: 100%;
    }

    .zuob {
        padding: 20px;
    }
}

/* 响应式设计 - 手机 */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .top-nav {
        text-align: center;
    }

    .top-nav a {
        display: inline-block;
        margin: 5px 10px;
        font-size: 14px;
    }

    .path ul {
        font-size: 12px;
    }

    .cent {
        margin: 15px auto;
        padding: 0 10px;
    }

    .zuob {
        padding: 15px;
    }

    .bit_a {
        font-size: 1.1rem;
        padding-left: 10px;
    }

    .gao p {
        text-indent: 2em;
        font-size: 14px;
    }

    .neir_y {
        padding: 15px;
    }

    .tab_1 td,
    .tab_2 td {
        padding: 8px 3px;
        font-size: 13px;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .top-nav a {
        margin: 5px;
        font-size: 13px;
    }

    .bit_a {
        font-size: 1rem;
    }

    .biti_y {
        font-size: 1rem;
        padding: 12px 15px;
    }
}