/* ============================================================
   NAV.CSS — 短信宝导航栏样式（2026-10-30 精简版）
   结构：分类 + 链接 + 一行描述；不写数字；只链新版页面
   桌面端 hover 展开下拉；手机端 ☰ 展开一级、▾ 展开二级
   所有选择器使用 #main-header 前缀确保覆盖 common.css
   ============================================================ */

#main-header {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 9999 !important;
    display: block !important;
}

/* 首页导航单独占位，轮播从导航下方开始 */
#main-header.smsbao-site-header--home {
    position: relative !important;
}

/* ============================================================
   1. 一级导航栏基础
   ============================================================ */
#main-header #top-bar {
    position: relative !important;
    width: 100% !important;
    height: 89px !important;
    background: transparent !important;
    z-index: 100 !important;
}

#main-header #top-bar.is-home {
    background: rgb(36, 40, 44) !important;
}

#main-header #top-bar .content {
    width: 1200px !important;
    margin: 0 auto !important;
    z-index: 10 !important;
}

#main-header #top-bar .logo {
    width: 280px !important;
    height: 89px !important;
    float: left !important;
}

/* ============================================================
   2. 一级菜单项
   ============================================================ */
#main-header #top-bar .nav {
    width: 745px !important;
    height: 89px !important;
    float: left !important;
}

#main-header #top-bar .nav ul li {
    float: left !important;
    height: auto !important;
    font-size: 16px !important;
    text-align: center !important;
    position: relative !important;
    list-style: none !important;
    border-bottom: none !important;
}

#main-header #top-bar .nav ul li:hover {
    border-bottom: none !important;
}

/* 一级菜单 hover / 激活时显示绿条（仅一级菜单项，防止二级下拉项 hover 时也画出绿条） */
#main-header #top-bar .nav > ul > li:hover::after,
#main-header #top-bar .nav > ul > li.is-active::after,
#main-header #top-bar .nav > ul > li.is-open::after {
    content: "" !important;
    position: absolute !important;
    left: 14px !important;
    right: 14px !important;
    bottom: 0 !important;
    height: 4px !important;
    background: #26ad60 !important;
    border-radius: 2px !important;
}

#main-header #top-bar .nav ul li a {
    display: block !important;
    width: auto !important;
    box-sizing: border-box !important;
    min-width: 100px !important;
    padding: 31px 16px 22px 16px !important;
    color: #fff !important;
    font-size: 16px !important;
    text-decoration: none !important;
    line-height: 29px !important;
    transition: color 0.2s ease !important;
}

#main-header #top-bar .nav ul li a:hover {
    color: #fff !important;
}

#main-header #top-bar .nav ul li.is-active a,
#main-header #top-bar .nav ul li.is-open a {
    color: #fff !important;
}

/* ▾ 展开箭头（嵌在链接内，可单独点击） */
#main-header #top-bar .nav ul li a .caret {
    display: inline-block !important;
    font-size: 12px !important;
    color: #7c838d !important;
    margin-left: 4px !important;
    cursor: pointer !important;
    user-select: none !important;
    transition: transform 0.2s ease !important;
}

#main-header #top-bar .nav ul li.is-open a .caret {
    transform: rotate(180deg) !important;
}

/* 桌面端（>1200px）隐藏 ▾ 小三角（桌面用悬停展开，不需要展开按钮；小屏保留作点按展开入口） */
@media (min-width: 1201px) {
    #main-header #top-bar .nav ul li a .caret {
        display: none !important;
    }
    /* 一级菜单项撑满导航条高度（89px），消除链接底边与下拉面板顶边之间的 7px 死区，
       否则鼠标慢慢下移经过死区时会触发 pointerleave，面板提前消失。
       必须只选一级菜单项（> ul > li），否则二级下拉里的条目也会被拉成 89px 高、间距异常 */
    #main-header #top-bar .nav > ul > li {
        height: 89px !important;
    }
}

/* ============================================================
   3. 登录 / 注册（右上角唯一注册入口）
   ============================================================ */
#main-header #top-bar .user {
    float: left !important;
    font-size: 14px !important;
    color: #fff !important;
    text-align: center !important;
    margin-top: 31px !important;
    width: 175px !important;
}

#main-header #top-bar .user a {
    display: block !important;
    color: #fff !important;
}

#main-header #top-bar .user .login {
    line-height: 29px !important;
    width: 80px !important;
    float: right !important;
}

#main-header #top-bar .user .register {
    line-height: 29px !important;
    width: 80px !important;
    float: right !important;
    background: #26ad60 !important;
    border-radius: 3px !important;
}

#main-header #top-bar .user .register:hover {
    background: #1c9e55 !important;
}

/* ============================================================
   4. 下拉面板（分类 + 链接 + 一行描述）
   ============================================================ */
#main-header #top-bar .nav_more {
    position: fixed !important;
    top: 89px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    min-width: 0 !important;
    height: auto !important;
    display: none !important;
    background: #1c1e21 !important;
    z-index: 99999 !important;
    overflow: hidden auto !important;
    max-height: calc(100vh - 89px) !important;
    line-height: normal !important;
    padding: 24px 0 !important;
    box-sizing: border-box !important;
}

#main-header #top-bar .nav_more.is-open,
#main-header #top-bar .nav ul li.nav-drop:hover > .nav_more,
#main-header #top-bar .nav ul li.nav-drop:focus-within > .nav_more {
    display: block !important;
}

#main-header #top-bar .nav_more .drop-wrap {
    width: 1200px !important;
    margin: 0 auto !important;
    box-sizing: border-box !important;
}

#main-header #top-bar .nav_more ul.drop-list {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 4px 32px !important;
    margin: 0 !important;
    padding: 0 !important;
    width: auto !important;
}

#main-header #top-bar .nav_more ul.drop-list li {
    display: block !important;
    width: auto !important;
    float: none !important;
    text-align: left !important;
}

#main-header #top-bar .nav_more ul.drop-list li a {
    display: block !important;
    width: auto !important;
    padding: 10px 14px !important;
    border-radius: 6px !important;
    text-decoration: none !important;
    transition: background 0.15s ease !important;
}

#main-header #top-bar .nav_more ul.drop-list li a:hover {
    background: #24272b !important;
}

#main-header #top-bar .nav_more .d-name {
    display: block !important;
    color: #fff !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    line-height: 22px !important;
}

#main-header #top-bar .nav_more ul.drop-list li a:hover .d-name {
    color: #26ad60 !important;
}

#main-header #top-bar .nav_more .d-desc {
    display: block !important;
    color: #7c838d !important;
    font-size: 13px !important;
    line-height: 20px !important;
    margin-top: 2px !important;
}

/* 文章中心：两栏分组下拉 */
#main-header #top-bar .nav_more .drop-cols {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0 48px !important;
}

#main-header #top-bar .nav_more .drop-group {
    color: #7c838d !important;
    font-size: 13px !important;
    line-height: 20px !important;
    padding: 0 14px 8px !important;
    margin: 0 0 6px !important;
    border-bottom: 1px solid #2c2f34 !important;
}

#main-header #top-bar .nav_more.article ul.drop-list {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
}

/* 查看全部入口 */
#main-header #top-bar .nav_more .drop-all {
    margin-top: 16px !important;
    padding-top: 14px !important;
    border-top: 1px solid #2c2f34 !important;
}

#main-header #top-bar .nav_more .drop-all a {
    display: inline-block !important;
    width: auto !important;
    color: #26ad60 !important;
    font-size: 14px !important;
    line-height: 22px !important;
    padding: 0 !important;
    text-decoration: none !important;
}

#main-header #top-bar .nav_more .drop-all a:hover {
    color: #43d17e !important;
}

/* ============================================================
   5. ☰ 汉堡按钮（默认桌面隐藏）
   ============================================================ */
#main-header #top-bar .nav-toggle {
    display: none !important;
    float: right !important;
    width: 44px !important;
    height: 44px !important;
    margin-top: 22px !important;
    background: transparent !important;
    border: 1px solid #4a4f56 !important;
    border-radius: 6px !important;
    color: #fff !important;
    font-size: 20px !important;
    line-height: 42px !important;
    text-align: center !important;
    cursor: pointer !important;
    padding: 0 !important;
}

/* ============================================================
   移动端适配
   ============================================================ */
@media (max-width: 1024px) {
    #main-header #top-bar .content {
        width: 100% !important;
        padding: 0 24px !important;
        box-sizing: border-box !important;
    }

    #main-header #top-bar .nav_more .drop-wrap {
        width: 100% !important;
        padding: 0 24px !important;
    }

    #main-header #top-bar .nav_more ul.drop-list {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 1200px) {
    #main-header #top-bar .content {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 12px !important;
    }

    /* logo 缩小，不占固定 280px */
    #main-header #top-bar .logo {
        width: auto !important;
        margin-right: 8px !important;
    }
    #main-header #top-bar .logo img {
        height: 34px !important;
        width: auto !important;
        margin-top: 27px !important;
    }

    /* 显示 ☰，一级菜单改为竖向下拉 */
    #main-header #top-bar .nav-toggle {
        display: block !important;
    }

    #main-header #top-bar .nav {
        display: none !important;
        position: absolute !important;
        top: 89px !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        height: auto !important;
        max-height: calc(100vh - 89px) !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        background: #24282c !important;
        border-top: 1px solid #33373c !important;
        z-index: 99998 !important;
        float: none !important;
    }

    #main-header #top-bar.nav-open .nav {
        display: block !important;
    }

    #main-header #top-bar .nav ul li {
        float: none !important;
        display: block !important;
        width: 100% !important;
        text-align: left !important;
        border-bottom: 1px solid #33373c !important;
    }

    #main-header #top-bar .nav ul li a {
        width: auto !important;
        padding: 14px 20px !important;
        font-size: 15px !important;
        line-height: 22px !important;
    }

    /* 绿条改为左侧竖条（仅一级菜单项，防止二级下拉项 hover 时也画出绿条） */
    #main-header #top-bar .nav > ul > li:hover::after,
    #main-header #top-bar .nav > ul > li.is-active::after,
    #main-header #top-bar .nav > ul > li.is-open::after {
        left: 0 !important;
        right: auto !important;
        top: 10px !important;
        bottom: 10px !important;
        width: 3px !important;
        height: auto !important;
        border-radius: 0 2px 2px 0 !important;
    }

    /* 二级菜单：静态展开在菜单项下方 */
    #main-header #top-bar .nav_more {
        position: static !important;
        top: auto !important;
        max-height: none !important;
        background: #1c1e21 !important;
        padding: 8px 0 12px 0 !important;
        overflow: visible !important;
    }

    #main-header #top-bar .nav_more .drop-wrap {
        padding: 0 12px !important;
    }

    #main-header #top-bar .nav_more ul.drop-list {
        grid-template-columns: 1fr !important;
        gap: 0 !important;
    }

    /* 文章中心下拉：小屏改单栏纵排 */
    #main-header #top-bar .nav_more .drop-cols {
        grid-template-columns: 1fr !important;
        gap: 0 !important;
    }

    #main-header #top-bar .nav_more .drop-group {
        margin-top: 10px !important;
    }

    #main-header #top-bar .nav_more ul.drop-list li a {
        padding: 10px 12px !important;
    }

    #main-header #top-bar .nav_more .drop-all {
        margin-top: 8px !important;
        padding-top: 10px !important;
        padding-left: 12px !important;
    }

    /* 登录/注册小屏隐藏（导航项里已能覆盖主要入口） */
    #main-header #top-bar .user {
        display: none !important;
    }
}


/* 平板/窄桌面（769–1200px）：抽屉菜单布局下 Logo 用中等尺寸（手机端 34px 偏小，
   桌面端自然尺寸约 158×89；此区间取 ~120px 宽）。
   注意：必须放在文件末尾，覆盖前面 max-width:1200px 手机块里的 34px 规则 */
@media (min-width: 769px) and (max-width: 1200px) {
    #main-header #top-bar .logo img {
        width: 120px !important;
        height: auto !important;
        margin-top: 10px !important;
    }
}