/* ============================================================
   AI 导航站 - 前端样式（响应式 + 深色模式）
   ============================================================ */
:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #23272e;
    --muted: #8a94a6;
    --border: #e6eaf2;
    --primary: #4f7cff;
    --primary-soft: rgba(79, 124, 255, .1);
    --shadow: 0 2px 12px rgba(30, 40, 80, .06);
    --shadow-hover: 0 8px 24px rgba(60, 90, 200, .14);
    --radius: 12px;
    /* 标红强调（后台勾选「标红显示」的站点） */
    --hl: #f6416c;
    --hl-ring: rgba(246, 65, 108, .12);
    /* 柔和底色（标签、次级背景等），跟随主题 */
    --soft: #f7f8fb;
}
[data-theme="dark"] {
    --bg: #12151c;
    --card: #1b1f29;
    --text: #e6e9f0;
    --muted: #8b93a5;
    --border: #2a3040;
    --primary: #6b93ff;
    --primary-soft: rgba(107, 147, 255, .14);
    --shadow: 0 2px 12px rgba(0, 0, 0, .3);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, .45);
    --hl: #ff5470;
    --hl-ring: rgba(255, 84, 112, .2);
    --soft: #232936;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background .25s, color .25s;
}
a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* 键盘导航焦点可见性（无障碍） */
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

/* ---------- 整体吸顶头部（顶栏 + 公告 + 分类导航） ---------- */
.page-head {
    position: sticky; top: 0; z-index: 100;
    background: var(--bg);
    box-shadow: 0 2px 12px rgba(30, 40, 80, .07);
}
/* 独立顶栏页面（详情页/表单页/单页面）：顶栏自身吸顶 */
body > .topbar {
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 2px 12px rgba(30, 40, 80, .07);
}

/* ---------- 顶部栏 ---------- */
.topbar {
    background: color-mix(in srgb, var(--card) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}
.topbar-inner {
    display: flex; align-items: center; gap: 20px;
    padding-top: 12px; padding-bottom: 12px;
}
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 20px; flex-shrink: 0; }
.logo-icon { font-size: 26px; }
.logo-text { background: linear-gradient(120deg, var(--primary), #a45cff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.topbar-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.icon-btn, .admin-link {
    width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border);
    background: var(--card); cursor: pointer; font-size: 17px;
    display: inline-flex; align-items: center; justify-content: center;
    transition: .2s;
}
.icon-btn:hover, .admin-link:hover { border-color: var(--primary); transform: translateY(-1px); }

/* ---------- 搜索框 ---------- */
.search-box { flex: 1; max-width: 560px; margin: 0 auto; }
#searchForm { display: flex; align-items: center; background: var(--card); border: 1.5px solid var(--border); border-radius: 24px; padding: 3px 3px 3px 18px; transition: .2s; }
#searchForm:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
#searchInput { flex: 1; border: none; outline: none; background: transparent; color: var(--text); font-size: 14px; height: 36px; }
.search-btn {
    border: none; background: linear-gradient(120deg, var(--primary), #7c5cff);
    color: #fff; font-size: 14px; padding: 8px 22px; border-radius: 20px; cursor: pointer;
}
.search-btn:hover { opacity: .9; }

/* ---------- 公告 ---------- */
.notice {
    margin: 14px 0 0; padding: 10px 14px; font-size: 13.5px;
    background: var(--primary-soft); color: var(--primary);
    border-radius: var(--radius); border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
}
.notice-tag { font-weight: 700; margin-right: 8px; }
/* 公告支持富文本（加粗 / 斜体 / 下划线 / 链接），保持单行块内排版 */
.notice-body { line-height: 1.75; }
.notice-body a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.notice-body a:hover { opacity: .82; }
.notice-body b, .notice-body strong { font-weight: 700; }

/* ---------- 分类导航 ---------- */
.cat-nav { background: transparent; padding: 10px 0 4px; }
.cat-nav-inner { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 8px; row-gap: 8px; }
.cat-chip {
    flex-shrink: 0; padding: 6px 14px; border-radius: 20px; font-size: 13.5px;
    background: var(--card); border: 1px solid var(--border); color: var(--muted);
    transition: .2s; white-space: nowrap;
}
.cat-chip:hover, .cat-chip.active { background: linear-gradient(120deg, var(--primary), #7c5cff); color: #fff; border-color: transparent; }

/* ---------- 区块与卡片 ---------- */
.section { margin-top: 28px; }
.section-title { font-size: 19px; margin-bottom: 14px; display: flex; align-items: baseline; gap: 8px; }
.section-title small { font-size: 12.5px; color: var(--muted); font-weight: 400; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 14px;
}
.site-card {
    position: relative;
    display: flex; flex-direction: column;
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 14px;
    box-shadow: var(--shadow); transition: transform .18s, box-shadow .18s, border-color .18s;
}
/* 主链接：包含图标与信息列，透明覆盖层铺满整卡（点击计数跳转） */
.card-main {
    display: flex; gap: 12px; align-items: stretch;
    flex: 1; min-width: 0;
    color: inherit; text-decoration: none;
}
.card-main::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.site-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.site-card.hidden-by-search { display: none; }

/* 标红强调卡片：后台勾选「标红显示」→ 首页 / 分类页 / 相关推荐统一红色加粗边框 */
/* 标红强调卡片：1px 边框 + 1px 外圈阴影 = 2px 视觉红框，不改变盒子尺寸（否则比普通卡片高 2px） */
.site-card-hl,
.site-card-hl:hover {
    border-color: var(--hl);
}
.site-card-hl {
    box-shadow: 0 0 0 1px var(--hl), 0 0 0 3px var(--hl-ring), var(--shadow);
}
.site-card-hl:hover {
    box-shadow: 0 0 0 1px var(--hl), 0 0 0 4px var(--hl-ring), 0 8px 24px rgba(246, 65, 108, .24);
    transform: translateY(-3px);
}

.site-icon, .site-icon-img {
    width: 44px; height: 44px; border-radius: 11px; flex-shrink: 0;
    object-fit: cover;
}
.site-icon {
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--c, var(--primary)); color: #fff;
    font-size: 19px; font-weight: 700;
}
/* 信息列占满剩余高度，让「详情」能贴到卡片底部 */
.site-info { min-width: 0; flex: 1; display: flex; flex-direction: column; gap: 3px; }
/* 图标列：图标 + 「已验」徽标竖排（徽标不占名称行空间） */
.site-side { display: flex; flex-direction: column; align-items: center; gap: 7px; flex-shrink: 0; }
/* 名称行：完整显示不截断，徽标过多时自然换行 */
.site-name { font-weight: 600; font-size: 15px; display: flex; align-items: center; flex-wrap: wrap; gap: 4px; min-width: 0; }
/* 站长验证徽标：勾选「站长已验证」的站点在前台显示 */
.verified-badge {
    font-style: normal; font-size: 10px; font-weight: 700; line-height: 1.6;
    padding: 0 5px; border-radius: 4px; white-space: nowrap;
    color: #12805a; background: rgba(24, 138, 76, .1);
    border: 1px solid rgba(24, 138, 76, .3);
    display: inline-flex; align-items: center; gap: 2px;
    vertical-align: middle;
}
[data-theme="dark"] .verified-badge {
    color: #4ade80; background: rgba(74, 222, 128, .12); border-color: rgba(74, 222, 128, .32);
}
.hot-badge {
    font-style: normal; font-size: 10px; color: #fff; padding: 1px 5px;
    background: linear-gradient(120deg, #ff8a3d, #f6416c); border-radius: 4px; font-weight: 600;
}
.site-desc {
    font-size: 12.5px; color: var(--muted); line-height: 1.5;
    /* 简介最多两行，超出省略号；固定占两行高度保证卡片等高 */
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    min-height: 3em;
}
.empty-tip { color: var(--muted); font-size: 13.5px; padding: 8px 2px; }
.empty-tip.big { text-align: center; padding: 80px 0; font-size: 15px; }
.empty-tip a { color: var(--primary); }
.no-result { text-align: center; color: var(--muted); padding: 60px 0; font-size: 15px; }

/* ---------- 页脚 / 回顶部 ---------- */
.footer { margin-top: 60px; padding: 26px 0 34px; border-top: 1px solid var(--border); text-align: center; font-size: 13.5px; color: var(--muted); }
.footer p { margin: 4px 0; }
.footer a { color: var(--primary); }
.muted { opacity: .8; }

#backTop {
    position: fixed; right: 22px; bottom: 30px; width: 42px; height: 42px;
    border-radius: 50%; border: 1px solid var(--border); background: var(--card);
    color: var(--text); font-size: 18px; cursor: pointer; box-shadow: var(--shadow);
    opacity: 0; pointer-events: none; transition: .25s; z-index: 120;
}
#backTop.show { opacity: 1; pointer-events: auto; }

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 900px) {
    .topbar-inner { flex-wrap: wrap; gap: 10px; }
    .logo { order: 1; }
    .topbar-actions { order: 2; margin-left: auto; }
    .search-box { order: 3; flex-basis: 100%; max-width: 100%; }
    .cat-nav { padding: 8px 0 2px; }
    /* 分类标签换行完整显示，不再横向裁切 */
    .cat-nav-inner { flex-wrap: wrap; overflow-x: visible; padding-bottom: 2px; row-gap: 6px; }
    .notice { margin-top: 10px; padding: 8px 12px; font-size: 12.5px; }
}
@media (max-width: 560px) {
    .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
    .site-card { padding: 11px; }
    .card-main { gap: 9px; }
    .site-icon, .site-icon-img { width: 38px; height: 38px; border-radius: 9px; }
    .site-desc { font-size: 12px; }
    .section-title { font-size: 17px; }
    .search-btn { padding: 7px 16px; }
    /* 压缩吸顶头部高度，保证小屏可用 */
    .topbar-inner { gap: 8px; padding-top: 8px; padding-bottom: 8px; }
    .logo { font-size: 18px; }
    .logo-icon { font-size: 22px; }
    #searchInput { height: 32px; font-size: 13px; }
    #searchForm { padding-left: 12px; }
    .btn-submit { height: 34px; padding: 0 10px; font-size: 12px; }
    .lang-select { height: 34px; font-size: 12px; }
    .icon-btn, .admin-link { width: 34px; height: 34px; font-size: 15px; }
    .cat-chip { padding: 4px 10px; font-size: 12px; }
    .section { margin-top: 20px; }
}
@media (max-width: 380px) {
    .grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   v2 新增：广告位 / 徽标 / 详情页 / 表单页 / 语言切换
   ============================================================ */
.lang-select {
    height: 38px; border: 1px solid var(--border); border-radius: 10px;
    background: var(--card); color: var(--text); font-size: 13px; padding: 0 8px; outline: none;
}
.btn-submit {
    height: 38px; display: inline-flex; align-items: center; padding: 0 14px;
    border-radius: 10px; font-size: 13px; font-weight: 600; white-space: nowrap;
    background: linear-gradient(120deg, #00b8a9, #3ec46d); color: #fff;
}

/* 广告位 */
/* ---------- 广告位 ---------- */
.ad-slot { margin: 16px auto 0; text-align: center; }
/* 广告内容统一与页面容器对齐（.container = max-width 1200px + 16px 内边距） */
.ad-inner { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
/* 位于 .container 内部的广告位（home_mid 等）不要再叠加容器内边距，
   否则广告会比卡片区块两侧各窄 16px */
.container .ad-inner { max-width: none; padding: 0; }
.ad-slot img { max-width: 100%; width: 100%; height: auto; border-radius: 12px; display: block; margin: 0 auto; }
.ad-link { display: block; }
/* 同一广告位内多条广告之间留出间距 */
.ad-inner > * + * { margin-top: 12px; }
/* 文字广告 */
.ad-textlink {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 16px; border-radius: 12px;
    background: var(--card); border: 1px dashed var(--border);
    font-size: 15px; font-weight: 600; text-decoration: none;
    transition: border-color .15s, box-shadow .15s;
}
.ad-textlink:hover { border-color: var(--primary); box-shadow: 0 2px 12px rgba(79, 124, 255, .12); text-decoration: none; }
.ad-text-tag {
    flex: 0 0 auto; font-size: 11px; font-weight: 500; line-height: 1;
    color: var(--muted); border: 1px solid var(--border); border-radius: 4px;
    padding: 3px 5px; background: var(--soft);
}
.ad-text-main { color: var(--primary); line-height: 1.5; }
.ad-slot.ad-global_top { margin: 12px auto 0; }
.ad-slot.ad-home_bottom, .ad-slot.ad-detail_bottom { margin: 28px auto 0; }
.ad-slot.ad-submit_top { margin: 0 auto 18px; }
/* 侧栏广告随栏宽，不套容器内边距 */
.detail-side .ad-inner { padding: 0; max-width: none; }
.ad-slot.ad-detail_side { margin: 0 0 16px; }
.ad-slot.ad-footer { margin: 14px auto 14px; }
/* 相邻两个广告位之间留出间距（同层相邻时生效） */
.ad-slot + .ad-slot { margin-top: 14px; }
/* 全站顶部 + 首页顶部两个横幅同时存在时拉开距离 */
.ad-slot.ad-home_top { margin: 16px auto 0; }
/* 详情页横幅广告与站点信息卡片之间留出间距 */
.ad-slot.ad-detail { margin-bottom: 16px; }
/* 图片广告占位高度自适应，避免加载抖动 */
.ad-slot .ad-link img { min-height: 0; }

/* 徽标 */
.pin-badge {
    font-style: normal; font-size: 10.5px; color: #fff; padding: 1px 6px;
    background: linear-gradient(120deg, #12a5f4, #4f7cff); border-radius: 4px; font-weight: 600; white-space: nowrap;
}
.star-badge { font-style: normal; font-size: 12px; }
.region-badge {
    font-size: 11px; color: var(--muted); border: 1px solid var(--border);
    padding: 0 6px; border-radius: 4px; width: fit-content;
}
/* 卡片底部行：地区标签居左，「详情」为独立链接（对齐信息列，层级高于整卡覆盖层） */
.card-foot { display: flex; justify-content: flex-end; align-items: center; gap: 8px; margin-top: 3px; margin-left: 56px; }
a.card-browse { position: relative; z-index: 2; padding: 3px 0 3px 8px; margin: -3px 0 -3px -8px; }
.card-foot .region-badge { margin-right: auto; }
.card-browse { font-size: 12px; color: var(--primary); white-space: nowrap; opacity: .85; }
/* 「详情」前的箭头图标 */
.card-browse::before { content: "\2192\00a0"; font-weight: 700; }
.site-card:hover .card-browse { opacity: 1; text-decoration: underline; }

/* 详情页 */
.detail-page { padding-top: 18px; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--primary); }
.detail-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 14px;
    padding: 26px; box-shadow: var(--shadow);
}
.detail-head { display: flex; gap: 16px; align-items: center; }
.detail-head h1 { font-size: 22px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.detail-icon { width: 64px; height: 64px; border-radius: 16px; object-fit: cover; flex-shrink: 0; }
.detail-desc { margin: 18px 0; line-height: 1.8; font-size: 14.5px; color: var(--text); }
.detail-meta {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 22px; margin-bottom: 22px;
    background: color-mix(in srgb, var(--bg) 60%, transparent);
    border: 1px dashed var(--border); border-radius: 12px; padding: 14px 16px;
}
.dm-item { min-width: 0; }
.dm-k { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px; }
.dm-v { display: block; font-size: 13.5px; line-height: 1.5; overflow-wrap: anywhere; }
.detail-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn-visit {
    display: inline-flex; align-items: center; padding: 10px 26px; border-radius: 10px;
    background: linear-gradient(120deg, var(--primary), #7c5cff); color: #fff;
    font-size: 14.5px; font-weight: 600; transition: .2s;
}
.btn-visit:hover { opacity: .88; transform: translateY(-1px); }
.btn-report {
    display: inline-flex; align-items: center; padding: 10px 18px; border-radius: 10px;
    border: 1px solid var(--border); color: var(--muted); font-size: 13.5px;
}
.btn-report:hover, .btn-report.current { border-color: var(--primary); color: var(--primary); }
/* 「详细介绍」按钮：与访问官网并排的次级按钮 */
.btn-detail {
    display: inline-flex; align-items: center; padding: 10px 18px; border-radius: 10px;
    border: 1px solid var(--border); background: var(--card); color: var(--text);
    font-size: 13.5px; cursor: pointer; transition: .2s;
}
.btn-detail:hover, .btn-detail.is-open { border-color: var(--primary); color: var(--primary); }
/* 详细介绍展开区 */
.detail-content {
    margin-top: 14px; padding: 16px 18px; border-radius: 10px;
    background: color-mix(in srgb, var(--primary) 4%, var(--card));
    border: 1px solid var(--border);
}
.dc-title { font-size: 14.5px; margin-bottom: 10px; color: var(--primary); }
.dc-body { font-size: 13.5px; line-height: 1.9; color: var(--text); overflow-wrap: break-word; }
.dc-body a { color: var(--primary); text-decoration: underline; }
.dc-body b, .dc-body strong { font-weight: 700; }

/* 表单页（投稿/举报/单页面） */
.form-page { padding-top: 26px; }
.form-page h1 { font-size: 20px; margin-bottom: 6px; }
.form-page-form { margin-top: 16px; }
.form-page-form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 14px; font-weight: 600; }
.form-page-form .req { color: #e5484d; font-weight: 700; margin-left: 2px; }
.form-page-form input, .form-page-form select, .form-page-form textarea {
    display: block; width: 100%; margin-top: 5px;
    border: 1.5px solid var(--border); border-radius: 9px; padding: 9px 12px;
    font-size: 14px; font-family: inherit; background: var(--card); color: var(--text); outline: none;
}
.form-page-form input:focus, .form-page-form select:focus, .form-page-form textarea:focus { border-color: var(--primary); }
.form-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .form-grid2 { grid-template-columns: 1fr; } }
.captcha-row { display: flex; gap: 10px; align-items: center; }
.captcha-row input { flex: 1; }
.captcha-q {
    padding: 8px 14px; background: var(--primary-soft); color: var(--primary);
    border-radius: 8px; font-weight: 700; white-space: nowrap; user-select: none;
}
.success-box { text-align: center; padding: 50px 26px; }
.success-box .big { font-size: 52px; margin-bottom: 12px; }
.success-box h1 { justify-content: center; }
.page-content { line-height: 1.9; font-size: 14.5px; margin-top: 16px; }
.page-content h2 { margin: 18px 0 10px; font-size: 17px; }
.page-content ul, .page-content ol { padding-left: 22px; margin: 10px 0; }
.page-content li { margin: 4px 0; }
.tag-err { background: #fdebec; color: #c53038; }
[data-theme="dark"] .tag-err { background: rgba(255, 84, 112, .16); color: #ff7d95; }

/* ---- v3 友情链接 ---- */
.friend-links { max-width: 1200px; margin: 26px auto 0; padding: 0 16px; }
.fl-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.fl-list { display: flex; flex-wrap: wrap; gap: 8px; }
.fl-item {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12.5px; color: var(--muted);
    border: 1px solid var(--border); border-radius: 8px; padding: 5px 10px;
    background: var(--card); transition: .15s;
}
.fl-item:hover { color: var(--primary); border-color: var(--primary); transform: translateY(-1px); }
.fl-item img { width: 14px; height: 14px; border-radius: 3px; }

/* ---------- 首页分页加载 ---------- */
.list-more { text-align: center; margin: 24px 0 8px; min-height: 38px; }
.btn-load-more {
    border: 1.5px solid var(--border); background: var(--card); color: var(--primary);
    font-size: 14px; font-weight: 600; padding: 9px 32px; border-radius: 22px;
    cursor: pointer; transition: .2s;
}
.btn-load-more:hover { border-color: var(--primary); background: var(--primary-soft); }
.list-loading, .list-end { font-size: 13px; color: var(--muted); }
.list-loading::before {
    content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 7px;
    border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%;
    vertical-align: -2px; animation: nav-spin .7s linear infinite;
}
@keyframes nav-spin { to { transform: rotate(360deg); } }
.list-sentinel { height: 1px; }

/* ---------- 分类分区："查看全部"入口 ---------- */
[hidden] { display: none !important; }
.section-title .see-all {
    margin-left: auto; flex-shrink: 0;
    font-size: 13px; font-weight: 500; color: var(--primary);
    padding: 3px 10px; border-radius: 14px; white-space: nowrap; transition: .2s;
}
.section-title .see-all:hover { background: var(--primary-soft); }
@media (max-width: 560px) {
    .section-title .see-all { font-size: 12px; padding: 2px 6px; }
}

/* ---------- 详情页三栏布局（左精选 / 中主内容 / 右广告+热门） ---------- */
.detail-layout {
    display: grid;
    grid-template-columns: 205px minmax(0, 1fr) 245px;
    gap: 22px; align-items: start;
}
.side-box {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 15px 14px; box-shadow: var(--shadow);
}
.side-box + .side-box { margin-top: 16px; }
.side-title { font-size: 15px; margin-bottom: 10px; padding-bottom: 9px; border-bottom: 1px solid var(--border); }
.side-list { display: flex; flex-direction: column; }
.side-item {
    display: flex; gap: 9px; align-items: center; padding: 7px 6px;
    border-radius: 9px; transition: background .15s;
}
.side-item:hover { background: var(--primary-soft); }
.side-item + .side-item { border-top: 1px dashed var(--border); }
.side-item .site-icon.side-icon { width: 30px; height: 30px; border-radius: 8px; font-size: 13px; }
img.side-icon { width: 30px; height: 30px; border-radius: 8px; object-fit: cover; flex-shrink: 0; background: var(--bg); }
.si-info { min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.si-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.si-desc { font-size: 11.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.detail-side .ad-slot { margin-bottom: 16px; }
.detail-main .section { margin-top: 30px; }

@media (max-width: 1080px) {
    .detail-layout { grid-template-columns: minmax(0, 1fr) 240px; }
    .side-left { grid-column: 1 / -1; order: 3; }
    .detail-main { order: 1; }
    .side-right { order: 2; }
    .side-left .side-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 2px 12px; }
    .side-left .side-item + .side-item { border-top: none; }
}
@media (max-width: 760px) {
    .detail-layout { grid-template-columns: minmax(0, 1fr); gap: 16px; }
    .side-right { order: 3; }
    .side-left .side-list, .side-right .side-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 10px; }
    .side-left .side-item + .side-item, .side-right .side-item + .side-item { border-top: none; }
    .detail-meta { grid-template-columns: 1fr; }
    .detail-card { padding: 18px; }
}
@media (max-width: 560px) {
    /* 小屏顶栏空间有限：详情页“访问官网”按钮隐藏（正文有大按钮），后台入口收窄 */
    .topbar-visit { display: none; }
    .admin-link { min-width: 0; }
}

/* ---------- 单页面（关于/联系等） ---------- */
/* 页内菜单 + 返回首页：统一左对齐排成一行 */
.page-nav { margin-top: 18px; justify-content: flex-start; }
/* 联系表单 */
.contact-box {
    margin-top: 20px; padding: 16px 18px;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg);
}
.contact-title { margin: 0 0 12px; font-size: 15px; }
.contact-box .form-page-form { margin-top: 0; }
/* 前台提示框 */
.alert { padding: 12px 14px; border-radius: 10px; margin: 14px 0 0; font-size: 14px; line-height: 1.6; }
.alert-success { background: rgba(29, 158, 95, .12); color: #1d9e5f; border: 1px solid rgba(29, 158, 95, .35); }
.alert-error { background: rgba(229, 72, 77, .1); color: #e5484d; border: 1px solid rgba(229, 72, 77, .35); }

/* ---------- 二级分类 ---------- */
/* 首页分区标题旁的二级分类 chips */
.st-left { display: inline-flex; align-items: baseline; flex-wrap: wrap; gap: 8px; min-width: 0; }
.sub-chips { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.cat-chip.sub-chip {
    padding: 4px 11px; font-size: 12.5px; border-radius: 999px;
    background: var(--card); border: 1px solid var(--border);
    color: var(--muted); text-decoration: none; white-space: nowrap;
}
.cat-chip.sub-chip small { font-size: 11px; opacity: .75; margin-left: 3px; }
.cat-chip.sub-chip:hover, .cat-chip.sub-chip.active {
    border-color: var(--primary); color: var(--primary);
    background: var(--primary-soft, rgba(59, 110, 241, .08));
}
@media (max-width: 760px) {
    .sub-chips { width: 100%; margin-top: 2px; }
}

/* ---------- 详情页：标签 / 缩略图 / 点赞 / 二维码 ---------- */
/* 文字标签 */
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
.dt-label { font-size: 12.5px; color: var(--muted); }
.tag-chip {
    padding: 3px 10px; border-radius: 999px; font-size: 12.5px;
    background: var(--primary-soft, rgba(59, 110, 241, .1)); color: var(--primary);
    border: 1px solid transparent;
}
/* 网页缩略图 */
/* 详情页右上角网站预览缩略图（仅小图，点击直达官网） */
.detail-thumb-mini {
    margin-left: auto; flex: 0 0 auto;
    width: 220px; aspect-ratio: 8 / 5;
    border: 1px solid var(--border); border-radius: var(--radius);
    overflow: hidden; background: var(--soft, var(--card));
    cursor: pointer; transition: border-color .15s, box-shadow .15s;
}
.detail-thumb-mini:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.detail-thumb-mini img { display: block; width: 100%; height: 100%; object-fit: cover; }


@media (max-width: 640px) {
    .detail-head { flex-wrap: wrap; }
    /* 手机上缩略图独占一行，作为紧凑横幅置于名称下方 */
    .detail-thumb-mini { order: 10; width: 100%; aspect-ratio: 21 / 9; margin-left: 0; }
}
/* 点赞按钮 */
.btn-like {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 16px; border-radius: 10px; cursor: pointer; font-size: 14px;
    border: 1px solid var(--border); background: var(--card); color: var(--text);
    transition: all .15s;
}
.btn-like:hover:not(:disabled) { border-color: #e5484d; color: #e5484d; transform: translateY(-1px); }
.btn-like.is-liked { border-color: #e5484d; color: #e5484d; background: rgba(229, 72, 77, .08); cursor: default; }
.lk-count { font-weight: 600; }
/* 二维码弹层 */
.qr-pop { margin-top: 14px; display: flex; justify-content: center; }
.qr-box { text-align: center; padding: 16px 22px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
.qr-box img, .qr-box canvas { display: block; margin: 0 auto; }
.qr-tip { margin: 10px 0 2px; font-size: 13px; }
.qr-url { margin: 0; font-size: 12px; color: var(--muted); word-break: break-all; max-width: 240px; }

/* 单页面：竖排侧边导航（左侧） */
.page-layout { display: grid; grid-template-columns: 176px minmax(0, 1fr); gap: 22px; align-items: start; }
.page-side-nav {
    position: sticky; top: 84px;
    display: flex; flex-direction: column; gap: 6px;
}
.ps-link, .ps-home {
    display: block; padding: 10px 14px; border-radius: 10px;
    border: 1px solid var(--border); background: var(--card);
    color: var(--text); font-size: 13.5px; text-decoration: none;
    transition: .15s; text-align: left;
}
.ps-link:hover, .ps-home:hover { border-color: var(--primary); color: var(--primary); }
.ps-link.current { border-color: var(--primary); color: var(--primary); background: var(--primary-soft, rgba(59, 110, 241, .08)); font-weight: 600; }
.ps-home { color: var(--muted); margin-top: 10px; }
@media (max-width: 760px) {
    /* 小屏：侧栏回到顶部，横向可换行 */
    .page-layout { grid-template-columns: minmax(0, 1fr); }
    .page-side-nav { position: static; flex-direction: row; flex-wrap: wrap; }
    .ps-link, .ps-home { padding: 8px 12px; }
    .ps-home { margin-top: 0; }
}

/* 分区标题：顶级分类名可点击 */
.st-link {
    color: inherit; text-decoration: none; cursor: pointer;
    border-radius: 8px; transition: color .15s;
}
.st-link:hover { color: var(--primary); }

/* 筛选视图：站点数移到标题行右侧 */
#listCount { margin-left: auto; flex-shrink: 0; }

/* 卡片底部行：移动端缩进需在基础规则之后覆盖（基础规则在后面定义） */
@media (max-width: 560px) {
    .card-foot { margin-left: 47px; }
}

/* ==================== 站长的话（详情页简介下方） ==================== */
.owner-note {
    margin: 16px 0 18px;
    padding: 14px 16px;
    background: color-mix(in srgb, var(--primary, #4f6ef7) 6%, var(--bg));
    border: 1px solid color-mix(in srgb, var(--primary, #4f6ef7) 25%, var(--border));
    border-left: 3px solid var(--primary, #4f6ef7);
    border-radius: 10px;
}
.owner-note .on-title { font-weight: 700; font-size: 13.5px; margin-bottom: 8px; color: var(--primary, #4f6ef7); }
.owner-note .on-body { line-height: 1.8; font-size: 14px; color: var(--text); word-break: break-word; }
.owner-note .on-body a { color: var(--primary, #4f6ef7); text-decoration: underline; }
.owner-note .on-body ul, .owner-note .on-body ol { margin: 6px 0 6px 1.4em; padding: 0; }
}
.owner-note .on-title { font-weight: 700; font-size: 13.5px; margin-bottom: 8px; color: var(--primary, #4f6ef7); }
.owner-note .on-body { line-height: 1.8; font-size: 14px; color: var(--text); word-break: break-word; }
.owner-note .on-body a { color: var(--primary, #4f6ef7); text-decoration: underline; }
.owner-note .on-body ul, .owner-note .on-body ol { margin: 6px 0 6px 1.4em; padding: 0; }

/* ==================== 文章系统 ==================== */
.art-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.art-list-home, .art-list-rel { grid-template-columns: repeat(2, 1fr); }
.art-card {
    display: block; background: var(--card); border: 1px solid var(--border);
    border-radius: 12px; padding: 16px 18px; transition: .18s;
}
.art-card:hover { border-color: color-mix(in srgb, var(--primary, #4f6ef7) 45%, var(--border)); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(30,40,90,.08); }
.art-card-title { font-size: 15.5px; font-weight: 700; line-height: 1.45; margin: 0 0 6px; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.art-card-sum { font-size: 13px; color: var(--muted); line-height: 1.6; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.art-card-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.art-meta-r { margin-left: auto; font-size: 12px; color: var(--muted); white-space: nowrap; }
.art-tag { font-size: 12px; padding: 2px 9px; border-radius: 20px; background: color-mix(in srgb, var(--primary, #4f6ef7) 8%, var(--bg)); color: var(--primary, #4f6ef7); }
.art-tag-cat { font-weight: 600; }
.art-badge { display: inline-block; font-size: 11px; font-weight: 700; color: #fff; background: var(--primary, #4f6ef7); border-radius: 4px; padding: 1px 6px; margin-right: 6px; vertical-align: 2px; }
.art-top { border-left: 3px solid var(--primary, #4f6ef7); }
.art-pager { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 22px; }
.art-pager-cur { font-size: 13.5px; color: var(--muted); }

/* 详情页 */
.art-detail { padding: 26px 30px; }
.art-title { font-size: 22px; font-weight: 800; line-height: 1.4; margin: 0 0 12px; color: var(--text); }
.art-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding-bottom: 14px; border-bottom: 1px dashed var(--border); margin-bottom: 16px; }
.art-meta-info { font-size: 12.5px; color: var(--muted); }
.art-cover { max-width: 100%; border-radius: 10px; margin-bottom: 16px; }
.art-summary {
    margin: 0 0 18px; padding: 12px 16px; font-size: 13.5px; line-height: 1.7;
    color: var(--muted); background: color-mix(in srgb, var(--primary, #4f6ef7) 6%, var(--bg));
    border-left: 3px solid var(--primary, #4f6ef7); border-radius: 0 8px 8px 0;
}
.art-content { font-size: 15px; line-height: 1.9; color: var(--text); word-break: break-word; }
.art-content img { max-width: 100%; border-radius: 8px; }
.art-content h2 { font-size: 18px; margin: 22px 0 10px; }
.art-content h3 { font-size: 16px; margin: 18px 0 8px; }
.art-content p { margin: 10px 0; }
.art-content ul, .art-content ol { margin: 10px 0; padding-left: 1.5em; }
.art-content a { color: var(--primary, #4f6ef7); }
.art-prevnext { display: flex; justify-content: space-between; gap: 10px; margin-top: 24px; padding-top: 16px; border-top: 1px dashed var(--border); }
.art-pn { font-size: 13px; color: var(--muted); max-width: 48%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.art-pn:hover { color: var(--primary, #4f6ef7); }

@media (max-width: 760px) {
    .art-list, .art-list-home, .art-list-rel { grid-template-columns: 1fr; }
    .art-detail { padding: 20px 16px; }
    .art-title { font-size: 19px; }
}