/* ==========================================================================
   clgou.com 磁力资源索引站 - 前端样式
   设计基调：浅色底 + 深蓝主色 + 青色点缀（与参考站做差异化）
   列表与详情内容全部由 PHP 服务端输出，样式层不依赖任何 JS 框架
   ========================================================================== */

:root {
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --accent: #0ea5e9;
  --text: #0f172a;
  --muted: #64748b;
  --faint: #94a3b8;
  --bg: #f5f7fb;
  --card: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px -18px rgba(15, 23, 42, .28);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; border: 0; }
h1, h2, h3 { line-height: 1.35; }

.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.page-main { flex: 1 0 auto; padding-top: 18px; padding-bottom: 44px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 99;
  background: var(--primary); color: #fff; padding: 8px 14px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.muted { color: var(--muted); font-size: 13px; }

/* ---------------- 顶栏 ---------------- */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30;
}
.header-inner {
  display: flex; align-items: center; gap: 18px;
  min-height: 60px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px;
}
.logo { display: inline-flex; align-items: center; gap: 9px; flex: none; }
.logo-mark { flex: none; }
.logo-text { font-size: 18px; font-weight: 700; letter-spacing: .2px; display: inline-flex; align-items: baseline; gap: 6px; }
.logo-domain { font-size: 12px; font-weight: 400; color: var(--faint); font-style: normal; }

/* 文章栏导航（替代参考站的栏目锚点） */
.art-nav { display: flex; align-items: center; gap: 4px; flex: 1 1 auto; overflow-x: auto; scrollbar-width: none; }
.art-nav::-webkit-scrollbar { display: none; }
.art-nav a {
  white-space: nowrap; padding: 6px 11px; border-radius: 8px;
  font-size: 14px; color: #475569;
}
.art-nav a:hover { background: #eef4ff; color: var(--primary); }
.art-nav .art-nav-home { font-weight: 600; color: var(--text); }

.top-search { display: flex; align-items: center; flex: 0 1 260px; min-width: 180px;
  border: 1px solid var(--border); border-radius: 999px; background: #f8fafc; padding: 2px 4px 2px 14px; }
.top-search:focus-within { border-color: rgba(29, 78, 216, .5); background: #fff; box-shadow: 0 0 0 3px rgba(29, 78, 216, .1); }
.top-search input { flex: 1 1 auto; min-width: 0; border: 0; outline: 0; background: transparent; height: 32px; font-size: 14px; color: var(--text); }
.top-search button {
  flex: none; width: 32px; height: 32px; border: 0; border-radius: 50%;
  background: var(--primary); color: #fff; cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
}
.top-search button:hover { background: var(--primary-dark); }

/* ---------------- 首页 Hero 搜索区 ---------------- */
.hero {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e3a8a 48%, #0f172a 100%);
  color: #fff; border-radius: 16px;
  padding: 40px 26px 30px; margin-bottom: 26px; text-align: center;
  box-shadow: 0 18px 40px -28px rgba(30, 58, 138, .9);
}
.hero-title { font-size: 27px; margin: 0 0 8px; font-weight: 700; letter-spacing: .5px; }
.hero-sub { margin: 0 0 22px; color: #c7d7f6; font-size: 14px; }
.hero-search {
  display: flex; align-items: center; gap: 10px;
  max-width: 680px; margin: 0 auto; background: #fff;
  border-radius: 12px; padding: 7px 7px 7px 14px;
  box-shadow: 0 12px 30px -14px rgba(2, 6, 23, .55);
}
.hs-icon { flex: none; color: var(--faint); display: inline-flex; }
.hs-input { flex: 1 1 auto; min-width: 0; border: 0; outline: 0; height: 40px; font-size: 15px; color: var(--text); background: transparent; }
.hs-btn {
  flex: none; border: 0; border-radius: 9px; cursor: pointer; height: 40px; padding: 0 24px;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-size: 15px; font-family: inherit;
}
.hs-btn:hover { filter: brightness(1.07); }
.engine-tabs { display: flex; justify-content: center; gap: 8px; margin-top: 18px; flex-wrap: wrap; }
.etab {
  border: 1px solid rgba(255, 255, 255, .28); background: rgba(255, 255, 255, .08); color: #dbe6fb;
  border-radius: 999px; padding: 5px 15px; font-size: 13px; cursor: pointer; font-family: inherit;
}
.etab:hover { background: rgba(255, 255, 255, .18); }
.etab.active { background: #fff; color: var(--primary-dark); border-color: #fff; font-weight: 600; }

/* ---------------- 通用区块 ---------------- */
.mod { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 20px; box-shadow: var(--shadow); }
.mod-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.mod-title { font-size: 18px; margin: 0; display: flex; align-items: center; gap: 9px; }
.mod-title .bar { width: 4px; height: 17px; border-radius: 3px; background: linear-gradient(180deg, var(--primary), var(--accent)); display: inline-block; }
.mod-tip { font-size: 12px; color: var(--faint); }
.mod-more { font-size: 13px; color: var(--primary); }
.cat-desc { margin: 0 0 14px; color: var(--muted); font-size: 14px; }
.empty { color: var(--muted); padding: 26px 4px; text-align: center; }

/* ---------------- 链接分组（磁力导航 / 固定栏目） ---------------- */
.link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px 26px; }
.link-group { min-width: 0; }
.lg-title { font-size: 13px; margin: 0 0 10px; display: flex; align-items: baseline; gap: 6px; padding-bottom: 6px; border-bottom: 1px dashed var(--border); }
.lg-main { color: var(--faint); font-weight: 400; }
.lg-sub { color: var(--primary); font-weight: 700; }
.lg-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px 10px; }
.lg-list li { min-width: 0; }
.lg-list a { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 8px; font-size: 14px; color: #334155; }
.lg-list a:hover { background: #eef4ff; color: var(--primary); }
.lg-ico { flex: none; width: 28px; height: 28px; border-radius: 8px; background: #eef2ff; display: inline-flex; align-items: center; justify-content: center; overflow: hidden; }
.lg-ico img { width: 20px; height: 20px; object-fit: contain; }
.ico-char { font-size: 15px; line-height: 1; }
.lg-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------------- 两栏布局 ---------------- */
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: start; }
.col-main { min-width: 0; }
.col-side { min-width: 0; display: flex; flex-direction: column; gap: 16px; }

/* ---------------- 标签 chip ---------------- */
.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  display: inline-block; font-size: 12px; padding: 2px 9px; border-radius: 999px;
  background: #f1f5f9; color: #475569; border: 1px solid transparent; white-space: nowrap;
}
.chip:hover { background: #eef4ff; color: var(--primary); border-color: #c7d7f6; }
.chip-cat { background: #eef4ff; color: var(--primary); }
.chip.current { background: var(--primary); color: #fff; }
.chip .cnt { margin-left: 5px; color: var(--faint); font-size: 11px; }

/* ---------------- 资讯列表 ---------------- */
.art-list { display: grid; gap: 12px; }
.art-card { border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; background: #fff; }
.art-card:hover { border-color: #c7d7f6; }
.art-title { font-size: 16px; margin: 0 0 5px; font-weight: 600; }
.art-title a { color: var(--text); }
.art-title a:hover { color: var(--primary); }
.art-summary { margin: 0 0 8px; color: var(--muted); font-size: 13.5px; }
.art-meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--faint); }

/* ---------------- 分页 ---------------- */
.pager { display: flex; align-items: center; justify-content: center; gap: 7px; margin: 20px 0 4px; flex-wrap: wrap; }
.pg-btn { min-width: 36px; padding: 6px 11px; border-radius: 8px; background: #fff; border: 1px solid var(--border); font-size: 14px; text-align: center; color: #334155; }
.pg-btn:hover { border-color: var(--primary); color: var(--primary); }
.pg-btn.current { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; border-color: transparent; }
.pg-btn.disabled { color: #cbd5e1; background: #f8fafc; }
.pg-gap { color: var(--faint); }
.pg-info { color: var(--faint); font-size: 12.5px; margin-left: 6px; }

/* ---------------- 侧栏 ---------------- */
.side-box { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 15px 16px; box-shadow: var(--shadow); }
.side-title { font-size: 15px; margin: 0 0 11px; padding-left: 9px; border-left: 3px solid var(--accent); }
.side-cats { list-style: none; margin: 0; padding: 0; }
.side-cats li + li { border-top: 1px dashed var(--border); }
.side-cats a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 7px 2px; font-size: 14px; color: #334155; }
.side-cats a:hover, .side-cats a.current { color: var(--primary); }
.side-cats .cnt { font-size: 12px; color: var(--faint); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 7px; }
.side-rank { list-style: none; margin: 0; padding: 0; counter-reset: r; }
.side-rank li { display: flex; gap: 8px; padding: 5px 0; font-size: 13.5px; align-items: baseline; }
.side-rank a { color: #334155; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-rank a:hover { color: var(--primary); }
.rank-no { flex: none; width: 18px; height: 18px; line-height: 18px; text-align: center; border-radius: 5px; background: #f1f5f9; color: var(--muted); font-size: 11px; }
.rank-no.top { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; }
.side-arts { list-style: none; margin: 0; padding: 0; }
.side-arts li { padding: 6px 0; border-bottom: 1px dashed var(--border); font-size: 13.5px; }
.side-arts li:last-child { border-bottom: none; }
.side-arts a { color: #334155; }
.side-arts a:hover { color: var(--primary); }

/* ---------------- 详情页 ---------------- */
.detail { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; margin-bottom: 20px; box-shadow: var(--shadow); }
.detail-title { font-size: 23px; margin: 0 0 10px; }
.detail-meta { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-bottom: 12px; font-size: 13px; color: var(--faint); }
.detail-summary { margin: 0 0 18px; padding: 11px 14px; background: #f8fafc; border-left: 3px solid var(--accent); color: #475569; border-radius: 0 8px 8px 0; font-size: 14px; }
.sec-title { font-size: 16px; margin: 24px 0 10px; }

code { background: #f1f5f9; padding: 1px 6px; border-radius: 4px; font-size: 12.5px; }

.rich { font-size: 15px; color: #1e293b; }
.rich p { margin: 0 0 12px; }
.rich h2 { font-size: 17px; margin: 20px 0 8px; }
.rich h3 { font-size: 15.5px; margin: 16px 0 7px; }
.rich ul, .rich ol { padding-left: 22px; margin: 0 0 12px; }
.rich li { margin-bottom: 4px; }
.rich blockquote { margin: 0 0 12px; padding: 8px 14px; background: #f8fafc; border-left: 3px solid #cbd5e1; color: #475569; }
.rich img { border-radius: 8px; margin: 8px 0; }

/* ---------------- 面包屑 ---------------- */
.breadcrumb { margin: 0 0 14px; font-size: 13px; color: var(--muted); }
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumb li { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before { content: '/'; color: #cbd5e1; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }

/* ---------------- 站内搜索表单（内页） ---------------- */
.inline-search { display: flex; gap: 8px; margin-bottom: 16px; }
.inline-search input {
  flex: 1 1 auto; min-width: 0; border: 1px solid var(--border); border-radius: 9px;
  padding: 9px 13px; font-size: 14px; font-family: inherit; outline: none; background: #fff;
}
.inline-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(29, 78, 216, .12); }
.inline-search button {
  flex: none; border: 0; border-radius: 9px; padding: 0 22px; cursor: pointer; font-family: inherit; font-size: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff;
}
.nf-wrap { text-align: center; }
.nf-wrap .inline-search { max-width: 480px; margin: 0 auto 4px; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: #0f172a; color: #94a3b8; margin-top: 30px; padding: 30px 0 20px; font-size: 13.5px; }
.footer-inner { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.foot-title { font-size: 14px; color: #e2e8f0; margin: 0 0 10px; }
.foot-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.foot-links a { color: #94a3b8; }
.foot-links a:hover { color: #fff; }
.foot-tags { flex-direction: row; flex-wrap: wrap; gap: 6px 12px; }
.foot-count { color: #475569; font-size: 12px; margin-left: 4px; }
.foot-about p { margin: 0; color: #64748b; font-size: 13px; line-height: 1.75; }
.foot-bottom { margin-top: 22px; padding-top: 14px; border-top: 1px solid #1e293b; text-align: center; color: #64748b; font-size: 12.5px; }
.foot-bottom p { margin: 4px 0; }
.foot-bottom a { color: #94a3b8; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .two-col { grid-template-columns: minmax(0, 1fr); }
  .col-side { order: 2; }
  .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .hero { padding: 28px 16px 24px; border-radius: 12px; }
  .hero-title { font-size: 21px; }
  .hero-search { flex-wrap: nowrap; }
  .hs-btn { padding: 0 16px; }
  .link-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .lg-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-list { grid-template-columns: minmax(0, 1fr); }
  .detail { padding: 18px 16px; }
  .detail-title { font-size: 19px; }
  .mb-row { flex-wrap: wrap; }
  .mb-copy { width: 100%; height: 38px; }
  .footer-inner { grid-template-columns: minmax(0, 1fr); }
  .top-search { flex: 1 1 100%; }
}

/* ---------------- 条目较多的分组（如站点列表）占满整行、多列展示 ---------------- */
.link-group.wide { grid-column: 1 / -1; }
.link-group.wide .lg-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1024px) {
  .link-group.wide .lg-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .link-group.wide .lg-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}