:root {
  --bg: #f6f8f7;
  --bg-soft: #edf3f1;
  --card: #ffffff;
  --card-hover: #f0f8f5;
  --line: #d7e3df;
  --text: #18312f;
  --muted: #647b78;
  --accent: #168b78;
  --accent-2: #d98a35;
  --radius: 10px;
  --wrap: 1360px;
  --shadow: 0 10px 30px rgba(26, 66, 59, .12);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Hiragino Sans", "Noto Sans", "PingFang SC",
               "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 40;
  background: rgba(246, 248, 247, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.head-inner {
  display: flex; align-items: center; gap: 16px;
  padding-top: 12px; padding-bottom: 12px;
}
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 20px; }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 4px rgba(115, 213, 197, .12);
}

.search { flex: 1; display: flex; gap: 8px; min-width: 0; }
.search input {
  flex: 1; min-width: 0;
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px; font-size: 15px;
}
.search input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.search button {
  background: var(--accent); color: #fff; border: 0;
  border-radius: 10px; padding: 10px 20px; font-size: 15px; font-weight: 600;
  cursor: pointer;
}
.search button:hover { background: #0f6f61; }

/* 语言下拉 */
.langbar { position: relative; }
.langdd summary {
  list-style: none; cursor: pointer; user-select: none;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 12px; font-size: 14px;
  display: flex; align-items: center; gap: 6px; white-space: nowrap;
}
.langdd summary::-webkit-details-marker { display: none; }
.langdd[open] summary { border-color: var(--accent); }
.langdd ul {
  position: absolute; right: 0; top: calc(100% + 6px);
  margin: 0; padding: 6px; list-style: none;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; box-shadow: var(--shadow);
  min-width: 170px; max-height: 70vh; overflow: auto; z-index: 50;
}
.langdd li a {
  display: block; padding: 8px 10px; border-radius: 7px;
  color: var(--text); font-size: 14px;
}
.langdd li a:hover { background: var(--card-hover); text-decoration: none; }
.langdd li a.cur { background: var(--accent); color: #fff; }
.caret { opacity: .7; font-size: 11px; }

/* 分类横条 */
.catbar {
  border-top: 1px solid var(--line);
  overflow-x: auto; scrollbar-width: thin;
}
.catbar .wrap { display: flex; gap: 4px; padding-top: 8px; padding-bottom: 8px; white-space: nowrap; }
.catbar a {
  color: var(--muted); font-size: 14px; padding: 6px 12px;
  border-radius: 999px; white-space: nowrap;
}
.catbar a:hover { background: var(--card-hover); color: var(--text); text-decoration: none; }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 42%);
  gap: 34px; align-items: center; padding-top: 46px; padding-bottom: 34px;
}
.hero-copy { padding: 18px 0; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 12px; }
.hero-title {
  max-width: 720px; font-size: clamp(32px, 5vw, 58px); line-height: 1.08; margin: 0 0 16px;
  letter-spacing: 0; color: var(--text);
}
.hero-tag { color: var(--muted); font-size: 17px; margin: 0 0 24px; }
.hero-visual { position: relative; display: block; min-height: 270px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-soft); box-shadow: var(--shadow); }
.hero-visual img { width: 100%; height: 100%; min-height: 270px; object-fit: cover; transition: transform .35s ease; }
.hero-visual:hover img { transform: scale(1.03); }
.hero-visual-caption { position: absolute; right: 14px; bottom: 12px; left: 14px; color: #fff; font-size: 13px; text-shadow: 0 2px 12px #000; }

.tagcloud { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; }
.tagcloud-label { color: var(--muted); font-size: 13px; }
.tag {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 13px; font-size: 13px; color: var(--muted);
}
.tag:hover { border-color: var(--accent); color: var(--text); text-decoration: none; }

/* ---------- 分类卡 ---------- */
.catgrid {
  display: grid; gap: 10px; padding-bottom: 28px;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
}
.catcard {
  background: linear-gradient(145deg, var(--card), var(--bg-soft)); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; min-height: 78px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 3px;
}
.catcard:hover { background: var(--card-hover); border-color: var(--accent); text-decoration: none; transform: translateY(-2px); }
.catcard-name { color: var(--text); font-weight: 600; }
.catcard-en { color: var(--muted); font-size: 12px; }

/* ---------- grid ---------- */
.sec-title { font-size: 18px; color: var(--muted); font-weight: 600; margin: 30px 0 14px; }
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.card {
  margin: 0; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: var(--shadow); }
.card-link { display: block; color: inherit; }
.card-link:hover { text-decoration: none; }
.card-img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  background: var(--bg-soft); display: block; transition: transform .3s ease;
}
.card:hover .card-img { transform: scale(1.025); }
.card-cap {
  padding: 9px 11px; display: flex; flex-direction: column; gap: 2px;
}
.card-title {
  font-size: 13px; color: var(--text); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta { font-size: 11px; color: var(--muted); }

/* ---------- 列表页 ---------- */
.crumbs { display: flex; gap: 8px; color: var(--muted); font-size: 13px; padding: 22px 0 8px; flex-wrap: wrap; }
.page-title { font-size: clamp(22px, 3.4vw, 32px); margin: 6px 0 6px; }
.page-sub { color: var(--muted); font-size: 14px; margin: 0 0 20px; }
.empty { color: var(--muted); padding: 50px 0; text-align: center; }

/* ---------- 详情页 ---------- */
.detail { padding-bottom: 40px; }
.detail-title { font-size: clamp(20px, 3vw, 30px); margin: 6px 0 16px; }
.detail-fig {
  margin: 0 0 20px; background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px; text-align: center;
}
.detail-img {
  max-height: 78vh; width: auto; margin: 0 auto;
  border-radius: 8px; object-fit: contain;
}
.detail-fig figcaption { margin-top: 12px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block; background: var(--card); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 20px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.btn:hover { background: var(--card-hover); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #4a7cf0; }

.meta {
  display: grid; gap: 10px; margin: 0 0 22px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.meta > div {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 11px 14px;
}
.meta dt { color: var(--muted); font-size: 12px; margin-bottom: 3px; }
.meta dd { margin: 0; font-size: 14px; word-break: break-word; }

.detail-desc { margin: 0 0 22px; }
.detail-desc h2 { font-size: 18px; margin: 0 0 8px; }
.detail-desc p { color: var(--muted); margin: 0; }
.detail .tagcloud { justify-content: flex-start; margin-bottom: 22px; }

.ad-band { max-width: 970px; }
.ad-slot {
  margin: 24px auto; min-height: 90px; max-width: 970px; padding: 12px 0;
  text-align: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.ad-label { display: block; color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 8px; }
.adsbygoogle { min-height: 50px; }

.related h2 { font-size: 18px; margin: 30px 0 14px; }

.prose { max-width: 760px; padding-bottom: 50px; }
.prose h2 { font-size: 19px; margin: 26px 0 8px; }
.prose p { color: var(--muted); }
.about-cats { list-style: none; padding: 0; }
.about-cats li { padding: 7px 0; border-bottom: 1px solid var(--line); }
.muted { color: var(--muted); font-size: 13px; }

/* ---------- pager ---------- */
.pager {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  padding: 30px 0 10px;
}
.pg {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 18px; font-size: 14px; color: var(--text);
}
.pg:hover { background: var(--card-hover); border-color: var(--accent); text-decoration: none; }
.pg.disabled { opacity: .38; pointer-events: none; }
.pg-info { color: var(--muted); font-size: 13px; }

/* ---------- footer ---------- */
.site-foot {
  border-top: 1px solid var(--line); background: var(--bg-soft);
  margin-top: 40px; padding: 34px 0 26px;
}
.foot-cols {
  display: grid; gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.site-foot h3 { margin: 0 0 8px; font-size: 17px; }
.site-foot h4 { margin: 0 0 10px; font-size: 14px; color: var(--text); }
.foot-desc { color: var(--muted); font-size: 13px; margin: 0; }
.foot-links { list-style: none; padding: 0; margin: 0; }
.foot-links li { padding: 4px 0; }
.foot-links a { color: var(--muted); font-size: 13px; }
.foot-links a:hover { color: var(--text); }
.foot-copy {
  color: var(--muted); font-size: 12px; margin: 26px 0 0;
  padding-top: 16px; border-top: 1px solid var(--line);
}

/* ---------- 404 ---------- */
.nf { text-align: center; padding: 90px 20px; }
.nf h1 { font-size: 62px; margin: 0 0 10px; }

/* ---------- RTL ---------- */
[dir="rtl"] .langdd ul { right: auto; left: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 760px) {
  .head-inner { flex-wrap: wrap; gap: 10px; }
  .search { order: 3; width: 100%; flex-basis: 100%; }
  .logo { font-size: 18px; }
  .hero { grid-template-columns: 1fr; gap: 18px; padding-top: 28px; }
  .hero-copy { padding: 0; }
  .hero-title { font-size: clamp(30px, 9vw, 44px); }
  .hero-visual, .hero-visual img { min-height: 220px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .catgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-cap { padding: 8px 9px; }
  .card-title { font-size: 12px; }
  .detail-img { max-height: 56vh; }
  .foot-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 420px) {
  .wrap { padding-left: 14px; padding-right: 14px; }
  .grid { gap: 8px; }
  .catgrid { gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- 隐私政策页 ---------- */
/* 审核视角：政策要「能一眼看到结构」。目录 + 分节 + 充足行高，
   比一大坨密排文字更容易被判为完整政策。 */
.privacy-updated { font-size: 13px; margin: 0 0 22px; }
.privacy-toc {
  background: var(--panel, rgba(255, 255, 255, .04));
  border: 1px solid var(--line, rgba(255, 255, 255, .09));
  border-radius: 12px;
  padding: 16px 20px 16px 36px;
  margin: 0 0 30px;
}
.privacy-toc ol { margin: 0; padding: 0; }
.privacy-toc li { margin: 5px 0; font-size: 14px; }
.privacy-toc a { color: var(--link, #7aa2f7); text-decoration: none; }
.privacy-toc a:hover { text-decoration: underline; }
.privacy-sec { margin: 0 0 26px; scroll-margin-top: 12px; }
.privacy-sec h2 { margin-top: 30px; }
.privacy-sec p, .privacy-sec li { line-height: 1.75; }
.privacy-sec ul { padding-left: 22px; }
.privacy-sec li { margin: 6px 0; }
[dir="rtl"] .privacy-toc { padding: 16px 36px 16px 20px; }
[dir="rtl"] .privacy-sec ul { padding-left: 0; padding-right: 22px; }