:root {
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: #17212d;
  background: #f5f8fb;
  --line: #dce6ee;
  --blue: #0f91b8;
  --blue2: #0a6f94;
  --muted: #65758a;
  --dark: #102636;
  --warm: #fff7e5;
  --warn: #b66a12;
}

* { box-sizing: border-box; }
body { margin: 0; background: #f5f8fb; color: #17212d; }
a { color: #063f7a; text-decoration: none; }
a:hover { color: var(--blue); }
button, input, textarea, select { font: inherit; }

.topbar {
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; }
.brand .icon { color: var(--blue); font-size: 26px; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a, .nav button { border: 0; background: transparent; color: #17212d; }

.home {
  width: min(980px, calc(100% - 32px));
  margin: auto;
  text-align: center;
  padding: 88px 0 52px;
}
.home.google-like {
  min-height: calc(100vh - 66px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 128px 0 70px;
}
.home.google-only {
  min-height: 100vh;
  padding: 0 20px 9vh;
}
.home h1 { font-size: clamp(32px, 5vw, 58px); line-height: 1.08; margin: 18px auto 28px; max-width: 780px; }
.big-brand { font-size: 34px; font-weight: 850; display: flex; gap: 12px; justify-content: center; align-items: center; }
.google-like .big-brand { font-size: 48px; margin-bottom: 30px; letter-spacing: 0; }
.google-like .big-brand .icon { font-size: 32px; color: var(--blue); }

.search-form {
  background: #fff;
  border: 1px solid #cbd9e5;
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(24,33,44,.08);
  display: flex;
  gap: 12px;
  align-items: center;
}
.search-form.large { max-width: 820px; height: 66px; margin: auto; padding: 0 8px 0 20px; }
.google-like .search-form.large {
  max-width: 640px;
  width: 100%;
  height: 54px;
  margin: 0 auto;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(24,33,44,.08);
}
.google-like .search-form.large:focus-within { box-shadow: 0 4px 16px rgba(24,33,44,.13); border-color: #c9d8e4; }
.search-form.compact { height: 56px; margin-bottom: 22px; padding: 0 8px 0 18px; }
.search-form input { border: 0; outline: 0; width: 100%; font-size: 17px; background: transparent; }
.search-form button, .primary {
  border: 0;
  background: var(--blue);
  color: #fff;
  border-radius: 6px;
  font-weight: 800;
  min-height: 42px;
  padding: 0 20px;
  white-space: nowrap;
  cursor: pointer;
}
.google-like .search-form.large button { border-radius: 999px; min-height: 38px; min-width: 64px; padding: 0 18px; }
.primary:hover, .search-form button:hover { background: var(--blue2); }

.ad {
  border: 1px dashed #d9ba7d;
  background: var(--warm);
  color: #57390c;
  border-radius: 8px;
  padding: 14px 16px;
  line-height: 1.65;
  font-size: 14px;
}
.ad a { color: var(--warn); font-weight: 800; }
.home .ad { margin: 18px auto 0; max-width: 820px; }
.home .native-home {
  max-width: 640px;
  border: 0;
  background: transparent;
  color: #667485;
  padding: 2px 8px;
  margin-top: 18px;
  font-size: 13px;
  box-shadow: none;
}
.native-home:before { content: "推荐"; display: inline-block; margin-right: 8px; color: #8a96a5; font-size: 12px; }
.native-home strong { font-weight: 600; color: #667485; }
.native-home a { color: #35556a; font-weight: 600; }

.chips, .related { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 22px; }
.chips a, .related a { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 13px; color: #2d4756; }
.google-like .chips { margin-top: 18px; }
.google-like .chips a { border: 0; background: transparent; color: #4d6274; padding: 5px 8px; font-size: 14px; }
.google-like .chips a:hover { text-decoration: underline; color: var(--blue2); }

.shell, .home-grid { width: min(1180px, calc(100% - 32px)); margin: auto; }
.home-grid { display: grid; grid-template-columns: 1fr 330px; gap: 24px; padding-bottom: 56px; }
.quiet-grid { margin-top: 6px; }
.quiet-grid .title-row { color: #526476; }
.layout { display: grid; grid-template-columns: 1fr 310px; gap: 24px; padding: 34px 0 64px; }
.title-row { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; }
.title-row h2 { font-size: 19px; margin: 0; }
.card, .result, .sidebar, .panel, .metric { background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.quiet-grid .card, .quiet-grid .result { box-shadow: none; }

.result { padding: 18px 20px; margin-bottom: 14px; }
.result h2 { font-size: 20px; margin: 0 0 8px; }
.result p { color: #425263; line-height: 1.65; margin: 8px 0; }
.url { color: #087237; word-break: break-all; font-size: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 11px; }
.tags span { border: 1px solid var(--line); background: #f8fafc; border-radius: 999px; color: var(--muted); padding: 3px 8px; font-size: 12px; }

.side { display: grid; gap: 16px; }
.rank { padding: 18px; }
.rank h3 { margin: 0 0 12px; }
.rank a { display: flex; align-items: center; gap: 10px; padding: 7px 0; color: #17212d; }
.rank b { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 5px; background: #e8f5f8; color: var(--blue2); font-size: 12px; }
.meta, .hint { color: var(--muted); }
.empty { border: 1px dashed var(--line); background: #fff; padding: 28px; text-align: center; border-radius: 8px; color: var(--muted); }
.float-ad { position: fixed; right: 18px; bottom: 18px; max-width: 300px; box-shadow: 0 12px 34px rgba(24,33,44,.12); }

.admin { min-height: 100vh; display: grid; grid-template-columns: 238px 1fr; }
.admin-aside { background: var(--dark); color: #d8e7ef; padding: 18px 14px; position: sticky; top: 0; height: 100vh; }
.admin-aside .brand { color: #fff; padding: 10px 10px 24px; }
.admin-aside a { display: flex; align-items: center; gap: 10px; color: #d8e7ef; min-height: 42px; border-radius: 6px; padding: 0 12px; margin: 4px 0; }
.admin-aside a.active, .admin-aside a:hover { background: #1d3a4d; color: #fff; }
.admin-main { padding: 28px; }
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.admin-head h1 { margin: 0 0 6px; font-size: 28px; }
.admin-head p { margin: 0; color: var(--muted); }
.panel { padding: 18px; margin-bottom: 18px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.field { display: grid; gap: 7px; }
.field span, .check { font-size: 14px; font-weight: 800; color: #344252; }
.field input, .field textarea, .field select, .bulk { border: 1px solid #ccd8e2; border-radius: 6px; background: #fff; outline: 0; }
.field input, .field select { height: 42px; padding: 0 12px; }
.field textarea, .bulk { min-height: 132px; padding: 12px; resize: vertical; }
.bulk { width: 100%; min-height: 210px; }
.actions { display: flex; align-items: center; gap: 14px; margin-top: 18px; }
.ok { color: #117044; font-weight: 800; }
.table { display: grid; gap: 8px; margin-top: 14px; }
.row { min-height: 48px; display: grid; grid-template-columns: 220px minmax(0,1fr) auto; align-items: center; gap: 12px; padding: 10px 12px; background: #f8fafc; border: 1px solid var(--line); border-radius: 6px; }
.row span { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row button, .outline { border: 1px solid var(--line); background: #fff; border-radius: 6px; min-height: 36px; padding: 0 12px; cursor: pointer; }
.metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.metric { padding: 18px; display: grid; gap: 8px; }
.metric strong { font-size: 30px; }
.login { min-height: 100vh; display: grid; place-items: center; }
.login form { width: min(390px, calc(100% - 32px)); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 26px; box-shadow: 0 12px 34px rgba(24,33,44,.1); }
.login input { width: 100%; height: 44px; border: 1px solid #ccd8e2; border-radius: 6px; padding: 0 12px; margin: 12px 0; }
.error { color: #b42318; font-weight: 800; }
.sitemap-links { display: flex; gap: 12px; flex-wrap: wrap; }
.sitemap-links a { font-weight: 800; color: var(--blue2); }

@media (max-width: 860px) {
  .topbar { padding: 0 16px; }
  .nav { gap: 10px; }
  .home-grid, .layout, .admin, .grid, .metrics { grid-template-columns: 1fr; }
  .home { padding-top: 52px; }
  .home.google-like { min-height: 460px; padding: 72px 0 46px; }
  .home.google-only { min-height: 100vh; padding: 0 16px 9vh; }
  .google-like .big-brand { font-size: 38px; }
  .search-form.large, .search-form.compact { height: auto; flex-wrap: wrap; padding: 10px; }
  .search-form input { flex-basis: calc(100% - 44px); }
  .search-form button { width: 100%; }
  .google-like .search-form.large button { border-radius: 8px; }
  .admin-aside { position: static; height: auto; }
  .admin-main { padding: 18px 14px; }
  .admin-head, .actions { align-items: stretch; flex-direction: column; }
  .row { grid-template-columns: 1fr; }
}