/* 谷姐网 ggjjee.com —— 全站共用样式（Google 配色体系） */
:root {
  --bg: #f8f9fa;
  --card: #ffffff;
  --ink: #202124;
  --muted: #5f6368;
  --gblue: #4285F4;
  --gred: #EA4335;
  --gyellow: #FBBC05;
  --ggreen: #34A853;
  --brand: #4285F4;
  --brand-dark: #3367d6;
  --brand-soft: #e8f0fe;
  --accent: #34A853;
  --accent-soft: #e6f4ea;
  --line: #dadce0;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}
a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶栏 ===== */
.topbar {
  background: #fff; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.topbar .wrap { display: flex; align-items: center; gap: 18px; height: 54px; flex-wrap: wrap; }
.topbar .brand { font-weight: 800; font-size: 17px; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.topbar .brand i {
  width: 26px; height: 26px; border-radius: 7px; background: #ffffff;
  box-shadow: 0 1px 3px rgba(0,0,0,.18); display: flex; overflow: hidden;
}
.topbar .brand i svg { display: block; }
.topbar nav { display: flex; gap: 16px; flex-wrap: wrap; }
.topbar nav a { font-size: 14.5px; color: var(--muted); font-weight: 600; }
.topbar nav a.active, .topbar nav a:hover { color: var(--brand-dark); }

/* ===== 页头 ===== */
header.hero {
  background: linear-gradient(135deg, #4285F4 0%, #3367d6 60%, #2a56c6 100%);
  color: #fff; padding: 34px 0 28px;
}
header.hero h1 { font-size: 26px; font-weight: 800; margin-bottom: 6px; }
header.hero p { font-size: 15px; color: rgba(255,255,255,.88); max-width: 760px; }
.crumb { font-size: 13px; color: rgba(255,255,255,.75); margin-bottom: 8px; }
.crumb a { color: #fde293; }

/* ===== 面包屑（正文上方，深色版） ===== */
nav.crumbs { font-size: 13px; color: var(--muted); padding: 16px 0 0; }
nav.crumbs a { color: var(--brand-dark); }

/* ===== 区块 ===== */
main { padding: 26px 0 20px; }
.sec { margin-bottom: 34px; }
.sec > h2 {
  font-size: 20px; color: var(--ink); margin-bottom: 4px;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.sec > h2::after { content: ""; flex: 1; height: 1px; background: var(--line); min-width: 40px; }
.sec > p.desc { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.sec > p.lead { font-size: 15.5px; color: var(--ink); margin-top: 8px; }
a.card, a.ncard { color: inherit; display: block; }
a.card:hover, a.ncard:hover { text-decoration: none; border-color: var(--brand); }
a.card .go, a.ncard .go { color: var(--brand-dark); font-weight: 600; font-size: 13px; }
h3.sub { font-size: 16px; margin: 20px 0 8px; color: var(--brand-dark); }

/* ===== 卡片 ===== */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 15px 17px;
}
.card:hover { box-shadow: 0 6px 16px rgba(32,33,36,.10); }
.card .yr {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: 6px; margin-bottom: 6px;
}
.yr.b { background: var(--brand-soft); color: var(--brand-dark); }
.yr.r { background: #fce8e6; color: #c5221f; }
.yr.y { background: #fef7e0; color: #b06000; }
.yr.g { background: var(--accent-soft); color: #137333; }
.card h3 { font-size: 15px; margin-bottom: 3px; }
.card p { font-size: 13px; color: var(--muted); }
.card .meta { font-size: 12px; color: var(--muted); margin-top: 7px; display: block; }

/* ===== 时间线 ===== */
.tl { border-left: 2px solid var(--line); padding-left: 18px; margin-left: 6px; }
.tl .card { position: relative; margin-bottom: 10px; }
.tl .card::before {
  content: ""; position: absolute; left: -25px; top: 20px;
  width: 10px; height: 10px; border-radius: 50%; background: var(--brand);
  border: 2px solid #fff; box-shadow: 0 0 0 2px var(--brand-soft);
}
.tl .card:nth-child(2)::before { background: var(--gred); box-shadow: 0 0 0 2px #fce8e6; }
.tl .card:nth-child(3)::before { background: var(--gyellow); box-shadow: 0 0 0 2px #fef7e0; }
.tl .card:nth-child(4)::before { background: var(--ggreen); box-shadow: 0 0 0 2px var(--accent-soft); }
.tl .card:nth-child(5)::before { background: var(--brand); }
.tl .card:nth-child(6)::before { background: var(--gred); box-shadow: 0 0 0 2px #fce8e6; }
.tl .card:nth-child(7)::before { background: var(--gyellow); box-shadow: 0 0 0 2px #fef7e0; }
.tl .card:nth-child(8)::before { background: var(--ggreen); box-shadow: 0 0 0 2px var(--accent-soft); }

/* ===== FAQ ===== */
.faq { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:last-child { border-bottom: none; }
.faq summary {
  padding: 14px 18px; cursor: pointer; font-weight: 600; font-size: 15px;
  list-style: none; display: flex; justify-content: space-between; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; color: var(--brand); font-weight: 700; }
.faq details[open] summary::after { content: "－"; }
.faq .ans { padding: 0 18px 16px; font-size: 14px; color: var(--muted); }

/* ===== 表格 ===== */
.tblwrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; background: var(--card); font-size: 14px; }
table.tbl th, table.tbl td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
table.tbl th { background: var(--brand-soft); color: var(--brand-dark); font-size: 13.5px; }
table.tbl td:first-child { font-weight: 700; white-space: nowrap; }

/* ===== 引用 ===== */
.quote {
  background: var(--card); border-left: 4px solid var(--brand);
  border-radius: 8px; padding: 14px 18px; margin-bottom: 14px; font-size: 14.5px;
}
.quote small { display: block; color: var(--muted); font-size: 13px; margin-top: 6px; }

/* ===== 内部链接推荐 ===== */
.reco { display: flex; gap: 10px; flex-wrap: wrap; }
.reco a {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 16px; font-size: 14px; font-weight: 600; color: var(--brand-dark);
}
.reco a:hover { border-color: var(--brand); text-decoration: none; }

/* ===== 搜索组件（结果由必应提供） ===== */
.sb { position: relative; }
.sb-scopes { display: flex; gap: 6px; margin-bottom: 8px; }
.sb-scopes button {
  border: none; background: rgba(255,255,255,.16); color: #fff;
  font-size: 12.5px; padding: 4px 15px; border-radius: 999px;
  cursor: pointer; font-weight: 600; font-family: inherit;
}
.sb-scopes button:hover { background: rgba(255,255,255,.3); }
.sb-scopes button.on { background: #fff; color: var(--brand-dark); }
.sb-form {
  position: relative;
  display: flex; gap: 10px; background: #fff; border-radius: 999px;
  padding: 8px 8px 8px 22px; box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.sb-form input {
  flex: 1; min-width: 0; border: none; outline: none;
  font-size: 16px; color: var(--ink); background: transparent;
  font-family: inherit;
}
.sb-form button {
  border: none; background: var(--brand); color: #fff;
  padding: 10px 26px; border-radius: 999px; font-size: 15px;
  cursor: pointer; font-weight: 600; white-space: nowrap; font-family: inherit;
}
.sb-form button:hover { background: var(--brand-dark); }
.sb-panel {
  display: none; position: absolute; left: 0; right: 0; top: calc(100% + 6px);
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 14px 32px rgba(32,33,36,.20); z-index: 60;
  max-height: 430px; overflow-y: auto; text-align: left; color: var(--ink);
}
.sb.open .sb-panel { display: block; }
.sb-row {
  display: flex; align-items: center; gap: 10px; padding: 10px 16px;
  font-size: 14px; cursor: pointer; border-bottom: 1px solid #f1f3f4;
}
.sb-row:last-child { border-bottom: none; }
.sb-row:hover, .sb-row.act { background: var(--brand-soft); }
.sb-row b { font-weight: 700; }
.sb-row .ic { width: 20px; flex: none; text-align: center; font-size: 13px; }
.sb-row .tx { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-row .sub { font-size: 11.5px; color: var(--muted); }
.sb-row .tag { flex: none; font-size: 11px; color: var(--muted); }
.sb-row mark { background: #fef7e0; color: #b06000; padding: 0 1px; border-radius: 2px; }
.sb-gttl { font-size: 11.5px; color: var(--muted); padding: 8px 16px 5px; background: #fafbfc; }
.sb-gttl a { color: var(--brand-dark); }
.sb-hot { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.sb-hot b { font-size: 12.5px; color: rgba(255,255,255,.78); font-weight: 600; }
.sb-hot a {
  font-size: 12.5px; padding: 4px 12px; border-radius: 999px;
  background: rgba(255,255,255,.14); color: #fff; font-weight: 600;
}
.sb-hot a:hover { background: rgba(255,255,255,.3); text-decoration: none; }
.sb-note { margin-top: 10px; font-size: 12.5px; color: rgba(255,255,255,.72); }
.sb-hit { animation: sbhit 1.6s ease; }
@keyframes sbhit {
  0%, 100% { box-shadow: none; }
  15%, 60% { box-shadow: 0 0 0 3px rgba(66,133,244,.55); }
}

/* 顶栏迷你搜索 */
.sbm { position: relative; display: flex; align-items: center; gap: 6px; margin-left: auto; padding: 6px 0; }
.sbm-sw { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.sbm-sw button {
  border: none; background: #fff; color: var(--muted); font-size: 12px;
  padding: 5px 11px; cursor: pointer; font-family: inherit; font-weight: 600;
}
.sbm-sw button:hover { background: var(--brand-soft); }
.sbm-sw button.on { background: var(--brand); color: #fff; }
.sbm input {
  width: 178px; border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 40px 7px 14px; font-size: 14px; outline: none;
  color: var(--ink); font-family: inherit; background: #fff;
}
.sbm input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.sbm > button[type="submit"] {
  position: absolute; right: 4px; border: none; background: var(--brand);
  color: #fff; width: 28px; height: 28px; border-radius: 50%;
  cursor: pointer; font-size: 13px; line-height: 1;
}
.sbm > button[type="submit"]:hover { background: var(--brand-dark); }
.sbm .sb-panel { width: 340px; right: 0; left: auto; }

@media (max-width: 640px) {
  .sbm input { width: 130px; }
  .sbm .sb-panel { width: 280px; }
  .sb-form button { padding: 10px 16px; }
}

/* ===== 页脚 ===== */
footer {
  border-top: 1px solid var(--line); margin-top: 20px;
  padding: 22px 0 34px; text-align: center; font-size: 13px; color: var(--muted);
}
footer a { color: var(--brand-dark); font-weight: 600; }

@media (max-width: 640px) {
  header.hero h1 { font-size: 22px; }
  .topbar .wrap { height: auto; padding: 10px 20px; }
}