:root {
  --ink: #132033;
  --muted: #5c6678;
  --line: #dfe5ee;
  --bg: #f4f6f9;
  --card: #fff;
  --brand: #1b4f8a;
  --brand-2: #122f56;
  --gold: #c9a24a;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  font-size: 16px;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }
.top {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}
.brand-mark:hover { text-decoration: none; }
.mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--brand-2);
  color: var(--gold);
  display: grid;
  place-items: center;
  font-weight: 700;
  flex: 0 0 40px;
}
.logo { font-weight: 700; font-size: 16px; letter-spacing: .02em; line-height: 1.3; }
.logo small { display: block; font-weight: 400; color: var(--muted); font-size: 11px; }
nav { display: flex; flex-wrap: wrap; gap: 8px 14px; font-size: 13px; }
nav a { color: var(--ink); }
nav a.active { color: var(--brand); font-weight: 700; }
.lang { font-weight: 700; color: var(--brand) !important; }
.hero {
  background:
    radial-gradient(circle at 88% 10%, rgba(201,162,74,.28), transparent 28%),
    linear-gradient(135deg, #0e2748, #1b4f8a 62%, #245a96);
  color: #fff;
  padding: 64px 0 52px;
}
.hero h1 { margin: 0 0 10px; font-size: 34px; line-height: 1.3; }
.hero .en { opacity: .86; font-size: 16px; margin-bottom: 14px; }
.hero p { margin: 0 0 12px; max-width: 820px; opacity: .96; }
.kicker {
  display: inline-block;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 12px;
  letter-spacing: .08em;
  margin-bottom: 14px;
  color: #f4e4b8;
}
.btns { margin-top: 18px; }
.btn {
  display: inline-block;
  background: #fff;
  color: var(--brand-2);
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 700;
  margin: 0 10px 8px 0;
}
.btn.ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.5);
}
.btn:hover { text-decoration: none; opacity: .93; }
.section { padding: 42px 0; }
h2 { margin: 0 0 14px; font-size: 24px; }
h3 { margin: 22px 0 8px; font-size: 18px; }
p { margin: 0 0 12px; }
ul, ol { margin: 0 0 14px; padding-left: 22px; }
.lead { font-size: 17px; color: #243247; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 22px;
}
.card h3 { margin-top: 0; }
.note {
  background: #eef4fc;
  border-left: 4px solid var(--brand);
  padding: 14px 16px;
  border-radius: 0 10px 10px 0;
  margin: 16px 0;
}
table { width: 100%; border-collapse: collapse; background: #fff; margin: 12px 0 18px; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
th { width: 210px; background: #eef3f9; color: #334; font-weight: 600; }
.foot {
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 28px 0 36px;
  color: var(--muted);
  font-size: 13px;
}
.foot a { color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; margin-bottom: 16px; }
.beian { margin-top: 8px; }
.meta { color: var(--muted); font-size: 13px; }
.timeline { list-style: none; padding: 0; }
.timeline li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 12px;
}
.timeline time { display: block; color: var(--brand); font-weight: 700; font-size: 13px; }
@media (max-width: 860px) {
  .hero h1 { font-size: 24px; }
  .top-inner, .grid-2, .foot-grid { grid-template-columns: 1fr; display: grid; }
  .top-inner { display: flex; flex-direction: column; align-items: flex-start; }
  th { width: 112px; }
}
@page { margin: 18mm; }
.faq { margin: 10px 0; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 16px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:after { content: "+"; float: right; color: var(--brand); font-weight: 700; }
.faq[open] summary:after { content: "–"; }
.faq p { padding-bottom: 14px; color: #334; }
.tabs { margin: 18px 0 8px; }
.tab-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.tab-bar label {
  cursor: pointer;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 700;
}
.tabs input { position: absolute; opacity: 0; pointer-events: none; }
.tab-panel { display: none; }
.tabs #flow-browse:checked ~ .tab-bar label[for="flow-browse"],
.tabs #flow-order:checked ~ .tab-bar label[for="flow-order"],
.tabs #flow-serve:checked ~ .tab-bar label[for="flow-serve"],
.tabs #flow-support:checked ~ .tab-bar label[for="flow-support"] {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.tabs #flow-browse:checked ~ #panel-browse,
.tabs #flow-order:checked ~ #panel-order,
.tabs #flow-serve:checked ~ #panel-serve,
.tabs #flow-support:checked ~ #panel-support { display: block; }
.form { display: grid; gap: 12px; }
.form label { font-weight: 700; font-size: 14px; }
.form input, .form select, .form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}
.form textarea { min-height: 120px; resize: vertical; }
.form .btn.solid { background: var(--brand); color: #fff; border: 0; cursor: pointer; width: fit-content; }
.form-ok, .form-err { display: none; padding: 10px 12px; border-radius: 8px; }
.form-ok { background: #e8f7ee; color: #146c36; }
.form-err { background: #fdecea; color: #8a1f11; }
.copy { border: 0; background: #eef3f9; color: var(--brand); border-radius: 6px; padding: 2px 8px; margin-left: 6px; cursor: pointer; font-size: 12px; }
.map-wrap { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; height: 280px; background: #e8eef6; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; }
@media print {
  .top, .btns, nav, .form, .map-wrap { display: none !important; }
  .hero { padding: 12px 0; background: #fff; color: #000; }
  body { background: #fff; }
}
