:root {
  --shutter: #12263a;
  --paper: #f4f7fb;
  --ink: #1c2b3a;
  --muted: #5b6b7c;
  --line: #d5dee8;
  --brand: #0077f6;
  --ticket: #fffef8;
  --display: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}
a { color: var(--brand); }
a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}
.top {
  border-bottom: 1px solid var(--line);
  background: rgba(244, 247, 251, 0.92);
}
.top-inner {
  width: min(42rem, calc(100% - 2.5rem));
  margin: 0 auto;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
}
.brand img { width: 28px; height: 28px; border-radius: 6px; }
.brand-name {
  font-family: var(--display);
  letter-spacing: 0.12em;
  font-size: 1.15rem;
}
.top nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.top nav a:hover { color: var(--ink); }
main {
  width: min(42rem, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2rem 0 3.5rem;
}
.crumb { font-size: 0.85rem; color: var(--muted); margin: 0 0 1.1rem; }
.crumb a { color: var(--muted); }
h1 {
  font-family: var(--display);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.3;
  margin: 0 0 0.85rem;
}
.flag {
  display: inline-block;
  font-family: var(--display);
  color: #c41a2b;
  border: 2px solid #c41a2b;
  letter-spacing: 0.28em;
  font-size: 0.82rem;
  padding: 0.18rem 0.55rem;
  margin: 0 0 0.75rem;
}
.spoken {
  font-family: var(--display);
  font-size: 1.2rem;
  line-height: 1.5;
  border-left: 4px solid #c41a2b;
  padding: 0.15rem 0 0.15rem 0.85rem;
  margin: 0 0 1.1rem;
}
.spoken b { color: #c41a2b; }
.flagship h1 {
  font-size: clamp(1.9rem, 6vw, 2.7rem);
  letter-spacing: 0.1em;
}
.answer {
  background: var(--ticket);
  border: 1px solid var(--line);
  padding: 1rem 1.05rem;
  margin: 0 0 1.4rem;
}
h2 {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  margin: 1.8rem 0 0.6rem;
}
p { margin: 0 0 0.7rem; color: var(--ink); }
.muted { color: var(--muted); }
ul, ol { margin: 0 0 0.7rem; padding-left: 1.2rem; }
li { margin-bottom: 0.35rem; }
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  margin: 0 0 1rem;
  font-size: 0.92rem;
}
th, td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 0.55rem 0.45rem;
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; }
.links { display: flex; flex-wrap: wrap; gap: 0.65rem 1.1rem; margin: 0.4rem 0 0; }
.site-footer {
  background: var(--shutter);
  color: #c5d0dc;
  padding: 1.6rem 0;
  font-size: 0.85rem;
}
.site-footer .inner {
  width: min(42rem, calc(100% - 2.5rem));
  margin: 0 auto;
}
.site-footer a { color: #e8eef5; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer p { color: #8a9aab; margin: 0.35rem 0 0; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}