/* Site 01 root: classic corporate navy + gold, centered hero, 3-col cards */
:root {
  --ink: #10243e;
  --gold: #c4a35a;
  --paper: #f6f3ec;
  --line: #d8d0c0;
  --white: #ffffff;
  --muted: #5c6b7a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  font-size: 16px;
}
img, svg { vertical-align: middle; }
a { color: #1a4d8c; text-decoration: none; }
a:hover { text-decoration: underline; }
.top {
  background: var(--ink);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8%;
  min-height: 72px;
  border-bottom: 4px solid var(--gold);
}
.brand-name { font-size: 22px; font-weight: 700; letter-spacing: 0.04em; }
.nav { display: flex; gap: 28px; }
.nav a { color: #e8e2d4; font-weight: 600; }
.nav a.is-on { color: var(--gold); border-bottom: 2px solid var(--gold); padding-bottom: 4px; }
.wrap { width: min(1120px, 92%); margin: 0 auto; }
.hero {
  background: linear-gradient(160deg, #10243e 0%, #1c3d66 55%, #163154 100%);
  color: #fff;
  text-align: center;
  padding: 72px 8% 80px;
}
.hero h1 { font-size: 34px; line-height: 1.35; max-width: 880px; margin: 0 auto 20px; }
.hero .lead { max-width: 760px; margin: 0 auto 28px; color: #d7deea; font-size: 18px; }
.dl-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 16px 0; }
.hero .dl-row { justify-content: center; }
.btn-win, .btn-mac, .btn-ios, .btn-and {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 2px; font-weight: 700; color: #10243e;
  background: var(--gold); text-decoration: none;
}
.btn-mac, .btn-ios, .btn-and { background: #fff; }
.btn-win:hover, .btn-mac:hover, .btn-ios:hover, .btn-and:hover { filter: brightness(0.95); text-decoration: none; }
.sec { padding: 56px 0 8px; }
.sec h2 { font-size: 26px; margin-bottom: 16px; padding-left: 12px; border-left: 5px solid var(--gold); }
.sec p { margin: 0 0 14px; color: #2a3644; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 24px 0 8px; }
.card {
  background: var(--white); border: 1px solid var(--line); padding: 22px;
  box-shadow: 0 8px 20px rgba(16, 36, 62, 0.06);
}
.card h3 { font-size: 18px; margin: 10px 0; }
.card svg { color: #1a4d8c; }
.table-wrap { overflow-x: auto; margin: 18px 0 28px; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
th { background: #10243e; color: #fff; }
tr:nth-child(even) td { background: #f3efe6; }
.quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.quotes blockquote { background: #fff; border-top: 3px solid var(--gold); padding: 18px; }
.quotes cite { display: block; margin-top: 8px; color: var(--muted); font-style: normal; }
.news-list { list-style: none; }
.news-list li { background: #fff; border: 1px solid var(--line); padding: 16px 18px; margin-bottom: 12px; }
.news-list time { color: var(--muted); font-size: 13px; }
.news-list h3 { font-size: 17px; margin: 4px 0 8px; }
.faq dt { font-weight: 700; margin-top: 16px; }
.faq dd { margin: 6px 0 0; color: #334155; }
.steps { list-style: none; counter-reset: s; }
.steps li { display: flex; gap: 14px; margin: 14px 0; background: #fff; padding: 14px; border: 1px solid var(--line); }
.steps .n {
  flex: 0 0 36px; height: 36px; border-radius: 50%; background: var(--ink); color: var(--gold);
  display: grid; place-items: center; font-weight: 700;
}
.foot {
  margin-top: 64px; background: #0b1b30; color: #c9d3df; padding: 28px 8%; font-size: 13px;
}
.foot p { margin-bottom: 8px; }
@media (max-width: 860px) {
  .grid3, .quotes { grid-template-columns: 1fr; }
  .top { flex-direction: column; padding: 16px; gap: 10px; }
  .hero h1 { font-size: 26px; }
}