:root {
  --sea: #102433;
  --sea-2: #18344a;
  --coral: #e23d32;
  --sand: #f4f7f8;
  --ink: #17202a;
  --line: #d5dee6;
  --paper: #fff;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--sand); font: 17px/1.75 "Microsoft YaHei", "PingFang SC", sans-serif; }
a { color: #9d241c; }
.top { background: var(--sea); color: #fff; }
.top-in, .hero-in, .wrap, .foot-in { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
.top-in { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 20px; display: flex; gap: 8px; align-items: center; }
.top nav { display: flex; gap: 18px; }
.top nav a { color: #d7e3ee; text-decoration: none; padding-bottom: 4px; border-bottom: 2px solid transparent; }
.top nav a.on { color: #fff; border-bottom-color: var(--coral); }
.hero { background: var(--sea-2); color: #fff; }
.hero-in { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 28px; padding: 32px 0; }
.hero h1 { margin: 0 0 12px; font-size: 32px; line-height: 1.35; }
.lede { margin: 0 0 12px; color: #e7eef4; }
.hero a { color: #fff; }
.points { margin: 0 0 14px; padding-left: 18px; }
.dl { background: #0c1c29; padding: 16px; }
.dl p { margin: 0 0 10px; }
.stack { display: grid; gap: 8px; }
.btn { display: inline-block; text-decoration: none; padding: 10px 14px; font-weight: 700; }
.btn-main { background: var(--coral); color: #fff; }
.btn-main:hover { background: #c43229; color: #fff; }
.btn-line { background: transparent; color: #fff; border: 1px solid #fff; }
.btn-line:hover { background: #fff; color: var(--sea); }
main { padding: 8px 0 36px; }
.block { background: var(--paper); border: 1px solid var(--line); margin: 14px 0; padding: 18px 20px 8px; }
.block h2 { margin: 0 0 12px; display: inline-block; background: var(--sea); color: #fff; padding: 4px 10px; font-size: 20px; line-height: 1.4; }
.block p { margin: 0 0 12px; }
.split { display: grid; grid-template-columns: 1fr 240px; gap: 18px; }
.aside-note { background: #f8ecea; border-left: 4px solid var(--coral); padding: 10px 12px; }
table { width: 100%; border-collapse: collapse; margin: 8px 0 14px; font-size: 15px; }
th, td { border-bottom: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }
th { color: var(--sea); }
.row { padding: 10px 0; border-top: 1px solid var(--line); }
.row h3, .faq-item h3, .news-item h3 { margin: 0 0 4px; font-size: 17px; color: var(--sea); }
.news-item { display: grid; grid-template-columns: 110px 1fr; gap: 8px 14px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.news-item time { color: var(--coral); font-weight: 700; }
.faq-item { padding: 10px 0; border-bottom: 1px solid var(--line); }
.cta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 14px; }
.cta-row .btn-line { color: var(--sea); border-color: var(--sea); }
.cta-row .btn-line:hover { background: var(--sea); color: #fff; }
footer { background: var(--sea); color: #d7e3ee; padding: 20px 0 28px; }
.foot-nav { display: flex; gap: 16px; margin-bottom: 8px; }
.foot-nav a { color: #fff; text-decoration: none; }
.foot-nav a.on { border-bottom: 2px solid var(--coral); }
footer p { margin: 6px 0; font-size: 14px; }
@media (max-width: 800px) {
  .hero-in, .split, .news-item { grid-template-columns: 1fr; }
  .top-in { flex-wrap: wrap; }
  .hero h1 { font-size: 26px; }
}