:root {
  --bg: #f7f4f2;
  --ink: #1c1917;
  --muted: #57534e;
  --red: #dc2626;
  --red-2: #9f1239;
  --line: #e7e5e4;
  --card: #fff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.75 "Microsoft YaHei", "PingFang SC", sans-serif;
}

a { color: var(--red-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border-bottom: 3px solid var(--red);
  padding: 10px 6vw;
}
.bar .name {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}
.bar svg { width: 22px; height: 22px; }
.bar nav a {
  margin-left: 18px;
  color: var(--muted);
  font-weight: 600;
}
.bar nav a.act { color: var(--red); }

.leadbox {
  width: min(720px, 90vw);
  margin: 32px auto 10px;
}
.leadbox h1 { font-size: 30px; line-height: 1.35; margin: 0 0 12px; }
.leadbox p { color: var(--muted); }

.dlstrip {
  width: min(720px, 90vw);
  margin: 16px auto 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.dlstrip a {
  background: var(--red);
  color: #fff;
  text-align: center;
  padding: 12px 8px;
  font-weight: 700;
  text-decoration: none;
}
.dlstrip a.soft { background: #fff; color: var(--red-2); border: 1px solid #fecaca; }

.timeline {
  width: min(720px, 90vw);
  margin: 0 auto 40px;
  border-left: 4px solid #fecaca;
  padding-left: 0;
  list-style: none;
}
.timeline li {
  position: relative;
  background: var(--card);
  margin: 0 0 18px 22px;
  padding: 18px 20px 12px;
  border: 1px solid var(--line);
}
.timeline li::before {
  content: attr(data-n);
  position: absolute;
  left: -46px;
  top: 16px;
  width: 36px;
  height: 36px;
  background: var(--red);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 14px;
}
.timeline h2 { margin: 0 0 8px; font-size: 20px; }

.note {
  width: min(720px, 90vw);
  margin: 0 auto 20px;
  background: #fff7ed;
  border-left: 6px solid #f97316;
  padding: 14px 18px;
}
.faqbox {
  width: min(720px, 90vw);
  margin: 0 auto 48px;
}
.faqbox h2 { font-size: 22px; }
.faqbox dt { font-weight: 700; margin: 14px 0 4px; }
.faqbox dd { margin: 0; color: var(--muted); }

.tail {
  background: #1c1917;
  color: #e7e5e4;
  padding: 26px 6vw 34px;
  font-size: 13px;
}
.tail a { color: #fda4af; margin-right: 12px; }
.tail p { margin: 8px 0; }

@media (max-width: 640px) {
  .dlstrip { grid-template-columns: 1fr; }
  .timeline li { margin-left: 28px; }
}