/* 第1套：横向顶栏 + 双栏，证券红 */
:root {
  --red: #c41230;
  --red-dark: #8e0d22;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e6e6e6;
  --paper: #ffffff;
  --wash: #f6f6f6;
  --gold: #b8860b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  font-size: 16px;
}

img, svg { vertical-align: middle; }

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

.wrap { width: min(1100px, 92%); margin: 0 auto; }

.topbar {
  background: var(--red);
  color: #fff;
  font-size: 13px;
  padding: 6px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; }

.brand-bar {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.brand-bar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 700;
  text-decoration: none;
}
.logo svg { flex-shrink: 0; }
.logo:hover { text-decoration: none; color: var(--red); }

nav.main-nav { display: flex; gap: 4px; }
nav.main-nav a {
  color: var(--ink);
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: 600;
}
nav.main-nav a:hover { background: var(--wash); text-decoration: none; }
nav.main-nav a.active {
  background: var(--red);
  color: #fff;
}

.hero {
  background: linear-gradient(180deg, #fff5f6 0%, #fff 70%);
  padding: 42px 0 28px;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 36px;
  align-items: start;
}
.hero h1 {
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 16px;
}
.hero .lead { color: var(--muted); margin-bottom: 22px; font-size: 16px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 4px;
  font-weight: 700;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); }
.btn-ghost { background: #fff; color: var(--red); border-color: var(--red); }
.dl-card {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(196, 18, 48, 0.08);
  padding: 22px 22px 18px;
}
.dl-card h2 { font-size: 18px; margin-bottom: 10px; }
.dl-card p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.dl-card .btn { width: 100%; justify-content: center; margin-bottom: 8px; }

.layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 36px;
  padding: 36px 0 48px;
}

article section { margin-bottom: 36px; }
article h2 {
  font-size: 22px;
  border-left: 4px solid var(--red);
  padding-left: 12px;
  margin-bottom: 14px;
}
article p { margin-bottom: 12px; }
article ul, article ol { margin: 0 0 12px 1.3em; }
article li { margin-bottom: 6px; }

.scene-list { list-style: none; margin-left: 0; }
.scene-list li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}
.scene-list strong { display: block; color: var(--red); margin-bottom: 4px; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 12px 0 16px;
}
table.data th, table.data td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
}
table.data th { background: var(--wash); }

.faq-item { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq-item h3 { font-size: 16px; margin-bottom: 6px; }

aside .side-box {
  background: var(--wash);
  border: 1px solid var(--line);
  padding: 16px;
  margin-bottom: 18px;
}
aside h2 { font-size: 16px; margin-bottom: 10px; border: 0; padding: 0; }
aside .btn { width: 100%; justify-content: center; }

footer {
  background: #2a2a2a;
  color: #d8d8d8;
  padding: 28px 0 20px;
  font-size: 13px;
}
footer a { color: #fff; }
footer .safe { color: #9ad27a; margin-bottom: 10px; }
footer .legal { color: #b0b0b0; line-height: 1.7; }

@media (max-width: 860px) {
  .hero-grid, .layout { grid-template-columns: 1fr; }
  .brand-bar .wrap { flex-direction: column; gap: 10px; padding: 12px 0; }
  nav.main-nav { flex-wrap: wrap; justify-content: center; }
}