:root {
  --bg: #ffffff;
  --soft: #f6f7f9;
  --text: #111111;
  --body: #333333;
  --muted: #667085;
  --line: #e5e7eb;
  --brand: #e31b23;
  --shadow: 0 18px 36px rgba(15, 23, 42, 0.06);
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--body); font: 16px/1.75 "Microsoft YaHei", "PingFang SC", sans-serif; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: #fff; border-bottom: 1px solid var(--line); }
.nav-row { min-height: 72px; display: flex; align-items: center; gap: 18px; }
.brand img { height: 34px; width: auto; object-fit: contain; }
.nav { margin-left: auto; display: flex; gap: 20px; }
.nav a { font-size: 14px; color: #475467; }
.menu-toggle { display: none; margin-left: auto; border: 0; background: transparent; padding: 0; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: #111; }
.hero { padding: 44px 0 24px; }
.hero-shell, .hero-panel, .prep-grid article, .choose-media figure, .timeline article, .faq-item, .cta-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-shell { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; padding: 24px 26px; }
.eyebrow { margin: 0; font-size: 12px; font-weight: 800; letter-spacing: .18em; color: var(--brand); }
.hero-copy h1, .section-head h2, .hero-panel h2, .cta-box h2 { margin: 10px 0 16px; line-height: 1.16; color: var(--text); }
.hero-copy h1 { font-size: clamp(34px, 4.4vw, 54px); }
.hero-panel { padding: 18px; }
.hero-panel ol { margin: 0 0 18px; padding-left: 20px; color: var(--muted); display: grid; gap: 8px; }
.hero-panel figure { margin: 0; overflow: hidden; border-radius: 14px; }
.hero-panel img { width: 100%; object-fit: cover; object-position: center; }
.section { padding: 66px 0; }
.section-soft, .section-faq { background: var(--soft); }
.section-head { max-width: 760px; margin-bottom: 24px; }
.section-head p { margin: 0; color: var(--muted); }
.prep-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.prep-grid article { padding: 22px; }
.prep-grid span { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 12px; background: #fff2f2; color: var(--brand); font-weight: 800; margin-bottom: 12px; }
.prep-grid h3, .timeline h3 { margin: 0 0 10px; color: var(--text); }
.prep-grid p, .timeline p { margin: 0; color: var(--muted); }
.choose-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; }
.choose-media { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.choose-media figure { margin: 0; padding: 14px; }
.choose-media img { width: 100%; object-fit: contain; }
.timeline { display: grid; gap: 14px; }
.timeline article { display: grid; grid-template-columns: 64px 1fr; gap: 16px; padding: 18px 20px; }
.timeline span { display: inline-flex; width: 64px; height: 64px; align-items: center; justify-content: center; border-radius: 18px; background: #fff2f2; color: var(--brand); font-weight: 800; font-size: 24px; }
.faq-grid { display: grid; gap: 14px; }
.faq-item { overflow: hidden; }
.faq-question { width: 100%; display: flex; justify-content: space-between; gap: 18px; padding: 18px 22px; border: 0; background: transparent; color: var(--text); font: inherit; font-weight: 700; text-align: left; cursor: pointer; }
.faq-question b { color: var(--brand); font-size: 24px; }
.faq-answer { display: none; padding: 0 22px 18px; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }
.search-list { display: flex; flex-wrap: wrap; gap: 12px; }
.search-list span { padding: 11px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: #475467; }
.cta-section { padding: 24px 0 72px; }
.cta-box { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 28px; background: linear-gradient(90deg, #fff, #f8f9fb); }
.btn { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 22px; border-radius: 999px; background: var(--brand); color: #fff; font-weight: 700; }
@media (max-width: 980px) {
  .hero-shell, .prep-grid, .choose-grid, .choose-media { grid-template-columns: 1fr; }
  .nav { display: none; width: 100%; order: 4; flex-direction: column; padding-bottom: 16px; }
  .nav.open { display: flex; }
  .menu-toggle { display: block; }
  .nav-row { flex-wrap: wrap; }
  .timeline article { grid-template-columns: 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .wrap { width: min(100% - 24px, 1080px); }
  .section { padding: 52px 0; }
  .hero-copy h1 { font-size: 34px; }
}

.site-logo,
.logo img,
.brand img,
.header-logo img,
.nav-logo img {
  display: block;
  width: auto !important;
  height: auto !important;
  max-height: 40px !important;
  max-width: 180px !important;
  object-fit: contain !important;
}

.brand,
.logo,
.header-logo,
.nav-logo {
  overflow: visible !important;
}

.site-header .brand,
header .brand,
header .logo,
header .header-logo,
header .nav-logo {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}
