:root {
  --bg: #f5f7fb;
  --ink: #101828;
  --muted: #5b6678;
  --line: #d8deea;
  --navy: #071526;
  --navy-2: #0f2740;
  --gold: #c89a3c;
  --gold-2: #f1c66d;
  --white: #ffffff;
  --soft: #eef3fa;
  --shadow: 0 24px 70px rgba(7, 21, 38, 0.16);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px clamp(20px, 5vw, 76px);
  background: rgba(245, 247, 251, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(216, 222, 234, 0.78);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.brand span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  color: var(--navy);
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 12px 24px rgba(200,154,60,.28);
}
.brand strong { font-size: 17px; letter-spacing: 0; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 20px; color: #394457; font-size: 14px; }
.site-header nav a:hover { color: var(--navy); }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: center;
  gap: clamp(34px, 6vw, 74px);
  min-height: 680px;
  padding: 70px clamp(20px, 6vw, 86px) 56px;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 18%, rgba(241,198,109,.22), transparent 26%),
    linear-gradient(135deg, #071526 0%, #0c2036 52%, #142b43 100%);
}
.hero h1, .page-hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}
.hero p, .page-hero p {
  max-width: 710px;
  margin: 22px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  color: rgba(255,255,255,.78);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 750;
  border: 1px solid transparent;
}
.button.primary { background: linear-gradient(135deg, var(--gold-2), var(--gold)); color: #171001; }
.button.ghost { color: var(--white); border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.08); }
.button.secondary { color: var(--navy); border-color: var(--line); background: var(--white); }
.hero-note { margin-top: 24px; color: rgba(255,255,255,.56); font-size: 14px; }
.route-preview {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.preview-top {
  display: flex;
  gap: 8px;
  padding: 16px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.preview-top span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.45); }
.preview-body { display: grid; grid-template-columns: .78fr 1fr; gap: 18px; padding: 24px; }
.preview-phone {
  min-height: 330px;
  padding: 24px 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, #f8fbff, #dfe8f4);
  color: var(--navy);
}
.preview-phone strong { display: block; font-size: 14px; color: var(--gold); }
.preview-phone p { margin: 50px 0 0; color: var(--navy); font-weight: 800; font-size: 24px; line-height: 1.35; }
.preview-routes { display: grid; gap: 14px; align-content: center; }
.preview-routes div {
  padding: 18px;
  border-radius: 12px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.14);
}
.preview-routes b { display: block; color: var(--white); }
.preview-routes small { display: block; margin-top: 6px; color: rgba(255,255,255,.6); }
.page-hero {
  padding: 76px clamp(20px, 6vw, 86px);
  background: linear-gradient(135deg, #071526, #112d48);
  color: var(--white);
}
.page-hero .button { margin-top: 28px; }
.section {
  padding: 72px clamp(20px, 6vw, 86px);
  max-width: 1320px;
  margin: 0 auto;
}
.section.alt {
  max-width: none;
  background: var(--white);
}
.section.alt > * { max-width: 1320px; margin-left: auto; margin-right: auto; }
.section-head { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 30px; }
.section-head h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.12; }
.section-head p { max-width: 620px; margin: 0; color: var(--muted); }
.pillars, .content-grid, .game-grid, .feature-list, .entry-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.pillars a, .content-card, .entry-card, .game-grid article, .feature-list article {
  min-height: 170px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(17, 39, 72, .06);
}
.pillars a strong, .content-card strong, .entry-card h3, .game-grid h3, .feature-list h3 {
  display: block;
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.3;
}
.pillars a span, .content-card p, .entry-card p, .game-grid p, .feature-list p {
  color: var(--muted);
  margin: 0;
}
.content-card span, .entry-tag {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}
.entry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.entry-card { min-height: 220px; }
.text-link {
  display: inline-flex;
  margin-top: 22px;
  color: var(--navy);
  font-weight: 800;
  border-bottom: 2px solid var(--gold);
}
.keyword-list { display: flex; flex-wrap: wrap; gap: 12px; }
.keyword-list span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: #27354a;
  font-weight: 650;
}
.steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  counter-reset: step;
}
.steps li {
  list-style: none;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: #2e3b4e;
}
.faq-list { display: grid; gap: 12px; }
.faq-list details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
}
.faq-list summary { cursor: pointer; font-weight: 800; }
.faq-list p { color: var(--muted); margin-bottom: 0; }
.notice-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  margin: 30px clamp(20px, 6vw, 86px) 76px;
  padding: 30px;
  border-radius: 12px;
  color: var(--white);
  background: linear-gradient(135deg, #112d48, #071526);
}
.notice-band h2 { margin: 0 0 8px; }
.notice-band p { margin: 0; color: rgba(255,255,255,.72); max-width: 850px; }
.text-page { max-width: 920px; }
.text-page p { color: #334155; font-size: 18px; }
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 42px clamp(20px, 6vw, 86px);
  color: rgba(255,255,255,.76);
  background: var(--navy);
}
.site-footer strong { color: var(--white); }
.site-footer p { max-width: 640px; margin: 8px 0 0; }
.site-footer nav { display: flex; flex-wrap: wrap; align-content: start; gap: 18px; }
@media (max-width: 980px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 14px; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .preview-body { grid-template-columns: 1fr; }
  .pillars, .content-grid, .game-grid, .feature-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .entry-grid { grid-template-columns: 1fr; }
  .section-head { align-items: start; flex-direction: column; }
}
@media (max-width: 640px) {
  .site-header nav { gap: 12px; font-size: 13px; }
  .hero, .page-hero { padding-top: 46px; }
  .hero h1, .page-hero h1 { font-size: 36px; }
  .pillars, .content-grid, .game-grid, .feature-list { grid-template-columns: 1fr; }
  .notice-band, .site-footer { flex-direction: column; align-items: stretch; }
  .preview-phone { min-height: 230px; }
}