:root {
  --bg: #101115;
  --nav-bg: #101115;
  --panel: #15161A;
  --panel-2: #1B1C21;
  --panel-3: #202127;
  --gold: #F8C84A;
  --text: #EDEFF5;
  --muted: #B8BEC9;
  --soft: #8E96A6;
  --footer: #08090C;
  --border: rgba(248,200,74,0.16);
  --shadow: 0 14px 36px rgba(0,0,0,0.35);
  --btn: linear-gradient(180deg, #FFE45A 0%, #F8B832 45%, #F3941F 100%);
  --btn-hover: linear-gradient(180deg, #FFE96B 0%, #F6A625 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #101115;
  color: #EDEFF5;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.wrap { width: min(1200px, calc(100% - 36px)); margin: 0 auto; }
.site-header {
  background: #101115;
  position: sticky;
  top: 0;
  z-index: 9999;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.28);
  border-bottom: 1px solid rgba(248,200,74,0.12);
}
.desktop-nav { min-height: 76px; display: flex; align-items: center; gap: 22px; }
.brand-logo img, .footer-logo img, .drawer-logo img, .mobile-logo img { width: 124px; height: auto; object-fit: contain; }
.nav-links { flex: 1; display: flex; align-items: center; justify-content: center; gap: 4px; }
.nav-links a {
  color: #F8C84A;
  padding: 13px 9px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: .22s ease;
}
.nav-links a:hover, .nav-links a.active {
  background: linear-gradient(180deg, rgba(248,200,74,0.12), rgba(248,200,74,0.02));
  box-shadow: inset 0 -2px 0 #F8C84A, 0 10px 22px rgba(248,200,74,0.16);
  color: #F8C84A;
}
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  background: linear-gradient(180deg, #FFE45A 0%, #F8B832 45%, #F3941F 100%);
  color: #101115;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(248,184,50,0.28), inset 0 1px 0 rgba(255,255,255,.45);
  font-weight: 800;
  border: 0;
  transition: .22s ease;
  white-space: nowrap;
}
.main-btn:hover { background: linear-gradient(180deg, #FFE96B 0%, #F6A625 100%); transform: translateY(-1px); }
.header-btn { min-width: 82px; }
.mobile-topbar { display: none; min-height: 66px; align-items: center; justify-content: space-between; padding: 0 16px; background: #101115; }
.menu-toggle { width: 42px; height: 42px; border: 1px solid rgba(248,200,74,.26); background: #15161A; border-radius: 12px; display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; padding: 0 10px; }
.menu-toggle span { height: 2px; background: #F8C84A; border-radius: 2px; display: block; }
.mobile-logo { position: absolute; left: 50%; transform: translateX(-50%); }
.mobile-logo img { width: 116px; }
.mobile-drawer { position: fixed; z-index: 10001; top: 0; left: 0; width: 84vw; max-width: 320px; height: 100vh; background: #15161A; transform: translateX(-105%); transition: transform .28s ease; box-shadow: 20px 0 45px rgba(0,0,0,.42); overflow-y: auto; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-mask { position: fixed; inset: 0; z-index: 10000; background: rgba(0,0,0,.58); opacity: 0; pointer-events: none; transition: .25s ease; }
.drawer-open .drawer-mask { opacity: 1; pointer-events: auto; }
.drawer-open { overflow: hidden; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 18px; border-bottom: 1px solid rgba(248,200,74,.14); }
.drawer-close { width: 40px; height: 40px; border-radius: 10px; border: 1px solid rgba(248,200,74,.24); background: #1B1C21; color: #F8C84A; font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; gap: 8px; padding: 16px; }
.drawer-nav a { color: #F8C84A; padding: 12px 14px; border-radius: 12px; background: #1B1C21; border: 1px solid rgba(248,200,74,.10); font-weight: 700; }
.drawer-nav a.active { border-color: rgba(248,200,74,.34); box-shadow: inset 3px 0 0 #F8C84A; background: #202127; }
.site-main { min-height: 70vh; }
h1, h2, h3, .section-title, .nav a { color: #F8C84A; }
p { color: #EDEFF5; margin: 0 0 14px; }
.muted { color: #B8BEC9; }
.soft { color: #8E96A6; }
.text-link { color: #F8C84A; font-weight: 800; display: inline-flex; gap: 6px; align-items: center; }
.text-link::after { content: '›'; font-size: 18px; }
.section { padding: 34px 0; }
.section-head { margin-bottom: 22px; max-width: 820px; }
.section-kicker, .gold-tag, .num { color: #F8C84A; font-weight: 800; letter-spacing: .05em; }
.section-title { font-size: clamp(26px, 4vw, 42px); line-height: 1.18; margin: 0 0 12px; }
.section-desc { color: #B8BEC9; font-size: 16px; }
.hero-section {
  max-width: 1200px;
  margin: 28px auto 36px;
  border-radius: 24px;
  background: radial-gradient(circle at 20% 0%, rgba(248,200,74,.11), transparent 32%), #15161A;
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(248,200,74,.16);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; padding: clamp(24px, 4vw, 54px); }
.hero-copy h1 { font-size: clamp(34px, 5vw, 62px); line-height: 1.08; margin: 0 0 16px; color: #F8C84A; }
.hero-sub { color: #F8C84A; font-weight: 800; font-size: clamp(17px, 2.2vw, 22px); margin-bottom: 14px; }
.hero-copy p { color: #EDEFF5; font-size: 16px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 24px; }
.tag-row span, .badge { color: #F8C84A; background: rgba(248,200,74,.09); border: 1px solid rgba(248,200,74,.2); padding: 7px 12px; border-radius: 999px; font-size: 13px; font-weight: 800; }
.hero-visual { background: #1B1C21; border: 1px solid rgba(248,200,74,.16); border-radius: 22px; padding: 18px; box-shadow: var(--shadow); }
.hero-section img, .content-img, .zone-card img, .app-section img, .inner-hero img, .image-card img { width: 100%; max-height: 390px; object-fit: contain; border-radius: 16px; background: #101115; }
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card, .zone-card, .info-card, .panel-card, .faq-card, .notice-card {
  background: #15161A;
  border: 1px solid rgba(248,200,74,0.16);
  box-shadow: 0 14px 36px rgba(0,0,0,0.32);
  border-radius: 18px;
  padding: 20px;
}
.card { transition: .22s ease; }
.card:hover, .zone-card:hover { transform: translateY(-3px); border-color: rgba(248,200,74,.36); }
.card h3, .info-card h3, .zone-card h3, .panel-card h3 { margin: 6px 0 8px; color: #F8C84A; font-size: 21px; }
.card p, .info-card p, .zone-card p, .panel-card p { color: #B8BEC9; }
.intro-strip { background: linear-gradient(135deg, #15161A, #1B1C21); border: 1px solid rgba(248,200,74,.16); border-radius: 20px; padding: 26px; box-shadow: var(--shadow); }
.board-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-row { display: grid; grid-template-columns: .92fr 1.08fr; gap: 24px; align-items: center; margin-bottom: 22px; }
.feature-row.reverse { grid-template-columns: 1.08fr .92fr; }
.feature-row.reverse .image-card { order: 2; }
.image-card { background: #15161A; border: 1px solid rgba(248,200,74,.16); border-radius: 20px; padding: 14px; box-shadow: var(--shadow); }
.feature-content { background: #15161A; border: 1px solid rgba(248,200,74,.16); border-radius: 20px; padding: clamp(22px, 3vw, 34px); box-shadow: var(--shadow); }
.feature-points { margin: 14px 0 18px; padding: 0; list-style: none; display: grid; gap: 8px; }
.feature-points li { color: #B8BEC9; padding-left: 20px; position: relative; }
.feature-points li:before { content: ''; position: absolute; left: 0; top: .78em; width: 7px; height: 7px; background: #F8C84A; border-radius: 50%; }
.zone-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.zone-card { padding: 14px; overflow: hidden; }
.zone-card img { max-height: 210px; margin-bottom: 16px; }
.zone-card .zone-body { padding: 0 6px 8px; }
.duo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.notice-card { display: grid; grid-template-columns: .92fr 1fr; gap: 18px; align-items: center; }
.notice-card img { width: 100%; max-height: 260px; object-fit: contain; border-radius: 16px; background: #101115; }
.app-section { background: radial-gradient(circle at 70% 10%, rgba(248,200,74,.11), transparent 35%), #15161A; border: 1px solid rgba(248,200,74,.16); border-radius: 24px; padding: clamp(20px, 4vw, 42px); box-shadow: var(--shadow); display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center; }
.check-list { list-style: none; padding: 0; margin: 18px 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.check-list li { background: #1B1C21; border: 1px solid rgba(248,200,74,.12); border-radius: 14px; padding: 13px; color: #EDEFF5; }
.help-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; align-items: start; }
.help-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.faq-card h3 { margin-top: 0; color: #F8C84A; }
.compliance { background: linear-gradient(135deg, #1B1C21, #15161A); border: 1px solid rgba(248,200,74,.22); border-radius: 22px; padding: 26px; box-shadow: var(--shadow); }
.inner-hero { padding: 34px 0 18px; }
.inner-hero-card { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; align-items: center; background: radial-gradient(circle at 12% 0, rgba(248,200,74,.12), transparent 34%), #15161A; border: 1px solid rgba(248,200,74,.16); border-radius: 24px; padding: clamp(22px, 4vw, 44px); box-shadow: var(--shadow); }
.inner-hero h1 { margin: 0 0 14px; font-size: clamp(30px, 5vw, 54px); line-height: 1.12; }
.breadcrumb { color: #8E96A6; font-size: 14px; margin-bottom: 10px; }
.content-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 22px; align-items: start; }
.article-card { background: #15161A; border: 1px solid rgba(248,200,74,.16); border-radius: 22px; padding: clamp(22px, 3vw, 34px); box-shadow: var(--shadow); }
.article-card h2 { margin: 0 0 12px; font-size: clamp(24px, 3vw, 34px); }
.article-card h3 { margin: 24px 0 10px; }
.side-stack { display: grid; gap: 16px; }
.side-card { background: #1B1C21; border: 1px solid rgba(248,200,74,.16); border-radius: 18px; padding: 20px; }
.side-card h3 { margin-top: 0; }
.split-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.steps { counter-reset: step; display: grid; gap: 14px; margin: 18px 0; }
.step-card { counter-increment: step; background: #1B1C21; border: 1px solid rgba(248,200,74,.14); border-radius: 16px; padding: 18px; }
.step-card:before { content: counter(step, decimal-leading-zero); color: #F8C84A; font-weight: 900; display: block; margin-bottom: 8px; }
.contact-list { display: grid; gap: 12px; margin-top: 18px; }
.contact-list div { padding: 16px; border-radius: 14px; background: #1B1C21; border: 1px solid rgba(248,200,74,.14); color: #B8BEC9; }
.site-footer { background: #08090C; color: #D8DEEA; margin-top: 48px; padding: 42px 0 24px; border-top: 1px solid rgba(248,200,74,.12); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 26px; }
.footer-brand p, .footer-note p { color: #D8DEEA; opacity: .88; }
.footer-col { display: grid; gap: 8px; align-content: start; }
.footer-col h3 { margin: 0 0 6px; color: #F8C84A; }
.footer-col a { color: #D8DEEA; }
.footer-col a:hover { color: #F8C84A; }
.footer-note { border-top: 1px solid rgba(248,200,74,.10); margin-top: 28px; padding-top: 18px; font-size: 14px; }
@media (max-width: 1120px) {
  .desktop-nav { gap: 12px; }
  .nav-links a { font-size: 13px; padding: 12px 6px; }
}
@media (max-width: 920px) {
  .desktop-nav { display: none; }
  .mobile-topbar { display: flex; }
  .wrap { width: min(100% - 28px, 760px); }
  .hero-grid, .inner-hero-card, .content-grid, .help-grid, .app-section, .feature-row, .feature-row.reverse, .notice-card { grid-template-columns: 1fr; }
  .feature-row.reverse .image-card { order: initial; }
  .quick-grid, .zone-grid { grid-template-columns: repeat(2, 1fr); }
  .board-grid, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .duo-grid, .faq-grid, .split-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .wrap { width: min(100% - 22px, 520px); }
  .hero-section { margin: 18px 11px 26px; border-radius: 18px; }
  .hero-grid { padding: 22px; }
  .quick-grid, .zone-grid, .board-grid, .help-cards, .check-list, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 25px 0; }
  .mobile-topbar .main-btn { padding: 0 15px; min-height: 38px; }
  .brand-logo img, .footer-logo img, .drawer-logo img { width: 112px; }
  .hero-section img, .content-img, .zone-card img, .app-section img, .inner-hero img, .image-card img { max-height: 300px; }
}