:root {
  --bg: #080808;
  --panel: #121212;
  --panel-2: #1b1b1b;
  --text: #f6f2e9;
  --muted: #a9a093;
  --line: rgba(255, 255, 255, .1);
  --gold: #e7b85a;
  --orange: #ff7a1a;
  --danger: #ff4d4d;
  --shadow: 0 24px 70px rgba(0, 0, 0, .42);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 0%, rgba(255, 122, 26, .18), transparent 32rem),
    radial-gradient(circle at 15% 18%, rgba(231, 184, 90, .14), transparent 28rem),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }

.site-header { padding: 18px min(4vw, 56px) 44px; }
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1220px;
  margin: 0 auto;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(18, 18, 18, .74);
  backdrop-filter: blur(18px);
  border-radius: 999px;
  position: sticky;
  top: 14px;
  z-index: 10;
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: max-content; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: #111;
  background: linear-gradient(135deg, var(--gold), var(--orange));
  font-weight: 900;
  box-shadow: 0 0 28px rgba(255, 122, 26, .25);
}
.brand strong { display: block; font-size: 18px; line-height: 1; }
.brand small { display: block; color: var(--muted); font-size: 11px; letter-spacing: .18em; margin-top: 4px; }
.main-nav { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; justify-content: center; }
.main-nav a { color: var(--muted); padding: 10px 12px; border-radius: 999px; }
.main-nav a:hover { color: var(--text); background: rgba(255, 255, 255, .07); }
.ghost-btn, .secondary-btn {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, .04);
  border-radius: 999px;
  padding: 11px 16px;
}
.ghost-btn:hover, .secondary-btn:hover { border-color: rgba(231, 184, 90, .45); }
.primary-btn, .search-box button, .calculator-card button {
  border: 0;
  color: #140c02;
  background: linear-gradient(135deg, var(--gold), var(--orange));
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 800;
}

.hero {
  max-width: 1220px;
  margin: 52px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, .6fr);
  gap: 28px;
  align-items: stretch;
}
.hero-copy, .hero-card, .strip, .notice-wrap, .content-section, .site-footer {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
  box-shadow: var(--shadow);
}
.hero-copy { padding: clamp(28px, 5vw, 68px); border-radius: var(--radius-xl); }
.eyebrow { color: var(--gold); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { font-size: clamp(40px, 6vw, 76px); line-height: 1.03; margin: 12px 0 20px; max-width: 760px; }
.hero-desc { color: var(--muted); font-size: 18px; max-width: 680px; line-height: 1.8; }
.search-box {
  display: flex;
  gap: 10px;
  margin-top: 30px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0,0,0,.34);
}
.search-box input {
  flex: 1;
  border: 0;
  outline: 0;
  min-width: 120px;
  color: var(--text);
  background: transparent;
  padding: 0 16px;
}
.hero-actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-card {
  border-radius: var(--radius-xl);
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  min-height: 390px;
  position: relative;
  overflow: hidden;
}
.coal-orb {
  position: absolute;
  width: 280px;
  height: 280px;
  right: -52px;
  top: -42px;
  border-radius: 46% 54% 42% 58%;
  background:
    radial-gradient(circle at 32% 26%, rgba(255,255,255,.2), transparent 12%),
    radial-gradient(circle at 78% 72%, rgba(255,122,26,.35), transparent 22%),
    #151515;
  box-shadow: inset -30px -36px 80px rgba(0,0,0,.8), 0 30px 80px rgba(255,122,26,.18);
}
.hero-card p, .hero-card span { color: var(--muted); margin: 0; }
.hero-card strong { font-size: 76px; margin: 10px 0; z-index: 1; }

main { max-width: 1220px; margin: 0 auto; padding: 0 min(4vw, 0px) 42px; }
.strip, .notice-wrap, .content-section { border-radius: var(--radius-xl); margin-top: 28px; padding: 26px; }
.strip h2, .section-title h2 { margin: 0; font-size: 26px; }
.market-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-top: 18px; }
.market-card {
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  min-height: 90px;
}
.market-card b { display: block; margin-bottom: 8px; }
.market-card span { color: var(--muted); font-size: 13px; }
.section-title { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.section-title a, .section-title span { color: var(--muted); }
.notice-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.notice-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.035);
}
.notice-list time { color: var(--muted); min-width: max-content; }
.store-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.store-card, .product-card, .calculator-card, .flow-list li {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-lg);
}
.store-card { padding: 20px; min-height: 170px; }
.store-card .tag { color: var(--gold); font-weight: 800; font-size: 13px; }
.store-card p { color: var(--muted); line-height: 1.7; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.product-card { overflow: hidden; }
.product-img {
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,.72);
  font-weight: 900;
  background:
    radial-gradient(circle at 20% 10%, rgba(231,184,90,.32), transparent 28%),
    linear-gradient(135deg, #262626, #101010);
}
.product-body { padding: 16px; }
.product-title { min-height: 48px; line-height: 1.5; }
.price { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.price strong { color: var(--gold); }
.add-cart {
  border: 1px solid rgba(231,184,90,.35);
  color: var(--gold);
  background: transparent;
  border-radius: 999px;
  padding: 8px 10px;
}
.calculator-card {
  display: grid;
  grid-template-columns: 1fr 1fr auto 1fr;
  align-items: end;
  gap: 14px;
  padding: 20px;
}
.calculator-card label { color: var(--muted); display: grid; gap: 8px; }
.calculator-card input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0,0,0,.32);
  color: var(--text);
  padding: 12px;
  outline: 0;
}
.flow-list { display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
.flow-list li { padding: 18px; }
.flow-list span { color: var(--gold); font-weight: 900; }
.flow-list b { display: block; margin: 12px 0 8px; }
.flow-list p { color: var(--muted); font-size: 13px; margin: 0; line-height: 1.6; }
.floating-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: grid;
  gap: 10px;
  z-index: 20;
}
.floating-panel button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 16px;
  color: var(--text);
  background: rgba(18,18,18,.85);
  backdrop-filter: blur(12px);
}
#cartCount {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  min-height: 22px;
  margin-left: 4px;
  border-radius: 50%;
  color: #111;
  background: var(--gold);
  font-weight: 900;
}
.site-footer {
  max-width: 1220px;
  margin: 0 auto 28px;
  padding: 28px;
  border-radius: var(--radius-xl);
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.site-footer p, .footer-links a { color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; align-content: start; }
dialog {
  width: min(420px, calc(100vw - 32px));
  border: 1px solid var(--line);
  color: var(--text);
  background: #121212;
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(0,0,0,.72); }
.dialog-close {
  float: right;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 28px;
}
.qr-demo {
  width: 180px;
  height: 180px;
  margin: 20px auto;
  display: grid;
  place-items: center;
  color: #111;
  font-weight: 900;
  background:
    linear-gradient(90deg, #111 10px, transparent 10px) 0 0/28px 28px,
    linear-gradient(#111 10px, transparent 10px) 0 0/28px 28px,
    #f8f5ed;
}

@media (max-width: 980px) {
  .topbar { border-radius: 24px; align-items: flex-start; flex-wrap: wrap; }
  .main-nav { order: 3; width: 100%; justify-content: flex-start; }
  .hero { grid-template-columns: 1fr; }
  .market-grid, .store-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-list { grid-template-columns: repeat(2, 1fr); }
  .calculator-card { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
}

@media (max-width: 560px) {
  .site-header { padding-inline: 12px; }
  main { padding-inline: 12px; }
  .market-grid, .store-grid, .product-grid, .flow-list { grid-template-columns: 1fr; }
  .search-box { border-radius: 18px; flex-direction: column; }
  .search-box input { padding: 12px; }
  .hero h1 { font-size: 38px; }
}

.compact-title {
  margin-bottom: 18px;
}

.platform-search-card,
.proxy-order-card {
  display: grid;
  grid-template-columns: 180px 1fr auto auto;
  gap: 12px;
  align-items: end;
  padding: 18px;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 22px;
  background: rgba(255, 255, 255, .05);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .18);
}

.platform-search-card label,
.proxy-order-card label {
  color: var(--muted);
  font-size: 13px;
}

.platform-search-card input,
.platform-search-card select,
.proxy-order-card input {
  width: 100%;
  margin-top: 7px;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 14px;
  padding: 13px 14px;
  color: var(--text);
  background: rgba(0, 0, 0, .28);
  outline: none;
}

.platform-search-card button,
.proxy-order-card button,
.ghost-inline {
  border: 0;
  border-radius: 14px;
  padding: 13px 18px;
  cursor: pointer;
  color: #121212;
  font-weight: 800;
  background: var(--accent);
}

.ghost-inline {
  color: var(--text) !important;
  border: 1px solid rgba(255, 255, 255, .18) !important;
  background: rgba(255, 255, 255, .08) !important;
}

.market-card em {
  display: inline-flex;
  width: fit-content;
  margin-top: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(255, 205, 74, .12);
  font-size: 12px;
  font-style: normal;
}

.api-result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.api-result-card {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 14px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 20px;
  background: rgba(255, 255, 255, .05);
}

.api-thumb {
  display: grid;
  place-items: center;
  overflow: hidden;
  height: 86px;
  border-radius: 16px;
  color: var(--accent);
  background: linear-gradient(135deg, #151515, #363636);
  font-weight: 900;
}

.api-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.api-result-card small,
.api-result-card p {
  color: var(--muted);
}

.api-result-card h3 {
  margin: 6px 0;
  font-size: 15px;
  line-height: 1.45;
}

.api-result-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
}

.api-result-actions a {
  padding: 7px 12px;
  border-radius: 999px;
  color: #111;
  background: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

.proxy-order-card {
  grid-template-columns: 1fr 1.2fr auto;
  margin-top: 18px;
}

.proxy-order-card h3 {
  grid-column: 1 / -1;
  margin: 0;
}

.proxy-order-card p {
  grid-column: 1 / -1;
  margin: -4px 0 0;
  color: var(--muted);
}

.proxy-order-card small {
  grid-column: 1 / -1;
  min-height: 18px;
  color: var(--accent);
}

@media (max-width: 900px) {
  .platform-search-card,
  .proxy-order-card,
  .api-result-card {
    grid-template-columns: 1fr;
  }

  .api-result-grid {
    grid-template-columns: 1fr;
  }
}