:root {
  --rock: #3a3e44;
  --rock-d: #23272c;
  --ash: #6c7178;
  --paper: #e6e1d6;
  --fiber: #d8d2c6;
  --ink: #1f2328;
  --muted: #5c6168;
  --line: rgba(35, 39, 44, 0.12);
  --glow: #9ee7e0;
  --glow-2: #c9b48a;
  --max: 1100px;
  --foot-min: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.75;
}
img { max-width: 100%; height: auto; border: 0; vertical-align: middle; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
ul { margin: 0; padding: 0; list-style: none; }

.paper-tex {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  opacity: 0.18;
  mix-blend-mode: multiply;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E"),
    repeating-linear-gradient(90deg, transparent 0 17px, rgba(90,86,78,0.03) 18px);
}

.wrap { width: var(--max); max-width: calc(100% - 40px); margin: 0 auto; }
.kicker { font-size: 11px; letter-spacing: 0.24em; color: var(--ash); text-transform: uppercase; }
.h2 { margin: 8px 0 16px; font-size: 28px; font-weight: 600; }
.lead { max-width: 640px; color: var(--muted); }

.grad-text {
  background: linear-gradient(92deg, #f4f1ea 0%, var(--glow) 42%, var(--glow-2) 78%, #f7f3ea 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.h2.grad-text {
  background: linear-gradient(92deg, #2a2e33 0%, #4a7d78 48%, #8a7348 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid rgba(158, 231, 224, 0.35);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  color: #f4f1ea;
  letter-spacing: 0.08em;
  font-size: 13px;
  cursor: pointer;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 0 24px rgba(158, 231, 224, 0.18), inset 0 1px 0 rgba(255,255,255,0.28);
}
.btn:hover { box-shadow: 0 0 28px rgba(158, 231, 224, 0.32); }
.btn-solid {
  background: linear-gradient(180deg, rgba(158,231,224,0.85), rgba(74,125,120,0.92));
  color: #15201e;
  border-color: transparent;
}
.btn-ink {
  background: rgba(35, 39, 44, 0.72);
  color: var(--glow);
}

.index-top { position: absolute; top: 0; left: 0; z-index: 40; width: 100%; }
.announce {
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--glow);
  background: rgba(35, 39, 44, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(158, 231, 224, 0.12);
}
.top-inner {
  width: var(--max);
  max-width: calc(100% - 40px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
}
.logo img { width: 118px; display: block; filter: drop-shadow(0 0 8px rgba(158,231,224,0.35)); }
.nav-main {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  justify-content: center;
  font-size: 13px;
  color: #f4f1ea;
}
.nav-main > li { position: relative; }
.nav-main a:hover { color: var(--glow); }
.mega {
  display: none;
  position: absolute;
  top: 130%;
  left: 50%;
  transform: translateX(-50%);
  width: 520px;
  padding: 18px;
  background: rgba(230, 225, 214, 0.92);
  color: var(--ink);
  z-index: 50;
  grid-template-columns: 1.2fr 1fr;
  gap: 12px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.5);
}
.has-mega:hover .mega, .has-mega:focus-within .mega { display: grid; }
.mega h4 { margin: 0 0 8px; font-size: 12px; }
.mega a { display: block; padding: 4px 0; color: var(--muted); }
.top-cta { display: flex; gap: 10px; align-items: center; }
.top-cta .link { color: #f4f1ea; font-size: 12px; }
.menu-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid rgba(158,231,224,0.4);
  background: rgba(255,255,255,0.1);
  color: #f4f1ea;
  padding: 8px 12px;
  border-radius: 8px;
  backdrop-filter: blur(12px);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 148px 0 72px;
  overflow: hidden;
  background: var(--rock-d);
  color: #f4f1ea;
  text-align: center;
}
.globe { position: absolute; left: 50%; top: 50%; width: 860px; height: 860px; margin: -430px 0 0 -430px; opacity: 0.32; }
.spin { transform-origin: 200px 200px; animation: spin 50s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-mask {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(35,39,44,0.12), rgba(35,39,44,0.86)),
    linear-gradient(180deg, rgba(158,231,224,0.08), transparent 40%);
}
.hero-inner { position: relative; z-index: 2; }
.hero-search {
  display: flex;
  max-width: 560px;
  margin: 0 auto 22px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(158,231,224,0.28);
  border-radius: 12px;
  overflow: hidden;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 0 30px rgba(158,231,224,0.12);
}
.hero-search input {
  flex: 1;
  border: 0;
  background: transparent;
  color: #f4f1ea;
  padding: 14px 16px;
  font-size: 14px;
  outline: none;
}
.hero-search input::placeholder { color: rgba(244,241,234,0.5); }
.hero-search button {
  border: 0;
  background: linear-gradient(180deg, rgba(158,231,224,0.9), rgba(74,125,120,0.95));
  color: #15201e;
  padding: 0 20px;
  cursor: pointer;
  letter-spacing: 0.08em;
}
.float-banner {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--glow);
  text-shadow: 0 0 16px rgba(158,231,224,0.55);
}
.hero h1 { margin: 0 0 12px; font-size: 48px; font-weight: 600; }
.hero .sub { margin: 0 0 28px; font-size: 18px; color: rgba(244,241,234,0.72); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

.section { padding: 80px 0; }
.sell-row { overflow: hidden; margin-left: -6.88%; }
.sell-item { float: left; width: 18.11%; margin-left: 6.88%; text-align: center; }
.illust { width: 200px; height: 176px; margin: 0 auto 12px; object-fit: cover; display: block; background: #cfc8ba; }
.sell-item h3 { margin: 0 0 6px; font-size: 16px; }
.sell-item p { margin: 0; text-align: left; color: var(--muted); font-size: 13px; }

.line-list { border-top: 1px solid var(--line); }
.line-row {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 28px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.line-row h3 { margin: 0 0 6px; font-size: 18px; }
.shot { width: 100%; min-height: 220px; object-fit: contain; display: none; background: #cfc8ba; }
.shot.is-on { display: block; }

.icon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.icon-cell {
  background: rgba(255,255,255,0.38);
  padding: 18px 14px;
  min-height: 118px;
  border: 1px solid rgba(255,255,255,0.5);
}
.icon-cell strong { display: block; margin-bottom: 6px; }
.icon-cell span { color: var(--muted); font-size: 13px; }
.more-box { display: none; margin-top: 8px; }
.more-box.is-on { display: grid; }
.fold-btn {
  display: block;
  margin: 20px auto 0;
  background: rgba(255,255,255,0.35);
  border: 1px solid rgba(35,39,44,0.1);
  padding: 10px 18px;
  border-radius: 10px;
  letter-spacing: 0.14em;
  cursor: pointer;
  backdrop-filter: blur(10px);
}
.oa-banner { width: 100%; max-width: 460px; margin: 0 0 22px; background: #2a5a4a; }

.ticker {
  display: flex;
  gap: 0;
  background: var(--rock-d);
  color: #f4f1ea;
  overflow: hidden;
}
.tick {
  flex: 1;
  padding: 28px 16px;
  text-align: center;
  box-shadow: inset -1px 0 0 rgba(158,231,224,0.12);
}
.tick b {
  display: block;
  font-size: 32px;
  font-weight: 600;
  color: var(--glow);
  text-shadow: 0 0 18px rgba(158,231,224,0.45);
  letter-spacing: 0.04em;
}
.tick span { font-size: 12px; color: rgba(244,241,234,0.65); letter-spacing: 0.12em; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.card { padding: 24px; min-height: 160px; background: rgba(255,255,255,0.36); }
.card.private {
  border-radius: 16px;
  border: 1px solid rgba(6, 15, 26, 0.07);
  background: rgba(255,255,255,0.48);
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.tile-shot { width: 100%; height: 128px; object-fit: cover; object-position: top; margin-top: 12px; }

.logo-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  filter: grayscale(1);
  opacity: 0.62;
}
.logo-cell {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.4);
  color: var(--rock);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.calc {
  padding: 28px;
  background: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.55);
  backdrop-filter: blur(12px);
}
.calc label { display: block; margin-bottom: 8px; font-size: 13px; color: var(--muted); }
.calc input[type="range"] { width: 100%; accent-color: #4a7d78; }
.calc-out { margin: 18px 0 0; font-size: 15px; }
.calc-out b { color: #2d6b66; }

.marquee { overflow: hidden; padding: 12px 0; }
.track { display: flex; gap: 10px; width: max-content; animation: marquee 90s linear infinite; }
.quote-card {
  flex: 0 0 228px;
  padding: 16px;
  background: rgba(255,255,255,0.42);
  font-size: 13px;
  color: var(--muted);
}
.quote-card strong { display: block; margin-top: 10px; color: var(--rock); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

.cmp { width: 100%; border-collapse: collapse; background: rgba(255,255,255,0.32); }
.cmp th, .cmp td { padding: 14px 12px; text-align: left; box-shadow: inset 0 -1px 0 var(--line); font-size: 14px; }
.cmp th { background: rgba(35, 39, 44, 0.08); }
.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 14px; }
.plat {
  text-align: center;
  padding: 14px 8px;
  background: rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
}

.faq-search {
  width: 100%;
  max-width: 480px;
  margin: 0 0 18px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
  border-radius: 10px;
  outline: none;
}
.faq-list { border-top: 1px solid var(--line); }
.faq-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.faq-item h3 { margin: 0 0 6px; font-size: 16px; }
.faq-item p { margin: 0; color: var(--muted); font-size: 14px; }
.faq-item.is-hide { display: none; }

.article { max-width: 740px; }
.article p { margin: 0 0 16px; color: var(--muted); }
.article h2 { margin: 26px 0 10px; font-size: 22px; }
.crumbs { padding: 116px 0 0; font-size: 12px; color: var(--muted); }
.page-hero { padding: 18px 0 36px; }
.page-hero h1 { margin: 8px 0 12px; font-size: 32px; }
body.sub .index-top { background: rgba(35, 39, 44, 0.92); }
body.sub .page-hero .grad-text {
  background: linear-gradient(92deg, #2a2e33 0%, #4a7d78 48%, #8a7348 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
body.sub .hero-actions .btn { color: #15201e; background: rgba(255,255,255,0.55); border-color: rgba(35,39,44,0.12); }
body.sub .hero-actions .btn-ink { background: rgba(35,39,44,0.86); color: var(--glow); }

.site-foot { background: #f7f8f8; min-width: var(--foot-min); padding: 40px 0 0; color: #6a6560; }
.foot-inner { width: var(--foot-min); max-width: calc(100% - 40px); margin: 0 auto; }
.foot-nav { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.foot-nav h4 { margin: 0 0 8px; color: var(--ink); font-size: 13px; }
.foot-nav a { display: block; padding: 3px 0; font-size: 13px; }
.legal { font-size: 12px; color: #828282; max-width: 820px; box-shadow: inset 0 1px 0 var(--line); padding: 14px 0 18px; }
.disclaimer {
  background: #ececec;
  color: #6a6560;
  font-size: 12px;
  padding: 14px 0;
  border-top: 1px solid #e0e0e0;
}
.disclaimer .foot-inner { padding-bottom: 8px; }

@media (max-width: 1180px) { .site-foot, .foot-inner { min-width: 0; width: 100%; } }
@media (max-width: 930px) {
  .hero h1 { font-size: 32px; }
  .line-row, .cards-3 { grid-template-columns: 1fr; }
  .sell-item { width: 43%; margin-bottom: 22px; }
  .icon-grid, .platforms, .logo-wall { grid-template-columns: 1fr 1fr; }
  .ticker { flex-wrap: wrap; }
  .tick { flex: 1 1 45%; }
  .foot-nav { flex-wrap: wrap; }
}
@media (max-width: 770px) {
  .menu-toggle { display: inline-flex; }
  .nav-main, .top-cta { display: none; }
  .index-top.is-open .nav-main {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 20px;
    right: 20px;
    background: rgba(230,225,214,0.96);
    color: var(--ink);
    padding: 16px;
    gap: 10px;
    backdrop-filter: blur(16px);
  }
  .sell-item { width: 100%; margin-left: 0; }
  .sell-row { margin-left: 0; }
}