:root {
  --ind: #3d4f8a;
  --ind-d: #24315c;
  --ind-l: #c9d2ea;
  --ink: #141820;
  --muted: #667084;
  --paper: #eef0f4;
  --max: 1100px;
  --foot-min: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(61, 79, 138, 0.14), transparent 40%),
    radial-gradient(circle at 90% 78%, rgba(201, 210, 234, 0.55), transparent 46%),
    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; }
code, .mono {
  font-family: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.wrap { width: var(--max); max-width: calc(100% - 40px); margin: 0 auto; position: relative; z-index: 1; }
.kicker { font-size: 12px; letter-spacing: 0.22em; color: var(--ind); font-family: "JetBrains Mono", Consolas, monospace; }
.h2 { margin: 8px 0 18px; font-size: 28px; font-weight: 800; }
.lead { max-width: 640px; color: var(--muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 0;
  border-radius: 0;
  background: var(--ind-d);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
}
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--ink); }

.index-top { position: absolute; top: 0; left: 0; z-index: 40; width: 100%; }
.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; }
.nav-mid { display: flex; gap: 16px; align-items: center; font-size: 13px; flex: 1; justify-content: center; }
.nav-mid > a { white-space: nowrap; }
.drop { position: relative; }
.drop summary { list-style: none; cursor: pointer; }
.drop summary::-webkit-details-marker { display: none; }
.mega {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%);
  min-width: 220px; background: #fff; padding: 12px;
  box-shadow: 0 16px 36px rgba(20, 24, 32, 0.14); display: none; z-index: 50;
}
.drop[open] .mega { display: grid; gap: 4px; }
.mega a { display: block; padding: 6px 8px; }
.mega a:hover { background: var(--ind-l); }
.top-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; font-size: 12px; }
.top-cta .btn { min-height: 34px; padding: 0 14px; }

.drawer-toggle {
  position: fixed; left: 16px; top: 50%; transform: translateY(-50%); z-index: 80;
  width: 44px; height: 44px; border: 0; border-radius: 0; background: var(--ind-d); color: #fff;
  cursor: pointer; font-size: 18px;
}
.drawer {
  position: fixed; left: 0; top: 0; bottom: 0; width: 260px; z-index: 90;
  background: rgba(238, 240, 244, 0.96);
  border-right: 1px solid rgba(36, 49, 92, 0.16);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  padding: 72px 22px 24px;
}
.drawer.is-on { transform: translateX(0); }
.drawer a { display: block; padding: 10px 0; border-bottom: 1px solid rgba(36, 49, 92, 0.1); font-size: 14px; }
.drawer .mono { color: var(--ind); display: block; margin-bottom: 14px; }
.drawer-mask {
  position: fixed; inset: 0; background: rgba(20, 24, 32, 0.28); z-index: 85; display: none;
}
.drawer-mask.is-on { display: block; }

.hero {
  position: relative;
  min-height: 100vh;
  padding: 150px 0 90px;
  overflow: hidden;
  background: linear-gradient(180deg, #d7ddea, #c5cde0);
  text-align: left;
}
.globe { position: absolute; right: -80px; top: 8%; width: 720px; height: 720px; opacity: 0.12; z-index: 1; }
.spin { transform-origin: 200px 200px; animation: spin 50s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-mask { position: absolute; inset: 0; z-index: 2; background: radial-gradient(ellipse at 30% 40%, rgba(238,240,244,0.08), rgba(36,49,92,0.16)); }
.hero-inner { position: relative; z-index: 3; }
.float-banner {
  display: inline-block; margin-bottom: 18px; padding: 8px 14px;
  background: #fff; color: var(--ink); font-size: 12px;
  border-left: 3px solid var(--ind);
}
.hero h1 { margin: 0 0 10px; font-size: 48px; font-weight: 900; line-height: 1.15; max-width: 16ch; }
.hero .sub { margin: 0 0 24px; font-size: 17px; color: var(--ind-d); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.section { padding: 84px 0; position: relative; z-index: 1; }
.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: var(--ind-l); }
.sell-item h3 { margin: 0 0 6px; font-size: 16px; }
.sell-item p { margin: 0; text-align: left; color: var(--muted); font-size: 13px; }

.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 28px; align-items: center; }
.split.rev { grid-template-columns: 0.95fr 1.05fr; }
.split img { width: 100%; height: 280px; object-fit: cover; }
.split p { margin: 0 0 12px; color: var(--muted); }

.list-compact { display: grid; gap: 12px; }
.list-item { display: grid; grid-template-columns: 56px 1fr; gap: 14px; align-items: start; padding: 8px 0; border-bottom: 1px dashed rgba(36,49,92,0.16); }
.list-item img { width: 56px; height: 56px; object-fit: cover; }
.list-item strong { display: block; margin-bottom: 4px; }
.list-item span { color: var(--muted); font-size: 13px; }

.icon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.icon-cell { padding: 18px 14px; min-height: 112px; background: #fff; border: 1px solid rgba(36,49,92,0.08); }
.icon-cell strong { display: block; margin-bottom: 6px; }
.icon-cell span { color: var(--muted); font-size: 13px; }
.more-box { display: none; margin-top: 10px; }
.more-box.is-on { display: grid; }
.fold-btn { display: block; margin: 20px auto 0; background: #fff; border: 1px solid var(--ink); cursor: pointer; color: var(--ink); padding: 10px 20px; border-radius: 0; }
.oa-banner { width: 100%; max-width: 460px; margin: 0 0 22px; background: var(--ind-d); }

.gauges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gauge {
  text-align: center; padding: 18px 10px; background: #fff;
}
.dial {
  width: 120px; height: 60px; margin: 0 auto 10px; position: relative;
  background: conic-gradient(from 180deg, var(--ind) var(--p, 70%), #d9deea 0);
  border-radius: 120px 120px 0 0;
  -webkit-mask: radial-gradient(circle at 50% 100%, transparent 42px, #000 43px);
  mask: radial-gradient(circle at 50% 100%, transparent 42px, #000 43px);
}
.gauge strong { display: block; font-size: 22px; font-family: "JetBrains Mono", Consolas, monospace; }
.gauge span { color: var(--muted); font-size: 13px; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.card { padding: 22px; min-height: 160px; background: #fff; }
.card.private { border-radius: 16px; border: 1px solid rgba(20,24,32,0.12); }
.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; }

.trust { position: relative; }
.avatars { display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; }
.avatars img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 50%; }
.bubbles { position: relative; min-height: 160px; margin-top: 18px; }
.bubble {
  position: absolute; max-width: 240px; padding: 12px 14px; background: #fff;
  border: 1px solid rgba(36,49,92,0.12); font-size: 13px; color: var(--muted);
  animation: floaty 3.6s ease-in-out infinite;
}
.bubble b { display: block; margin-top: 6px; color: var(--ink); font-size: 12px; }
.b1 { left: 0; top: 8px; }
.b2 { left: 36%; top: 40px; animation-delay: 0.6s; }
.b3 { right: 0; top: 0; animation-delay: 1.1s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.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: #fff; font-size: 13px; color: var(--muted); border: 1px solid rgba(36,49,92,0.08); }
.quote-card strong { display: block; margin-top: 10px; color: var(--ink); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

.cmp { width: 100%; border-collapse: collapse; background: #fff; }
.cmp th, .cmp td { border: 1px solid rgba(36,49,92,0.14); padding: 14px 12px; text-align: left; font-size: 14px; }
.cmp th { background: var(--ind-d); color: #fff; font-weight: 700; }
.cmp td.mono { color: var(--ind); }
.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 22px; }
.plat { text-align: center; padding: 14px 8px; background: #fff; border: 1px solid rgba(36,49,92,0.08); }

.faq-line { border-top: 1px solid rgba(36,49,92,0.16); }
.faq-line .acc-btn {
  width: 100%; text-align: left; padding: 18px 0; border: 0; background: transparent;
  cursor: pointer; font-size: 15px; font-weight: 700; display: flex; justify-content: space-between;
  border-radius: 0;
}
.faq-line .acc-panel { display: none; padding: 0 0 16px; color: var(--muted); }
.faq-line.is-on .acc-panel { display: block; }
.faq-line + .faq-line { border-top: 1px solid rgba(36,49,92,0.16); }
.faq-wrap { border-bottom: 1px solid rgba(36,49,92,0.16); }

.article { max-width: 740px; }
.article p { margin: 0 0 16px; color: var(--muted); }
.article h2 { margin: 26px 0 10px; font-size: 22px; }
.crumbs { padding: 88px 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 { position: relative; background: rgba(238,240,244,0.95); }
body.sub .crumbs { padding-top: 12px; }

.site-foot { background: #f7f8f8; min-width: var(--foot-min); padding: 40px 0 24px; 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: 16px; margin-bottom: 16px; text-align: left; }
.foot-nav h4 { margin: 0 0 8px; color: var(--ink); font-size: 13px; }
.foot-nav a { display: block; padding: 3px 0; font-size: 13px; }
.social { display: flex; gap: 10px; align-items: center; margin: 10px 0 14px; }
.social span {
  width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center;
  background: #fff; border: 1px solid rgba(36,49,92,0.16); font-size: 11px; color: var(--ind-d);
  font-family: "JetBrains Mono", Consolas, monospace;
}
.legal { font-size: 12px; color: #828282; max-width: 820px; }

@media (max-width: 1180px) { .site-foot, .foot-inner { min-width: 0; width: 100%; } }
@media (max-width: 930px) {
  .hero h1 { font-size: 32px; }
  .cards-3, .gauges { grid-template-columns: 1fr 1fr; }
  .sell-item { width: 43%; margin-bottom: 22px; }
  .icon-grid, .platforms, .avatars { grid-template-columns: 1fr 1fr; }
  .split, .split.rev { grid-template-columns: 1fr; }
  .nav-mid { display: none; }
  .foot-nav { flex-wrap: wrap; }
  .bubble { position: relative; left: auto; right: auto; top: auto; margin-bottom: 10px; }
  .bubbles { min-height: 0; }
}
@media (max-width: 770px) {
  .sell-item { width: 100%; margin-left: 0; }
  .sell-row { margin-left: 0; }
  .gauges, .cards-3 { grid-template-columns: 1fr; }
}