:root {
  --gold: #c9a56a;
  --champagne: #e6d3a8;
  --ink: #16120e;
  --muted: #6b6258;
  --paper: #f3efe8;
  --metal: #b8b0a4;
  --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: 14px;
  line-height: 1.7;
}
h1, h2, h3 { font-weight: 800; letter-spacing: -0.03em; }
img { max-width: 100%; height: auto; border: 0; vertical-align: middle; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: 0; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

.haze {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 14% 10%, rgba(230, 211, 168, 0.45), transparent 42%),
    radial-gradient(ellipse at 88% 80%, rgba(22, 18, 14, 0.12), transparent 46%);
}

.wrap { width: var(--max); max-width: calc(100% - 40px); margin: 0 auto; position: relative; z-index: 1; }
.kicker { font-size: 11px; letter-spacing: 0.22em; color: var(--gold); text-transform: uppercase; }
.h2 { margin: 8px 0 18px; font-size: 36px; }
.lead { max-width: 560px; color: var(--muted); font-size: 13px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 0;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  letter-spacing: 0.08em;
}
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px 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-main { display: flex; align-items: center; gap: 16px; flex: 1; justify-content: center; font-size: 13px; }
.nav-main > li { position: relative; }
.mega {
  display: none;
  position: absolute;
  top: 130%;
  left: 50%;
  transform: translateX(-50%);
  width: 520px;
  padding: 18px;
  background: #fff;
  z-index: 50;
  grid-template-columns: 1.2fr 1fr;
  gap: 12px;
  border-radius: 0;
  box-shadow: 0 16px 40px rgba(22, 18, 14, 0.12);
}
.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 { font-size: 12px; }

.rail {
  position: fixed;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 70;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: rgba(243, 239, 232, 0.92);
  box-shadow: 0 12px 28px rgba(22, 18, 14, 0.12);
}
.rail a {
  width: 46px;
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  text-align: center;
  line-height: 1.2;
  color: var(--muted);
}
.rail a:hover, .rail a.is-on { background: var(--ink); color: var(--paper); }

.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px 0 64px;
  overflow: hidden;
  background: #d9cbb3;
}
.globe { position: absolute; left: -90px; bottom: -140px; width: 540px; height: 540px; opacity: 0.2; 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(230, 211, 168, 0.1), rgba(22, 18, 14, 0.28));
}
.hero-grid {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
.float-banner { display: inline-block; margin-bottom: 14px; font-size: 12px; letter-spacing: 0.16em; color: var(--ink); }
.hero h1 { margin: 0 0 10px; font-size: 48px; line-height: 1.15; }
.hero .sub { margin: 0 0 24px; font-size: 16px; color: rgba(22, 18, 14, 0.72); font-weight: 400; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-grid img { width: 100%; background: #cbb892; box-shadow: 0 24px 48px rgba(22, 18, 14, 0.22); }

.section { padding: 80px 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: #cbb892; }
.sell-item h3 { margin: 0 0 6px; font-size: 16px; }
.sell-item p { margin: 0; text-align: left; color: var(--muted); font-size: 12px; }

.bento {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 10px;
}
.bento .big { grid-row: 1 / 3; }
.bento article { background: #fff; padding: 18px; min-height: 140px; }
.bento .big img { width: 100%; height: 100%; min-height: 280px; object-fit: cover; background: #cbb892; display: block; }
.bento h3 { margin: 0 0 6px; font-size: 16px; }
.bento p { margin: 0; color: var(--muted); font-size: 12px; }
.bento img.thumb { width: 100%; height: 72px; object-fit: cover; margin-bottom: 10px; background: #cbb892; }

.icon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.icon-cell { padding: 18px 14px; min-height: 118px; background: #fff; }
.icon-cell strong { display: block; margin-bottom: 6px; }
.icon-cell span { color: var(--muted); font-size: 12px; }
.more-box { display: none; margin-top: 8px; }
.more-box.is-on { display: grid; }
.fold-btn { display: block; margin: 20px auto 0; background: none; color: var(--muted); }
.oa-banner { width: 100%; max-width: 460px; margin: 0 0 22px; background: #2a5a4a; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--ink);
  color: var(--paper);
}
.stat { padding: 36px 18px; text-align: center; border-right: 1px solid rgba(230, 211, 168, 0.18); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 42px; line-height: 1.1; }
.stat span { font-size: 12px; color: var(--champagne); }

.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(22, 18, 14, 0.08); }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 13px; }
.tile-shot { width: 100%; height: 128px; object-fit: cover; object-position: top; margin-top: 12px; }

.cases { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.case { background: #fff; }
.case img { width: 100%; height: 200px; object-fit: cover; background: #cbb892; }
.case div { padding: 22px; }
.case h3 { margin: 0 0 8px; font-size: 22px; }
.case p { margin: 0; color: var(--muted); font-size: 13px; }

.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); }
.quote-card strong { display: block; margin-top: 10px; color: var(--ink); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

.compare { width: 100%; border-collapse: collapse; background: #fff; }
.compare th, .compare td { padding: 14px 12px; text-align: left; border-bottom: 1px solid rgba(22, 18, 14, 0.08); font-size: 13px; }
.compare th { background: var(--ink); color: var(--paper); font-weight: 700; }
.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 18px; }
.plat { text-align: center; padding: 14px 8px; background: #fff; }

.faq-line .item { border-top: 1px solid rgba(22, 18, 14, 0.12); }
.faq-line .item:last-child { border-bottom: 1px solid rgba(22, 18, 14, 0.12); }
.faq-line button { display: block; width: 100%; text-align: left; padding: 16px 0; background: none; font-size: 16px; font-weight: 700; }
.faq-line .panel { display: none; padding: 0 0 16px; color: var(--muted); font-size: 13px; }
.faq-line .item.is-on .panel { display: block; }

.article { max-width: 740px; }
.article p { margin: 0 0 16px; color: var(--muted); font-size: 13px; }
.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: 36px; }
body.sub .index-top { position: relative; background: rgba(243, 239, 232, 0.94); }
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: 16px 0; }
.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: 8px; margin: 12px 0; }
.social span {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: #eceeef; font-size: 12px; color: #6a6560;
}
.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; }
  .hero-grid, .bento, .cards-3, .cases, .stats { grid-template-columns: 1fr; }
  .bento .big { grid-row: auto; }
  .sell-item { width: 43%; margin-bottom: 22px; }
  .icon-grid, .platforms { grid-template-columns: 1fr 1fr; }
  .rail { display: none; }
  .foot-nav { flex-wrap: wrap; }
  .stat { border-right: 0; border-bottom: 1px solid rgba(230, 211, 168, 0.18); }
}
@media (max-width: 770px) {
  .nav-main, .top-cta .link { display: none; }
  .sell-item { width: 100%; margin-left: 0; }
  .sell-row { margin-left: 0; }
}