:root {
  --ti: #c5b48a;
  --ti-d: #8a7a4e;
  --glow: #f3e6b8;
  --paper: #d9d4c8;
  --ink: #26241e;
  --muted: #6a655c;
  --line: rgba(38,36,30,0.14);
  --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; }
.en { font-family: Georgia, "Times New Roman", serif; letter-spacing: 0.08em; font-size: 0.72em; color: var(--ti-d); }

.grain {
  pointer-events: none; position: fixed; inset: 0; z-index: 90; opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");
}
.silk { background-image: linear-gradient(120deg, rgba(255,255,255,0.4), transparent 42%, rgba(243,230,184,0.14) 60%, transparent); }
.wrap { width: var(--max); max-width: calc(100% - 40px); margin: 0 auto; }
.kicker { font-size: 11px; letter-spacing: 0.22em; color: var(--ti-d); text-transform: uppercase; }
.h2 { margin: 8px 0 16px; font-size: 28px; font-weight: 600; }
.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: linear-gradient(#e2d3a4, #8a7a4e); color: #1c1a16;
  letter-spacing: 0.1em; font-size: 13px; cursor: pointer;
  box-shadow: 0 0 18px rgba(243,230,184,0.35);
}
.btn-ghost { background: transparent; color: #f6f1e4; box-shadow: inset 0 0 0 1px rgba(243,230,184,0.45); }
.btn-ink { background: #26241e; color: var(--glow); }

.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: 0; flex: 1; justify-content: center; font-size: 13px; color: #f6f1e4; }
.nav-main > li { position: relative; display: flex; align-items: center; }
.nav-main > li + li::before { content: "›"; margin: 0 10px; color: var(--ti); opacity: 0.7; }
.nav-main a:hover { color: var(--glow); }
.mega {
  display: none; position: absolute; top: 130%; left: 50%; transform: translateX(-50%);
  width: 520px; padding: 18px; background: #ece7db; color: var(--ink); z-index: 50;
  grid-template-columns: 1.2fr 1fr; gap: 12px;
}
.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: #f6f1e4; font-size: 12px; }
.menu-toggle { display: none; margin-left: auto; border: 0; background: var(--ti); padding: 8px 12px; }

.hero {
  position: relative; min-height: 100vh; padding: 140px 0 72px; overflow: hidden;
  background: #26241e; color: #f6f1e4; text-align: center;
}
.globe { position: absolute; left: 50%; top: 50%; width: 820px; height: 820px; margin: -410px 0 0 -410px; opacity: 0.3; }
.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(38,36,30,0.2), rgba(38,36,30,0.82)); }
.hero-inner { position: relative; z-index: 2; }
.float-banner { display: inline-block; margin-bottom: 18px; font-size: 12px; letter-spacing: 0.16em; color: var(--glow); }
.hero h1 { margin: 0 0 12px; font-size: 48px; font-weight: 600; }
.hero .sub { margin: 0 0 28px; font-size: 18px; color: rgba(246,241,228,0.72); }
.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; }

.steps-v { counter-reset: n; }
.step-row { display: grid; grid-template-columns: 72px 1fr 1.05fr; gap: 18px; align-items: center; padding: 18px 0; box-shadow: inset 0 1px 0 var(--line); }
.step-num::before { counter-increment: n; content: counter(n, decimal-leading-zero); font-size: 28px; color: var(--ti-d); font-family: Georgia, serif; }
.split { display: grid; grid-template-columns: 1fr 1.05fr; gap: 28px; align-items: center; }
.ftabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.ftabs button { border: 0; padding: 8px 14px; border-radius: 0; background: rgba(38,36,30,0.08); color: var(--muted); cursor: pointer; }
.ftabs button.is-on { background: #8a7a4e; color: #f6f1e4; }
.pane { display: none; }
.pane.is-on { display: block; }
.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(255,255,255,0.32); padding: 18px 14px; min-height: 118px; }
.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: none; border: 0; letter-spacing: 0.14em; cursor: pointer; }
.oa-banner { width: 100%; max-width: 460px; margin: 0 0 22px; background: #2a5a4a; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.card { padding: 24px; min-height: 160px; background: rgba(255,255,255,0.3); }
.card.private { border-radius: 16px; border: 1px solid rgba(6,15,26,0.07); background: rgba(255,255,255,0.42); }
.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; }

.bars { display: flex; align-items: flex-end; gap: 18px; height: 180px; }
.bar { flex: 1; background: linear-gradient(#f3e6b8, #8a7a4e); display: flex; align-items: flex-end; justify-content: center; color: #1c1a16; font-size: 12px; padding: 8px; }
.bar span { writing-mode: horizontal-tb; }

.carousel { overflow: hidden; }
.carousel-track { display: flex; gap: 12px; transition: transform 0.4s; }
.rev { flex: 0 0 calc(33.33% - 8px); padding: 20px; background: rgba(255,255,255,0.36); min-height: 140px; }
.rev p { margin: 0 0 10px; }
.rev b { font-size: 12px; color: var(--ti-d); }
.carousel-nav { margin-top: 12px; display: flex; gap: 8px; }
.carousel-nav button { border: 0; padding: 8px 14px; background: #26241e; color: var(--glow); cursor: pointer; }

.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(255,255,255,0.38); font-size: 13px; color: var(--muted); }
.quote-card strong { display: block; margin-top: 10px; color: var(--ti-d); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

.cmp { width: 100%; border-collapse: collapse; background: rgba(255,255,255,0.28); }
.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(38,36,30,0.08); }
.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 14px; }
.plat { text-align: center; padding: 14px 8px; background: rgba(38,36,30,0.08); }

.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.faq-card { padding: 20px; background: rgba(255,255,255,0.34); }
.faq-card h3 { margin: 0 0 8px; font-size: 16px; }
.faq-card p { margin: 0; color: var(--muted); font-size: 14px; }

.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 { background: rgba(217,212,200,0.94); }
body.sub .nav-main, body.sub .link { color: var(--ink); }

.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: 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-top: 14px; }

@media (max-width: 1180px) { .site-foot, .foot-inner { min-width: 0; width: 100%; } }
@media (max-width: 930px) {
  .hero h1 { font-size: 32px; }
  .split, .cards-3, .faq-grid, .step-row { grid-template-columns: 1fr; }
  .sell-item { width: 43%; margin-bottom: 22px; }
  .icon-grid, .platforms { grid-template-columns: 1fr 1fr; }
  .rev { flex: 0 0 86%; }
  .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: #ece7db; color: var(--ink); padding: 16px; gap: 10px;
  }
  .nav-main > li + li::before { display: none; }
  .sell-item { width: 100%; margin-left: 0; }
  .sell-row { margin-left: 0; }
}