:root {
  --olive: #6d7f3c;
  --olive-d: #49572a;
  --olive-l: #d9dcb8;
  --ink: #181c12;
  --muted: #6f7263;
  --paper: #eeebdf;
  --max: 1100px;
  --foot-min: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(109, 127, 60, 0.1), transparent 42%),
    linear-gradient(300deg, rgba(217, 220, 184, 0.5), 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; }

.hl {
  background-image: linear-gradient(transparent 60%, rgba(217, 220, 184, 0.9) 60%);
  padding: 0 4px;
}
.dash { border: 0; border-top: 2px dashed rgba(73, 87, 42, 0.35); margin: 22px 0; }

.wrap { width: var(--max); max-width: calc(100% - 40px); margin: 0 auto; position: relative; z-index: 1; }
.kicker { font-size: 12px; letter-spacing: 0.2em; color: var(--olive-d); }
.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: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--olive-d);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
}
.btn-ghost { background: #fff; color: 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: 540px;
  padding: 18px;
  background: rgba(255,255,255,0.97);
  z-index: 50;
  grid-template-columns: 1.2fr 1fr;
  gap: 12px;
  border-radius: 14px;
}
.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; font-size: 12px; }
.top-cta .btn { min-height: 34px; padding: 0 14px; }

.fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 80;
  width: 64px; height: 64px; border-radius: 50%;
  border: 2px solid var(--ink); background: var(--olive); color: #fff;
  font-size: 13px; font-weight: 800; cursor: pointer;
  box-shadow: 0 10px 24px rgba(24, 28, 18, 0.3);
}
.fab-menu {
  position: fixed; right: 22px; bottom: 96px; z-index: 80; display: none;
  width: 220px; background: #fff; border: 2px solid var(--ink); border-radius: 16px; padding: 12px;
}
.fab-menu.is-on { display: block; }
.fab-menu a { display: block; padding: 8px 6px; font-size: 14px; border-bottom: 2px dashed rgba(73,87,42,0.25); }
.fab-menu a:last-child { border-bottom: 0; }

.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px 0 64px;
  overflow: hidden;
  background: linear-gradient(115deg, #d9dcb8 0 55%, #c9cf9f 55% 100%);
}
.globe { position: absolute; left: 50%; top: 10%; width: 720px; height: 720px; margin-left: -360px; opacity: 0.15; 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 50% 40%, rgba(238,235,223,0.04), rgba(73,87,42,0.18)); }
.hero-inner { position: relative; z-index: 3; }
.hero-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.hero-duo .shot { width: 100%; height: 300px; object-fit: cover; transform: skewY(-3deg); border: 2px solid var(--ink); }
.float-banner { display: inline-block; margin-bottom: 14px; padding: 6px 14px; border-radius: 999px; background: #fff; color: var(--ink); font-size: 12px; border: 2px solid var(--ink); }
.hero h1 { margin: 0 0 8px; font-size: 48px; font-weight: 900; line-height: 1.2; }
.hero .sub { margin: 0 0 20px; font-size: 17px; color: var(--olive-d); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.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: #d9dcb8; border: 2px solid var(--ink); }
.sell-item h3 { margin: 0 0 6px; font-size: 16px; }
.sell-item p { margin: 0; text-align: left; color: var(--muted); font-size: 13px; }

.grid-2x3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.icon-card { padding: 18px; border: 2px solid var(--ink); background: #fff; }
.icon-card h3 { margin: 0 0 6px; font-size: 16px; }
.icon-card p { margin: 0; color: var(--muted); font-size: 13px; }
.icon-card img { width: 100%; height: 110px; object-fit: cover; margin-top: 10px; border: 1px solid var(--ink); }

.icon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.icon-cell { padding: 16px 14px; min-height: 112px; border: 2px solid var(--ink); background: #fff; }
.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: 2px solid var(--ink); cursor: pointer; padding: 8px 18px; }
.oa-banner { width: 100%; max-width: 460px; margin: 0 0 22px; background: #2a5a4a; border: 2px solid var(--ink); }

.timeline { position: relative; max-width: 720px; margin: 0 auto; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 4px; bottom: 4px; border-left: 2px dashed var(--olive-d); }
.tl-item { position: relative; padding: 0 0 22px 16px; }
.tl-item::before {
  content: ""; position: absolute; left: -25px; top: 8px; width: 12px; height: 12px;
  background: var(--olive-d); border-radius: 50%; box-shadow: 0 0 0 3px var(--olive-l);
}
.tl-item strong { display: block; color: var(--olive-d); }
.tl-item span { color: var(--muted); font-size: 14px; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.card { padding: 22px; min-height: 160px; border: 2px solid var(--ink); background: #fff; }
.card.private { border-radius: 16px; border: 1px solid rgba(24,28,18,0.15); }
.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; border: 1px solid var(--ink); }
.review-card blockquote { margin: 0 0 10px; font-size: 15px; }
.review-card footer { color: var(--muted); font-size: 12px; }

.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: 2px dashed rgba(73,87,42,0.5); }
.quote-card strong { display: block; margin-top: 10px; color: var(--ink); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

.dl-duo { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; align-items: center; }
.qr {
  width: 168px; height: 168px; margin: 0 auto;
  background: repeating-conic-gradient(#181c12 0% 25%, #fff 0% 50%) 0 0 / 28px 28px;
  border: 6px solid #fff; outline: 2px solid var(--ink);
}
.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 22px; }
.plat { text-align: center; padding: 14px 8px; border: 2px solid var(--ink); background: #fff; }

.faq-split { display: grid; grid-template-columns: 240px 1fr; gap: 24px; }
.faq-toc { position: sticky; top: 90px; align-self: start; }
.faq-toc a { display: block; padding: 8px 0 8px 10px; color: var(--muted); font-size: 14px; border-left: 3px solid transparent; }
.faq-toc a:hover { color: var(--ink); border-left-color: var(--olive-d); }
.faq-body article { padding: 16px 0; border-bottom: 2px dashed rgba(73,87,42,0.35); }
.faq-body h3 { margin: 0 0 6px; font-size: 16px; }
.faq-body 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 { position: relative; background: rgba(238,235,223,0.96); border-bottom: 2px dashed rgba(73,87,42,0.4); }
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-duo { display: grid; grid-template-columns: 1fr 1.6fr; gap: 24px; margin-bottom: 16px; }
.foot-logo { width: 160px; margin-bottom: 10px; }
.foot-brand p { font-size: 13px; max-width: 420px; }
.foot-nav { display: flex; justify-content: space-between; gap: 16px; }
.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; }

@media (max-width: 1180px) { .site-foot, .foot-inner { min-width: 0; width: 100%; } }
@media (max-width: 930px) {
  .hero h1 { font-size: 32px; }
  .hero-duo, .cards-3, .grid-2x3, .dl-duo, .faq-split, .foot-duo { grid-template-columns: 1fr; }
  .sell-item { width: 43%; margin-bottom: 22px; }
  .icon-grid, .platforms { grid-template-columns: 1fr 1fr; }
  .faq-toc { position: static; }
  .foot-nav { flex-wrap: wrap; }
}
@media (max-width: 770px) {
  .nav-main, .top-cta .link { display: none; }
  .sell-item { width: 100%; margin-left: 0; }
  .sell-row { margin-left: 0; }
}