:root {
  --khaki: #c4b48a;
  --sand: #e8dfcc;
  --wash: #f3eee3;
  --ink: #2a2418;
  --muted: #6b6254;
  --sage: #7a9a7a;
  --blush: #d9a8a0;
  --sky: #8bb8c4;
  --line: #2a2418;
  --max: 1100px;
  --foot-min: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--wash);
  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; }

.wash {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 12% 18%, rgba(139,184,196,0.28), transparent 42%),
    radial-gradient(ellipse at 88% 8%, rgba(217,168,160,0.26), transparent 40%),
    radial-gradient(ellipse at 70% 78%, rgba(122,154,122,0.22), transparent 46%),
    radial-gradient(ellipse at 20% 88%, rgba(196,180,138,0.35), transparent 38%);
}
.paper {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  opacity: 0.16;
  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='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.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(--muted); }
.h2 { margin: 8px 0 18px; font-size: 30px; font-weight: 800; }
.lead { max-width: 640px; color: var(--muted); }
.giant {
  font-size: 120px;
  font-weight: 800;
  line-height: 0.8;
  color: rgba(42,36,24,0.08);
  letter-spacing: -0.06em;
  pointer-events: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--khaki);
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.06em;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--ink);
}
.btn-ghost { background: var(--sand); }
.btn-ink { background: var(--ink); color: var(--sand); }
.btn-xl {
  min-height: 64px;
  padding: 0 42px;
  font-size: 20px;
  border-width: 4px;
  box-shadow: 6px 6px 0 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;
  font-weight: 700;
  color: var(--ink);
}
.nav-main > li { position: relative; }
.mega {
  display: none;
  position: absolute;
  top: 130%;
  left: 50%;
  transform: translateX(-50%);
  width: 520px;
  padding: 18px;
  background: var(--sand);
  z-index: 50;
  grid-template-columns: 1.2fr 1fr;
  gap: 12px;
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}
.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); font-weight: 500; }
.top-cta { display: flex; gap: 10px; align-items: center; }
.top-cta .link { font-size: 12px; font-weight: 700; }
.menu-toggle {
  margin-left: 4px;
  min-width: 44px;
  min-height: 40px;
  border: 3px solid var(--ink);
  background: var(--sand);
  font-weight: 800;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
}

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(243, 238, 227, 0.97);
  padding: 80px 40px 40px;
  overflow: auto;
}
.overlay.is-on { display: block; }
.overlay-inner { max-width: 720px; margin: 0 auto; }
.overlay h3 { margin: 18px 0 8px; font-size: 14px; }
.overlay a { display: inline-block; margin: 0 14px 10px 0; font-weight: 800; border-bottom: 3px solid var(--ink); }
.overlay-close {
  position: absolute;
  top: 22px;
  right: 28px;
  border: 3px solid var(--ink);
  background: var(--khaki);
  padding: 8px 14px;
  font-weight: 800;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: #d7cbb3;
}
.globe { position: absolute; left: 50%; top: 42%; width: 820px; height: 820px; margin: -410px 0 0 -410px; opacity: 0.22; z-index: 1; }
.spin { transform-origin: 200px 200px; animation: spin 50s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-shot {
  position: absolute;
  inset: 64px 8% 92px;
  z-index: 2;
  width: auto;
  height: auto;
  max-width: none;
  object-fit: contain;
  object-position: center top;
  border: 4px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  background: #cfc8ba;
}
.hero-mask {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: linear-gradient(180deg, rgba(232,223,204,0.35) 0%, transparent 28%, rgba(42,36,24,0.12) 70%, rgba(42,36,24,0.55) 100%);
}
.hero-bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 4;
  padding: 22px 0 28px;
  background: rgba(243, 238, 227, 0.92);
  border-top: 4px solid var(--ink);
  text-align: center;
}
.float-banner {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 800;
  border: 3px solid var(--ink);
  padding: 4px 12px;
  background: var(--sky);
}
.hero h1 { margin: 0 0 6px; font-size: 48px; font-weight: 800; }
.hero .sub { margin: 0 0 14px; font-size: 16px; color: var(--muted); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

.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: #cfc8ba;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}
.sell-item h3 { margin: 0 0 6px; font-size: 16px; font-weight: 800; }
.sell-item p { margin: 0; text-align: left; color: var(--muted); font-size: 13px; }

.compact { border-top: 3px solid var(--ink); }
.row-item {
  display: grid;
  grid-template-columns: 88px 1fr 1.05fr;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 3px solid var(--ink);
}
.ico {
  width: 72px; height: 72px;
  object-fit: cover;
  border: 3px solid var(--ink);
  border-radius: 10px;
  background: #cfc8ba;
}
.shot { width: 100%; min-height: 180px; object-fit: contain; background: #cfc8ba; border: 3px solid var(--ink); }

.icon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.icon-cell {
  background: rgba(255,255,255,0.45);
  padding: 18px 14px;
  min-height: 118px;
  border: 3px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}
.icon-cell strong { display: block; margin-bottom: 6px; font-weight: 800; }
.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: var(--sand);
  border: 3px solid var(--ink);
  padding: 8px 16px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
}
.oa-banner { width: 100%; max-width: 460px; margin: 0 0 22px; border: 3px solid var(--ink); background: #2a5a4a; }

.org-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; align-items: start; }
.org { border: 3px solid var(--ink); padding: 18px; background: rgba(255,255,255,0.4); }
.org li { margin: 8px 0 8px 16px; font-weight: 700; position: relative; }
.org > li { margin-left: 0; font-size: 18px; }
.dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-left: 8px;
  border: 2px solid var(--ink);
  background: #bbb;
}
.dot.on { background: #3cb371; box-shadow: 0 0 8px #3cb371; }
.big-num { font-size: 96px; font-weight: 800; line-height: 0.9; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.card {
  padding: 22px;
  min-height: 160px;
  background: rgba(255,255,255,0.42);
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}
.card.private {
  border-radius: 16px;
  border: 1px solid rgba(6, 15, 26, 0.07);
  box-shadow: none;
  background: rgba(255,255,255,0.55);
}
.card h3 { margin: 0 0 8px; font-size: 18px; font-weight: 800; }
.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: 3px solid var(--ink); }

.badges { display: flex; flex-wrap: wrap; gap: 10px; }
.badge {
  min-width: 140px;
  padding: 14px 16px;
  text-align: center;
  font-weight: 800;
  border: 3px solid var(--ink);
  background: var(--sand);
  box-shadow: 3px 3px 0 var(--ink);
}

.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(255,255,255,0.5);
  font-size: 13px;
  color: var(--muted);
  border: 3px solid var(--ink);
}
.quote-card strong { display: block; margin-top: 10px; color: var(--ink); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

.download-hero { text-align: center; padding: 20px 0 10px; }
.download-hero .lead { margin: 0 auto 22px; }
.dl-sub { margin: 16px 0 0; }
.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 18px; }
.plat {
  text-align: center;
  padding: 14px 8px;
  border: 3px solid var(--ink);
  background: var(--sand);
  font-weight: 800;
  box-shadow: 3px 3px 0 var(--ink);
}

.faq-line { border-top: 3px solid var(--ink); }
.faq-item { padding: 16px 0; border-bottom: 3px solid var(--ink); }
.faq-item h3 { margin: 0 0 6px; font-size: 16px; font-weight: 800; }
.faq-item 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; font-weight: 800; }
.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; font-weight: 800; }
body.sub .index-top { background: rgba(232, 223, 204, 0.94); border-bottom: 3px solid 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: 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; }
.soc {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 14px;
}
.soc span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  height: 36px;
  border: 3px solid var(--ink);
  background: #fff;
  font-size: 12px;
  font-weight: 800;
  color: var(--ink);
}
.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; }
  .giant, .big-num { font-size: 64px; }
  .row-item, .cards-3, .org-wrap { grid-template-columns: 1fr; }
  .sell-item { width: 43%; margin-bottom: 22px; }
  .icon-grid, .platforms { grid-template-columns: 1fr 1fr; }
  .hero-shot { inset: 72px 4% 140px; }
  .foot-nav { flex-wrap: wrap; }
}
@media (max-width: 770px) {
  .nav-main, .top-cta .link { display: none; }
  .index-top.is-open .nav-main {
    display: none;
  }
  .sell-item { width: 100%; margin-left: 0; }
  .sell-row { margin-left: 0; }
}