:root {
  --rice: #f6f1e8;
  --paper: #faf7f2;
  --ink: #2c261d;
  --muted: #7a7166;
  --line: rgba(44, 38, 29, 0.1);
  --gold: #c4a574;
  --sage: #8aa89a;
  --glass: rgba(255, 255, 255, 0.42);
  --glass-b: rgba(255, 255, 255, 0.7);
  --max: 1100px;
  --foot-min: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding-bottom: 92px;
  color: var(--ink);
  background: var(--rice);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.75;
}
h1, h2, h3, .serif { font-family: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif; font-weight: 600; }
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; }

.mist {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 12% 18%, rgba(196, 165, 116, 0.22), transparent 42%),
    radial-gradient(ellipse at 88% 8%, rgba(138, 168, 154, 0.2), transparent 40%),
    radial-gradient(ellipse at 70% 88%, rgba(255, 255, 255, 0.55), transparent 48%);
}

.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: 28px; }
.lead { max-width: 640px; color: var(--muted); }

.glass {
  background: var(--glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-b);
  box-shadow: 0 12px 40px rgba(44, 38, 29, 0.06);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid rgba(44, 38, 29, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
  cursor: pointer;
  letter-spacing: 0.04em;
}
.btn-fill {
  background: var(--ink);
  color: var(--paper);
  border-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: 12px auto 0;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 8px 16px;
  border-radius: 999px;
}
.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: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  z-index: 50;
  grid-template-columns: 1.2fr 1fr;
  gap: 12px;
  border-radius: 22px;
  border: 1px solid var(--glass-b);
  box-shadow: 0 16px 40px rgba(44, 38, 29, 0.1);
}
.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; }

.tabbar {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 70;
  display: flex;
  gap: 4px;
  width: min(540px, calc(100% - 28px));
  padding: 7px;
  border-radius: 999px;
}
.tabbar a {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  border-radius: 999px;
  font-size: 12px;
}
.tabbar a.is-on { background: var(--ink); color: var(--paper); }

.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px 0 88px;
  overflow: hidden;
  background: #ebe4d6;
}
.globe { position: absolute; left: -90px; bottom: -140px; width: 560px; height: 560px; opacity: 0.22; 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 32% 40%, rgba(246, 241, 232, 0.12), rgba(44, 38, 29, 0.18));
}
.hero-inner { position: relative; z-index: 3; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 36px; align-items: center; }
.float-banner { display: inline-block; margin-bottom: 14px; font-size: 12px; letter-spacing: 0.16em; padding: 6px 14px; border-radius: 999px; }
.hero h1 { margin: 0 0 10px; font-size: 48px; }
.hero .sub { margin: 0 0 24px; font-size: 18px; color: rgba(44, 38, 29, 0.72); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.chat {
  border-radius: 28px;
  padding: 18px 16px 14px;
}
.chat-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 13px; }
.chat-head img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; background: #ddd; }
.msg { max-width: 82%; padding: 10px 14px; border-radius: 18px; margin: 8px 0; font-size: 13px; }
.msg.in { background: rgba(255, 255, 255, 0.86); }
.msg.out { margin-left: auto; background: var(--ink); color: var(--paper); border-radius: 18px 18px 6px 18px; }
.typing { font-size: 12px; color: var(--muted); padding: 4px 8px; }

.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: #ddd4c6; border-radius: 22px; }
.sell-item h3 { margin: 0 0 6px; font-size: 16px; }
.sell-item p { margin: 0; text-align: left; color: var(--muted); font-size: 13px; }

.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.trio article { padding: 20px; border-radius: 22px; min-height: 170px; }
.trio img { width: 100%; height: 96px; object-fit: cover; border-radius: 14px; margin-bottom: 12px; background: #ddd4c6; }
.trio h3 { margin: 0 0 6px; font-size: 18px; }
.trio p { margin: 0; color: var(--muted); font-size: 13px; }
.shot { width: 100%; max-width: 720px; margin: 18px auto 0; display: block; object-fit: contain; background: #ddd4c6; border-radius: 22px; }

.icon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.icon-cell { padding: 18px 14px; min-height: 118px; border-radius: 22px; }
.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; cursor: pointer; color: var(--muted); }
.oa-banner { width: 100%; max-width: 460px; margin: 0 0 22px; background: #2a5a4a; border-radius: 22px; }

.charts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.chart-card { padding: 20px; border-radius: 22px; }
.chart-card h3 { margin: 0 0 4px; font-size: 18px; }
.chart-card p { margin: 0 0 10px; color: var(--muted); font-size: 13px; }
.spark { width: 100%; height: 64px; display: block; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.card { padding: 22px; min-height: 160px; border-radius: 22px; }
.card.private { border-radius: 16px; border: 1px solid rgba(44, 38, 29, 0.08); }
.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-radius: 14px; }

.vgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 22px; }
.vthumb { position: relative; border-radius: 18px; overflow: hidden; min-height: 168px; }
.vthumb img { width: 100%; height: 168px; object-fit: cover; display: block; background: #ddd4c6; }
.play {
  position: absolute;
  left: 50%;
  top: 46%;
  width: 44px;
  height: 44px;
  margin: -22px 0 0 -22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 8px 20px rgba(44, 38, 29, 0.12);
}
.play::after {
  content: "";
  position: absolute;
  left: 18px;
  top: 14px;
  border-style: solid;
  border-width: 8px 0 8px 12px;
  border-color: transparent transparent transparent var(--ink);
}
.vthumb span {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  font-size: 12px;
  color: #fff;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.45);
}

.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, 0.55); font-size: 13px; color: var(--muted); border-radius: 18px; }
.quote-card strong { display: block; margin-top: 10px; color: var(--ink); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.split-2 article { padding: 28px; border-radius: 24px; min-height: 220px; }
.split-2 h3 { margin: 0 0 8px; font-size: 22px; }
.split-2 p { margin: 0 0 16px; color: var(--muted); }
.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 18px; }
.plat { text-align: center; padding: 14px 8px; border-radius: 999px; }

.acc .item { border-bottom: 1px solid var(--line); }
.acc button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 16px 4px;
  border: 0;
  background: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--ink);
}
.acc .panel { display: none; padding: 0 4px 16px; color: var(--muted); font-size: 14px; }
.acc .item.is-on .panel { display: block; }

.article { max-width: 740px; }
.article p { margin: 0 0 16px; color: var(--muted); }
.article h2 { margin: 26px 0 10px; font-size: 22px; }
.crumbs { padding: 96px 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; }
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-logo { width: 160px; margin-bottom: 12px; }
.foot-nav { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.foot-nav h4 { margin: 0 0 8px; color: var(--ink); font-size: 13px; font-family: "Songti SC", "STSong", "SimSun", serif; }
.foot-nav a { display: block; padding: 3px 0; font-size: 13px; }
.legal, .seo-block { font-size: 12px; color: #828282; max-width: 900px; }
.seo-block { margin-top: 14px; line-height: 1.8; }

@media (max-width: 1180px) { .site-foot, .foot-inner { min-width: 0; width: 100%; } }
@media (max-width: 930px) {
  .hero h1 { font-size: 32px; }
  .hero-inner, .trio, .cards-3, .charts, .vgrid, .split-2 { grid-template-columns: 1fr; }
  .sell-item { width: 43%; margin-bottom: 22px; }
  .icon-grid, .platforms { grid-template-columns: 1fr 1fr; }
  .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; }
  .top-inner { border-radius: 18px; }
}
