:root {
  --rock: #5c6168;
  --rock-deep: #2c3034;
  --mist: #e6e8ea;
  --ink: #2a2d31;
  --ink-soft: #6b7076;
  --foot: #f7f8f8;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #dfe2e5;
  font-size: 14px;
  line-height: 1.8;
  min-width: 1180px;
}
body:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(44,48,52,.14) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: .4;
  z-index: 0;
}
img { max-width: 100%; border: 0; vertical-align: middle; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; }
.grad {
  background: linear-gradient(90deg, #8b929a, #2c3034);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.card {
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(44,48,52,.08);
  background: #f4f5f6;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  cursor: pointer;
  background: var(--rock-deep);
  color: #f4f5f6;
  box-shadow: 0 4px 12px rgba(44,48,52,.16);
}
.btn-ghost { background: #f4f5f6; color: var(--rock-deep); }
.wrap { width: 1100px; margin: 0 auto; }
.wide { width: 1180px; margin: 0 auto; }
.fine { font-size: 12px; letter-spacing: 0.14em; color: var(--ink-soft); }
h2.sec-title { font-size: 28px; font-weight: 600; margin-bottom: 8px; }
.sec-sub { color: var(--ink-soft); margin-bottom: 28px; }

.hero-wrap { position: relative; min-height: 760px; z-index: 1; }
#index_top {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 40;
  height: 64px;
}
#index_top .bar {
  width: 1100px;
  margin: 12px auto 0;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px 0 8px;
  border-radius: 8px;
  background: rgba(244,245,246,.86);
  box-shadow: 0 4px 12px rgba(44,48,52,.08);
}
.logo { display: flex; align-items: center; gap: 8px; }
.logo img { height: 28px; }
.mid-nav { display: flex; align-items: center; gap: 2px; }
.mid-nav > a, .mid-nav > .drop > span {
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
.drop { position: relative; }
.mega {
  display: none;
  position: absolute;
  top: 34px; left: 50%;
  transform: translateX(-50%);
  width: 600px;
  padding: 16px;
  border-radius: 8px;
  grid-template-columns: 1.2fr 1fr;
  gap: 12px;
  background: #f4f5f6;
  box-shadow: 0 8px 20px rgba(44,48,52,.12);
  z-index: 5;
}
.drop:hover .mega { display: grid; }
.mega b { display: block; margin-bottom: 6px; }
.mega a { display: block; padding: 4px 0; color: var(--ink-soft); font-size: 13px; }
.top-acts { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.ham {
  width: 40px; height: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(44,48,52,.08);
}
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(44,48,52,.96);
  color: #e6e8ea;
  padding: 80px 10vw;
}
.overlay.show { display: block; }
.overlay a { display: block; font-size: 22px; padding: 10px 0; }
.overlay .x { position: absolute; top: 24px; right: 28px; font-size: 28px; color: #fff; }

#index_head { position: relative; min-height: 760px; overflow: hidden; }
.split { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 760px; }
.color {
  position: relative;
  background: #3a3f44;
  display: flex;
  align-items: center;
}
.earth {
  position: absolute;
  width: 640px; height: 640px;
  right: -18%;
  top: 10%;
  border-radius: 50%;
  background: repeating-conic-gradient(from 18deg, rgba(230,232,234,.12) 0 12deg, rgba(20,22,24,.25) 12deg 24deg);
  animation: spin 90s linear infinite;
  opacity: .55;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-copy { position: relative; z-index: 2; width: 1100px; margin-left: auto; padding: 130px 40px 50px 0; color: #e6e8ea; }
.hero-note { display: inline-block; padding: 4px 12px; margin-bottom: 12px; background: rgba(230,232,234,.12); font-size: 12px; letter-spacing: .16em; }
#index_head .hero-title {
  font-size: 48px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: .12em;
  background: linear-gradient(90deg, #e6e8ea, #9aa3ad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: #c5c9ce; letter-spacing: .16em; margin: 10px 0 20px; }
.hero-ctas { display: flex; gap: 10px; flex-wrap: wrap; }
.seo-h1 { margin-top: 16px; font-size: 16px; font-weight: 600; color: #e6e8ea; }
.art img { width: 100%; height: 760px; object-fit: cover; filter: grayscale(.35) contrast(1.05); }

#sell { padding: 70px 0 24px; overflow: hidden; position: relative; z-index: 1; }
.sell-row { width: 1100px; margin: 0 auto; overflow: hidden; }
.sell-item { float: left; width: 18%; margin-right: 7%; text-align: center; }
.sell-item:last-child { margin-right: 0; }
.sell-item img { width: 200px; height: 176px; object-fit: cover; display: block; margin: 0 auto 12px; border-radius: 8px; }
.sell-item h3 { font-size: 16px; }
.sell-item p { font-size: 13px; color: var(--ink-soft); }
.clear { clear: both; }

.steps { width: 1100px; margin: 10px auto 40px; }
.step { display: grid; grid-template-columns: 72px 1fr 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid rgba(44,48,52,.1); }
.num { font-size: 36px; font-weight: 600; color: var(--rock); }
.step img { width: 100%; height: 180px; object-fit: cover; border-radius: 8px; }

#oa { padding: 70px 0; position: relative; z-index: 1; }
.oa-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.oa-card { padding: 18px; text-align: center; }
.oa-card img { width: 72px; height: 64px; object-fit: cover; margin-bottom: 8px; border-radius: 8px; }
.oa-more { display: none; margin-top: 14px; }
.oa-more.show { display: grid; }
.more-btn { margin: 22px auto 0; display: block; }

.ticker { overflow: hidden; padding: 16px 0 40px; position: relative; z-index: 1; }
.ticker-in { display: flex; gap: 28px; width: max-content; animation: slide 28s linear infinite; font-size: 28px; font-weight: 600; }
@keyframes slide { to { transform: translateX(-50%); } }

#trio { padding: 20px 0 50px; position: relative; z-index: 1; }
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.trio article { padding: 18px; }
.trio article.private { border-radius: 16px; outline: 1px solid rgba(44,48,52,.16); }
.trio img { width: 100%; height: 148px; object-fit: cover; border-radius: 8px; margin-bottom: 10px; }

.logos { padding: 10px 0 30px; position: relative; z-index: 1; }
.logo-wall { display: flex; justify-content: space-between; gap: 10px; filter: grayscale(1); opacity: .7; }
.logo-wall span { flex: 1; text-align: center; padding: 16px 8px; background: #eef0f2; border-radius: 8px; font-size: 13px; }

#quotes { padding: 8px 0 36px; overflow: hidden; position: relative; z-index: 1; }
.marquee { display: flex; gap: 12px; width: max-content; animation: slide 90s linear infinite; }
.marquee.reverse { animation-direction: reverse; margin-top: 12px; }
.quote-card { width: 280px; padding: 16px; flex: 0 0 auto; }
.quote-card p { font-size: 13px; min-height: 70px; }
.quote-card .who { margin-top: 8px; font-size: 12px; color: var(--ink-soft); }

#dlzone { padding: 60px 0; position: relative; z-index: 1; }
.plans { display: grid; grid-template-columns: 1fr 1.1fr 1fr; gap: 14px; align-items: stretch; }
.plan { padding: 22px; }
.plan.mid { transform: translateY(-10px); outline: 1px solid var(--rock); }
.ends { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 18px; }
.ends a { display: block; text-align: center; padding: 10px 6px; font-size: 13px; }
.ends img { width: 100%; height: 66px; object-fit: cover; margin-bottom: 6px; border-radius: 8px; }

#faq { padding: 50px 0 70px; position: relative; z-index: 1; }
.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tabs button { padding: 8px 14px; border-radius: 8px; background: #eef0f2; cursor: pointer; box-shadow: 0 4px 12px rgba(44,48,52,.06); }
.tabs button.on { background: var(--rock-deep); color: #fff; }
.acc { display: none; }
.acc.on { display: block; }
.acc details { padding: 12px 0; border-bottom: 1px solid rgba(44,48,52,.1); }
.acc summary { cursor: pointer; font-size: 15px; }

.article { padding: 8px 0 40px; position: relative; z-index: 1; }
.article p { margin-bottom: 14px; color: var(--ink-soft); text-align: justify; }
.shots { padding: 0 0 50px; position: relative; z-index: 1; }
.shot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.shot-grid img { width: 100%; height: 132px; object-fit: cover; border-radius: 8px; }

#footer { background: var(--foot); min-width: 1180px; padding: 36px 0 20px; position: relative; z-index: 1; text-align: center; }
.foot-cols {
  width: 1180px;
  margin: 0 auto 16px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  text-align: left;
}
.foot-cols h4 { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.foot-cols a { display: block; font-size: 12px; color: #7a726b; padding: 3px 0; }
.mini { font-size: 12px; color: #9a928b; letter-spacing: .12em; }
.page-hero .hero-copy { padding-top: 120px; }
.page-hero h1.seo-h1 { font-size: 22px; }
.page-hero, .page-hero .split, .page-hero .art img { min-height: 640px; }
.page-hero .art img { height: 640px; }

#index_head h1{font-size:48px;line-height:1.2;font-weight:600}
.seo-line{margin-top:16px;font-size:16px;font-weight:600}
.card#private{border-radius:16px;box-shadow:0 0 0 1px rgba(0,0,0,.16)}
article.private,#private{border-radius:16px;box-shadow:0 0 0 1px rgba(0,0,0,.16)}