:root{
  --brand:#b3a142;
  --brand-deep:#8b7a2f;
  --brand-soft:#efe8bd;
  --paper:#fff;
  --page:#f7f4e8;
  --ink:#141414;
  --text:#3d3d3d;
  --muted:#777;
  --line:rgba(20,20,20,.12);
  --red:#ff4b4b;
  --blue:#0175c2;
  --shadow:0 20px 48px rgba(54,45,13,.16);
  --radius:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:var(--page);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,p{margin-top:0}
h1{max-width:760px;margin-bottom:20px;color:var(--ink);font-size:58px;line-height:1.08;letter-spacing:0}
h2{margin-bottom:14px;color:var(--ink);font-size:38px;line-height:1.2;letter-spacing:0}
h3{margin-bottom:8px;color:var(--ink);font-size:20px;line-height:1.35;letter-spacing:0}
p{margin-bottom:0}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:72px;
  padding:0 max(20px,calc((100vw - 1160px)/2));
  border-bottom:1px solid rgba(0,0,0,.08);
  background:rgba(179,161,66,.94);
  backdrop-filter:blur(16px);
}
.site-header.is-scrolled{box-shadow:0 10px 24px rgba(58,49,15,.12)}
.brand{display:inline-flex;align-items:center;gap:10px;color:#050505;font-size:20px;font-weight:900;white-space:nowrap}
.brand-logo{width:42px;height:42px;border-radius:10px;object-fit:cover;box-shadow:0 10px 20px rgba(0,0,0,.14)}
.site-nav{display:flex;align-items:center;gap:4px;color:#050505;font-size:15px;font-weight:900}
.site-nav a{padding:10px 12px;border-radius:8px}
.site-nav a:hover,.site-nav a.is-active{background:rgba(255,255,255,.24)}
.nav-download{background:#111!important;color:#fff!important}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid rgba(0,0,0,.2);border-radius:8px;color:#111;background:rgba(255,255,255,.18)}
.nav-toggle span{display:block;width:18px;height:2px;margin:5px auto;border-radius:2px;background:currentColor}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:12px 20px;
  border-radius:8px;
  font-weight:900;
  line-height:1.2;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#fff;background:#111;box-shadow:0 16px 28px rgba(0,0,0,.18)}
.btn-rose{color:#fff;background:var(--red)}
.btn-soft{color:#111;background:#fff;box-shadow:inset 0 0 0 1px var(--line)}
.hero{
  position:relative;
  overflow:hidden;
  padding:58px 0 96px;
  background:
    radial-gradient(circle at 85% 12%, rgba(255,255,255,.28), transparent 18rem),
    var(--brand);
}
.hero::after{display:none}
.hero-shell{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.9fr) minmax(380px,1.1fr);gap:46px;align-items:center;min-height:620px}
.hero-copy{position:relative;z-index:2}
.pill-label,.eyebrow{
  display:inline-flex;
  align-items:center;
  min-height:32px;
  margin:0 0 16px;
  padding:6px 12px;
  border:1px solid rgba(0,0,0,.16);
  border-radius:8px;
  color:#111;
  background:rgba(255,255,255,.34);
  font-size:13px;
  font-weight:900;
}
.eyebrow{background:var(--brand-soft)}
.hero-lede{max-width:650px;margin-bottom:28px;color:#222;font-size:18px;font-weight:700}
.hero-actions,.section-actions,.page-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.hero-actions{position:relative;z-index:2;margin-bottom:34px}
.hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px;max-width:680px}
.hero-meta span{display:block;padding:14px;border:1px solid rgba(0,0,0,.13);border-radius:8px;background:rgba(255,255,255,.55);color:#111;font-weight:900}
.hero-meta b{display:block}
.hero-meta small{display:block;margin-top:3px;color:#555;font-weight:800}
.app-preview{
  position:relative;
  max-width:430px;
  margin-left:auto;
  border:2px solid #151515;
  border-radius:8px;
  overflow:hidden;
  background:#f8f8f8;
  box-shadow:var(--shadow);
}
.app-top{padding:22px 24px 8px;background:var(--brand)}
.app-tabs{display:flex;align-items:center;gap:22px;color:#111;font-size:20px;font-weight:900}
.app-tabs span:first-child{border-bottom:3px solid #111}
.app-icons{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
  padding:22px 16px 24px;
  background:linear-gradient(170deg,var(--brand) 0 48%,#f2f1ed 49% 100%);
}
.app-icons div{display:grid;gap:6px;place-items:center;color:#222;font-size:14px;font-weight:900}
.app-icons img{width:54px;height:58px;object-fit:contain}
.app-feature-strip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin:22px 16px 18px;
  padding:16px;
  border:2px solid #111;
  border-radius:8px;
  background:#fff;
}
.app-feature-strip strong{display:block;color:#111;font-size:18px}
.app-feature-strip p{margin-top:4px;color:#444;font-size:14px;line-height:1.5}
.app-feature-strip span{flex:0 0 auto;color:#111;font-size:13px;font-weight:900}
.preview-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 16px 78px}
.preview-cover{min-height:96px;border-radius:8px;background:linear-gradient(135deg,#d7eef7,#d7c29e);position:relative;overflow:hidden}
.preview-cover:nth-child(2){background:linear-gradient(135deg,#342b45,#9f7d48)}
.preview-cover:nth-child(3){background:linear-gradient(135deg,#6d4b2d,#1f2937)}
.preview-cover span{position:absolute;left:0;right:0;bottom:0;padding:4px 6px;background:rgba(179,161,66,.86);color:#111;font-size:12px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.app-bottom{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  align-items:end;
  gap:4px;
  min-height:64px;
  padding:8px 8px 6px;
  background:#eceae3;
  border-top:1px solid rgba(0,0,0,.08);
}
.app-bottom span{color:#111;text-align:center;font-size:12px;font-weight:900}
.app-bottom img{width:68px;height:52px;margin:-18px auto 0;object-fit:contain}
.back-to-top{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:60;
  display:flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border:2px solid #111;
  border-radius:8px;
  color:#111;
  background:var(--brand);
  box-shadow:0 14px 32px rgba(54,45,13,.22);
  font-size:22px;
  font-weight:900;
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .16s ease,transform .16s ease;
}
.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.section-band{padding:72px 0}
.section-band.alt{background:#fff}
.section-heading{max-width:780px;margin-bottom:28px}
.row-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;max-width:none}
.more-link{color:#111;font-weight:900;border-bottom:2px solid var(--brand)}
.quick-grid,.category-grid,.feature-grid,.faq-grid,.news-grid{display:grid;gap:16px}
.quick-grid{grid-template-columns:repeat(4,1fr);margin-top:8px}
.quick-card,.category-card,.feature-card,.faq-card,.news-card,.content-card{
  min-width:0;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  box-shadow:0 12px 28px rgba(78,68,24,.08);
}
.quick-card{padding:18px}
.quick-card span{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;margin-bottom:18px;border-radius:8px;color:#111;background:var(--brand);font-weight:900}
.quick-card strong,.category-card strong{display:block;color:var(--ink);font-size:19px}
.quick-card small{display:block;margin-top:6px;color:var(--muted)}
.category-grid{grid-template-columns:repeat(3,1fr)}
.category-card{padding:22px}
.category-card span{display:inline-flex;margin-bottom:16px;padding:6px 10px;border-radius:8px;color:#111;background:var(--brand-soft);font-size:13px;font-weight:900}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start}
.rank-panel{position:sticky;top:92px;padding:22px;border:1px solid rgba(179,161,66,.35);border-radius:8px;background:#fff;box-shadow:var(--shadow)}
.rank-list{display:grid;gap:10px;margin:16px 0 0;padding:0;list-style:none}
.rank-list li{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px;border-radius:8px;background:#f7f4e8}
.rank-list b{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;color:#111;background:var(--brand)}
.rank-list strong{overflow:hidden;color:var(--ink);white-space:nowrap;text-overflow:ellipsis}
.rank-list span{color:var(--muted);font-size:13px}
.news-grid{grid-template-columns:1.1fr .9fr}
.news-card{padding:22px}
.news-card time{display:block;margin-bottom:10px;color:var(--brand-deep);font-size:13px;font-weight:900}
.news-card.featured{background:linear-gradient(135deg,#fff,#f3edc4)}
.feature-grid{grid-template-columns:repeat(3,1fr)}
.feature-card{padding:22px}
.feature-card span{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;margin-bottom:16px;border-radius:8px;color:#111;background:var(--brand);font-weight:900}
.download-band{padding:42px 0}
.download-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:24px;
  align-items:center;
  padding:30px;
  border:1px solid rgba(0,0,0,.1);
  border-radius:8px;
  background:linear-gradient(135deg,#fff,#f1e9bd);
  box-shadow:var(--shadow);
}
.download-badge{display:flex;align-items:center;gap:14px;padding:18px;border-radius:8px;background:#fff}
.download-badge img{width:58px;height:58px;border-radius:10px}
.faq-grid{grid-template-columns:repeat(3,1fr)}
.faq-card{padding:22px}
.subpage-main{padding-bottom:78px}
.subpage-hero{padding:68px 0 28px;background:linear-gradient(180deg,var(--brand),var(--page))}
.subpage-hero p{max-width:820px;font-size:18px}
.page-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.full-card{grid-column:1/-1}
.content-card{padding:24px}
.legal-date{color:#444;font-size:14px}
.tab-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.tab-list button{min-height:42px;border:1px solid var(--line);border-radius:8px;color:#111;background:#fff;font-weight:900;cursor:pointer}
.tab-list button.is-active{background:var(--brand)}
.site-footer{border-top:1px solid var(--line);background:#fff}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:22px;padding:34px 0}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:19px;font-weight:900}
.footer-brand img{width:42px;height:42px;border-radius:10px}
.footer-links{display:grid;gap:8px;align-content:start}
.footer-links strong{color:var(--ink)}
.footer-links a{color:#555;font-weight:800}
.copyright{padding:16px 0 24px;border-top:1px solid var(--line);color:#666;font-size:14px}
@media (max-width:980px){
  h1{font-size:42px}
  h2{font-size:32px}
  .site-header{min-height:66px}
  .nav-toggle{display:block}
  .site-nav{
    position:absolute;
    top:72px;
    left:20px;
    right:20px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    padding:10px;
    border:1px solid rgba(0,0,0,.15);
    border-radius:8px;
    background:#f8f4dd;
    box-shadow:var(--shadow);
  }
  .site-nav.is-open{display:flex}
  .hero-shell,.content-layout,.download-shell{grid-template-columns:1fr;min-height:0}
  .app-preview{order:-1;margin:0 auto}
  .rank-panel{position:static}
  .quick-grid,.category-grid,.feature-grid,.faq-grid,.news-grid,.page-grid,.footer-grid{grid-template-columns:1fr 1fr}
  .full-card{grid-column:span 2}
}
@media (max-width:620px){
  .container{width:min(100% - 24px,1160px)}
  h1{font-size:34px}
  h2{font-size:27px}
  h3{font-size:18px}
  .hero{padding-top:28px;padding-bottom:44px;background:var(--brand)}
  .hero-shell{gap:24px}
  .hero-lede,.subpage-hero p{font-size:16px}
  .hero-meta,.quick-grid,.category-grid,.feature-grid,.faq-grid,.news-grid,.page-grid,.footer-grid{grid-template-columns:1fr}
  .full-card{grid-column:auto}
  .hero-actions,.section-actions,.page-actions{flex-direction:column}
  .hero-actions{margin-bottom:24px}
  .btn{width:100%}
  .row-heading{display:block}
  .download-shell{padding:20px}
  .app-preview{max-width:100%}
  .back-to-top{right:14px;bottom:14px}
}