*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#E4E8EA;color:#2E3C42;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{display:block;max-width:100%;object-fit:contain;object-position:center}
.shell{width:min(960px,calc(100% - 32px));margin:0 auto}
.topline{position:fixed;top:0;left:0;right:0;height:20px;z-index:60;background:#1E2A2E;color:#F2F5F6;font-size:12px}
.topline-inner{height:20px;display:flex;justify-content:space-between;align-items:center}
.plain-btn,.close-btn,.menu-btn{border:0;background:transparent;color:inherit;cursor:pointer}
.plain-btn{min-height:20px;padding:0 4px}
.masthead{position:fixed;top:20px;left:0;right:0;height:54px;z-index:59;background:#F2F5F6;border-bottom:1px solid #B88860}
.masthead-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{min-height:44px;display:flex;align-items:center;color:#1E2A2E;font-size:16px}
.brand img,.footer-brand img,.menu-brand img{height:24px;width:auto}
.mast-actions{display:flex;gap:8px;align-items:center}
.app-link,.menu-btn{min-height:44px;padding:0 14px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center}
.app-link{background:linear-gradient(135deg,#5A7A80 0%,#B88860 100%);color:#F2F5F6}
.menu-btn{border:1px solid #5A7A80;color:#1E2A2E;background:#F2F5F6}
.quick-nav{position:fixed;top:74px;left:0;right:0;height:46px;z-index:58;background:#F2F5F6;border-bottom:1px solid rgba(30,42,46,.12)}
.quick-nav-inner{height:46px;display:flex;justify-content:center;align-items:center;gap:34px}
.quick-item{display:flex;align-items:center;gap:8px;color:#5A6A70;font-size:13px}
.quick-mark{width:30px;height:3px;background:#5A7A80;border-radius:3px;display:block}
.quick-item.is-current{font-weight:800;color:#1E2A2E}
.quick-item.is-current .quick-mark{background:#B88860;height:5px}
.site-main{padding-top:144px;padding-bottom:40px}
.page{padding:28px 0 54px}
.eyebrow{font-size:13px;color:#5A7A80;font-weight:800;letter-spacing:.06em}
h1,h2,h3{color:#1E2A2E;margin-top:0}
h1{font-size:24px;line-height:1.3;margin-bottom:12px}
h2{font-size:20px;line-height:1.4;margin-bottom:12px}
h3{font-size:16px;line-height:1.45;margin-bottom:8px}
p{margin:0 0 14px}
.lead{font-size:16px;color:#5A6A70;max-width:780px}
.section{margin-top:28px}
.card,.soft,.panel,.faq-item,.status-item,.note-item{background:#F2F5F6;border:1px solid rgba(30,42,46,.12);border-radius:6px;box-shadow:0 12px 28px rgba(30,42,46,.08)}
.card,.soft,.panel{padding:20px}
.soft{background:#D6DDE0}
.dark{background:#1E2A2E;color:#F2F5F6;border-radius:6px;padding:22px}
.dark h2,.dark h3{color:#F2F5F6}
.image-slot{background:#F2F5F6;border:1px solid rgba(90,122,128,.48);border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.image-slot img{width:100%;height:100%;object-fit:contain}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn{height:44px;padding:0 18px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.btn-primary{background:linear-gradient(135deg,#5A7A80 0%,#B88860 100%);color:#F2F5F6}
.btn-secondary{background:#F2F5F6;border:1px solid #5A7A80;color:#1E2A2E}
.btn:hover,.btn:focus-visible,.app-link:hover,.app-link:focus-visible,.menu-btn:hover,.menu-btn:focus-visible{filter:brightness(.96);outline:3px solid rgba(184,136,96,.28);outline-offset:2px}
.hero-index{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.hero-index span{padding:7px 10px;border-left:3px solid #B88860;background:#D6DDE0;border-radius:0 4px 4px 0;font-size:13px}
.focus-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;align-items:start}
.focus-grid .feature{padding:0;overflow:hidden}
.focus-grid .feature .image-slot{height:190px;border:0;border-bottom:1px solid rgba(30,42,46,.12);border-radius:0}
.focus-grid .feature .copy{padding:20px}
.focus-stack{display:grid;gap:14px}
.news-stream{display:grid;gap:12px}
.news-row{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center}
.news-row .image-slot{height:110px}
.fold-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fold-pair .card:first-child{transform:translateY(8px)}
.shelf-head{display:grid;grid-template-columns:1fr 220px;gap:18px;align-items:center}
.shelf-head .image-slot{height:130px}
.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.period-grid .image-slot{height:110px}
.status-list{display:grid;gap:10px}
.status-item{display:grid;grid-template-columns:130px 1fr auto;gap:14px;align-items:center;padding:16px}
.status-badge{font-size:12px;font-weight:800;padding:5px 10px;border-radius:999px;background:#D6DDE0;color:#1E2A2E}
.app-card{display:grid;gap:16px}
.app-card .image-slot{height:300px}
.icon-row{display:flex;align-items:center;gap:12px}
.icon-row .image-slot{width:48px;height:48px;flex:0 0 48px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.center{max-width:760px;margin:0 auto}
.rule-list{display:grid;gap:12px}
.rule-list .panel{border-left:4px solid #5A7A80}
.note-list{display:grid;gap:12px}
.note-item{display:grid;grid-template-columns:36px 1fr;gap:12px;padding:18px}
.note-item b{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:#5A7A80;color:#F2F5F6;border-radius:4px}
.topic-list{display:grid;gap:14px}
.topic-row{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:18px;background:#F2F5F6;border:1px solid rgba(30,42,46,.12);border-radius:6px}
.topic-row>strong{color:#5A7A80}
.faq-list{display:grid;gap:12px}
.faq-item{padding:18px}
.faq-item h2{font-size:16px}
.banner-slot{height:200px;margin:16px 0 22px}
.legal{padding:18px 0;border-bottom:1px solid rgba(30,42,46,.12)}
.footer{background:#1E2A2E;color:#E4E8EA;border-top:1px solid #B88860;padding:30px 0 76px;font-size:13px}
.footer-main{display:grid;grid-template-columns:220px 1fr;gap:30px}
.footer-brand{display:flex;flex-direction:column;gap:6px}
.footer-brand strong{color:#F2F5F6;font-size:16px}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.footer-links h3{color:#F2F5F6;font-size:13px}
.footer-links a{display:block;padding:3px 0}
.footer-note{margin-top:24px;padding-top:18px;border-top:1px solid rgba(184,136,96,.42)}
.overlay{position:fixed;inset:0;z-index:80;background:rgba(30,42,46,.46);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.menu-panel{position:fixed;z-index:90;right:18px;bottom:24px;width:290px;max-height:390px;overflow:auto;background:#F2F5F6;color:#2E3C42;padding:16px;border-radius:6px;box-shadow:0 18px 42px rgba(30,42,46,.24);transform:translateY(18px);opacity:0;visibility:hidden;pointer-events:none;transition:.22s}
.menu-panel.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
.menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.menu-brand{display:flex;align-items:center;gap:8px}
.close-btn{min-height:44px;padding:0 8px;color:#1E2A2E}
.menu-group{padding:10px 0;border-top:1px solid rgba(30,42,46,.12)}
.menu-group h3{font-size:13px;color:#5A7A80}
.menu-group a{display:grid;grid-template-columns:78px 1fr;gap:8px;padding:7px 0}
.menu-group span{font-size:13px;color:#7A8A90}
.search-panel{position:fixed;z-index:88;top:74px;left:0;right:0;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);transition:.2s}
.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.search-card{background:#F2F5F6;border:1px solid rgba(90,122,128,.48);border-radius:0 0 6px 6px;box-shadow:0 12px 28px rgba(30,42,46,.12);padding:20px}
.search-head{display:flex;justify-content:space-between;gap:16px}
.search-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.search-links a{min-height:44px;padding:0 16px;border:1px solid #5A7A80;border-radius:6px;display:flex;align-items:center}
.mobile-nav{display:none}
.no-scroll{overflow:hidden}

@media(max-width:760px){
  .quick-nav{display:none}
  .site-main{padding-top:98px;padding-bottom:72px}
  .mast-actions{gap:4px}
  .app-link,.menu-btn{padding:0 10px}
  .focus-grid,.fold-pair,.shelf-head,.period-grid,.two-col,.footer-main,.footer-links{grid-template-columns:1fr}
  .news-row{grid-template-columns:90px 1fr}
  .news-row .image-slot{height:90px}
  .status-item{grid-template-columns:1fr auto}
  .status-item>span:first-child{grid-column:1/-1}
  .topic-row{grid-template-columns:1fr}
  .menu-panel{width:88%;right:6%;bottom:72px}
  .search-panel{top:0;bottom:0;background:#5A7A80}
  .search-card{height:100%;width:100%;background:#5A7A80;color:#F2F5F6;border:0;border-radius:0;padding-top:44px}
  .search-card strong,.search-card p,.search-card .close-btn{color:#F2F5F6}
  .search-links a{color:#F2F5F6;border-color:#F2F5F6}
  .mobile-nav{position:fixed;z-index:70;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:#F2F5F6;border-top:1px solid rgba(30,42,46,.16)}
  .mobile-nav a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}
  .mobile-nav a.is-current{background:#5A7A80;color:#F2F5F6}
  .footer{padding-bottom:92px}
}