:root{
  --bg:#F6F0DC;--deep:#E6DCC0;--paper:#FBF7EA;--sub:#EFE6CE;
  --ink:#18140A;--text:#2A2414;--muted:#5A4E30;--soft:#7A6E48;
  --gold:#6E5418;--honey:#C9A03A;--line:rgba(24,20,10,.12);
  --line-strong:rgba(110,84,24,.50);--shadow:0 12px 28px rgba(24,20,10,.08);
  --radius:18px;--max:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(180deg,var(--bg),#F2E8CF 68%,var(--deep));color:var(--text);font:15px/1.72 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.utility-bar{position:fixed;z-index:80;top:0;left:0;right:0;height:20px;background:var(--ink);color:var(--honey);font-size:12px}
.utility-inner{height:20px;display:flex;align-items:center;justify-content:space-between}
.plain-button{height:20px;min-width:44px;padding:0;border:0;background:transparent;color:var(--honey);text-align:right}
.main-header{position:fixed;z-index:79;top:20px;left:0;right:0;height:54px;background:rgba(251,247,234,.97);border-bottom:1px solid var(--line-strong);backdrop-filter:blur(8px)}
.header-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;min-height:44px;max-width:52%}
.brand-logo,.footer-logo,.menu-logo{height:24px;width:auto;max-width:190px;object-fit:contain;object-position:center}
.brand-text{font-size:16px;font-weight:800;color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:8px}
.app-entry,.menu-trigger{height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-size:14px;white-space:nowrap}
.app-entry{padding:0 15px;border:1px solid var(--line-strong);background:var(--paper)}
.menu-trigger{min-width:64px;padding:0 15px;border:0;background:linear-gradient(135deg,var(--ink),var(--honey));color:var(--paper)}
.quick-nav{position:fixed;z-index:78;top:74px;left:0;right:0;height:46px;background:rgba(251,247,234,.97);border-bottom:1px solid var(--line)}
.quick-nav-inner{height:46px;display:flex;align-items:center;justify-content:center;gap:32px}
.quick-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:13px;color:var(--muted)}
.quick-mark{width:18px;height:12px;border:1px solid var(--gold);border-radius:10px 4px 10px 4px;transform:skewX(-10deg);background:transparent}
.quick-link.is-active{color:var(--ink);font-weight:800}
.quick-link.is-active .quick-mark{background:var(--honey);border-color:var(--honey)}
.site-main{padding-top:148px;padding-bottom:58px}
.hero{padding:34px 0 22px}
.hero-shell{padding:26px;border:1px solid var(--line);border-radius:24px;background:rgba(251,247,234,.72);box-shadow:var(--shadow)}
.hero-kicker{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}
.hero-kicker a{display:inline-flex;align-items:center;min-height:38px;padding:0 13px;border:1px solid var(--line);border-radius:999px;background:var(--paper);font-size:13px}
.hero h1,.page-head h1{margin:0 0 12px;color:var(--ink);font-size:24px;line-height:1.3}
.hero .lead,.page-head .lead{max-width:820px;color:var(--muted)}
.hero-note{margin:0 0 10px;color:var(--gold);font-weight:800}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;font-size:14px;transition:.18s}
.btn-primary{background:linear-gradient(135deg,var(--ink),var(--honey));color:var(--paper)}
.btn-secondary{background:var(--paper);color:var(--ink);border:1px solid var(--gold)}
.section{padding:28px 0}
.section h2{margin:0 0 12px;color:var(--ink);font-size:20px}
.section h3{margin:0 0 8px;color:var(--ink);font-size:16px}
.section p{margin:0 0 12px}
.eyebrow{font-size:12px;color:var(--gold);font-weight:800;letter-spacing:.1em}
.media-slot{display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--paper);border:1px dashed var(--line-strong);border-radius:18px}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.feature-band{display:grid;grid-template-columns:minmax(210px,290px) 1fr;gap:22px;align-items:center}
.feature-band .media-slot{height:220px}
.feature-copy{padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:22px}
.story-rail{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.story-large,.story-small{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:20px}
.story-large .media-slot{height:210px;margin-bottom:15px}
.story-stack{display:grid;gap:18px}
.scene-mosaic{display:grid;grid-template-columns:1fr 1fr;grid-template-areas:"main top" "main bottom";gap:16px}
.scene-mosaic article{padding:20px;border-radius:20px;background:var(--paper);border:1px solid var(--line)}
.scene-mosaic .mosaic-main{grid-area:main}
.scene-mosaic .mosaic-top{grid-area:top}
.scene-mosaic .mosaic-bottom{grid-area:bottom}
.mosaic-main .media-slot{height:210px;margin-bottom:14px}
.catalog-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.catalog-card{padding:22px;border:1px solid var(--line);border-radius:20px;background:var(--paper)}
.catalog-card .media-slot{height:170px;margin-bottom:14px}
.review-timeline{display:grid;gap:12px}
.review-item{display:grid;grid-template-columns:86px 1fr;gap:16px;padding:17px 19px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}
.review-item strong{color:var(--gold)}
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.status-card{padding:18px;border-radius:18px;background:var(--paper);border:1px solid var(--line)}
.status-card span{display:inline-flex;min-height:32px;align-items:center;padding:0 11px;border:1px solid var(--line-strong);border-radius:999px;color:var(--gold);font-size:13px;font-weight:800;background:var(--sub)}
.app-flow{display:grid;gap:18px}
.app-images{display:grid;grid-template-columns:1fr 90px;gap:16px;align-items:center}
.app-images .media-slot:first-child{height:300px}
.app-images .media-slot:last-child{height:90px}
.tip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.tip-card{padding:18px;border-radius:18px;background:var(--paper);border:1px solid var(--line)}
.tip-card b{display:block;margin-bottom:7px;color:var(--gold);font-size:13px}
.faq-mini,.faq-list{display:grid;gap:12px}
.faq-mini details,.faq-list details{padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:var(--paper)}
.faq-mini summary,.faq-list summary{cursor:pointer;font-weight:800;color:var(--ink)}
.faq-mini p,.faq-list p{margin:10px 0 0}
.page-head{padding:30px 0 20px}
.page-head .kicker{margin-bottom:8px;color:var(--gold);font-weight:800;font-size:13px}
.page-layout{display:grid;grid-template-columns:260px 1fr;gap:24px}
.page-layout .side-media{height:310px;position:sticky;top:142px}
.content-stack{display:grid;gap:16px}
.content-block{padding:20px 22px;background:var(--paper);border:1px solid var(--line);border-radius:20px}
.content-block ul{margin:8px 0 0;padding-left:1.2em}
.dual-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.dual-columns article{padding:20px;border:1px solid var(--line);border-radius:20px;background:var(--paper)}
.dual-columns .media-slot{height:190px;margin-bottom:14px}
.notes-list{display:grid;gap:13px}
.note-item{padding:18px 20px;background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--honey);border-radius:0 18px 18px 0}
.topic-list{display:grid;gap:14px}
.topic-list article{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:18px}
.topic-tag{color:var(--gold);font-weight:800}
.center-panel{max-width:760px;margin:0 auto;padding:27px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
.center-panel+.center-panel{margin-top:18px}
.terms{display:grid;gap:16px}
.term{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:18px}
.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.contact-grid article{padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}
.about-banner{height:200px;margin-bottom:20px}
.about-cover{height:220px;margin:18px 0}
.note-box{padding:16px 18px;background:var(--sub);border:1px solid var(--line);border-radius:16px;color:var(--muted)}
.narrow{max-width:760px;margin-left:auto;margin-right:auto}
.site-footer{padding:28px 0 78px;background:var(--ink);color:var(--bg);border-top:1px solid var(--honey)}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand span{color:var(--honey)}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:22px}
.footer-grid h2{margin:0 0 10px;color:var(--honey);font-size:13px}
.footer-grid a{display:block;padding:4px 0;color:var(--bg);font-size:13px}
.footer-note{margin-top:22px;padding-top:18px;border-top:1px solid rgba(201,160,58,.28);color:#EDE5CE;font-size:13px}
.footer-note p{margin:4px 0}
.overlay{position:fixed;z-index:90;inset:0;background:rgba(24,20,10,.46);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
.overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.site-menu{position:fixed;z-index:100;right:16px;top:86px;width:300px;max-height:350px;overflow:auto;padding:16px;background:var(--paper);border:1px solid var(--line-strong);border-radius:20px;box-shadow:var(--shadow);transform:translateY(-16px);opacity:0;visibility:hidden;pointer-events:none;transition:.22s}
.menu-open .site-menu{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
.menu-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.menu-brand{display:flex;align-items:center;gap:8px}
.close-button{min-width:56px;height:40px;border:1px solid var(--line-strong);border-radius:999px;background:var(--paper);color:var(--ink)}
.menu-groups{display:grid;gap:14px;margin-top:14px}
.menu-groups section{padding-top:10px;border-top:1px solid var(--line)}
.menu-groups h2{margin:0 0 8px;color:var(--gold);font-size:12px}
.menu-groups a{display:grid;grid-template-columns:84px 1fr;gap:8px;padding:7px 0}
.menu-groups strong{font-size:13px}
.menu-groups span{color:var(--muted);font-size:12px}
.search-panel{position:fixed;z-index:101;left:50%;top:82px;width:min(calc(100% - 32px),720px);transform:translateX(-50%) translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
.search-open .search-panel{transform:translateX(-50%) translateY(0);opacity:1;visibility:visible;pointer-events:auto}
.search-card{padding:20px;background:var(--paper);border:1px solid var(--line-strong);border-radius:20px;box-shadow:var(--shadow)}
.search-head h2{margin:0;font-size:18px}
.search-card label{display:block;margin:14px 0 8px;color:var(--muted)}
.search-card input{width:100%;height:44px;padding:0 14px;border:1px solid var(--line-strong);border-radius:12px;background:#fffdf5;color:var(--ink)}
.search-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.search-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--sub)}
.lock-scroll{overflow:hidden}
.mobile-bar{display:none}
.btn:hover,.app-entry:hover,.menu-trigger:hover,.footer-grid a:hover,.menu-groups a:hover,.search-links a:hover{transform:translateY(-1px)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--honey);outline-offset:3px}
@media(max-width:760px){
  .quick-nav{display:none}
  .site-main{padding-top:98px;padding-bottom:88px}
  .brand{max-width:43%}
  .header-actions{gap:6px}
  .app-entry,.menu-trigger{padding:0 10px;font-size:13px}
  .feature-band,.story-rail,.scene-mosaic,.catalog-row,.page-layout,.dual-columns,.contact-grid{grid-template-columns:1fr}
  .scene-mosaic{grid-template-areas:"main" "top" "bottom"}
  .status-grid{grid-template-columns:1fr}
  .tip-grid{grid-template-columns:1fr 1fr}
  .review-item,.topic-list article{grid-template-columns:1fr}
  .page-layout .side-media{position:static;height:230px}
  .app-images{grid-template-columns:1fr 72px}
  .app-images .media-slot:last-child{height:72px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .site-menu{left:6%;right:auto;top:82px;width:88%;max-height:350px}
  .search-panel{inset:0;width:auto;padding:84px 16px 70px;background:var(--ink);transform:none}
  .search-open .search-panel{transform:none}
  .search-card{background:var(--ink);color:var(--honey);border-color:rgba(201,160,58,.45)}
  .search-head h2,.search-card label{color:var(--honey)}
  .search-card input{background:var(--paper)}
  .search-links a{background:transparent;color:var(--bg);border-color:rgba(201,160,58,.5)}
  .search-card .close-button{background:transparent;color:var(--bg);border-color:rgba(201,160,58,.5)}
  .mobile-bar{position:fixed;z-index:75;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:var(--paper);border-top:1px solid var(--line-strong)}
  .mobile-bar a{height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}
  .mobile-bar a.is-active{background:var(--honey);color:var(--ink);font-weight:800}
  .site-footer{padding-bottom:90px}
}
@media(max-width:480px){
  .hero-shell{padding:21px}
  .tip-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:16px}
  .content-block{padding:18px}
}