:root{
  --bg:#F7F0E4;--deep:#E8DCC8;--paper:#FFF8EE;--soft:#F3E8D4;--ink:#2A2418;
  --text:#3A3428;--muted:#6A6458;--quiet:#8A8478;--coral:#E07070;--gold:#E0B050;
  --mint:#70C090;--blue:#70A8D8;--purple:#A080D0;--border:rgba(42,36,24,.12);
  --focus:rgba(224,176,80,.50);--shadow:0 12px 28px rgba(42,36,24,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{max-width:100%;display:block;object-fit:contain;object-position:center}
h1,h2,h3,p{margin-top:0}
h1{font-size:24px;line-height:1.3;color:var(--ink);margin-bottom:14px}
h2{font-size:20px;line-height:1.4;color:var(--ink);margin-bottom:12px}
h3{font-size:16px;line-height:1.5;color:var(--ink);margin-bottom:8px}
p{margin-bottom:14px}
.top-note{position:fixed;top:0;left:0;right:0;height:20px;background:var(--paper);z-index:50;border-bottom:1px solid var(--border);font-size:12px}
.top-note__inner,.site-header__inner,.bead-nav__inner,.page-width,.footer-inner{max-width:960px;margin:0 auto}
.top-note__inner{height:20px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.text-button,.drawer-button,.icon-button{border:0;background:transparent;cursor:pointer;min-height:44px;padding:0 10px}
.top-note .text-button{min-height:20px;padding:0}
.site-header{position:fixed;top:20px;left:0;right:0;height:54px;background:var(--paper);z-index:49;border-bottom:4px solid transparent;border-image:linear-gradient(90deg,var(--coral),var(--gold),var(--mint),var(--blue),var(--purple)) 1}
.site-header__inner{height:50px;display:flex;align-items:center;justify-content:space-between;padding:0 16px}
.brand-link{display:inline-flex;align-items:center;min-height:44px}
.brand-logo,.drawer-logo,.footer-logo{height:24px;width:auto}
.brand-text{font-size:16px;font-weight:800;color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:6px}
.header-app,.drawer-button{font-size:14px;min-height:44px;display:inline-flex;align-items:center;border-radius:999px}
.header-app{padding:0 14px;border:1px solid var(--focus);background:var(--paper)}
.drawer-button{background:var(--soft);border:1px solid var(--border)}
.bead-nav{position:fixed;top:74px;left:0;right:0;height:50px;background:var(--paper);z-index:45;border-bottom:1px solid var(--border)}
.bead-nav__inner{height:50px;display:flex;align-items:center;justify-content:center;gap:28px;padding:0 16px}
.bead-item{display:inline-flex;align-items:center;gap:7px;font-size:13px;min-height:44px}
.bead-item.is-active{font-weight:800;color:var(--ink)}
.bead{width:12px;height:12px;border-radius:50%;display:inline-block;border:1px solid rgba(42,36,24,.08);transition:.2s}
.bead-item.is-active .bead{width:16px;height:16px}
.bead-coral{background:var(--coral)}.bead-gold{background:var(--gold)}.bead-mint{background:var(--mint)}
.bead-blue{background:var(--blue)}.bead-purple{background:var(--purple)}.bead-sand{background:#D7C6AA}.bead-rose{background:#EAB1B4}
.bead-decor{pointer-events:none;color:var(--quiet)}
.page-main{padding-top:150px;padding-bottom:44px;min-height:70vh}
.page-width{padding:0 16px}
.hero{padding:34px 0 28px}
.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}
.lead{font-size:16px;color:var(--text);max-width:760px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:999px;font-size:14px;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:linear-gradient(90deg,#E0B050 0%,#E07070 52%,#A080D0 100%);color:var(--ink)}
.btn-secondary{background:var(--paper);border-color:var(--focus);color:var(--ink)}
a:hover,.text-button:hover,.drawer-button:hover,.icon-button:hover{opacity:.86}
a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.section{padding:28px 0;border-top:1px solid var(--border)}
.section-soft{background:var(--soft)}
.panel{background:var(--paper);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow)}
.media-slot{background:var(--paper);border:1px solid var(--border);border-radius:22px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain}
.media-horizontal{height:156px}.media-vertical{height:320px;max-width:420px;margin:0 auto}.media-banner{height:200px}
.index-links{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 20px}
.index-links a{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 12px;background:var(--paper);border:1px solid var(--border);border-radius:999px}
.roll-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
.roll-strip{display:grid;grid-template-columns:1.1fr .8fr 1.1fr;gap:16px;align-items:stretch}
.roll-note{padding:20px;background:var(--paper);border:1px solid var(--border);border-radius:22px}
.two-notes{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.note-card{padding:22px;background:var(--paper);border:1px solid var(--border);border-radius:22px}
.fold-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0;perspective:1000px}
.fold-card{padding:24px;background:var(--paper);border:1px solid var(--border)}
.fold-card:first-child{border-radius:22px 0 0 22px;transform:rotateY(1.2deg);transform-origin:right center}
.fold-card:last-child{border-radius:0 22px 22px 0;transform:rotateY(-1.2deg);transform-origin:left center}
.stack-cards{display:grid;gap:16px}
.center-card{max-width:720px;margin:0 auto;padding:28px;text-align:center;background:var(--paper);border:1px solid var(--border);border-radius:24px}
.center-card p{text-align:left}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.timeline article{padding:20px;background:var(--paper);border-radius:20px;border:1px solid var(--border)}
.status-list{display:grid;gap:12px}
.status-item{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;padding:16px 18px;background:var(--paper);border:1px solid var(--border);border-radius:18px}
.status-label{font-weight:800;color:var(--ink)}
.status-line{height:8px;background:var(--deep);border-radius:999px;overflow:hidden}
.status-line span{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--coral));border-radius:999px}
.checklist{display:grid;gap:12px}
.checklist article{padding:18px 18px 18px 52px;position:relative;background:var(--paper);border:1px solid var(--border);border-radius:18px}
.checklist article::before{content:"✓";position:absolute;left:18px;top:17px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--ink);font-weight:800}
.method-flow{display:grid;gap:18px}
.method-flow article{display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start}
.method-no{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:var(--paper);border:1px solid var(--focus);font-weight:800;color:var(--ink)}
.topic-list{display:grid;gap:14px}
.topic-item{padding:20px 22px;background:var(--paper);border:1px solid var(--border);border-radius:20px}
.topic-meta{font-size:12px;color:var(--muted);margin-bottom:6px}
.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.article-grid section,.terms section{padding:22px;background:var(--paper);border:1px solid var(--border);border-radius:20px}
.terms{display:grid;gap:16px}
.faq-list{display:grid;gap:12px}
.faq-item{padding:20px;background:var(--paper);border:1px solid var(--border);border-radius:20px}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.contact-grid article{padding:22px;background:var(--paper);border:1px solid var(--border);border-radius:20px}
.notice{padding:18px 20px;border-left:4px solid var(--gold);background:var(--paper);border-radius:0 18px 18px 0}
.app-icon{width:48px;height:48px;margin:0 auto 14px}
.site-footer{position:relative;background:var(--ink);color:var(--bg);font-size:13px;padding:38px 0 72px}
.footer-accent{position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--coral),var(--gold),var(--mint),var(--blue),var(--purple))}
.footer-inner{padding:0 16px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.footer-brand-link{display:inline-flex;align-items:center;min-height:44px}
.footer-brand strong{font-size:16px}.footer-brand span{color:#D8D0C4}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.footer-grid section{display:flex;flex-direction:column;gap:7px}
.footer-grid h2{font-size:13px;color:#FFF8EE;margin:0 0 4px}
.footer-grid a{color:#F7F0E4}
.footer-note{margin-top:26px;color:#D8D0C4;max-width:850px}
.footer-copy{color:#C9C0B4;margin-bottom:0}
.overlay{position:fixed;inset:0;background:rgba(42,36,24,.35);opacity:0;visibility:hidden;pointer-events:none;z-index:70;transition:.2s}
.overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.site-drawer{position:fixed;top:82px;right:18px;width:300px;max-height:380px;background:var(--paper);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);z-index:80;opacity:0;transform:translateY(-14px);visibility:hidden;pointer-events:none;transition:.2s;overflow:hidden}
.site-drawer.is-open{opacity:1;transform:translateY(0);visibility:visible;pointer-events:auto}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--border)}
.drawer-brand{display:flex;align-items:center;gap:9px}
.drawer-scroll{overflow:auto;max-height:318px;padding:12px}
.drawer-scroll section{padding:7px 0}
.drawer-scroll h2{font-size:12px;color:var(--muted);margin:0 0 6px}
.drawer-scroll a{display:grid;grid-template-columns:96px 1fr;gap:8px;padding:8px 6px;border-radius:12px}
.drawer-scroll a:hover{background:var(--soft)}
.drawer-scroll b{font-size:14px}.drawer-scroll span{font-size:12px;color:var(--muted)}
.search-panel{position:fixed;top:82px;left:50%;width:min(920px,calc(100% - 32px));transform:translate(-50%,-12px);z-index:81;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.search-card{background:var(--paper);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);padding:18px}
.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.search-head p{font-size:13px;color:var(--muted);margin-bottom:0}
.search-presets{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.search-presets a{min-height:44px;display:inline-flex;align-items:center;padding:0 15px;border:1px solid var(--border);border-radius:999px;background:var(--soft)}
.mobile-bottom{display:none}
.no-scroll{overflow:hidden}
.split-rail{display:grid;grid-template-columns:150px 1fr;gap:24px}
.split-rail .rail{position:sticky;top:150px;align-self:start;background:var(--paper);border:1px solid var(--border);border-radius:20px;padding:16px}
.split-rail .rail a{display:block;padding:7px 0;font-size:13px}
.long-copy section{padding:0 0 24px;margin-bottom:24px;border-bottom:1px solid var(--border)}
.long-copy section:last-child{border-bottom:0}
.quote-box{padding:22px;background:var(--deep);border-radius:20px}
.label-row{display:flex;flex-wrap:wrap;gap:8px}
.label-row span{padding:7px 11px;border-radius:999px;background:var(--paper);border:1px solid var(--border);font-size:13px}
.product-block{text-align:center}
.product-block .copy{text-align:left;max-width:760px;margin:18px auto 0}
.compact-list{display:grid;gap:10px}
.compact-list div{padding:14px 16px;background:var(--paper);border:1px solid var(--border);border-radius:16px}
@media (max-width:760px){
  .bead-nav{display:none}
  .page-main{padding-top:96px;padding-bottom:82px}
  .site-header{top:20px}
  .site-header__inner{padding:0 16px}
  .header-app{padding:0 10px}
  .brand-logo{max-width:132px}
  .roll-strip,.two-notes,.timeline,.article-grid,.contact-grid,.footer-grid,.fold-wrap,.split-rail{grid-template-columns:1fr}
  .roll-strip{gap:14px}
  .fold-card:first-child,.fold-card:last-child{border-radius:20px;transform:none}
  .status-item{grid-template-columns:1fr;gap:8px}
  .split-rail .rail{position:static}
  .site-drawer{top:78px;right:6%;width:88%;max-height:380px}
  .search-panel{inset:0;width:100%;height:100%;transform:none;background:var(--ink);padding:84px 16px 70px;z-index:82}
  .search-panel.is-open{transform:none}
  .search-card{background:var(--ink);color:var(--bg);border-color:rgba(255,255,255,.12);box-shadow:none}
  .search-head strong,.search-head p,.search-panel .icon-button{color:var(--bg)}
  .search-presets a{background:#3B3426;border-color:rgba(255,255,255,.15);color:var(--bg)}
  .mobile-bottom{position:fixed;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(--border);z-index:60}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}
  .mobile-bottom a.is-active{background:var(--gold);color:var(--ink);font-weight:800}
  .site-footer{padding-bottom:86px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero{padding-top:26px}
}
@media (max-width:420px){
  .top-note__inner{gap:8px}
  .top-note__inner>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .footer-grid{grid-template-columns:1fr 1fr}
  .drawer-scroll a{grid-template-columns:86px 1fr}
}

.mt18{margin-top:18px}.actions-center{justify-content:center}.w100{width:100%}.w68{width:68%}.w66{width:66%}.w34{width:34%}.w32{width:32%}