:root{
  --bg:#F7F0E4;--deep:#E8DCC8;--panel:#FFF8EE;--soft:#F3E8D4;--ink:#2A2418;--text:#3A3428;--muted:#6A6458;--faint:#8A8478;
  --coral:#E07070;--gold:#E0B050;--mint:#70C090;--sky:#70A8D8;--violet:#A080D0;--line: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;overflow-x:hidden}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;padding-top:124px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--ink);color:var(--bg);padding:8px 12px;border-radius:10px}.skip-link:focus{top:8px}.top-strip{position:fixed;z-index:90;left:0;right:0;top:0;height:20px;background:var(--panel);border-bottom:1px solid var(--line);font-size:12px}.top-strip-inner,.header-inner,.bead-list,.footer-inner{max-width:960px;margin:0 auto}.top-strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;white-space:nowrap}.text-button,.drawer-button,.close-button{border:0;background:transparent;color:var(--ink);cursor:pointer;min-height:44px;padding:0 10px}.top-strip .text-button{min-height:20px;padding:0}.site-header{position:fixed;z-index:89;left:0;right:0;top:20px;height:54px;background:var(--panel);border-bottom:4px solid transparent;border-image:linear-gradient(90deg,var(--coral),var(--gold),var(--mint),var(--sky),var(--violet)) 1}.header-inner{height:50px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-link{min-width:120px;display:flex;align-items:center;height:44px}.brand-logo{height:24px;width:auto;object-fit:contain}.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}.header-actions{display:flex;align-items:center;gap:6px}.app-link,.drawer-button{height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:0 14px;font-size:14px;font-weight:700}.app-link{border:1px solid var(--focus);background:var(--panel)}.drawer-button{border:1px solid var(--line);background:var(--soft)}.bead-nav{position:fixed;z-index:88;left:0;right:0;top:74px;height:50px;background:var(--panel);border-bottom:1px solid var(--line)}.bead-list{height:50px;display:flex;align-items:center;justify-content:center;gap:24px;padding:0 16px}.bead-item{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:7px;min-height:40px}.bead-item.is-current{font-weight:800;color:var(--ink)}.bead-dot{width:12px;height:12px;border-radius:50%;display:inline-block;transition:transform .2s ease}.bead-item.is-current .bead-dot{width:16px;height:16px}.bead-coral{background:var(--coral)}.bead-gold{background:var(--gold)}.bead-mint{background:var(--mint)}.bead-sky{background:var(--sky)}.bead-violet{background:var(--violet)}.bead-sand{background:#D7C4A6}.bead-rose{background:#DCA0A8}.bead-decor{pointer-events:none}.site-main{width:min(960px,calc(100% - 32px));margin:0 auto;padding:36px 0 64px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:700}.hero{padding:28px 0 18px}.hero h1,.page-intro h1{font-size:24px;line-height:1.3;color:var(--ink);margin:8px 0 12px}.hero-lead{font-size:18px;font-weight:700;color:var(--ink);margin:0 0 8px}.hero p,.page-intro p{max-width:760px;margin:0 0 18px}.button-row{display:flex;flex-wrap:wrap;gap:10px}.primary-button,.secondary-button{height:44px;min-width:132px;padding:0 18px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}.primary-button{background:linear-gradient(90deg,var(--gold) 0%,var(--coral) 52%,var(--violet) 100%);color:var(--ink);border:1px solid rgba(42,36,24,.10)}.secondary-button{background:var(--panel);border:1px solid var(--gold);color:var(--ink)}.primary-button:hover,.secondary-button:hover,.app-link:hover,.drawer-button:hover{transform:translateY(-1px);box-shadow:var(--shadow)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.quick-index{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 14px}.quick-index a{min-height:44px;padding:8px 14px;border:1px solid var(--line);background:var(--panel);border-radius:999px;display:inline-flex;align-items:center;font-size:13px}.section{margin:30px 0}.section h2{font-size:20px;color:var(--ink);margin:0 0 12px}.section h3{font-size:16px;color:var(--ink);margin:0 0 8px}.section p{margin:0 0 12px}.media-slot{background:var(--panel);border:1px solid var(--line);border-radius:22px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:140px}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-wide{height:156px}.media-square{height:240px}.media-app{height:320px;max-width:360px;margin:0 auto}.media-banner{height:200px}.media-icon{height:80px;width:80px;min-height:80px;border-radius:20px}.home-roll{border:1px solid var(--line);background:var(--soft);border-radius:24px;padding:18px;display:grid;grid-template-columns:1fr minmax(260px,1.2fr) 1fr;gap:18px;align-items:center}.home-roll h2{margin:0}.home-roll p{margin:0}.dual-notes{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note-card{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow)}.note-card .media-slot{margin-bottom:16px}.fold-pair{display:grid;grid-template-columns:1fr 1fr;gap:0}.fold-sheet{padding:24px;background:var(--panel);border:1px solid var(--line);min-height:220px}.fold-sheet:first-child{border-radius:24px 0 0 24px;border-right:0}.fold-sheet:last-child{border-radius:0 24px 24px 0;background:var(--soft)}.shelf-head{display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:center;margin-bottom:16px}.shelf-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.shelf-card{background:var(--panel);border:1px solid var(--line);padding:18px;border-radius:20px}.period-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period-item{padding:18px;border-radius:20px;background:var(--panel);border:1px solid var(--line)}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:120px 1fr auto;gap:14px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}.status-tag{font-size:12px;font-weight:800;padding:4px 9px;border-radius:999px;background:var(--soft)}.product-center{text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:26px}.product-center .media-icon{margin:14px auto}.product-center p{max-width:720px;margin:14px auto}.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.method-card{padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:20px}.faq-mini{display:grid;gap:10px}.faq-mini details,.faq-list details{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:0 16px}.faq-mini summary,.faq-list summary{cursor:pointer;font-weight:800;color:var(--ink);padding:14px 0}.faq-mini p,.faq-list p{padding:0 0 14px;margin:0}.brand-note{background:var(--deep);border-radius:24px;padding:24px}.page-intro{padding:22px 0}.two-track{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}.track{display:grid;gap:16px}.track article{padding:18px;border-radius:22px;background:var(--panel);border:1px solid var(--line)}.roll-page{background:var(--deep);border-radius:28px;padding:20px}.roll-stage{display:grid;grid-template-columns:1fr minmax(260px,1.2fr) 1fr;gap:18px;align-items:stretch}.roll-stage article{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:18px}.roll-stage .media-slot{height:100%;min-height:280px}.fold-page{display:grid;grid-template-columns:1fr 1fr;gap:0}.fold-page section{padding:22px;border:1px solid var(--line);background:var(--panel)}.fold-page section:nth-child(odd){border-radius:22px 0 0 22px}.fold-page section:nth-child(even){background:var(--soft);border-radius:0 22px 22px 0}.single-flow{max-width:760px;margin:0 auto}.single-flow .step{display:grid;grid-template-columns:70px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.step-num{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--soft);font-weight:800;color:var(--ink)}.period-page{display:grid;gap:16px}.period-page article{display:grid;grid-template-columns:100px 1fr;gap:20px;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:20px}.period-label{font-size:20px;font-weight:900;color:var(--ink)}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--deep)}.timeline article{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:18px;margin:0 0 14px}.timeline article:before{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--gold);left:-27px;top:24px}.checklist{display:grid;gap:14px}.checklist article{display:grid;grid-template-columns:40px 1fr;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:18px}.checkmark{width:32px;height:32px;border-radius:10px;background:var(--soft);display:flex;align-items:center;justify-content:center;font-weight:900}.method-long{display:grid;gap:18px}.method-long article{padding:20px;border-left:4px solid var(--gold);background:var(--panel);border-radius:0 20px 20px 0}.topic-list{display:grid;gap:12px}.topic-list a,.topic-list article{display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:center;padding:18px;border-radius:20px;background:var(--panel);border:1px solid var(--line)}.center-cards{display:grid;gap:16px;max-width:720px;margin:0 auto}.center-cards article{text-align:center;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:24px}.terms{display:grid;gap:16px}.terms section{padding:20px;border-radius:20px;background:var(--panel);border:1px solid var(--line)}.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-grid article{padding:18px;border-radius:20px;background:var(--panel);border:1px solid var(--line)}.contact-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-paths article{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:20px}.about-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.about-layout article{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:20px}.site-footer{position:relative;background:var(--ink);color:var(--bg);font-size:13px;padding:0 16px 72px}.footer-accent{position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--coral),var(--gold),var(--mint),var(--sky),var(--violet))}.footer-inner{padding-top:28px;padding-bottom:18px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.footer-brand div{display:flex;flex-direction:column}.footer-logo{height:24px;width:auto;object-fit:contain;filter:brightness(1.1)}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-groups h2{font-size:13px;margin:0 0 8px;color:#fff}.footer-groups a{display:block;color:var(--bg);opacity:.88;margin:5px 0}.rights-note{max-width:760px;color:#E8DCC8;margin:24px 0 8px}.copyright{color:#CFC3B1;margin:0}.page-mask{position:fixed;z-index:120;inset:0;background:rgba(42,36,24,.36);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-drawer{position:fixed;z-index:130;right:20px;top:84px;width:300px;max-height:380px;background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:auto;transform:translateY(-18px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.site-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:var(--panel);display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--line);z-index:2}.drawer-brand{display:flex;gap:8px;align-items:center}.drawer-brand img{height:24px;width:auto;object-fit:contain}.drawer-body{padding:10px 12px 16px}.drawer-body section+section{margin-top:12px}.drawer-body h2{font-size:12px;color:var(--faint);margin:4px 6px}.drawer-body a{display:grid;grid-template-columns:76px 1fr;gap:8px;padding:8px 6px;border-radius:12px}.drawer-body a:hover{background:var(--soft)}.drawer-body b{font-size:13px;color:var(--ink)}.drawer-body span{font-size:12px;color:var(--muted);line-height:1.45}.search-panel{position:fixed;z-index:125;left:50%;top:82px;width:min(620px,calc(100% - 32px));transform:translate(-50%,-16px);background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);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{padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-card label{display:block;margin:8px 0;color:var(--muted)}.search-card input{width:100%;height:44px;border:1px solid var(--line);border-radius:14px;background:var(--bg);color:var(--ink);padding:0 12px}.search-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-links a{min-height:44px;padding:8px 14px;background:var(--soft);border-radius:999px;display:inline-flex;align-items:center}.search-empty{color:var(--muted);margin:12px 0 0}.mobile-bottom{display:none}.ui-locked{overflow:hidden}.soft-box{padding:18px;background:var(--soft);border-radius:20px}.quote-line{font-size:18px;font-weight:800;color:var(--ink);padding:16px 18px;border-left:4px solid var(--coral);background:var(--panel);border-radius:0 18px 18px 0}.meta-note{font-size:13px;color:var(--muted)}.centered-intro{text-align:center}.centered-intro p{margin-left:auto;margin-right:auto}.button-center{justify-content:center}.spacing-top{margin-top:14px}
@media (max-width:760px){
  body{padding-top:74px;padding-bottom:calc(58px + env(safe-area-inset-bottom))}.bead-nav{display:none}.top-strip-inner,.header-inner{padding-left:16px;padding-right:16px}.top-strip-inner span{max-width:72%;overflow:hidden;text-overflow:ellipsis}.brand-link{min-width:0}.header-actions{gap:4px}.app-link,.drawer-button{padding:0 10px}.site-main{width:calc(100% - 32px);padding:24px 0 44px}.home-roll,.roll-stage,.shelf-head,.about-layout{grid-template-columns:1fr}.home-roll .media-wide{order:2}.dual-notes,.method-grid,.help-grid,.contact-paths,.shelf-cards{grid-template-columns:1fr}.fold-pair,.fold-page{grid-template-columns:1fr;gap:12px}.fold-sheet:first-child,.fold-sheet:last-child,.fold-page section:nth-child(odd),.fold-page section:nth-child(even){border:1px solid var(--line);border-radius:22px}.period-strip{grid-template-columns:1fr}.status-row{grid-template-columns:1fr;gap:6px}.period-page article{grid-template-columns:1fr;gap:8px}.topic-list a,.topic-list article{grid-template-columns:1fr;gap:8px}.footer-groups{grid-template-columns:1fr 1fr}.site-drawer{right:6%;top:78px;width:88%;max-height:calc(100vh - 110px)}.search-panel{inset:0;width:100%;height:100%;transform:none;border-radius:0;background:var(--ink);color:var(--bg);border:0}.search-panel.is-open{transform:none}.search-card{padding:80px 20px 20px}.search-head strong,.search-card label{color:var(--bg)}.search-card .close-button{color:var(--bg)}.search-card input{background:#3B3427;color:#fff;border-color:rgba(255,255,255,.18)}.search-links a{background:#433B2D;color:#fff}.mobile-bottom{position:fixed;z-index:110;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--panel);border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-current{background:var(--gold);color:var(--ink);font-weight:800}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.media-square{height:210px}.media-app{height:300px}.media-banner{height:180px}.single-flow .step{grid-template-columns:54px 1fr}.drawer-body a{grid-template-columns:70px 1fr}
}
@media (max-width:420px){.top-strip-inner span{max-width:66%}.app-link{padding:0 8px}.drawer-button{padding:0 8px}.footer-groups{grid-template-columns:1fr}.hero h1,.page-intro h1{font-size:23px}.product-center{padding:20px}.site-main{width:calc(100% - 32px)}}

/* v2 content system */
.page-index .home-hero{padding-top:44px}.drawer-top span{display:block;color:#6A6458;font-size:12px;margin-top:3px}.footer-brand span{display:block}