:root{
  --page:#F7F0E4;--deep:#E8DCC8;--panel:#FFF8EE;--soft:#F3E8D4;
  --title:#2A2418;--text:#3A3428;--muted:#6A6458;--subtle:#8A8478;
  --coral:#E07070;--gold:#E0B050;--mint:#70C090;--sky:#70A8D8;--violet:#A080D0;
  --border:rgba(42,36,24,.12);--focus:rgba(224,176,80,.50);--shadow:0 12px 28px rgba(42,36,24,.08);
  --max:960px;--top:20px;--brand:54px;--beads:50px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--page);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","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{display:block;max-width:100%;height:auto}
.skip-link{position:fixed;left:12px;top:-60px;z-index:9999;background:var(--panel);padding:10px 14px;border-radius:10px;border:1px solid var(--focus)}
.skip-link:focus{top:10px}
.top-strip,.brand-bar{position:fixed;left:0;right:0;z-index:800;background:var(--panel)}
.top-strip{top:0;height:20px;font-size:12px;border-bottom:1px solid rgba(42,36,24,.05)}
.top-strip-inner,.brand-bar-inner,.bead-nav-inner,.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.top-strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;white-space:nowrap}
.plain-action{border:0;background:transparent;padding:0 2px;min-height:20px;cursor:pointer}
.brand-bar{top:20px;height:54px;box-shadow:0 1px 0 var(--border)}
.brand-bar::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:4px;background:linear-gradient(90deg,var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80% 100%)}
.brand-bar-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand-mark{display:inline-flex;align-items:center;min-height:44px;max-width:55%;font-weight:800;font-size:16px;color:var(--title)}
.brand-mark img,.footer-logo img,.drawer-brand img{height:24px;width:auto;object-fit:contain;object-position:center}
.brand-actions{display:flex;align-items:center;gap:8px;white-space:nowrap}
.app-link,.menu-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:0 14px;font-size:14px;cursor:pointer}
.app-link{background:linear-gradient(90deg,#E0B050 0%,#E07070 52%,#A080D0 100%);color:var(--title);font-weight:800;border:1px solid transparent}
.menu-button{background:var(--panel);border:1px solid var(--focus);font-weight:700}
.bead-nav{position:fixed;top:78px;left:0;right:0;height:50px;z-index:750;background:rgba(255,248,238,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(8px)}
.bead-nav-inner{height:50px;display:flex;align-items:center;justify-content:center;gap:30px}
.bead{display:flex;min-width:54px;align-items:center;justify-content:center;gap:7px;font-size:13px;color:var(--muted)}
.bead>span{width:12px;height:12px;border-radius:50%;display:block;border:1px solid rgba(42,36,24,.08)}
.bead b{font-weight:500}.bead.is-current b{font-weight:800;color:var(--title)}.bead.is-current>span{width:16px;height:16px}
.bead-coral>span{background:var(--coral)}.bead-gold>span{background:var(--gold)}.bead-mint>span{background:var(--mint)}.bead-sky>span{background:var(--sky)}.bead-violet>span{background:var(--violet)}.bead-sand>span{background:#D8C6AA}.bead-rose>span{background:#D9A2A8}
.site-main{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:158px 0 72px}
h1,h2,h3{color:var(--title);margin-top:0;letter-spacing:.01em}h1{font-size:24px;line-height:1.3;margin-bottom:14px}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}ul,ol{margin:0 0 14px;padding-left:1.3em}
.eyebrow{font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.08em;text-transform:uppercase}.lead{font-size:16px;color:var(--title)}
.section{margin:0 0 28px}.section-card,.paper-card,.center-card,.fold-card,.status-card,.notice-card,.faq-item,.method-block,.topic-item{background:var(--panel);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow)}
.section-card{padding:24px}.soft-card{background:var(--soft)}
.hero-intro{padding:18px 0 22px}.hero-intro .lead{font-weight:800;font-size:18px}.hero-intro p{max-width:780px}
.mini-index{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}.mini-index a{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border:1px solid var(--border);border-radius:999px;background:var(--panel);font-size:13px;min-height:40px}.mini-index i{width:10px;height:10px;border-radius:50%;display:block}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn-primary,.btn-secondary{min-height:42px;padding:0 18px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}.btn-primary{background:linear-gradient(90deg,#E0B050 0%,#E07070 52%,#A080D0 100%);color:var(--title);border:1px solid transparent}.btn-secondary{background:var(--panel);border:1px solid var(--focus)}
.image-slot{width:100%;min-height:120px;background:var(--soft);border:1px dashed rgba(42,36,24,.15);border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot:empty::before{content:"";display:block;width:38px;height:8px;border-radius:10px;background:linear-gradient(90deg,var(--coral),var(--gold),var(--mint),var(--sky),var(--violet));opacity:.35}.image-slot img{max-height:100%;width:100%;object-fit:contain;object-position:center}.image-slot.roll-image{height:156px}.image-slot.app-image{height:300px;max-width:360px;margin:0 auto}.image-slot.icon-image{height:72px;max-width:72px;margin:0 auto}.image-slot.banner-image{height:200px}.image-slot.standard-image{height:220px}
.horizontal-roll{background:var(--panel);border:1px solid var(--border);border-radius:24px;padding:18px;position:relative;overflow:hidden}.horizontal-roll::before,.horizontal-roll::after{content:"";position:absolute;top:18px;bottom:18px;width:8px;border-radius:99px;background:var(--deep)}.horizontal-roll::before{left:8px}.horizontal-roll::after{right:8px}.horizontal-roll .roll-content{padding:0 18px}.roll-notes{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:14px;align-items:center}.roll-note{padding:12px;background:var(--soft);border-radius:16px;min-height:116px}
.double-notes{display:grid;grid-template-columns:1fr 1fr;gap:16px}.paper-card{padding:20px}.paper-card .image-slot{margin-bottom:16px;height:200px}.paper-card:first-child{transform:rotate(-.4deg)}.paper-card:last-child{transform:rotate(.4deg)}
.fold-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.fold-card{padding:0;overflow:hidden;position:relative}.fold-card::after{content:"";position:absolute;right:0;top:0;width:44px;height:44px;background:linear-gradient(225deg,var(--page) 49%,rgba(42,36,24,.08) 50%,var(--deep) 52%);border-bottom-left-radius:14px}.fold-card .fold-inner{padding:22px}.fold-card .image-slot{height:190px;border-radius:0;border-left:0;border-right:0;border-top:0}
.rack-head{margin-bottom:16px}.rack-head .image-slot{height:210px}.rack-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.center-card{padding:24px;text-align:center}.center-card p{max-width:690px;margin-left:auto;margin-right:auto}.center-card .image-slot{margin-bottom:16px}
.period-strip{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.period-block{padding:18px;border-radius:20px;background:var(--panel);border:1px solid var(--border)}.period-block:nth-child(1){border-top:4px solid var(--coral)}.period-block:nth-child(2){border-top:4px solid var(--gold)}.period-block:nth-child(3){border-top:4px solid var(--mint)}
.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:120px 1fr auto;gap:14px;align-items:center;padding:14px 16px;background:var(--panel);border:1px solid var(--border);border-radius:16px}.status-label{font-size:13px;padding:5px 9px;border-radius:999px;background:var(--soft);white-space:nowrap}
.product-center{text-align:center}.product-center .product-copy{max-width:720px;margin:16px auto 0}.product-badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;font-weight:800}
.points-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.notice-card,.method-block,.topic-item{padding:20px}.notice-card strong{display:block;margin-bottom:6px;color:var(--title)}
.faq-list{display:grid;gap:12px}.faq-item{padding:20px}.faq-item h2,.faq-item h3{margin-bottom:8px}.faq-item p:last-child{margin-bottom:0}
.page-head{margin-bottom:24px}.page-head .lead{max-width:800px}.page-head .image-slot{margin-top:18px}.page-kicker{display:inline-block;font-size:12px;font-weight:800;color:var(--muted);margin-bottom:8px}
.two-track{display:grid;grid-template-columns:1fr 1fr;gap:18px}.two-track .paper-card{min-height:240px}.two-track .paper-card:nth-child(odd){border-left:4px solid var(--gold)}.two-track .paper-card:nth-child(even){border-left:4px solid var(--sky)}
.long-roll{display:grid;gap:16px}.long-roll .roll-segment{display:grid;grid-template-columns:160px 1fr;gap:20px;align-items:start;padding:20px;background:var(--panel);border:1px solid var(--border);border-radius:22px}.long-roll .roll-segment:nth-child(even){grid-template-columns:1fr 160px}.long-roll .roll-segment:nth-child(even) .segment-title{order:2}.segment-title{font-size:18px;font-weight:800;color:var(--title)}
.fold-page{display:grid;grid-template-columns:1fr 1fr;gap:18px}.fold-page .fold-card:nth-child(3n){grid-column:1/-1}.fold-page .fold-card:nth-child(odd){background:#FFF8EE}.fold-page .fold-card:nth-child(even){background:#F3E8D4}
.single-flow{display:grid;gap:16px}.single-flow section{padding:22px 0;border-bottom:1px solid var(--border)}.single-flow section:last-child{border-bottom:0}.single-flow .image-slot{margin:10px 0 18px}
.timeline-three{display:grid;gap:18px}.timeline-three article{display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:start}.timeline-three .time-mark{padding:12px;border-radius:18px;background:var(--deep);font-weight:800;text-align:center}.timeline-three .time-copy{padding:20px;background:var(--panel);border:1px solid var(--border);border-radius:22px}
.status-page{display:grid;gap:12px}.status-card{padding:18px 20px;display:grid;grid-template-columns:1fr auto;gap:12px}.status-card h2{margin-bottom:6px}.status-card .status-label{align-self:start}
.checklist{display:grid;gap:14px}.checklist section{padding:20px 20px 20px 54px;position:relative;background:var(--panel);border:1px solid var(--border);border-radius:22px}.checklist section::before{content:"✓";position:absolute;left:20px;top:18px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--soft);font-weight:900;color:var(--title)}
.method-list{display:grid;gap:14px}.method-block{border-left:5px solid var(--gold)}.method-block:nth-child(2n){border-left-color:var(--sky)}
.topic-list{display:grid;gap:12px}.topic-item{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:start}.topic-item .topic-tag{font-weight:800;color:var(--title);background:var(--soft);padding:10px 12px;border-radius:14px;text-align:center}
.center-stack{display:grid;gap:16px;max-width:760px;margin:0 auto}.center-stack .center-card{text-align:left}.center-stack .center-card h2{text-align:center}.center-stack .image-slot{margin:0 auto 16px}.center-stack .btn-row{justify-content:center}
.terms{display:grid;gap:14px}.terms section{padding:20px 22px;background:var(--panel);border:1px solid var(--border);border-radius:22px}.terms h2{padding-bottom:10px;border-bottom:1px solid var(--border)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.contact-grid .notice-card{min-height:190px}
.about-values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.about-values .notice-card:nth-child(1){border-top:4px solid var(--coral)}.about-values .notice-card:nth-child(2){border-top:4px solid var(--gold)}.about-values .notice-card:nth-child(3){border-top:4px solid var(--mint)}.about-values .notice-card:nth-child(4){border-top:4px solid var(--violet)}
.site-footer{position:relative;background:var(--title);color:var(--page);font-size:13px;padding:34px 0 74px}.footer-rainbow{position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80% 100%)}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-brand span{color:#D9CFBF}.footer-logo{display:inline-flex;align-items:center;min-height:36px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}.footer-links section{display:flex;flex-direction:column;gap:5px}.footer-links h2{font-size:13px;color:#FFF8EE;margin:0 0 7px}.footer-links a{color:#E8DCC8}.footer-note{color:#D9CFBF;max-width:820px}.footer-copy{color:#BEB4A5;margin-bottom:0}
.screen-overlay{position:fixed;inset:0;z-index:880;background:rgba(42,36,24,.34);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,visibility .18s ease}.screen-overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}.no-scroll{overflow:hidden}
.site-drawer{position:fixed;z-index:900;right:18px;top:88px;width:300px;max-height:380px;background:var(--panel);border:1px solid var(--border);border-radius:22px;box-shadow:0 20px 60px rgba(42,36,24,.2);transform:translateY(-14px);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.site-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}.drawer-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 14px 0 16px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;min-width:0}.drawer-scroll{padding:12px 14px 18px;overflow:auto;max-height:320px}.drawer-scroll section+section{margin-top:14px}.drawer-scroll h2{font-size:13px;margin:0 0 6px;color:var(--muted)}.drawer-scroll a{display:grid;grid-template-columns:76px 1fr;gap:8px;padding:7px 0;border-bottom:1px dashed rgba(42,36,24,.08)}.drawer-scroll b{font-size:13px}.drawer-scroll span{font-size:12px;color:var(--muted)}.icon-close{width:44px;height:44px;border:0;background:transparent;font-size:24px;line-height:1;cursor:pointer}
.search-panel{position:fixed;z-index:895;left:0;right:0;top:78px;padding:10px 16px;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-card{width:min(720px,100%);margin:0 auto;background:var(--panel);border:1px solid var(--border);border-radius:22px;box-shadow:0 20px 60px rgba(42,36,24,.18);padding:18px}.search-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.search-head strong{font-size:16px}.search-head p{font-size:13px;color:var(--muted);margin:2px 0 10px}.search-label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}.search-card input{width:100%;height:44px;border-radius:14px;border:1px solid var(--border);background:#fff;padding:0 14px;color:var(--title);outline:none}.search-card input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(224,176,80,.18)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:0 13px;border-radius:999px;background:var(--soft);border:1px solid var(--border);font-size:13px}
.mobile-bottom{display:none}
a:hover,.plain-action:hover,.menu-button:hover,.icon-close:hover{filter:brightness(.96)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(224,176,80,.45);outline-offset:2px}
@media(max-width:760px){
  .top-strip-inner,.brand-bar-inner,.footer-inner,.site-main{width:calc(100% - 32px)}
  .bead-nav{display:none}.site-main{padding-top:104px;padding-bottom:86px}
  .brand-mark{max-width:44%}.brand-actions{gap:6px}.app-link,.menu-button{padding:0 10px}.top-strip-inner span{max-width:70%;overflow:hidden;text-overflow:ellipsis}
  .roll-notes,.double-notes,.fold-grid,.rack-cards,.period-strip,.points-grid,.two-track,.fold-page,.about-values,.contact-grid{grid-template-columns:1fr}.fold-page .fold-card:nth-child(3n){grid-column:auto}
  .status-row{grid-template-columns:1fr auto}.status-row>p{grid-column:1/-1;margin:0}.topic-item{grid-template-columns:1fr}.long-roll .roll-segment,.long-roll .roll-segment:nth-child(even){grid-template-columns:1fr}.long-roll .roll-segment:nth-child(even) .segment-title{order:0}.timeline-three article{grid-template-columns:1fr}.time-mark{text-align:left!important}.footer-links{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:84px}
  .site-drawer{right:6%;width:88%;top:82px;max-height:72vh}.drawer-scroll{max-height:calc(72vh - 58px)}
  .search-panel{top:0;bottom:0;padding:0;background:var(--title)}.search-card{height:100%;width:100%;border:0;border-radius:0;background:var(--title);color:var(--page);padding:86px 16px 18px}.search-head strong{color:var(--page)}.search-head p,.search-label{color:#D8CFBF}.search-card .icon-close{color:var(--page)}.search-card input{background:#FFF8EE}.search-presets a{background:#3B3428;color:#F7F0E4;border-color:rgba(255,255,255,.16)}
  .mobile-bottom{position:fixed;z-index:760;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(--panel);border-top:1px solid var(--border)}.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(--title);font-weight:800}
  .image-slot.standard-image{height:190px}.image-slot.banner-image{height:180px}.image-slot.app-image{height:280px}
}
@media(max-width:420px){.brand-mark{max-width:38%}.app-link,.menu-button{font-size:13px;padding:0 8px}.footer-links{grid-template-columns:1fr 1fr}.drawer-scroll a{grid-template-columns:70px 1fr}.section-card,.paper-card,.center-card,.notice-card,.method-block,.topic-item{padding:18px}}
.mini-index .mini-coral{background:var(--coral)}
.mini-index .mini-gold{background:var(--gold)}
.mini-index .mini-mint{background:var(--mint)}
.mini-index .mini-sky{background:var(--sky)}
.mini-index .mini-violet{background:var(--violet)}
.space-top{margin-top:18px}.space-top-sm{margin-top:14px}.btn-center{justify-content:center}.centered-head{text-align:center}.lead-center{margin-left:auto;margin-right:auto}
.mini-index a,.search-presets a{min-height:44px}
.btn-primary,.btn-secondary{min-height:44px}
.drawer-scroll a{min-height:44px;align-items:center}
.image-slot.icon-image img{width:48px;height:48px;object-fit:contain}
.drawer-brand{gap:9px}.footer-brand strong{font-size:14px;color:#FFF8EE}
@media(max-width:760px){.image-slot.banner-image{height:200px}}