:root {
  --sand:#F7F0E4; --deep-sand:#E8DCC8; --paper:#FFF8EE; --soft:#F3E8D4;
  --ink:#2A2418; --text:#3A3428; --muted:#6A6458; --faint:#8A8478;
  --coral:#E07070; --gold:#E0B050; --mint:#70C090; --sky:#70A8D8; --violet:#A080D0;
  --border:rgba(42,36,24,.12); --accent-border:rgba(224,176,80,.50);
  --shadow:0 12px 28px rgba(42,36,24,.08);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--sand)}
body{margin:0;background:var(--sand);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",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%;object-fit:contain;object-position:center}
.shell{width:min(960px,calc(100% - 32px));margin:0 auto}
.skip-link{position:fixed;left:16px;top:-60px;z-index:200;background:var(--paper);border:1px solid var(--gold);padding:8px 12px;border-radius:10px}
.skip-link:focus{top:8px}
.top-rail{height:20px;position:fixed;z-index:90;top:0;left:0;right:0;background:var(--paper);color:var(--ink);font-size:12px;border-bottom:1px solid var(--border)}
.rail-inner{height:20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.plain-action{border:0;background:transparent;padding:0 6px;min-height:20px;cursor:pointer}
.site-header{height:54px;position:fixed;z-index:89;top:20px;left:0;right:0;background:var(--paper);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;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand-link,.drawer-brand,.footer-brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-logo{height:24px;width:auto;max-width:150px}
.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:8px}
.header-app,.drawer-button,.btn{min-height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:0 16px;font-size:14px;font-weight:700;border:1px solid var(--accent-border);white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.header-app{background:var(--soft)}
.drawer-button{background:linear-gradient(90deg,#E0B050 0%,#E07070 52%,#A080D0 100%);color:var(--ink);cursor:pointer}
.btn-primary{background:linear-gradient(90deg,#E0B050 0%,#E07070 52%,#A080D0 100%);color:var(--ink);border-color:transparent}
.btn-secondary{background:var(--paper);color:var(--ink);border-color:var(--gold)}
.header-app:hover,.drawer-button:hover,.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(42,36,24,.10)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(112,168,216,.45);outline-offset:2px}
.bead-nav{position:fixed;z-index:80;top:74px;left:0;right:0;height:50px;background:rgba(255,248,238,.97);border-bottom:1px solid var(--border);backdrop-filter:blur(8px)}
.bead-row{height:50px;display:flex;align-items:center;justify-content:center;gap:24px;overflow:hidden}
.bead-item{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);min-height:44px}
.bead-item.is-current{color:var(--ink);font-weight:800}
.bead{width:12px;height:12px;border-radius:50%;display:inline-block;box-shadow:inset 0 0 0 1px rgba(42,36,24,.08)}
.is-current .bead{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:#E8DCC8}.bead-rose{background:#E8B0B8}
.bead-decor{pointer-events:none}
.site-main{padding-top:148px;padding-bottom:40px}
.page-hero{padding:26px 0 18px}
.eyebrow{font-size:12px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin:0 0 6px}
h1,h2,h3{color:var(--ink);margin-top:0;line-height:1.3}
h1{font-size:24px;margin-bottom:12px}h2{font-size:20px;margin-bottom:10px}h3{font-size:16px;margin-bottom:6px}
p{margin:0 0 14px}.lead{font-size:16px;line-height:1.85;max-width:760px;color:var(--text)}
.muted{color:var(--muted)}
.section{margin:22px auto}.section + .section{margin-top:30px}
.panel{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.soft-panel{background:var(--soft);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.image-slot{display:flex;align-items:center;justify-content:center;background:var(--soft);border:1px solid var(--border);border-radius:20px;overflow:hidden;min-height:120px}
.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.hero-strip{height:200px}.horizontal-slot{height:156px}.app-slot{height:300px;max-width:420px;margin:0 auto}.icon-slot{width:76px;height:76px;border-radius:20px;margin:0 auto 14px}.icon-slot img{width:48px;height:48px}
.index-beads{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.index-beads a{display:inline-flex;align-items:center;gap:7px;background:var(--paper);border:1px solid var(--border);min-height:40px;padding:0 12px;border-radius:999px;font-size:13px}.index-beads span{width:11px;height:11px;border-radius:50%;display:inline-block}
.horizontal-scroll{display:grid;grid-template-columns:1fr;gap:16px;background:var(--paper);border:1px solid var(--border);border-radius:24px;padding:20px}.horizontal-scroll .copy{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.horizontal-scroll .copy div{padding:12px;border-radius:16px;background:var(--soft);min-width:0}.horizontal-scroll .copy p{font-size:13px;margin:0;color:var(--muted)}
.two-line-notes{display:grid;grid-template-columns:1.08fr .92fr;gap:16px}.note-card{background:var(--paper);border:1px solid var(--border);border-radius:24px;padding:20px}.note-card .image-slot{height:180px;margin-bottom:14px}
.fold-layout{display:grid;grid-template-columns:1fr 1fr;gap:14px;perspective:900px}.fold-card{position:relative;background:var(--paper);border:1px solid var(--border);border-radius:24px;padding:20px;box-shadow:var(--shadow)}.fold-card:first-child{transform:rotate(-.45deg)}.fold-card:last-child{transform:rotate(.45deg)}.fold-card .image-slot{height:160px;margin-bottom:14px}
.center-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.center-card{text-align:center;background:var(--paper);border:1px solid var(--border);border-radius:24px;padding:22px}.center-card .image-slot{height:170px;margin-bottom:14px}
.period-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period{border-top:4px solid var(--gold);background:var(--paper);border-radius:20px;padding:18px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);border-left:1px solid var(--border)}.period:nth-child(2){border-top-color:var(--mint)}.period:nth-child(3){border-top-color:var(--violet)}
.status-list{display:grid;gap:10px}.status-item{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:start;background:var(--paper);border:1px solid var(--border);padding:14px 16px;border-radius:16px}.status-label{font-weight:800;color:var(--ink)}
.product-center{text-align:center;background:var(--paper);border:1px solid var(--border);border-radius:26px;padding:24px}.product-center .product-copy{max-width:720px;margin:18px auto 0;text-align:left}
.long-copy{display:grid;gap:16px}.long-copy section{background:var(--paper);border:1px solid var(--border);border-radius:20px;padding:20px}.long-copy section:nth-child(even){background:var(--soft)}
.method-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.method-flow article{background:var(--paper);border:1px solid var(--border);padding:18px;border-radius:20px}.method-flow strong{display:block;color:var(--ink);margin-bottom:6px}
.topic-list{display:grid;gap:12px}.topic-list article{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:start;background:var(--paper);border:1px solid var(--border);border-radius:22px;padding:18px}.topic-list .topic-name{font-weight:800;color:var(--ink);font-size:16px}
.memo-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.memo-list li{background:var(--paper);border-left:5px solid var(--gold);border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border);border-radius:0 16px 16px 0;padding:14px 16px}.memo-list li:nth-child(2n){border-left-color:var(--mint)}.memo-list li:nth-child(3n){border-left-color:var(--sky)}
.faq-list{display:grid;gap:12px}.faq-item{background:var(--paper);border:1px solid var(--border);border-radius:20px;padding:18px}.faq-item h2{font-size:16px;margin-bottom:8px}
.policy-sections{display:grid;gap:14px}.policy-sections section{background:var(--paper);border:1px solid var(--border);border-radius:20px;padding:20px}.policy-sections h2{border-bottom:1px solid var(--border);padding-bottom:8px}
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-cards article{background:var(--paper);border:1px solid var(--border);border-radius:20px;padding:20px}
.site-footer{position:relative;background:var(--ink);color:var(--sand);font-size:13px;padding:30px 0 70px;border-top:4px solid transparent;border-image:linear-gradient(90deg,var(--coral),var(--gold),var(--mint),var(--sky),var(--violet)) 1}.footer-top{display:grid;grid-template-columns:220px 1fr;gap:26px}.footer-brand{align-items:flex-start;flex-direction:column}.footer-brand strong{font-size:16px;color:#FFF8EE}.footer-brand span{color:#D8CCB8}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.footer-groups section{display:flex;flex-direction:column;gap:6px}.footer-groups h2{font-size:13px;color:#FFF8EE;margin:0 0 6px}.footer-groups a{color:#E8DCC8}.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:22px;padding-top:16px;color:#D8CCB8}.footer-note p:last-child{margin-bottom:0}
.overlay{position:fixed;inset:0;z-index:110;background:rgba(42,36,24,.32);opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.panel-open{overflow:hidden}
.site-drawer{position:fixed;z-index:120;right:16px;top:84px;width:min(300px,88vw);max-height:380px;background:var(--paper);border:1px solid var(--border);border-radius:22px;box-shadow:0 22px 60px rgba(42,36,24,.22);transform:translateY(-14px);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{height:58px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border)}.drawer-brand{font-size:14px}.close-button{min-height:40px;border:1px solid var(--border);background:var(--soft);border-radius:12px;padding:0 12px;cursor:pointer}.drawer-scroll{max-height:320px;overflow:auto;padding:10px 12px 16px}.drawer-scroll section{margin-bottom:14px}.drawer-scroll h2{font-size:13px;margin:0 0 6px;color:var(--muted)}.drawer-scroll a{display:grid;grid-template-columns:72px 1fr;gap:8px;padding:8px;border-radius:12px}.drawer-scroll a:hover{background:var(--soft)}.drawer-scroll strong{font-size:13px;color:var(--ink)}.drawer-scroll span{font-size:12px;color:var(--muted)}
.search-panel{position:fixed;z-index:121;top:78px;left:50%;width:min(720px,calc(100% - 32px));transform:translate(-50%,-14px);background:var(--paper);border:1px solid var(--border);border-radius:22px;box-shadow:0 22px 60px rgba(42,36,24,.22);padding:18px;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-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.search-head strong{font-size:18px;color:var(--ink)}.search-head p{font-size:13px;color:var(--muted);margin:2px 0 0}.search-label{display:block;font-size:12px;color:var(--muted);margin:14px 0 6px}.search-input{width:100%;min-height:44px;border:1px solid var(--accent-border);border-radius:14px;background:#FFFDF8;color:var(--ink);padding:0 14px}.search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-links a{min-height:40px;display:inline-flex;align-items:center;border:1px solid var(--border);background:var(--soft);border-radius:999px;padding:0 13px}
.mobile-bottom{display:none}
.accent-rule{height:4px;border-radius:999px;background:linear-gradient(90deg,var(--coral),var(--gold),var(--mint),var(--sky),var(--violet));margin:8px 0 18px;max-width:180px}
.inline-links{display:flex;flex-wrap:wrap;gap:8px}.inline-links a{border:1px solid var(--border);background:var(--paper);border-radius:999px;padding:7px 11px;font-size:13px}
.quote-line{border-left:4px solid var(--gold);padding:12px 16px;background:var(--paper);border-radius:0 16px 16px 0;color:var(--ink)}
@media (max-width:760px){
  .shell{width:min(100% - 32px,960px)}
  .bead-nav{display:none}.site-main{padding-top:96px;padding-bottom:78px}
  .header-inner{height:50px}.header-actions{gap:6px}.header-app,.drawer-button{padding:0 11px;min-height:44px}.brand-logo{max-width:110px}.brand-fallback{font-size:16px}
  .horizontal-scroll .copy{grid-template-columns:1fr 1fr}.horizontal-scroll .copy div:last-child{grid-column:1/-1}
  .two-line-notes,.fold-layout,.center-cards,.period-row,.method-flow,.contact-cards{grid-template-columns:1fr}
  .topic-list article{grid-template-columns:1fr;gap:6px}.status-item{grid-template-columns:1fr;gap:4px}
  .footer-top{grid-template-columns:1fr}.footer-brand{flex-direction:row;flex-wrap:wrap;align-items:center}.footer-groups{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:88px}
  .mobile-bottom{position:fixed;z-index:85;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--border)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a.is-current{background:var(--gold);color:var(--ink);font-weight:800}
  .site-drawer{right:6%;top:78px;width:88%;max-height:min(76vh,520px)}.drawer-scroll{max-height:calc(min(76vh,520px) - 58px)}
  .search-panel{inset:0;width:auto;transform:none;border-radius:0;background:var(--ink);color:var(--sand);padding:24px 18px 80px}.search-panel.is-open{transform:none}.search-head strong,.search-label{color:var(--sand)}.search-head p{color:#D8CCB8}.search-panel .close-button{background:#3A3428;color:var(--sand);border-color:rgba(255,255,255,.16)}.search-input{background:#FFF8EE}.search-links a{background:#3A3428;color:var(--sand);border-color:rgba(255,255,255,.14)}
}
@media (max-width:390px){.top-rail .rail-inner span{max-width:250px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-app,.drawer-button{font-size:13px;padding:0 9px}.footer-groups{grid-template-columns:1fr}.horizontal-scroll .copy{grid-template-columns:1fr}}

.mt-16{margin-top:16px}.mt-20{margin-top:20px}.center-actions{justify-content:center}

/* v2 content refresh */
.page-hero .lead{max-width:820px}.drawer-scroll section h2,.footer-groups section h2{letter-spacing:.04em}.topic-list article,.contact-cards article{background:#FFF8EE;border:1px solid rgba(42,36,24,.12);border-radius:20px;padding:20px}.topic-list,.contact-cards{display:grid;gap:16px}.policy-sections>section,.method-flow>section,.memo-list>section{border-bottom:1px solid rgba(42,36,24,.12);padding:22px 0}.policy-sections>section:last-child,.method-flow>section:last-child,.memo-list>section:last-child{border-bottom:0}.faq-item h2{margin-bottom:8px}