:root {
    --bg:#FFF7FA; --surface:#FFFFFF; --soft:#FFEAF2; --ink:#4A1630; --body:#5C2A3E;
    --muted:#8A4A62; --subtle:#B07A90; --brand:#E85A8B; --brand2:#FF7AA8; --deep:#C43B6E;
    --pale:#FFE1EC; --line:rgba(232,90,139,.16); --shadow:0 14px 34px rgba(196,59,110,.10);
    --radius:18px; --shell:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--bg);color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden} a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button,input{font:inherit} button{cursor:pointer} .shell{width:min(calc(100% - 32px),var(--shell));margin-inline:auto}.site-fixed-top{position:fixed;inset:0 0 auto 0;z-index:80}.sugar-core-line{height:18px;background:var(--deep);color:#fff;font-size:12px;line-height:18px}.core-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.core-search{height:18px;border:0;background:transparent;color:#fff;padding:0 4px;font-size:12px;line-height:18px}.sugar-box-bar{height:60px;background:#fff;border-bottom:1px solid var(--line)}.box-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-lockup{justify-self:start;display:inline-flex;align-items:center;min-height:44px}.brand-logo,.drawer-logo,.footer-logo{height:34px;max-width:210px;width:auto;object-fit:contain}.brand-text{font-weight:800;color:var(--ink);font-size:20px}.drawer-trigger{justify-self:center;min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:12px;background:var(--soft);color:var(--ink);font-weight:700}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:12px;background:linear-gradient(135deg,#FF7AA8 0%,#E85A8B 55%,#C43B6E 100%);color:#fff;font-weight:700}.sugar-tabs{height:40px;background:var(--soft);border-bottom:1px solid var(--line)}.tabs-inner{height:40px;display:flex;align-items:center;gap:8px;overflow:hidden}.tab-link{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:8px;color:var(--ink);font-size:14px;white-space:nowrap}.tab-link.is-active{background:var(--deep);color:#fff}.site-main{padding-top:142px;padding-bottom:28px;min-height:70vh}.page-hero,.section-card,.feature-card,.essay-card,.faq-item,.status-card,.step-card,.shelf-card,.note-card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.page-hero{padding:28px;margin-bottom:22px}.page-hero.compact{padding:24px}.page-hero h1,.section-heading h2,.section-card h2,.feature-card h2,.essay-card h2{margin:0;color:var(--ink);line-height:1.3}.page-hero h1{font-size:clamp(28px,4vw,32px)}.page-hero p{margin:12px 0 0}.eyebrow{display:inline-block;margin-bottom:8px;color:var(--deep);font-size:13px;font-weight:800;letter-spacing:.08em}.lede{font-size:17px;color:var(--body);max-width:840px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:12px;font-weight:700}.button-primary{background:linear-gradient(135deg,#FF7AA8 0%,#E85A8B 55%,#C43B6E 100%);color:#fff}.button-secondary{background:#fff;color:var(--deep);border:1px solid var(--line)}.home-banner{min-height:220px;max-height:300px;background:var(--soft);border-radius:18px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:18px}.home-banner img{width:100%;height:100%;max-height:300px;object-fit:contain;object-position:center}.banner-fallback{font-size:28px;font-weight:800;color:var(--ink)}.section-block{margin:24px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:0 0 12px}.section-heading p{margin:0;color:var(--muted)}.section-heading h2{font-size:24px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.feature-card,.section-card,.essay-card,.status-card,.step-card,.shelf-card,.note-card{padding:18px}.feature-card h3,.status-card h3,.step-card h3,.shelf-card h3,.note-card h3{margin:10px 0 6px;color:var(--ink);font-size:19px}.feature-card p,.status-card p,.step-card p,.shelf-card p,.note-card p{margin:0}.media-frame{width:100%;height:210px;border-radius:14px;background:var(--soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-frame img{width:100%;height:100%;object-fit:contain;object-position:center}.media-frame.banner-media{height:300px}.media-frame.app-media{height:420px}.media-placeholder{background:linear-gradient(135deg,#FFF 0%,#FFEAF2 100%)}.number-list{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px}.number-list li{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start;padding:12px 0;border-top:1px solid var(--line)}.number-list strong,.big-number{color:var(--brand);font-weight:900}.big-number{font-size:38px;line-height:1}.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:18px;align-items:start}.prose{display:grid;gap:16px}.prose .essay-card p{margin:10px 0 0}.prose .essay-card ul,.prose .essay-card ol{margin:10px 0 0;padding-left:1.25em}.editor-tag{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:8px;background:var(--pale);color:var(--deep);font-size:13px;font-weight:800}.status-pill{display:inline-flex;align-items:center;min-height:28px;padding:0 9px;border-radius:8px;background:var(--pale);color:var(--deep);font-weight:800;font-size:13px}.shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.shelf-card{min-height:260px;display:flex;flex-direction:column;justify-content:space-between}.shelf-card .shelf-mark{font-size:13px;color:var(--muted);font-weight:800}.faq-list{display:grid;gap:14px}.faq-item{padding:18px}.faq-item h2{font-size:19px;margin:0 0 8px;color:var(--ink)}.faq-item p{margin:0}.notice{padding:14px 16px;border:1px solid var(--line);background:var(--soft);border-radius:14px;color:var(--ink)}.site-overlay{position:fixed;inset:0;background:rgba(74,22,48,.28);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.site-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.site-drawer,.site-search{position:fixed;left:0;right:0;top:78px;z-index:100;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-10px);transition:.18s ease}.site-drawer.is-visible,.site-search.is-visible{visibility:visible;opacity:1;pointer-events:auto;transform:none}.drawer-shell,.search-shell{background:#fff;border:1px solid var(--line);border-radius:0 0 18px 18px;box-shadow:var(--shadow);max-height:52vh;overflow:auto}.drawer-head,.search-head{position:sticky;top:0;background:#fff;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}.close-button{min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--deep);font-weight:700}.drawer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:18px}.drawer-group h2{font-size:16px;color:var(--deep);margin:0 0 8px}.drawer-group a{display:block;padding:10px;border-radius:12px}.drawer-group a:hover,.drawer-group a:focus-visible{background:var(--soft);outline:none}.drawer-group strong{display:block;color:var(--ink)}.drawer-group span{display:block;color:var(--muted);font-size:13px;line-height:1.5}.search-shell{padding-bottom:18px}.search-head h2{margin:0;color:var(--ink);font-size:22px}.search-look{display:block;padding:16px 18px;color:var(--ink);font-weight:700}.search-look input{display:block;width:100%;margin-top:8px;min-height:46px;border:1px solid var(--line);border-radius:12px;padding:0 14px;color:var(--ink);background:#fff;outline:none}.search-look input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,90,139,.12)}.search-presets{display:flex;flex-wrap:wrap;gap:10px;padding:0 18px}.search-presets a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:12px;color:var(--deep);background:var(--soft)}.modal-open{overflow:hidden}.site-footer{background:var(--ink);color:#F8D6E4;margin-top:30px}.footer-inner{padding:34px 0 24px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-brand strong{display:block;color:#fff;font-size:21px}.footer-brand span{display:block;font-size:12px;letter-spacing:.08em}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.footer-groups h2{margin:0 0 8px;color:#fff;font-size:15px}.footer-groups a{display:block;padding:4px 0;color:#F8D6E4}.footer-note{margin:24px 0 8px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14)}.copyright{margin:0;color:#E8B8CB;font-size:13px}.mobile-bottom-nav{display:none}.button-primary:hover,.button-secondary:hover,.app-link:hover,.drawer-trigger:hover,.tab-link:hover,.core-search:hover{filter:brightness(.98)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(232,90,139,.35);outline-offset:2px}
@media (max-width:900px){.card-grid,.card-grid.four,.shelf{grid-template-columns:repeat(2,minmax(0,1fr))}.drawer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.split{grid-template-columns:1fr}}
@media (max-width:760px){.sugar-tabs{display:none}.site-main{padding-top:100px;padding-bottom:78px}.site-drawer,.site-search{top:78px}.drawer-shell,.search-shell{width:100%;max-height:68vh;border-radius:0}.box-inner{gap:8px}.brand-logo{height:30px;max-width:145px}.brand-text{font-size:18px}.drawer-trigger,.app-link{padding:0 10px;min-height:44px;font-size:14px}.core-brand{max-width:72vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.page-hero{padding:20px}.card-grid,.card-grid.two,.card-grid.four,.shelf{grid-template-columns:1fr}.drawer-groups{grid-template-columns:1fr}.media-frame{height:200px}.media-frame.banner-media{height:240px}.media-frame.app-media{height:360px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(74,22,48,.08)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--ink);font-size:13px}.mobile-bottom-nav a.is-active{background:var(--brand);color:#fff}.site-footer{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.section-heading{align-items:start;flex-direction:column;gap:4px}}
@media (max-width:420px){.shell{width:min(calc(100% - 32px),var(--shell))}.brand-logo{max-width:118px}.drawer-trigger,.app-link{padding:0 8px}.home-banner{min-height:180px}.page-hero h1{font-size:28px}}