:root{
  --bg:#e7f4f8;--bg-deep:#d7ecf2;--surface:#f3fafc;--surface-2:#eaf6f9;--ink:#163038;--text:#1f3c44;--muted:#4a6e78;--soft:#6a8c96;--blue:#7eb8e0;--cyan:#6ec9d4;--deep:#1a3a44;--green:#5a8a6a;--line:rgba(26,58,68,.14);--strong-line:rgba(110,201,212,.50);--shadow:0 12px 28px rgba(22,48,56,.08);--radius:12px;--max:1000px
}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.75 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}img{max-width:100%;display:block}.skip-link{position:fixed;left:12px;top:-60px;z-index:200;background:var(--surface);padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-head{position:fixed;z-index:80;left:0;right:0;top:0;box-shadow:0 6px 18px rgba(22,48,56,.05)}.mini-bar{height:20px;background:var(--deep);color:var(--surface);font-size:12px}.head-wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.mini-bar .head-wrap{height:20px;display:flex;align-items:center;justify-content:space-between}.plain-button{border:0;background:none;color:inherit;padding:0 4px;cursor:pointer}.brand-bar{height:58px;background:rgba(243,250,252,.96);border-bottom:1px solid var(--strong-line);backdrop-filter:blur(10px)}.brand-row{height:58px;display:flex;align-items:center;gap:18px}.brand-home{display:flex;align-items:center;min-width:120px;font-weight:800;color:var(--ink);font-size:17px}.brand-home img{height:24px;width:auto;object-fit:contain}.brand-note{color:var(--muted);font-size:13px;flex:1}.head-actions{display:flex;align-items:center;gap:8px}.soft-link,.menu-button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 14px;font-size:14px}.soft-link{border:1px solid var(--line);background:var(--surface)}.menu-button{border:1px solid var(--deep);background:var(--deep);color:var(--surface);cursor:pointer}.primary-nav{height:44px;background:rgba(243,250,252,.97);border-bottom:1px solid var(--line)}.nav-row{height:44px;display:flex;align-items:stretch;justify-content:center;gap:4px}.nav-row 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18px;border-radius:10px;font-weight:700;font-size:14px}.btn.primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:var(--ink)}.btn.secondary{background:var(--surface);border:1px solid var(--deep);color:var(--deep)}.media-slot{background:linear-gradient(145deg,var(--bg-deep),var(--surface));border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.wide-media{height:188px}.feature-strip{margin:18px 0 26px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:34px 0 14px}.section-title h2{margin:0;color:var(--ink);font-size:20px}.section-title p{margin:0;color:var(--soft);font-size:13px}.topic-list{display:grid;gap:12px}.topic-row{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;display:grid;grid-template-columns:120px 1fr auto;gap:16px;align-items:start;box-shadow:var(--shadow)}.topic-index{font-size:12px;color:var(--soft);letter-spacing:.12em}.topic-row h3{margin:0 0 6px;font-size:16px;color:var(--ink)}.topic-row p{margin:0;color:var(--muted)}.topic-row a{align-self:center;font-size:13px;color:var(--deep);font-weight:700}.split-story{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:stretch;margin:18px 0}.story-copy,.card,.note-block,.policy-section,.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}.story-copy h2,.story-copy h3,.card h2,.card h3,.note-block h2,.note-block h3,.policy-section h2,.policy-section h3{margin:0 0 8px;color:var(--ink)}.story-copy p,.card p,.note-block p,.policy-section p{margin:0 0 10px}.story-copy p:last-child,.card p:last-child,.note-block p:last-child,.policy-section p:last-child{margin-bottom:0}.square-media{min-height:230px}.tall-media{height:300px}.stack{display:grid;gap:14px}.notes-three{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.notes-three .note-block:first-child{grid-row:span 2}.notes-three .media-slot{height:160px;margin-bottom:12px}.center-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:820px;margin:0 auto}.center-cards .card{text-align:center}.center-cards .media-slot{height:170px;margin-bottom:14px}.phase-list{display:grid;gap:10px}.phase{display:grid;grid-template-columns:90px 1fr;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px}.phase strong{color:var(--ink)}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:110px 1fr auto;gap:16px;align-items:center;padding:15px 16px;background:var(--surface);border:1px solid var(--line);border-radius:10px}.status-tag{font-size:12px;font-weight:700;color:var(--deep);background:var(--surface-2);border:1px solid var(--strong-line);border-radius:999px;padding:4px 9px;white-space:nowrap}.check-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.check-item{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px}.check-item h3{margin:0 0 8px;color:var(--ink)}.method-list{counter-reset:steps;display:grid;gap:14px}.method-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 18px 18px 72px}.method-item:before{counter-increment:steps;content:counter(steps,decimal-leading-zero);position:absolute;left:18px;top:18px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--bg-deep);color:var(--deep);font-size:12px;font-weight:800}.method-item h2,.method-item h3{margin:0 0 6px;color:var(--ink)}.collection-list{display:grid;gap:14px}.collection-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;display:grid;grid-template-columns:1fr 180px;gap:18px;align-items:center}.collection-item h2,.collection-item h3{margin:0 0 8px;color:var(--ink)}.collection-item .media-slot{height:120px}.product-band{background:var(--deep);color:var(--surface);border-radius:16px;padding:26px;display:grid;grid-template-columns:1fr 240px;gap:24px;align-items:center}.product-band h2,.product-band h1{color:#f3fafc}.product-band p{color:#d7ecf2}.product-band .tall-media{background:rgba(243,250,252,.08);border-color:rgba(243,250,252,.2)}.icon-row{display:flex;align-items:center;gap:12px}.icon-slot{width:54px;height:54px;border-radius:12px;flex:none}.read-more{display:inline-flex;margin-top:8px;font-weight:800;color:var(--deep)}.banner-slot{height:200px;margin:14px 0 20px}.brand-panel{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:center}.brand-panel .media-slot{height:210px}.policy-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-list{display:grid;gap:12px}.faq-item h2{font-size:16px;margin:0 0 8px;color:var(--ink)}.faq-item p{margin:0;color:var(--muted)}.notice{border-left:3px solid var(--cyan);padding:14px 16px;background:var(--surface-2);border-radius:0 10px 10px 0;color:var(--muted)}.site-footer{background:#143038;color:#e7f4f8;border-top:1px solid rgba(110,201,212,.55);padding:34px 0 72px}.footer-wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.footer-brand img{height:24px;width:auto;object-fit:contain}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{font-size:16px}.footer-brand span{font-size:11px;letter-spacing:.08em;color:#b9dbe2}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:18px 0;border-top:1px solid 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var(--line)}.menu-brand{display:flex;gap:10px;align-items:center}.menu-brand img{height:24px;width:auto;object-fit:contain}.menu-brand div{display:flex;flex-direction:column}.menu-brand span{font-size:11px;color:var(--soft)}.close-button{min-height:40px;padding:0 14px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--deep);cursor:pointer}.menu-columns{width:min(var(--max),calc(100% - 32px));margin:auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:18px 0 24px}.menu-group h2{font-size:13px;color:var(--soft);margin:0 0 8px}.menu-group a{display:block;padding:8px 0;border-bottom:1px solid rgba(26,58,68,.08)}.menu-group strong{display:block;color:var(--ink);font-size:14px}.menu-group small{display:block;color:var(--muted);font-size:12px}.search-layer{position:fixed;z-index:101;left:0;right:0;top:78px;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{width:min(760px,calc(100% - 32px));margin:auto;background:var(--surface);border:1px solid var(--strong-line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.search-head{display:flex;justify-content:space-between;gap:18px}.search-head strong{color:var(--ink)}.search-head p{margin:4px 0 0;color:var(--muted);font-size:13px}.search-input-wrap{display:block;margin-top:14px}.search-input-wrap input{width:100%;min-height:46px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:0 14px;color:var(--ink)}.search-hint{font-size:13px;color:var(--muted)}.preset-links{display:flex;flex-wrap:wrap;gap:8px}.preset-links a{padding:7px 10px;border-radius:999px;background:var(--surface-2);border:1px solid 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@media(max-width:760px){.brand-note{display:none}.brand-row{gap:10px}.brand-home{min-width:0;flex:1}.soft-link,.menu-button{padding:0 11px}.primary-nav{display:none}.site-main{padding-top:78px;padding-bottom:74px}.page-intro{padding-top:26px}.split-story,.product-band,.brand-panel{grid-template-columns:1fr}.notes-three,.center-cards,.check-list,.policy-grid{grid-template-columns:1fr}.collection-item{grid-template-columns:1fr}.topic-row{grid-template-columns:1fr}.topic-row a{justify-self:start}.status-row{grid-template-columns:1fr}.phase{grid-template-columns:1fr}.menu-columns{grid-template-columns:1fr 1fr}.site-menu{top:20px;max-height:64vh}.search-layer{top:20px;bottom:0;background:var(--deep);padding-top:34px}.search-card{background:var(--deep);color:var(--surface);border-color:rgba(243,250,252,.2)}.search-head strong,.search-head p,.search-hint{color:var(--surface)}.search-head .close-button{background:transparent;color:var(--surface);border-color:rgba(243,250,252,.35)}.preset-links a{background:rgba(243,250,252,.08);color:var(--surface);border-color:rgba(243,250,252,.2)}.footer-links{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;z-index:85;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:rgba(243,250,252,.97);border-top:1px solid var(--line);box-shadow:0 -8px 20px rgba(22,48,56,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-bottom a.is-active{background:rgba(110,201,212,.32);color:var(--ink);font-weight:800}.site-footer{padding-bottom:90px}}
@media(max-width:520px){.head-wrap,.shell,.footer-wrap,.menu-top,.menu-columns{width:calc(100% - 32px)}.mini-bar .head-wrap{font-size:11px}.menu-columns{grid-template-columns:1fr}.home-lead{padding-left:14px}.brand-row{height:58px}.wide-media{height:170px}.square-media{min-height:190px}.tall-media{height:270px}.footer-links{grid-template-columns:1fr 1fr;gap:12px}.product-band{padding:20px}}