:root{--bg:#FAF8FF;--deep:#E8F2FA;--card:#FFFFFF;--soft:#EDE7F8;--title:#3D2F66;--text:#4A4560;--muted:#6B6580;--aux:#8A84A0;--purple:#C9B8F0;--purple-deep:#6B5B95;--blue:#B7D6F0;--blue-deep:#3D6B8A;--border:rgba(107,91,149,.20);--shadow:0 14px 36px rgba(61,47,102,.10);--header-h:95px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.ui-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto}.site-header{position:fixed;z-index:60;top:0;left:0;right:0;background:var(--bg);box-shadow:0 4px 20px rgba(61,47,102,.06)}.frost-strip{height:9px;background:linear-gradient(90deg,var(--purple),var(--blue));overflow:visible}.frost-inner{height:9px;display:flex;align-items:center;justify-content:space-between;color:var(--title);font-size:11px;font-weight:700;position:relative}.brand-mini{transform:translateY(13px);z-index:2}.text-button{border:0;background:transparent;color:var(--title);font-weight:700;cursor:pointer;min-height:44px;padding:0 10px;transform:translateY(13px);z-index:3}.harbor-bar{height:52px;background:var(--bg);border-bottom:1px solid var(--border)}.harbor-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand-link{display:flex;align-items:center;min-height:44px}.brand-logo,.drawer-logo,.footer-logo{display:block;max-width:150px;height:26px;object-fit:contain;object-position:left center}.brand-fallback{font-size:21px;color:var(--title);font-weight:800;letter-spacing:.08em}.header-actions{display:flex;gap:8px;align-items:center}.header-button,.button,.quick-links a{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--blue);border-radius:10px;padding:9px 16px;background:var(--card);color:var(--title);font-weight:700;cursor:pointer}.primary-small,.button.primary{background:linear-gradient(135deg,var(--purple-deep),var(--blue-deep));color:var(--bg);border-color:transparent}.header-button:hover,.button:hover,.quick-links a:hover,.tab-link:hover{box-shadow:0 0 0 3px rgba(183,214,240,.5)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(61,107,138,.35);outline-offset:2px}.harbor-tabs{height:34px;background:var(--bg)}.tabs-inner{height:100%;display:flex;align-items:center;gap:8px}.tab-link{display:flex;height:28px;align-items:center;padding:0 12px;border:1px solid var(--border);color:var(--title);font-size:14px;font-weight:700}.tab-link.active{background:var(--purple-deep);color:var(--bg);border-color:var(--purple-deep)}.page-main{padding-top:calc(var(--header-h) + 34px);min-height:60vh}.section{padding:42px 0}.section.alt{background:linear-gradient(180deg,var(--deep),rgba(232,242,250,.45))}.eyebrow{color:var(--purple-deep);font-weight:800;letter-spacing:.14em;font-size:14px}.hero{display:grid;grid-template-columns:1.04fr .96fr;gap:36px;align-items:center;padding-top:48px}.hero h1,.page-hero h1{color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.3;margin:8px 0 16px}.hero p,.page-hero p{font-size:17px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.media-slot{background:linear-gradient(135deg,var(--soft),var(--deep));border:1px solid var(--border);border-radius:16px;display:flex;align-items:center;justify-content:center;min-height:180px;padding:14px;overflow:hidden}.media-slot.hero-media{aspect-ratio:16/9;max-height:240px}.media-slot img{width:100%;height:100%;max-height:190px;object-fit:contain;object-position:center}.hero-media img{max-height:212px}.slot-fallback{color:var(--title);font-weight:800;text-align:center;padding:24px}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.cards-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.card h2,.card h3,.section h2,.section h3,.page-hero h2{color:var(--title);line-height:1.35}.card h3{margin-top:14px}.card .media-slot{min-height:170px;padding:10px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-heading h2{margin:0}.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.split.reverse .media-slot{order:2}.prose{max-width:880px}.prose p{margin:0 0 15px}.prose h2{margin-top:30px}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}.status-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px}.status-card strong{display:block;color:var(--title);margin-bottom:6px}.link-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.link-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px;min-height:110px}.link-card strong{display:block;color:var(--title);font-size:18px}.note{background:var(--soft);border-left:4px solid var(--purple-deep);padding:14px 16px;border-radius:0 12px 12px 0}.page-hero{padding:48px 0 26px}.page-hero .inner{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}.page-hero .media-slot{min-height:190px}.page-hero .media-slot img{max-height:210px}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px}.side-note{position:sticky;top:145px;align-self:start;background:var(--deep);border:1px solid var(--border);border-radius:14px;padding:18px}.side-note h2{font-size:18px}.faq{display:grid;gap:14px}.faq article{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}.faq h2{font-size:18px;margin:0 0 8px}.site-footer{background:var(--title);color:#E8F2FA;padding:40px 0 70px}.footer-grid{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:28px}.footer-grid h2{font-size:16px;color:#E8F2FA}.footer-grid a{display:block;color:#E8F2FA;opacity:.9;padding:4px 0}.footer-brandline{display:flex;align-items:center;gap:12px}.footer-brandline span{display:block;font-size:12px;opacity:.8}.footer-brand p{max-width:430px;font-size:14px;opacity:.9}.footer-logo{filter:brightness(0) invert(1);max-width:120px}.footer-bottom{border-top:1px solid rgba(232,242,250,.22);margin-top:28px;padding-top:18px;font-size:14px}.overlay{position:fixed;z-index:75;inset:0;background:rgba(29,26,44,.42)}.overlay[hidden]{display:none}.harbor-drawer,.search-panel{position:fixed;z-index:80;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .18s ease,transform .18s ease}.harbor-drawer{left:0;top:61px;width:320px;height:52vh;background:var(--bg);border:1px solid var(--border);border-left:0;border-radius:0 0 12px 0;box-shadow:var(--shadow);transform:translateY(-12px);overflow:auto}.harbor-drawer.open,.search-panel.open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.drawer-head,.search-head{position:sticky;top:0;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:14px;border-top:3px solid transparent;border-image:linear-gradient(90deg,var(--purple),var(--blue)) 1;border-bottom:1px solid var(--border);z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-logo{max-width:100px;height:24px}.close-button{min-height:44px;border:1px solid var(--border);background:var(--card);color:var(--title);border-radius:10px;padding:8px 12px;cursor:pointer}.drawer-groups{padding:8px 14px 20px}.drawer-groups section{padding:8px 0}.drawer-groups h2{font-size:14px;color:var(--purple-deep);margin:6px 0}.drawer-groups a{display:block;padding:9px 8px;border-radius:8px}.drawer-groups a:hover{background:var(--soft)}.drawer-groups strong{display:block;color:var(--title)}.drawer-groups span{display:block;font-size:13px;color:var(--muted)}.search-panel{top:61px;left:max(16px,calc((100vw - 1180px)/2));width:480px;background:var(--bg);border:1px solid var(--border);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:0 16px 18px;transform:translateY(-12px)}.search-panel label{display:block;color:var(--muted);margin:14px 0 8px}.search-panel input{width:100%;height:46px;border:1px solid var(--border);border-radius:10px;background:var(--card);padding:0 12px;color:var(--text)}.quick-links{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.quick-links a{padding:8px;font-size:14px}.mobile-bottom{display:none}.app-showcase{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:center}.app-image .media-slot{min-height:360px}.app-image .media-slot img{max-height:420px}.icon-inline{width:64px;height:64px;object-fit:contain;vertical-align:middle;margin-right:10px}.legal-list{display:grid;gap:16px}.legal-list section{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px}.legal-list h2{margin-top:0;font-size:20px}
@media(max-width:900px){.cards-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-brand{grid-column:1/-1}.article-grid{grid-template-columns:1fr}.side-note{position:static}.link-list{grid-template-columns:repeat(2,1fr)}.status-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){:root{--header-h:61px}.harbor-tabs{display:none}.page-main{padding-top:61px;padding-bottom:58px}.brand-mini{max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero,.page-hero .inner,.split,.content-grid,.app-showcase{grid-template-columns:1fr}.hero{gap:22px}.hero .hero-media{order:2}.section{padding:32px 0}.cards-4{grid-template-columns:1fr}.status-grid{grid-template-columns:1fr 1fr}.link-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.site-footer{padding-bottom:88px}.harbor-drawer{top:61px;width:calc(100% - 12px);height:62vh;border-radius:0 0 12px 0}.search-panel{top:61px;left:6px;right:6px;width:auto}.quick-links{grid-template-columns:repeat(2,1fr)}.mobile-bottom{position:fixed;z-index:70;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:var(--card);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;color:var(--title);font-size:13px;font-weight:700}.mobile-bottom a.active{background:var(--purple-deep);color:var(--bg)}.ui-open .mobile-bottom{z-index:65}.header-actions{gap:6px}.header-button{padding:8px 11px}.brand-logo{max-width:120px}.hero h1,.page-hero h1{font-size:28px}.app-image .media-slot{min-height:280px}}
@media(max-width:420px){.shell{width:min(100% - 32px,1180px)}.status-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.frost-inner{font-size:10px}.brand-mini{max-width:128px}.header-button{font-size:14px;padding:8px 9px}.brand-logo{max-width:100px}}