:root{--bg:#FAF8FF;--deep:#E8F2FA;--white:#fff;--sub:#EDE7F8;--title:#3D2F66;--text:#4A4560;--muted:#6B6580;--aux:#8A84A0;--lp:#C9B8F0;--dp:#6B5B95;--lb:#B7D6F0;--db:#3D6B8A;--border:rgba(107,91,149,.20);--shadow:0 14px 36px rgba(61,47,102,.10);--header:95px;--max:1180px}*{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",sans-serif;line-height:1.72;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(calc(100% - 32px),var(--max));margin-inline:auto}.site-header{position:fixed;z-index:50;top:0;left:0;right:0;background:var(--bg);box-shadow:0 4px 18px rgba(61,47,102,.05)}.frost-band{height:9px;background:linear-gradient(90deg,var(--lp),var(--lb));color:var(--title);font-size:10px}.frost-inner{height:9px;display:flex;align-items:center;justify-content:space-between;overflow:visible}.text-button{border:0;background:transparent;color:var(--title);font-weight:700;cursor:pointer;padding:0 4px;transform:translateY(10px);z-index:2}.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,.footer-logo{height:26px;max-width:180px;object-fit:contain;object-position:left center}.brand-fallback{font-weight:800;color:var(--title);font-size:21px}.harbor-actions{display:flex;gap:8px;align-items:center}.small-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border:1px solid var(--lb);border-radius:10px;background:var(--white);color:var(--title);cursor:pointer}.primary-mini{background:linear-gradient(135deg,var(--dp),var(--db));color:var(--bg);border-color:transparent}.harbor-tabs{height:34px;background:var(--bg);border-bottom:1px solid var(--border)}.tab-row{display:flex;gap:8px;align-items:center;height:100%}.tab-link{border:1px solid var(--border);padding:3px 10px;border-radius:4px;color:var(--title);line-height:24px}.tab-link.is-current{background:var(--dp);color:var(--bg);border-color:var(--dp)}.page-main{padding-top:calc(var(--header) + 28px);min-height:60vh}.hero,.section-card,.legal-section,.faq-item,.status-card,.feature-card{background:var(--white);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.hero{padding:28px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:30px;align-items:center}.eyebrow{margin:0 0 8px;color:var(--dp);font-weight:800;letter-spacing:.04em}.hero h1,.page-head h1{margin:.1em 0 .5em;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.25}.hero p{margin:0;color:var(--text)}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:10px;background:linear-gradient(135deg,var(--dp),var(--db));color:var(--bg);font-weight:700}.btn.secondary{background:var(--bg);color:var(--title);border:1px solid var(--lb)}.media-slot{min-height:180px;border-radius:14px;background:linear-gradient(135deg,var(--sub),var(--deep));display:flex;align-items:center;justify-content:center;padding:14px;overflow:hidden}.hero .media-slot{max-height:240px}.content-img{display:block;width:100%;height:100%;max-height:240px;object-fit:contain;object-position:center}.image-tall{max-height:420px;object-fit:contain}.fallback-title{color:var(--title);font-weight:800;font-size:20px}.home-stack,.content-stack{display:grid;gap:24px}.home-stack{padding-bottom:42px}.section-card,.legal-section{padding:24px}.section-card h2,.legal-section h2,.feature-card h2,.faq-item h2{color:var(--title);margin-top:0}.section-card p,.legal-section p{margin:.6em 0}.top-text-image{display:grid;gap:18px}.four-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.feature-card{padding:16px}.feature-card .media-slot{height:178px;margin-bottom:14px}.feature-card .content-img{max-height:175px}.feature-card p{margin:0}.split-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:24px;align-items:center}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.status-card{padding:16px;box-shadow:none}.status-card strong{color:var(--title);display:block;margin-bottom:6px}.page-head{padding:8px 0 18px}.page-head p{max-width:820px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px}.article-main{display:grid;gap:18px}.side-card{position:sticky;top:124px;align-self:start;background:var(--deep);border:1px solid var(--border);border-radius:14px;padding:18px}.side-card h2{font-size:19px;color:var(--title);margin-top:0}.side-card a{display:block;padding:8px 0;border-bottom:1px solid var(--border)}.prose h2{color:var(--title);font-size:22px;margin:1.3em 0 .45em}.prose h3{color:var(--dp);font-size:18px}.prose p{margin:.7em 0}.notice{background:var(--sub);border-left:4px solid var(--dp);padding:14px 16px;border-radius:0 10px 10px 0}.faq-list{display:grid;gap:14px}.faq-item{padding:20px;box-shadow:none}.faq-item h2{font-size:18px;margin-bottom:8px}.app-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(260px,.6fr);gap:26px;align-items:center}.app-grid .media-slot{min-height:320px}.site-footer{background:var(--title);color:#E8F2FA;padding:38px 0 calc(28px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:24px}.footer-brand h2{margin:.5em 0;color:#fff}.footer-brand h2 span{font-size:.7em;font-weight:500}.site-footer h3{color:#fff;margin-top:0}.site-footer nav a{display:block;padding:4px 0;color:#E8F2FA}.copyright{margin-top:28px;padding-top:16px;border-top:1px solid rgba(232,242,250,.2);font-size:14px}.overlay{position:fixed;inset:0;background:rgba(33,27,52,.38);z-index:70;opacity:0;pointer-events:none}.overlay.is-open{opacity:1;pointer-events:auto}.harbor-menu,.search-panel{position:fixed;z-index:80;left:0;top:61px;background:var(--bg);border:1px solid var(--border);box-shadow:var(--shadow);visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.2s ease}.harbor-menu.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.harbor-menu{width:320px;height:52vh;border-radius:0 0 12px 0;border-top:3px solid transparent;background:linear-gradient(var(--bg),var(--bg)) padding-box,linear-gradient(90deg,var(--lp),var(--lb)) border-box;overflow:auto}.drawer-head,.search-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.icon-close{width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--title);cursor:pointer;font-size:26px}.drawer-groups{padding:12px 16px 20px}.drawer-groups section+section{margin-top:16px}.drawer-groups h3{margin:0 0 6px;color:var(--title)}.drawer-groups a{display:block;padding:9px 0;border-bottom:1px solid var(--border)}.drawer-groups b,.drawer-groups span{display:block}.drawer-groups span{font-size:13px;color:var(--muted)}.search-panel{width:480px;border-radius:0 0 14px 0;padding-bottom:18px}.search-panel label{display:block;padding:16px 16px 8px;color:var(--muted)}.search-panel input{width:calc(100% - 32px);margin:0 16px 12px;padding:12px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--title)}.preset-links{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px}.preset-links a{border:1px solid var(--lb);border-radius:8px;padding:7px 10px;background:#fff;color:var(--title)}.mobile-nav{display:none}.btn:focus-visible,.small-btn:focus-visible,.tab-link:focus-visible,.icon-close:focus-visible,a:focus-visible,input:focus-visible,button:focus-visible{outline:3px solid rgba(61,107,138,.38);outline-offset:2px}.btn:hover,.small-btn:hover,.tab-link:hover,.site-footer a:hover{filter:brightness(.98);text-decoration:underline}.pill-row{display:flex;flex-wrap:wrap;gap:8px}.pill{border:1px solid var(--border);border-radius:8px;padding:7px 10px;background:var(--deep);color:var(--title)}@media(max-width:900px){.four-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.side-card{position:static}.hero,.split-section,.app-grid{grid-template-columns:1fr}.hero .media-slot{order:-1}}@media(max-width:680px){:root{--header:61px}.harbor-tabs{display:none}.page-main{padding-top:calc(var(--header) + 18px);padding-bottom:68px}.shell{width:min(calc(100% - 32px),var(--max))}.frost-band{height:9px}.harbor-bar{height:52px}.hero{padding:20px}.hero-actions{display:grid}.btn{width:100%}.four-grid,.status-grid{grid-template-columns:1fr}.feature-card .media-slot{height:170px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.harbor-menu{top:61px;width:calc(100% - 12px);height:62vh}.search-panel{top:61px;width:calc(100% - 12px)}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);z-index:60;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);height:calc(50px + env(safe-area-inset-bottom))}.mobile-nav a{min-height:50px;display:flex;align-items:center;justify-content:center;color:var(--title);font-size:14px}.mobile-nav a.is-current{background:var(--dp);color:var(--bg)}.site-footer{padding-bottom:calc(70px + env(safe-area-inset-bottom))}.brand-logo{max-width:130px}.small-btn{padding-inline:11px}.harbor-actions{gap:6px}}