:root{--bg:#F4FBFA;--deep:#E7F6F4;--card:#FFFFFF;--soft:#F7FCFB;--ink:#0E3A38;--text:#1C4A47;--muted:#3D6B68;--faint:#6A8E8B;--cyan:#1AA6A0;--cyan2:#7EDCD4;--cyan3:#0E6E6A;--coral:#E07A62;--amber:#E2B23A;--border:rgba(26,166,160,.28);--shadow:0 12px 28px rgba(14,58,56,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.site-header{position:fixed;z-index:80;top:0;left:0;right:0}.top-strip{height:16px;background:var(--cyan3);color:#F4FBFA;font-size:12px}.bar-inner{max-width:960px;height:100%;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:#F4FBFA;padding:0;cursor:pointer}.brand-bar{height:58px;background:#fff;border-bottom:2px solid var(--cyan)}.brand-inner{gap:16px}.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand img,.footer-brand img,.menu-brand img{height:28px;width:auto;object-fit:contain}.brand span,.footer-brand div{display:flex;flex-direction:column;line-height:1.1}.brand strong{font-size:16px;color:var(--ink)}.brand small,.footer-brand small{font-size:12px;color:var(--faint);margin-top:3px}.head-actions{display:flex;gap:8px;white-space:nowrap}.head-link{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer}.desktop-rail{height:42px;background:var(--deep)}.rail-inner{max-width:960px;height:42px;margin:auto;padding:0 16px;display:flex;align-items:center;gap:34px;position:relative}.rail-inner:before{content:"";position:absolute;left:16px;right:16px;top:20px;height:2px;background:var(--cyan)}.rail-inner a{position:relative;z-index:1;display:flex;align-items:center;gap:8px;background:var(--deep);padding-right:8px;color:var(--muted);font-size:13px}.rail-inner i{display:block;width:10px;height:10px;border-radius:50%;border:2px solid var(--cyan);background:var(--deep)}.rail-inner a.active{color:var(--cyan3);font-weight:700;text-shadow:0 0 14px rgba(26,166,160,.25)}.rail-inner a.active i{background:var(--cyan);box-shadow:0 0 0 4px rgba(126,220,212,.28),0 0 14px rgba(26,166,160,.45)}.page-shell{max-width:960px;margin:0 auto;padding:146px 16px 72px}.breadcrumb{font-size:13px;color:var(--faint);margin:10px 0 18px}.breadcrumb a{color:var(--cyan3)}h1,h2,h3{color:var(--ink);line-height:1.3;margin:0 0 12px}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted)}.eyebrow{font-size:13px;color:var(--cyan3);font-weight:700;letter-spacing:.04em}.btn{min-height:44px;padding:10px 18px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#7EDCD4 0%,#1AA6A0 52%,#0E6E6A 100%);color:#F4FBFA;font-weight:700;box-shadow:0 6px 16px rgba(26,166,160,.24);transition:filter .18s,box-shadow .18s,transform .18s}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--border)}.btn:hover,.rail-inner a.active:hover,.mobile-nav a:hover{filter:brightness(1.04);box-shadow:0 0 0 3px rgba(126,220,212,.50),0 10px 24px rgba(14,110,106,.24)}.btn:active,.head-link:active{filter:brightness(1.06);box-shadow:0 0 0 4px rgba(224,122,98,.36),0 0 22px rgba(26,166,160,.50)}a:focus-visible,button:focus-visible{outline:2px solid var(--cyan3);outline-offset:2px}.hero{padding:34px 0 26px;border-bottom:1px solid var(--border)}.hero 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img{width:100%;height:100%;object-fit:contain;object-position:center}.slot-wide{width:100%;height:160px}.slot-square{width:240px;height:160px;flex:0 0 240px}.slot-tall{width:240px;height:320px;flex:0 0 240px}.caption{font-size:13px;color:var(--faint);margin-top:8px}.stagger{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.stagger .card:nth-child(2){margin-top:52px}.horizontal{display:flex;gap:24px;align-items:center}.page-card{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center}.wrap-media{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}.wrap-media .copy{padding-top:10px}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.mini-list{display:grid;gap:12px}.mini-list article{padding:16px 0;border-bottom:1px dashed var(--border)}.mini-list article:last-child{border-bottom:0}.info-table{display:grid;grid-template-columns:160px 1fr;border-top:1px solid var(--border)}.info-table 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a{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.28)}.mobile-nav{position:fixed;z-index:90;bottom:0;left:0;right: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:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 20px rgba(14,58,56,.06)}.mobile-nav a{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}.mobile-nav a:hover,.mobile-nav a.active{color:var(--ink);border-top:2px solid var(--cyan);box-shadow:0 -5px 14px rgba(26,166,160,.18)}.horizontal,.wrap-media,.page-card,.split-note{display:grid;grid-template-columns:1fr}.slot-square,.slot-tall{width:100%;max-width:320px;margin:auto}.stagger,.content-grid{grid-template-columns:1fr}.stagger .card:nth-child(2){margin-top:0}.footer-grid{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:86px}.info-table{grid-template-columns:120px 1fr}}