:root{--ink:#17383b;--deep:#0d2b2f;--paper:#fbf7ef;--white:#fff;--muted:#667b7d;--line:#d7e0de;--sea:#2f8f8a;--sea2:#88c9c4;--coral:#e46f51;--gold:#d3a447;--shadow:0 14px 38px rgba(13,43,47,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}body.lock{overflow:hidden}a{text-decoration:none;color:inherit}button{font:inherit}img{display:block;max-width:100%}.shell{width:min(1080px,calc(100% - 36px));margin:0 auto}.ticker{height:28px;background:var(--deep);color:#eef8f6;font-size:12px}.ticker .shell{height:100%;display:flex;align-items:center;justify-content:space-between}.ticker .shell div{display:flex;gap:16px}.ticker a{color:#cfe7e4}.masthead{background:#fff;border-bottom:1px solid var(--line)}.mast-row{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center}.brand{display:flex;gap:10px;align-items:center}.brand img,.footer-brand img{height:32px;width:auto;object-fit:contain}.brand span{display:flex;flex-direction:column}.brand b{font-size:18px}.brand 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a.active{color:var(--ink);font-weight:700;border-bottom-color:var(--coral)}.page{padding:26px 0 70px}.crumb{display:flex;gap:8px;align-items:center;color:#799092;font-size:13px;margin-bottom:20px}.crumb a{color:var(--sea)}.crumb i{font-style:normal}.hero{background:var(--deep);color:#fff;border-radius:24px;padding:36px;display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;box-shadow:var(--shadow)}.hero h1{font-size:30px;line-height:1.25;margin:6px 0 14px}.hero p{font-size:15px;line-height:1.8;color:#d6e7e5;margin:0}.hero .kicker,.section-kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:700}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{min-height:42px;padding:0 17px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;border:1px solid var(--line);background:#fff;color:var(--ink);transition:.18s}.btn.primary{background:var(--coral);border-color:var(--coral);color:#fff}.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(13,43,47,.12)}.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--sea);outline-offset:2px}.media-box{min-height:180px;background:#f4eee4;border:1px solid rgba(255,255,255,.16);border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-box img{width:100%;height:100%;object-fit:contain;object-position:center}.media-hero{height:230px}.media-card{height:170px}.media-wide{height:210px}.media-tall{height:320px}.section{padding:38px 0;border-bottom:1px solid var(--line)}.section h2{font-size:23px;margin:4px 0 12px}.section h3{font-size:17px;margin:0 0 8px}.section p,.section li{font-size:15px;line-height:1.82}.section p{margin:0 0 14px}.section-intro{max-width:780px;color:var(--muted)}.cards3{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;margin-top:22px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 22px rgba(13,43,47,.05)}.card.accent{border-top:5px solid var(--coral)}.card.soft{background:#f2f8f6}.label{display:inline-block;font-size:12px;background:#edf6f4;color:var(--sea);padding:5px 9px;border-radius:999px;margin-bottom:10px}.label.hot{background:#fff0eb;color:#b64f38}.label.gold{background:#fff7e3;color:#8a641b}.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.split.reverse .media-box{order:2}.feature-list{display:grid;gap:14px}.feature{padding:18px 0;border-bottom:1px solid var(--line)}.feature:last-child{border-bottom:0}.feature small{color:var(--muted);font-size:12px}.feature h3{font-size:18px;margin:6px 0}.fact-panel{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}.fact-row{display:grid;grid-template-columns:140px 1fr;gap:22px;padding:18px 22px;border-bottom:1px solid var(--line)}.fact-row:last-child{border-bottom:0}.fact-row b{color:var(--sea)}.timeline{position:relative;margin-top:20px;padding-left:24px}.timeline:before{content:"";position:absolute;left:5px;top:3px;bottom:3px;width:2px;background:var(--line)}.timeline article{position:relative;padding:0 0 22px 16px}.timeline article:before{content:"";position:absolute;left:-24px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 4px #f7ded6}.timeline time{font-size:12px;color:var(--muted)}.long-copy{max-width:820px}.long-copy h2{margin-top:28px}.notice{background:#fff7e3;border-left:4px solid var(--gold);padding:16px 18px;border-radius:0 12px 12px 0}.app-icon{width:48px;height:48px;object-fit:contain;margin-top:12px}.mega-menu{position:fixed;left:0;right:0;top:28px;background:#fff;z-index:55;border-bottom:1px solid var(--line);box-shadow:0 18px 44px rgba(13,43,47,.18);transform:translateY(-110%);transition:.22s;pointer-events:none}.mega-menu.open{transform:translateY(0);pointer-events:auto}.menu-backdrop{position:fixed;inset:0;background:rgba(13,43,47,.35);z-index:50}.mega-head{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line)}.mega-head strong{font-size:19px}.mega-head button{border:0;background:#edf6f4;color:var(--ink);padding:9px 14px;border-radius:999px;cursor:pointer}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:22px 0 28px}.mega-grid h2{font-size:13px;color:var(--coral);margin:0 0 8px}.mega-grid a{display:flex;flex-direction:column;padding:9px 0}.mega-grid a span{font-size:12px;color:var(--muted);margin-top:3px}.footer{background:var(--deep);color:#d7e9e7;padding:36px 0 76px}.footer-top{display:grid;grid-template-columns:1fr 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@media(max-width:820px){.shell{width:calc(100% - 28px)}.mast-row{grid-template-columns:1fr auto;min-height:70px}.mast-copy{display:none}.mast-actions .top-btn:first-child{display:none}.brand img{height:28px}.hero{grid-template-columns:1fr;padding:26px 20px}.hero h1{font-size:26px}.media-hero{height:200px}.cards3{grid-template-columns:1fr}.split,.split.reverse{grid-template-columns:1fr}.split.reverse .media-box{order:0}.fact-row{grid-template-columns:1fr;gap:6px}.mega-grid{grid-template-columns:1fr 1fr;max-height:75vh;overflow:auto}.footer-top{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.page{padding-bottom:92px}.mobile-dock{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;height:calc(52px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);z-index:45}.mobile-dock a{display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted);position:relative}.mobile-dock a.active{color:var(--ink);font-weight:700}.mobile-dock a.active:before{content:"";position:absolute;top:0;left:25%;right:25%;height:3px;background:var(--coral)}}
@media(max-width:520px){.ticker .shell div a:first-child{display:none}.nav-row a{padding-left:12px;padding-right:12px}.mega-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.hero-actions{flex-direction:column;align-items:stretch}.btn{width:100%}}