:root{--paper:#f7f6f1;--surface:#fffefa;--ink:#1d303a;--muted:#5c6d70;--line:#dce1dd;--teal:#427974;--teal-dark:#2d625d;--orange:#d98463;--silver:#e9e7df;--radius:18px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.72;font-size:16px}img{display:block;max-width:100%;height:auto}a{color:var(--teal-dark);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}button{font:inherit}.wrap{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.skip{position:absolute;top:-80px;left:12px;background:var(--ink);color:white;padding:8px 16px;z-index:30}.skip:focus{top:12px}.site-header{background:rgba(255,254,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.header-inner{min-height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;min-width:0;color:var(--ink);font-weight:800;line-height:1.2;font-size:15px;letter-spacing:.01em}.brand:hover{text-decoration:none}.brand img{width:42px;height:42px;flex:none}.site-nav{display:flex;align-items:center;gap:23px;margin-left:auto}.site-nav a{color:var(--ink);font-size:14px;font-weight:650;white-space:nowrap}.site-nav a[aria-current=page]{color:var(--teal-dark)}.menu-toggle{display:none;border:1px solid var(--line);background:white;border-radius:10px;padding:6px 10px;margin-left:auto;color:var(--ink)}.eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--teal-dark);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.eyebrow:before{content:"";width:21px;height:2px;background:var(--orange)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.25rem,4.4vw,4.35rem);line-height:1.16;letter-spacing:-.045em;margin-bottom:24px}h2{font-size:clamp(1.7rem,3vw,2.75rem);line-height:1.26;letter-spacing:-.025em;margin-bottom:16px}h3{font-size:1.17rem;line-height:1.4;margin-bottom:10px}p{color:var(--muted)}.lead{font-size:1.08rem;max-width:68ch}.section{padding:84px 0}.section-tight{padding:56px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}.section-head p{max-width:65ch;margin-bottom:0}.section-head .text-link{flex:none}.soft{background:#eeefeb}.white{background:var(--surface)}.hero{padding:54px 0 0;background:linear-gradient(160deg,#f5f3ec 0%,#fffdf8 72%)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:5%;align-items:center}.hero-copy{padding:18px 0 40px}.hero-copy p{max-width:58ch}.hero-media{border-radius:26px 26px 0 0;overflow:hidden;background:#d6d9d6;align-self:end}.hero-media img{width:100%;height:auto}.hero-note{font-size:13px;border-left:3px solid var(--orange);padding-left:15px;margin-top:22px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:9px;font-size:14px;font-weight:750;line-height:1.2;text-align:center;text-decoration:none!important;transition:transform .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--orange);color:#231f1c}.btn-dark{background:var(--ink);color:white}.btn-ghost{border:1px solid #b8c5c2;color:var(--ink);background:transparent}.wayfinding{border-top:1px solid var(--line);background:var(--surface)}.wayfinding .wrap{display:grid;grid-template-columns:repeat(4,1fr)}.wayfinding a{padding:20px 14px;border-right:1px solid var(--line);font-size:13px;font-weight:700;color:var(--ink)}.wayfinding a:first-child{padding-left:0}.wayfinding a:last-child{border:0}.wayfinding span{color:var(--teal);margin-right:12px}.step-grid,.tri-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.step{border-top:2px solid var(--teal);padding-top:20px}.step .num{font-size:13px;color:var(--teal);font-weight:800}.step p{font-size:14px}.text-link{font-size:14px;font-weight:800;display:inline-flex;align-items:center;gap:8px}.text-link:after{content:"↗";font-size:16px}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.info-list{padding:0;margin:18px 0 0;list-style:none;border-top:1px solid var(--line)}.info-list li{padding:14px 0;border-bottom:1px solid var(--line);color:var(--muted)}.info-list strong{color:var(--ink)}.media-frame{overflow:hidden;border-radius:var(--radius);background:var(--silver)}.media-frame img{width:100%;height:auto}.media-caption{font-size:12px;color:var(--muted);margin-top:10px}.platform-block{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:7%;padding:42px 0;border-top:1px solid var(--line)}.platform-block.reverse .platform-visual{order:2}.platform-block .platform-visual{max-width:520px}.platform-block.portrait .platform-visual{max-width:390px;margin-inline:auto}.platform-block p{max-width:56ch}.platform-details{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0;padding:0;list-style:none}.platform-details li{border-left:2px solid #a3bbb7;padding-left:11px;color:var(--muted);font-size:13px}.platform-meta{font-size:12px;font-weight:800;color:var(--teal);letter-spacing:.12em}.index-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.index-list a{padding:18px;border:1px solid var(--line);border-radius:11px;background:var(--surface);font-weight:750;color:var(--ink);font-size:14px}.index-list a span{display:block;font-size:12px;color:var(--teal);margin-bottom:6px}.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.news-card{display:flex;flex-direction:column;padding:23px;border:1px solid var(--line);border-radius:16px;background:var(--surface);min-width:0}.news-card .category{color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.08em}.news-card h3{margin:12px 0;font-size:1.13rem}.news-card h3 a{color:var(--ink)}.news-card p{font-size:13px;line-height:1.72;flex:1}.news-media{width:100%;aspect-ratio:3/2;overflow:hidden;border-radius:12px;margin:10px 0 15px;background:var(--silver)}.news-media img{width:100%;height:100%;object-fit:cover}.faq-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:40px}.qa{padding:18px 0;border-top:1px solid var(--line)}.qa h3{font-size:15px}.qa p{font-size:14px;margin-bottom:0}.callout{padding:38px;border-radius:18px;background:#dfe9e4;display:flex;align-items:center;justify-content:space-between;gap:22px}.callout p{margin-bottom:0}.site-footer{background:#1d303a;color:#dfe7e6;padding:55px 0 25px}.site-footer p,.site-footer a{color:#cfdbd8}.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px}.footer-main h2{font-size:21px;color:white}.footer-main h3{font-size:14px;color:white}.footer-links{display:grid;gap:6px;font-size:13px}.footer-bottom{border-top:1px solid #3a5057;margin-top:38px;padding-top:18px;display:flex;gap:12px 25px;flex-wrap:wrap;font-size:12px}.footer-bottom p{margin:0}.subhero{padding:62px 0 48px;background:linear-gradient(140deg,#f0f1eb,#fffefa);border-bottom:1px solid var(--line)}.subhero h1{font-size:clamp(2.1rem,4vw,3.5rem);max-width:20ch}.subhero p{max-width:70ch}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:22px}.breadcrumb a{color:var(--muted)}.content-narrow{max-width:850px}.prose{font-size:16px}.prose h2{font-size:1.65rem;margin-top:42px}.prose h3{font-size:1.1rem;margin-top:28px}.prose p,.prose li{color:var(--muted)}.prose ul,.prose ol{padding-left:1.4em}.article-figure{margin:28px 0}.article-figure img{border-radius:14px;width:100%}.article-figure figcaption{font-size:12px;color:var(--muted);margin-top:8px}.article-nav{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:22px;margin-top:36px}.article-nav a{max-width:48%;font-size:14px;font-weight:700}.resource-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.resource-grid a{padding:8px 0;font-size:13px}.notice{font-size:13px;color:var(--muted);border-left:3px solid var(--orange);padding-left:14px}.pill-row{display:flex;gap:8px;flex-wrap:wrap}.pill-row a{font-size:13px;padding:7px 12px;border:1px solid var(--line);border-radius:20px;color:var(--ink);background:var(--surface)}.stack{display:grid;gap:18px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:30px}.mini-card{padding:22px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.mini-card p{margin-bottom:0;font-size:14px}.platform-long{padding:36px 0;border-bottom:1px solid var(--line)}.platform-long .check-grid{gap:35px}.platform-long .platform-visual{max-width:480px}.platform-long.portrait .platform-visual{max-width:310px;margin:auto}.platform-long h2{font-size:2rem}.platform-long dl{display:grid;grid-template-columns:130px 1fr;gap:10px 15px;font-size:14px}.platform-long dt{font-weight:800}.platform-long dd{margin:0;color:var(--muted)}.icon{width:22px;height:22px;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.small{font-size:13px}.home-detail{padding:25px;border-left:2px solid #abc5be;background:#f8faf6}.home-detail p:last-child{margin-bottom:0}@media(max-width:980px){.site-nav{gap:12px}.site-nav a{font-size:12px}.hero-grid{gap:25px}.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.index-list{grid-template-columns:repeat(2,1fr)}.resource-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:700px){.wrap{width:min(calc(100% - 32px),var(--max))}.header-inner{min-height:64px;flex-wrap:wrap}.brand{font-size:13px}.brand img{width:37px;height:37px}.menu-toggle{display:block}.site-nav{display:none;order:3;width:100%;margin:0;padding:0 0 16px;flex-direction:column;align-items:stretch;gap:0}.site-nav.open{display:flex}.site-nav a{padding:9px 0;font-size:14px;border-top:1px solid var(--line)}.section{padding:58px 0}.section-tight{padding:42px 0}.hero{padding-top:35px}.hero-grid,.check-grid,.platform-block,.two-col{grid-template-columns:1fr}.hero-copy{padding-bottom:10px}.hero-media{border-radius:16px 16px 0 0}.wayfinding .wrap{grid-template-columns:repeat(2,1fr)}.wayfinding a{padding:13px 7px!important;border-bottom:1px solid var(--line)}.step-grid,.tri-grid,.news-grid,.faq-grid{grid-template-columns:1fr}.platform-block.reverse .platform-visual{order:0}.platform-block{gap:20px;padding:28px 0}.platform-details{grid-template-columns:1fr}.section-head{display:block}.section-head .text-link{margin-top:12px}.news-card{padding:18px}.callout{display:block;padding:25px}.callout .btn{margin-top:17px}.footer-main{grid-template-columns:1fr 1fr}.footer-main>div:first-child{grid-column:1/-1}.resource-grid{grid-template-columns:repeat(2,1fr)}.platform-long .check-grid{grid-template-columns:1fr}.platform-long dl{grid-template-columns:1fr;gap:1px}.platform-long dd{margin-bottom:8px}}