@charset "UTF-8";
:root{--paper:#f7f7f2;--white:#fffefa;--ink:#162b3c;--muted:#526474;--line:#d8e1df;--teal:#137b77;--teal-dark:#0e5f61;--coral:#e77656;--yellow:#ead082;--radius:18px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.72}img{display:block;max-width:100%;height:auto}a{color:var(--teal-dark);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--coral)}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--coral);outline-offset:3px}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px;z-index:99}.skip:focus{left:12px}.site-header{background:var(--white);border-bottom:1px solid var(--line);position:relative;z-index:5}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:16px;font-weight:800;line-height:1.25}.brand img{width:48px;height:48px}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.12em;margin-top:4px}.nav{display:flex;align-items:center;gap:4px}.nav a{padding:10px 12px;border-radius:9px;color:var(--ink);text-decoration:none;font-size:14px;font-weight:600}.nav a:hover,.nav a[aria-current=page]{background:#e4f1ee;color:var(--teal-dark)}.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}.eyebrow{color:var(--teal-dark);font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.display{font-size:clamp(34px,4vw,56px);line-height:1.2;letter-spacing:-.035em;margin:12px 0 18px}.lead{font-size:17px;color:#3d5261;max-width:70ch}.section{padding:74px 0}.section-tight{padding:50px 0}.section-alt{background:#edf2ef}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-head h2,.section h2{font-size:clamp(27px,2.8vw,39px);line-height:1.28;letter-spacing:-.025em;margin:7px 0 12px}.section-head p{max-width:62ch;color:var(--muted);margin:0}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 21px;border-radius:10px;background:var(--teal);color:#fff;text-decoration:none;font-weight:700}.button:hover{background:var(--teal-dark);color:#fff}.button.secondary{background:transparent;color:var(--ink);border:1px solid #9dadaa}.button.secondary:hover{background:#e4f1ee}.button.coral{background:var(--coral);color:#fff}.text-link{font-weight:750;text-decoration:none;border-bottom:1px solid currentColor}.hero{padding:38px 0 42px;background:var(--white)}.hero-top{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(260px,.8fr);gap:34px;align-items:end}.hero-top p{margin:0 0 10px}.hero-actions{padding:20px 0 12px;border-top:2px solid var(--ink)}.hero-actions p{font-size:13px;color:var(--muted);margin-top:12px}.hero-bottom{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:24px;margin-top:30px}.hero-photo{background:#eae7df;border-radius:var(--radius);overflow:hidden}.hero-photo img{width:100%;height:330px;object-fit:cover}.hero-steps{display:flex;flex-direction:column;justify-content:stretch;border-top:1px solid var(--line)}.hero-steps a{display:grid;grid-template-columns:40px 1fr;gap:13px;padding:16px 5px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}.hero-steps a:hover{background:#edf5f3}.hero-steps span:first-child{color:var(--teal);font-weight:800}.hero-steps strong{display:block;font-size:18px}.hero-steps small{display:block;color:var(--muted);font-size:13px;margin-top:2px}.split{display:grid;grid-template-columns:1fr 1fr;gap:36px}.path{padding:23px 0;border-top:3px solid var(--teal)}.path:nth-child(2){border-color:var(--coral)}.path h3{font-size:24px;margin:4px 0 8px}.path p{color:var(--muted);margin:0 0 15px}.inline-links{display:flex;flex-wrap:wrap;gap:8px 20px}.device-index{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}.device-index a{padding:22px;border-right:1px solid var(--line);color:var(--ink);text-decoration:none;min-height:166px}.device-index a:last-child{border-right:0}.device-index a:hover{background:#e9f3f0}.device-index b{display:block;font-size:20px;margin:16px 0 5px}.device-index small{color:var(--muted);display:block;line-height:1.55}.index-n{font-weight:800;color:var(--teal);font-size:12px}.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(25px,5vw,70px);align-items:center}.feature.reverse .feature-media{order:2}.feature .feature-media{border-radius:var(--radius);overflow:hidden;background:#e7e8e2}.feature .feature-media img{width:100%;max-height:480px;object-fit:contain}.feature-copy h2{margin-top:8px}.feature-copy p{color:var(--muted)}.feature-copy ul{padding-left:20px;color:var(--muted)}.feature-copy li{margin:6px 0}.photo-banner{display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden;border-radius:var(--radius);background:var(--ink);color:#fff}.photo-banner img{width:100%;height:360px;object-fit:cover}.photo-banner .copy{padding:clamp(26px,5vw,60px);align-self:center}.photo-banner .copy p{color:#d5e4e5}.photo-banner a{color:#d8f2ea}.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.check-item{border-top:2px solid var(--teal);padding:16px 0}.check-item h3{margin:6px 0;font-size:20px}.check-item p{margin:0;color:var(--muted)}.news-group{border-top:2px solid var(--ink);padding-top:24px;margin-top:38px}.news-group-heading{display:flex;align-items:baseline;gap:20px;margin-bottom:19px}.news-group-heading span{color:var(--coral);font-weight:800}.news-group-heading h3{font-size:23px;margin:0}.news-group-heading p{margin:0;color:var(--muted)}.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.news-card{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden}.news-card img{width:100%;aspect-ratio:3/2;object-fit:cover}.news-card .body{padding:19px 22px 22px}.news-card h4{font-size:20px;line-height:1.45;margin:0 0 8px}.news-card h4 a{text-decoration:none;color:var(--ink)}.news-card p{color:var(--muted);margin:0 0 12px}.faq-layout{display:grid;grid-template-columns:280px 1fr;gap:50px}.faq-list{border-top:2px solid var(--ink)}.faq-item{border-bottom:1px solid var(--line);padding:17px 0}.faq-item h3{font-size:17px;margin:0 0 5px}.faq-item p{margin:0;color:var(--muted)}.page-hero{padding:55px 0 42px;background:var(--white);border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(34px,4vw,51px);line-height:1.25;margin:12px 0}.crumb{font-size:13px;color:var(--muted)}.crumb a{color:var(--muted)}.page-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:64px;padding:56px 0 78px}.content{min-width:0}.content h2{font-size:27px;line-height:1.35;margin:36px 0 13px}.content h3{font-size:20px;margin:24px 0 9px}.content p,.content li{color:#3b4f5c}.content li{margin:7px 0}.content .feature{margin:30px 0 55px}.content .feature-media img{max-height:350px}.sidebar{border-top:2px solid var(--teal);padding-top:18px}.sidebar h2{font-size:19px;margin:0 0 13px}.sidebar a{display:block;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none}.note{background:#e9f2ee;border-left:4px solid var(--teal);padding:16px 20px;border-radius:0 10px 10px 0}.article-hero-img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:16px}.article-nav{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:45px;padding-top:17px}.article-nav a{max-width:45%}.related{background:#edf2ef;padding:28px;border-radius:14px;margin-top:40px}.related h2{margin:0 0 12px;font-size:21px}.related a{display:block;margin:9px 0}.resource-list{display:flex;flex-wrap:wrap;gap:9px 16px;margin-top:16px}.resource-list a{font-size:14px}.cta-band{background:var(--teal-dark);color:#fff;padding:42px 0}.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-band h2{margin:0 0 6px;font-size:27px}.cta-band p{margin:0;color:#cce4e0}.cta-band .button{background:#fff;color:var(--teal-dark)}.site-footer{background:#132a3a;color:#d6e2e7;padding:42px 0 28px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.site-footer a{color:#d6e2e7}.site-footer h2{font-size:17px;color:#fff;margin:0 0 12px}.site-footer p{font-size:14px;margin:7px 0}.footer-links{display:grid;gap:7px}.footer-bottom{border-top:1px solid #38505c;margin-top:30px;padding-top:20px;font-size:13px;color:#a9c1c9}.anchor-target{scroll-margin-top:20px}.small-label{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--teal)}
@media(max-width:950px){.nav-toggle{display:block}.nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--white);padding:14px 20px 22px;border-bottom:1px solid var(--line);box-shadow:0 12px 20px #162b3c16}.nav.is-open{display:grid;grid-template-columns:repeat(3,1fr)}.hero-top{grid-template-columns:1fr}.hero-actions{padding-top:12px}.device-index{grid-template-columns:repeat(2,1fr)}.device-index a:nth-child(2){border-right:0}.device-index a:nth-child(-n+2){border-bottom:1px solid var(--line)}.page-layout{grid-template-columns:1fr}.sidebar{display:none}.faq-layout{grid-template-columns:1fr;gap:20px}}
@media(max-width:670px){.wrap{width:min(100% - 28px,var(--max))}.header-inner{min-height:68px}.brand{font-size:13px}.brand img{width:42px;height:42px}.nav{top:68px}.nav.is-open{grid-template-columns:1fr}.hero{padding:26px 0}.hero-bottom,.split,.feature,.photo-banner,.news-grid,.check-grid,.footer-grid{grid-template-columns:1fr}.hero-photo img{height:auto;aspect-ratio:4/3;object-fit:cover}.hero-steps{margin-top:6px}.section{padding:52px 0}.section-head{display:block}.feature.reverse .feature-media{order:0}.feature .feature-media img{max-height:420px}.photo-banner img{height:auto;aspect-ratio:16/9}.device-index{grid-template-columns:1fr}.device-index a{border-right:0;border-bottom:1px solid var(--line);min-height:auto}.device-index a:last-child{border-bottom:0}.news-group-heading{display:block}.news-group-heading h3{margin:5px 0}.page-layout{padding-top:34px}.page-hero{padding:35px 0}.cta-band .wrap{display:block}.cta-band .button{margin-top:18px}.footer-grid{gap:24px}.article-nav{display:block}.article-nav a{display:block;max-width:none;margin:12px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.icon{display:inline-block;width:27px;height:27px;vertical-align:middle;flex:none;margin-right:8px}.button .icon{width:19px;height:19px;filter:brightness(0) invert(1)}