:root{--ink:#173238;--muted:#53686b;--teal:#3f8583;--teal-light:#e8f2ef;--paper:#f7f8f5;--white:#fff;--line:#d9e2de;--copper:#b7784c;--dark:#132d31;--radius:18px;--container:1220px}
*{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",system-ui,sans-serif;line-height:1.72}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:hover{color:var(--teal)}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--copper);outline-offset:3px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.24;letter-spacing:-.025em}h1{font-size:clamp(2.55rem,5vw,4.7rem);margin-bottom:24px}h2{font-size:clamp(2rem,3.4vw,3.25rem);margin-bottom:20px}h3{font-size:clamp(1.25rem,2vw,1.6rem);margin-bottom:12px}p{color:var(--muted)}.container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}.section{padding:90px 0}.section.compact{padding:64px 0}.section.alt{background:#fff}.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--teal);font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px}.eyebrow:before{content:"";width:27px;height:1px;background:currentColor}.lede{font-size:1.1rem;max-width:760px}.small{font-size:.9rem}.rule{border:0;border-top:1px solid var(--line);margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 23px;border-radius:100px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-weight:700;line-height:1.3;transition:transform .2s,background .2s}.btn:hover{transform:translateY(-2px);background:#28525a;color:#fff}.btn.secondary{background:transparent;color:var(--ink)}.btn.secondary:hover{background:#e9eeeb}.text-link{display:inline-flex;align-items:center;gap:9px;font-weight:800;color:var(--ink)}.text-link:after{content:"↗";font-size:1.05em;color:var(--teal)}.text-link:hover{color:var(--teal)}.kicker{color:var(--copper);font-size:.8rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.site-header{background:rgba(247,248,245,.96);border-bottom:1px solid var(--line);position:relative;z-index:5}.header-inner{width:min(calc(100% - 48px),var(--container));margin:auto;min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink);font-weight:800;letter-spacing:-.045em;font-size:1.22rem;white-space:nowrap}.logo img{width:46px;height:46px}.main-nav{display:flex;align-items:center;gap:clamp(15px,2vw,29px)}.main-nav a{font-size:.91rem;font-weight:650;color:#476064;white-space:nowrap}.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--ink)}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:8px;padding:8px 12px;color:var(--ink);cursor:pointer}.hero{padding:52px 0 0}.hero-top{display:grid;grid-template-columns:minmax(0,7fr) minmax(260px,3fr);gap:50px;align-items:end;padding-bottom:38px}.hero-copy h1{max-width:830px}.hero-copy p{max-width:670px}.hero-side{border-left:1px solid var(--line);padding-left:34px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.hero-photo{width:100%;height:clamp(240px,25vw,326px);object-fit:cover;object-position:center 66%;border-radius:18px}.hero-media{position:relative}.hero-caption{position:absolute;right:18px;bottom:18px;max-width:260px;padding:12px 16px;border-radius:10px;background:rgba(247,248,245,.93);font-size:.82rem;color:var(--ink);backdrop-filter:blur(8px)}.quick-links{display:flex;align-items:center;flex-wrap:wrap;gap:12px 34px;padding:22px 0;border-bottom:1px solid var(--line)}.quick-links a{font-weight:700;font-size:.9rem}.quick-links a:after{content:" ↗";color:var(--teal)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}.section-head p{max-width:670px;margin-bottom:0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.step{padding:28px 0;border-top:2px solid var(--ink)}.step .number{color:var(--copper);font-size:.82rem;font-weight:800;letter-spacing:.14em}.step h3{margin-top:24px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(35px,6vw,96px);align-items:center}.split.reverse .media-col{order:2}.split.reverse .text-col{order:1}.split p{max-width:570px}.image-frame{background:#e8eeeb;border-radius:var(--radius);overflow:hidden}.image-frame img{width:100%;height:auto}.device-frame{max-width:410px;margin:auto}.details-list{padding:0;margin:28px 0;list-style:none}.details-list li{padding:10px 0;border-top:1px solid var(--line);color:var(--muted)}.details-list li strong{color:var(--ink)}.feature-band{background:var(--dark);color:#f5faf7}.feature-band p,.feature-band li{color:#c5d5d0}.feature-band .eyebrow{color:#96c9bf}.feature-band .text-link{color:#fff}.feature-band .text-link:hover{color:#a2d6cc}.feature-band .details-list li{border-color:#355257}.feature-band .details-list strong{color:#fff}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.mini-grid>*{border-top:1px solid var(--line);padding-top:20px}.feature-band .mini-grid>*{border-color:#355257}.mini-grid h3{font-size:1.16rem}.news-layout{display:grid;grid-template-columns:23% 1fr;gap:clamp(35px,5vw,70px)}.news-index{padding-top:10px}.news-index h3{font-size:1rem;margin-bottom:19px}.news-index a{display:block;padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:.94rem}.news-index a:hover{color:var(--teal)}.news-list{min-width:0}.news-item{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(220px,.95fr);gap:30px;align-items:center;padding:25px 0;border-top:1px solid var(--line)}.news-item:last-child{border-bottom:1px solid var(--line)}.news-item h3{font-size:clamp(1.25rem,1.65vw,1.58rem)}.news-item p{font-size:.94rem}.news-media{width:100%;aspect-ratio:3/2;overflow:hidden;border-radius:12px}.news-media img{display:block;width:100%;height:100%;object-fit:cover}.news-item .text-link{font-size:.88rem}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}.qa{padding:22px 0;border-top:1px solid var(--line)}.qa h3{font-size:1.13rem}.qa p{margin:0}.link-paths{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.link-paths a{border-top:2px solid var(--teal);padding:22px 0;font-weight:800}.link-paths a span{display:block;color:var(--muted);font-size:.84rem;font-weight:400;margin-top:7px}.cta-strip{background:#dfeae5;padding:52px 0}.cta-strip .container{display:flex;justify-content:space-between;align-items:center;gap:28px}.cta-strip h2{font-size:clamp(1.5rem,2.4vw,2.3rem);margin-bottom:10px}.cta-strip p{margin:0}.footer{background:#102a2f;color:#d7e5df;padding:56px 0 32px}.footer p,.footer a{color:#b8cac5}.footer .logo{color:#fff}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}.footer-links{display:grid;gap:8px}.footer h3{font-size:1rem;color:#fff}.footer-bottom{border-top:1px solid #355057;margin-top:45px;padding-top:20px;font-size:.82rem;display:flex;flex-wrap:wrap;gap:8px 30px}.footer-bottom p{margin:0}.page-hero{padding:76px 0 55px;background:linear-gradient(140deg,#e8f0ec,#f8f8f4 65%)}.page-hero h1{max-width:920px}.page-hero p{max-width:800px;font-size:1.06rem}.breadcrumbs{display:flex;gap:9px;flex-wrap:wrap;font-size:.81rem;color:var(--muted);margin-bottom:26px}.breadcrumbs span:last-child{color:var(--ink)}.jump-nav{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.jump-nav a{border:1px solid #c7d9d2;padding:8px 17px;border-radius:50px;font-weight:700;font-size:.89rem}.platform{scroll-margin-top:30px}.platform+.platform{border-top:1px solid var(--line)}.platform-meta{color:var(--copper);font-weight:800;font-size:.8rem;letter-spacing:.13em;margin-bottom:12px}.info-note{background:var(--teal-light);border-left:3px solid var(--teal);padding:17px 20px;border-radius:0 9px 9px 0;color:var(--ink);font-size:.92rem}.article-body{max-width:830px;margin:auto}.article-body h2{font-size:1.75rem;margin:48px 0 16px}.article-body h3{font-size:1.2rem;margin:34px 0 12px}.article-body p,.article-body li{font-size:1.025rem;line-height:1.88}.article-body ul,.article-body 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@media(max-width:900px){.header-inner{min-height:72px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);padding:14px 24px 24px;border-bottom:1px solid var(--line);box-shadow:0 15px 25px #102a2f16;flex-direction:column;align-items:stretch;gap:0}.main-nav.open{display:flex}.main-nav a{padding:10px 0}.hero-top{grid-template-columns:1fr;gap:22px}.hero-side{border:0;padding:0}.hero-actions{margin-bottom:4px}.news-layout{grid-template-columns:1fr}.news-index{display:flex;align-items:center;flex-wrap:wrap;gap:8px 20px}.news-index h3{width:100%;margin:0}.news-index a{border:0;padding:4px 0}.intro-grid{grid-template-columns:1fr;gap:30px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>*:first-child{grid-column:1/-1}}
@media(max-width:680px){.container,.header-inner{width:min(calc(100% - 36px),var(--container))}.section{padding:62px 0}.section.compact{padding:48px 0}.hero{padding-top:38px}.hero-top{padding-bottom:24px}.hero-photo{height:auto;aspect-ratio:16/9}.hero-caption{position:static;max-width:none;border-radius:0;background:transparent;padding:9px 1px}.steps,.mini-grid,.faq-grid,.link-paths{grid-template-columns:1fr}.steps{gap:4px}.step{padding:24px 0}.step h3{margin-top:13px}.split,.split.reverse{grid-template-columns:1fr;gap:28px}.split.reverse .media-col,.split.reverse .text-col{order:initial}.split .media-col{order:2}.split .text-col{order:1}.section-head{display:block}.news-item{display:flex;flex-direction:column;align-items:stretch;gap:13px}.news-item .news-copy{display:contents}.news-item .kicker,.news-item h3,.news-item p{order:0;margin-bottom:0}.news-item .news-media{order:1}.news-item .text-link{order:2}.cta-strip .container{display:block}.cta-strip .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr;gap:32px}.footer-grid>*:first-child{grid-column:auto}.page-hero{padding:50px 0 35px}.article-links{display:block}.article-links a{display:block;margin-bottom:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}