*:where(:not(svg,svg *)){box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#080A0D;color:#C7CDD5;font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.8}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:#8ED8FF}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid #8ED8FF;outline-offset:3px}img{display:block;width:100%;height:auto;max-width:100%;object-fit:contain;object-position:center}h1,h2,h3{color:#F5F7FA;line-height:1.38;margin:0 0 16px}h1{font-size:34px}h2{font-size:26px}h3{font-size:19px}p{margin:0 0 17px}ul{padding-left:1.5em}.wrap{width:min(1200px,calc(100% - 48px));margin-inline:auto;min-width:0}.skip-link{position:absolute;top:-100px;left:12px;background:#5C7CFA;color:white;padding:7px 15px;z-index:100}.skip-link:focus{top:10px}.site-header{background:rgba(8,10,13,.96);border-bottom:1px solid rgba(255,255,255,.09);position:relative;z-index:20}.topbar{height:76px;display:flex;align-items:center;gap:23px;min-width:0}.brand{display:flex;align-items:center;gap:9px;flex:0 0 218px;min-width:0}.brand-image{width:80px;height:37px;display:flex;align-items:center;min-width:0}.brand-image img{width:auto;height:auto;max-height:36px}.brand-type{color:#f5f7fa;font-weight:700;font-size:16px;letter-spacing:1px;white-space:nowrap}.brand-type small{display:block;letter-spacing:.7px;font-size:8px;color:#9098A3}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:clamp(13px,1.45vw,24px);flex:1;white-space:nowrap;font-size:14px}.desktop-nav a{padding:25px 0 23px;border-bottom:2px solid transparent}.desktop-nav a.active{color:#6EA8FF;border-bottom-color:#6EA8FF}.entry-link{flex:none;display:inline-flex;height:42px;align-items:center;justify-content:center;padding:0 19px;background:#5C7CFA;color:white;border-radius:999px;font-size:14px;font-weight:700;white-space:nowrap}.entry-link:hover{background:#7390FF;color:white}.menu-toggle{display:none}.quickbar{background:#10141A;border-bottom:1px solid rgba(255,255,255,.09)}.desktop-quick{height:45px;display:flex;align-items:center;gap:29px;font-size:14px;color:#A8B2C0}.mobile-quick{display:none}.site-main{padding-top:28px;padding-bottom:76px;min-height:60vh}.breadcrumbs{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:#9098A3;font-size:13px;margin:0 0 27px}.breadcrumbs a:hover{color:#8ED8FF}.breadcrumbs strong{font-weight:500;color:#C7CDD5}.page-intro{padding:32px 0 34px;border-bottom:1px solid rgba(255,255,255,.13);max-width:930px}.eyebrow,.section-no,.kicker{font-size:12px;letter-spacing:1.7px;color:#8ED8FF;text-transform:uppercase;font-weight:700}.page-intro h1{margin:17px 0 16px}.lead{max-width:790px;font-size:18px;color:#CBD4E0}.article-section{display:grid;grid-template-columns:74px minmax(0,820px);gap:16px;padding:33px 0;border-bottom:1px solid rgba(255,255,255,.09);align-items:start}.article-section .section-no{padding-top:9px}.section-copy{min-width:0}.section-copy h2{font-size:25px;margin:0 0 18px}.section-copy p{line-height:1.83;max-width:780px}.section-copy p:last-child{margin-bottom:0}.related{padding:33px 0 20px}.related h2{font-size:22px}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a,.text-link{display:inline-flex;border-bottom:1px solid rgba(142,216,255,.5);color:#8ED8FF;padding:4px 0}.related-links a{margin-right:20px}.figure{min-width:0;max-width:100%;margin:23px 0}.image-surface{border:1px solid rgba(255,255,255,.09);background:#0D1015;border-radius:13px;min-height:100px;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:12px;min-width:0}.image-surface img{width:auto;max-width:100%;max-height:235px;height:auto}.figure figcaption{font-size:13px;color:#9098A3;padding:8px 2px 0;line-height:1.7}.img-placeholder{width:100%;min-height:160px;background:linear-gradient(135deg,#141A23,#0D1015);border:1px solid rgba(255,255,255,.07);border-radius:10px}.media-inset{max-width:770px}.media-inset .image-surface img{max-height:245px}.split-feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:35px;margin:36px 0;padding:21px 0}.split-feature .figure{margin:0}.split-feature .section-copy p{margin-bottom:14px}.feature-copy h2{margin:14px 0}.feature-copy p{line-height:1.83}.tiles-visual{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:26px 0 40px}.tiles-visual .figure{margin:0}.tiles-visual .image-surface img{max-height:185px}.tiles-visual .img-placeholder{min-height:160px}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:28px 0 40px}.gallery-grid .figure{margin:0}.gallery-grid .image-surface img{max-height:300px}.gallery-grid .figure:first-child{grid-column:1/-1}.gallery-grid .figure:first-child .image-surface img{max-height:230px}.figure.device{max-width:270px;margin:auto}.figure.device .image-surface img{max-height:340px}.figure.gif .image-surface img{max-height:175px}.compare-table{width:100%;max-width:850px;border-collapse:collapse;margin:25px 0 35px;font-size:15px}.compare-table td,.compare-table th{padding:13px 15px;border-bottom:1px solid rgba(255,255,255,.13);text-align:left;vertical-align:top}.compare-table th{background:#12161C;color:#F5F7FA}.question-list{max-width:850px;margin:25px 0 40px}.question-list details{border-bottom:1px solid rgba(255,255,255,.12);padding:15px 0}.question-list summary{cursor:pointer;font-size:17px;color:#F5F7FA;font-weight:600}.question-list p{padding:14px 24px 0;margin:0}.index-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 35px;margin:20px 0 35px}.index-grid article{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.1)}.index-grid h2{font-size:21px}.index-grid p{font-size:15px}.index-grid .text-link{font-size:14px}.home-hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:32px;align-items:center;margin:20px 0 64px;min-width:0}.home-hero h1{font-size:40px;line-height:1.4;margin:12px 0 20px}.home-hero p{font-size:17px;line-height:1.85}.hero-media .image-surface{min-height:260px}.hero-media .image-surface img{max-height:295px}.hero-media .img-placeholder{min-height:270px}.hero-actions{display:flex;gap:22px;flex-wrap:wrap;font-size:15px;margin-top:18px}.hero-actions a{color:#8ED8FF;border-bottom:1px solid #5C7CFA}.home-section{margin:0 0 65px}.home-section h2{margin:10px 0 24px}.home-section>p{max-width:850px}.editorial-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.editorial-pair article{background:#12161C;padding:25px;border-radius:12px;border:1px solid rgba(255,255,255,.08)}.editorial-pair h3{font-size:20px}.editorial-pair p{font-size:15px}.editorial-pair a{color:#8ED8FF}.editorial-aside{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:36px}.editorial-aside .aside-note{border-left:1px solid rgba(142,216,255,.4);padding-left:24px}.aside-note article{margin:0 0 24px}.aside-note a{color:#8ED8FF}.home-note{padding:26px 30px;background:#12161C;border-left:3px solid #5C7CFA;border-radius:0 10px 10px 0}.home-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px}.home-index article{display:grid;grid-template-columns:36px 1fr;gap:14px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.09)}.home-index article span{color:#8ED8FF;font-size:13px}.home-index h3{margin:0 0 10px}.home-index p{font-size:15px}.site-footer{background:#050608;border-top:1px solid rgba(255,255,255,.1);padding-top:55px}.footer-layout{display:grid;grid-template-columns:1fr 1.3fr .9fr;gap:48px;padding-bottom:36px}.footer-brand>img{width:auto;max-width:135px;max-height:36px}.footer-brand h2{font-size:21px;margin:10px 0}.footer-brand p{font-size:14px;color:#9098A3}.site-footer h2{font-size:16px;margin-bottom:16px}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px 12px;font-size:13px;color:#AAB4C2}.footer-layout>nav:last-child .footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-layout nav p{font-size:13px;margin:20px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0 28px;display:flex;justify-content:space-between;gap:18px;font-size:12px;color:#9098A3}.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.65);z-index:70;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .2s}.site-drawer{position:fixed;inset:0 auto 0 0;width:min(390px,86vw);z-index:71;background:#0D1015;overflow-y:auto;visibility:hidden;pointer-events:none;transform:translateX(-102%);transition:transform .25s,visibility .25s;padding:16px 22px 30px}.drawer-open .site-drawer,.drawer-open .drawer-backdrop{visibility:visible;pointer-events:auto;opacity:1}.drawer-open .site-drawer{transform:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:14px}.drawer-logo{display:flex;align-items:center;gap:10px;font-weight:700}.drawer-logo img{width:auto;max-width:95px;max-height:30px}.drawer-close{background:none;border:0;color:#F5F7FA;font-size:28px;cursor:pointer}.drawer-home{display:block;margin-top:15px;padding:9px 0;color:#8ED8FF}.drawer-group{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.1)}.drawer-group h2{font-size:13px;color:#9098A3;margin-bottom:11px}.drawer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 12px}.drawer-links a{font-size:14px;padding:5px 0}.to-top{position:fixed;right:18px;bottom:18px;border:1px solid rgba(255,255,255,.2);border-radius:50%;width:42px;height:42px;background:#171C23;color:#fff;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .2s}.to-top.visible{opacity:1;pointer-events:auto}@media(max-width:1099px){.desktop-nav{gap:11px;font-size:13px}.brand{flex-basis:196px}.topbar{gap:13px}}@media(max-width:979px){.desktop-nav,.desktop-quick,.brand-type{display:none}.topbar{height:64px;justify-content:space-between;position:relative}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:40px;height:40px;border:1px solid rgba(255,255,255,.18);border-radius:10px;background:transparent;cursor:pointer;flex:none}.menu-toggle span{width:18px;height:2px;background:#C7CDD5}.brand{position:absolute;left:50%;transform:translateX(-50%);width:auto;flex:auto}.brand-image{width:auto;max-width:110px;height:30px}.brand-image img{max-width:110px;max-height:28px}.entry-link{margin-left:auto;height:40px;padding:0 13px}.mobile-quick{display:flex;align-items:center;height:44px;gap:26px;overflow-x:auto;scrollbar-width:none;white-space:nowrap;font-size:14px}.mobile-quick::-webkit-scrollbar{display:none}.mobile-quick a{flex:none}.footer-layout{grid-template-columns:1fr 1.5fr;gap:30px}.footer-layout>nav:last-child{grid-column:1/-1}.footer-layout>nav:last-child .footer-links{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:767px){.wrap{width:calc(100% - 40px)}.site-main{padding-top:18px;padding-bottom:48px}.page-intro{padding:20px 0}.page-intro h1{font-size:26px}.lead{font-size:16px}.article-section{grid-template-columns:1fr;gap:3px;padding:25px 0}.article-section .section-no{padding:0}.section-copy h2{font-size:21px}.split-feature,.home-hero,.editorial-aside,.editorial-pair{grid-template-columns:1fr}.home-hero{gap:20px;margin:12px 0 38px}.home-hero .hero-media{grid-row:1}.home-hero h1{font-size:30px}.hero-media .image-surface{min-height:180px}.hero-media .image-surface img{max-height:205px}.hero-media .img-placeholder{min-height:180px}.home-section{margin-bottom:38px}.home-section h2{font-size:23px}.editorial-pair{gap:12px}.editorial-pair article{padding:17px}.editorial-aside{gap:12px}.editorial-aside .aside-note{border-left:0;border-top:1px solid rgba(142,216,255,.4);padding:15px 0 0}.split-feature{gap:18px}.tiles-visual{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tiles-visual .image-surface img{max-height:155px}.tiles-visual .img-placeholder{min-height:125px}.gallery-grid{gap:12px}.gallery-grid .image-surface img{max-height:190px}.home-index,.index-grid{grid-template-columns:1fr}.footer-layout{grid-template-columns:1fr 1fr;gap:20px}.footer-layout>nav:nth-child(2){grid-column:1/-1;grid-row:2}.footer-layout>nav:last-child{grid-column:2;grid-row:1}.footer-links{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-layout>nav:last-child .footer-links{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.figure.gif .image-surface img{max-height:145px}.figure.device{max-width:220px}.figure.device .image-surface img{max-height:340px}.home-note{padding:18px}.compare-table{font-size:13px}.compare-table td,.compare-table th{padding:10px 8px}}@media(max-width:460px){.wrap{width:calc(100% - 32px)}.entry-link{height:38px;padding:0 11px;font-size:12px}.brand-image{max-width:95px}.brand-image img{max-width:95px}.topbar{gap:7px}.mobile-quick{gap:23px}.tiles-visual .image-surface{padding:6px}.tiles-visual figcaption{font-size:12px}.footer-layout{grid-template-columns:1fr}.footer-layout>nav:nth-child(2),.footer-layout>nav:last-child{grid-column:1;grid-row:auto}.footer-links,.footer-layout>nav:last-child .footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery-grid{grid-template-columns:1fr}.gallery-grid .figure:first-child{grid-column:auto}.home-hero h1{font-size:28px}}@media(max-width:340px){.brand-image{max-width:76px}.brand-image img{max-width:76px}.entry-link{padding:0 8px}.tiles-visual{grid-template-columns:1fr}.home-hero h1{font-size:27px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}