*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#080A0D;color:#C7CDD5;font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:break-word}a{color:#8ED8FF;text-decoration:none}a:hover,a:focus-visible{color:#fff;text-decoration:underline}button{font:inherit;cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3{color:#F5F7FA;line-height:1.35;margin:0 0 18px}h1{font-size:34px}h2{font-size:26px}h3{font-size:20px}p{margin:0 0 16px}strong{color:#F5F7FA}main{min-height:65vh}section,article,aside,.container{min-width:0}.container{width:min(100% - 48px,1200px);margin-inline:auto}.brand-bar{height:74px;background:rgba(8,10,13,.96);border-bottom:1px solid rgba(255,255,255,.09);position:relative;z-index:30}.brand-inner{height:100%;width:min(100% - 48px,1200px);margin:auto;display:flex;align-items:center;justify-content:space-between;position:relative}.brand-logo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;max-width:43%}.brand-logo .media{height:36px;width:170px;max-width:100%;background:transparent;padding:0;border:0}.brand-logo img{max-height:36px}.menu-trigger{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;flex-shrink:0;color:#fff;border:1px solid #3a4350;background:#12161C;border-radius:11px}.menu-trigger span{display:block;width:20px;height:2px;background:#C7CDD5}.entry-btn{display:flex;align-items:center;justify-content:center;background:#5C7CFA;color:white!important;padding:0 17px;height:42px;border-radius:999px;font-size:14px;font-weight:700;flex-shrink:0}.entry-btn:hover{background:#6EA8FF;text-decoration:none}.channel-nav{height:48px;background:#0D1015;border-bottom:1px solid rgba(255,255,255,.09)}.channel-inner{width:min(100% - 48px,1200px);height:100%;margin:auto;display:flex;gap:22px;justify-content:space-between;align-items:stretch;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin}.channel-inner a{font-size:14px;color:#C7CDD5;display:flex;align-items:center;white-space:nowrap;flex:0 0 auto;padding:0 4px;border-bottom:2px solid transparent}.channel-inner a.active{color:#6EA8FF;border-bottom-color:#6EA8FF}.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.67);z-index:40;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,visibility .2s}.drawer-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-drawer{position:fixed;left:0;top:0;bottom:0;width:420px;max-width:86vw;background:#0D1015;z-index:41;overflow-y:auto;transform:translateX(-101%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;box-shadow:12px 0 40px #0009;padding:24px}.site-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-active{overflow:hidden}.drawer-heading{display:flex;align-items:center;justify-content:space-between}.drawer-logo{width:165px}.drawer-logo .media{height:38px;padding:0;border:0;background:transparent}.drawer-logo img{max-height:36px}.drawer-close{border:1px solid #3a4350;background:#171C23;color:white;border-radius:10px;font-size:26px;line-height:1;width:42px;height:42px}.drawer-desc{font-size:13px;color:#9098A3;margin:12px 0 24px}.drawer-group{margin-bottom:21px}.drawer-group h2{font-size:14px;color:#9098A3;border-bottom:1px solid #303641;padding-bottom:7px;margin-bottom:10px}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 10px}.drawer-links a{color:#C7CDD5;border-left:2px solid transparent;padding:5px 9px;font-size:14px}.drawer-links a.active{border-left-color:#6EA8FF;color:#6EA8FF;background:#171C23}.page-head{padding:54px 0 30px;border-bottom:1px solid rgba(255,255,255,.09);background:radial-gradient(ellipse at 86% 14%,#17253a 0,transparent 48%)}.eyebrow{font-size:12px;letter-spacing:2px;color:#8ED8FF;font-weight:700;text-transform:uppercase;margin-bottom:14px}.page-head p{max-width:820px;color:#AEB8C4}.breadcrumbs{font-size:13px;color:#9098A3;margin-bottom:16px}.breadcrumbs a{color:#9098A3}.hero{display:grid;grid-template-columns:56fr 44fr;gap:34px;align-items:center;padding:48px 0 24px}.hero h1{font-size:40px}.hero p{max-width:650px}.hero-actions{display:flex;gap:22px;flex-wrap:wrap;margin:24px 0}.hero-actions a{border-bottom:1px solid #6EA8FF}.media{width:100%;min-width:0;max-width:100%;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#0D1015;border:1px solid rgba(255,255,255,.09);border-radius:14px}.media img{display:block;width:100%;height:100%;max-width:100%;object-fit:contain;object-position:center center}.media-placeholder{background:linear-gradient(135deg,#12161C,#0D1015 56%,#171C23);position:relative}.media-placeholder:after{content:'';height:1px;width:35%;background:rgba(142,216,255,.12);position:absolute;transform:rotate(-28deg)}.media-square{aspect-ratio:1/1}.media-wide{aspect-ratio:16/9}.media-banner{aspect-ratio:16/7;max-height:250px}.media-device{aspect-ratio:9/16;max-height:350px}.media-hero{height:300px}.media-gif{height:150px}.media.logo-media{aspect-ratio:auto;max-height:36px;background:transparent}.media.logo-media img{object-fit:contain}.section{margin:52px auto}.section-head{margin-bottom:22px}.section-head p{color:#9098A3;max-width:750px}.grid{display:grid;gap:20px}.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.panel,.tile,.art-card{background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:21px;min-width:0}.panel p:last-child,.tile p:last-child{margin-bottom:0}.tile h3,.art-card h3{font-size:18px;margin:11px 0}.tile .num{font-size:13px;color:#6EA8FF}.tile .mini-link,.art-card a{font-size:14px}.art-card{padding:12px}.art-card .caption{padding:8px 5px 5px}.art-card .media{height:162px;aspect-ratio:auto}.art-card p{font-size:14px;line-height:1.65;color:#AEB8C4}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center}.split-65{grid-template-columns:65fr 35fr}.split .media{min-width:0}.feature-article{background:#0D1015;border-left:2px solid #5C7CFA;padding:16px 24px}.link-stack{display:grid;gap:12px}.link-stack a{display:block;background:#12161C;padding:13px 18px;border-left:2px solid #5C7CFA;border-radius:4px}.number-index{border-top:1px solid #313841}.index-row{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid #313841}.index-row h3{font-size:18px}.index-row p{font-size:15px}.index-num{font-weight:700;color:#6EA8FF;font-size:24px}.reading-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(220px,1fr);gap:42px;padding-top:38px;padding-bottom:48px;align-items:start}.reading-layout .main-reading{min-width:0}.lead{font-size:17px;color:#DCE5EE;line-height:1.9}.reading-section{margin:34px 0}.reading-section p{line-height:1.86}.inline-links,.related-links{display:flex;gap:10px 18px;flex-wrap:wrap;margin-top:15px}.inline-links a,.related-links a{font-size:14px;border-bottom:1px solid #334d7c}.sidebar{position:sticky;top:20px;background:#12161C;padding:23px;border-radius:13px;border:1px solid #282e36}.sidebar h2{font-size:19px}.sidebar a{display:block;padding:9px 0;border-bottom:1px solid #2a3039;font-size:14px}.related{border-top:1px solid #303641;padding-top:22px;margin-top:36px}.related h2{font-size:21px}.article-wide{max-width:920px}.note{padding:17px 22px;background:#171C23;border-left:3px solid #6EA8FF;border-radius:6px}.faq-list details{border-bottom:1px solid #343941;padding:15px 0}.faq-list summary{color:#F5F7FA;font-weight:bold;cursor:pointer}.faq-list details p{margin:10px 0}.footer{background:#050608;border-top:1px solid rgba(255,255,255,.09);padding:42px 0 18px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,minmax(0,1fr));gap:30px}.footer-grid h2{font-size:16px}.footer-grid a{display:block;font-size:14px;color:#C7CDD5;margin:5px 0}.footer-brand .media{width:170px;height:36px;padding:0;border:0}.footer-brand p{font-size:14px;color:#9098A3;max-width:320px;margin-top:16px}.footer-bottom{border-top:1px solid #252b33;padding-top:18px;margin-top:26px;color:#9098A3;font-size:13px}.back-top{position:fixed;right:22px;bottom:25px;width:42px;height:42px;opacity:0;visibility:hidden;pointer-events:none;background:#171C23;color:#fff;border:1px solid #536179;border-radius:50%;transition:opacity .2s;z-index:20}.back-top.visible{opacity:1;visibility:visible;pointer-events:auto}
@media(max-width:1000px){.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-layout{grid-template-columns:minmax(0,1fr) 230px;gap:24px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:768px){h1{font-size:26px}h2{font-size:22px}h3{font-size:18px}body{font-size:15px}.container,.brand-inner{width:calc(100% - 32px)}.brand-bar{height:62px}.channel-nav{height:44px}.channel-inner{width:100%;padding:0 16px;gap:24px;justify-content:flex-start}.brand-logo .media{height:28px;width:140px}.brand-logo img{max-height:28px}.menu-trigger{width:40px;height:40px}.entry-btn{height:38px;padding:0 13px;font-size:12px}.section{margin:34px auto}.page-head{padding:32px 0 22px}.hero{display:flex;flex-direction:column-reverse;align-items:stretch;gap:18px;padding:24px 0 6px}.hero h1{font-size:29px}.hero .media{height:195px}.split,.split-65,.reading-layout{grid-template-columns:1fr}.split.mobile-image-first .media{order:-1}.sidebar{position:static}.reading-layout{padding-top:22px}.footer-grid{gap:24px}.media-banner{max-height:140px}.media-gif{height:125px}.art-card .media{height:145px}.index-row{grid-template-columns:40px 1fr;gap:12px}.index-num{font-size:20px}.feature-article{padding:16px}.drawer-logo{width:140px}}@media(max-width:360px){.brand-logo{max-width:32%}.brand-logo .media{width:90px}.entry-btn{font-size:11px;padding:0 10px}.cols-2.quick-nav{grid-template-columns:1fr}.grid{gap:12px}.tile,.panel{padding:15px}.art-card .media{height:130px}.drawer-links{grid-template-columns:1fr 1fr}.site-drawer{padding:17px}}@media(max-width:340px){.cols-3,.cols-4{grid-template-columns:1fr}.brand-logo .media{width:78px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}