*{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}a{color:#8ED8FF;text-underline-offset:4px;text-decoration-thickness:1px}a:hover{color:#F5F7FA}img{max-width:100%}button{font:inherit;cursor:pointer}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}ul{padding-left:22px}.container{width:min(100% - 48px,1200px);margin-inline:auto;min-width:0}main.container{padding-block:32px 60px}.brandbar{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 1200px)/2));background:rgba(8,10,13,.96);position:relative;border-bottom:1px solid rgba(255,255,255,.09)}.center-brand{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;justify-content:center;align-items:center;max-width:35vw}.center-brand img{height:36px;width:auto;object-fit:contain}.brand-fallback{font-size:22px;color:#F5F7FA;font-weight:bold;white-space:nowrap}.menu-toggle{border:1px solid rgba(255,255,255,.16);background:#12161C;color:#F5F7FA;border-radius:10px;display:flex;flex-direction:column;justify-content:center;gap:5px;align-items:center;width:44px;height:44px;z-index:1}.menu-toggle span{width:19px;height:2px;background:currentColor}.entry,.pill{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border:1px solid #5C7CFA;background:#1A2C58;color:#F5F7FA;border-radius:999px;text-decoration:none;padding:0 20px;font-size:14px;font-weight:600;white-space:nowrap;position:relative;z-index:1}.channels{background:#0D1015;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;border-bottom:1px solid rgba(255,255,255,.09)}.channel-inner{width:min(100%,1200px);min-width:max-content;margin:auto;display:flex;justify-content:space-between;align-items:stretch;height:48px}.channel-inner a{color:#C7CDD5;padding:9px 17px 7px;border-bottom:2px solid transparent;text-decoration:none;white-space:nowrap;font-size:14px}.channel-inner a:hover,.channel-inner a.active{color:#6EA8FF}.channel-inner a.active{border-bottom-color:#6EA8FF}.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.68);z-index:20;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,visibility .2s}.drawer-backdrop.open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;inset:0 auto 0 0;width:420px;max-width:86vw;z-index:21;background:#0D1015;overflow-y:auto;padding:24px;transform:translateX(-100%);visibility:hidden;pointer-events:none;transition:transform .25s,visibility .25s;box-shadow:10px 0 60px #0009}.drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-open{overflow:hidden}.drawer-top{display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid rgba(255,255,255,.09);padding-bottom:16px;margin-bottom:18px;gap:10px}.drawer-brand img{max-height:36px;width:auto;object-fit:contain}.drawer-brand p{font-size:13px;color:#9098A3;margin:4px 0 0}.drawer-close{background:#171C23;border:1px solid rgba(255,255,255,.16);color:#F5F7FA;border-radius:10px;width:40px;height:40px;font-size:25px;line-height:1}.drawer-group{margin:0 0 22px}.drawer-group h2{font-size:15px;color:#9098A3;margin-bottom:8px}.drawer-group>div{display:grid;grid-template-columns:1fr 1fr;gap:5px}.drawer-group a{color:#C7CDD5;text-decoration:none;padding:7px 10px;border-left:2px solid transparent;font-size:14px}.drawer-group a.active{color:#6EA8FF;border-left-color:#6EA8FF;background:#171C23}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;color:#8ED8FF;font-weight:bold}.lead{font-size:17px;color:#C7CDD5;max-width:820px}.hero,.split{display:grid;grid-template-columns:56fr 44fr;align-items:center;gap:34px;min-width:0}.hero{padding:26px 0 34px;border-bottom:1px solid rgba(255,255,255,.09)}.hero h1{font-size:40px}.split.equal{grid-template-columns:1fr 1fr}.split.reverse{grid-template-columns:44fr 56fr}.split>.media{min-width:0}.section{margin-top:52px;min-width:0}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px}.section-head p{max-width:720px}.grid{display:grid;gap:20px}.grid2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid4{grid-template-columns:repeat(4,minmax(0,1fr))}.tile,.panel,.article-card{background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:20px;min-width:0}.tile h3,.article-card h3{font-size:18px;margin:8px 0 10px}.tile p,.article-card p{font-size:15px}.number{color:#6EA8FF;font-size:12px;letter-spacing:.1em;font-weight:bold}.index-list{padding:0;list-style:none;margin:0}.index-list li{padding:17px 0;border-top:1px solid rgba(255,255,255,.09);display:grid;grid-template-columns:46px 1fr;gap:16px}.index-list li p{font-size:15px}.index-list li h3{margin-bottom:8px}.media{background:#0D1015;border-radius:14px;width:100%;max-width:100%;min-width:0;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid rgba(255,255,255,.09)}.media img{display:block;width:100%;height:100%;max-width:100%;max-height:inherit;object-fit:contain;object-position:center center}.media-wide{aspect-ratio:16/9;max-height:320px}.media-square{aspect-ratio:1/1;max-height:210px}.media-banner{aspect-ratio:16/7;max-height:250px}.media-device{aspect-ratio:9/16;max-height:350px;width:min(100%,270px);margin:auto}.media-gif{aspect-ratio:16/9;max-height:180px}.media-placeholder{background:linear-gradient(125deg,#0D1015 0%,#171C23 47%,#0D1015 100%)}.card-media{margin-bottom:14px;max-height:175px}.article-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(220px,1fr);gap:32px;margin-top:26px;align-items:start}.article-body{min-width:0}.article-body h2{margin-top:32px}.article-body h3{margin-top:24px}.article-body p{line-height:1.9}.article-aside{position:relative;background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:20px}.article-aside h2{font-size:20px}.article-aside a{display:block;margin:8px 0}.page-heading{margin-bottom:26px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.09)}.page-heading h1{margin:10px 0}.related{margin-top:34px;padding:20px;background:#171C23;border-radius:14px}.related h2{font-size:20px}.related ul{display:flex;flex-wrap:wrap;gap:8px 30px}.notice{border-left:2px solid #6EA8FF;background:#12161C;padding:16px 20px;margin:20px 0}.faq-item{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.09)}.faq-item h2{font-size:20px;margin-bottom:8px}.site-footer{background:#050608;border-top:1px solid rgba(255,255,255,.09);padding:44px 0 28px}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:34px}.footer-grid h2{font-size:17px;margin-bottom:14px}.footer-grid a:not(.footer-brand){display:block;color:#C7CDD5;text-decoration:none;margin:6px 0;font-size:14px}.footer-brand img{max-height:36px;width:auto;object-fit:contain}.footer-grid p,.legal{font-size:13px;color:#9098A3}.legal{border-top:1px solid rgba(255,255,255,.09);margin-top:26px;padding-top:20px}.back-top{position:fixed;right:22px;bottom:22px;opacity:0;pointer-events:none;background:#1B2129;border:1px solid #5C7CFA;color:#F5F7FA;width:42px;height:42px;border-radius:50%;transition:opacity .15s}.back-top.visible{opacity:1;pointer-events:auto}a:focus-visible,button:focus-visible{outline:2px solid #8ED8FF;outline-offset:3px}@media(max-width:980px){.container{width:calc(100% - 40px)}.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr) 240px}.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{width:calc(100% - 32px)}main.container{padding:22px 0 42px}.brandbar{height:62px;padding:0 16px}.menu-toggle{width:40px;height:40px}.entry{height:38px;min-height:38px;padding:0 13px;font-size:12px}.center-brand img{max-height:28px}.brand-fallback{font-size:18px}.channel-inner{height:44px}.channel-inner a{padding:7px 14px}.hero,.split,.split.equal,.split.reverse,.article-layout{grid-template-columns:minmax(0,1fr);gap:22px}.hero h1{font-size:29px}.hero .media{order:-1;max-height:210px}.split.reverse .media,.split .media{order:-1}.section{margin-top:34px}.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}.media-wide{max-height:210px}.media-banner{max-height:140px}.media-gif{max-height:150px}.card-media{max-height:155px}.article-aside{position:static}.tile,.panel,.article-card{padding:16px}.footer-grid{gap:24px}}@media(max-width:430px){.center-brand{max-width:35vw}.center-brand img{max-width:100%;max-height:26px}.brand-fallback{font-size:16px}.entry{padding:0 10px;font-size:12px}.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}.media-wide{max-height:190px}.card-media{max-height:145px}.drawer{padding:18px}}@media(max-width:350px){.grid2,.grid3,.grid4{grid-template-columns:minmax(0,1fr)}.center-brand{max-width:32vw}.brand-fallback{font-size:14px}.entry{padding:0 8px;font-size:11px}.media-wide{max-height:175px}.footer-grid{grid-template-columns:minmax(0,1fr)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.drawer,.drawer-backdrop{transition:none}}