*{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:inherit;text-decoration:none}a:hover{color:#8ED8FF}button{font:inherit}img{max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#F5F7FA;line-height:1.38}h1{font-size:clamp(28px,3.3vw,42px);letter-spacing:-.02em}h2{font-size:clamp(21px,2.2vw,27px)}h3{font-size:19px}p{margin-bottom:16px}p:last-child{margin-bottom:0}.wrap{width:min(1200px,calc(100% - 48px));margin-inline:auto}.reading{max-width:820px}.site-header{background:rgba(8,10,13,.96);position:relative;z-index:30;border-bottom:1px solid rgba(255,255,255,.09)}.topbar{height:74px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.menu-trigger{width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;border:1px solid rgba(255,255,255,.15);background:#12161C;border-radius:12px;cursor:pointer;justify-self:start}.menu-trigger span{width:19px;height:2px;background:#F5F7FA;border-radius:2px}.brand{height:42px;max-width:190px;display:flex;align-items:center;justify-content:center}.brand img{display:block;height:36px;width:auto;max-width:170px;object-fit:contain}.brand-text{font-size:23px;font-weight:800;white-space:nowrap;color:#F5F7FA}.enter-button{background:#5C7CFA;color:#fff!important;border-radius:999px;display:flex;align-items:center;justify-content:center;min-width:112px;padding:0 17px;height:44px;font-weight:700;font-size:14px;white-space:nowrap;justify-self:end}.enter-button:hover{background:#7390FF}.channel-bar{background:#0D1015;border-top:1px solid rgba(255,255,255,.06)}.channel-inner{height:46px;display:flex;align-items:stretch;gap:25px;overflow-x:auto;scrollbar-width:thin}.channel-inner a{display:flex;align-items:center;flex:none;white-space:nowrap;color:#C7CDD5;border-bottom:2px solid transparent;font-size:14px}.channel-inner a.active,.channel-inner a[aria-current=page]{color:#6EA8FF;border-color:#6EA8FF}.skip-link{position:absolute;top:-80px;left:16px;z-index:100;background:#5C7CFA;color:#fff;padding:9px}.skip-link:focus{top:8px}.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:40;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,visibility .2s}.site-drawer{position:fixed;inset:0 auto 0 0;width:min(420px,86vw);background:#0D1015;z-index:41;transform:translateX(-101%);visibility:hidden;pointer-events:none;transition:transform .23s,visibility .23s;border-right:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column}.drawer-open .drawer-backdrop{opacity:1;visibility:visible;pointer-events:auto}.drawer-open .site-drawer{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-top{padding:18px 21px;border-bottom:1px solid rgba(255,255,255,.09);display:flex;align-items:center;justify-content:space-between;min-height:72px}.drawer-brand{font-weight:800;color:#fff;font-size:21px}.drawer-brand img{max-height:38px;width:auto;object-fit:contain}.drawer-close{border:1px solid rgba(255,255,255,.14);border-radius:10px;background:#171C23;color:#fff;font-size:28px;width:40px;height:40px;line-height:1;cursor:pointer}.drawer-content{overflow-y:auto;padding:9px 24px 30px}.drawer-group{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.07)}.drawer-group h2{font-size:13px;letter-spacing:.1em;color:#9098A3;margin-bottom:9px}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:5px 8px}.drawer-links a{font-size:14px;line-height:1.5;padding:9px 10px;border-left:2px solid transparent;border-radius:3px}.drawer-links a.active{color:#6EA8FF;border-left-color:#6EA8FF;background:#171C23}.section{margin-block:48px}.hero{padding-top:40px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:32px}.hero h1{margin-bottom:22px}.eyebrow{font-size:13px;color:#8ED8FF;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:13px}.lead{font-size:17px;line-height:1.82;color:#C7CDD5}.text-link{color:#8ED8FF;font-weight:600;border-bottom:1px solid rgba(142,216,255,.3)}.link-row{display:flex;flex-wrap:wrap;gap:20px;margin-top:21px}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#0D1015;border:1px solid rgba(255,255,255,.09)}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-square{aspect-ratio:1/1}.media-wide{aspect-ratio:16/9}.media-banner{aspect-ratio:16/7}.media-device{aspect-ratio:9/16}.media-placeholder{background:linear-gradient(145deg,#12161C,#0D1015);border:1px solid rgba(255,255,255,.09)}.hero .media{max-height:330px}.banner-area .media{max-height:260px}.small-media .media{max-height:185px}.feature-media .media{max-height:260px}.mobile-figure .media{max-height:360px;max-width:205px;margin-inline:auto}.section-header{display:flex;justify-content:space-between;align-items:baseline;gap:15px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:23px;padding-bottom:13px}.section-header h2{margin:0}.section-header a{font-size:14px;color:#8ED8FF;white-space:nowrap}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.panel{min-width:0;border:1px solid rgba(255,255,255,.09);background:#12161C;border-radius:13px;padding:21px}.panel h3{margin-bottom:10px}.panel p{font-size:15px;color:#C7CDD5}.panel a{color:#8ED8FF}.article-split{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(230px,.85fr);gap:24px}.article-box{background:#0D1015;border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:27px;min-width:0}.article-box h2{margin-bottom:17px}.side-index{display:grid;gap:12px;align-content:start}.side-index a{padding:14px 16px;background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:10px;color:#C7CDD5}.side-index a:hover{color:#8ED8FF}.thumb-card{min-width:0;overflow:hidden;border:1px solid rgba(255,255,255,.09);background:#12161C;border-radius:13px}.thumb-card .media{border-radius:0;border:0;max-height:185px}.thumb-card .body{padding:15px 17px 18px}.thumb-card h3{font-size:17px;margin-bottom:7px}.thumb-card p{font-size:14px;margin:0}.number-list{list-style:none;margin:0;padding:0;counter-reset:topic}.number-list li{display:grid;grid-template-columns:46px minmax(0,1fr);gap:10px;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.09);counter-increment:topic}.number-list li:before{content:counter(topic,decimal-leading-zero);color:#6EA8FF;font-weight:700;font-size:17px}.number-list h3{margin:0 0 5px;font-size:18px}.number-list p{font-size:14px;margin:0 0 4px}.number-list a{color:#8ED8FF;font-size:14px}.muted{color:#9098A3}.notice{border-left:3px solid #6EA8FF;background:#12161C;padding:19px 22px;border-radius:0 12px 12px 0}.inner-hero{padding:44px 0 20px;border-bottom:1px solid rgba(255,255,255,.09)}.inner-hero h1{font-size:clamp(25px,3vw,35px);margin:0 0 16px}.inner-hero .lead{max-width:860px;margin:0}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:36px;margin-block:36px 54px}.article-main{min-width:0}.article-section{margin:0 0 37px}.article-section h2{margin-bottom:15px}.article-section p{line-height:1.84}.article-sidebar{align-self:start;background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:20px}.article-sidebar h2{font-size:18px}.article-sidebar a{display:block;border-top:1px solid rgba(255,255,255,.08);padding:12px 0;font-size:14px}.related{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;margin-top:37px}.related h2{font-size:20px}.related-links{display:flex;gap:12px;flex-wrap:wrap}.related-links a{border:1px solid rgba(255,255,255,.16);border-radius:9px;padding:8px 13px;color:#8ED8FF;font-size:14px}.editorial-pair{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}.category-grid .panel h2{font-size:20px;margin-bottom:10px}.category-grid .panel .mini-links{font-size:14px}.simple-list{padding-left:23px}.simple-list li{margin-bottom:12px}.faq-list{max-width:900px;margin:36px auto 60px}.faq-item{padding:21px 0;border-bottom:1px solid rgba(255,255,255,.1)}.faq-item h2{font-size:19px}.faq-item p{line-height:1.83}.site-footer{background:#050608;border-top:1px solid rgba(255,255,255,.09);padding-top:42px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:36px}.footer-grid h2{font-size:16px;margin-bottom:13px}.footer-grid a{display:block;font-size:14px;margin:6px 0}.footer-about a{display:inline-block}.footer-about img{max-height:36px;width:auto;object-fit:contain}.footer-about p{font-size:14px;color:#9098A3;margin-top:17px}.footer-bottom{padding:19px 0 25px;margin-top:35px;border-top:1px solid rgba(255,255,255,.09);display:flex;gap:22px;justify-content:space-between;align-items:center;font-size:13px;color:#9098A3}.footer-bottom p{margin:0;font-size:13px}.gif-display{max-height:210px}.pill{font-size:12px;font-weight:700;color:#8ED8FF;letter-spacing:.04em}.mobile-pair{display:grid;grid-template-columns:1.3fr .7fr;align-items:center;gap:30px}@media(max-width:980px){.wrap{width:min(1200px,calc(100% - 40px))}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.content-layout{grid-template-columns:minmax(0,1fr) 230px;gap:22px}}@media(max-width:767px){body{font-size:15px}.wrap{width:calc(100% - 32px)}.topbar{height:64px;gap:7px}.menu-trigger{width:40px;height:40px}.brand{max-width:130px}.brand img{height:28px;max-width:125px}.brand-text{font-size:18px}.enter-button{height:40px;min-width:86px;padding:0 11px;font-size:12px}.channel-inner{height:46px;gap:21px}.section{margin-block:34px}.hero{padding-top:24px}.hero-grid{display:flex;flex-direction:column-reverse;align-items:stretch;gap:22px}.hero .media{max-height:230px}.hero h1{font-size:29px}.lead{font-size:15px}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.article-split,.editorial-pair,.mobile-pair,.content-layout{grid-template-columns:minmax(0,1fr)}.article-box{padding:20px}.panel{padding:16px}.panel h3{font-size:17px}.small-media .media,.thumb-card .media{max-height:165px}.feature-media .media{max-height:195px}.banner-area .media{max-height:145px}.inner-hero{padding:31px 0 20px}.article-sidebar{display:none}.footer-grid{gap:21px}.footer-bottom{display:block}.footer-bottom p{margin-top:7px}.mobile-pair .mobile-figure{order:-1}.number-list li{grid-template-columns:36px minmax(0,1fr)}.section-header{align-items:flex-start}.section-header h2{font-size:21px}}@media(max-width:360px){.brand{max-width:105px}.brand img{max-width:100px}.brand-text{font-size:16px}.topbar{gap:4px}.enter-button{min-width:79px;padding-inline:8px;font-size:12px}.grid-3{grid-template-columns:1fr 1fr}.thumb-card .body{padding:12px}.thumb-card h3{font-size:16px}.thumb-card p{font-size:13px}.drawer-links{grid-template-columns:1fr 1fr;gap:1px}.hero h1{font-size:28px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.site-drawer,.drawer-backdrop{transition:none}}
