*{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;cursor:pointer}img{max-width:100%}.wrap{max-width:1200px;margin:0 auto;padding:0 24px}h1,h2,h3,h4{color:#F5F7FA;line-height:1.4;margin:0 0 16px}h1{font-size:38px;letter-spacing:-.04em}h2{font-size:26px}h3{font-size:19px}p{margin:0 0 16px}.skip-link{position:absolute;top:-120px;background:#5C7CFA;color:#fff;z-index:120;padding:10px}.skip-link:focus{top:0}.site-header{position:relative;z-index:30;background:rgba(8,10,13,.96);border-bottom:1px solid rgba(255,255,255,.09)}.topbar{height:74px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.menu-button{width:44px;height:44px;padding:13px 11px;display:flex;flex-direction:column;justify-content:space-between;background:#12161C;border:1px solid rgba(255,255,255,.16);border-radius:12px;color:#fff}.menu-button span{height:2px;width:100%;background:#F5F7FA;border-radius:2px}.brand{justify-self:center;display:flex;align-items:center;justify-content:center;height:46px;max-width:180px}.brand img{width:auto;max-width:174px;max-height:36px;object-fit:contain}.brand strong{font-size:25px;color:#fff;letter-spacing:.05em}.brand strong span{color:#6EA8FF}.enter-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;gap:9px;height:44px;padding:0 22px;background:#5C7CFA;color:white;border-radius:999px;font-size:14px;font-weight:700;white-space:nowrap}.enter-link:hover{background:#7390FF;color:white}.channels{background:#0D1015;border-top:1px solid rgba(255,255,255,.07)}.channel-inner{height:46px;display:flex;justify-content:center;gap:35px;align-items:stretch;overflow-x:auto;scrollbar-width:none}.channel-inner::-webkit-scrollbar{display:none}.channel-inner a{display:flex;align-items:center;white-space:nowrap;font-size:14px;border-bottom:2px solid transparent;color:#C7CDD5}.channel-inner a:hover,.channel-inner a.active{color:#6EA8FF;border-color:#6EA8FF}.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.65);z-index:59;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .22s,visibility .22s}.drawer{position:fixed;inset:0 auto 0 0;width:min(430px,86vw);background:#0D1015;z-index:60;overflow:auto;padding:20px 24px 30px;visibility:hidden;pointer-events:none;transform:translateX(-101%);transition:transform .22s,visibility .22s}.drawer-open .drawer-overlay,.drawer-open .drawer{visibility:visible;pointer-events:auto}.drawer-open .drawer-overlay{opacity:1}.drawer-open .drawer{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-heading{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.13);padding-bottom:10px;font-size:20px;font-weight:bold;color:#fff}.close-button{background:transparent;border:0;color:#F5F7FA;font-size:32px;width:42px;height:42px}.drawer-group{margin:20px 0}.drawer-group h2{font-size:13px;letter-spacing:.12em;color:#9098A3;margin-bottom:8px}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:3px 8px}.drawer-links a{padding:9px 10px;border-left:2px solid transparent;font-size:14px;border-radius:3px}.drawer-links a:hover,.drawer-links a.active{border-color:#6EA8FF;color:#6EA8FF;background:#171C23}.site-main{min-height:70vh}.section{padding-top:48px;padding-bottom:24px}.section-label{display:block;font-size:12px;letter-spacing:.15em;font-weight:700;color:#8ED8FF;margin-bottom:14px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head h2{margin:0}.section-head a,.text-link{color:#8ED8FF;font-size:14px}.hero{padding-top:45px;padding-bottom:28px;display:grid;grid-template-columns:54fr 46fr;align-items:center;gap:32px}.hero h1{font-size:42px}.hero p{max-width:620px;color:#C7CDD5}.hero .eyebrow{color:#8ED8FF;font-size:12px;font-weight:700;letter-spacing:.12em}.hero-actions{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px}.hero-actions a{border-bottom:1px solid #6EA8FF;padding-bottom:5px;color:#F5F7FA}.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-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#12161C 0%,#1B2538 50%,#0D1015 100%)}.media-placeholder:after{content:'';position:absolute;inset:18%;border:1px solid rgba(142,216,255,.12);border-radius:12px}.media-wide{aspect-ratio:16/9}.media-square{aspect-ratio:1/1}.media-banner{aspect-ratio:16/7}.media-device{aspect-ratio:9/16}.hero .media{max-height:340px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{border:1px solid rgba(255,255,255,.09);background:#12161C;border-radius:14px;padding:22px;min-width:0}.card h3{margin:0 0 9px}.card p{font-size:15px;color:#C7CDD5}.card .media{margin-bottom:14px}.card a.more{display:inline-block;margin-top:5px;color:#8ED8FF;font-size:14px}.index-card{padding:24px 22px;border-top:2px solid #304e85;background:#10141A}.index-card span{color:#8ED8FF;font-size:12px}.index-card h3{margin:7px 0}.index-card p{font-size:14px;margin:0 0 6px}.split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(240px,.65fr);gap:26px}.article-panel{background:#10141A;border:1px solid rgba(255,255,255,.09);padding:28px;border-radius:14px}.article-panel p{font-size:16px;line-height:1.85}.topic-list{display:grid;gap:10px}.topic-list a{display:block;padding:15px 18px;background:#151A21;border:1px solid rgba(255,255,255,.09);border-radius:10px}.topic-list a span{color:#6EA8FF;margin-right:12px}.line-list{list-style:none;padding:0;margin:0}.line-list li{padding:17px 0;border-bottom:1px solid rgba(255,255,255,.11)}.line-list li strong{display:block;color:#F5F7FA;font-size:17px}.line-list li p{margin:6px 0;font-size:14px}.line-list li a{color:#8ED8FF;font-size:14px}.number{color:#6EA8FF;font-size:13px;margin-right:12px}.muted{color:#9098A3}.article-hero{padding-top:46px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.1)}.article-hero .desc{max-width:850px;color:#AEB7C3}.reading-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(220px,1fr);gap:44px;padding-top:38px;padding-bottom:32px}.prose{min-width:0}.prose h2{margin:36px 0 14px;font-size:25px}.prose h2:first-child{margin-top:0}.prose p{line-height:1.85;margin-bottom:17px}.prose .media{margin:20px 0}.aside-nav{position:sticky;top:20px;align-self:start;background:#10141A;border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:20px}.aside-nav h2{font-size:18px}.aside-nav a{display:block;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:14px}.prose ul{padding-left:22px}.related{border-top:1px solid rgba(255,255,255,.09);padding-top:30px;padding-bottom:50px}.related-links{display:flex;gap:13px;flex-wrap:wrap}.related-links a{border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:7px 15px;color:#C7CDD5;font-size:14px}.banner .media{max-height:260px}.mobile-split{display:grid;grid-template-columns:1.4fr .6fr;gap:30px;align-items:center}.mobile-split .media{max-height:360px;width:min(210px,100%);margin:auto}.info-strip{padding:20px;border-left:3px solid #5C7CFA;background:#12161C;border-radius:8px}.faq details{border-bottom:1px solid rgba(255,255,255,.12);padding:17px 0}.faq summary{cursor:pointer;color:#fff;font-weight:bold}.faq details p{padding:12px 0 0}.gallery-card .media{height:170px;aspect-ratio:auto}.gallery-card{padding:12px}.gallery-card h3{font-size:17px;margin:12px 4px 6px}.gallery-card p{font-size:13px;margin:0 4px 8px}.site-footer{margin-top:42px;background:#050608;border-top:1px solid rgba(255,255,255,.1)}.footer-grid{padding-top:50px;padding-bottom:35px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:36px}.footer-grid h2{font-size:15px}.footer-grid a{display:block;font-size:14px;margin:7px 0}.footer-brand{font-size:23px;color:white;font-weight:bold}.footer-brand img{height:38px;object-fit:contain;object-position:left}.footer-grid p{font-size:14px;max-width:300px}.footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid rgba(255,255,255,.1);padding-top:17px;padding-bottom:24px;font-size:12px;color:#9098A3}.footer-bottom p{margin:0}.back-top{position:fixed;bottom:22px;right:22px;z-index:20;border:1px solid rgba(255,255,255,.2);background:#171C23;color:#fff;border-radius:10px;width:44px;height:44px;opacity:0;pointer-events:none;transition:opacity .2s}.back-top.visible{opacity:1;pointer-events:auto}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid #8ED8FF;outline-offset:3px}@media(max-width:980px){.channel-inner{justify-content:flex-start;gap:28px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-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))}.hero h1{font-size:36px}}@media(max-width:700px){.wrap{padding-left:16px;padding-right:16px}.topbar{height:64px}.menu-button{width:40px;height:40px;padding:12px 10px}.brand{max-width:120px}.brand img{max-width:120px;max-height:28px}.brand strong{font-size:21px}.enter-link{height:40px;padding:0 14px;font-size:12px}.enter-link span{display:none}.channel-inner{height:46px;gap:22px}.hero{display:flex;flex-direction:column-reverse;gap:22px;padding-top:24px}.hero .media{height:210px;aspect-ratio:auto}.hero h1{font-size:30px}.section{padding-top:33px;padding-bottom:14px}.section h2{font-size:22px}.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.grid-2,.split,.reading-layout,.mobile-split{grid-template-columns:1fr}.index-card,.card{padding:17px}.card h3{font-size:17px}.card p,.index-card p{font-size:14px}.gallery-card{padding:10px}.gallery-card .media{height:140px}.reading-layout{padding-top:23px}.article-hero{padding-top:30px}.article-hero h1{font-size:27px}.prose h2{font-size:21px}.prose p{font-size:15px}.aside-nav{position:static}.mobile-split .media{max-height:330px}.footer-grid{gap:24px}.footer-bottom{display:block}.drawer{padding:18px}.section-head{align-items:start}.section-head a{white-space:nowrap}}@media(max-width:370px){.brand img{max-width:95px}.brand strong{font-size:19px}.enter-link{padding:0 10px}.hero h1{font-size:28px}.grid-3,.grid-4{grid-template-columns:1fr 1fr}.gallery-card .media{height:125px}.card{padding:12px}.footer-grid{grid-template-columns:1fr 1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}