*{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-decoration:none}a:hover{text-decoration:underline;color:#fff}img{max-width:100%}button{font:inherit;cursor:pointer}.container{width:min(100% - 48px,1200px);margin-inline:auto}.site-head{background:rgba(8,10,13,.96);border-bottom:1px solid rgba(255,255,255,.09);position:relative;z-index:30}.topbar{height:74px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.menu-toggle{width:44px;height:44px;background:#171C23;border:1px solid rgba(255,255,255,.16);border-radius:12px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px}.menu-toggle span{width:18px;height:2px;background:#F5F7FA;border-radius:2px}.brand{display:flex;align-items:center;justify-content:center;height:44px;width:160px}.brand .media{height:36px;width:155px;background:transparent;border-radius:0}.brand img{object-fit:contain}.enter-btn{justify-self:end;display:inline-flex;align-items:center;justify-content:center;background:#5C7CFA;color:white;height:44px;min-width:108px;padding:0 20px;border-radius:999px;font-size:14px;font-weight:700;white-space:nowrap}.enter-btn:hover{background:#7390FF;text-decoration:none;color:white}.channel-scroll{background:#0D1015;overflow-x:auto;scrollbar-width:thin}.channel-list{display:flex;justify-content:center;gap:28px;min-width:max-content;height:46px;align-items:stretch}.channel{font-size:14px;color:#C7CDD5;display:flex;align-items:center;border-bottom:2px solid transparent;white-space:nowrap}.channel.active{color:#6EA8FF;border-bottom-color:#6EA8FF}.channel:hover{text-decoration:none}.drawer-overlay{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:420px;max-width:86vw;z-index:41;transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:transform .22s,visibility .22s;background:#0D1015;border-right:1px solid #2A3545;overflow-y:auto;overscroll-behavior:contain;box-shadow:12px 0 40px #0006}.drawer-open{overflow:hidden}.drawer-open .site-drawer{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-open .drawer-overlay{opacity:1;visibility:visible;pointer-events:auto}.drawer-header{display:flex;align-items:center;justify-content:space-between;padding:19px 22px;border-bottom:1px solid #242A34}.drawer-title{font-weight:800;font-size:23px;color:#F5F7FA}.drawer-title small{font-size:12px;color:#9098A3;font-weight:400;margin-left:8px}.menu-close{width:38px;height:38px;border-radius:10px;color:#fff;background:#171C23;border:1px solid #333;font-size:25px;line-height:1}.drawer-nav{padding:12px 22px}.drawer-group{padding:14px 0;border-bottom:1px solid #202630}.drawer-group strong{font-size:13px;color:#9098A3;letter-spacing:1px}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-top:8px}.drawer-links a{padding:7px 10px;border-left:2px solid transparent;border-radius:5px;color:#C7CDD5;font-size:14px}.drawer-links a.active{color:#6EA8FF;border-left-color:#6EA8FF;background:#141C28}.drawer-links a:hover{color:#fff;background:#1B2129;text-decoration:none}.drawer-note{padding:4px 22px 28px;font-size:12px;color:#9098A3}.hero{padding:44px 0 34px}.hero-layout{display:grid;grid-template-columns:54% 46%;gap:24px;align-items:center}.hero-copy{padding-right:22px}.eyebrow{display:block;color:#8ED8FF;font-size:12px;font-weight:700;letter-spacing:2px;margin-bottom:12px}.hero h1{font-size:42px;line-height:1.35;color:#F5F7FA;margin:0 0 17px}.lead{color:#C7CDD5;font-size:17px;line-height:1.85}.hero .media{height:310px}.text-links{display:flex;flex-wrap:wrap;gap:18px;margin:20px 0}.text-links a{font-size:14px}.section{padding:36px 0;border-top:1px solid rgba(255,255,255,.09)}.section-title{color:#F5F7FA;font-size:27px;line-height:1.35;margin:0 0 12px}.section-desc{color:#9098A3;margin:0 0 25px;max-width:850px}.split{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start}.split.equal{grid-template-columns:1fr 1fr}.panel,.article-card,.topic-card{background:#0D1015;border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:24px}.panel h3,.article-card h3,.topic-card h3{margin:0 0 12px;color:#F5F7FA;font-size:20px;line-height:1.4}.panel p,.article-card p,.topic-card p{margin:0 0 15px}.panel p:last-child,.article-card p:last-child{margin-bottom:0}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.topic-card{padding:21px}.topic-card p{font-size:15px}.topic-card a{font-size:14px}.visual-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.visual-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.visual-card{background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:12px;min-width:0}.visual-card .media{height:166px}.visual-card h3{margin:12px 4px 6px;font-size:17px;color:#F5F7FA}.visual-card p{font-size:14px;margin:0 4px 7px;line-height:1.65}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#0D1015}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-wide{aspect-ratio:16/9}.media-square{aspect-ratio:1/1}.media-banner{aspect-ratio:16/7}.media-device{aspect-ratio:9/16}.media-placeholder{background:linear-gradient(130deg,#0D1015,#171C23 55%,#0D1015);border:1px solid rgba(255,255,255,.07)}.story-list{list-style:none;counter-reset:story;padding:0;margin:0}.story-list li{counter-increment:story;display:grid;grid-template-columns:42px 1fr;gap:15px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.09)}.story-list li:before{content:counter(story,decimal-leading-zero);color:#6EA8FF;font-weight:700}.story-list h3{margin:0 0 4px;color:#F5F7FA;font-size:18px}.story-list p{margin:0 0 4px;color:#9098A3;font-size:14px}.story-list a{font-size:14px}.inline-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin:18px 0}.inline-links a{font-size:14px}.article-hero{padding:45px 0 20px}.article-hero h1{color:#F5F7FA;font-size:35px;line-height:1.4;margin:0 0 15px}.breadcrumbs{font-size:13px;color:#9098A3;margin-bottom:12px}.article-wrap{display:grid;grid-template-columns:minmax(0,800px) minmax(220px,1fr);gap:32px;align-items:start}.article-body h2{font-size:25px;color:#F5F7FA;line-height:1.4;margin:34px 0 15px}.article-body h3{font-size:19px;color:#F5F7FA;margin:24px 0 10px}.article-body p{font-size:16px;line-height:1.83;margin:0 0 17px}.article-body .media{max-height:255px;margin:22px 0}.article-body .media-device{max-width:235px;max-height:360px}.article-body .media-banner{max-height:230px}.sidebar{position:sticky;top:20px}.sidebar h2{font-size:18px;color:#F5F7FA;margin:0 0 13px}.sidebar a{display:block;padding:9px 0;border-bottom:1px solid #28303B;font-size:14px}.related{border-top:1px solid #2A303A;margin-top:34px;padding-top:18px}.related h2{font-size:20px}.article-footnote{background:#12161C;border-left:3px solid #5C7CFA;padding:15px 18px;font-size:14px;margin:24px 0}.faq details{border-bottom:1px solid #2A303A;padding:13px 0}.faq summary{cursor:pointer;font-size:17px;font-weight:700;color:#F5F7FA}.faq details p{margin:10px 0 0}.site-footer{background:#050608;margin-top:48px;padding:48px 0 20px;border-top:1px solid #1B2129}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:25px}.footer-brand .media{width:145px;height:38px;background:transparent}.footer-brand p{font-size:14px;color:#9098A3;margin:12px 0}.footer-col h3{font-size:15px;color:#F5F7FA;margin:2px 0 12px}.footer-col a{display:block;color:#9098A3;font-size:13px;line-height:2.4}.footer-bottom{border-top:1px solid #1B2129;margin-top:32px;padding-top:18px;font-size:12px;color:#9098A3;display:flex;gap:20px;justify-content:space-between}.footer-bottom p{margin:0}.back-top{position:fixed;bottom:20px;right:20px;width:40px;height:40px;border-radius:50%;border:1px solid #334055;background:#171C23;color:#fff;z-index:20;visibility:hidden;opacity:0;transition:.2s}.back-top.visible{visibility:visible;opacity:1}.pill-label{font-size:12px;color:#6EA8FF;font-weight:700;text-transform:uppercase}.banner-only .media{height:min(260px,25vw)}.notice{font-size:14px;color:#9098A3}.compact-links{display:grid;gap:0}.compact-links a{padding:12px 0;border-bottom:1px solid #29303A}.faq-page .article-wrap{grid-template-columns:minmax(0,820px) minmax(220px,1fr)}
@media(max-width:980px){.container{width:calc(100% - 40px)}.channel-list{justify-content:flex-start}.hero h1{font-size:36px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.article-wrap{grid-template-columns:minmax(0,1fr) 230px;gap:20px}.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-brand{grid-column:span 3}.split{grid-template-columns:1fr 1fr}}
@media(max-width:700px){body{font-size:15px}.container{width:calc(100% - 32px)}.topbar{height:64px}.menu-toggle{width:40px;height:40px}.brand{width:112px;height:36px}.brand .media{width:110px;height:28px}.enter-btn{height:40px;min-width:88px;font-size:12px;padding:0 12px}.channel-list{height:46px;gap:20px}.channel{font-size:13px}.site-drawer{width:min(86vw,340px)}.hero{padding:28px 0 18px}.hero-layout{display:flex;flex-direction:column-reverse;align-items:stretch;gap:16px}.hero-copy{padding:0}.hero h1{font-size:29px}.hero .media{height:210px}.lead{font-size:15px}.section{padding:27px 0}.section-title{font-size:22px}.section-desc{font-size:14px;margin-bottom:18px}.split,.split.equal{grid-template-columns:1fr;gap:16px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic-card{padding:15px}.topic-card h3{font-size:17px}.topic-card p{font-size:13px}.panel,.article-card{padding:18px}.visual-grid,.visual-grid.three{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.visual-card{padding:8px}.visual-card .media{height:136px}.visual-card h3{font-size:15px}.visual-card p{font-size:12px}.article-hero{padding:27px 0 10px}.article-hero h1{font-size:27px}.article-body h2{font-size:21px;margin-top:28px}.article-body p{font-size:15px}.article-wrap,.faq-page .article-wrap{display:block}.sidebar{position:static;margin-top:28px}.article-body .media{max-height:190px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom p{margin-top:8px}.banner-only .media{height:145px}}
@media(max-width:350px){.container{width:calc(100% - 28px)}.brand{width:94px}.brand .media{width:90px}.enter-btn{min-width:78px;padding:0 9px}.hero h1{font-size:27px}.topic-grid{grid-template-columns:1fr}.visual-card .media{height:125px}}