*{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}a{color:#8ED8FF;text-decoration:none}a:hover{text-decoration:underline;color:#6EA8FF}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}.container{width:calc(100% - 48px);max-width:1200px;margin:auto;min-width:0}.site-header{position:relative;z-index:20}.topbar{height:74px;background:rgba(8,10,13,.96);display:flex;align-items:center;justify-content:space-between;position:relative;padding:0 24px;border-bottom:1px solid rgba(255,255,255,.09)}.brand-mark{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(32vw,190px);display:flex;align-items:center;justify-content:center}.brand-mark .media{height:36px;min-height:0;background:none}.brand-mark img{max-height:36px}.menu-toggle{width:44px;height:44px;border:1px solid rgba(255,255,255,.16);background:#12161C;border-radius:10px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;color:#F5F7FA}.menu-toggle span{height:2px;width:19px;background:currentColor;display:block}.enter-btn,.pill{background:#5C7CFA;color:white;border-radius:999px;padding:7px 19px;font-size:14px;font-weight:bold;white-space:nowrap;display:inline-block}.enter-btn{height:42px;display:flex;align-items:center}.enter-btn:hover,.pill:hover{background:#6EA8FF;color:#080A0D;text-decoration:none}.channel-nav{height:48px;background:#0D1015;border-bottom:1px solid rgba(255,255,255,.09);overflow-x:auto;overscroll-behavior-inline:contain}.channel-inner{display:flex;min-width:max-content;max-width:1200px;margin:auto;height:100%;justify-content:space-around}.channel-inner a{color:#C7CDD5;position:relative;display:flex;align-items:center;justify-content:center;padding:0 22px;font-size:14px;white-space:nowrap}.channel-inner a.active{color:#6EA8FF}.channel-inner a.active:after{position:absolute;content:"";bottom:0;left:22px;right:22px;background:#6EA8FF;height:2px}.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.68);z-index:30;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .2s,visibility .2s}.side-drawer{position:fixed;top:0;left:0;bottom:0;width:min(420px,86vw);max-width:100%;background:#0D1015;z-index:31;padding:22px;overflow-y:auto;transform:translateX(-100%);visibility:hidden;pointer-events:none;transition:transform .25s,visibility .25s;box-shadow:12px 0 36px #0008}.drawer-open .drawer-overlay{opacity:1;visibility:visible;pointer-events:auto}.drawer-open .side-drawer{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-top{display:flex;justify-content:space-between;align-items:center}.drawer-brand{width:155px}.drawer-brand .media{background:none;min-height:0}.drawer-brand img{max-height:36px}.drawer-top button{background:#171C23;color:white;border:1px solid #39404a;border-radius:9px;width:39px;height:39px}.drawer-note{font-size:13px;color:#9098A3;margin:14px 0}.drawer-group{padding:14px 0;border-top:1px solid rgba(255,255,255,.09)}.drawer-group h2{font-size:14px;color:#9098A3;margin-bottom:8px}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:4px}.drawer-links a{padding:7px 10px;border-left:2px solid transparent;color:#C7CDD5;font-size:14px}.drawer-links a.active{border-left-color:#6EA8FF;color:#6EA8FF}.section{padding:50px 0;border-bottom:1px solid rgba(255,255,255,.07)}.hero{padding:58px 0 46px;background:linear-gradient(125deg,#101829,#0D1015 58%,#080A0D)}.eyebrow{color:#8ED8FF;font-size:13px;letter-spacing:.14em;margin-bottom:14px}.hero h1{font-size:40px}.hero-grid,.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:36px;align-items:center}.hero-grid>* ,.split>*,.grid>*{min-width:0}.hero .lead{font-size:17px;color:#C7CDD5}.action-row{display:flex;flex-wrap:wrap;gap:20px;align-items:center}.action-row a{font-weight:bold}.grid{display:grid;gap:20px}.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{background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:21px;min-width:0}.card h3{font-size:18px}.card p:last-child{margin:0}.card .more,.index-list a{font-size:14px}.muted{color:#9098A3}.section-heading{margin-bottom:23px}.section-heading p{max-width:850px}.section-intro{max-width:850px}.feature-article{max-width:820px}.feature-article p{line-height:1.9}.feature-article h2{margin-top:35px}.index-list{display:grid;gap:0;list-style:none;margin:0;padding:0}.index-list li{border-bottom:1px solid rgba(255,255,255,.09);padding:17px 0;display:grid;grid-template-columns:42px 1fr;gap:8px}.index-list .number{color:#6EA8FF;font-weight:bold}.index-list h3{font-size:17px;margin-bottom:7px}.media{display:flex;align-items:center;justify-content:center;width:100%;max-width:100%;min-width:0;border-radius:14px;background:#0D1015;overflow:hidden}.media img{display:block;width:100%;height:100%;object-fit:contain;object-position:center center}.media-wide{height:230px}.media-square{height:175px}.media-banner{height:240px}.media-small{height:150px}.media-device{height:350px}.media-logo{height:36px}.media-placeholder{border:1px solid rgba(255,255,255,.09);background:linear-gradient(140deg,#10151d,#0D1015 55%,#141925)}.hero .media-wide{height:300px}.gallery-card .media{margin-bottom:14px}.gallery-card h3{font-size:17px}.page-intro{background:linear-gradient(120deg,#101827,#0D1015);padding:52px 0 40px}.page-intro p{max-width:820px}.page-columns{display:grid;grid-template-columns:minmax(0,820px) minmax(225px,1fr);gap:35px;align-items:start}.article-body{min-width:0}.article-body h2{margin:36px 0 16px}.article-body p{line-height:1.9}.article-body p:first-child{margin-top:0}.aside-panel{background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:22px}.aside-panel h2{font-size:20px}.aside-panel a{display:block;border-top:1px solid rgba(255,255,255,.08);padding:9px 0}.article-end{background:#12161C;padding:22px;border-radius:12px;margin-top:28px}.article-end a{margin-right:16px;display:inline-block}.mini-label{color:#8ED8FF;font-size:12px;letter-spacing:.1em}.site-footer{background:#050608;padding:48px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:26px}.footer-grid h2{font-size:17px}.footer-grid a{display:block;color:#C7CDD5;font-size:14px;margin:4px 0}.footer-grid .media{max-width:150px;background:none}.footer-grid p{color:#9098A3;font-size:14px}.footer-bottom{padding-top:24px;margin-top:30px;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:16px;font-size:13px;color:#9098A3}#backTop{position:fixed;right:18px;bottom:20px;background:#171C23;border:1px solid #384250;color:#F5F7FA;width:42px;height:42px;border-radius:50%;z-index:10;opacity:0;pointer-events:none}#backTop.visible{opacity:1;pointer-events:auto}.faq-item{margin-bottom:16px}.faq-item h2{font-size:19px;margin-bottom:10px}.tagline{font-size:14px;color:#8ED8FF}.banner .media{max-height:250px}body.drawer-open{overflow:hidden}a:focus-visible,button:focus-visible{outline:2px solid #8ED8FF;outline-offset:3px}@media(max-width:980px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.page-columns{grid-template-columns:minmax(0,1fr) 235px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:768px){.container{width:calc(100% - 32px)}.topbar{height:62px;padding:0 16px}.brand-mark{width:min(34vw,140px)}.brand-mark .media{height:28px}.brand-mark img{max-height:28px}.menu-toggle{height:40px;width:40px}.enter-btn{height:38px;padding:5px 13px;font-size:12px}.channel-nav{height:44px}.channel-inner a{padding:0 17px}.section{padding:34px 0}.hero{padding:35px 0}.hero-grid,.split{grid-template-columns:1fr;gap:20px}.hero-grid .hero-art,.split .mobile-first{order:-1}.hero .media-wide{height:200px}.hero h1{font-size:29px}.page-intro{padding:32px 0}h1{font-size:26px}h2{font-size:22px}h3{font-size:18px}body{font-size:15px}.page-columns{grid-template-columns:1fr}.media-wide{height:170px}.media-square{height:145px}.media-banner{height:140px}.media-device{height:350px}.media-small{height:130px}.footer-bottom{flex-direction:column}}@media(max-width:430px){.grid-3,.grid-4,.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card{padding:14px}.card h3{font-size:16px}.media-square{height:125px}.footer-grid{gap:18px}.brand-mark{width:min(30vw,110px)}}@media(max-width:350px){.grid-3,.nav-grid{grid-template-columns:1fr}.topbar{padding:0 10px}.brand-mark{width:88px}.enter-btn{padding:5px 9px;font-size:11px}.drawer-links{grid-template-columns:1fr}}
