*{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}button:focus-visible,a:focus-visible{outline:2px solid #8ED8FF;outline-offset:3px}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#F5F7FA;line-height:1.38}h1{font-size:clamp(28px,3.4vw,42px);letter-spacing:-.025em}h2{font-size:clamp(21px,2.2vw,27px)}h3{font-size:19px}p{margin-bottom:16px}.site-header{height:74px;background:rgba(8,10,13,.96);border-bottom:1px solid rgba(255,255,255,.09);position:relative;z-index:30}.header-inner{max-width:1200px;margin:auto;padding:0 24px;height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.menu-toggle{width:44px;height:44px;border:1px solid rgba(255,255,255,.16);border-radius:11px;background:#12161C;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}.menu-toggle span{height:2px;width:19px;background:#C7CDD5;display:block}.brand{justify-self:center;display:flex;align-items:center;justify-content:center;height:44px}.brand img{width:auto;max-width:180px;height:36px;object-fit:contain}.brand-text{color:#F5F7FA;font-size:25px;font-weight:800;line-height:1}.brand-text span{color:#6EA8FF}.site-entry{justify-self:end;display:inline-flex;height:44px;align-items:center;justify-content:center;padding:0 21px;border-radius:999px;background:#5C7CFA;color:#fff;font-weight:700;font-size:14px;white-space:nowrap}.site-entry:hover{background:#7390FF;color:white}.channel-bar{background:#0D1015;border-bottom:1px solid rgba(255,255,255,.09)}.channel-inner{height:47px;max-width:1200px;margin:auto;display:flex;align-items:stretch;gap:26px;padding:0 24px;overflow-x:auto;scrollbar-width:thin;white-space:nowrap}.channel-inner a{display:flex;align-items:center;flex-shrink:0;color:#C7CDD5;font-size:14px;border-bottom:2px solid transparent}.channel-inner a.active{color:#6EA8FF;border-color:#6EA8FF}.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.68);z-index:40;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,visibility .2s}.site-drawer{position:fixed;left:0;top:0;bottom:0;width:420px;max-width:86vw;background:#0D1015;z-index:41;transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:transform .23s,visibility .23s;overflow-y:auto;border-right:1px solid rgba(255,255,255,.16)}body.drawer-open .drawer-overlay{opacity:1;visibility:visible;pointer-events:auto}body.drawer-open .site-drawer{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 23px;border-bottom:1px solid rgba(255,255,255,.09)}.drawer-title{color:#F5F7FA;font-weight:700}.drawer-close{width:40px;height:40px;color:#F5F7FA;background:#171C23;border:0;border-radius:10px;cursor:pointer;font-size:29px;line-height:1}.drawer-nav{padding:8px 23px 28px}.drawer-nav section{padding-top:20px}.drawer-nav h2{font-size:13px;color:#9098A3;letter-spacing:.12em}.drawer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 10px}.drawer-links a{font-size:14px;padding:7px 10px;border-left:2px solid transparent;border-radius:2px}.drawer-links a.active{color:#6EA8FF;border-color:#6EA8FF}body.drawer-open{overflow:hidden}.main-container{max-width:1200px;margin:auto;padding:34px 24px 80px;min-height:65vh}.eyebrow{color:#8ED8FF;text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:700}.lede{font-size:17px;color:#C7CDD5;max-width:840px}.hero{display:grid;grid-template-columns:54fr 46fr;align-items:center;gap:34px;padding:34px 0 42px}.hero-copy h1{margin-bottom:17px}.hero-copy{min-width:0}.hero-links,.related-links,.inline-links{display:flex;gap:12px 22px;flex-wrap:wrap}.hero-links a,.inline-links a,.text-link{color:#8ED8FF;font-weight:600}.hero .media{max-height:330px}.section{margin-top:54px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:1px solid rgba(255,255,255,.09);padding-bottom:15px;margin-bottom:23px}.section-heading h2{margin:0}.section-heading a{color:#8ED8FF;font-size:14px}.grid{display:grid;gap:19px}.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{min-width:0;background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:20px}.card h3{font-size:18px;margin-bottom:10px}.card p{font-size:14px;line-height:1.8;margin:0}.card a{display:inline-block;color:#8ED8FF;margin-top:12px;font-size:14px}.split{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:30px;align-items:start}.reading-panel{background:#0D1015;border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:27px}.reading-panel h3{font-size:20px}.reading-panel p{line-height:1.85}.index-list{counter-reset:idx;display:grid;gap:0}.index-list article{display:grid;grid-template-columns:55px 1fr;gap:10px;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.09)}.index-number{font-size:25px;color:#6EA8FF;font-weight:700}.index-list h3{margin-bottom:6px}.index-list p{margin:0;color:#9098A3;font-size:14px}.index-list a{color:#8ED8FF;font-size:13px}.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-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#12161C,#171C23);border:1px solid rgba(255,255,255,.06);border-radius:inherit}.media-square{aspect-ratio:1/1}.media-wide{aspect-ratio:16/9}.media-banner{aspect-ratio:16/7}.media-device{aspect-ratio:9/16;max-height:360px;margin:auto}.media-caption{padding:12px 0}.media-caption strong{display:block;color:#F5F7FA}.media-caption span{font-size:13px;color:#9098A3}.visual-card .media{max-height:185px}.visual-card h3{margin:12px 0 4px}.visual-card p{color:#9098A3;font-size:13px}.banner .media{max-height:260px}.compact-notice{background:#0D1015;border-left:3px solid #5C7CFA;padding:16px 20px;border-radius:0 12px 12px 0}.page-head{padding:29px 0 30px;border-bottom:1px solid rgba(255,255,255,.09);margin-bottom:31px}.page-head h1{font-size:clamp(25px,3vw,35px);margin-bottom:13px}.page-head .lede{margin-bottom:0}.breadcrumb{font-size:13px;color:#9098A3;margin-bottom:13px}.breadcrumb a{color:#8ED8FF}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:38px;align-items:start}.article{max-width:850px}.article section{margin-bottom:35px}.article h2{margin-bottom:15px}.article p{line-height:1.84}.article-sidebar{position:sticky;top:25px;background:#12161C;padding:19px;border:1px solid rgba(255,255,255,.09);border-radius:13px}.article-sidebar h2{font-size:17px}.article-sidebar a{display:block;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.09);font-size:14px}.topic-lead{font-size:16px;color:#F5F7FA}.related{margin:44px 0 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.09)}.related h2{font-size:21px}.related-links a{color:#8ED8FF;font-size:15px}.figure-inline{max-width:460px;margin:25px 0}.figure-inline .media{max-height:250px}.faq-list{display:grid;gap:15px}.faq-list article{padding:21px;background:#12161C;border:1px solid rgba(255,255,255,.09);border-radius:12px}.faq-list h2{font-size:18px}.faq-list p{margin-bottom:0}.site-footer{background:#050608;border-top:1px solid rgba(255,255,255,.09);padding:42px 24px 25px}.footer-inner{max-width:1200px;margin:auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer-inner h2{font-size:15px}.footer-inner section>a{display:block;font-size:13px;color:#9098A3;padding:4px 0}.footer-inner p{font-size:13px;max-width:320px;margin:15px 0}.footer-about img{object-fit:contain;max-width:140px;height:36px}.footer-bottom{max-width:1200px;margin:32px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.09);display:flex;gap:18px;justify-content:space-between;font-size:12px;color:#9098A3}.back-top{position:fixed;right:20px;bottom:24px;width:43px;height:43px;border-radius:50%;border:1px solid rgba(255,255,255,.16);background:#171C23;color:#fff;cursor:pointer;opacity:0;visibility:hidden;pointer-events:none;z-index:20}.back-top.visible{opacity:1;visibility:visible;pointer-events:auto}.muted{color:#9098A3}.mini-list{list-style:none;margin:0;padding:0}.mini-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.09)}.mini-list a{color:#8ED8FF}@media(max-width:980px){.article-layout{grid-template-columns:minmax(0,1fr) 220px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{gap:22px}.channel-inner{gap:21px}}@media(max-width:767px){.site-header{height:64px}.header-inner{padding:0 16px}.menu-toggle{width:40px;height:40px}.brand{height:35px}.brand img{height:28px;max-width:125px}.brand-text{font-size:20px}.site-entry{height:40px;padding:0 13px;font-size:12px}.channel-inner{height:46px;padding:0 16px;gap:20px}.main-container{padding:24px 16px 50px}.hero{display:flex;flex-direction:column-reverse;align-items:stretch;gap:21px;padding:11px 0 20px}.hero .media{max-height:220px}.section{margin-top:35px}.grid-2,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.grid-4{gap:12px}.card{padding:15px}.card h3{font-size:16px}.card p{font-size:13px}.split{grid-template-columns:1fr;gap:18px}.reading-panel{padding:19px}.page-head{padding:13px 0 23px;margin-bottom:23px}.article-layout{display:block}.article-sidebar{position:static;margin-top:27px}.article section{margin-bottom:28px}.visual-card .media{max-height:165px}.figure-inline{max-width:100%}.banner .media{max-height:145px}.footer-inner{gap:20px}.footer-bottom{flex-direction:column;gap:6px}.site-footer{padding:30px 16px}.section-heading{margin-bottom:17px}.lede{font-size:16px}.media-device{max-height:360px}.index-list article{grid-template-columns:40px 1fr}}@media(max-width:360px){.brand img{max-width:100px}.site-entry{padding:0 10px;font-size:11px}.header-inner{gap:4px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.visual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-card h3{font-size:15px}.visual-card p{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
