*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#111318;color:#D5D8DF;font:16px/1.75 system-ui,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none;touch-action:manipulation}button{font:inherit;touch-action:manipulation}a:focus-visible,button:focus-visible{outline:2px solid #D7A84B;outline-offset:3px}img{max-width:100%}.shell{width:min(1200px,calc(100% - 40px));margin-inline:auto;min-width:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#F7F8FA;line-height:1.3}h1{font-size:clamp(29px,3vw,40px);letter-spacing:-.02em}h2{font-size:clamp(23px,2.4vw,27px)}h3{font-size:19px}p{margin-bottom:1.15em}a:not(.register):hover{color:#FF684E}.site-header{background:#151820;border-bottom:1px solid rgba(255,255,255,.09);position:relative;z-index:40}.header-top{display:flex;align-items:center;gap:26px;min-height:74px}.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:#F7F8FA}.brand span{display:flex;flex-direction:column;line-height:1.15;white-space:nowrap}.brand b{font-size:21px}.brand small{font-size:10px;letter-spacing:.19em;color:#AEB4C0}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#12151c;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-empty{display:block;width:100%;height:100%;background:linear-gradient(140deg,#202633,#161a22)}.media--portrait{aspect-ratio:4/5}.media--app{aspect-ratio:3/4;max-width:360px;margin-inline:auto}.media--logo{width:48px;height:48px;aspect-ratio:auto;overflow:visible;border-radius:0;background:transparent}.media--logo img{position:static;width:100%;height:100%;object-fit:contain}.media--logo .media-empty{background:#252b37;border-radius:8px}.desktop-main{display:flex;align-items:center;gap:22px;justify-content:center;flex:1;white-space:nowrap}.desktop-main a,.secondary-nav a{color:#D5D8DF;display:inline-flex;align-items:center;min-height:42px;font-weight:600;font-size:14px}.desktop-main a[aria-current],.secondary-nav a[aria-current]{color:#FF684E;border-bottom:2px solid #F45132}.register{background:#F45132;color:#fff;border-radius:9px;min-height:44px;min-width:76px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}.register:hover{background:#FF684E;color:#fff}.header-secondary{border-top:1px solid rgba(255,255,255,.06)}.secondary-nav{min-height:43px;display:flex;justify-content:center;gap:44px;white-space:nowrap}.secondary-nav a{font-size:13px;min-height:40px}.menu-toggle{display:none}.drawer-mask,.mobile-drawer,.mobile-bottom{display:none}.main-content{padding-block:34px 75px;min-height:62vh}.page-head{margin-bottom:35px;max-width:860px}.eyebrow{font-weight:700;letter-spacing:.08em;color:#D7A84B;font-size:12px;text-transform:uppercase}.lead{color:#C7CDD8;font-size:18px;max-width:860px}.subtle{color:#AEB4C0}.section{margin:46px 0}.section-header{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:22px}.section-header h2{margin:0}.text-link{color:#FF846D;font-weight:700}.text-link:hover{text-decoration:underline}.panel{border:1px solid rgba(255,255,255,.09);background:#1A1E27;border-radius:14px;padding:24px;min-width:0}.panel--soft{background:#222733}.panel h3{margin-bottom:12px}.panel p:last-child{margin-bottom:0}.line-list{list-style:none;margin:0;padding:0}.line-list li{border-bottom:1px solid rgba(255,255,255,.09);padding:14px 0}.line-list li:last-child{border:0}.line-list a{display:flex;justify-content:space-between;gap:18px;align-items:center;min-height:40px}.line-list a::after{content:'↗';color:#D7A84B}.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.feature-split{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}.feature-split.reverse{grid-template-columns:.9fr 1.1fr}.feature-split>*{min-width:0}.feature-split h2{margin-bottom:16px}.feature-split p{max-width:64ch}.mini-meta{font-size:12px;text-transform:uppercase;color:#D7A84B;font-weight:700;letter-spacing:.1em}.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.gallery-card{background:#1A1E27;border:1px solid rgba(255,255,255,.09);border-radius:14px;overflow:hidden;min-width:0}.gallery-card .media{border-radius:0}.gallery-text{padding:16px}.gallery-text h3{margin:0 0 8px}.gallery-text p{font-size:14px;margin:0;color:#BFC5D0}.gallery-card .media--portrait{aspect-ratio:4/5}.topic-strip{border-left:3px solid #F45132;background:#1A1E27;padding:19px 22px;margin:22px 0;border-radius:0 12px 12px 0}.topic-strip p{margin-bottom:0}.reading-columns{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:32px;align-items:start}.reading-columns>*{min-width:0}.aside-nav{background:#222733;padding:21px;border-radius:13px;position:sticky;top:18px}.aside-nav h2{font-size:19px}.aside-nav a{display:block;border-bottom:1px solid rgba(255,255,255,.09);padding:12px 0;font-size:14px}.aside-nav a:last-child{border:0}.article-section{margin:0 0 32px;scroll-margin-top:20px}.article-section h2{border-left:3px solid #F45132;padding-left:14px;margin:0 0 16px}.article-section p{max-width:77ch}.article-section h3{margin:18px 0 9px}.article-section .media{max-width:630px;margin:18px 0}.related{border-top:1px solid rgba(255,255,255,.09);padding-top:25px;margin-top:36px}.related-links{display:flex;flex-wrap:wrap;gap:12px}.related-links a,.taglink{display:inline-flex;min-height:42px;align-items:center;background:#222733;border:1px solid rgba(255,255,255,.09);padding:7px 14px;border-radius:8px;font-weight:600}.steps{counter-reset:step;list-style:none;padding:0}.steps>li{position:relative;counter-increment:step;padding:4px 0 22px 57px;margin-bottom:19px;border-bottom:1px solid rgba(255,255,255,.09)}.steps>li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:0;font-size:18px;font-weight:800;color:#D7A84B}.steps h2{font-size:22px}.faq-item{border-bottom:1px solid rgba(255,255,255,.11);padding:17px 0}.faq-item h3{margin:0 0 12px;font-size:18px}.faq-item p{margin-bottom:0}.article-wide{max-width:830px;margin-inline:auto}.article-wide .article-section{margin-bottom:40px}.category-links{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.news-list{display:grid;gap:18px}.news-entry{padding:25px;border-left:3px solid #F45132;background:#1A1E27;border-radius:0 12px 12px 0}.news-entry h2{font-size:23px;margin-bottom:10px}.news-entry p{margin:0}.carousel{position:relative;margin:0 0 26px}.carousel-view{overflow:hidden;border-radius:14px;background:#12151c}.carousel-slide{margin:0}.carousel-slide[hidden]{display:none}.carousel-slide .media{height:clamp(220px,24vw,300px);aspect-ratio:auto;border-radius:14px}.carousel-controls{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:12px}.carousel-controls button{min-width:44px;min-height:44px;cursor:pointer;border-radius:9px;background:#222733;color:#F7F8FA;border:1px solid rgba(255,255,255,.12)}.carousel-dots{display:flex;gap:9px}.carousel-dots button{width:11px;height:11px;min-width:11px;min-height:11px;padding:0;border-radius:50%;background:#626a77;border:0}.carousel-dots button[aria-current=true]{background:#F45132}.home-intro{max-width:875px;margin-bottom:28px}.home-intro h1{margin-bottom:16px}.home-topics .panel:nth-child(1){border-top:3px solid #F45132}.home-topics .panel:nth-child(2){border-top:3px solid #D7A84B}.home-topics .panel:nth-child(3){border-top:3px solid #8A96A9}.home-topics .panel p{font-size:15px}.table-scroll{overflow-x:auto}.info-table{width:100%;border-collapse:collapse;min-width:530px}.info-table th,.info-table td{text-align:left;padding:15px;border-bottom:1px solid rgba(255,255,255,.1);vertical-align:top}.info-table th{color:#F7F8FA;background:#222733}.site-footer{background:#151820;border-top:1px solid rgba(255,255,255,.09);padding-top:44px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}.footer-grid nav a{display:block;padding:4px 0;font-size:14px;color:#C4CAD4}.footer-grid nav h2{font-size:16px}.footer-intro p{font-size:14px;color:#AEB4C0;max-width:210px;margin-top:18px}.footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(255,255,255,.09);margin-top:36px;padding-block:19px;font-size:13px;color:#AEB4C0}.footer-bottom p{margin:0}
@media(max-width:1080px){.desktop-main{gap:13px}.header-top{gap:18px}.secondary-nav{gap:30px}}
@media(max-width:1024px){.desktop-main,.header-secondary{display:none}.header-top{min-height:62px;justify-content:space-between}.menu-toggle{display:flex;flex-direction:column;gap:5px;justify-content:center;align-items:center;width:44px;height:44px;color:#fff;background:transparent;border:0;padding:8px}.menu-toggle span{display:block;width:22px;height:2px;background:#F7F8FA}.header-top .brand{position:absolute;left:50%;transform:translateX(-50%)}.header-top .brand .media--logo{width:40px;height:40px}.header-top .brand b{font-size:18px}.header-top .brand small{font-size:9px}.header-top .register{min-width:62px;min-height:42px;font-size:14px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);max-width:100%;height:100dvh;overflow-y:auto;background:#151820;color:#F7F8FA;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;visibility:hidden}.mobile-drawer.is-open{transform:translateX(0);visibility:visible}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:11000;opacity:0;pointer-events:none}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-active{overflow:hidden}.drawer-heading{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(255,255,255,.09)}.drawer-brand{display:flex;align-items:center;gap:9px}.drawer-brand .media--logo{width:37px;height:37px}.drawer-close{border:0;background:#222733;color:#F7F8FA;width:44px;height:44px;font-size:29px}.drawer-group{padding:18px 18px 5px}.drawer-group h2{font-size:13px;text-transform:uppercase;letter-spacing:.09em;color:#D7A84B}.drawer-group a{display:block;min-height:43px;padding:7px 5px;border-bottom:1px solid rgba(255,255,255,.07)}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:1000;background:#151820;border-top:1px solid rgba(255,255,255,.12);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;display:flex;align-items:center;justify-content:center;min-height:55px;font-size:14px;font-weight:700}.mobile-bottom a:last-child{color:#FF846D}.main-content{padding-bottom:100px}.footer-bottom{padding-bottom:85px}.reading-columns{grid-template-columns:minmax(0,1fr) 240px;gap:22px}.gallery{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.shell{width:calc(100% - 32px)}body{font-size:15.5px}.main-content{padding-top:24px}.header-top .brand{gap:5px}.header-top .brand .media--logo{width:32px;height:32px}.header-top .brand b{font-size:16px}.header-top .brand small{font-size:8px}h1{font-size:28px}h2{font-size:23px}.lead{font-size:16px}.section{margin:34px 0}.three,.two,.feature-split,.feature-split.reverse,.reading-columns{grid-template-columns:1fr}.feature-split{gap:19px}.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.gallery-text{padding:13px}.gallery-text h3{font-size:16px}.gallery-text p{font-size:13px}.gallery-card .media--portrait{max-height:260px}.panel{padding:19px}.aside-nav{position:static}.carousel-slide .media{height:clamp(140px,40vw,180px)}.footer-grid{grid-template-columns:1fr;gap:19px}.footer-bottom{display:block}.footer-bottom p{margin-bottom:7px}.category-links{gap:8px}.article-section h2{font-size:22px}.section-header{align-items:flex-start}.news-entry{padding:17px}}
@media(max-width:360px){.header-top .brand small{display:none}.header-top .brand b{font-size:15px}.header-top .register{min-width:55px}.gallery{grid-template-columns:1fr}.gallery-card .media{max-height:245px}.gallery-card .media--portrait{max-height:245px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
