*{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;overflow-x:hidden}a{color:inherit;text-decoration:none;touch-action:manipulation}a:hover{color:#FF684E}button{font:inherit;cursor:pointer;touch-action:manipulation}a,button{outline-offset:3px}img{max-width:100%}.container{width:min(1200px,calc(100% - 40px));margin-inline:auto;min-width:0}.site-header{background:#151820;border-bottom:1px solid rgba(255,255,255,.09);position:relative;z-index:20}.nav-top{display:flex;align-items:center;gap:22px;min-height:76px}.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:#F7F8FA}.brand-picture{width:42px;height:42px;display:flex;align-items:center;justify-content:center}.brand-picture img{width:100%;height:100%;object-fit:contain}.brand-mark{color:#F45132;font-size:30px;font-weight:850}.brand-label{line-height:1.15;white-space:nowrap}.brand-label strong{font-size:19px;display:block;letter-spacing:.02em}.brand-label small{font-size:10px;letter-spacing:.17em;color:#AEB4C0}.desktop-main{display:flex;align-items:center;gap:clamp(10px,1.65vw,25px);margin-left:auto;white-space:nowrap}.desktop-main a,.nav-sub a{display:flex;align-items:center;min-height:44px;font-size:14px;color:#D5D8DF;border-bottom:2px solid transparent}.desktop-main a.active,.nav-sub a.active{color:#F7F8FA;border-color:#F45132}.register{flex:0 0 auto;background:#F45132;border-radius:8px;color:white;font-size:14px;font-weight:700;padding:8px 22px;min-height:42px;display:inline-flex;align-items:center;justify-content:center}.register:hover{background:#FF684E;color:#fff}.nav-sub{border-top:1px solid rgba(255,255,255,.06)}.nav-sub>.container{display:flex;justify-content:center;gap:clamp(22px,4vw,62px)}.nav-sub a{color:#AEB4C0;min-height:42px}.main-content{padding-top:36px;padding-bottom:74px;min-height:60vh}h1,h2,h3{color:#F7F8FA;line-height:1.25;margin-top:0;overflow-wrap:anywhere}h1{font-size:clamp(30px,3.5vw,42px);letter-spacing:-.035em}h2{font-size:clamp(23px,2.2vw,28px)}h3{font-size:19px}p{margin:0 0 16px;overflow-wrap:anywhere}.eyebrow{color:#D7A84B;letter-spacing:.18em;font-size:12px;font-weight:750;text-transform:uppercase;margin-bottom:14px}.lede{color:#AEB4C0;font-size:17px;max-width:810px}.page-intro{padding:26px 0 33px;border-bottom:1px solid rgba(255,255,255,.09);margin-bottom:32px}.page-intro h1{max-width:890px}.section{margin:45px 0}.section-title{display:flex;align-items:center;gap:12px;margin-bottom:21px}.section-title:before{content:"";height:25px;width:4px;background:#F45132;border-radius:4px}.section-title h2{margin:0}.muted{color:#AEB4C0}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#12151c;aspect-ratio:16/9;min-width:0}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media--portrait{aspect-ratio:4/5}.media--app{aspect-ratio:3/4;max-width:360px;margin-inline:auto}.media--square{aspect-ratio:1/1}.media--logo{aspect-ratio:auto;overflow:visible}.media--logo img{position:static;width:100%;height:100%;object-fit:contain}.media-placeholder{display:block;position:absolute;inset:0;background:linear-gradient(135deg,#202631,#141820);border:1px solid rgba(255,255,255,.06);border-radius:12px}.carousel{max-width:1200px;margin:0 auto 36px}.carousel-stage{height:clamp(220px,24vw,300px);border-radius:14px;background:#12151c;overflow:hidden}.carousel-slide{height:100%;width:100%}.carousel-slide[hidden]{display:none!important}.carousel-slide .media{height:100%;aspect-ratio:auto;border-radius:0}.carousel-tools{display:flex;align-items:center;justify-content:space-between;margin-top:12px;gap:20px}.carousel-prev,.carousel-next{color:#F7F8FA;background:#222733;border:1px solid rgba(255,255,255,.12);width:44px;height:42px;border-radius:9px}.carousel-dots{display:flex;gap:8px}.carousel-dot{height:12px;width:12px;border:0;border-radius:50%;background:#5b6270;padding:0}.carousel-dot[aria-current="true"]{background:#F45132}.home-intro{margin-bottom:34px}.home-intro h1{max-width:870px}.home-intro p{max-width:900px}.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.channel{padding:24px;border:1px solid rgba(255,255,255,.09);background:#1A1E27;border-radius:12px}.channel-number{color:#D7A84B;font-size:13px;font-weight:750}.channel h3{margin:10px 0}.channel p{color:#AEB4C0;font-size:15px}.text-link{color:#FF684E;font-weight:650;display:inline-flex;min-height:40px;align-items:center}.feature-split,.article-layout,.dual{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(250px,1fr);gap:34px;align-items:start}.feature-split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}.article-layout{grid-template-columns:minmax(0,1fr) 265px}.prose{min-width:0}.prose h2{margin:35px 0 15px}.prose h3{margin:25px 0 11px}.prose p{margin-bottom:18px}.prose ul,.prose ol{padding-left:22px}.prose li{margin:8px 0}.side-index{border:1px solid rgba(255,255,255,.09);background:#1A1E27;padding:23px;border-radius:12px;position:sticky;top:20px}.side-index h2{font-size:20px}.side-index a{display:block;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:14px;color:#D5D8DF;min-height:42px}.visual-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.visual-card{min-width:0;background:#1A1E27;border:1px solid rgba(255,255,255,.09);border-radius:12px;overflow:hidden}.visual-card .media{border-radius:0}.visual-text{padding:16px}.visual-text h3{font-size:17px;margin:0 0 8px}.visual-text p{font-size:14px;color:#AEB4C0;margin:0}.editorial-list{display:grid;gap:10px}.editorial-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid rgba(255,255,255,.1);padding:13px 3px;min-height:52px}.editorial-list span{color:#F45132}.panel{background:#1A1E27;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:24px;min-width:0}.panel h3{margin-top:0}.mini-list{list-style:none;margin:0;padding:0}.mini-list li{border-bottom:1px solid rgba(255,255,255,.08);padding:10px 0}.mini-list a{color:#D5D8DF}.faq-list details{background:#1A1E27;border:1px solid rgba(255,255,255,.09);border-radius:9px;margin:10px 0;padding:15px 19px}.faq-list summary{color:#F7F8FA;font-weight:650;cursor:pointer}.faq-list p{margin:12px 0 0;color:#D5D8DF}.related{margin:52px 0 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.11)}.related h2{font-size:24px}.related-links{display:flex;flex-wrap:wrap;gap:12px}.related-links a{padding:9px 17px;background:#222733;border-radius:8px;min-height:42px;display:inline-flex;align-items:center;gap:8px}.notice{border-left:3px solid #D7A84B;padding:14px 18px;background:#1A1E27;margin:25px 0;color:#D5D8DF}.guide-steps{counter-reset:steps;list-style:none;padding:0}.guide-steps>li{position:relative;padding:0 0 20px 53px;margin:20px 0;border-bottom:1px solid rgba(255,255,255,.08);counter-increment:steps}.guide-steps>li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:0;top:0;font-size:18px;color:#D7A84B;font-weight:750}.guide-steps h2{font-size:23px;margin-bottom:12px}.gallery-group{margin:42px 0;scroll-margin-top:20px}.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.gallery .visual-card .media--portrait{max-height:400px}.anchor-nav{display:flex;gap:10px;flex-wrap:wrap;padding:15px 0 22px}.anchor-nav a{padding:9px 16px;background:#222733;border-radius:7px;min-height:42px}.read-table{width:100%;border-collapse:collapse;margin:18px 0 25px}.read-table th,.read-table td{border-bottom:1px solid rgba(255,255,255,.12);padding:15px 12px;text-align:left;vertical-align:top}.read-table th{color:#F7F8FA;background:#222733}.reading-column{max-width:820px;margin-inline:auto}.reading-column .page-intro{margin-bottom:25px}.reading-column h2{margin-top:38px}.site-footer{background:#151820;border-top:1px solid rgba(255,255,255,.09);padding:50px 0 25px}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.footer-grid h2{font-size:17px;margin-bottom:15px}.footer-grid a{display:block;color:#AEB4C0;font-size:14px;min-height:35px}.footer-bottom{border-top:1px solid rgba(255,255,255,.09);margin-top:28px;padding-top:24px;color:#AEB4C0;font-size:13px}.footer-bottom p{margin:9px 0}.footer-identity{display:inline-flex;gap:9px;align-items:center;color:#F7F8FA}.footer-identity img{width:30px;height:30px;object-fit:contain}.menu-toggle,.mobile-drawer,.drawer-mask,.mobile-bottom{display:none}.menu-toggle{width:42px;height:42px;flex:0 0 42px;border:1px solid rgba(255,255,255,.15);background:#222733;border-radius:8px;padding:10px}.menu-toggle span{display:block;height:2px;background:#F7F8FA;margin:4px 0}.drawer-open{overflow:hidden}.drawer-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.12)}.drawer-brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:750}.drawer-brand img{width:32px;height:32px;object-fit:contain}.drawer-close{color:white;background:#222733;border:0;border-radius:7px;width:44px;height:44px;font-size:25px}.drawer-group{padding:15px 20px}.drawer-group h2{font-size:13px;color:#D7A84B;letter-spacing:.08em;margin:5px 0}.drawer-group a{display:block;padding:8px 4px;min-height:42px;color:#F7F8FA;border-bottom:1px solid rgba(255,255,255,.08)}.mobile-drawer,.drawer-mask{display:none}
@media(max-width:1024px){.desktop-main,.nav-sub{display:none}.menu-toggle{display:block}.nav-top{min-height:65px;display:grid;grid-template-columns:44px minmax(0,1fr) 72px;gap:10px}.brand{justify-self:center;gap:6px;min-width:0}.brand-picture{width:34px;height:34px}.brand-label strong{font-size:16px}.brand-label small{font-size:8px}.register{padding:7px 10px;min-height:40px;width:72px}.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}.mobile-drawer.is-open{transform:translateX(0)}.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}.mobile-bottom{display:grid;position:fixed;bottom:0;left:0;right:0;grid-template-columns:repeat(4,1fr);height:calc(61px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#151820;border-top:1px solid rgba(255,255,255,.12);z-index:60}.mobile-bottom a{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:0;color:#F7F8FA;font-size:12px;min-width:0;min-height:55px}.mobile-bottom span{font-size:23px;line-height:1.35;color:#F45132}.main-content{padding-bottom:100px}.site-footer{padding-bottom:calc(86px + env(safe-area-inset-bottom))}.article-layout,.dual{grid-template-columns:minmax(0,1fr)}.side-index{position:static}.visual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.container{width:calc(100% - 32px)}.main-content{padding-top:21px}body{font-size:15px;line-height:1.75}h1{font-size:clamp(26px,7.5vw,30px)}h2{font-size:23px}.page-intro{padding:13px 0 24px;margin-bottom:24px}.lede{font-size:15px}.section{margin:36px 0}.channel-grid,.feature-split{grid-template-columns:minmax(0,1fr)}.channel{padding:19px}.visual-grid{gap:12px}.visual-text{padding:12px}.visual-text h3{font-size:16px}.visual-text p{font-size:13px}.gallery{grid-template-columns:minmax(0,1fr)}.gallery .media{max-height:260px;aspect-ratio:4/3}.gallery .media--portrait{max-height:260px;aspect-ratio:4/5}.footer-grid{grid-template-columns:1fr;gap:20px}.carousel-stage{height:clamp(140px,40vw,180px)}.panel{padding:19px}.read-table{font-size:14px}.read-table th,.read-table td{padding:10px 8px}.brand-picture{width:30px;height:30px}.brand-label strong{font-size:15px}.brand-label small{font-size:8px}}
@media(max-width:350px){.nav-top{gap:5px;grid-template-columns:42px minmax(0,1fr) 68px}.register{width:68px}.brand{gap:4px}.brand-picture{width:27px;height:27px}.brand-label strong{font-size:14px}.brand-label small{letter-spacing:.06em}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
