*,*::before,*::after{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;overflow-wrap:anywhere;touch-action:manipulation}a:hover{color:#FF684E}button{font:inherit;touch-action:manipulation;cursor:pointer}button:focus-visible,a:focus-visible{outline:2px solid #D7A84B;outline-offset:3px}img{max-width:100%}h1,h2,h3{color:#F7F8FA;line-height:1.3;letter-spacing:.01em}h1{font-size:clamp(28px,3.4vw,40px);margin:.1em 0 .55em}h2{font-size:clamp(22px,2.4vw,27px);margin:0 0 19px}h3{font-size:19px;margin:0 0 11px}p{margin:0 0 16px}li{margin-bottom:9px}ul,ol{padding-left:24px}.shell{width:min(1200px,calc(100% - 40px));margin-inline:auto;min-width:0}.main-content{padding:42px 0 75px;min-height:50vh}.site-header{background:#151820;border-bottom:1px solid rgba(255,255,255,.09);position:relative;z-index:30}.header-top{display:flex;align-items:center;gap:28px;min-height:76px}.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;white-space:nowrap}.brand .media--logo{width:48px;height:46px;background:transparent}.brand-name{font-weight:850;color:#F7F8FA;font-size:22px;line-height:1.05;letter-spacing:.04em}.brand-name small{display:block;font-size:10px;letter-spacing:.16em;color:#AEB4C0;margin-top:5px}.desktop-main{display:flex;align-items:center;justify-content:center;gap:clamp(12px,1.7vw,26px);flex:1;min-width:0}.desktop-main a{font-size:14px;font-weight:700;white-space:nowrap;min-height:44px;display:flex;align-items:center;position:relative}.desktop-main a.active{color:#F7F8FA}.desktop-main a.active::after{content:"";height:3px;position:absolute;bottom:7px;left:0;right:0;background:#F45132;border-radius:2px}.register{background:#F45132;color:#fff;padding:7px 22px;border-radius:9px;font-weight:800;min-height:42px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.register:hover{background:#FF684E;color:#fff}.desktop-sub{border-top:1px solid rgba(255,255,255,.06);background:#181c25}.sub-links{min-height:42px;display:flex;align-items:center;justify-content:center;gap:clamp(20px,3.6vw,54px)}.sub-links a{font-size:13px;color:#AEB4C0;white-space:nowrap}.sub-links a.active{color:#D7A84B}.skip{position:absolute;left:-9999px;top:0;z-index:999}.skip:focus{left:12px;top:12px;padding:10px;background:#222733}.menu-toggle{display:none}.mobile-drawer,.drawer-mask{display:none}.mobile-bottom{display:none}.eyebrow{color:#D7A84B;letter-spacing:.13em;text-transform:uppercase;font-weight:800;font-size:12px}.intro{max-width:790px;color:#AEB4C0;font-size:17px;line-height:1.8}.page-intro{margin-bottom:34px;border-bottom:1px solid rgba(255,255,255,.09);padding-bottom:25px}.page-intro .eyebrow{margin-bottom:8px}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 274px;align-items:start;gap:45px}.content-grid>*{min-width:0}.prose{max-width:840px}.prose section{margin-bottom:38px}.prose p{line-height:1.85}.prose a:not(.link-card),.text-link{color:#ff8e76;text-decoration:underline;text-decoration-color:rgba(255,142,118,.3);text-underline-offset:4px}.aside-nav{background:#1A1E27;padding:24px;border:1px solid rgba(255,255,255,.09);border-radius:15px;position:sticky;top:24px}.aside-nav h2{font-size:19px}.aside-nav a{display:block;padding:11px 0;border-top:1px solid rgba(255,255,255,.08);color:#D5D8DF;font-size:14px}.aside-nav a:hover{color:#FF684E}.panel{background:#1A1E27;border:1px solid rgba(255,255,255,.09);padding:26px;border-radius:15px;min-width:0}.panel-soft{background:#222733;border-radius:13px;padding:24px}.section{margin:50px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:15px;margin-bottom:23px}.section-head h2{margin:0}.section-head a{font-size:14px;color:#ff8e76}.accent-rule{width:48px;height:3px;border-radius:2px;background:#F45132;margin:12px 0 19px}.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--square{aspect-ratio:1/1}.media--app{aspect-ratio:3/4;max-width:360px;margin-inline:auto}.media--logo{aspect-ratio:auto;overflow:visible}.media--logo img{position:static;width:100%;height:100%;object-fit:contain}.media--empty{background:linear-gradient(140deg,#191d26,#242a35);border:1px solid rgba(255,255,255,.06)}.feature{display:grid;grid-template-columns:1.06fr .94fr;gap:35px;align-items:center}.feature.reverse{grid-template-columns:.94fr 1.06fr}.feature>*{min-width:0}.feature h2{margin-top:5px}.link-line{display:flex;gap:12px;flex-wrap:wrap}.link-line a{color:#ff8e76;font-weight:700;min-height:40px;display:inline-flex;align-items:center}.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.channel-card{background:#1A1E27;border:1px solid rgba(255,255,255,.08);padding:25px;border-radius:15px}.channel-card .num{color:#D7A84B;font-weight:800;font-size:12px}.channel-card h2{font-size:23px;margin:14px 0}.channel-card a{color:#ff8e76;font-weight:750}.visual-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.visual-item{min-width:0}.visual-item h3{margin:15px 0 7px;font-size:18px}.visual-item p{font-size:14px;color:#AEB4C0}.visual-item .media{aspect-ratio:4/3}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.index-list{padding:0;list-style:none}.index-list li{border-top:1px solid rgba(255,255,255,.1);padding:15px 0;margin:0}.index-list li a{display:flex;justify-content:space-between;gap:12px;color:#F7F8FA}.index-list li a span{color:#ff8e76}.faq-list{display:grid;gap:14px}.faq-list article{padding:20px 22px;border-left:3px solid #F45132;background:#1A1E27;border-radius:0 10px 10px 0}.faq-list h3{font-size:17px}.faq-list p{margin:0;color:#AEB4C0}.closing{padding:30px;border:1px solid #5a473c;background:#211d1c;border-radius:15px}.closing h2{font-size:23px}.related{border-top:1px solid rgba(255,255,255,.1);padding-top:28px;margin:45px 0 5px}.related h2{font-size:22px}.related-links{display:flex;flex-wrap:wrap;gap:12px}.related-links a{display:inline-flex;align-items:center;gap:12px;justify-content:space-between;min-height:44px;border-radius:9px;padding:10px 15px;background:#222733;color:#F7F8FA}.related-links span{color:#FF684E}.step-list{counter-reset:step;list-style:none;padding:0}.step-list>li{position:relative;padding:0 0 23px 54px;border-left:1px solid rgba(255,255,255,.12);margin:0 0 0 18px}.step-list>li::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:-19px;top:0;width:38px;height:38px;display:grid;place-items:center;background:#F45132;color:white;border-radius:50%;font-size:13px;font-weight:800}.step-list h3{padding-top:4px}.note{background:#23252c;border-left:3px solid #D7A84B;padding:16px 20px;border-radius:0 9px 9px 0;color:#D5D8DF;margin:20px 0}.tagline{color:#D7A84B;font-size:13px;font-weight:800}.gallery-nav{display:flex;gap:11px;flex-wrap:wrap;margin:16px 0 36px}.gallery-nav a{padding:9px 17px;background:#222733;border-radius:30px;min-height:42px}.gallery-group{margin-bottom:40px}.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px}.gallery-card{min-width:0;background:#1A1E27;border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:12px}.gallery-card .media{aspect-ratio:4/3}.gallery-card.portrait .media{aspect-ratio:4/5}.gallery-card h3{font-size:18px;margin:14px 4px 7px}.gallery-card p{font-size:14px;line-height:1.8;color:#AEB4C0;margin:0 4px 10px}.carousel{position:relative;background:#151820;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.09)}.slide[hidden]{display:none!important}.carousel .media{height:clamp(220px,24vw,300px);aspect-ratio:auto;border-radius:0}.carousel-actions{display:flex;justify-content:center;align-items:center;gap:18px;padding:10px}.carousel-arrow{width:42px;height:42px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.18);background:#222733;border-radius:50%;color:#fff;font-size:23px}.carousel-dots{display:flex;gap:9px}.carousel-dot{width:13px;height:13px;border:0;border-radius:50%;background:#626974;padding:0}.carousel-dot[aria-pressed=true]{background:#F45132}.hero-copy{padding:29px 0 7px}.hero-copy .intro{max-width:800px}.table-wrap{overflow-x:auto}.info-table{width:100%;border-collapse:collapse;min-width:480px}.info-table th,.info-table td{padding:15px;text-align:left;border-bottom:1px solid rgba(255,255,255,.1);vertical-align:top}.info-table th{color:#F7F8FA;background:#222733}.info-table td:first-child{color:#D7A84B;font-weight:700}.article-stack article{padding:23px 0;border-top:1px solid rgba(255,255,255,.1)}.article-stack h2{font-size:22px}.app-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(210px,350px);gap:40px;align-items:center}.site-footer{background:#151820;border-top:1px solid rgba(255,255,255,.09);padding-top:44px}.footer-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:35px}.footer-grid h2{font-size:16px;margin:0 0 16px}.footer-grid>div>a:not(.brand){display:block;font-size:14px;color:#AEB4C0;padding:5px 0;min-height:40px}.footer-about p{max-width:290px;font-size:13px;color:#AEB4C0;margin-top:17px}.footer-brand .media--logo{width:40px;height:40px}.footer-brand .brand-name{font-size:19px}.footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(255,255,255,.09);margin-top:27px;padding:20px 0 22px;font-size:12px;color:#AEB4C0}.footer-bottom p{margin:0}@media(max-width:1024px){.desktop-main,.desktop-sub{display:none}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;align-items:center;width:44px;height:44px;border:0;background:transparent;padding:8px;flex:0 0 44px}.menu-toggle span{display:block;width:23px;height:2px;background:#F7F8FA}.header-top{min-height:64px;gap:9px;justify-content:space-between}.header-top>.brand{margin-right:auto}.header-top>.brand .media--logo{width:39px;height:39px}.header-top>.brand .brand-name{font-size:18px}.register{padding:7px 13px;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}.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}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.1)}.drawer-brand{display:flex;gap:10px;align-items:center;font-weight:800}.drawer-brand .media{width:39px;height:39px;background:transparent}.drawer-close{width:44px;height:44px;color:white;border:0;background:#222733;font-size:30px;border-radius:9px}.mobile-drawer nav{padding:8px 18px 35px}.mobile-drawer nav h2{color:#D7A84B;font-size:13px;margin:20px 0 7px}.mobile-drawer nav a{display:block;min-height:43px;padding:8px 10px;border-bottom:1px solid rgba(255,255,255,.07);font-size:15px}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:200;background:#181c25;border-top:1px solid rgba(255,255,255,.13);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-width:0;display:flex;align-items:center;justify-content:center;flex-direction:column;font-size:12px;height:59px;line-height:1.35;color:#D5D8DF}.mobile-bottom a[aria-current=page],.mobile-bottom a:last-child{color:#FF684E}.bottom-icon{font-size:21px;margin-bottom:2px}.main-content{padding-bottom:108px}.footer-bottom{padding-bottom:91px}.content-grid{grid-template-columns:minmax(0,1fr)}.aside-nav{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){body{font-size:15.5px}.shell{width:calc(100% - 32px)}.main-content{padding-top:27px}.section{margin:36px 0}.channel-grid,.two-col,.feature,.feature.reverse,.app-split{grid-template-columns:1fr}.feature{gap:21px}.visual-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.visual-item .media{aspect-ratio:4/3}.gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.gallery-card{padding:8px}.gallery-card h3{font-size:15px;margin:10px 3px 5px}.gallery-card p{font-size:13px}.gallery-card.portrait .media{aspect-ratio:4/5;max-height:260px}.gallery-card .media{max-height:260px}.carousel .media{height:clamp(140px,40vw,180px)}.channel-card{padding:22px}.panel{padding:20px}.section-head{align-items:start}.footer-grid{grid-template-columns:1fr}.footer-about p{max-width:100%}.footer-bottom{flex-direction:column}.intro{font-size:15.5px}.page-intro{margin-bottom:28px}.app-split .media--app{max-width:270px}}@media(max-width:370px){.header-top{gap:5px}.header-top>.brand{gap:5px}.header-top>.brand .media--logo{width:34px;height:36px}.header-top>.brand .brand-name{font-size:16px}.header-top>.brand .brand-name small{font-size:8px}.register{padding:6px 11px}.visual-grid,.gallery-grid{grid-template-columns:1fr}.gallery-card .media{max-height:260px}.main-content{padding-top:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}