*{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}button{font:inherit;cursor:pointer;touch-action:manipulation}a:focus-visible,button:focus-visible{outline:2px solid #D7A84B;outline-offset:3px}a:hover{color:#FF684E}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#F7F8FA;line-height:1.3}h1{font-size:clamp(28px,3.3vw,42px);letter-spacing:-.02em}h2{font-size:clamp(22px,2.3vw,28px)}h3{font-size:19px}p{margin-bottom:1.1em}small{font-size:12px}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)}.header-top{display:flex;align-items:center;gap:20px;min-height:72px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#F7F8FA}.brand img{width:47px;height:44px;object-fit:contain}.brand b{font-size:22px;white-space:nowrap;display:block;line-height:1.1}.brand small{color:#D7A84B;display:block;font-size:10px;letter-spacing:.16em}.main-nav{display:flex;align-items:center;justify-content:center;gap:clamp(12px,1.7vw,26px);flex:1;min-width:0}.main-nav a,.sub-nav a{white-space:nowrap;font-weight:600;font-size:14px;min-height:44px;display:inline-flex;align-items:center;border-bottom:2px solid transparent}.main-nav a.active,.sub-nav a.active{color:#FF684E;border-bottom-color:#F45132}.register{background:#F45132;color:white!important;font-weight:700;border-radius:9px;min-width:74px;min-height:42px;display:inline-flex;justify-content:center;align-items:center;flex-shrink:0}.register:hover{background:#FF684E}.header-sub{border-top:1px solid rgba(255,255,255,.07)}.sub-nav{display:flex;align-items:center;gap:34px;min-height:43px}.sub-nav a{font-size:13px;min-height:43px;color:#AEB4C0}.menu-toggle,.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.section{padding-block:48px}.section+.section{border-top:1px solid rgba(255,255,255,.07)}.eyebrow{font-weight:800;color:#D7A84B;text-transform:uppercase;letter-spacing:.13em;font-size:12px;margin-bottom:12px}.lead{font-size:18px;color:#D5D8DF;max-width:850px}.section-intro{max-width:860px;margin-bottom:32px}.accent{color:#FF684E}.panel{background:#1A1E27;border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:26px;min-width:0}.panel-soft{background:#222733;border-radius:14px;padding:22px;min-width:0}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.card a.more,.text-link{color:#FF684E;font-weight:700;display:inline-flex;min-height:40px;align-items:center}.card h3{margin-bottom:12px}.card p{font-size:15px;color:#D5D8DF}.tag{display:inline-block;color:#D7A84B;font-size:12px;font-weight:700;letter-spacing:.07em}.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--portrait{aspect-ratio:4/5}.media--app{aspect-ratio:3/4;max-width:360px;margin-inline:auto}.media-empty{position:absolute;inset:0;background:linear-gradient(135deg,#1A1E27,#222733)}.media + h3,.media + p{margin-top:16px}.feature{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:30px;align-items:center}.feature.reverse{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}.feature.reverse .media{order:2}.feature .copy{min-width:0}.link-list{display:flex;gap:12px;flex-wrap:wrap}.link-list a{border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:7px 14px;font-size:14px;min-height:42px;display:inline-flex;align-items:center}.link-list a:hover{border-color:#F45132}.split{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:32px;align-items:start}.article{min-width:0}.article .chapter{padding-block:26px;border-bottom:1px solid rgba(255,255,255,.09)}.article .chapter:first-child{padding-top:0}.article .chapter p{max-width:78ch}.article .chapter h2{padding-left:13px;border-left:3px solid #F45132}.sidebar{position:sticky;top:16px}.sidebar a{display:block;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:14px}.sidebar h2{font-size:19px}.related{padding-top:38px}.related h2{font-size:23px}.page-hero{padding:48px 0 22px}.page-hero p{max-width:900px}.narrow{max-width:860px}.narrow .chapter{padding-bottom:32px}.carousel-shell{padding-top:22px}.carousel{position:relative;background:#12151c;border:1px solid rgba(255,255,255,.09);border-radius:16px;overflow:hidden}.carousel .media{height:clamp(220px,24vw,300px);aspect-ratio:auto;border-radius:0}.slide[hidden]{display:none}.carousel-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px}.carousel-controls button{background:#222733;border:1px solid rgba(255,255,255,.15);color:#F7F8FA;border-radius:8px;width:42px;height:42px}.carousel-dots{display:flex;gap:10px}.carousel-dot{width:15px!important;height:15px!important;border-radius:50%!important;padding:0}.carousel-dot[aria-current="true"]{background:#F45132}.visual-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.visual-item{min-width:0}.visual-item h3{font-size:17px;margin:15px 0 8px}.visual-item p{font-size:14px}.index-lines a{display:block;border-bottom:1px solid rgba(255,255,255,.1);padding:14px 0;min-height:44px}.faq-item{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}.faq-item h3{margin-bottom:9px}.notice{border-left:3px solid #D7A84B;padding:18px 22px;background:#1A1E27;border-radius:0 10px 10px 0}.gallery-group{padding:30px 0}.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.gallery-item{min-width:0}.gallery-item .media{aspect-ratio:16/9}.gallery-item .media--portrait{aspect-ratio:4/5;max-height:420px}.gallery-item p{font-size:14px}.category-jump{display:flex;flex-wrap:wrap;gap:10px}.category-jump a{background:#222733;border-radius:8px;padding:8px 16px;min-height:44px}.category-jump a:hover{background:#F45132;color:white}.footer{border-top:1px solid rgba(255,255,255,.09);background:#151820;margin-top:48px}.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;padding-block:36px}.footer-cols h2{font-size:17px;margin-bottom:12px}.footer-cols a{display:block;color:#AEB4C0;font-size:14px;min-height:35px}.footer-cols a:hover{color:#FF684E}.footer-base{border-top:1px solid rgba(255,255,255,.09);display:flex;align-items:center;justify-content:space-between;gap:18px;padding-block:20px;font-size:12px;color:#AEB4C0;flex-wrap:wrap}.footer-base p{margin:0}.footer-brand{display:flex;gap:8px;align-items:center;color:white}.footer-brand img{width:30px;height:30px;object-fit:contain}.footer-brand small{color:#D7A84B}.list-number{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.list-number .panel{padding:22px}.list-number h3{color:#FF684E}.article-image{margin:20px 0 30px;max-width:780px}.pill{color:#D7A84B;font-size:13px;font-weight:600}.foot-note{font-size:14px;color:#AEB4C0}.drawer-open{overflow:hidden}@media(max-width:1024px){.container{width:calc(100% - 48px)}.main-nav,.header-sub{display:none}.header-top{display:grid;grid-template-columns:44px minmax(0,1fr) 70px;gap:8px;min-height:64px}.menu-toggle{display:flex;width:42px;height:42px;background:transparent;color:white;border:1px solid rgba(255,255,255,.2);border-radius:8px;justify-content:center;align-items:center}.brand{justify-self:center;gap:5px;min-width:0}.brand img{width:37px;height:38px}.brand b{font-size:18px}.brand small{font-size:8px}.register{min-width:64px;min-height:40px;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-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.1)}.drawer-close{background:#222733;color:white;border:0;width:42px;height:42px;border-radius:7px}.mobile-drawer nav{padding:8px 22px 34px}.mobile-drawer nav h2{font-size:12px;letter-spacing:.07em;color:#D7A84B;margin:20px 0 4px}.mobile-drawer nav a{display:block;padding:8px 0;min-height:42px;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,.13);padding-bottom:env(safe-area-inset-bottom,0px)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:55px;font-size:13px;font-weight:700}.mobile-bottom a:last-child{color:#FF684E}body{padding-bottom:calc(55px + env(safe-area-inset-bottom,0px))}.split{grid-template-columns:minmax(0,1fr)}.sidebar{position:static}.footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){body{font-size:15px;line-height:1.75}.container{width:calc(100% - 32px)}.section{padding-block:32px}.page-hero{padding:31px 0 12px}.lead{font-size:16px}h1{font-size:28px}h2{font-size:22px}.grid-3,.grid-2,.feature,.feature.reverse,.gallery,.list-number{grid-template-columns:minmax(0,1fr)}.feature.reverse .media{order:0}.panel{padding:20px}.carousel .media{height:clamp(140px,40vw,180px)}.carousel-controls{padding:10px}.visual-grid{gap:12px}.visual-item .media{aspect-ratio:4/3}.gallery-item .media--portrait{max-height:260px}.footer-cols{grid-template-columns:minmax(0,1fr);gap:20px}.footer-base{display:block}.footer-base>*{margin-bottom:12px!important}.header-top .brand b{font-size:17px}.header-top .brand img{width:32px}.header-top .brand small{letter-spacing:.05em}.carousel-controls button{width:40px;height:40px}.card h3{font-size:18px}}@media(max-width:350px){.header-top{gap:4px;grid-template-columns:40px minmax(0,1fr) 60px}.header-top .brand b{font-size:16px}.brand img{width:28px!important}.register{min-width:60px}.menu-toggle{width:40px;height:40px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}