*{box-sizing:border-box}
html{background:#0d1015;scroll-behavior:smooth}
body{margin:0;background:#0d1015;color:#d9dde5;font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:#f6f7f9;text-decoration:none;touch-action:manipulation}
img{max-width:100%}
button{font:inherit}
.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}
.site-header{position:relative;z-index:100;background:#141820;border-bottom:1px solid rgba(255,255,255,.08)}
.desktop-nav{height:74px;display:flex;align-items:center;gap:22px}
.brand,.mobile-brand{display:flex;align-items:center;gap:10px;min-width:0}
.logo{width:42px;height:42px;border-radius:10px;object-fit:contain;background:#11151c;display:block;flex:0 0 auto}
.logo.placeholder{background:linear-gradient(135deg,#171c25,#252d3a)}
.brand b{display:block;font-size:18px}
.brand small{display:block;font-size:10px;color:#9ba4b3;letter-spacing:.16em}
.nav-links{display:flex;flex:1;align-items:center;justify-content:center;gap:2px;white-space:nowrap}
.nav-links a{height:74px;display:flex;align-items:center;padding:0 11px;color:#aeb5c1;border-bottom:2px solid transparent}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff;border-bottom-color:#F45132}
.cta{min-width:76px;height:42px;padding:0 20px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:#F45132;color:#fff;font-weight:800;flex:0 0 auto}
.cta:hover{background:#FF684E}
.subnav{background:#10141b;border-top:1px solid rgba(255,255,255,.05)}
.subnav .wrap{min-height:38px;display:flex;align-items:center;gap:22px;overflow-x:auto;scrollbar-width:none}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav a{font-size:14px;color:#9fa8b6;white-space:nowrap}
.mobile-nav{display:none}

.site-main{padding-bottom:46px}
.hero{padding:56px 0 30px}
.hero .label{display:inline-flex;align-items:center;gap:8px;color:#D7A84B;font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:10px}
.hero .label:before{content:"";width:24px;height:2px;background:#F45132}
.hero h1{margin:0 0 14px;color:#f7f8fa;font-size:clamp(32px,4.4vw,44px);line-height:1.16}
.hero p{max-width:880px;margin:0;color:#abb3bf;font-size:17px}
.section{padding:24px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:16px}
.section-head h2{margin:0;color:#fff;font-size:25px;line-height:1.25}
.section-head p{margin:0;color:#9fa8b6;font-size:14px}
.grid-2,.grid-3,.grid-4{display:grid;gap:18px}
.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))}
.panel,.card{background:#171c25;border:1px solid rgba(255,255,255,.08);border-radius:15px}
.panel{padding:22px}
.card{overflow:hidden}
.card-body{padding:18px}
.panel h2,.panel h3,.card h3{color:#f7f8fa;margin-top:0}
.card h3{font-size:19px;margin-bottom:8px}
.panel p:last-child,.card p:last-child{margin-bottom:0}
.card p{color:#abb3bf}
.link{display:inline-flex;margin-top:12px;border-bottom:1px solid #F45132;color:#fff}
.link:hover{color:#FF684E}
.tagrow,.linkrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tagrow span{font-size:13px;padding:5px 10px;border-radius:999px;background:#222936;color:#b7bfca}
.linkrow a{min-height:40px;display:inline-flex;align-items:center;padding:0 14px;border-radius:999px;background:#202631;border:1px solid rgba(255,255,255,.08)}
.linkrow a:hover{border-color:#F45132}
.feature{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}
.feature.reverse{grid-template-columns:.95fr 1.05fr}
.feature h2{margin:0 0 10px;color:#fff;font-size:27px}
.feature p{margin:0 0 12px}
.kicker{font-size:13px;font-weight:800;color:#D7A84B}
.note{background:#171c25;border-left:3px solid #D7A84B;padding:16px 18px;border-radius:0 10px 10px 0}

.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#11151c;aspect-ratio:16/9}
.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}
.media-4x5{aspect-ratio:4/5}
.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#10141b,#222936);display:block}
.media-placeholder:after{content:"";position:absolute;width:44px;height:44px;border:1px solid rgba(255,255,255,.12);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}

.slider{position:relative}
.slider-stage{height:270px;position:relative;background:#11151c;border:1px solid rgba(255,255,255,.08);border-radius:15px;overflow:hidden}
.slide{position:absolute;inset:0;display:none}
.slide.active{display:block}
.slide img{width:100%;height:100%;object-fit:contain;display:block}
.slider-controls{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px}
.prev,.next,.dot,.menu-toggle,.drawer-close,.backtop{border:0;cursor:pointer}
.prev,.next{width:40px;height:40px;border-radius:50%;background:#202631;color:#fff}
.dots{display:flex;gap:7px}
.dot{width:9px;height:9px;border-radius:50%;padding:0;background:#4a5260}
.dot.active{background:#F45132}

.timeline{display:grid;gap:14px}
.timeline article{display:grid;grid-template-columns:110px 1fr;gap:18px;background:#171c25;border:1px solid rgba(255,255,255,.08);border-radius:13px;padding:18px}
.timeline strong{color:#D7A84B}
.timeline h3{margin:0 0 6px;color:#fff}
.timeline p{margin:0}

.site-footer{background:#141820;border-top:1px solid rgba(255,255,255,.08);padding:44px 0 22px}
.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.footer-grid h2{font-size:16px;color:#fff;margin:0 0 12px}
.footer-grid a{display:block;min-height:40px;padding:5px 0;color:#aab2be}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.08);margin-top:28px;padding-top:20px;color:#9fa8b6;font-size:14px}
.footer-bottom p{margin:0}
.mobile-bottom{display:none}
.backtop{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border-radius:50%;background:#202631;color:#fff;z-index:9000;opacity:0;pointer-events:none;transition:.2s}
.backtop.show{opacity:1;pointer-events:auto}

.mobile-drawer,
.drawer-mask{display:none}
@media(max-width:980px){
.mobile-nav{height:64px;display:grid;grid-template-columns:76px 1fr 76px;align-items:center;width:calc(100% - 24px);margin:0 auto;gap:6px}
.desktop-nav{display:none}
.menu-toggle{width:44px;height:44px;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:9px}
.menu-toggle span{height:2px;background:#fff;border-radius:2px}
.mobile-brand{justify-self:center;font-size:15px;white-space:nowrap}
.mobile-brand .logo{width:32px;height:32px}
.mobile-cta{justify-self:end;min-width:66px;height:40px;padding:0 13px}
.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#151820;color:#F7F8FA;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;overflow-y:auto}
.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-head{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-close{width:40px;height:40px;border-radius:50%;background:#202631;color:#fff;font-size:24px}
.drawer-section{padding:15px 16px;border-bottom:1px solid rgba(255,255,255,.07)}
.drawer-section span{display:block;color:#D7A84B;font-size:13px;font-weight:800;margin-bottom:6px}
.drawer-section a{display:flex;align-items:center;min-height:44px;color:#d8dce3}
.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
.feature,.feature.reverse{grid-template-columns:1fr}
.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:10000;background:#141820;border-top:1px solid rgba(255,255,255,.08);min-height:64px;padding-bottom:env(safe-area-inset-bottom)}
.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:44px;font-size:14px;color:#d8dce3}
.mobile-bottom .accent{color:#F45132;font-weight:800}
.site-main{padding-bottom:88px}
.backtop{bottom:82px}
}
@media(max-width:680px){
.wrap{width:calc(100% - 24px)}
.hero{padding:38px 0 22px}
.hero h1{font-size:30px}
.hero p{font-size:16px}
.section{padding:20px 0}
.section-head{align-items:flex-start;flex-direction:column;gap:4px}
.section-head h2{font-size:22px}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
.panel{padding:18px}
.slider-stage{height:170px}
.media-4x5{max-height:260px}
.timeline article{grid-template-columns:1fr;gap:8px}
.footer-grid{grid-template-columns:1fr}
.footer-bottom{flex-direction:column;gap:6px}
}
@media(max-width:390px){
.mobile-nav{grid-template-columns:64px 1fr 64px}
.mobile-cta{min-width:60px;padding:0 10px}
.mobile-brand{gap:6px}
.mobile-brand .logo{width:30px;height:30px}
}