:root{--bg:#0D0D0D;--deep:#080808;--card:#161616;--muted:#1F1F1F;--hover:#2A2A2A;--text:#E8E8E8;--white:#fff;--sub:#B0B0B0;--aux:#777;--orange:#FF6B00;--orange2:#FF8C00;--orange3:#E65C00;--light:#FFB347;--border:rgba(255,107,0,.18);--border-strong:rgba(255,140,0,.40);--shadow:0 16px 48px rgba(0,0,0,.65);--glow:0 12px 36px rgba(255,107,0,.22);--max:1280px;--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}a,button,input,summary{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}::selection{background:var(--orange);color:#fff}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:sticky;top:0;z-index:80;background:rgba(8,8,8,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.nav-wrap{max-width:var(--max);height:74px;margin:auto;padding:0 18px;display:flex;align-items:center;gap:18px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content}.brand-logo{width:auto;height:34px;object-fit:contain}.brand-text{font-size:28px;font-weight:900;color:#fff;letter-spacing:-1px}.brand-en{font-size:11px;letter-spacing:.14em;color:var(--orange2);font-weight:800}.main-nav{display:flex;align-items:center;gap:4px;min-width:0}.main-nav a,.nav-pill{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 13px;border-radius:999px;color:var(--sub);white-space:nowrap;border:1px solid transparent}.main-nav a:hover,.nav-pill:hover,.main-nav a:focus-visible,.nav-pill:focus-visible{color:#fff;background:var(--hover);outline:none}.main-nav a.is-active,.nav-pill.is-active{color:#fff;background:rgba(255,107,0,.14);border-color:var(--border-strong)}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.icon-btn{min-height:44px;padding:0 14px;border-radius:999px;border:1px solid var(--border-strong);background:#141414;color:#fff}.icon-btn:hover,.icon-btn:focus-visible{background:#262626;outline:2px solid var(--orange);outline-offset:2px}.app-btn,.btn-primary{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;background:linear-gradient(135deg,#FF8C00 0%,#FF6B00 50%,#E65C00 100%);color:#fff;font-weight:800;box-shadow:var(--glow);white-space:nowrap}.btn-secondary{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;border:1px solid var(--border-strong);color:#fff;background:#141414;white-space:nowrap}.btn-primary:hover,.app-btn:hover{filter:brightness(1.08)}.btn-secondary:hover{background:var(--hover)}.btn-primary:focus-visible,.btn-secondary:focus-visible,.app-btn:focus-visible,a:focus-visible{outline:2px solid var(--orange2);outline-offset:3px}.mobile-only{display:none}
#main-content{min-height:65vh}.container{width:min(calc(100% - 36px),var(--max));margin-inline:auto}.page-hero{padding:72px 0 36px}.eyebrow{color:var(--orange2);font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.page-hero h1,.hero-copy h1{color:#fff;line-height:1.16;letter-spacing:-.03em;margin:.35em 0;font-size:clamp(34px,5vw,64px)}.page-hero p{max-width:820px;color:var(--sub);font-size:18px}.section{padding:44px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}.section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.2;margin:0;color:#fff}.section-head p{margin:0;max-width:680px;color:var(--sub)}.kicker{color:var(--orange);font-weight:800}.hero{padding:42px 0 28px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(320px,1fr);gap:26px;align-items:stretch}.hero-media,.media-frame{background:linear-gradient(145deg,#121212,#1c1c1c);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);min-height:390px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-media img,.media-frame img{width:100%;height:100%;object-fit:contain}.image-fallback{display:flex;align-items:center;justify-content:center;min-height:280px;width:100%;background:radial-gradient(circle at 30% 20%,rgba(255,107,0,.22),transparent 38%),linear-gradient(135deg,#111,#191919);color:#fff;font-size:clamp(26px,4vw,54px);font-weight:900;letter-spacing:-.04em}.hero-copy{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:32px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--shadow)}.hero-copy p{color:var(--sub);font-size:17px}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 24px}.mini-lines{display:grid;gap:10px}.mini-line{padding:12px 0;border-top:1px solid #292929}.mini-line strong{display:block;color:#fff}.mini-line span{color:var(--sub);font-size:14px}.quick-strip{border-block:1px solid #222;background:#111}.quick-scroll{display:flex;gap:20px;overflow:auto;padding:14px 0;scrollbar-width:thin}.quick-scroll a{white-space:nowrap;color:var(--sub);font-weight:700}.quick-scroll a:hover{color:var(--orange2)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:var(--card);border:1px solid #262626;border-radius:var(--radius);padding:22px;box-shadow:0 10px 32px rgba(0,0,0,.28)}.card:hover{border-color:var(--border-strong);transform:translateY(-1px)}.card h3{margin:0 0 8px;color:#fff;font-size:20px;line-height:1.35}.card p{margin:0;color:var(--sub)}.card .meta{font-size:13px;color:var(--orange2);font-weight:800;margin-bottom:8px}.card-link{display:inline-flex;margin-top:14px;color:var(--orange2);font-weight:800}.pill-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.pill{border:1px solid #2b2b2b;background:var(--muted);padding:16px 18px;border-radius:999px}.pill strong{color:#fff}.pill span{display:block;color:var(--sub);font-size:13px;margin-top:2px}.feature-split{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.feature-main{padding:30px;background:var(--card);border:1px solid var(--border);border-radius:18px}.feature-main h3{font-size:30px;margin:.2em 0}.feature-main p{color:var(--sub)}.stack{display:grid;gap:12px}.list-row{display:grid;grid-template-columns:54px 1fr auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid #292929}.num{font-size:30px;font-weight:900;color:var(--orange)}.tag{display:inline-flex;border:1px solid var(--border-strong);color:var(--light);padding:3px 9px;border-radius:999px;font-size:12px;font-weight:800}.rail{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x proximity}.rail .card{min-width:300px;scroll-snap-align:start}.vertical-list{display:grid;gap:0}.vertical-item{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:22px 0;border-top:1px solid #2a2a2a}.vertical-item .num{font-size:42px}.timeline{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(250px,1fr);gap:14px;overflow-x:auto;padding-bottom:10px}.timeline .card{position:relative}.timeline .card:before{content:"";position:absolute;top:0;left:0;width:5px;height:100%;background:var(--orange);border-radius:14px 0 0 14px}.quote-card{border-left:3px solid var(--orange);padding-left:18px}.notice{padding:18px 20px;border:1px solid var(--border-strong);background:rgba(255,107,0,.06);border-radius:14px;color:var(--sub)}.notice strong{color:#fff}.prose{max-width:900px}.prose h2{font-size:28px;color:#fff;margin:1.6em 0 .5em}.prose h3{font-size:21px;color:#fff}.prose p,.prose li{color:var(--text)}.prose ul{padding-left:1.2em}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px}.aside-box{position:sticky;top:98px;align-self:start;background:var(--card);border:1px solid #292929;border-radius:16px;padding:20px}.aside-box a{display:block;padding:9px 0;color:var(--sub)}.aside-box a:hover{color:var(--orange2)}details{border-top:1px solid #2c2c2c;padding:14px 0}summary{cursor:pointer;color:#fff;font-weight:800}details p{color:var(--sub)}
.channel-panel{position:fixed;z-index:110;top:0;right:0;width:min(470px,88vw);height:100dvh;background:#0a0a0a;border-left:1px solid var(--border-strong);box-shadow:-24px 0 60px rgba(0,0,0,.6);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s}.channel-panel.is-open{transform:none;visibility:visible;pointer-events:auto}.panel-head{height:74px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #2a2a2a}.panel-actions{display:flex;align-items:center;gap:8px}.panel-scroll{height:calc(100dvh - 74px);overflow-y:auto;padding:18px}.panel-group{margin-bottom:24px}.panel-group h2{font-size:13px;color:var(--orange2);text-transform:uppercase;letter-spacing:.12em}.panel-group a{display:block;padding:13px 0;border-bottom:1px solid #232323}.panel-group strong{display:block;color:#fff}.panel-group span{display:block;color:var(--sub);font-size:13px}.overlay{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.72);visibility:hidden;pointer-events:none;opacity:0;transition:opacity .2s ease,visibility .2s}.overlay.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-panel{position:fixed;z-index:120;top:74px;left:50%;width:min(1100px,calc(100% - 30px));transform:translate(-50%,-18px);background:#111;border:1px solid var(--border-strong);border-radius:18px;box-shadow:var(--shadow);padding:24px;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head h2{margin:0;color:#fff}.search-box{display:block;margin:18px 0}.search-box input{width:100%;height:54px;border:1px solid #353535;border-radius:14px;background:#080808;color:#fff;padding:0 16px;outline:none}.search-box input:focus{border-color:var(--orange2);box-shadow:0 0 0 3px rgba(255,107,0,.15)}.search-tags{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.search-tags span{color:var(--sub);font-size:13px}.search-tags button{border:1px solid #333;background:#1b1b1b;color:#ddd;border-radius:999px;padding:8px 12px}.search-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.search-links a{background:#171717;border:1px solid #292929;border-radius:12px;padding:14px;color:#fff}.search-links span{display:block;color:var(--sub);font-size:12px}.search-links a[hidden]{display:none}.mobile-bottom{display:none}
.site-footer{background:#050505;border-top:1px solid #202020;margin-top:72px}.footer-inner{width:min(calc(100% - 36px),var(--max));margin:auto;padding:54px 0 28px}.footer-brand{display:flex;justify-content:space-between;gap:30px;padding-bottom:28px;border-bottom:1px solid #202020}.footer-brand p{max-width:620px;color:#9c9c9c}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:30px 0}.footer-grid section{display:grid;align-content:start;gap:8px}.footer-grid h2{font-size:14px;color:#fff;margin:0 0 8px}.footer-grid a{color:#9d9d9d}.footer-grid a:hover{color:var(--orange2)}.footer-note{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #202020;padding-top:20px;color:#747474;font-size:13px}.footer-note p{margin:0;max-width:760px}
@media(max-width:980px){.main-nav{display:none}.desktop-only{display:none}.mobile-only{display:inline-flex}.desktop-search{display:none}.nav-wrap{height:66px;justify-content:space-between}.nav-wrap>.brand{position:absolute;left:50%;transform:translateX(-50%)}.nav-actions{margin-left:0}.nav-actions .app-btn{padding:0 15px}.hero-grid,.feature-split,.article-grid{grid-template-columns:1fr}.hero-copy{order:-1}.hero-media{min-height:260px}.aside-box{position:static}.pill-grid,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr 1fr}.search-panel{top:0;left:0;width:100%;height:100dvh;border-radius:0;transform:none;padding-top:20px;overflow:auto}.search-panel.is-open{transform:none}.search-links{grid-template-columns:1fr}.site-footer{padding-bottom:78px}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:70;left:0;right:0;bottom:0;background:rgba(8,8,8,.96);border-top:1px solid #2a2a2a;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:52px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#9b9b9b}.mobile-bottom a.is-active{color:var(--orange2);background:rgba(255,107,0,.09)}.footer-brand,.footer-note{display:block}.footer-note p+p{margin-top:10px}}
@media(max-width:660px){.container{width:min(calc(100% - 30px),var(--max))}.page-hero{padding-top:42px}.page-hero h1,.hero-copy h1{font-size:38px}.hero-copy{padding:24px}.grid-2,.grid-3,.grid-4,.pill-grid{grid-template-columns:1fr}.section{padding:34px 0}.section-head{display:block}.section-head p{margin-top:8px}.hero{padding-top:26px}.list-row{grid-template-columns:48px 1fr}.list-row>a{grid-column:2}.vertical-item{grid-template-columns:52px 1fr}.rail .card{min-width:82vw}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{padding-bottom:22px}.footer-brand-link{position:static;transform:none}.brand-en{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}