:root{--bg:#000;--deep:#0A0A0A;--surface:#111;--surface2:#1A1A1A;--hover:#222;--title:#fff;--text:#E8E8E8;--muted:#B0B0B0;--faint:#777;--line:rgba(255,255,255,.12);--strong:rgba(255,255,255,.35);--max:1280px;--header:74px}
*{box-sizing:border-box}html{background:#000;scroll-behavior:smooth}body{margin:0;background:#000;color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #fff;outline-offset:3px}
.skip-link{position:fixed;top:-80px;left:16px;z-index:500;background:#fff;color:#000;padding:10px 14px;border-radius:999px}.skip-link:focus{top:10px}.site-header{position:fixed;inset:0 0 auto;z-index:200;height:var(--header);background:rgba(0,0,0,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.topbar{width:min(calc(100% - 30px),var(--max));height:100%;margin:auto;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;min-width:100px}.brand-logo{max-width:118px;max-height:42px;object-fit:contain}.brand-text{font-size:23px;font-weight:900;color:#fff}.desktop-nav{display:flex;gap:3px;flex:1}.desktop-nav a,.text-button{min-height:44px;padding:0 11px;display:inline-flex;align-items:center;border-radius:999px;color:var(--muted);white-space:nowrap;border:1px solid transparent;background:transparent}.desktop-nav a:hover,.text-button:hover,.desktop-nav a.is-current{color:#fff;background:var(--surface2)}.top-actions{display:flex;gap:4px;align-items:center}.text-button,.icon-button,.close-button,.panel-search-button{cursor:pointer}.app-button{min-width:64px;min-height:44px;padding:0 16px;border-radius:999px;background:#fff;color:#000;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.mobile-menu-button{display:none}.icon-button,.close-button,.panel-search-button{min-height:44px;padding:0 14px;border:1px solid var(--strong);border-radius:999px;background:transparent;color:#fff}
main{padding-top:var(--header);min-height:60vh}.container{width:min(calc(100% - 30px),var(--max));margin:auto}.section{padding:74px 0;border-bottom:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-head h1,.section-head h2{margin:0;color:#fff;line-height:1.04;letter-spacing:-.04em}.section-head h2{font-size:clamp(30px,4vw,54px)}.section-head p{max-width:620px;margin:0;color:var(--muted)}.kicker{font-size:12px;letter-spacing:.18em;color:var(--faint);font-weight:800;text-transform:uppercase}.hero{padding:52px 0 64px}.hero-grid{display:grid;grid-template-columns:1.85fr 1fr;gap:34px}.hero-visual{min-height:500px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--surface)}.hero-visual img{width:100%;height:100%;object-fit:contain}.media-fallback{min-height:250px;border:1px solid var(--line);border-radius:inherit;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 78% 20%,rgba(255,255,255,.09),transparent 25%),linear-gradient(135deg,#181818,#050505)}.media-fallback span{font-size:clamp(30px,7vw,78px);font-weight:900;color:rgba(255,255,255,.12);white-space:nowrap}.hero-copy{display:flex;flex-direction:column;justify-content:center}.hero-copy h1,.inner-hero h1{font-size:clamp(42px,6vw,78px);line-height:.98;letter-spacing:-.055em;color:#fff;margin:8px 0 22px}.hero-copy p,.inner-hero p{color:var(--muted);margin:0}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.btn-primary,.btn-secondary{display:inline-flex;min-height:46px;padding:0 18px;align-items:center;justify-content:center;border-radius:999px;font-weight:800;white-space:nowrap}.btn-primary{background:#fff;color:#000}.btn-secondary{border:1px solid var(--strong);color:#fff}.mini-recs{border-top:1px solid var(--line);margin-top:auto}.mini-recs a{display:grid;grid-template-columns:26px 1fr;padding:13px 0;border-bottom:1px solid var(--line)}.mini-recs span{color:var(--faint)}.mini-recs strong{color:#fff}.channel-strip-wrap{border-block:1px solid var(--line);background:var(--deep)}.channel-strip{display:flex;gap:24px;overflow-x:auto;padding:14px 0}.channel-strip a{white-space:nowrap;color:var(--muted)}.grid-2,.grid-3,.grid-4{display:grid;gap:14px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.card h2,.card h3{color:#fff;margin:7px 0 12px;line-height:1.2}.card p{color:var(--muted);margin:0}.card a{display:inline-block;margin-top:18px;font-weight:800;color:#fff}.chip{display:block;padding:18px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}.chip strong{display:block;color:#fff}.chip span{display:block;color:var(--muted);font-size:13px}.wide-feature{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.wide-media{min-height:380px;border-radius:16px;overflow:hidden}.wide-media img{width:100%;height:100%;object-fit:contain}.number-list{counter-reset:n;border-top:1px solid var(--line)}.number-list a,.number-row{counter-increment:n;display:grid;grid-template-columns:72px 1fr auto;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:center}.number-list a:before,.number-row:before{content:counter(n,decimal-leading-zero);font-size:24px;font-weight:900;color:#fff}.number-list strong,.number-row strong{font-size:20px;color:#fff}.number-list span,.number-row span{color:var(--muted)}.horizontal-track,.timeline{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(270px,1fr);gap:14px;overflow-x:auto}.track-card,.timeline article{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--surface);min-height:220px}.track-card h3,.timeline h3{color:#fff;font-size:24px;margin:12px 0}.track-card p,.timeline p{color:var(--muted)}.track-card a{display:block;margin-top:20px;color:#fff;font-weight:800}.status{display:inline-flex;padding:4px 10px;border:1px solid var(--strong);border-radius:999px;font-size:12px}.ranking{counter-reset:r;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.rank{counter-increment:r;display:grid;grid-template-columns:90px 1fr;gap:18px;padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.rank:before{content:counter(r,decimal-leading-zero);font-size:50px;font-weight:900;color:#fff;line-height:1}.rank h3{margin:0;color:#fff}.rank p{color:var(--muted);margin:7px 0 0}.editorial article{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}.editorial small{color:#fff;font-weight:800;letter-spacing:.12em}.editorial h3{color:#fff;font-size:25px;margin:0 0 10px}.editorial p{color:var(--muted);margin:0}.app-showcase{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:center}.app-device{min-height:520px;padding:14px;border:1px solid var(--strong);border-radius:38px;background:#070707}.app-device img{width:100%;height:100%;object-fit:contain;border-radius:27px}.policy{padding:30px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.policy h3{color:#fff;font-size:27px;margin:8px 0 15px}.policy p{color:var(--muted)}.faq-list details{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:0 18px;margin-bottom:10px}.faq-list summary{cursor:pointer;color:#fff;font-weight:800;padding:18px 25px 18px 0}.faq-list p{color:var(--muted);margin:0;padding-bottom:18px}.brand-statement{padding:54px;border:1px solid var(--strong);border-radius:18px;background:linear-gradient(140deg,#171717,#050505)}.brand-statement h2{font-size:clamp(34px,5vw,66px);line-height:1;color:#fff;margin:8px 0 24px}.brand-statement p{color:var(--muted);max-width:980px}
.inner-hero{padding:70px 0 52px;border-bottom:1px solid var(--line)}.inner-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:end}.inner-media{min-height:300px;border-radius:16px;overflow:hidden}.inner-media img{width:100%;height:100%;object-fit:contain}.prose{max-width:930px}.prose h2{color:#fff;font-size:34px;line-height:1.16;margin:45px 0 14px}.prose p{color:var(--muted);margin:0 0 19px}.notice{padding:20px 22px;border-left:3px solid #fff;background:var(--surface);color:var(--muted);margin-top:28px}.cover-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.cover{min-height:300px;padding:28px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.06),transparent 55%),#0d0d0d;display:flex;flex-direction:column;justify-content:flex-end}.cover h2{font-size:32px;color:#fff;margin:8px 0}.cover p{color:var(--muted)}.big-chart{counter-reset:c}.big-chart article{counter-increment:c;display:grid;grid-template-columns:140px 1fr;gap:28px;padding:32px 0;border-bottom:1px solid var(--line)}.big-chart article:before{content:counter(c,decimal-leading-zero);font-size:78px;font-weight:900;color:#fff;line-height:.9}.big-chart h2{margin:0;color:#fff}.big-chart p{color:var(--muted)}.process{counter-reset:s;display:grid;gap:12px}.process article{counter-increment:s;display:grid;grid-template-columns:58px 1fr;gap:18px;padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.process article:before{content:counter(s,decimal-leading-zero);font-size:24px;font-weight:900;color:#fff}.process h3{margin:0 0 7px;color:#fff}.process p{color:var(--muted);margin:0}
.site-footer{border-top:1px solid var(--line);padding:64px 0 110px}.footer-inner{width:min(calc(100% - 30px),var(--max));margin:auto}.footer-brand{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;padding-bottom:28px;border-bottom:1px solid var(--line)}.footer-logo{max-width:110px;max-height:40px;object-fit:contain}.footer-logo-text{font-size:22px;font-weight:900;color:#fff}.footer-brand strong{display:block;color:#fff}.footer-brand span{color:var(--faint)}.footer-brand p{grid-column:1/-1;color:var(--muted);max-width:700px;margin:0}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:32px 0}.footer-links h2{font-size:13px;color:#fff}.footer-links a{display:block;color:#aaa;padding:5px 0}.footer-note,.footer-bottom{color:#777;font-size:13px}.footer-note{border-top:1px solid var(--line);padding-top:20px}.footer-bottom{display:flex;gap:20px;flex-wrap:wrap}
.screen-overlay{position:fixed;inset:0;z-index:240;background:rgba(0,0,0,.76);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.screen-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.side-panel{position:fixed;z-index:260;top:0;right:0;width:min(460px,88vw);height:100dvh;background:#090909;border-left:1px solid var(--line);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:.22s;display:flex;flex-direction:column}.side-panel.is-open{transform:none;visibility:visible;pointer-events:auto}.panel-head{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line)}.panel-brand{display:flex;align-items:center;gap:10px}.panel-brand img{max-width:92px;max-height:36px}.panel-scroll{overflow-y:auto;padding:18px 20px 34px}.panel-search-button{width:100%;text-align:left;margin-bottom:18px;color:var(--muted)}.panel-group{padding:16px 0;border-top:1px solid var(--line)}.panel-group h2{font-size:12px;letter-spacing:.14em;color:var(--faint)}.panel-group a{display:block;padding:9px;border-radius:10px}.panel-group a:hover{background:var(--hover)}.panel-group strong{display:block;color:#fff}.panel-group span{display:block;color:var(--muted);font-size:13px;line-height:1.5}.search-panel{position:fixed;z-index:270;top:var(--header);left:0;right:0;background:#090909;border-bottom:1px solid var(--line);max-height:calc(100dvh - var(--header));overflow:auto;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-15px);transition:.2s}.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.search-inner{width:min(calc(100% - 30px),var(--max));margin:auto;padding:24px 0 30px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-inner label{display:block;color:var(--muted);font-size:13px;margin:15px 0 8px}.search-inner input{width:100%;height:56px;border:1px solid var(--strong);border-radius:12px;background:#111;color:#fff;padding:0 16px}.search-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:20px 0}.search-columns h2{font-size:13px;color:var(--muted)}.chip-row{display:flex;gap:8px;flex-wrap:wrap}.chip-row a{padding:8px 12px;border:1px solid var(--line);border-radius:999px}.search-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.search-list li{border-bottom:1px solid var(--line)}.search-list a{display:flex;justify-content:space-between;padding:14px 0}.search-list span{color:var(--muted);font-size:13px}.mobile-bottom-nav{display:none}
@media(max-width:1080px){.desktop-nav a{padding-inline:7px;font-size:14px}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){:root{--header:66px}.topbar{display:grid;grid-template-columns:1fr auto 1fr;width:calc(100% - 30px)}.desktop-nav,.desktop-only{display:none!important}.mobile-menu-button{display:inline-flex;align-items:center;justify-content:center;justify-self:start}.brand{justify-self:center;min-width:0}.top-actions{justify-self:end}.hero-grid,.wide-feature,.inner-grid,.app-showcase{grid-template-columns:1fr}.hero-grid{display:flex;flex-direction:column}.hero-copy{display:contents}.hero-visual{order:1;min-height:280px}.mini-recs{order:2;width:100%}.grid-3{grid-template-columns:repeat(2,1fr)}.editorial article{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.search-panel{top:0;height:100dvh;max-height:none}.mobile-bottom-nav{position:fixed;z-index:180;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(0,0,0,.97);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{min-height:54px;display:flex;align-items:center;justify-content:center;color:#777;font-size:12px}.mobile-bottom-nav a.is-current{color:#fff;background:#161616}.site-footer{padding-bottom:calc(92px + env(safe-area-inset-bottom))}}
@media(max-width:620px){.container,.footer-inner,.search-inner{width:calc(100% - 30px)}.section{padding:48px 0}.hero-copy h1{font-size:45px}.hero-visual{min-height:220px}.grid-2,.grid-3,.grid-4,.cover-grid,.ranking,.search-columns{grid-template-columns:1fr}.chip{border-radius:14px}.number-list a,.number-row{grid-template-columns:55px 1fr}.number-list span,.number-row span{grid-column:2}.horizontal-track,.timeline{grid-auto-columns:85%}.big-chart article{grid-template-columns:88px 1fr;gap:18px}.big-chart article:before{font-size:54px}.brand-statement{padding:32px 22px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}