*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#090d13;color:#edf3f6;font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.74}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;background:#fff;color:#111;padding:8px;z-index:99}.site-header{position:sticky;top:0;z-index:60;background:rgba(9,13,19,.96);border-bottom:1px solid #25303a;backdrop-filter:blur(10px)}.header-inner{max-width:1210px;height:72px;margin:auto;padding:0 24px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;margin-right:auto}.brand span{background:#78d58d;color:#0b1b10;padding:6px 10px;border-radius:4px;font-weight:900}.brand small{font-size:9px;letter-spacing:.12em;color:#748692}.desktop-nav{display:flex;gap:21px;color:#9cabb5;font-size:14px}.header-cta{background:#78d58d;color:#0b1b10;padding:10px 15px;border-radius:5px;font-weight:900}.menu-btn,.mobile-nav{display:none}.hero{max-width:1210px;margin:auto;padding:76px 24px 66px;display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}.eyebrow,.section-label,.final-cta p{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:900;color:#78d58d}.hero h1{font-size:clamp(46px,6vw,76px);line-height:1.03;letter-spacing:-.045em;margin:10px 0 20px}.hero-lead{font-size:18px;color:#aebbc4}.hero-actions{display:flex;gap:12px;margin-top:28px}.btn{min-height:50px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;border-radius:5px;font-weight:900}.primary{background:#78d58d;color:#0b1b10}.ghost{border:1px solid #32404b}.update-console{background:#0f151d;border:1px solid #2c3843;border-radius:13px;padding:20px;box-shadow:0 28px 60px rgba(0,0,0,.28)}.console-top{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.13em;color:#71818d}.console-progress{height:12px;background:#202a33;border-radius:8px;overflow:hidden;margin:24px 0}.console-progress i{display:block;width:72%;height:100%;background:#78d58d;border-radius:8px}.console-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.console-grid div{background:#151e27;border:1px solid #27333d;padding:16px;border-radius:6px}.console-grid small,.console-grid strong{display:block}.console-grid small{font-size:9px;color:#667783}.console-grid strong{margin-top:4px}.visuals-section,.steps-section,.device-section,.update-warning{max-width:1200px;margin:auto;padding:74px 24px}.visuals-head,.steps-head,.device-copy{max-width:800px}.visuals-head h2,.status-head h2,.steps-head h2,.device-copy h2,.update-warning h2,.faq-head h2{font-size:clamp(30px,4vw,48px);line-height:1.16;letter-spacing:-.03em;margin:7px 0 14px}.visuals-head>p:last-child,.status-head>p:last-child,.steps-head>p:last-child,.device-copy p,.update-warning p,.faq-head>p:last-child{color:#95a5af}.visuals-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:13px;margin-top:28px}.visuals-grid figure{margin:0;background:#0f151d;border:1px solid #27333d;border-radius:10px;overflow:hidden}.visuals-grid img{width:100%;height:240px;object-fit:contain;background:#070a0f}.visuals-grid .banner{grid-column:1/-1}.visuals-grid .banner img{height:210px;object-fit:cover}.visuals-grid figcaption{padding:11px 13px;font-size:12px;color:#8697a2}.status-section{background:#111821;padding:70px max(24px,calc((100vw - 1200px)/2))}.status-head{max-width:800px}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:30px}.status-grid article{background:#18222c;border:1px solid #2e3b46;padding:20px;border-radius:8px}.status-grid article.good{border-top:4px solid #78d58d}.status-grid article.warn{border-top:4px solid #e18a69}.status-grid span{font-size:10px;color:#78d58d}.status-grid h3{font-size:18px;margin:9px 0}.status-grid p{font-size:13px;color:#9dabb5}.status-grid b{display:block;border-top:1px solid #31404b;padding-top:11px;font-size:12px;color:#c3d0d7}.steps-list{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:11px}.steps-list article{background:#0f151d;border:1px solid #28343e;padding:20px;border-radius:8px;display:grid;grid-template-columns:44px 1fr;gap:13px}.steps-list>article>span{width:36px;height:36px;border-radius:5px;background:#78d58d;color:#0b1b10;display:grid;place-items:center;font-size:10px;font-weight:900}.steps-list h3{margin:0 0 6px;font-size:19px}.steps-list p{margin:0;color:#91a0aa;font-size:13px}.device-section{padding-top:28px}.device-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:25px}.device-row span{background:#151e27;border:1px solid #2b3741;padding:17px;text-align:center;border-radius:5px;font-weight:900}.update-warning{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.version-box{background:#78d58d;color:#0c1d12;padding:34px;border-radius:8px;min-height:220px;display:flex;flex-direction:column;justify-content:center}.version-box small{font-size:10px;letter-spacing:.12em}.version-box strong{font-size:27px;margin:8px 0}.version-box span{font-size:13px;color:#294f33}.faq-section{background:#edf2ef;color:#16201a;padding:70px max(24px,calc((100vw - 1200px)/2));display:grid;grid-template-columns:.7fr 1.3fr;gap:50px}.faq-head>p:last-child{color:#66756b}.faq-list details{background:#fff;border:1px solid #d4dfd7;border-radius:8px;padding:17px 18px;margin-bottom:9px}.faq-list summary{font-weight:900;cursor:pointer}.faq-list p{color:#68776d;margin-bottom:0}.final-cta{max-width:1200px;margin:54px auto 76px;background:#78d58d;color:#0c1d12;border-radius:9px;padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:28px}.final-cta p{margin:0;color:#2f673c}.final-cta h2{font-size:30px;margin:4px 0}.final-cta span{color:#345c3c}.final-btn{background:#0d1510;color:#fff}.site-footer{max-width:1200px;margin:auto;padding:0 24px 34px;display:grid;grid-template-columns:auto 1fr auto auto;gap:20px;color:#74838d}.mobile-download-bar{display:none}
@media(max-width:900px){.desktop-nav,.header-cta{display:none}.menu-btn{display:block;background:#101720;color:#fff;border:1px solid #2d3944;border-radius:5px;padding:8px}.mobile-nav.open{display:flex}.mobile-nav{gap:14px;flex-wrap:wrap;padding:8px 24px 16px;color:#9dabb5}.hero{grid-template-columns:1fr}.visuals-grid{grid-template-columns:1fr 1fr}.visuals-grid .banner{grid-column:1/-1}.status-grid{grid-template-columns:1fr 1fr}.steps-list{grid-template-columns:1fr}.update-warning{grid-template-columns:1fr}.faq-section{grid-template-columns:1fr}}
@media(max-width:600px){body{padding-bottom:72px}.header-inner{height:64px;padding:0 16px}.brand small{display:none}.hero{padding:46px 16px 36px;gap:28px}.hero h1{font-size:41px}.hero-lead{font-size:16px}.hero-actions{flex-direction:column}.visuals-section,.steps-section,.device-section,.update-warning{padding-left:16px;padding-right:16px}.visuals-grid{grid-template-columns:1fr}.visuals-grid .banner{grid-column:auto}.status-section,.faq-section{padding-left:16px;padding-right:16px}.status-grid,.device-row{grid-template-columns:1fr}.steps-list article{grid-template-columns:42px 1fr}.final-cta{margin:34px 16px 24px;padding:24px;display:block}.final-btn{width:100%;margin-top:18px}.site-footer{padding:0 16px 28px;display:block}.site-footer>*{display:block;margin:7px 0}.mobile-download-bar{position:fixed;left:0;right:0;bottom:0;height:60px;background:#78d58d;color:#0c1d12;display:flex;align-items:center;justify-content:space-between;padding:8px 12px;z-index:90}.mobile-download-bar span strong,.mobile-download-bar span small{display:block}.mobile-download-bar span small{font-size:10px;color:#325a3a}.mobile-download-bar a{background:#0d1510;color:#fff;padding:8px 12px;border-radius:5px;font-weight:900}}

/* WPT official brand icon */
.brand-logo{
    display:block;
    width:38px;
    height:38px;
    min-width:38px;
    object-fit:contain;
    flex:0 0 auto;
}

@media(max-width:600px){
    .brand-logo{
        width:34px;
        height:34px;
        min-width:34px;
    }
}