*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#101115}
body{margin:0;min-width:0;overflow-x:hidden;background:#101115;color:#EDEFF5;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:17px;line-height:1.82}
a{color:inherit}img,svg,video,canvas{max-width:100%}button,input,textarea,select{font:inherit}
body.drawer-open{overflow:hidden}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#101115;box-shadow:0 8px 24px rgba(0,0,0,.28);backdrop-filter:blur(10px)}
.header-inner{max-width:1200px;min-height:72px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto}.site-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}.drawer-logo img{display:block;height:36px;width:auto;max-width:150px;object-fit:contain}.footer-logo img{display:block;height:42px;width:auto;max-width:170px;object-fit:contain}.logo-fallback{display:inline-flex;align-items:center;min-height:40px;color:#F8C84A;font-size:22px;font-weight:800;letter-spacing:.06em}
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.mobile-drawer,
.drawer-mask{display:none}
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.page-hero{padding:64px 0 38px}.page-hero .hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:34px;align-items:center}.page-hero .hero-copy p{max-width:760px;color:#B8BEC9}.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;color:#8E96A6;font-size:14px}.breadcrumb a{color:#B8BEC9;text-decoration:none}.breadcrumb a:hover{color:#F8C84A}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#15161A;aspect-ratio:16/9;box-shadow:0 14px 36px rgba(0,0,0,.35)}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#15161A,#202127)}.media.media-tall{min-height:220px}.media.media-card{height:172px;aspect-ratio:auto}
.home-carousel-wrap{padding:28px 0 0}.carousel{position:relative;width:min(1200px,calc(100% - 40px));height:360px;margin:0 auto;overflow:hidden;border-radius:22px;background:#15161A;box-shadow:0 14px 36px rgba(0,0,0,.35)}.carousel-track,.carousel-slide{position:absolute;inset:0}.carousel-slide{display:none}.carousel-slide.is-active{display:block}.carousel-slide img{width:100%;height:100%;object-fit:contain;display:block}.carousel-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#15161A,#202127)}.carousel-arrow{position:absolute;top:50%;z-index:4;transform:translateY(-50%);width:44px;height:44px;border:1px solid rgba(248,200,74,.22);border-radius:50%;background:rgba(16,17,21,.78);color:#F8C84A;font-size:30px;line-height:1;cursor:pointer}.carousel-prev{left:16px}.carousel-next{right:16px}.carousel-dots{position:absolute;left:0;right:0;bottom:14px;z-index:4;display:flex;justify-content:center;gap:8px}.carousel-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:#8E96A6;opacity:.7;cursor:pointer}.carousel-dot.is-active{background:#F8C84A;opacity:1;transform:scale(1.18)}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.entry-card,.topic-card,.info-card,.step,.faq-item,.mini-card{background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:17px;box-shadow:0 14px 36px rgba(0,0,0,.18)}.entry-card,.topic-card,.info-card,.mini-card{padding:22px}.entry-card p,.topic-card p,.info-card p,.mini-card p{color:#B8BEC9;font-size:15px}.entry-card h2,.topic-card h3,.info-card h2,.mini-card h3{margin:0 0 8px;color:#F8C84A}.entry-card a,.topic-card a,.mini-card a{color:#F8C84A;text-decoration:none;font-weight:700}.entry-card a:hover,.topic-card a:hover,.mini-card a:hover{text-decoration:underline}
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.steps{display:grid;gap:14px;counter-reset:step}.step{position:relative;padding:20px 22px 20px 68px;counter-increment:step}.step:before{content:counter(step);position:absolute;left:22px;top:21px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#F8C84A;color:#101115;font-weight:800}.step h2,.step h3{margin:0 0 6px;color:#F8C84A}.step p{margin:0;color:#B8BEC9}
.compare-table{width:100%;border-collapse:collapse;border-radius:16px;overflow:hidden;background:#15161A}.compare-table th,.compare-table td{padding:15px 16px;border-bottom:1px solid rgba(255,255,255,.06);text-align:left;vertical-align:top}.compare-table th{color:#F8C84A;background:#1B1C21}.compare-table td{color:#D8DEEA}.compare-table tr:last-child td{border-bottom:0}
.qa-open{display:grid;gap:16px}.faq-item{padding:22px}.faq-item h2{font-size:20px;margin:0 0 10px;color:#F8C84A}.faq-item p{margin:0;color:#D8DEEA}
.tag-row{display:flex;gap:10px;flex-wrap:wrap}.tag-row a{padding:7px 11px;border-radius:999px;background:#1B1C21;color:#B8BEC9;text-decoration:none}.tag-row a:hover{color:#F8C84A}
.site-footer{background:#08090C;color:#D8DEEA;padding:54px 0 92px;border-top:1px solid rgba(248,200,74,.08)}.footer-inner{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.25fr 1fr 1.35fr 1fr;gap:28px}.footer-brand p{max-width:300px;color:#8E96A6;font-size:14px}.footer-col h2{margin:0 0 12px;color:#F8C84A;font-size:16px}.footer-col a{display:block;padding:3px 0;color:#B8BEC9;text-decoration:none;font-size:14px}.footer-col a:hover{color:#F8C84A}.footer-topic-links{columns:2;column-gap:18px}.footer-bottom{width:min(1200px,calc(100% - 40px));margin:34px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.07);color:#8E96A6;font-size:13px}
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.mobile-bottom{display:none}
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@media(max-width:980px){
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  .drawer-head{height:66px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(248,200,74,.1)}.drawer-close{width:40px;height:40px;border:1px solid rgba(248,200,74,.18);border-radius:12px;background:#202127;color:#F8C84A;font-size:28px;line-height:1}.drawer-scroll{height:calc(100vh - 66px);overflow-y:auto;padding:16px 16px 88px}.drawer-group{margin-bottom:20px}.drawer-group h2{margin:0 0 8px;color:#F8C84A;font-size:15px}.drawer-group a{display:block;padding:9px 10px;margin:2px 0;border-radius:10px;color:#D8DEEA;text-decoration:none}.drawer-group a:hover{background:#202127;color:#F8C84A}
  .page-hero .hero-grid,.app-strip,.side-layout{grid-template-columns:1fr}.side-index{position:static}.page-hero{padding-top:46px}.page-hero .hero-copy{order:1}.page-hero .hero-grid>.media{order:2}.carousel{height:280px}.split-feature{grid-template-columns:1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;display:grid;grid-template-columns:repeat(4,1fr);background:#101115;border-top:1px solid rgba(248,200,74,.12);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{padding:11px 6px;color:#D8DEEA;text-decoration:none;text-align:center;font-size:13px}.mobile-bottom a:hover{color:#F8C84A}.site-footer{padding-bottom:118px}
}
@media(max-width:700px){body{font-size:16px}.container,.reading,.carousel,.footer-inner,.footer-bottom{width:min(100% - 28px,1200px)}.section{padding:42px 0}.section.compact{padding:32px 0}.grid-3,.grid-2{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.entry-card,.topic-card,.info-card,.mini-card{padding:17px}.topic-wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic-card{min-height:160px}.carousel{height:190px;border-radius:18px}.carousel-arrow{width:38px;height:38px}.carousel-prev{left:9px}.carousel-next{right:9px}.app-strip{padding:20px}.footer-inner{grid-template-columns:1fr}.footer-topic-links{columns:2}.compare-table{font-size:14px}.compare-table th,.compare-table td{padding:11px 10px}}
@media(max-width:390px){.header-inner{grid-template-columns:48px minmax(0,1fr) 84px;padding:0 10px}.menu-btn{width:40px;height:40px;padding:8px}.site-logo img{height:31px;max-width:118px}.logo-fallback{font-size:17px}.header-action{min-width:78px;padding:0 10px;font-size:13px}.carousel{height:176px}.grid-4,.topic-wall{gap:10px}.entry-card,.topic-card{padding:14px}.entry-card h2,.topic-card h3{font-size:17px}.topic-card p,.entry-card p{font-size:14px}}