*{box-sizing:border-box}html{scroll-behavior:smooth;background:#101115}body{margin:0;background:#101115;color:#EDEFF5;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:inherit}img{max-width:100%}button{font:inherit}.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}.site-logo img,.drawer-logo img,.footer-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}.logo-fallback{display:inline-flex;align-items:center;min-height:40px;padding:0 12px;border:1px solid rgba(248,200,74,.16);border-radius:10px;color:#F8C84A;font-weight:800;background:#15161A}.nav-core{display:flex;align-items:center;gap:7px;white-space:nowrap}.nav-core a{color:#F8C84A;padding:8px 12px;border-radius:999px;font-weight:700;text-decoration:none;background:rgba(248,200,74,.06)}.nav-core a.is-current,.nav-core a:hover{color:#F8C84A;background:linear-gradient(180deg,rgba(248,200,74,.14),rgba(248,200,74,.02));box-shadow:inset 0 -2px 0 #F8C84A}.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 10px 24px rgba(243,148,31,.28);white-space:nowrap}.mobile-menu-btn{display:none;background:#15161A;color:#F8C84A;border:1px solid rgba(248,200,74,.16);border-radius:10px;width:42px;height:42px;cursor:pointer}.channel-bar{background:#15161A;border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(248,200,74,.10)}.channel-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;white-space:nowrap}.channel-inner::-webkit-scrollbar{display:none}.channel-inner a{color:#B8BEC9;text-decoration:none;padding:11px 10px;font-size:14px}.channel-inner a:hover{color:#F8C84A}.mobile-drawer,.drawer-mask{display:none}.site-main{min-height:65vh}.container{width:min(1200px,calc(100% - 40px));margin:0 auto}.reading{width:min(840px,calc(100% - 40px));margin:0 auto}.section{padding:58px 0}.section.compact{padding:36px 0}.hero-copy{padding:54px 0 24px}.eyebrow{color:#F8C84A;font-weight:700;letter-spacing:.08em;font-size:14px}h1,h2,h3{color:#F8C84A;line-height:1.28;margin-top:0}h1{font-size:clamp(36px,5vw,48px);margin-bottom:18px}h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}h3{font-size:20px;margin-bottom:10px}p{margin:0 0 1em}.muted{color:#B8BEC9}.small-note{color:#8E96A6;font-size:14px}.panel,.card,.notice-strip,.article-box,.step,.compare-col,.topic-card{background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:18px;box-shadow:0 14px 36px rgba(0,0,0,.35)}.panel,.article-box{padding:28px}.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:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.card,.topic-card{padding:22px}.card a,.topic-card a,.text-link{color:#F8C84A;text-decoration:none;font-weight:700}.card a:hover,.topic-card a:hover,.text-link:hover{text-decoration:underline}.notice-strip{padding:20px 24px;background:#1B1C21}.topic-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.topic-card p{color:#B8BEC9;font-size:14px}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#15161A;aspect-ratio:16/9;border:1px solid rgba(248,200,74,.10)}.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.card-media{height:auto;min-height:156px;max-height:184px}.media.feature-media{height:auto;min-height:220px;max-height:260px}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}.split.reverse{grid-template-columns:.95fr 1.05fr}.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0}.tag-row a{padding:7px 11px;border-radius:999px;background:#202127;color:#D8DEEA;text-decoration:none;border:1px solid rgba(248,200,74,.10)}.steps{display:grid;gap:16px;counter-reset:step}.step{position:relative;padding:22px 22px 22px 74px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:22px;top:22px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#F8C84A;color:#101115;font-weight:800}.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-col{padding:24px}.link-cluster{display:flex;flex-wrap:wrap;gap:10px}.link-cluster a{color:#F8C84A;text-decoration:none;padding:8px 11px;background:#202127;border-radius:10px}.prose h2{margin-top:36px}.prose ul,.prose ol{padding-left:1.25em}.prose li{margin:.45em 0}.callout{padding:18px 20px;border-left:4px solid #F8C84A;background:#1B1C21;border-radius:0 14px 14px 0;color:#D8DEEA}.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:28px}.related a{padding:16px;background:#202127;border-radius:14px;color:#F8C84A;text-decoration:none;text-align:center}.faq-list{display:grid;gap:16px}.faq-item{padding:22px;background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:16px}.faq-item h2{font-size:20px}.table-like{display:grid;gap:1px;background:rgba(248,200,74,.10);border:1px solid rgba(248,200,74,.10);border-radius:16px;overflow:hidden}.table-row{display:grid;grid-template-columns:160px 1fr;gap:1px}.table-row>div{background:#15161A;padding:16px}.home-carousel{width:min(1200px,calc(100% - 40px));height:360px;margin:28px auto 0;position:relative;border-radius:22px;overflow:hidden;background:#15161A;border:1px solid rgba(248,200,74,.12)}.carousel-track,.carousel-slide{position:absolute;inset:0}.carousel-slide{opacity:0;pointer-events:none;transition:opacity .35s ease;display:grid;place-items:center}.carousel-slide.is-active{opacity:1;pointer-events:auto}.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-prev,.carousel-next{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:42px;height:42px;border-radius:50%;border:1px solid rgba(248,200,74,.25);background:rgba(16,17,21,.82);color:#F8C84A;cursor:pointer;font-size:25px}.carousel-prev{left:16px}.carousel-next{right:16px}.carousel-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:4;display:flex;gap:8px}.carousel-dot{width:10px;height:10px;border:0;border-radius:50%;background:#8E96A6;padding:0;cursor:pointer}.carousel-dot.is-active{background:#F8C84A}.app-strip{display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:center;padding:26px;background:#1B1C21;border:1px solid rgba(248,200,74,.16);border-radius:18px}.floating-tools{position:fixed;right:14px;top:38%;z-index:9000;display:grid;gap:8px;width:112px}.floating-tools a,.floating-tools button{display:flex;min-height:40px;align-items:center;justify-content:center;padding:8px 10px;background:#15161A;color:#F8C84A;border:1px solid rgba(248,200,74,.16);border-radius:10px;text-decoration:none;box-shadow:0 10px 24px rgba(0,0,0,.28);cursor:pointer}.floating-tools .float-register{background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;font-weight:800}.site-footer{background:#08090C;color:#D8DEEA;padding:52px 0 28px;margin-top:36px}.footer-grid{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer-grid h2{font-size:18px}.footer-grid a{display:block;color:#D8DEEA;text-decoration:none;margin:7px 0}.footer-grid a:hover{color:#F8C84A}.footer-brand p{color:#8E96A6}.footer-bottom{width:min(1200px,calc(100% - 40px));margin:28px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#8E96A6}.mobile-bottom{display:none}@media(max-width:1120px){.floating-tools{display:none}}@media(max-width:980px){.nav-core,.channel-bar{display:none}.mobile-menu-btn{display:inline-grid;place-items:center;flex:0 0 42px}.header-inner{min-height:64px;display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:10px}.site-logo{justify-content:center;min-width:0}.site-logo img{height:34px;max-width:132px}.header-action{height:40px;min-width:84px;padding:0 14px;font-size:14px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#15161A;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.36);overflow-y:auto;padding-bottom:30px}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.52);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-head{min-height:68px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(248,200,74,.10)}.drawer-close{width:40px;height:40px;border:1px solid rgba(248,200,74,.16);background:#202127;color:#F8C84A;border-radius:10px;font-size:24px}.drawer-groups{padding:12px 14px}.drawer-groups section{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}.drawer-groups h2{font-size:14px;margin:0 0 8px;color:#8E96A6}.drawer-groups a{display:block;padding:8px 4px;color:#EDEFF5;text-decoration:none}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-wall{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.split.reverse,.app-strip{grid-template-columns:1fr}.home-carousel{height:280px}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){body{padding-bottom:64px}.container,.reading,.home-carousel,.footer-grid,.footer-bottom{width:min(100% - 28px,1200px)}.section{padding:40px 0}.section.compact{padding:28px 0}.hero-copy{padding:36px 0 18px}h1{font-size:clamp(28px,9vw,34px)}.grid-4,.grid-3,.grid-2,.compare,.related{grid-template-columns:1fr}.home-four{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-wall{grid-template-columns:repeat(2,minmax(0,1fr))}.home-carousel{height:190px;margin-top:18px;border-radius:20px}.carousel-prev,.carousel-next{width:38px;height:38px}.panel{padding:22px}.table-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;height:58px;display:grid;grid-template-columns:repeat(4,1fr);background:#101115;border-top:1px solid rgba(248,200,74,.16)}.mobile-bottom a{display:grid;place-items:center;color:#D8DEEA;text-decoration:none;font-size:14px}}@media(max-width:430px){.header-inner{padding:0 12px;gap:8px}.site-logo img{max-width:116px;height:30px}.logo-fallback{font-size:14px;padding:0 8px}.header-action{min-width:78px;padding:0 12px}}