*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#101115;color:#EDEFF5;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}a{color:inherit}img{max-width:100%}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:1180px;min-height:70px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;text-decoration:none}.site-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}.drawer-logo img,.footer-logo img{display:block;height:44px;width:auto;max-width:170px;object-fit:contain}.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;min-width:120px;height:40px;border:1px solid rgba(248,200,74,.24);border-radius:10px;color:#F8C84A;font-weight:800;letter-spacing:.08em;background:#15161A}.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;white-space:nowrap}.nav-core a{color:#F8C84A;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}.nav-core a.is-current,.nav-core a:hover{color:#FFE45A;border-bottom:2px solid #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)}.header-action{flex:0 0 auto}.menu-toggle{display:none;width:42px;height:42px;border:1px solid rgba(248,200,74,.16);border-radius:10px;background:#15161A;padding:9px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:#F8C84A;margin:5px 0}.channel-bar{background:#15161A;border-top:1px solid rgba(248,200,74,.08);border-bottom:1px solid rgba(248,200,74,.08)}.channel-scroll{max-width:1180px;margin:0 auto;padding:0 18px;display:flex;align-items:center;gap:5px;overflow-x:auto;scrollbar-width:thin;white-space:nowrap}.channel-scroll a{display:inline-flex;align-items:center;min-height:42px;padding:0 9px;color:#B8BEC9;text-decoration:none;font-size:14px}.channel-scroll a:hover{color:#F8C84A}.channel-sep{width:1px;height:18px;background:rgba(248,200,74,.2);flex:0 0 auto}.mobile-drawer,.drawer-mask{display:none}.site-main{min-height:60vh}.page-wrap{max-width:1180px;margin:0 auto;padding:0 78px 0 18px}.section{padding:54px 0}.section.compact{padding:34px 0}.eyebrow{color:#F8C84A;font-weight:800;letter-spacing:.08em;font-size:14px}.page-hero{padding:48px 0 28px}.page-hero h1,.section-title{margin:0 0 14px;color:#F8C84A;line-height:1.2}.page-hero h1{font-size:clamp(34px,4vw,46px)}.section-title{font-size:clamp(25px,3vw,34px)}.lead{max-width:840px;color:#D8DEEA;font-size:18px;margin:0}.muted{color:#8E96A6}.reading{max-width:820px}.reading p{font-size:17px;margin:0 0 18px;color:#D8DEEA}.reading h2{color:#F8C84A;font-size:27px;line-height:1.3;margin:34px 0 12px}.reading h3{color:#EDEFF5;font-size:20px;margin:24px 0 8px}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#15161A;aspect-ratio:16/9;border:1px solid rgba(248,200,74,.12)}.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;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#15161A,#1B1C21);color:#5f6672;font-size:14px}.media.card-media{height:166px;aspect-ratio:auto}.media.feature-media{height:230px;aspect-ratio:auto}.hero-slider{position:relative;max-width:1180px;margin:28px auto 0;border-radius:16px;overflow:hidden;background:#15161A;height:340px;border:1px solid rgba(248,200,74,.12)}.hero-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s ease;display:flex;align-items:center;justify-content:center;background:#15161A}.hero-slide.is-active{opacity:1;pointer-events:auto}.hero-slide img{width:100%;height:100%;display:block;object-fit:contain}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border-radius:50%;border:1px solid rgba(248,200,74,.25);background:rgba(16,17,21,.82);color:#F8C84A;font-size:24px;cursor:pointer}.slider-arrow.prev{left:14px}.slider-arrow.next{right:14px}.slider-dots{position:absolute;z-index:3;left:50%;bottom:13px;transform:translateX(-50%);display:flex;gap:8px}.slider-dots button{width:9px;height:9px;border:0;border-radius:50%;padding:0;background:#6f7580;cursor:pointer}.slider-dots button.is-active{background:#F8C84A}.magazine{display:grid;grid-template-columns:58fr 42fr;gap:18px}.feature-panel,.text-card,.info-panel,.step,.notice-box,.toc,.link-panel,.comparison,.question,.topic-intro{background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:16px;box-shadow:0 14px 36px rgba(0,0,0,.22)}.feature-panel{padding:22px}.feature-panel h2,.text-card h3,.info-panel h2,.step h3,.notice-box h2,.toc h2,.link-panel h2,.comparison h2,.topic-intro h2{color:#F8C84A;margin-top:0}.feature-panel p,.text-card p,.info-panel p,.step p,.notice-box p,.toc p,.link-panel p,.comparison p,.topic-intro p{color:#B8BEC9}.stack-cards{display:grid;gap:14px}.text-card{padding:18px}.text-card a,.feature-panel a,.info-panel a,.step a,.notice-box a,.link-panel a,.comparison a,.topic-intro a{color:#F8C84A;text-decoration:none}.text-card a:hover,.feature-panel a:hover,.info-panel a:hover,.step a:hover,.notice-box a:hover,.link-panel a:hover,.comparison a:hover,.topic-intro a:hover{text-decoration:underline}.topic-strip{display:flex;gap:10px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:thin}.topic-strip a{flex:0 0 auto;text-decoration:none;color:#F8C84A;border:1px solid rgba(248,200,74,.22);background:#15161A;border-radius:999px;padding:9px 14px;font-weight:700}.topic-strip a:hover{background:#1B1C21}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.info-panel{padding:22px}.boundary{max-width:820px;margin:0 auto;padding:24px 0;color:#D8DEEA;font-size:17px}.service-links{display:flex;flex-wrap:wrap;gap:12px}.service-links a,.related-links a{color:#D8DEEA;text-decoration:none;border-bottom:1px solid rgba(248,200,74,.25)}.service-links a:hover,.related-links a:hover{color:#F8C84A}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.split.reverse .split-copy{order:2}.split.reverse .split-media{order:1}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{padding:20px}.step b{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:#202127;color:#F8C84A;margin-bottom:10px}.toc{padding:22px}.toc ol{margin:0;padding-left:20px}.toc a{color:#D8DEEA}.toc a:hover{color:#F8C84A}.link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.link-panel{padding:18px}.comparison{padding:22px}.comparison-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.comparison-grid>div{background:#1B1C21;border-radius:12px;padding:16px}.comparison-grid h3{margin:0 0 8px;color:#F8C84A}.question-list{display:grid;gap:14px}.question{padding:20px}.question h2{font-size:20px;color:#F8C84A;margin:0 0 8px}.question p{color:#D8DEEA;margin:0}.topic-intro{padding:22px}.topic-intro ul{margin:0;padding-left:20px;color:#D8DEEA}.floating-tools{position:fixed;right:12px;top:34%;z-index:4000;width:56px;display:flex;flex-direction:column;gap:7px}.floating-tools a,.floating-tools button{display:flex;align-items:center;justify-content:center;min-height:54px;padding:7px 5px;border-radius:10px;background:#15161A;color:#F8C84A;border:1px solid rgba(248,200,74,.18);text-decoration:none;font:inherit;font-size:12px;text-align:center;cursor:pointer;box-shadow:0 10px 26px rgba(0,0,0,.24)}.floating-tools .floating-register{background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;font-weight:800}.site-footer{margin-top:58px;background:#08090C;color:#D8DEEA}.footer-grid{max-width:1180px;margin:0 auto;padding:46px 78px 34px 18px;display:grid;grid-template-columns:1.2fr 1fr 1.5fr 1.2fr;gap:26px}.footer-grid h2{font-size:16px;color:#F8C84A;margin:0 0 12px}.footer-grid a{display:block;text-decoration:none;color:#B8BEC9;margin:5px 0}.footer-grid a:hover{color:#F8C84A}.footer-brand p{color:#8E96A6;font-size:14px}.footer-bottom{max-width:1180px;margin:0 auto;padding:20px 78px 28px 18px;border-top:1px solid rgba(248,200,74,.12);color:#8E96A6;font-size:13px}.footer-bottom span{display:block;margin-top:6px;color:#B8BEC9}.mobile-bottom{display:none}
@media(max-width:1100px){.nav-core a{padding:8px 8px}.page-wrap{padding-right:68px}.footer-grid,.footer-bottom{padding-right:68px}}
@media(max-width:980px){.header-inner{min-height:64px;padding:0 12px}.menu-toggle{display:block;flex:0 0 42px}.nav-core,.channel-bar{display:none}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{height:36px;max-width:140px}.header-action{height:40px;min-width:82px;padding:0 14px;margin-left:auto}.page-wrap{padding:0 16px}.floating-tools{display:none}.hero-slider{margin:20px 16px 0;height:260px}.magazine{grid-template-columns:1fr}.three-col{grid-template-columns:repeat(3,1fr)}.split{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.link-grid{grid-template-columns:1fr 1fr}.footer-grid{padding:38px 16px 92px;grid-template-columns:1fr 1fr}.footer-bottom{padding:18px 16px 88px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);background:#101115;border-top:1px solid rgba(248,200,74,.15);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:56px;display:flex;align-items:center;justify-content:center;color:#D8DEEA;text-decoration:none;font-weight:700}.mobile-bottom a:hover{color:#F8C84A}.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)}.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{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid rgba(248,200,74,.12)}.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(248,200,74,.18);background:#202127;color:#F8C84A;font-size:24px;cursor:pointer}.drawer-scroll{height:calc(100vh - 66px);overflow:auto;padding:14px 14px 30px}.drawer-group{padding:12px 0;border-bottom:1px solid rgba(248,200,74,.08)}.drawer-group strong{display:block;color:#F8C84A;font-size:13px;margin-bottom:7px}.drawer-group a{display:block;padding:7px 0;color:#D8DEEA;text-decoration:none}.site-main{padding-bottom:58px}.footer-grid,.footer-bottom{padding-right:16px}}
@media(max-width:720px){.section{padding:38px 0}.section.compact{padding:26px 0}.page-hero{padding:34px 0 20px}.page-hero h1{font-size:clamp(26px,8vw,32px)}.lead{font-size:16px}.reading p{font-size:16px;line-height:1.82}.reading h2{font-size:24px}.hero-slider{height:184px;border-radius:14px}.slider-arrow{width:36px;height:36px}.three-col,.steps,.comparison-grid{grid-template-columns:1fr}.link-grid{grid-template-columns:1fr}.feature-panel,.text-card,.info-panel,.step,.notice-box,.toc,.link-panel,.comparison,.question,.topic-intro{border-radius:14px}.media.feature-media{height:210px}.media.card-media{height:156px}.split.reverse .split-copy,.split.reverse .split-media{order:initial}.footer-grid{grid-template-columns:1fr}.footer-grid>div:not(.footer-brand){padding-top:6px}}
@media(max-width:430px){.header-inner{gap:8px}.main-btn.header-action{min-width:76px;padding:0 12px;font-size:14px}.site-logo img{max-width:122px}.logo-placeholder{min-width:108px;font-size:14px}.hero-slider{height:170px}.slider-arrow{display:none}.section{padding:32px 0}.feature-panel{padding:18px}.site-footer{margin-top:40px}}