:root{color-scheme:dark;--bg:#101115;--card:#15161A;--block:#1B1C21;--sub:#202127;--gold:#F8C84A;--text:#EDEFF5;--muted:#B8BEC9;--soft:#8E96A6;--footer:#08090C;--footerText:#D8DEEA;--line:rgba(248,200,74,.16);--shadow:0 14px 36px rgba(0,0,0,.35)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:inherit;max-width:100%}
img,svg,video{max-width:100%}
button,input,select,textarea{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;flex:0 0 auto}
.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;color:var(--gold);font-weight:900;letter-spacing:.08em;white-space:nowrap}
.nav-core{display:flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap;min-width:0}
.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}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--card);padding:10px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:var(--gold);margin:4px 0;border-radius:3px}
.channel-bar{background:#15161A;border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.04)}
.channel-scroll{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;gap:6px;overflow-x:auto;scrollbar-width:thin;white-space:nowrap}
.channel-scroll a{color:#B8BEC9;text-decoration:none;padding:5px 9px;border-radius:8px;font-size:14px}
.channel-scroll a:hover,.channel-scroll a.is-current{color:#F8C84A;background:rgba(248,200,74,.06)}
.site-main{min-height:60vh}
.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}
.reading{width:min(840px,100%);margin-left:auto;margin-right:auto}
.section{padding:58px 0}
.section.compact{padding:34px 0}
.section.soft{background:var(--card)}
.eyebrow{display:inline-block;color:var(--gold);font-weight:800;letter-spacing:.08em;margin-bottom:8px}
h1,h2,h3{line-height:1.28;margin:0 0 18px;color:var(--gold)}
h1{font-size:clamp(32px,5vw,48px);letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px}
p{margin:0 0 16px;color:var(--text)}
.lead{font-size:18px;color:#D8DEEA;max-width:860px}
.hero-simple{padding:58px 0 30px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:32px;align-items:center}
.hero-copy p{font-size:17px;color:#D8DEEA}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#15161A;aspect-ratio:16/9;border:1px solid rgba(255,255,255,.05)}
.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);border:1px solid rgba(248,200,74,.08)}
.hero-grid .media{min-height:220px;max-height:260px}
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.entry{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow);min-height:150px}
.entry h2,.entry h3{font-size:21px;margin-bottom:10px}
.entry p{color:var(--muted);font-size:15px}
.text-link{display:inline-flex;margin-top:8px;color:var(--gold);text-decoration:none;font-weight:800}
.text-link:hover{text-decoration:underline}
.notice-strip{background:var(--block);border:1px solid var(--line);border-radius:16px;padding:22px 24px;color:#D8DEEA}
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.topic-item{background:var(--card);border:1px solid rgba(248,200,74,.12);border-radius:16px;padding:20px;min-height:170px}
.topic-item h3{margin-bottom:8px}.topic-item p{color:var(--muted);font-size:15px}
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.feature{background:var(--card);border-radius:18px;padding:20px;border:1px solid rgba(255,255,255,.05)}
.feature .media{height:240px;aspect-ratio:auto;margin-bottom:18px}
.feature p{color:#D8DEEA}
.app-strip{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:26px;align-items:center;background:linear-gradient(120deg,#15161A,#1B1C21);border:1px solid var(--line);padding:24px;border-radius:18px}
.app-strip .media{height:230px;aspect-ratio:auto}
.safety-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.safety-item{background:#1B1C21;border-radius:16px;padding:20px;border:1px solid rgba(255,255,255,.05)}
.safety-item h3{font-size:19px}.safety-item p{color:var(--muted);font-size:15px}

.slider-wrap{padding:26px 0 14px}
.slider{position:relative;width:min(1200px,calc(100% - 40px));height:360px;margin:0 auto;border-radius:22px;overflow:hidden;background:#15161A;border:1px solid rgba(248,200,74,.12)}
.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s ease;display:flex;align-items:center;justify-content:center;background:#15161A}
.slide.is-active{opacity:1;pointer-events:auto}
.slide img{width:100%;height:100%;object-fit:contain;display:block}
.slide .slider-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#15161A,#202127)}
.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border-radius:50%;border:1px solid rgba(248,200,74,.28);background:rgba(16,17,21,.72);color:var(--gold);font-size:28px;line-height:1;cursor:pointer}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:6}
.slider-dot{width:9px;height:9px;border:0;border-radius:50%;background:#8E96A6;padding:0;cursor:pointer}
.slider-dot.is-active{background:var(--gold);transform:scale(1.2)}

.article-shell{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;align-items:start}
.toc{position:sticky;top:108px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.toc h2{font-size:18px}.toc a{display:block;color:var(--muted);text-decoration:none;padding:7px 0}.toc a:hover{color:var(--gold)}
.article{width:min(840px,100%)}
.article section{margin-bottom:34px}
.article ul,.article ol{padding-left:1.25em;color:#D8DEEA}
.article li{margin:.55em 0}
.question-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.question{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.question h2,.question h3{font-size:19px}.question p{color:var(--muted);font-size:15px}
.step-list{counter-reset:step;display:grid;gap:14px}
.step{position:relative;padding:20px 20px 20px 68px;background:var(--card);border-radius:16px;border:1px solid rgba(248,200,74,.12)}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:#101115;font-weight:900}
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare > section{background:var(--card);border-radius:16px;padding:22px;border:1px solid rgba(255,255,255,.06)}
.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.related-links a{display:block;background:var(--block);border:1px solid var(--line);border-radius:14px;padding:16px;color:var(--gold);text-decoration:none;font-weight:700}
.quote-note{border-left:3px solid var(--gold);padding:14px 18px;background:#1B1C21;border-radius:0 14px 14px 0;color:#D8DEEA}
.short-review{background:#1B1C21;border:1px solid var(--line);padding:18px;border-radius:16px;color:#D8DEEA}
.faq-list{display:grid;gap:16px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.faq-item h2{font-size:20px}
.link-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.link-list a{background:var(--card);border:1px solid rgba(248,200,74,.12);border-radius:14px;padding:16px;color:#D8DEEA;text-decoration:none}
.link-list a strong{color:var(--gold);display:block;margin-bottom:4px}

.side-float{position:fixed;right:14px;top:42%;z-index:9000;display:flex;flex-direction:column;width:96px;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.side-float a,.side-float button{min-height:44px;display:flex;align-items:center;justify-content:center;text-align:center;background:#15161A;color:var(--gold);border:0;border-bottom:1px solid rgba(255,255,255,.05);text-decoration:none;font-size:13px;cursor:pointer;padding:6px}
.side-float .side-primary{background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;font-weight:900}
.mobile-bottom{display:none}
.mobile-drawer,.drawer-mask{display:none}
.site-footer{background:#08090C;color:#D8DEEA;margin-top:40px}
.footer-grid{max-width:1200px;margin:0 auto;padding:52px 20px 30px;display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:28px}
.site-footer h2{font-size:18px;margin-bottom:12px}.site-footer a{display:block;color:#D8DEEA;text-decoration:none;margin:7px 0}.site-footer a:hover{color:var(--gold)}
.footer-brand p{color:#8E96A6;font-size:14px;max-width:320px}.footer-logo{margin-bottom:14px}
.footer-bottom{max-width:1200px;margin:0 auto;padding:18px 20px 28px;border-top:1px solid rgba(255,255,255,.07)}
.footer-bottom p{color:#8E96A6;font-size:13px;margin:4px 0}

@media(max-width:1100px){.side-float{display:none}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.header-inner{padding-right:16px}}
@media(max-width:980px){
  .channel-bar,.nav-core{display:none}.menu-toggle{display:block}.header-inner{min-height:68px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{height:38px;max-width:150px}.header-btn{height:40px;min-width:88px;padding:0 15px;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}
  .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(255,255,255,.07)}
  .drawer-logo img{height:36px;max-width:140px}.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#202127;color:var(--gold);font-size:26px;cursor:pointer}
  .drawer-groups{padding:10px 16px 30px}.drawer-groups section{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}.drawer-groups h2{font-size:15px;margin:0 0 6px;color:var(--gold)}.drawer-groups a{display:block;padding:8px 0;color:#D8DEEA;text-decoration:none}
  .hero-grid,.app-strip{grid-template-columns:1fr}.article-shell{grid-template-columns:1fr}.toc{position:static;display:flex;gap:12px;flex-wrap:wrap}.toc h2{width:100%;margin-bottom:4px}.toc a{padding:4px 8px;background:#1B1C21;border-radius:8px}.question-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:9500;background:#101115;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:54px;display:grid;place-items:center;color:#D8DEEA;text-decoration:none;font-size:14px}.site-footer{padding-bottom:60px}
}
@media(max-width:760px){.wrap{width:min(100% - 28px,1200px)}.section{padding:42px 0}.hero-simple{padding:42px 0 22px}.slider{width:calc(100% - 28px);height:210px;border-radius:18px}.slider-prev,.slider-next{width:36px;height:36px;font-size:24px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.entry{padding:16px;min-height:140px}.entry h2,.entry h3{font-size:18px}.two-col,.compare,.safety-row,.related-links,.link-list{grid-template-columns:1fr}.feature .media,.app-strip .media{height:auto;aspect-ratio:16/9}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.lead{font-size:17px}}
@media(max-width:430px){.header-inner{padding:0 12px;gap:10px}.menu-toggle{width:40px;height:40px}.site-logo img{max-width:122px;height:34px}.logo-fallback{font-size:15px}.header-btn{min-width:82px;padding:0 12px;font-size:13px}.slider{height:190px}.topic-grid{gap:10px}.topic-item{padding:15px;min-height:160px}.topic-item h3{font-size:18px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}
@media(max-width:390px){.slider{height:178px}.entry-grid{grid-template-columns:1fr 1fr}.main-btn{min-width:80px}}
@media(max-width:375px){.site-logo img{max-width:112px}.header-btn{min-width:76px;padding:0 10px}.slider{height:168px}.wrap{width:calc(100% - 24px)}}