:root{--bg:#151A23;--s1:#1B2130;--s2:#202738;--s3:#252D40;--gold:#F1DCA3;--gold2:#E3C98F;--text:#E8ECF5;--muted:#B8C0D3;--dim:#8F98AD;--line:rgba(241,220,163,.14);--foot:#0E121A;--shadow:0 14px 36px rgba(0,0,0,.28)}*{box-sizing:border-box}html{scroll-behavior:smooth}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}img,svg,video{max-width:100%}a{color:inherit}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#151A23;box-shadow:0 8px 24px rgba(0,0,0,.22);backdrop-filter:blur(10px)}.header-inner{max-width:1280px;min-height:74px;margin:0 auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-logo{display:block;flex:0 0 auto;width:160px}.logo-media{position:relative;width:100%;height:46px;overflow:hidden;background:transparent}.logo-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:left 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var(--line);border-radius:10px;background:var(--s1);padding:9px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:var(--gold);margin:5px 0}.channel-bar{background:#1B2130;border-bottom:1px solid var(--line)}.channel-inner{max-width:1280px;margin:0 auto;padding:0 22px;display:flex;overflow-x:auto;scrollbar-width:thin;white-space:nowrap}.channel-inner a{color:#B8C0D3;text-decoration:none;padding:12px 11px;font-size:14px}.channel-inner a:hover{color:#F1DCA3}.site-main{display:block}.wrap{max-width:1280px;margin:0 auto;padding:0 22px}.section{padding:78px 0}.section.compact{padding:50px 0}.hero{padding:36px 0 76px}.hero-copy{max-width:900px}.eyebrow{color:var(--gold);font-weight:700;letter-spacing:.08em}.hero h1,.page-hero h1{font-size:clamp(32px,5vw,54px);line-height:1.15;margin:.18em 0 .35em;color:var(--gold)}.lead{font-size:18px;color:var(--muted);max-width:880px}.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn-primary{min-height:44px;padding:9px 20px;border-radius:999px;background:var(--gold);color:var(--bg);font-weight:700;text-decoration:none;display:inline-flex;align-items:center}.text-link{color:var(--gold);font-weight:700;text-underline-offset:4px}.banner{min-height:240px;max-height:340px;aspect-ratio:16/6}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#151A23;border:1px solid var(--line)}.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,#202738,#151A23);border:1px solid var(--line)}.card-media{height:180px}.feature-media{height:250px}.app-media{height:260px}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.panel,.topic-card,.quote,.faq-item{background:var(--s1);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.panel{padding:28px}.topic-card{overflow:hidden}.topic-card .body{padding:20px}.panel h2,.section h2,.topic-card h3,.faq-item h3{color:var(--gold);margin-top:0;line-height:1.3}.section h2{font-size:clamp(26px,3vw,36px);margin-bottom:14px}.section-intro{color:var(--muted);max-width:840px;margin-bottom:28px}.topic-card p,.panel p,.panel li,.faq-item p{color:var(--muted)}.chip-row{display:flex;flex-wrap:wrap;gap:10px}.chip{display:inline-flex;padding:7px 12px;border:1px solid var(--line);border-radius:999px;color:var(--gold);text-decoration:none;background:var(--s2)}.page-hero{padding:72px 0 38px}.article{max-width:860px;margin:0 auto;padding:18px 22px 76px}.article .media{margin:24px 0 30px}.article h2{font-size:28px;color:var(--gold);margin:42px 0 12px}.article h3{color:var(--gold2);margin:28px 0 8px}.article p,.article li{font-size:17px;color:var(--text)}.article .note{background:var(--s2);border-left:4px solid var(--gold);padding:16px 18px;border-radius:10px;color:var(--muted)}.feedback{display:grid;gap:14px;margin-top:22px}.quote{padding:18px 20px;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{padding:20px 22px}.link-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.link-list a{background:var(--s2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-decoration:none;color:var(--gold)}.floating-tools{position:fixed;right:18px;top:42%;z-index:1000;width:108px;background:var(--s1);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}.floating-tools a,.floating-tools button{display:block;width:100%;padding:11px 8px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--gold);font:inherit;font-size:13px;text-align:center;text-decoration:none;cursor:pointer}.floating-tools .gold{background:var(--gold);color:var(--bg);font-weight:700}.site-footer{background:var(--foot);color:#D5DBEA;padding:58px 0 24px}.footer-grid{max-width:1280px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer-grid h2{font-size:16px;color:var(--gold)}.footer-grid a{display:block;color:#D5DBEA;text-decoration:none;margin:7px 0}.footer-brand p{color:var(--muted);max-width:360px}.footer-logo{display:block;width:160px}.footer-bottom{max-width:1280px;margin:30px auto 0;padding:24px 22px 0;border-top:1px solid var(--line);color:var(--dim);font-size:14px}.mobile-bottom{display:none}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:min(84vw,320px);z-index:12000;background:#1B2130;transform:translateX(-102%);transition:transform .25s ease;overflow-y:auto;padding:16px 18px 28px;box-shadow:var(--shadow)}.mobile-drawer.open{transform:translateX(0)}.drawer-overlay{position:fixed;inset:0;z-index:11000;background:rgba(0,0,0,.62)}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}.drawer-logo{width:150px}.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--s2);color:var(--gold);font-size:25px}.drawer-group{padding:14px 0;border-bottom:1px solid var(--line)}.drawer-group strong{display:block;color:var(--gold);margin-bottom:7px}.drawer-group a{display:block;color:var(--text);text-decoration:none;padding:7px 0}.drawer-open{overflow:hidden}.muted{color:var(--muted)}.tagline{color:var(--dim)}
@media(max-width:1080px){.nav-core{gap:10px}.nav-core a{font-size:14px}.header-inner{gap:12px}.header-login{display:none}.grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}.floating-tools{display:none}}
@media(max-width:820px){.site-header{position:sticky}.header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:44px minmax(110px,1fr) auto;gap:8px}.menu-toggle{display:block}.nav-core{display:none}.site-logo{width:146px;justify-self:center}.header-actions{justify-self:end}.header-reg-btn{min-width:82px;height:40px;padding:0 13px;font-size:13px}.header-login{display:none}.channel-bar{display:none}.section{padding:54px 0}.hero{padding:24px 0 52px}.wrap{padding:0 16px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.grid-2{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:9000;background:#151A23;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;color:var(--gold);text-decoration:none;padding:12px 4px;font-size:13px}.site-footer{padding-bottom:86px}.article{padding-left:16px;padding-right:16px}.link-list{grid-template-columns:1fr}}
@media(max-width:460px){.header-inner{grid-template-columns:42px minmax(92px,1fr) auto;padding:0 10px}.site-logo{width:122px}.header-reg-btn{min-width:72px;padding:0 10px;font-size:12px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic-card .body{padding:14px}.card-media{height:145px}.feature-media,.app-media{height:210px}.banner{min-height:190px;max-height:240px}.footer-grid{grid-template-columns:1fr}.page-hero{padding-top:48px}.article p,.article li{font-size:16px}}