*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#111722;color:#E8EDF6;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}img{max-width:100%}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(1280px,calc(100% - 44px));margin:0 auto}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#111722;box-shadow:0 10px 30px rgba(0,0,0,.24)}.header-inner{max-width:1280px;min-height:72px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:24px}.brand-logo{display:inline-flex;align-items:center;min-width:0}.brand-logo img{height:46px;width:auto;max-width:165px;object-fit:contain}.logo-fallback{font-weight:800;color:#F0D89A;font-size:22px;white-space:nowrap}.main-nav{display:flex;align-items:center;justify-content:center;gap:clamp(12px,1.6vw,24px);min-width:0}.main-nav a,.category-inner a{white-space:nowrap;color:#BAC3D2}.main-nav a{font-size:15px}.main-nav a:hover,.main-nav a[aria-current="page"],.category-inner a:hover{color:#F0D89A}.auth-actions{display:flex;gap:10px;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 18px;border-radius:999px;border:1px solid rgba(240,216,154,.22);font-weight:700}.btn-gold{background:#F0D89A;color:#111722}.btn-gold:hover{background:#E4C77D}.btn-ghost{background:#1E2736}.category-bar{background:#18202D;border-top:1px solid rgba(240,216,154,.08);border-bottom:1px solid rgba(240,216,154,.09)}.category-inner{max-width:1280px;margin:0 auto;padding:9px 22px;display:flex;gap:20px;overflow-x:auto;scrollbar-width:thin}.category-inner a{font-size:13px}.mobile-header{display:none}.mobile-drawer,.drawer-overlay{display:none}.site-main{min-height:60vh}.hero{padding:26px 0 78px}.hero-shell{position:relative}.hero-stage{position:relative;border-radius:18px;overflow:hidden;border:1px solid rgba(240,216,154,.14);background:#18202D;box-shadow:0 16px 42px rgba(0,0,0,.26)}.hero-slide{display:none;position:relative}.hero-slide.is-active{display:block}.hero-media{aspect-ratio:16/7;min-height:260px;max-height:380px;border-radius:0;border:0}.hero-copy{position:absolute;left:clamp(20px,5vw,64px);bottom:clamp(20px,4vw,46px);max-width:min(560px,72%);padding:20px 22px;border-radius:16px;background:rgba(11,16,24,.78);backdrop-filter:blur(8px)}.hero-copy h1,.hero-copy h2{margin:0 0 8px;font-size:clamp(30px,4vw,54px);line-height:1.12;color:#F0D89A}.hero-copy h2{font-size:clamp(26px,3.5vw,46px)}.hero-copy p{margin:0 0 16px;color:#E8EDF6}.hero-dots{display:flex;justify-content:center;gap:8px;margin-top:14px}.hero-dots button{width:28px;height:5px;border:0;border-radius:999px;background:#253044;cursor:pointer}.hero-dots button.is-active{background:#F0D89A}.section{padding:76px 0}.section.compact{padding-top:48px;padding-bottom:48px}.section-head{max-width:800px;margin-bottom:28px}.eyebrow{display:inline-block;margin-bottom:10px;color:#E4C77D;font-size:13px;letter-spacing:.08em}.section h2,.article h2{color:#F0D89A;line-height:1.25}.section h2{font-size:clamp(26px,3vw,38px);margin:0 0 12px}.section p{margin:0 0 14px;color:#BAC3D2}.lead{font-size:18px;color:#E8EDF6!important}.intro{padding:70px 0 30px}.intro-inner{max-width:900px}.intro h1{font-size:clamp(32px,4.2vw,52px);line-height:1.16;color:#F0D89A;margin:0 0 16px}.intro p{font-size:18px;color:#BAC3D2;margin:0}.feature-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}.feature-stack{display:grid;gap:20px}.panel{background:#18202D;border:1px solid rgba(240,216,154,.12);border-radius:18px;padding:28px;box-shadow:0 16px 42px rgba(0,0,0,.18)}.panel h3{margin:0 0 8px;color:#F0D89A;font-size:22px}.panel p{margin:0 0 12px}.text-link{color:#E4C77D;text-decoration:underline;text-underline-offset:4px}.timeline{display:grid;gap:2px;border-left:1px solid rgba(240,216,154,.22);margin-left:8px}.timeline-item{padding:12px 12px 12px 24px;position:relative}.timeline-item:before{content:"";position:absolute;left:-5px;top:24px;width:9px;height:9px;border-radius:50%;background:#F0D89A}.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:36px;align-items:center}.split.reverse{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.split.reverse .split-media{order:2}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#111722;border:1px solid rgba(240,216,154,.10);aspect-ratio:4/3;min-height:220px;max-height:320px}.media img{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;object-position:center center}.media-placeholder{width:100%;height:100%;min-height:inherit;background:linear-gradient(145deg,#111722,#1E2736)}.topic-media{aspect-ratio:16/10;min-height:150px;max-height:210px}.app-media{aspect-ratio:4/3;min-height:210px;max-height:300px}.wide-media{aspect-ratio:16/7;min-height:250px;max-height:380px}.channel-mosaic{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:auto auto;gap:18px}.channel-mosaic .wide{grid-row:1/3}.channel-mosaic a{display:block}.channel-box{min-height:150px;background:#18202D;border:1px solid rgba(240,216,154,.12);border-radius:16px;padding:24px}.channel-box h3{color:#F0D89A;margin:0 0 8px}.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.topic-card{background:#18202D;border:1px solid rgba(240,216,154,.11);border-radius:14px;padding:14px}.topic-card h3{font-size:18px;margin:13px 0 6px;color:#F0D89A}.topic-card p{font-size:14px;margin-bottom:8px}.dual{display:grid;grid-template-columns:1fr 1fr;gap:20px}.clean-list{display:grid;gap:12px;padding:0;margin:0;list-style:none}.clean-list li{padding:16px 18px;border-radius:14px;background:#1E2736;border:1px solid rgba(240,216,154,.09)}.feedback-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.feedback{margin:0;padding:20px 22px;border-left:3px solid #F0D89A;background:#18202D;border-radius:0 14px 14px 0;color:#BAC3D2}.faq{display:grid;gap:12px}.faq details{background:#18202D;border:1px solid rgba(240,216,154,.12);border-radius:14px;padding:16px 18px}.faq summary{cursor:pointer;color:#F0D89A;font-weight:700}.faq details p{margin:10px 0 0}.article{max-width:860px;margin:0 auto}.article p,.article li{font-size:17px;color:#BAC3D2}.article h2{margin-top:42px;font-size:30px}.article h3{color:#E4C77D;font-size:21px;margin-top:28px}.article ul,.article ol{padding-left:1.3em}.article .media{margin:24px 0 30px}.summary-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0 36px}.summary-strip div{padding:18px;background:#18202D;border-radius:14px;border:1px solid rgba(240,216,154,.1)}.summary-strip strong{display:block;color:#F0D89A;margin-bottom:5px}.columns-two{display:grid;grid-template-columns:1fr 1fr;gap:28px}.columns-two>div{background:#18202D;border:1px solid rgba(240,216,154,.1);border-radius:18px;padding:26px}.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.related a{padding:8px 13px;border-radius:999px;background:#1E2736;color:#E4C77D}.notice{padding:22px;border-radius:16px;background:#253044;border:1px solid rgba(240,216,154,.15)}.site-footer{background:#0B1018;margin-top:76px;padding:54px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}.footer-grid h2{font-size:16px;color:#F0D89A}.footer-grid nav{display:flex;flex-direction:column;gap:7px}.footer-grid a,.footer-grid p{color:#8F9AAF}.footer-note{border-top:1px solid rgba(240,216,154,.1);margin-top:34px;padding-top:18px;font-size:13px;color:#8F9AAF;display:flex;justify-content:space-between;gap:20px}.desktop-tools{position:fixed;right:18px;bottom:22px;z-index:8000;display:flex;flex-direction:column;gap:8px}.desktop-tools a,.desktop-tools button{border:1px solid rgba(240,216,154,.16);background:#18202D;color:#E8EDF6;padding:9px 12px;border-radius:10px;box-shadow:0 8px 20px rgba(0,0,0,.2);cursor:pointer}.desktop-tools .tool-gold{background:#F0D89A;color:#111722;font-weight:700}.mobile-bottom{display:none}.cta-line{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.meta-note{font-size:14px;color:#8F9AAF!important}.numbered{counter-reset:item;display:grid;gap:14px}.numbered .step{position:relative;padding:20px 20px 20px 62px;background:#18202D;border-radius:14px;border:1px solid rgba(240,216,154,.1)}.numbered .step:before{counter-increment:item;content:counter(item);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#F0D89A;color:#111722;font-weight:800}.mini-index{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mini-index a{padding:14px 16px;background:#18202D;border:1px solid rgba(240,216,154,.1);border-radius:14px}.quote-list{display:grid;gap:12px}.quote-list p{padding:16px 18px;margin:0;background:#18202D;border-radius:14px}.service-band{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:stretch}.service-band>div{background:#18202D;border:1px solid rgba(240,216,154,.1);border-radius:18px;padding:28px}
@media (max-width:1100px){.header-inner{gap:14px;padding:0 16px}.main-nav{gap:10px}.main-nav a{font-size:14px}.auth-actions{gap:6px}.btn{padding:0 13px}.topic-grid{grid-template-columns:repeat(3,1fr)}.channel-mosaic{grid-template-columns:1.2fr 1fr}.channel-mosaic .wide{grid-column:1/-1;grid-row:auto}.desktop-tools{display:none}}
@media (max-width:820px){.desktop-header,.category-bar{display:none}.mobile-header{min-height:64px;padding:8px 14px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}.mobile-header .menu-toggle{justify-self:start;background:#1E2736;color:#E8EDF6;border:1px solid rgba(240,216,154,.14);border-radius:999px;padding:8px 13px}.mobile-logo{justify-self:center}.mobile-register{justify-self:end;min-height:38px;padding:0 12px;font-size:13px}.mobile-drawer{display:block;position:fixed;z-index:10002;top:0;left:0;bottom:0;width:min(86vw,330px);background:#18202D;transform:translateX(-104%);transition:transform .22s ease;overflow-y:auto;box-shadow:18px 0 40px rgba(0,0,0,.35)}.mobile-drawer.open{transform:translateX(0)}.drawer-overlay{display:block;position:fixed;z-index:10001;inset:0;background:rgba(0,0,0,.58)}.drawer-overlay[hidden]{display:none}.drawer-head{position:sticky;top:0;background:#18202D;display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid rgba(240,216,154,.1)}.drawer-close{background:#253044;color:#E8EDF6;border:0;border-radius:999px;padding:8px 12px}.drawer-nav{padding:10px 14px 28px;display:flex;flex-direction:column}.drawer-nav h2{font-size:13px;color:#F0D89A;margin:18px 0 5px}.drawer-nav a{padding:9px 7px;color:#BAC3D2;border-bottom:1px solid rgba(255,255,255,.04)}body.drawer-open{overflow:hidden}.shell{width:min(100% - 28px,1280px)}.hero{padding:18px 0 54px}.hero-media{aspect-ratio:16/8;min-height:220px;max-height:320px}.hero-copy{max-width:78%;padding:16px}.section{padding:58px 0}.feature-grid,.split,.split.reverse,.dual,.columns-two,.service-band{grid-template-columns:1fr}.split.reverse .split-media{order:0}.topic-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-brand{grid-column:1/-1}.summary-strip{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;display:grid;grid-template-columns:repeat(5,1fr);background:#0B1018;border-top:1px solid rgba(240,216,154,.14)}.mobile-bottom a{padding:11px 4px;text-align:center;font-size:12px;color:#BAC3D2}.site-footer{padding-bottom:84px}.site-main{padding-bottom:56px}.feedback-grid{grid-template-columns:1fr}}
@media (max-width:600px){.hero-media{aspect-ratio:16/10;min-height:190px;max-height:280px}.hero-copy{position:relative;left:auto;bottom:auto;max-width:none;border-radius:0;background:#18202D}.hero-copy h1,.hero-copy h2{font-size:30px}.topic-grid{grid-template-columns:repeat(2,1fr);gap:12px}.topic-card{padding:10px}.topic-card h3{font-size:16px}.topic-card p{font-size:13px}.channel-mosaic{grid-template-columns:1fr}.summary-strip,.mini-index{grid-template-columns:1fr}.section{padding:50px 0}.intro{padding:50px 0 22px}.panel{padding:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-note{flex-direction:column}.article p,.article li{font-size:16px}.article h2{font-size:26px}.mobile-logo img{height:40px;max-width:140px}.mobile-register{font-size:12px;padding:0 10px}.mobile-header .menu-toggle{font-size:12px;padding:8px 10px}}
@media (max-width:380px){.mobile-header{grid-template-columns:64px minmax(0,1fr) 82px;padding:8px 10px}.mobile-logo img{max-width:120px}.mobile-register{padding:0 8px}.topic-grid{grid-template-columns:1fr 1fr}.shell{width:min(100% - 22px,1280px)}}
