*{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}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}button{font:inherit}body.drawer-open{overflow:hidden}.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-size:24px;font-weight:800;color:#F0D89A;white-space:nowrap}.main-nav{display:flex;align-items:center;justify-content:center;gap:clamp(14px,2vw,30px);min-width:0}.main-nav a{font-size:15px;color:#BAC3D2;white-space:nowrap;position:relative}.main-nav a:hover,.main-nav a.is-active{color:#F0D89A}.main-nav a.is-active:after{content:"";position:absolute;left:0;right:0;bottom:-11px;height:2px;background:#E4C77D}.header-actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 16px;border-radius:999px;border:1px solid rgba(240,216,154,.14);font-weight:700;white-space:nowrap}.btn-dark{background:#1E2736;color:#E8EDF6}.btn-gold{background:#F0D89A;color:#111722}.btn:hover{transform:translateY(-1px)}.category-nav{border-top:1px solid rgba(240,216,154,.08);background:#18202D;overflow-x:auto;scrollbar-width:thin}.category-track{width:max-content;min-width:100%;display:flex;justify-content:center;gap:4px;padding:8px 18px}.category-track a{padding:6px 10px;border-radius:999px;color:#BAC3D2;font-size:13px;white-space:nowrap}.category-track a:hover{background:#253044;color:#F0D89A}.mobile-header,.mobile-drawer,.drawer-overlay,.mobile-bottom-nav{display:none}.site-main{min-height:60vh}.hero-wrap{padding:34px 0 70px}.hero-slider{position:relative}.hero-slide{display:none;position:relative}.hero-slide.is-active{display:block}.hero-media{aspect-ratio:16/7;min-height:260px;max-height:380px}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#111722;border:1px solid rgba(240,216,154,.10)}.media img{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;object-position:center center}.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#18202D,#111722)}.hero-copy{max-width:720px;margin-top:24px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#E4C77D;font-size:13px;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before{content:"";width:24px;height:1px;background:#E4C77D}.hero-copy h1,.page-intro h1{font-size:clamp(36px,4.4vw,54px);line-height:1.15;margin:12px 0 16px;color:#F0D89A;letter-spacing:-.02em}.hero-copy p,.page-intro p{font-size:18px;color:#BAC3D2;max-width:760px;margin:0 0 22px}.section{padding:86px 0}.section-tight{padding:58px 0}.section-alt{background:#18202D}.section h2{font-size:clamp(28px,3vw,38px);line-height:1.25;margin:0 0 14px;color:#F0D89A}.section-lead{max-width:780px;color:#BAC3D2;margin:0 0 34px}.guide-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}.guide-side{display:grid;gap:22px}.feature-panel,.small-panel,.content-panel,.topic-card,.info-card,.quote-card,.faq-item,.notice-box{background:#1E2736;border:1px solid rgba(240,216,154,.14);box-shadow:0 16px 42px rgba(0,0,0,.16)}.feature-panel,.small-panel,.content-panel,.info-card,.notice-box{border-radius:18px;padding:28px}.feature-panel{min-height:320px;display:flex;flex-direction:column;justify-content:flex-end}.feature-panel h3,.small-panel h3,.content-panel h3,.info-card h3{margin:0 0 10px;color:#F0D89A}.text-link{display:inline-flex;margin-top:12px;color:#E4C77D;font-weight:700}.reading-line{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid rgba(240,216,154,.14);border-bottom:1px solid rgba(240,216,154,.14)}.reading-line a{padding:20px 14px;border-right:1px solid rgba(240,216,154,.10);color:#BAC3D2}.reading-line a:last-child{border-right:0}.reading-line strong{display:block;color:#F0D89A;margin-bottom:4px}.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:42px;align-items:center}.split.reverse{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}.split.reverse .media{order:2}.feature-media{aspect-ratio:4/3;min-height:220px;max-height:320px}.app-media{aspect-ratio:4/3;min-height:210px;max-height:300px}.topic-media{aspect-ratio:16/10;min-height:150px;max-height:210px}.channel-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:20px;align-items:start}.channel-grid .wide{grid-row:span 2;min-height:330px}.channel-grid .content-panel{min-height:155px}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.topic-card{border-radius:14px;overflow:hidden}.topic-card .topic-body{padding:18px}.topic-card h3{margin:0 0 8px;color:#F0D89A;font-size:18px}.topic-card p{color:#BAC3D2;font-size:14px;margin:0}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.simple-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.simple-list a,.simple-list div{padding:20px;border-radius:14px;background:#1E2736;border:1px solid rgba(240,216,154,.12)}.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.quote-card{padding:22px;border-radius:14px;color:#BAC3D2}.faq-list{display:grid;gap:14px}.faq-item{border-radius:14px;padding:22px}.faq-item h3{font-size:18px;color:#F0D89A;margin:0 0 8px}.faq-item p{margin:0;color:#BAC3D2}.page-intro{padding:72px 0 42px}.page-intro .meta-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.page-intro .meta-links a{padding:8px 12px;border-radius:999px;background:#1E2736;color:#BAC3D2;border:1px solid rgba(240,216,154,.12)}.article{max-width:860px;margin:0 auto}.article-wide{max-width:1080px;margin:0 auto}.article p{font-size:17px;color:#D3DAE6;margin:0 0 22px}.article h2{margin-top:48px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:26px}.three-col{display:grid;grid-template-columns:1.1fr .9fr .8fr;gap:18px}.stack-list{display:grid;gap:14px}.stack-list .row{padding:20px 22px;border-left:3px solid #E4C77D;background:#18202D;border-radius:0 14px 14px 0}.stack-list h3{margin:0 0 6px;color:#F0D89A}.inline-links{display:flex;flex-wrap:wrap;gap:10px}.inline-links a{padding:8px 12px;border-radius:999px;background:#253044;color:#E8EDF6}.notice-box{background:#18202D}.notice-box strong{color:#F0D89A}.app-pair{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.site-footer{background:#0B1018;padding:58px 0 100px;margin-top:80px}.footer-grid{display:grid;grid-template-columns:1.35fr .9fr .9fr .9fr;gap:34px}.footer-grid h2{font-size:15px;color:#F0D89A;margin:0 0 12px}.footer-grid a{display:block;color:#BAC3D2;margin:8px 0;font-size:14px}.footer-brand p{max-width:320px;color:#8F9AAF;font-size:14px}.footer-bottom{margin-top:36px;padding-top:22px;border-top:1px solid rgba(240,216,154,.10);display:flex;justify-content:space-between;gap:28px;color:#8F9AAF;font-size:13px}.footer-bottom p{margin:0}.desktop-tools{position:fixed;right:18px;bottom:22px;z-index:100;display:grid;gap:8px;width:112px}.desktop-tools a,.desktop-tools button{border:1px solid rgba(240,216,154,.12);background:#18202D;color:#E8EDF6;border-radius:12px;padding:9px 10px;text-align:center;font-size:12px;cursor:pointer}.desktop-tools .tool-gold{background:#F0D89A;color:#111722;font-weight:800}@media(max-width:1180px){.header-inner{gap:14px;padding:0 14px}.main-nav{gap:13px}.main-nav a{font-size:14px}.header-actions .btn{padding:0 12px}.category-track{justify-content:flex-start}.topic-grid{grid-template-columns:repeat(3,1fr)}.channel-grid{grid-template-columns:1.1fr .9fr}.channel-grid .wide{grid-row:auto;grid-column:1/-1}.reading-line{grid-template-columns:repeat(3,1fr)}.reading-line a:nth-child(3){border-right:0}}@media(max-width:900px){.desktop-header,.category-nav{display:none}.mobile-header{min-height:64px;padding:0 14px;display:grid;grid-template-columns:92px minmax(0,1fr) 92px;align-items:center}.menu-button{justify-self:start;width:40px;height:40px;border:1px solid rgba(240,216,154,.15);border-radius:12px;background:#18202D;display:grid;place-content:center;gap:4px}.menu-button span{width:18px;height:2px;background:#E8EDF6;display:block}.mobile-logo{justify-self:center}.mobile-logo img{height:42px;max-width:145px}.mobile-register{justify-self:end;min-height:36px;padding:0 12px;font-size:13px}.drawer-overlay{display:block;position:fixed;inset:0;background:rgba(4,8,14,.66);z-index:10000;opacity:0;pointer-events:none;transition:.2s}.drawer-overlay.is-open{opacity:1;pointer-events:auto}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:min(86vw,330px);background:#18202D;z-index:10001;transform:translateX(-101%);transition:.24s ease;box-shadow:20px 0 50px rgba(0,0,0,.35)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-head{height:68px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(240,216,154,.10)}.drawer-close{width:40px;height:40px;border:0;background:#253044;color:#E8EDF6;border-radius:10px;font-size:26px}.drawer-scroll{height:calc(100% - 68px);overflow:auto;padding:12px 16px 30px}.drawer-scroll section{padding:8px 0 14px}.drawer-scroll h2{font-size:13px;letter-spacing:.08em;color:#E4C77D;margin:0 0 8px}.drawer-scroll a{display:block;padding:8px 4px;color:#D9E0EB}.shell{width:min(100% - 28px,1280px)}.hero-wrap{padding:24px 0 50px}.hero-media{aspect-ratio:16/8;min-height:220px;max-height:320px}.section{padding:64px 0}.guide-grid,.split,.split.reverse,.service-grid,.app-pair{grid-template-columns:1fr}.split.reverse .media{order:0}.topic-grid{grid-template-columns:repeat(2,1fr)}.simple-list{grid-template-columns:1fr 1fr}.two-col,.three-col{grid-template-columns:1fr}.quote-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.desktop-tools{display:none}.site-footer{padding-bottom:110px}.mobile-bottom-nav{position:fixed;z-index:9990;left:0;right:0;bottom:0;height:64px;background:#0B1018;border-top:1px solid rgba(240,216,154,.12);display:grid;grid-template-columns:repeat(5,1fr);align-items:center;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;color:#BAC3D2;font-size:13px}.footer-bottom{display:block}.footer-bottom p+p{margin-top:12px}}@media(max-width:600px){.mobile-header{grid-template-columns:78px minmax(0,1fr) 88px;padding:0 10px}.mobile-logo img{height:38px;max-width:128px}.mobile-register{font-size:12px;padding:0 10px}.hero-media{aspect-ratio:16/10;min-height:190px;max-height:280px}.hero-copy h1,.page-intro h1{font-size:clamp(30px,9vw,36px)}.hero-copy p,.page-intro p{font-size:16px}.section{padding:52px 0}.feature-panel,.small-panel,.content-panel,.info-card,.notice-box{padding:22px}.reading-line{grid-template-columns:1fr 1fr}.reading-line a:nth-child(2n){border-right:0}.topic-grid{grid-template-columns:1fr 1fr;gap:12px}.topic-media{min-height:138px}.topic-card .topic-body{padding:14px}.topic-card h3{font-size:16px}.topic-card p{font-size:13px;line-height:1.65}.simple-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.page-intro{padding:52px 0 30px}.article p{font-size:16px}.app-media{min-height:190px}.feature-media{min-height:200px}}