:root{--cl-shell:min(1200px,calc(100% - 48px));--cl-font:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;--cl-ink:#0a1c35;--cl-muted:#607089;--cl-blue:#0b69df;--cl-orange:#ff6a00;--cl-line:#dce5f0;--cl-ease:cubic-bezier(.22,.8,.25,1)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.ct-city-landing{margin:0;background:#fff;color:var(--cl-ink);font-family:var(--cl-font);font-size:16px;line-height:1.7;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
.ct-city-landing img{max-width:100%}
.cl-main{overflow:hidden}
.cl-shell{width:var(--cl-shell);margin-inline:auto}
.cl-section{padding:88px 0}
.cl-kicker{display:flex;align-items:center;gap:10px;margin:0 0 15px;color:var(--cl-blue);font-size:11px;font-weight:900;letter-spacing:.15em;text-transform:uppercase}
.cl-kicker:before{content:"";width:26px;height:2px;background:currentColor}
.cl-section-head{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.6fr);align-items:end;gap:52px;margin-bottom:42px}
.cl-section-head h2{max-width:760px;margin:0;font-size:clamp(36px,4.3vw,52px);line-height:1.08;letter-spacing:-.045em}
.cl-section-head>p{margin:0;color:var(--cl-muted);font-size:15px;line-height:1.9}
.cl-crumb{display:flex;align-items:center;gap:9px;margin:0 0 28px;font-size:12px}
.cl-crumb a{color:inherit;text-decoration:none}.cl-crumb i{opacity:.42}.cl-crumb strong{font-weight:800}
.cl-ad{padding:26px 0;background:#edf4ff}.cl-ad.is-final{padding:32px 0;background:#071a36}
.cl-ad-inner{width:min(1200px,calc(100% - 48px));margin:auto;overflow:hidden;border-radius:24px;box-shadow:0 22px 58px rgba(16,61,119,.14)}
.cl-ad picture,.cl-ad img{display:block;width:100%}.cl-ad img{height:auto;object-fit:contain}
.cl-reveal{opacity:1;transform:none;transition:opacity .7s ease,transform .7s var(--cl-ease)}
.js .cl-reveal{opacity:0;transform:translateY(24px)}.cl-reveal.is-visible{opacity:1;transform:none}
.cl-faq{background:#f6f8fb}.cl-faq-grid{display:grid;grid-template-columns:minmax(260px,.55fr) minmax(0,1fr);gap:70px}.cl-faq-intro{position:sticky;top:110px;align-self:start}.cl-faq-intro h2{margin:0;font-size:clamp(36px,4.1vw,50px);line-height:1.08;letter-spacing:-.045em}.cl-faq-intro p:last-child{color:var(--cl-muted)}
.cl-faq-list{border-top:1px solid var(--cl-line)}.cl-faq-list details{border-bottom:1px solid var(--cl-line)}.cl-faq-list summary{display:grid;grid-template-columns:40px minmax(0,1fr) 20px;align-items:center;gap:12px;padding:23px 0;cursor:pointer;list-style:none;font-size:17px;font-weight:850}.cl-faq-list summary::-webkit-details-marker{display:none}.cl-faq-list summary i{font-style:normal;color:var(--cl-blue);font-size:11px}.cl-faq-list summary b{font-size:20px;transition:transform .25s}.cl-faq-list details[open] summary b{transform:rotate(45deg)}.cl-faq-list details p{margin:-4px 0 23px;padding-left:52px;color:var(--cl-muted);font-size:14px;line-height:1.85}
.cl-platform{background:#08182f;color:#fff}.cl-platform-grid{display:grid;grid-template-columns:minmax(290px,.63fr) minmax(0,1.37fr);gap:24px}.cl-platform-copy{display:flex;flex-direction:column;justify-content:space-between;min-height:520px;padding:38px;border:1px solid rgba(100,203,255,.18);border-radius:28px;background:linear-gradient(150deg,#103b72,#08182f)}.cl-platform-copy h2{margin:0;font-size:clamp(36px,4vw,50px);line-height:1.07;letter-spacing:-.045em}.cl-platform-copy p{color:#a8bbd2}.cl-platform-tags{display:flex;flex-wrap:wrap;gap:8px}.cl-platform-tags span{padding:7px 10px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#d5e5f6;font-size:11px}.cl-platform-visual{display:grid;grid-template-columns:1fr 1fr;gap:14px}.cl-platform-card{overflow:hidden;border:1px solid rgba(255,255,255,.14);border-radius:22px;background:#0b1d37}.cl-platform-card:first-child{grid-column:1/3}.cl-platform-card img{display:block;width:100%;height:205px;object-fit:cover;object-position:top}.cl-platform-card:first-child img{height:280px}.cl-platform-card div{padding:19px}.cl-platform-card small{color:#6edcf5;font-size:10px;font-weight:900;letter-spacing:.12em}.cl-platform-card h3{margin:6px 0;font-size:20px}.cl-platform-card p{margin:0;color:#9ab0c8;font-size:13px;line-height:1.7}
@media(max-width:980px){.cl-section{padding:72px 0}.cl-section-head{grid-template-columns:1fr;gap:16px}.cl-platform-grid,.cl-faq-grid{grid-template-columns:1fr}.cl-faq-intro{position:static}.cl-platform-copy{min-height:0;gap:38px}}
@media(max-width:700px){:root{--cl-shell:calc(100% - 28px)}body.ct-city-landing{font-size:15px}.cl-section{padding:58px 0}.cl-section-head{margin-bottom:30px}.cl-section-head h2{font-size:clamp(28px,9.3vw,34px);line-height:1.12}.cl-section-head>p{font-size:14px;line-height:1.75}.cl-ad{padding:14px 0}.cl-ad.is-final{padding:18px 0}.cl-ad-inner{width:calc(100% - 20px);border-radius:15px}.cl-faq-grid{gap:30px}.cl-faq-intro h2,.cl-platform-copy h2{font-size:clamp(28px,9vw,34px)}.cl-faq-list summary{grid-template-columns:32px minmax(0,1fr) 18px;padding:19px 0;font-size:15px}.cl-faq-list details p{padding-left:44px}.cl-platform-copy{padding:24px;border-radius:22px}.cl-platform-visual{grid-template-columns:1fr}.cl-platform-card:first-child{grid-column:auto}.cl-platform-card img,.cl-platform-card:first-child img{height:auto;aspect-ratio:16/9}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .cl-reveal{opacity:1;transform:none}.cl-reveal{transition:none}}