:root{--ink:#1d2729;--muted:#566366;--teal:#087f83;--line:#dce3e3;--paper:#f3f6f6;--accent:#d1ee60;--white:#fff;color-scheme:light}
*{box-sizing:border-box;letter-spacing:0}html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--white);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}
a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #0c999e;outline-offset:5px}
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.site-header{position:sticky;top:0;background:#fffffff5;z-index:20;border-bottom:1px solid var(--line)}.header-inner{width:min(1440px,calc(100% - 64px));margin:auto;min-height:88px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto;min-width:0}.brand img{width:58px;height:44px;object-fit:contain}.brand strong{display:block;font-size:18px;line-height:1.3}.brand small{display:block;font-size:11px;color:var(--muted);margin-top:3px}.site-header nav{display:flex;gap:26px;font-size:13px;font-weight:600;white-space:nowrap}.site-header nav a{padding:12px 0}.site-header nav a:hover{color:var(--teal)}
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.expertise-section{background:var(--paper)}.expertise-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:100px}.expertise-list article{display:flex;gap:24px;padding:26px 0;border-bottom:1px solid #d4dddd}.expertise-list article:first-child{padding-top:0}.expertise-list article>svg{color:var(--teal);margin-top:4px}.expertise-list p{color:var(--muted);font-size:14px;margin-top:10px}.brand-area{margin-top:66px;padding-top:30px;border-top:1px solid #d4dddd}.small-label{font-size:12px;color:var(--muted)}.brands{display:flex;align-items:center;flex-wrap:wrap;gap:20px 36px;margin:23px 0}.brands span{font-size:22px;font-weight:650;color:#465457}.brand-area .fine-print{max-width:820px}
.readiness-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:100px}.readiness-intro{position:sticky;top:130px;align-self:start}.inline-link{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:600;color:var(--teal)}.readiness-intro .inline-link{margin-top:28px}.inline-link:hover{text-decoration:underline;text-underline-offset:5px}.checks details{border-bottom:1px solid var(--line)}.checks details:first-child{border-top:1px solid var(--line)}.checks summary{display:flex;align-items:center;gap:18px;padding:19px 4px;cursor:pointer;font-size:17px;font-weight:600;list-style:none}.checks summary::-webkit-details-marker{display:none}.check-number{font-size:11px;color:var(--teal);font-weight:500}.checks summary svg{margin-left:auto;width:18px;height:18px;transition:transform .2s}.checks details[open] summary svg{transform:rotate(45deg)}.checks details>p{padding:0 34px 22px;color:var(--muted);font-size:14px}
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@media(min-width:1600px){.hero-content{width:min(1320px,calc(100% - 120px))}.hero{height:min(710px,calc(100svh - 174px))}}
@media(max-width:1100px){.header-inner{width:calc(100% - 40px);gap:20px}.site-header nav{gap:17px}.brand small{display:none}.brand strong{font-size:16px}.brand img{width:48px}.container{width:calc(100% - 64px)}.expertise-layout,.readiness-layout{gap:50px}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 36px}.service h3{min-height:48px}.intro-inner{grid-template-columns:150px 1fr}.location{display:none}.contact-channel a{font-size:22px}.contact-grid{gap:40px}}
@media(max-width:760px){html{scroll-padding-top:140px}.header-inner{min-height:108px;flex-wrap:wrap;padding:14px 0 9px;gap:10px 14px}.brand{order:0}.brand img{width:42px;height:34px}.brand strong{font-size:16px}.site-header nav{order:2;width:100%;justify-content:space-between;gap:12px;font-size:12px}.site-header nav a{padding:4px 0}.container{width:calc(100% - 40px)}.section{padding:64px 0}h2{font-size:31px}h1{font-size:46px;max-width:440px}.hero{height:auto;min-height:0}.hero-content{padding-top:58px;padding-bottom:66px}.hero-image{object-position:60% center}.hero-shade{background:linear-gradient(90deg,rgba(12,22,25,.93),rgba(12,22,25,.68) 60%,rgba(12,22,25,.38))}.hero-lead{font-size:23px;max-width:410px;margin-top:21px}.hero-copy{font-size:14px;max-width:410px}.hero-actions{gap:20px;margin-top:26px}.button{padding:12px 16px;font-size:13px}.text-link{font-size:12px;gap:8px}.hero-caption{right:20px;bottom:12px;font-size:9px}.eyebrow{font-size:11px;margin-bottom:16px}.intro-inner{display:block;padding:24px 0}.intro-inner .eyebrow{margin-bottom:8px}.intro-inner>p:not(.eyebrow){font-size:15px}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:20px;max-width:520px}.service-grid{gap:12px 24px}.service{padding-right:0}.service h3{font-size:18px;min-height:66px}.service p{font-size:13px}.service>svg{margin-bottom:24px}.expertise-layout,.readiness-layout{grid-template-columns:1fr;gap:36px}.section-intro{font-size:15px;margin-top:20px}.expertise-list h3{font-size:20px}.brand-area{margin-top:38px}.brands{gap:16px 24px}.brands span{font-size:19px}.readiness-intro{position:static}.steps{grid-template-columns:1fr 1fr;gap:30px}.case-study{grid-template-columns:1fr;gap:24px;margin-top:44px}.case-study h3{font-size:25px}.contact-grid{grid-template-columns:1fr;gap:34px;margin-top:34px}.contact-channel a{font-size:24px}.footer-top{align-items:flex-start}.footer-top strong{font-size:12px}.footer-top .inline-link{font-size:12px;white-space:nowrap}.footer-bottom{display:block}.privacy{margin-top:16px;max-width:none}.privacy summary{text-align:left}}
@media(max-width:380px){h1{font-size:39px}.hero-content{padding-top:42px;padding-bottom:55px}.hero-lead{font-size:21px}.hero-actions{align-items:flex-start;flex-direction:column;gap:18px}.service-grid{grid-template-columns:1fr}.service h3{min-height:0}.service p{font-size:14px}.brand{gap:7px}.brand strong{font-size:14px}.brand img{width:34px}.contact-channel a{font-size:21px}.footer-top{flex-direction:column}.eyebrow{font-size:10px}}
.wechat-contact{display:flex;flex-wrap:wrap;align-items:center;gap:12px 32px;margin-top:32px;padding:16px 0;border-bottom:1px solid #456465}.wechat-contact h3{margin:0}.wechat-id{font-size:24px;font-weight:500;user-select:all;overflow-wrap:anywhere}
.language-switch{display:flex;border:1px solid var(--line);padding:3px;border-radius:4px;gap:2px;flex-shrink:0}.language-switch button{border:0;background:transparent;color:var(--muted);min-width:42px;min-height:34px;border-radius:2px;font-size:12px;font-weight:650}.language-switch [aria-pressed=true]{background:var(--ink);color:#fff}
html[lang=zh-CN] h1{font-size:58px}html[lang=zh-CN] .hero-lead{font-size:30px;max-width:500px}html[lang=zh-CN] h2{line-height:1.35}html[lang=zh-CN] .service h3{min-height:50px}
@media(max-width:760px){.language-switch{order:1;margin-left:auto}.language-switch button{min-width:36px;min-height:30px}html[lang=zh-CN] h1{font-size:46px}html[lang=zh-CN] .hero-lead{font-size:23px;max-width:410px}}
@media(max-width:380px){html[lang=zh-CN] h1{font-size:39px}html[lang=zh-CN] .hero-lead{font-size:21px}html[lang=zh-CN] .service h3{min-height:0}}
.footer-registration{margin-top:20px;text-align:center;font-size:13px;color:var(--muted)}.icp-link{display:inline-block;padding:6px 0}.icp-link:hover{text-decoration:underline}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}