:root{--bg:#fff;--ink:#142e45;--muted:#536d81;--border:#dce6ed;--accent:#1760ca;--surface:#f0f6fa;--max:1240px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:white;font-family:'Microsoft YaHei','PingFang SC',system-ui,sans-serif;font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,textarea{font:inherit}button{cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #1760ca;outline-offset:5px}::selection{background:#d3e6fe}.section{max-width:var(--max);margin:auto;padding-left:40px;padding-right:40px}.skip{position:fixed;top:-100px;z-index:10;background:#1760ca;color:white;padding:12px}.skip:focus{top:0}p{margin-top:0}h3{font-weight:600}
header{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;height:96px;padding:0 40px;border-bottom:1px solid var(--border)}.brand{display:flex;gap:12px;align-items:center;font-size:22px;font-weight:600;line-height:1.4;white-space:nowrap}.brand small{display:block;font-size:10px;letter-spacing:1.6px;font-weight:400;color:#5b7185;margin-top:4px}.mark{width:42px;height:42px;display:grid;place-items:center;background:#1760ca;color:white;font-family:serif;font-size:27px;border-radius:10px}.menu{display:none}nav{display:flex;gap:30px;align-items:center;color:#53697c;font-size:14px}nav a:hover{color:var(--accent)}.nav-cta{background:#edf4ff;color:var(--accent);padding:10px 20px;border-radius:7px}
.hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(285px,.8fr);gap:75px;align-items:center;padding-top:86px;padding-bottom:86px;min-height:660px}.eyebrow{font-size:12px;letter-spacing:1.5px;font-weight:500;color:var(--accent);margin:0 0 22px}.hero .eyebrow{font-size:14px;letter-spacing:1px;display:flex;align-items:center;gap:12px}.line{width:22px;height:2px;background:#1760ca}.hero h1{font-size:clamp(39px,4.6vw,59px);line-height:1.4;font-weight:600;letter-spacing:-1.8px;margin:0 0 24px}.hero h1 em{font-style:normal;color:var(--accent)}.lead{font-size:17px;line-height:1.95;color:var(--muted);margin:0}.actions{display:flex;gap:12px;margin:30px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:11px 24px;border:1px solid transparent;border-radius:7px;font-size:15px;font-weight:500;transition:background .2s,color .2s}.primary{background:var(--accent);color:white}.primary:hover{background:#0a49a8}.secondary{background:white;color:var(--ink);border-color:#c7d6e1}.secondary:hover{background:#edf4fa}.hero-foot{display:flex;flex-wrap:wrap;gap:10px;color:#526c82;font-size:12px}.hero-foot span{padding:4px 10px;background:#f1f6fa;border-radius:4px}.hero-aside{background:#f1f7fc;border:1px solid #dce9f5;border-radius:14px;padding:30px 32px;box-shadow:12px 12px 0 #f8fafc}.aside-label{font-size:12px;color:#1760ca;letter-spacing:2px}.hero-aside h2{font-size:24px;line-height:1.6;letter-spacing:0;margin:16px 0 20px;font-weight:500}.aside-row{display:flex;gap:20px;align-items:center;padding:14px 0;border-top:1px solid #d9e6f0}.aside-row>span{font-size:13px;color:#1760ca;min-width:24px}.aside-row strong{display:block;font-size:16px;font-weight:500}.aside-row small{font-size:13px;color:#60788c;display:block}
.position-strip{display:grid;grid-template-columns:1fr 1.5fr;gap:65px;padding-top:32px;padding-bottom:32px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.position-strip>p{font-size:23px;line-height:1.6;margin:0}.position-strip strong{font-weight:500;color:#1760ca}.position-strip>div{display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:center}.position-strip span{font-size:11px;letter-spacing:1px;color:#607b90}.position-strip div p{font-size:15px;color:var(--muted);margin:0}.block{padding-top:95px;padding-bottom:95px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:45px;margin-bottom:44px}.section-heading .eyebrow{margin-bottom:17px}h2{font-size:clamp(28px,3vw,37px);font-weight:500;line-height:1.6;letter-spacing:-.6px;margin:0}.section-heading>p{font-size:15px;color:var(--muted);max-width:380px;margin:0 0 5px}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.services article{padding:28px;border:1px solid var(--border);border-radius:12px;position:relative;background:white}.services .featured{border-color:#b4d2f6;background:#f2f7ff}.service-number{font-size:12px;color:#3b6b9c;padding:4px 9px;background:#eaf2fb;border-radius:4px;display:inline-block}.services h3{font-size:23px;margin:24px 0 14px}.services p{font-size:15px;min-height:56px;color:var(--muted);margin:0}.services ul{list-style:none;padding:0;margin:24px 0 28px;font-size:14px;color:#476279}.services li{margin:8px 0}.services li:before{content:'—';color:#7b9ebd;margin-right:10px}.service-tag{display:block;border-top:1px solid var(--border);padding-top:18px;color:#1760ca;font-size:13px}
.scenario-section{background:#f2f7fb}.scenario-tabs{display:flex;gap:8px;margin-bottom:30px}.scenario-tabs button{padding:11px 21px;color:#536c83;background:white;border:1px solid #d3e0eb;border-radius:6px;font-size:15px}.scenario-tabs button[aria-selected=true]{background:#1760ca;color:white;border-color:#1760ca}.scenario-tabs button:hover:not([aria-selected=true]){background:#e5eff9}.scenario-panel{display:grid;grid-template-columns:1fr 1fr;gap:70px;background:white;border:1px solid #dce7f0;border-radius:12px;padding:40px}.mini-label{font-size:11px;letter-spacing:1.5px;color:#617c93}.scenario-panel h3{font-size:29px;font-weight:500;line-height:1.6;margin:18px 0}.scenario-panel p{font-size:15px;color:var(--muted);max-width:450px}.evaluation{margin-top:28px;padding-top:18px;border-top:1px solid var(--border)}.evaluation span{font-size:12px;color:#286c94}.evaluation p{font-size:14px;margin:7px 0 0}.flow{padding:8px 0}.flow>.mini-label{display:block;margin-bottom:25px}.flow-step{display:flex;align-items:center;gap:20px;background:#f5f8fc;border:1px solid #dde7f0;padding:19px 22px;border-radius:7px}.flow-step>span{font-size:13px;color:#4b7094}.flow-step strong{display:block;font-size:16px;font-weight:500}.flow-step small{display:block;font-size:12px;color:#637b8f;margin-top:3px}.flow-step.accent{background:#edf5ff;border-color:#c2d9f7}.flow-step.accent strong{color:#1760ca}.flow i{display:block;width:1px;height:18px;background:#a8bfd5;margin:auto}
.method-intro{display:flex;gap:50px;align-items:center;padding:24px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:40px}.method-intro strong{font-size:21px;white-space:nowrap;font-weight:500;color:#1760ca}.method-intro p{max-width:690px;color:var(--muted);font-size:15px;margin:0}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.steps article{border-top:2px solid #c8ddf2;padding-top:20px}.steps span{font-size:28px;line-height:1.3;font-weight:400;color:#7f9ebb}.steps h3{font-size:20px;margin:18px 0 10px}.steps p{font-size:14px;color:var(--muted);margin:0}
.scope-section{background:#f4f8f9}.scope-section .eyebrow{color:#287968}.scope-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.scope-grid article{padding-top:24px;border-top:1px solid #c7dcd9}.scope-grid article>span{font-size:13px;color:#287968}.scope-grid h3{font-size:23px;font-weight:500;margin:15px 0}.scope-grid p{font-size:15px;color:var(--muted)}.scope-grid small{font-size:13px;color:#56757a}.scope-note{font-size:13px;color:#58707e;margin:32px 0 0}
.contact{display:grid;grid-template-columns:1.3fr 1fr;gap:70px;align-items:center}.contact h2{font-size:33px}.contact>div>p:not(.eyebrow){font-size:15px;color:var(--muted);margin:22px 0 0}.contact-card{padding:32px;background:#f2f7ff;border:1px solid #d7e5f6;border-radius:12px}.contact-card h3{font-size:20px;font-weight:500;margin:0 0 16px}.contact-link{display:block;font-size:20px;color:#1760ca;overflow-wrap:anywhere;margin-top:8px}.contact-link:hover{text-decoration:underline}.contact-meta{display:block;font-size:13px;color:#5a7184;margin-top:6px}.contact-card .button{width:100%;background:white;color:#1760ca;border-color:#b8d0f0;margin-top:24px}.contact-card .button:hover{background:#e5efff}.copy-status{font-size:12px;color:#5a7184;margin:12px 0 0;min-height:24px}
footer{border-top:1px solid var(--border);padding-top:32px;padding-bottom:28px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-top p,.footer-top>a:last-child{font-size:13px;color:var(--muted);margin:0}.footer-top .brand{font-size:19px}.footer-top .mark{width:35px;height:35px;font-size:24px}.footer-bottom{display:flex;justify-content:space-between;gap:24px;color:#61778a;font-size:12px;margin-top:28px}dialog{width:min(520px,90vw);padding:30px;background:white;color:var(--ink);border:1px solid #d7e2eb;border-radius:12px;box-shadow:0 20px 90px #143e6d20}dialog::backdrop{background:#12355760}dialog h3{margin-top:0}dialog textarea{width:100%;height:270px;display:block;border:1px solid var(--border);border-radius:5px;background:#f4f8fc;color:var(--ink);padding:16px;font-size:15px;resize:vertical;margin-bottom:22px}
@media(max-width:1050px){.hero{gap:40px;grid-template-columns:minmax(0,1.3fr) minmax(260px,.8fr);min-height:600px;padding-top:65px;padding-bottom:65px}.hero h1{font-size:clamp(35px,4.5vw,49px)}.hero-aside{padding:25px}.position-strip{gap:40px}.position-strip>div{grid-template-columns:1fr;gap:10px}.services article{padding:24px}.scenario-panel{gap:40px;padding:32px}.contact{gap:40px}.contact h2{font-size:29px}.steps{gap:24px}}
@media(max-width:760px){.section{padding-left:24px;padding-right:24px}header{height:85px;padding:0 24px;position:relative}.brand{font-size:19px}.brand small{font-size:9px}.mark{width:35px;height:35px;font-size:24px}.menu{display:block;background:#edf4ff;color:#1760ca;border:0;border-radius:5px;padding:6px 12px;font-size:14px}nav{display:none;position:absolute;top:84px;left:0;right:0;z-index:5;background:white;border-bottom:1px solid var(--border);box-shadow:0 15px 25px #12355310;padding:12px 24px 20px;flex-direction:column;align-items:stretch;gap:0}nav.open{display:flex}nav a{padding:11px 0}.nav-cta{margin-top:8px;padding:10px 15px;text-align:center}.hero{grid-template-columns:1fr;gap:36px;min-height:auto;padding-top:48px;padding-bottom:45px}.hero h1{font-size:clamp(34px,7.5vw,50px);line-height:1.5;letter-spacing:-1px;margin-bottom:20px}.hero .eyebrow{font-size:12px;letter-spacing:.4px}.lead{font-size:15px}.desktop{display:none}.actions{gap:10px;margin:26px 0}.button{padding:11px 18px;font-size:14px}.hero-foot{font-size:11px;gap:8px}.hero-aside{padding:24px;box-shadow:none}.hero-aside h2{font-size:23px}.aside-row{padding:12px 0}.position-strip{grid-template-columns:1fr;gap:20px;padding-top:27px;padding-bottom:27px}.position-strip>p{font-size:22px}.position-strip>p br{display:none}.position-strip div p{font-size:14px}.block{padding-top:62px;padding-bottom:62px}.section-heading{display:block;margin-bottom:30px}.section-heading .eyebrow{margin-bottom:16px}.eyebrow{font-size:11px;letter-spacing:1px}h2{font-size:28px}.section-heading>p{margin:19px 0 0;font-size:14px}.services{grid-template-columns:1fr;gap:14px}.services article{padding:25px}.services h3{font-size:22px;margin:18px 0 12px}.services p{min-height:0}.services ul{margin:18px 0 24px}.scenario-tabs{gap:7px}.scenario-tabs button{font-size:12px;padding:10px 8px;flex:1;white-space:nowrap}.scenario-panel{grid-template-columns:1fr;gap:28px;padding:23px}.scenario-panel h3{font-size:26px}.scenario-panel p{font-size:14px}.flow-step{padding:16px;gap:15px}.flow-step small{font-size:12px}.method-intro{display:block;margin-bottom:30px}.method-intro strong{font-size:19px}.method-intro p{margin-top:12px;font-size:14px}.steps{grid-template-columns:1fr 1fr;gap:28px 20px}.steps span{font-size:27px}.steps h3{font-size:18px;margin:14px 0 9px}.steps p{font-size:13px}.scope-grid{grid-template-columns:1fr;gap:28px}.scope-grid article{padding-top:20px}.scope-grid h3{margin:10px 0}.contact{grid-template-columns:1fr;gap:30px}.contact h2{font-size:27px}.contact-card{padding:25px}.contact-link{font-size:19px}.footer-top{flex-wrap:wrap}.footer-top p{order:3;width:100%;font-size:12px}.footer-bottom{display:block;font-size:11px}.footer-bottom>span{display:block;margin-bottom:8px}}
.wecom-contact{display:flex;align-items:center;gap:22px;margin:20px 0 24px}.wecom-image{display:block;flex:0 0 170px;background:white;padding:10px;border:1px solid #dde6ef;border-radius:8px}.wecom-image img{display:block;width:100%;height:auto}.wecom-contact strong{font-size:17px;font-weight:500}.wecom-contact p{font-size:14px;line-height:1.8;color:var(--muted);margin:7px 0 10px}@media(max-width:420px){.wecom-contact{flex-direction:column;align-items:flex-start;gap:16px}.wecom-image{flex:none;width:190px}.wecom-contact p br{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}