:root{--ink:#152438;--muted:#58677b;--blue:#175cd3;--blue-dark:#124aab;--line:#dfe6f0;--paper:#f7f9fc;--soft-blue:#eaf2ff;--font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid #175cd3;outline-offset:6px;border-radius:4px}svg{display:block}svg path{stroke-linecap:round;stroke-linejoin:round}.wrap{width:min(1180px,calc(100% - 96px));margin-inline:auto}.skip-link{position:fixed;top:12px;left:16px;padding:12px 18px;background:#fff;z-index:5;transform:translateY(-150%)}.skip-link:focus{transform:none}
.site-header{height:104px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:25px;letter-spacing:-1.1px;font-weight:750;white-space:nowrap}.brand-mark{width:36px;height:36px;flex-shrink:0}.brand-mark rect{fill:#175cd3;stroke:none}.brand-mark path{stroke:#fff;stroke-width:1.9}.brand-blue{color:var(--blue)}.main-nav{display:flex;gap:32px;margin-left:30px;font-size:14px;color:var(--muted)}.main-nav a:hover,.text-link:hover,.language:hover{color:var(--blue)}.header-actions{display:flex;align-items:center;gap:24px}.language{font-size:13px;font-weight:600}.header-contact{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:8px;padding:9px 14px;font-size:13px;font-weight:600;background:#fff}.header-contact:hover{border-color:var(--blue)}.header-contact svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.7}
.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:38px;align-items:center;padding-block:65px 84px}.eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 23px;color:var(--blue);font-size:11px;font-weight:700;letter-spacing:1.8px;line-height:1.6}.dot{width:6px;height:6px;flex-shrink:0;background:var(--blue);border-radius:50%}h1,h2,h3,p{overflow-wrap:break-word}h1{font-size:clamp(43px,4.7vw,65px);line-height:1.12;font-weight:600;letter-spacing:-3px;margin:0 0 27px}h1>span{color:var(--blue)}.hero-intro{max-width:510px;margin:0;color:var(--muted);font-size:17px;line-height:1.9}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:24px;margin-top:33px}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:14px 19px;font-size:13px;font-weight:600;border-radius:8px;line-height:1.6}.button-primary{color:#fff;background:var(--blue);box-shadow:0 5px 14px #175cd319}.button-primary:hover{background:var(--blue-dark)}.button svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.8}.text-link{display:inline-flex;align-items:center;gap:11px;font-size:13px;font-weight:600}.text-link span{font-size:20px;line-height:1}.hero-note{margin:17px 0 0;color:var(--muted);font-size:11px}
.visual{position:relative;min-width:0;padding:29px 28px 30px 36px;isolation:isolate}.visual:before{content:"";position:absolute;z-index:-3;inset:0 -20px;background:radial-gradient(ellipse at 50% 48%,#dce9ffbb,transparent 72%)}.visual-orbit{position:absolute;border:1px solid #dce6f5;border-radius:50%;z-index:-2;inset:-22px -25px;transform:rotate(-23deg)}.orbit-two{inset:22px -50px;transform:rotate(30deg)}.passport-back{position:absolute;inset:42px 18px 24px 53px;border:1px solid #d7e2f3;background:#eef4fe;border-radius:17px;transform:rotate(5deg);z-index:-1}.passport-card{background:#fff;border:1px solid #dce4ef;border-radius:15px;box-shadow:0 25px 55px -25px #19396340;padding:25px 27px 14px;position:relative}.passport-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#617289;font-size:8px;letter-spacing:1.2px;font-weight:600}.passport-top .brand-mark{width:25px;height:25px}.passport-card h2{font-size:27px;line-height:1.25;letter-spacing:-.9px;font-weight:550;margin:20px 0 0}.product-visual{margin:9px 0 0}.product-visual>svg{width:100%;height:146px}.product-shadow{fill:#b6cffc;opacity:.2}.cube-top{fill:#cfe0ff;stroke:#a7c6fb;stroke-width:1.4}.cube-left{fill:#e7f0ff;stroke:#b2ccf4;stroke-width:1.4}.cube-right{fill:#a9c9ff;stroke:#83b0f6;stroke-width:1.4}.cube-detail{stroke:#7ca8ef;stroke-width:1.2}.cube-label{fill:#f6f9ff;stroke:#d2e2fb}.product-visual circle{fill:#5c94ef}.floating-line{stroke:#c5d9f9;stroke-width:1.5}.model-label{font-size:8px;font-weight:600;letter-spacing:1.3px;text-align:center;color:#63758d;margin:1px 0 18px}.passport-fields{border-top:1px solid #e8edf5}.passport-field{padding:12px 0;display:flex;align-items:center;gap:12px;border-bottom:1px solid #edf1f7}.field-icon{font:10px/1.5 ui-monospace,SFMono-Regular,monospace;color:#6b90c5;background:#f0f5fc;border:1px solid #e1eaf7;border-radius:5px;width:29px;height:29px;display:grid;place-items:center;flex-shrink:0}.passport-field div>span{display:block;color:#64758b;font-size:9px;margin-bottom:2px}.passport-field strong{display:block;font-size:10px;font-weight:550;line-height:1.4}.field-node{width:5px;height:5px;background:#87a6d7;border-radius:50%;margin-left:auto;flex-shrink:0}.concept-label{text-align:center;color:#6e7f94;font-size:8px;margin:13px 0 0}.floating-badge{position:absolute;bottom:66px;right:-9px;display:flex;align-items:center;gap:9px;background:#fff;padding:10px 13px;border:1px solid #dbe6f5;border-radius:9px;box-shadow:0 9px 23px #1b3f7912;color:#375578;font-size:10px;font-weight:600}.badge-symbol{color:var(--blue);background:#ecf3ff;display:grid;place-items:center;width:24px;height:24px;border-radius:7px;font-size:18px}
.status-bar{display:flex;align-items:center;justify-content:space-between;padding:23px 0 29px;border-top:1px solid var(--line);font-size:11px;color:#5e6f85}.status-bar>span:first-child{display:flex;align-items:center;gap:8px}.status-bar>span:last-child{letter-spacing:2px;font-size:9px}.status-dot{width:6px;height:6px;background:#6288bf;border-radius:50%}.background-section{background:#fff;padding:96px 0 71px;border-block:1px solid #e8edf4}.section-heading{max-width:650px}.section-heading h2{font-size:clamp(30px,3.2vw,43px);line-height:1.2;letter-spacing:-1.4px;font-weight:550;margin:0 0 21px}.section-heading>.eyebrow{margin-bottom:19px}.section-heading>p:last-child{font-size:15px;color:var(--muted);line-height:1.85;margin:0;max-width:610px}.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:43px;border:1px solid var(--line);border-radius:13px;overflow:hidden}.timeline-card{padding:27px 25px 23px;display:flex;flex-direction:column;min-width:0}.timeline-card+.timeline-card{border-left:1px solid var(--line)}.timeline-meta{display:flex;flex-direction:column;gap:18px;align-items:flex-start;margin-bottom:20px}.timeline-number{font:11px/1.5 ui-monospace,SFMono-Regular,monospace;color:#6e84a1}.timeline-tag{display:inline-block;font-size:9px;font-weight:650;letter-spacing:.7px;line-height:1.5;padding:5px 9px;border-radius:4px;background:#edf4ff;color:#225aaa}.timeline-card h3{font-size:19px;line-height:1.4;font-weight:600;letter-spacing:-.35px;margin:0 0 15px}.timeline-card p{font-size:13px;line-height:1.85;color:var(--muted);margin:0 0 24px}.source-link{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:10px;color:var(--blue);margin-top:auto;line-height:1.7}.source-link:hover{text-decoration:underline}.source-link span{font-size:17px;flex-shrink:0}.context-note{font-size:10px;line-height:1.8;color:#68778b;margin:19px 0 0;max-width:800px}
.prepare-section{padding-block:96px 92px}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:52px;margin-top:48px}.step-icon{display:grid;place-items:center;width:44px;height:44px;background:#e8f0fc;border:1px solid #dce7f7;border-radius:12px;margin-bottom:23px}.step-icon svg{width:21px;height:21px;stroke:var(--blue);stroke-width:1.5}.step-tag{display:block;color:#607691;font-size:9px;letter-spacing:1.5px;font-weight:650;margin-bottom:9px}.step h3{font-size:21px;line-height:1.4;letter-spacing:-.45px;font-weight:550;margin:0 0 12px}.step p{font-size:13px;line-height:1.85;color:var(--muted);margin:0}
.contact-section{padding-bottom:70px}.contact-panel{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:55px;border-radius:17px;padding:49px 48px;background:#102d56;color:#fff;position:relative;overflow:hidden}.contact-panel:before{content:"";position:absolute;right:-100px;top:-185px;width:450px;height:450px;border:1px solid #9ac2ff15;border-radius:50%;pointer-events:none}.contact-panel .eyebrow{color:#a4c9ff;font-size:9px;margin-bottom:18px}.contact-panel h2{font-size:clamp(32px,3.5vw,44px);font-weight:500;line-height:1.2;letter-spacing:-1.2px;margin:0 0 19px}.contact-body{font-size:13px;line-height:1.9;color:#c0cee0;margin:0;max-width:440px}.contact-details{min-width:0;padding-left:26px;border-left:1px solid #adc7ed2e;position:relative}.email-label{display:block;color:#aec8ec;font-size:9px;letter-spacing:1.5px;margin-bottom:12px}.email-link{display:flex;align-items:center;gap:13px;font-size:clamp(17px,1.9vw,25px);font-weight:450;letter-spacing:-.55px;line-height:1.6;overflow-wrap:anywhere}.email-link svg{width:23px;height:23px;stroke:#92bfff;stroke-width:1.6;flex-shrink:0}.email-link:hover{text-decoration:underline;text-underline-offset:5px}.contact-details>p{font-size:11px;line-height:1.8;color:#aec3df;max-width:300px;margin:16px 0 0}
.site-footer{padding-block:0 30px}.footer-main{padding-block:25px 27px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-brand{font-size:20px;gap:9px}.footer-brand .brand-mark{width:29px;height:29px}.footer-main p{font-size:11px;color:var(--muted);margin:9px 0 0}.footer-meta{display:flex;flex-direction:column;align-items:flex-end;gap:5px;color:#65758b;font-size:10px}.privacy{font-size:10px;color:#64758b;max-width:850px}.privacy summary{cursor:pointer;width:fit-content}.privacy p{line-height:1.9;margin:13px 0 0}.not-found{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:18px}.not-found .brand{margin-bottom:40px}.not-found h1{font-size:45px}.not-found .eyebrow{margin-bottom:0}
html[lang="zh-Hans"] h1{font-size:clamp(35px,4.05vw,54px);line-height:1.3;letter-spacing:-1.6px}html[lang="zh-Hans"] .hero-intro{font-size:16px;line-height:2}html[lang="zh-Hans"] .hero-copy>.eyebrow{font-size:10px;letter-spacing:1px}html[lang="zh-Hans"] .passport-card h2{font-size:25px;line-height:1.4}html[lang="zh-Hans"] .timeline-card h3{font-size:19px}html[lang="zh-Hans"] .section-heading h2{line-height:1.4;letter-spacing:-1px}html[lang="zh-Hans"] .step h3{font-size:20px}html[lang="zh-Hans"] .contact-panel h2{line-height:1.4}
@media(min-width:1500px){.hero{padding-block:85px 100px}.site-header{height:112px}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.main-nav{gap:20px;margin-left:0}.hero{gap:10px;padding-block:47px 65px}h1{font-size:51px;letter-spacing:-2.4px}.hero-intro{font-size:15px}.visual{padding:26px 17px 27px 20px}.passport-card{padding:22px 23px 14px}.passport-card h2{font-size:24px}.floating-badge{right:-2px;font-size:9px;padding:9px}.timeline-card{padding:24px 20px}.contact-panel{gap:28px;padding:39px 32px}.contact-details{padding-left:20px}.email-link{font-size:21px}.steps{gap:30px}html[lang="zh-Hans"] h1{font-size:42px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{height:82px;gap:12px}.brand{font-size:22px;gap:8px}.brand-mark{width:31px;height:31px}.main-nav{display:none}.header-actions{gap:17px}.header-contact{padding:8px 10px;font-size:11px;gap:8px}.header-contact svg{width:14px;height:14px}.language{font-size:12px}.hero{grid-template-columns:1fr;gap:19px;padding-block:37px 35px}.hero-copy{max-width:560px}.hero .eyebrow{font-size:9px;letter-spacing:1.3px;margin-bottom:20px}h1{font-size:clamp(43px,8vw,58px);line-height:1.14;margin-bottom:22px;letter-spacing:-2.4px}.hero-intro{font-size:15px;line-height:1.9;max-width:520px}.hero-actions{margin-top:27px;gap:21px}.button{padding:13px 16px;gap:17px}.text-link{font-size:12px}.hero-note{font-size:10px;margin-top:15px}.visual{width:min(425px,100%);margin-inline:auto;padding:29px 25px 31px 24px}.visual-orbit{inset:4px 0}.orbit-two{inset:25px -8px}.visual:before{inset:0}.passport-card{padding:23px 25px 13px}.passport-top{font-size:8px}.passport-card h2{font-size:25px}.passport-back{inset:39px 16px 23px 35px}.product-visual>svg{height:135px}.floating-badge{right:0;bottom:67px}.status-bar{padding-block:18px;font-size:10px}.status-bar>span:last-child{font-size:7px;letter-spacing:1.1px}.background-section{padding-block:58px 48px}.section-heading h2{font-size:31px;letter-spacing:-.9px;margin-bottom:18px}.section-heading>.eyebrow{font-size:9px;margin-bottom:17px}.section-heading>p:last-child{font-size:14px;line-height:1.85}.timeline{grid-template-columns:1fr;margin-top:29px}.timeline-card{padding:23px}.timeline-card+.timeline-card{border-left:0;border-top:1px solid var(--line)}.timeline-meta{flex-direction:row;align-items:center;gap:15px;margin-bottom:15px}.timeline-card h3{font-size:20px;margin-bottom:11px}.timeline-card p{font-size:13px;margin-bottom:17px}.source-link{font-size:11px}.context-note{font-size:10px;margin-top:15px}.prepare-section{padding-block:58px 49px}.steps{grid-template-columns:1fr;gap:28px;margin-top:31px}.step{padding:0 0 27px;border-bottom:1px solid var(--line)}.step:last-child{padding-bottom:0;border-bottom:0}.step-icon{width:39px;height:39px;margin-bottom:16px}.step-tag{font-size:8px;margin-bottom:7px}.step h3{font-size:21px;margin-bottom:9px}.step p{max-width:540px;font-size:14px}.contact-section{padding-bottom:43px}.contact-panel{grid-template-columns:1fr;padding:30px 25px;gap:28px;border-radius:13px}.contact-panel h2{font-size:35px;margin-bottom:17px}.contact-body{font-size:13px}.contact-details{border-left:0;border-top:1px solid #adc7ed2e;padding:23px 0 0}.email-link{font-size:24px;letter-spacing:-.6px}.contact-details>p{max-width:380px}.footer-main{align-items:flex-start;flex-direction:column;padding-block:24px;gap:20px}.footer-meta{align-items:flex-start;gap:3px;font-size:9px}.footer-main p{font-size:10px}.footer-brand{font-size:20px}.privacy{font-size:10px}html[lang="zh-Hans"] h1{font-size:clamp(32px,7.2vw,43px);line-height:1.35;letter-spacing:-1px}html[lang="zh-Hans"] .hero-copy>.eyebrow{font-size:9px;letter-spacing:.7px}html[lang="zh-Hans"] .hero-intro{font-size:15px}html[lang="zh-Hans"] .section-heading h2{font-size:29px}}
@media(max-width:359px){.wrap{width:calc(100% - 32px)}.header-actions{gap:11px}.header-contact{padding:7px 8px}.brand{font-size:20px}.hero-actions{gap:17px}.button{font-size:12px}.status-bar>span:last-child{display:none}.passport-card{padding-inline:18px}.email-link{font-size:21px}html[lang="zh-Hans"] h1{font-size:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.hero{overflow:clip}
.floating-badge{right:18px}.text-link>svg,.source-link>svg,.badge-symbol>svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.6;flex-shrink:0}.text-link>svg{transform:rotate(45deg)}.source-link>svg,.badge-symbol>svg{transform:rotate(-45deg)}
@media print{.site-header,.visual,.hero-actions,.hero-note,.status-bar,.privacy{display:none}.wrap{width:100%}.hero{display:block;padding:20px 0}.background-section,.prepare-section{padding:25px 0}.contact-panel{color:#000;background:#fff;border:1px solid #aaa}.contact-body,.contact-details>p,.contact-panel .eyebrow,.email-label{color:#333}.timeline-card,.step{break-inside:avoid}body{background:#fff}.contact-section{padding-bottom:20px}}