:root{--ink:#123c50;--muted:#526875;--blue:#116b9a;--line:#d4e3e9;--pale:#f1f7fa;--white:#fff;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;background:var(--white);font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #2178a8;outline-offset:5px}img{display:block;max-width:100%;object-fit:cover}figure,p,h1,h2,h3{margin:0}.container{width:min(1240px,calc(100% - 96px));margin:auto}.skip-link{position:fixed;z-index:50;left:20px;top:-80px;padding:12px 18px;background:var(--ink);color:#fff}.skip-link:focus{top:12px}
.header{position:sticky;top:0;z-index:20;background:#ffffffed;border-bottom:1px solid #e3ecf0;backdrop-filter:blur(16px)}.header-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:inline-flex;align-items:center;gap:11px;min-height:52px;flex-shrink:0}.brand img{object-fit:contain}.brand strong{font-size:24px;letter-spacing:.08em;line-height:1.4;display:block}.brand small{display:block;font-size:10px;letter-spacing:.18em;color:var(--muted);line-height:1.7}nav{display:flex;align-items:center;gap:36px}nav a{min-height:44px;display:inline-flex;align-items:center;font-size:14px;white-space:nowrap}nav a:hover{color:var(--blue)}nav .nav-contact{gap:24px;border-left:1px solid var(--line);padding-left:28px;color:var(--blue);font-weight:600}.menu-toggle{display:none;min-height:44px;width:44px;background:none;border:0;padding:12px;cursor:pointer}.menu-toggle span{height:2px;width:22px;background:var(--ink);display:block;margin:6px 0}
.hero{position:relative;background:linear-gradient(130deg,#fff 25%,#f1f7fa);overflow:hidden}.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1.1fr;min-height:620px;align-items:center;gap:40px;padding-top:44px;padding-bottom:38px}.hero-copy{position:relative;z-index:2;padding:30px 0}.eyebrow{display:flex;align-items:center;gap:12px;color:var(--blue);font-size:14px;margin-bottom:32px}.eyebrow>span{height:6px;width:6px;background:var(--blue);border-radius:50%}h1{font-size:clamp(36px,3.8vw,57px);line-height:1.4;letter-spacing:-.055em;font-weight:650;white-space:nowrap}.hero-description{color:var(--muted);font-size:17px;line-height:2.1;margin-top:26px}.hero-actions{display:flex;align-items:center;gap:25px;margin-top:36px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:52px;padding:14px 23px;border-radius:5px;background:var(--blue);color:#fff;font-size:14px;font-weight:600;transition:background .2s,transform .2s}.button:hover{background:#10547a;transform:translateY(-2px)}.plain-link{display:inline-flex;min-height:44px;align-items:center;justify-content:space-between;gap:15px;font-size:14px;font-weight:600;border-bottom:1px solid #a9c5d2;color:var(--blue);transition:color .2s}.plain-link:hover{color:#0c425f;border-color:currentColor}.hero-company{margin-top:42px;color:#617983;font-size:12px;letter-spacing:.06em}.hero-visual{position:relative;align-self:stretch;min-height:510px;border-radius:90px 8px 8px 8px;overflow:hidden;background:#dce6eb}.hero-visual>img{height:100%;width:100%;position:absolute;inset:0;object-position:62% center}.hero-visual:after{content:"";position:absolute;inset:55% 0 0;background:linear-gradient(transparent,#193c4bca)}.hero-visual figcaption{position:absolute;bottom:26px;left:28px;right:28px;z-index:1;color:white;font-size:15px;line-height:1.7}.hero-visual small{display:block;font-size:11px;color:#e2eaf1;margin-top:7px}.hero-bottom{display:flex;align-items:center;justify-content:space-between;padding:18px 0 26px;border-bottom:1px solid var(--line);color:#5d7783;font-size:12px}.hero-bottom a{min-height:44px;display:flex;gap:24px;align-items:center}
.section{padding:100px 0}h2{font-size:clamp(29px,2.8vw,40px);line-height:1.5;letter-spacing:-.035em;font-weight:650}.section-label{color:var(--blue);font-size:13px;margin-bottom:22px;font-weight:600}.about{background:linear-gradient(var(--pale),#fff)}.about-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:90px}.about-copy{padding-top:4px}.about-copy p{color:var(--muted);font-size:15px;line-height:2.1}.about-copy .lead{font-size:19px;line-height:1.95;color:var(--ink);margin-bottom:20px}.about-principles{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;padding-top:23px;border-top:1px solid var(--line);font-size:13px;color:var(--blue)}.about-principles span+span:before{content:"/";margin-right:20px;color:#93aeba}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:44px}.section-heading>p{max-width:330px;font-size:14px;color:var(--muted)}.business{padding-top:55px}.business-layout{display:grid;grid-template-columns:1fr 1.25fr;gap:64px}.business-image{position:relative;min-height:550px;border-radius:7px;overflow:hidden}.business-image>img{position:absolute;height:100%;width:100%;object-position:center}.business-image:after{content:"";position:absolute;inset:65% 0 0;background:linear-gradient(transparent,#163e52b8)}.business-image figcaption{position:absolute;z-index:1;bottom:25px;left:26px;color:#fff;font-size:19px}.business-list{display:flex;flex-direction:column}.business-list article{display:grid;grid-template-columns:42px 1fr;gap:22px;padding:28px 0;border-top:1px solid var(--line);flex:1}.business-list article:first-child{padding-top:20px}.business-list article:last-child{border-bottom:1px solid var(--line)}.service-symbol{color:var(--blue);padding-top:4px}.service-symbol svg{height:29px;width:29px;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.business-list h3{font-size:22px;font-weight:600;margin-bottom:12px}.business-list p{font-size:14px;color:var(--muted);line-height:1.9;max-width:480px}.business-list .plain-link{margin-top:14px;font-size:13px}
.platforms{background:linear-gradient(#f4f8fb,#edf5f9)}.platform-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px}.platform-list article{border-top:2px solid #84b3c9;padding:27px 0 0;display:flex;flex-direction:column;align-items:flex-start;min-width:0}.platform-kind{font-size:12px;color:var(--blue)}.platform-list h3{font-size:24px;line-height:1.4;margin:22px 0 16px;font-weight:600}.platform-list p{font-size:14px;color:var(--muted);margin-bottom:25px;line-height:1.9}.platform-list .plain-link{margin-top:auto;overflow-wrap:anywhere;max-width:100%}.contact-section{padding:100px 0;background:linear-gradient(#edf5f9,#e6f1f7)}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px}.contact-intro{font-size:14px;color:var(--muted);margin:22px 0 28px;max-width:370px}.contact-details{font-style:normal;display:flex;flex-direction:column;justify-content:center}.contact-details>div{padding:22px 0;border-bottom:1px solid #c1d9e5;display:grid;grid-template-columns:86px 1fr;gap:25px}.contact-details>div>span{font-size:12px;color:var(--muted);padding-top:3px}.contact-details p,.contact-details a{font-size:16px;line-height:1.9;overflow-wrap:anywhere}.contact-details a{color:#125d83}.contact-details a:hover{text-decoration:underline}.phone-links{display:flex;flex-wrap:wrap;gap:5px 25px}.footer{background:#e6f1f7;padding:25px 0}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:20px 0 32px;border-bottom:1px solid #c4dce8}.footer-top .brand strong{font-size:21px}.footer-top .brand small{letter-spacing:.04em;font-size:10px}.footer-top>p{font-size:13px;color:var(--muted);margin-left:auto}.footer-top>a:last-child{font-size:12px;min-height:44px;display:flex;align-items:center;margin-left:24px}.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 25px;justify-content:space-between;padding-top:22px;color:var(--muted);font-size:12px}.footer-bottom a{min-height:30px;display:flex;align-items:center}.document{max-width:850px;padding:70px 0 95px;min-height:65vh}.document h1{font-size:38px;white-space:normal}.document h2{font-size:22px;margin:30px 0 12px}.document p{color:var(--muted);margin:16px 0;line-height:2}.document .back{font-size:14px;color:var(--blue);display:inline-flex;min-height:44px;align-items:center;margin-bottom:25px}.document a{text-decoration:underline;text-underline-offset:4px}.not-found .button{text-decoration:none;color:#fff}
@media(min-width:1600px){.hero-grid{min-height:690px}.hero-visual{min-height:580px}}
@media(max-width:1050px){.container{width:calc(100% - 64px)}.hero-grid{gap:20px;grid-template-columns:1.04fr 1fr;min-height:560px}.hero-visual{min-height:450px}.hero-actions{gap:18px}.button{padding:13px 18px;gap:18px}.hero-description{font-size:15px}.about-grid{gap:50px}.business-layout{gap:38px}.contact-layout{gap:55px}.platform-list{gap:28px}nav{gap:25px}nav .nav-contact{padding-left:22px}}
@media(max-width:760px){html{scroll-padding-top:90px}.container{width:calc(100% - 40px)}.header-inner{min-height:76px;gap:15px}.brand img{width:44px;height:44px}.brand strong{font-size:22px}.menu-toggle{display:block}nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:15px 20px;box-shadow:0 15px 24px #123c500a}nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}nav a{padding:12px 6px;min-height:50px}nav .nav-contact{border-left:0;padding-left:6px}.hero-grid{grid-template-columns:1fr;gap:15px;padding-top:20px;padding-bottom:18px}.hero-copy{padding:15px 0 10px}.eyebrow{margin-bottom:22px;font-size:12px}h1{font-size:clamp(33px,7.3vw,52px);line-height:1.45;white-space:normal}.hero-description{font-size:15px;margin-top:20px}.hero-actions{margin-top:25px;gap:24px}.hero-company{margin-top:24px;font-size:11px}.hero-visual{min-height:330px;border-radius:48px 7px 7px 7px}.hero-visual>img{object-position:center 35%}.hero-visual figcaption{left:22px;bottom:20px;font-size:14px}.hero-bottom{padding-bottom:18px;font-size:11px}.section{padding:60px 0}.about-grid,.business-layout,.contact-layout{grid-template-columns:1fr;gap:30px}.about-copy .lead{font-size:17px}.section-label{margin-bottom:17px}.about-copy p{font-size:14px}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:18px}.business{padding-top:30px}.business-image{min-height:280px;max-height:350px;aspect-ratio:1.45}.business-image>img{object-position:center 40%}.business-layout{gap:25px}.business-list article{gap:16px;padding:25px 0;grid-template-columns:32px 1fr}.business-list h3{font-size:21px}.platform-list{grid-template-columns:1fr;gap:30px}.platform-list article{padding-top:22px}.platform-list h3{margin:14px 0 10px;font-size:23px}.platform-list p{margin-bottom:12px}.platform-list .plain-link{font-size:14px}.contact-section{padding:60px 0}.contact-layout{gap:25px}.contact-details>div{padding:18px 0;gap:15px;grid-template-columns:72px 1fr}.contact-details p,.contact-details a{font-size:15px}.footer-top{flex-wrap:wrap;gap:15px;padding-bottom:22px}.footer-top>p{width:100%;order:3;margin-left:0;font-size:12px}.footer-top>a:last-child{margin-left:auto}.footer-bottom{font-size:11px;gap:8px}.document{padding:40px 0 60px}.document h1{font-size:30px}}
@media(max-width:360px){.container{width:calc(100% - 32px)}h1{font-size:30px}.hero-actions{gap:14px}.hero-actions .plain-link{font-size:12px;gap:6px}.button{font-size:13px;padding:13px 15px;gap:14px}.hero-visual{min-height:270px}.hero-description{font-size:14px}.about-principles{gap:10px;font-size:12px}.about-principles span+span:before{margin-right:10px}.contact-details>div{grid-template-columns:1fr;gap:6px}}
h2{text-wrap:balance}
@media(max-width:760px){.business-image{width:100%;min-width:0;height:300px;min-height:0;aspect-ratio:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.button:hover{transform:none}}