:root{--black:#050505;--navy:#110b36;--blue:#323ba0;--ice:#f2f8fd;--ink:#111;--container:1180px;--header:72px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65;background:#fff}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(var(--container),calc(100% - 64px));margin:auto}.site-header{position:fixed;z-index:50;inset:0 0 auto;height:var(--header);color:#fff;background:var(--black);transition:transform .28s}.site-header.is-hidden{transform:translateY(-105%)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand img{width:42px;height:42px}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text strong{font-size:12px}.brand-text span{margin-top:5px;font:700 11px Georgia,serif;letter-spacing:.28em}.primary-nav{display:flex;gap:58px}.primary-nav a{font-size:14px;font-weight:700}.primary-nav a:hover,.primary-nav a[aria-current=page]{color:#71a4ff}.mobile-nav-toggle{display:none;color:#fff;background:none;border:0;font-size:24px}.hero-panel{min-height:640px;padding-top:var(--header);display:grid;align-items:center;color:#fff;background:center/cover no-repeat}.hero-copy{max-width:650px}.hero-copy h1{margin:0;font-size:clamp(32px,4vw,54px)}.hero-copy .en{margin:2px 0 24px;font-size:clamp(18px,2vw,28px);color:#d7deeb}.outline-btn{display:inline-block;padding:10px 28px;border:1px solid rgba(255,255,255,.65);border-radius:5px}.home-case{background-image:linear-gradient(90deg,rgba(0,25,45,.28),rgba(0,0,0,.05)),url('../images/background.png')}.home-case .hero-copy h2{font-size:42px;margin:0}.city-about{min-height:480px;display:grid;place-items:center;background:center/cover url('../images/source-55/25421782184528_.pic_hd(1).jpg');color:#fff}.city-about h2{font-size:52px}.company-stats{display:grid;grid-template-columns:1.1fr 1.8fr;min-height:300px}.company-dark{padding:42px max(40px,calc((100vw - var(--container))/2));padding-right:40px;background:#18314a;color:#fff}.company-dark p{margin:0 0 28px;font-size:15px}.company-dark h2{margin:0}.stats-side{display:grid;grid-template-rows:1fr .75fr}.stats{display:grid;grid-template-columns:repeat(3,1fr);align-items:center;padding:24px 6%;gap:25px}.stat strong{font-size:42px}.stat span{display:block;color:#6d7480}.stat-nav{display:grid;grid-template-columns:1fr 1fr;background:#ddd}.stat-nav a{padding:28px 10%;border-right:1px solid #999}.talent-band{min-height:520px;padding:54px 0;color:#fff;background:center/cover url('../images/source-55/25441782184533_.pic_hd(1).jpg')}.talent-band h2{margin:0 0 68px}.talent-band h3{font-size:34px;line-height:1.5;margin:0 0 70px}.business{padding:60px 0;background:var(--ice)}.section-head{text-align:center;margin-bottom:42px}.section-head h2{color:var(--blue);font-size:32px;margin:0}.business-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.business-card{min-height:240px;padding:28px;border:1px solid #ccd0d7;background:#fff;box-shadow:0 2px 4px #bbb;transition:.2s}.business-card:hover,.business-card:focus{color:#fff;background:linear-gradient(135deg,#9984bd,#454d99);transform:translateY(-3px)}.business-card i{font-size:52px;color:#353faa}.business-card:hover i,.business-card:focus i{color:#fff}.page-hero{min-height:390px;padding-top:var(--header);display:flex;align-items:center;color:#fff;background:center/cover no-repeat}.page-hero h1{font-size:36px;margin:0 0 10px}.page-hero p{max-width:600px;font-size:20px;font-weight:700}.about-hero{background-image:url('../images/source-55/image5.png')}.story{padding:28px 0 48px;background:var(--ice)}.story h2,.join h2{font-size:36px;line-height:1.1}.story h2 span,.join h2 span{display:block;font-size:30px}.story p{font-size:17px}.city-divider{height:380px;background:center/cover url('../images/source-55/image6.png')}.vision{padding:62px 0;background:var(--ice)}.vision-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.vision img{width:100%;height:360px;object-fit:cover}.advantages{min-height:560px;padding:54px 0;background:center/cover url('../images/source-55/image8.png')}.adv-list{max-width:760px}.adv{margin:24px 0}.adv .en{color:#a9b59b;font-size:20px;font-weight:700}.adv h3{margin:0}.cases-hero{background-image:url('../images/source-55/image9.png')}.cases{padding:64px 0;background:var(--ice)}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:44px 54px}.case-card{position:relative;min-height:440px;border:0;padding:0;border-radius:14px;background:#fff;box-shadow:0 2px 5px #aaa;overflow:hidden;cursor:pointer;text-align:left}.case-front,.case-back{position:absolute;inset:0;transition:opacity .2s,transform .25s}.case-front img{width:100%;height:270px;object-fit:cover}.case-front div{padding:22px;text-align:center}.case-front h3{font-size:17px}.case-front p{font-size:20px;font-weight:700}.case-back{padding:28px 24px;background:#e7f5ff url('../images/72.jpg') center/cover no-repeat;opacity:0;transform:scale(.98);overflow:auto}.case-back h3{font-size:20px;line-height:1.4;margin:0 0 38px}.case-back p{margin:0 0 24px}.case-card.is-revealed .case-front,.case-card:hover .case-front{opacity:0}.case-card.is-revealed .case-back,.case-card:hover .case-back{opacity:1;transform:none}.recruitment-hero{background-image:linear-gradient(90deg,rgba(0,0,0,.42),rgba(0,0,0,.08)),url('../images/source-55/25441782184533_.pic_hd(1).jpg')}.recruitment-hero .en{font-size:32px}.join{padding:30px 0 54px;background:var(--ice)}.principle{margin:28px 0}.principle h3{margin:0}.site-footer{padding:28px 0 20px;color:#fff;background:var(--navy)}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:80px}.footer-brand{font:700 20px Georgia,serif;letter-spacing:.28em}.footer-company{margin:0}.footer-address{margin:18px 0}.footer-meta{border-top:1px solid #665f82;padding-top:12px;font-size:13px}.footer-nav{display:flex;flex-direction:column}.footer-nav h2{font-size:18px}.footer-nav a{padding:2px 0}a:focus-visible,button:focus-visible{outline:3px solid #70a7ff;outline-offset:3px}
@media(max-width:850px){.company-stats,.vision-grid{grid-template-columns:1fr}.business-grid,.case-grid{grid-template-columns:repeat(2,1fr)}.company-dark{padding-inline:32px}.primary-nav{gap:25px}.footer-grid{gap:30px}}
@media(max-width:650px){:root{--header:66px}.container{width:calc(100% - 36px)}.brand-text strong{font-size:10px}.mobile-nav-toggle{display:block}.primary-nav{display:none;position:absolute;top:100%;left:0;right:0;padding:15px 24px;background:#050505;flex-direction:column}.primary-nav.is-open{display:flex}.hero-panel{min-height:560px}.company-stats,.business-grid,.case-grid,.footer-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.city-about{min-height:330px}.case-card{min-height:430px}.page-hero{min-height:350px}.home-case .hero-copy h2{font-size:30px}.talent-band h3{font-size:26px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}
.home-case{background-image:linear-gradient(90deg,rgba(0,25,45,.18),rgba(0,0,0,.02)),url('../images/source-77/25371782184304_.pic_hd(1).jpg')}
.case-front>span{display:block;padding:22px;text-align:center}.case-front>span h3,.case-front>span p{text-align:center}
.vision-points p{display:grid;grid-template-columns:26px 1fr;gap:14px;align-items:start;margin:28px 0;font-size:19px;line-height:1.55}.vision-points i{font-size:24px;margin-top:3px}.vision-points p:nth-child(1) i{color:#ff6c86}.vision-points p:nth-child(2) i{color:#79b1ff}.vision-points p:nth-child(3) i{color:#ffb51b}.footer-address{display:flex;align-items:flex-start;gap:10px}.footer-address i{color:#4c9cff;font-size:20px;margin-top:2px}
.company-stats{grid-template-columns:40% 60%;min-height:250px}.company-dark{display:flex;flex-direction:column;justify-content:space-between;padding:30px clamp(28px,5.8vw,82px) 24px;background:#1b3852}.company-dark .company-summary{margin:0;max-width:560px;color:#d7e0e8;font-size:13px;line-height:1.5}.company-entry{display:flex;align-items:center;justify-content:space-between;margin-top:24px}.company-entry span{display:flex;flex-direction:column}.company-entry strong{font-size:23px}.company-entry small{font-size:14px}.company-entry-arrow{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;color:#1b3852;background:#fff;font-size:18px}.stats-side{grid-template-rows:58% 42%}.stats{padding:20px 8%;gap:22px;background:#fff}.stat{font-size:13px;color:#737982}.stat span{margin-bottom:2px}.stat strong{color:#13243a;font-size:38px;line-height:1}.stat-nav{background:#ddd}.stat-nav a{display:flex;align-items:center;gap:18px;padding:0 14%;color:#777;border-right:1px solid #999}.stat-nav a i{color:#18314a;font-size:14px}
@media(max-width:850px){.company-stats{grid-template-columns:1fr}.company-dark{min-height:280px}.stats-side{min-height:250px}}