:root{color:#0f172a;--brand-red:#b83242;--brand-red-deep:#96303d;--brand-blue:#123a6f;--brand-blue-deep:#071426;--ink:#071426;--muted:#5d6878;--line:#0f172a1a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#f6f9fc;font-family:Inter,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 12% 0,#123a6f24,#0000 30rem),radial-gradient(circle at 90% 8%,#b8324214,#0000 28rem),linear-gradient(#f4f8fd 0%,#fff 48%,#f7fafd 100%);min-width:320px;margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.section-shell{width:min(1180px,100% - 40px);margin:0 auto}.site-header{z-index:80;width:min(1180px,100% - 40px);min-height:70px;color:var(--brand-blue-deep);-webkit-backdrop-filter:blur(24px)saturate(1.1);backdrop-filter:blur(24px)saturate(1.1);background:#f8fbffd1;border:1px solid #123a6f1a;border-top:0;border-radius:0 0 14px 14px;justify-content:flex-start;align-items:center;gap:30px;margin:0 auto;padding:10px 18px;display:flex;position:sticky;top:0;box-shadow:0 18px 60px #0f172a14}.brand{white-space:nowrap;align-items:center;gap:10px;margin-right:auto;font-size:15px;font-weight:900;display:inline-flex}.brand-mark{background:linear-gradient(#fffffff5,#f6f9fce0);border:1px solid #123a6f1f;border-radius:10px;place-items:center;width:40px;height:40px;display:grid;overflow:hidden;box-shadow:0 12px 32px #0f172a14}.brand-mark img{object-fit:contain;width:30px;height:30px;display:block}nav{color:#0714269e;box-shadow:none;white-space:nowrap;background:0 0;border:0;border-radius:0;align-items:center;gap:30px;padding:0;font-size:14px;font-weight:800;display:flex}nav a{border-radius:0;padding:8px 0;transition:color .2s;position:relative}nav a:after{background:linear-gradient(90deg, var(--brand-red), var(--brand-blue));opacity:0;content:"";border-radius:999px;height:2px;transition:opacity .2s,transform .2s;position:absolute;bottom:1px;left:0;right:0;transform:scaleX(.45)}nav a:hover{color:var(--brand-red)}nav a:hover:after{opacity:1;transform:scaleX(1)}.nav-cta,.primary-btn,.secondary-btn,.contact-form button{border-radius:8px;justify-content:center;align-items:center;min-height:42px;font-size:14px;font-weight:800;transition:transform .22s,box-shadow .22s,border-color .22s,background .22s;display:inline-flex}.nav-cta,.primary-btn,.contact-form button{color:#fff;background:linear-gradient(135deg, var(--brand-red), var(--brand-blue));box-shadow:0 16px 34px #123a6f29}.nav-cta{white-space:nowrap;border-radius:8px;min-width:108px;min-height:40px;padding:0 20px;font-size:14px}.primary-btn,.secondary-btn{white-space:nowrap;min-width:148px;padding:0 24px}.secondary-btn{color:var(--brand-red);background:#ffffffb8;border:1px solid #1258d82e}.nav-cta:hover,.primary-btn:hover,.secondary-btn:hover,.contact-form button:hover{transform:translateY(-2px)}.hero{color:#071426;background:radial-gradient(circle at 72% 26%,#123a6f29,#0000 28rem),radial-gradient(circle at 12% 18%,#123a6f1f,#0000 30rem),radial-gradient(circle at 78% 72%,#b8324212,#0000 24rem),linear-gradient(#f4f8fd 0%,#fff 76%,#f6f9fc 100%);min-height:auto;padding:0 0 40px;position:relative;overflow:hidden}.hero:before{content:"";background-color:#0000;background-image:linear-gradient(#1258d80e 1px,#0000 1px),linear-gradient(90deg,#1258d80e 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:42px 42px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000000d1,#0000 72%);mask-image:linear-gradient(#000000d1,#0000 72%)}.hero-inner{grid-template-columns:minmax(0,.56fr) minmax(0,.44fr);align-items:center;gap:0;min-height:640px;display:grid;position:relative}.hero-copy{z-index:2;padding-top:42px;position:relative}.brand-slogan{border-bottom:3px solid var(--brand-red);width:fit-content;max-width:100%;color:var(--brand-blue);letter-spacing:0;white-space:nowrap;margin:0 0 28px;padding:0 0 14px;font-size:clamp(48px,5.7vw,86px);font-weight:900;line-height:1.08}.slogan-red,.slogan-cyan{color:var(--brand-red)}.hero-copy h1{color:#132033;letter-spacing:0;white-space:nowrap;max-width:none;margin:0;font-size:clamp(30px,3.2vw,48px);font-weight:800;line-height:1.12}.hero-copy h1:after{background:linear-gradient(90deg, var(--brand-red), var(--brand-blue));content:"";border-radius:999px;width:72px;height:3px;margin-top:20px;display:block}.hero-lead{color:#526174;max-width:660px;margin:28px 0 0;font-size:18px;line-height:1.85}.hero-system{isolation:isolate;place-items:center;min-height:auto;margin-right:0;display:grid;position:absolute;inset:86px 0 72px 42%;overflow:hidden}.hero-system:before{z-index:1;content:"";pointer-events:none;background:linear-gradient(90deg,#f6f9fc 0%,#f6f9fce6 7%,#f6f9fc47 24%,#f6f9fc00 48%),linear-gradient(#f6f9fc 0%,#f6f9fc00 18% 78%,#f6f9fc 100%),radial-gradient(circle at 60% 42%,#123a6f1f,#0000 42%),radial-gradient(circle at 76% 70%,#b832421a,#0000 35%);border-radius:0;position:absolute;inset:0}.hero-engineering-art{object-fit:cover;object-position:center right;filter:saturate(1.04)contrast(1.03);border-radius:0;width:100%;max-width:none;height:100%;display:block;transform:none;-webkit-mask-image:linear-gradient(90deg,#0000 0%,#00000057 12%,#000 30% 100%);mask-image:linear-gradient(90deg,#0000 0%,#00000057 12%,#000 30% 100%)}.about-section,.contact-section{background:#f6f9fc}.about-section{padding:118px 0 104px}.section-intro{max-width:740px}.section-intro span{color:var(--brand-red);letter-spacing:0;text-transform:uppercase;margin-bottom:14px;font-size:12px;font-weight:900;display:block}.section-intro h2{color:#071426;letter-spacing:0;margin:0;font-size:clamp(34px,4.4vw,58px);font-weight:900;line-height:1.08}.section-intro p{color:#5d6878;margin:22px 0 0;font-size:17px;line-height:1.84}.about-layout{grid-template-columns:.95fr 1.05fr;align-items:start;gap:70px;display:grid}.about-stack{gap:14px;display:grid}.about-stack article,.contact-form{background:#ffffffd1;border:1px solid #0f172a14;border-radius:8px;box-shadow:0 26px 60px #0f172a12}.about-stack article{padding:28px}.about-stack h3{color:#071426;margin:0;font-size:22px}.about-stack p{color:#5d6878;margin:12px 0 0;line-height:1.75}.products-section{color:#071426;background:radial-gradient(circle at 18% 24%,#123a6f29,#0000 28rem),radial-gradient(circle at 78% 18%,#b832421f,#0000 26rem),linear-gradient(135deg,#eef5fb 0%,#f8fbff 44%,#edf3f9 100%);padding:78px 0 110px;position:relative;overflow:hidden}.products-section:before{content:"";background-color:#0000;background-image:linear-gradient(#123a6f13 1px,#0000 1px),linear-gradient(90deg,#123a6f13 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:42px 42px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000c,#0000 82%);mask-image:linear-gradient(#000c,#0000 82%)}.products-section:after{content:"";background:radial-gradient(circle,#123a6f24,#0000 64%);border-radius:50%;width:58%;height:62%;position:absolute;bottom:-28%;right:-18%}.products-section .section-shell{z-index:1;position:relative}.section-intro-dark span{color:var(--brand-red)}.section-intro-dark h2{color:#071426}.section-intro-dark p{color:#5d6878}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:52px;display:grid}.product-card{background:linear-gradient(#fffffff0,#f8fbffdb),radial-gradient(circle at 20% 0,#b8324214,#0000 34%),radial-gradient(circle at 88% 10%,#123a6f1a,#0000 38%);border:1px solid #123a6f1f;border-radius:8px;min-height:360px;padding:30px;transition:transform .24s,border-color .24s,background .24s;position:relative;overflow:hidden;box-shadow:0 26px 70px #0f172a17}.product-card:first-child{background:linear-gradient(#fffffff0,#fff7f8e6),radial-gradient(circle at 18% 0,#b8324229,#0000 38%),radial-gradient(circle at 88% 92%,#b832421a,#0000 42%)}.product-card:nth-child(2){background:linear-gradient(#fffffff0,#f4f8ffeb),radial-gradient(circle at 18% 0,#123a6f26,#0000 38%),radial-gradient(circle at 88% 92%,#2e65ca1a,#0000 42%)}.product-card:nth-child(3){background:linear-gradient(#fffffff0,#f5f9fbeb),radial-gradient(circle at 18% 0,#5e6f8424,#0000 38%),radial-gradient(circle at 88% 92%,#123a6f1a,#0000 42%)}.product-card:before{background:linear-gradient(90deg, var(--brand-red), var(--brand-blue));filter:none;content:"";border-radius:0;height:4px;position:absolute;inset:0 0 auto}.product-card:after{content:"";background:radial-gradient(circle,#123a6f24,#0000 66%);border-radius:50%;width:220px;height:220px;position:absolute;bottom:-90px;right:-80px}.product-card:hover{border-color:#b8324247;transform:translateY(-6px);box-shadow:0 34px 82px #0f172a1f}.product-card-head{justify-content:space-between;align-items:center;margin-bottom:54px;display:flex}.product-card-head span{width:64px;height:64px;color:var(--brand-red);white-space:nowrap;background:linear-gradient(135deg,#b8324214,#123a6f0d);border:1px solid #b832422e;border-radius:8px;place-items:center;font-weight:900;display:grid}.product-card-head i{color:#123a6f29;font-size:44px;font-style:normal;font-weight:900}.product-card h3{color:#071426;margin:0;font-size:25px;line-height:1.32;position:relative}.product-card p{color:#5d6878;margin:16px 0 0;line-height:1.78;position:relative}.product-signal{grid-template-columns:.55fr .28fr 1fr;gap:8px;display:grid;position:absolute;bottom:30px;left:30px;right:30px}.product-signal span{background:linear-gradient(90deg, var(--brand-red), var(--brand-blue), transparent);border-radius:999px;height:2px}.contact-section{padding:96px 0 108px}.cases-section{background:radial-gradient(circle at 12% 20%,#123a6f1a,#0000 28rem),radial-gradient(circle at 88% 68%,#b832420f,#0000 24rem),#fff;padding:108px 0 92px}.case-list{gap:24px;margin-top:34px;display:grid}.case-card{background:#ffffffdb;border:1px solid #0f172a14;border-radius:8px;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:28px;min-height:430px;padding:16px;display:grid;box-shadow:0 26px 70px #0f172a14}.case-card:nth-child(2n) .case-image{order:2}.case-card:nth-child(2n){grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)}.case-image{background:#eef4fb;border-radius:8px;place-items:center;display:grid;overflow:hidden}.case-image img{aspect-ratio:16/9;object-fit:cover;object-position:center;width:100%;display:block}.case-content{flex-direction:column;justify-content:center;min-height:320px;padding:18px 20px;display:flex}.case-content>span{color:var(--brand-red);margin-bottom:12px;font-size:13px;font-weight:900;display:block}.case-content h3{color:#071426;text-wrap:balance;margin:0;font-size:clamp(24px,2vw,30px);line-height:1.18}.case-content p{color:#5d6878;margin:16px 0 0;font-size:16px;line-height:1.72}.case-tags{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.case-tags i{min-height:34px;color:var(--brand-red);white-space:nowrap;background:#1265d80f;border:1px solid #1265d824;border-radius:8px;align-items:center;padding:0 12px;font-size:13px;font-style:normal;font-weight:800;display:inline-flex}.case-switcher{gap:10px;margin-top:22px;display:flex}.case-switcher button{color:#637083;cursor:pointer;background:#fff;border:1px solid #1258d829;border-radius:8px;justify-content:center;align-items:center;width:42px;height:34px;font-size:12px;font-weight:900;transition:color .2s,border-color .2s,background .2s,transform .2s;display:inline-flex}.case-switcher button:hover,.case-switcher button.active{color:#fff;background:linear-gradient(135deg, var(--brand-red), var(--brand-blue));border-color:#0000;transform:translateY(-1px)}.contact-layout{grid-template-columns:minmax(0,1fr) 430px;align-items:start;gap:76px;display:grid}.contact-actions{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.contact-actions span{min-height:42px;color:var(--brand-blue);background:#ffffffad;border:1px solid #123a6f1f;border-radius:999px;align-items:center;padding:0 18px;font-size:14px;font-weight:800;display:inline-flex}.contact-form{gap:18px;padding:28px;display:grid}.contact-form label{color:#071426;gap:8px;font-size:14px;font-weight:800;display:grid}.contact-form input,.contact-form textarea{color:#071426;background:#f8fbff;border:1px solid #0f172a1f;border-radius:8px;outline:none;width:100%;padding:13px 14px;font-size:14px;transition:border-color .2s,box-shadow .2s}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--brand-red);box-shadow:0 0 0 4px #b832421f}.contact-form textarea{resize:vertical}.contact-form button{cursor:pointer;border:0;width:100%}.site-footer{color:#dce8f5;background:radial-gradient(circle at 80% 0,#b8324229,#0000 24rem),linear-gradient(#071426 0%,#08111f 100%);padding:72px 0 28px}.login-page{background:radial-gradient(circle at 16% 10%,#b832421f,#0000 28rem),radial-gradient(circle at 88% 12%,#123a6f24,#0000 30rem),linear-gradient(#f4f8fd 0%,#fff 100%);min-height:100vh}.login-shell{align-content:center;gap:30px;width:min(480px,100% - 40px);min-height:100vh;margin:0 auto;display:grid}.login-panel{background:#ffffffdb;border:1px solid #7788a129;border-radius:8px;padding:34px;box-shadow:0 30px 80px #0f172a1f}.login-panel>span{color:var(--brand-red);text-transform:uppercase;font-size:12px;font-weight:900}.login-panel h1{color:#071426;margin:14px 0 0;font-size:34px;line-height:1.1}.login-panel p{color:#637083;margin:14px 0 26px;line-height:1.7}.login-panel form{gap:16px;display:grid}.login-panel label{color:#071426;gap:8px;font-size:14px;font-weight:800;display:grid}.login-panel input{background:#f8fbff;border:1px solid #0f172a1f;border-radius:8px;outline:none;padding:13px 14px}.login-panel input:focus{border-color:var(--brand-red);box-shadow:0 0 0 4px #b832421f}.login-panel button{color:#fff;background:linear-gradient(135deg, var(--brand-red), var(--brand-blue));cursor:pointer;border:0;border-radius:8px;min-height:46px;font-weight:900}.site-footer .brand{color:#fff}.footer-grid{grid-template-columns:minmax(0,1.35fr) minmax(0,.7fr) minmax(0,.66fr) minmax(0,1.02fr);gap:48px;padding-bottom:46px;display:grid}.footer-brand p{color:#fff;margin:24px 0 10px;font-size:28px;font-weight:900;line-height:1.18}.footer-brand .slogan-red,.footer-brand .slogan-cyan{color:var(--brand-red)}.footer-brand>span{color:#dce8f5ad;max-width:430px;line-height:1.8;display:block}.footer-col{align-content:start;gap:12px;display:grid}.footer-col h3{color:#fff;margin:0 0 8px;font-size:15px}.footer-col a,.footer-col p{color:#dce8f5ad;margin:0;font-size:14px;line-height:1.75}.footer-col a{width:fit-content;transition:color .2s}.footer-col a:hover{color:#fff}.footer-bottom{color:#dce8f580;border-top:1px solid #dce8f51f;justify-content:space-between;gap:18px;padding-top:24px;font-size:13px;display:flex}@keyframes rotate{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:.42;transform:scale(.84)}50%{opacity:.95;transform:scale(1)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=980px){.site-header{flex-wrap:wrap;gap:12px 16px;min-height:auto;padding:10px 14px}nav{flex:1;order:3;justify-content:flex-start;gap:22px;width:auto;overflow-x:auto}.hero{background:radial-gradient(circle at 70% 22%,#123a6f1f,#0000 24rem),radial-gradient(circle at 82% 44%,#b8324214,#0000 22rem),linear-gradient(#f4f8fd 0%,#fff 82%,#f6f9fc 100%)}.hero-inner,.about-layout,.contact-layout,.footer-grid{grid-template-columns:1fr}.hero-inner{gap:30px;min-height:720px;padding-top:34px}.hero-system{height:360px;min-height:0;margin-right:0;inset:auto 0 0}.hero-system:before{background:linear-gradient(#f6f9fc 0%,#f6f9fc26 28%,#f6f9fc00 72%,#f6f9fc 100%),linear-gradient(90deg,#f6f9fc 0%,#f6f9fc00 30% 70%,#f6f9fc 100%)}.hero-engineering-art{width:100%;height:100%;-webkit-mask-image:linear-gradient(#0000 0%,#000 22% 100%);mask-image:linear-gradient(#0000 0%,#000 22% 100%)}.product-grid,.case-card,.case-card:nth-child(2n){grid-template-columns:1fr}.case-content h3{white-space:normal;text-wrap:balance}.case-card:nth-child(2n) .case-image{order:0}.footer-grid{gap:30px}}@media (width<=640px){.section-shell,.site-header{width:min(100% - 28px,1180px)}.site-header{border-top:1px solid #123a6f1a;border-radius:12px;margin-top:12px;padding:10px 12px}.brand{white-space:normal;max-width:calc(100% - 120px);font-size:12px}.nav-cta{min-width:92px;min-height:36px;font-size:12px}nav{order:3;gap:18px;width:100%;padding-bottom:2px;font-size:12px}nav a{padding:7px 0}.hero{padding-top:54px}.hero-copy{padding-top:0}.hero-copy h1{white-space:normal;text-wrap:balance;font-size:clamp(26px,6.6vw,36px)}.brand-slogan{font-size:clamp(38px,10vw,54px)}.hero-lead{font-size:16px}.hero-system{height:260px;min-height:0}.hero-engineering-art{width:100%}.about-section,.products-section,.cases-section,.contact-section{padding:68px 0}.section-intro h2{font-size:34px}.footer-bottom{flex-direction:column}.about-stack article,.product-card,.case-card,.contact-form{padding:22px}.case-content{min-height:auto;padding:0}.case-card{min-height:auto}.case-image img{height:auto;min-height:0}}