:root{--navy:#071a2f;--navy2:#0a2540;--blue:#1677ff;--cyan:#5bc0ff;--ink:#172336;--muted:#607089;--line:#dfe7f0;--pale:#f4f8fc;--white:#fff;--shadow:0 22px 60px rgba(7,26,47,.11);--radius:18px}
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.eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 14px;color:var(--blue);font-size:.77rem;letter-spacing:.16em;text-transform:uppercase;font-weight:800}.eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan)}h1,h2,h3{font-weight:720;line-height:1.12;letter-spacing:-.03em;color:var(--navy);margin-top:0}h1{font-size:clamp(2.7rem,6vw,5.5rem)}h2{font-size:clamp(2rem,4vw,3.6rem)}h3{font-size:1.35rem}p{margin-top:0}.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--muted);max-width:700px}.section{padding:100px 0}.section-pale{background:var(--pale)}.section-dark{background:var(--navy);color:#cbd8e7}.section-dark h2,.section-dark h3{color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:44px}.section-head>div{max-width:760px}.section-head p:last-child{margin-bottom:0}.hero{min-height:650px;position:relative;display:flex;align-items:center;color:#fff;background:#06162a center/cover no-repeat;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.96) 0%,rgba(4,18,35,.74) 48%,rgba(4,18,35,.13) 82%),linear-gradient(0deg,rgba(4,18,35,.42),transparent 48%)}.hero:after{content:"";position:absolute;inset:auto 0 0;height:5px;background:linear-gradient(90deg,var(--blue),var(--cyan),transparent 70%)}.hero-content{position:relative;z-index:1;padding:100px 0;width:100%}.hero-copy{max-width:740px}.hero h1{color:#fff;margin-bottom:24px}.hero h1 span{color:var(--cyan)}.hero .lead{color:#d5e1ef;margin-bottom:34px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero-kicker{display:inline-flex;border:1px solid rgba(255,255,255,.24);background:rgba(7,26,47,.34);backdrop-filter:blur(8px);padding:8px 13px;border-radius:4px;margin-bottom:24px;font-size:.74rem;letter-spacing:.15em;text-transform:uppercase}.page-hero{min-height:455px}.page-hero h1{font-size:clamp(2.7rem,5vw,4.8rem);max-width:850px}.page-hero .lead{color:#d9e4ef}.metric-strip{position:relative;margin-top:-48px;z-index:5}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;box-shadow:var(--shadow);border-radius:12px;overflow:hidden}.metric{padding:28px 30px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric strong{display:block;color:var(--navy);font-size:1.06rem}.metric span{display:block;color:var(--muted);font-size:.85rem;margin-top:4px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c7d9eb}.card-image{aspect-ratio:16/9;object-fit:cover;width:100%}.card-body{padding:26px}.card-body p{color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:760}.text-link:hover{gap:13px}.solutions-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}.solution-card{grid-column:span 2;position:relative;min-height:390px;border-radius:var(--radius);overflow:hidden;color:#fff;background:#0a2540}.solution-card:nth-child(4),.solution-card:nth-child(5){grid-column:span 3}.solution-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.5s}.solution-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,18,34,.94),rgba(4,18,34,.08) 70%)}.solution-card:hover img{transform:scale(1.04)}.solution-card-content{position:absolute;z-index:1;bottom:0;padding:30px}.solution-card h3{color:#fff;margin-bottom:9px}.solution-card p{color:#cbd9e8;margin-bottom:16px}.icon-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.icon-feature{padding:30px;border:1px solid var(--line);border-radius:14px;background:#fff}.icon-feature img{width:40px;height:40px;margin-bottom:20px}.icon-feature p{color:var(--muted);margin-bottom:0}.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}.split-image{border-radius:22px;overflow:hidden;box-shadow:var(--shadow);min-height:470px}.split-image img{width:100%;height:100%;min-height:470px;object-fit:cover}.check-list{list-style:none;padding:0;margin:28px 0}.check-list li{padding:13px 0 13px 34px;border-bottom:1px solid var(--line);position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}.process-step{background:#fff;padding:34px;min-height:230px}.process-number{font-size:.76rem;color:var(--blue);letter-spacing:.12em;font-weight:800}.process-step img{width:42px;height:42px;margin:19px 0}.process-step p{color:var(--muted);margin:0}.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;border:1px solid var(--line);padding:30px;border-radius:15px;position:relative}.product-card:before{content:"";display:block;width:44px;height:4px;background:linear-gradient(90deg,var(--blue),var(--cyan));margin-bottom:26px}.product-card .tag{font-size:.73rem;text-transform:uppercase;letter-spacing:.1em;color:var(--blue);font-weight:800}.product-card p{color:var(--muted)}.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:28px 0}.spec{padding:17px 20px;border-bottom:1px solid var(--line)}.spec:nth-child(odd){border-right:1px solid var(--line)}.spec strong{display:block;color:var(--navy);font-size:.88rem}.spec span{color:var(--muted);font-size:.85rem}.notice{background:#eef6ff;border-left:3px solid var(--blue);padding:17px 20px;border-radius:0 8px 8px 0;color:#425774}.cta{padding:80px 0;background:linear-gradient(120deg,#071a2f,#0b315b);color:#fff;position:relative;overflow:hidden}.cta:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(91,192,255,.18);border-radius:50%;right:-120px;top:-190px;box-shadow:0 0 0 80px rgba(91,192,255,.04)}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:40px;position:relative;z-index:1}.cta h2{color:#fff;margin-bottom:10px}.cta p{color:#cbd9e8;margin:0}.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.value{padding:34px;background:#fff;border-top:3px solid var(--blue);box-shadow:0 12px 35px rgba(7,26,47,.07)}.value p{color:var(--muted)}.contact-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px}.contact-panel{background:var(--navy);color:#d4e0ed;padding:42px;border-radius:18px}.contact-panel h2,.contact-panel h3{color:#fff}.contact-item{display:flex;gap:15px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.14)}.contact-item img{width:28px;height:28px}.contact-item span{display:block;font-size:.82rem;color:#8ea6c0}.form-card{padding:42px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);background:#fff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.field{display:flex;flex-direction:column;gap:7px}.field-full{grid-column:1/-1}.field label{font-size:.84rem;color:#40516a;font-weight:700}.field input,.field select,.field textarea{width:100%;border:1px solid #cdd9e5;border-radius:7px;padding:13px 14px;color:var(--ink);background:#fff}.field textarea{min-height:140px;resize:vertical}.form-note{font-size:.8rem;color:var(--muted)}.status{margin-top:16px;padding:12px 14px;border-radius:6px;background:#edf7ff;color:#195b9d;display:none}.site-footer{background:#051426;color:#9fb1c5;padding-top:70px}.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:55px;padding-bottom:55px}.footer-brand img{width:190px;margin-bottom:22px}.footer-grid h3{color:#fff;font-size:.9rem;letter-spacing:.07em;text-transform:uppercase}.footer-grid a,.footer-grid p{display:block;margin:8px 0;font-size:.9rem}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;font-size:.8rem}.lang-zh .en-only{display:none}.zh-only{display:none}.lang-zh .zh-only{display:initial}
@media(max-width:1020px){.primary-nav{position:fixed;left:0;right:0;top:78px;background:#fff;display:none;flex-direction:column;align-items:stretch;padding:22px 30px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.primary-nav.open{display:flex}.primary-nav a{padding:8px 0}.menu-toggle{display:block;margin-left:auto}.header-actions .button{display:none}.header-actions{order:3}.solutions-grid{grid-template-columns:repeat(2,1fr)}.solution-card,.solution-card:nth-child(4),.solution-card:nth-child(5){grid-column:span 1}.card-grid,.products-grid{grid-template-columns:repeat(2,1fr)}.icon-row{grid-template-columns:repeat(2,1fr)}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.split{gap:40px}.footer-grid{grid-template-columns:1.6fr 1fr 1fr}}
@media(max-width:720px){.shell,.header-inner{width:min(100% - 28px,1180px)}.header-inner{height:70px}.brand{width:148px}.primary-nav{top:70px}.section{padding:70px 0}.hero{min-height:680px;background-image:var(--hero-mobile)!important;background-position:center}.hero:before{background:linear-gradient(0deg,rgba(4,18,35,.97),rgba(4,18,35,.36) 84%)}.hero-content{padding:150px 0 80px}.page-hero{min-height:500px}.page-hero .hero-content{padding-top:120px}.metric-strip{margin-top:0}.metric-grid{border-radius:0}.card-grid,.products-grid,.solutions-grid,.icon-row,.values-grid,.process-grid,.contact-layout,.split,.footer-grid{grid-template-columns:1fr}.solution-card,.solution-card:nth-child(4),.solution-card:nth-child(5){grid-column:auto}.split-image{min-height:320px;order:-1}.split-image img{min-height:320px}.section-head,.cta-inner{align-items:flex-start;flex-direction:column}.form-grid{grid-template-columns:1fr}.field-full{grid-column:auto}.form-card,.contact-panel{padding:28px}.specs{grid-template-columns:1fr}.spec:nth-child(odd){border-right:0}.footer-grid{gap:28px}.footer-bottom{gap:12px;flex-direction:column}.metric{border-right:0!important;border-bottom:1px solid var(--line)!important}.metric:last-child{border-bottom:0!important}}
.section-dark .process-step h3{color:var(--navy)}.section-dark .split .process-grid{grid-template-columns:1fr}
.solution-card .text-link{color:#8ed7ff}.honeypot{position:absolute;left:-9999px;width:1px;height:1px}
button:disabled{opacity:.6;cursor:wait}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #1677ff;outline-offset:4px}
.status.submitting{color:#315a8a}.status.submitting:before{content:"";display:inline-block;width:12px;height:12px;margin-right:8px;border:2px solid #bdd3ef;border-top-color:var(--blue);border-radius:50%;animation:aivia-spin .8s linear infinite}@keyframes aivia-spin{to{transform:rotate(360deg)}}
.lang-zh h1,.lang-zh h2,.lang-zh h3{letter-spacing:0;line-height:1.35}
.product-card,.spec,.form-card{overflow-wrap:anywhere}.field label,.form-note,.primary-nav a{font-size:.9rem}
@media(max-width:720px){.hero h1{font-size:2.65rem}.hero-kicker{letter-spacing:.07em;font-size:.75rem}.hero-content{padding-top:95px}.hero{min-height:590px}.page-hero{min-height:420px}.button{min-height:48px}.contact-layout{gap:24px}.form-card h2{font-size:1.9rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}