:root{--blue:#0b4d8a;--blue-2:#1273c4;--teal:#0e8f8a;--ink:#1a2733;--mut:#5b6b7b;
--bg:#f5f8fb;--card:#ffffff;--line:#dfe8f0;--gold:#c8952a}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Segoe UI","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:var(--blue-2);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 8px rgba(15,40,70,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--blue);white-space:nowrap;font-feature-settings:"palt"}
.brand .logo{width:36px;height:36px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.brand small{display:block;font-size:11px;font-weight:400;color:var(--mut)}
.main-nav{display:flex;gap:4px;list-style:none}
.main-nav a{display:block;padding:8px 12px;border-radius:6px;color:var(--ink);font-size:15px}
.main-nav a:hover,.main-nav a.active{background:#eaf3fb;color:var(--blue);text-decoration:none}
.lang{border:1px solid var(--line);padding:6px 12px;border-radius:20px;font-size:14px;background:#fff}
.quote-btn{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff!important;padding:9px 18px;border-radius:8px;font-size:14px;font-weight:600}
.quote-btn:hover{opacity:.9;text-decoration:none}
/* hero */
.hero{background:linear-gradient(120deg,#0b4d8a 0%,#0e6ba8 55%,#0e8f8a 100%);color:#fff;padding:72px 0 64px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.07)}
.hero::before{content:"";position:absolute;left:-80px;bottom:-160px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.05)}
.hero h1{font-size:40px;line-height:1.25;margin-bottom:16px;max-width:640px}
.hero p{font-size:18px;max-width:640px;opacity:.92;margin-bottom:28px}
.btn-light{display:inline-block;background:#fff;color:var(--blue)!important;font-weight:700;padding:13px 30px;border-radius:8px;box-shadow:0 4px 14px rgba(0,0,0,.15)}
.btn-light:hover{text-decoration:none;transform:translateY(-1px)}
.hero .stats{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap;position:relative;z-index:1}
.hero .stats b{display:block;font-size:26px}
.hero .stats span{font-size:13px;opacity:.85}
/* sections */
section{padding:56px 0}
.sec-title{font-size:28px;margin-bottom:8px;color:var(--ink)}
.sec-title::after{content:"";display:block;width:52px;height:4px;background:linear-gradient(90deg,var(--blue),var(--teal));border-radius:2px;margin-top:10px}
.sec-sub{color:var(--mut);margin-bottom:32px;max-width:720px}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 8px 24px rgba(15,40,70,.10);transform:translateY(-3px)}
.card .ico{width:44px;height:44px;border-radius:10px;background:#e7f2fb;color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.card h3{font-size:17px;margin-bottom:8px;color:var(--blue)}
.card p{font-size:14px;color:var(--mut)}
/* products */
.prod-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.prod-card:hover{box-shadow:0 10px 28px rgba(15,40,70,.12);transform:translateY(-3px)}
.prod-card .thumb{height:150px;background:linear-gradient(135deg,#0b4d8a,#0e8f8a);color:#fff;display:flex;align-items:center;justify-content:center;font-size:44px}
.prod-card .body{padding:22px;flex:1;display:flex;flex-direction:column}
.prod-card h3{font-size:18px;color:var(--blue);margin-bottom:8px}
.prod-card p{font-size:14px;color:var(--mut);margin-bottom:14px;flex:1}
.btn-outline{display:inline-block;border:1.5px solid var(--blue-2);color:var(--blue-2)!important;padding:8px 18px;border-radius:8px;font-size:14px;font-weight:600;text-align:center}
.btn-outline:hover{background:var(--blue-2);color:#fff!important;text-decoration:none}
/* page hero (inner pages) */
.page-hero{background:linear-gradient(120deg,#0b4d8a,#0e6ba8);color:#fff;padding:44px 0}
.page-hero h1{font-size:30px}
.page-hero p{opacity:.9;margin-top:6px}
/* content */
.content-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:36px;margin-bottom:24px}
.content-card h2{font-size:20px;color:var(--blue);margin:26px 0 12px}
.content-card h2:first-child{margin-top:0}
.content-card p{margin-bottom:12px;color:#33465a}
ul.checks{list-style:none}
ul.checks li{padding:7px 0 7px 30px;position:relative;color:#33465a}
ul.checks li::before{content:"\2713";position:absolute;left:0;top:7px;width:20px;height:20px;border-radius:50%;background:#e2f4f0;color:var(--teal);font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700}
table.specs{width:100%;border-collapse:collapse;font-size:14.5px}
table.specs th,table.specs td{border:1px solid var(--line);padding:10px 14px;text-align:left}
table.specs th{background:#f0f6fc;color:var(--blue);width:42%;font-weight:600}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.fact{background:#f0f6fc;border-left:4px solid var(--blue);border-radius:8px;padding:18px}
.fact b{display:block;color:var(--blue);font-size:14px;margin-bottom:4px}
.fact span{font-size:14px;color:#33465a}
/* contact */
.contact-wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
label{font-size:13.5px;font-weight:600;color:#33465a;display:block;margin-bottom:5px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14.5px;font-family:inherit;background:#fbfdff}
input:focus,select:focus,textarea:focus{outline:2px solid #bcd9f2;border-color:var(--blue-2)}
textarea{min-height:120px;resize:vertical}
.contact-list{list-style:none}
.contact-list li{padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.contact-list b{color:var(--blue);display:block;font-size:13px;margin-bottom:2px}
/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--blue),var(--teal));border-radius:16px;color:#fff;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h3{font-size:22px;margin-bottom:6px}
.cta-band p{opacity:.9;font-size:15px}
.cta-band .btn-light{padding:13px 26px}
/* footer */
.site-footer{background:#0d2b45;color:#c6d6e6;margin-top:24px;padding:44px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:32px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer a{color:#9fc3e2}
.site-footer ul{list-style:none}
.site-footer li{padding:4px 0}
.footer-bar{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;text-align:center;font-size:12.5px;color:#7f9cb5}
.breadcrumb{font-size:13px;color:var(--mut);margin-bottom:18px}
.kicker{display:inline-block;font-size:12.5px;letter-spacing:1.2px;color:var(--teal);text-transform:uppercase;font-weight:600;margin-bottom:8px}
.step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:18px}
.step-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;position:relative}
.step-card .step-no{font-family:"Georgia",serif;font-size:34px;color:var(--blue);font-weight:700;line-height:1;margin-bottom:8px}
.step-card h3{font-size:16px;margin-bottom:6px;color:var(--ink)}
.step-card p{font-size:13.5px;color:var(--mut);line-height:1.55}
.case-wrap{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.case-text h2{margin-top:6px;margin-bottom:12px}
.hmi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.prod-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px;margin:24px 0 8px}
.prod-fig{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 4px 14px rgba(11,77,138,.06)}
.prod-fig img{width:100%;height:auto;display:block;background:#eef3f8}
.prod-fig figcaption{padding:12px 16px;font-size:13.5px;color:var(--mut);border-top:1px solid var(--line)}
.hmi-fig{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 4px 14px rgba(11,77,138,.06)}
.hmi-fig img{width:100%;height:auto;display:block;background:#0a1828}
.hmi-fig figcaption{padding:14px 16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.hmi-fig figcaption b{color:var(--ink);font-size:14.5px}
.hmi-fig figcaption span{color:var(--mut);font-size:12.5px;line-height:1.5}
.track-stats{display:flex;gap:34px;flex-wrap:wrap;margin:20px 0 24px}
.track-stat b{font-size:32px;color:var(--blue);font-family:"Georgia",serif;display:block;line-height:1.1}
.track-stat span{font-size:13px;color:var(--mut)}
.track-table th{text-align:left}
.track-table td{color:var(--ink)}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:99px;white-space:nowrap}
.badge.pass{background:#e3f4ec;color:#137a46}
.badge.ongoing{background:#fdf1dd;color:#9a6a12}
.sec-title{text-align:center;margin-bottom:28px;font-size:26px;color:var(--ink)}
@media(max-width:860px){.contact-wrap{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.main-nav{display:none}.footer-grid{grid-template-columns:1fr}.hero h1{font-size:30px}.case-wrap{grid-template-columns:1fr}.hmi-grid{grid-template-columns:1fr}}