:root{--dark:#07111f;--deep:#0b1628;--blue:#0b4ea2;--red:#e60012;--gold:#f5b416;--text:#182234;--muted:#6b7688;--bg:#f6f8fb;--white:#fff;--line:#e6e9ef}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,"Noto Sans",sans-serif;color:var(--text);background:var(--bg);line-height:1.6}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}.topbar{background:#020814;color:#dbe7ff;font-size:13px}.topbar .wrap,.nav .wrap,.section,.footer .wrap{max-width:1180px;margin:auto;padding:0 22px}.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}.nav{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:50}.nav .wrap{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.5px}.brand img{width:110px;height:auto}.menu{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:700}.menu a{padding:10px 0;position:relative}.menu a:after{content:"";position:absolute;left:0;bottom:4px;width:0;height:2px;background:var(--red);transition:.25s}.menu a:hover:after{width:100%}.lang{display:flex;gap:6px}.lang a{border:1px solid var(--line);border-radius:999px;padding:7px 10px;background:#fff;font-size:12px}.lang a.active{background:var(--dark);color:#fff}.quote{background:var(--red);color:#fff!important;padding:10px 16px!important;border-radius:999px;box-shadow:0 10px 24px rgba(230,0,18,.25)}.mobile-btn{display:none;border:0;background:var(--dark);color:#fff;padding:10px 12px;border-radius:9px}.hero{position:relative;min-height:680px;display:flex;align-items:center;color:#fff;overflow:hidden;background:#111}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,10,22,.92),rgba(3,10,22,.62),rgba(3,10,22,.25));z-index:1}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero .section{position:relative;z-index:2;width:100%;padding-top:72px;padding-bottom:72px}.kicker{display:inline-flex;gap:8px;align-items:center;text-transform:uppercase;letter-spacing:2.5px;font-weight:800;font-size:13px;color:#fff;background:rgba(230,0,18,.9);padding:9px 13px;border-radius:999px}.hero h1{font-size:56px;line-height:1.05;margin:22px 0 20px;max-width:850px}.hero p{font-size:19px;max-width:720px;color:#e6eefb}.actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 22px;font-weight:800;border:1px solid transparent}.btn.primary{background:var(--red);color:#fff}.btn.secondary{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35);color:#fff}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:900px;margin-top:58px}.stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:22px;border-radius:18px;backdrop-filter:blur(8px)}.stat b{display:block;font-size:28px;color:#fff}.stat span{color:#d7e3f6}.section{padding-top:84px;padding-bottom:84px}.section.dark{max-width:none;background:linear-gradient(180deg,#07111f,#0f1a2d);color:#fff}.section.dark .inner{max-width:1180px;margin:auto;padding:0 22px}.head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}.head h2{font-size:38px;line-height:1.1;margin:0}.head p{max-width:650px;color:var(--muted);margin:0}.dark .head p{color:#b9c5d8}.grid{display:grid;gap:22px}.grid.products{grid-template-columns:repeat(3,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 18px 44px rgba(8,20,40,.08);transition:.25s}.card:hover{transform:translateY(-4px);box-shadow:0 24px 54px rgba(8,20,40,.13)}.card .pic{height:230px;background:#eef2f6;overflow:hidden}.card .pic img{width:100%;height:100%;object-fit:cover}.card .body{padding:24px}.card h3{margin:0 0 10px;font-size:21px}.card p{margin:0;color:var(--muted)}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}.split-img{border-radius:28px;overflow:hidden;box-shadow:0 25px 70px rgba(0,0,0,.18)}.split-img img{height:470px;width:100%;object-fit:cover}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}.feature{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;font-weight:800}.feature small{display:block;color:var(--muted);font-weight:600;margin-top:4px}.cases{grid-template-columns:repeat(3,1fr)}.case-card{position:relative;height:260px;border-radius:24px;overflow:hidden;color:#fff;background:#000}.case-card img{width:100%;height:100%;object-fit:cover;opacity:.78;transition:.3s}.case-card:hover img{transform:scale(1.06)}.case-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.76))}.case-card .txt{position:absolute;z-index:2;left:22px;right:22px;bottom:20px}.case-card h3{margin:0 0 6px}.case-card p{margin:0;color:#e7edf6}.service-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-card{padding:28px;border-radius:24px;background:#fff;border:1px solid var(--line)}.service-card b{font-size:34px;color:var(--red)}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.gallery a{height:150px;border-radius:16px;overflow:hidden;background:#e9eef5}.gallery img{width:100%;height:100%;object-fit:cover;transition:.25s}.gallery a:hover img{transform:scale(1.08)}.news-grid{grid-template-columns:repeat(3,1fr)}.news-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px}.news-card time{color:var(--red);font-weight:800;font-size:13px}.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px}.contact-box{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px}.contact-box .big{font-size:28px;font-weight:900;color:var(--dark)}.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:14px;margin:8px 0 12px;font-family:inherit}.form textarea{min-height:140px}.wa-float{position:fixed;right:22px;bottom:22px;background:#25d366;color:#fff;border-radius:999px;padding:15px 18px;font-weight:900;z-index:80;box-shadow:0 15px 35px rgba(37,211,102,.36)}.footer{background:#020814;color:#b9c5d8}.footer .wrap{padding-top:52px;padding-bottom:28px}.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}.footer h4{color:#fff;margin:0 0 14px}.footer a{display:block;margin:8px 0}.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;font-size:13px}.page-hero{background:linear-gradient(90deg,rgba(3,10,22,.86),rgba(3,10,22,.58)),var(--bgimg) center/cover;min-height:330px;color:#fff;display:flex;align-items:center}.page-hero h1{font-size:48px;margin:0}.breadcrumb{color:#cdd8ea}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}.table th,.table td{padding:16px;border-bottom:1px solid var(--line);text-align:left}.table th{background:#0b1628;color:#fff}@media(max-width:900px){.menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 22px;border-bottom:1px solid var(--line)}.menu.open{display:flex}.mobile-btn{display:block}.hero{min-height:620px}.hero h1{font-size:38px}.stats,.grid.products,.cases,.service-row,.news-grid,.contact-wrap,.split,.foot-grid{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(2,1fr)}.head{display:block}.section{padding-top:58px;padding-bottom:58px}.topbar .wrap{font-size:12px}.nav .wrap{height:68px}.brand img{width:92px}.lang{margin-top:4px}.quote{display:none}.split-img img{height:330px}}
/* V2 product parameter pages */
.nav-dd{position:relative;display:inline-flex;align-items:center}.nav-dd>a{padding:10px 0}.dd-panel{display:none;position:absolute;top:42px;left:0;background:#fff;border:1px solid var(--line);box-shadow:0 18px 48px rgba(0,0,0,.16);border-radius:12px;min-width:260px;padding:10px;z-index:90}.nav-dd:hover .dd-panel{display:block}.dd-panel a{display:block;padding:10px 13px;border-radius:8px;color:var(--text);font-weight:700}.dd-panel a:hover{background:#f1f5fb;color:var(--blue)}.detail-crumb{background:#eef2f7;border-bottom:1px solid var(--line)}.section.mini{padding-top:18px;padding-bottom:18px;color:#5d6878;font-size:14px}.product-detail-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:32px;align-items:start}.product-side{position:sticky;top:95px}.product-side h2{background:var(--blue);color:#fff;margin:0;padding:28px 24px;font-size:28px}.product-side h2 span{display:block;width:38px;height:3px;background:#fff;margin-top:10px}.side-links,.side-contact{background:#fff;border:1px solid var(--line);padding:18px}.side-links strong{display:block;margin-bottom:10px;color:#172033}.side-links a{display:block;border-top:1px solid var(--line);padding:10px 4px;color:#4b5668;font-weight:700}.side-links a.active,.side-links a:hover{color:#fff;background:var(--blue);padding-left:12px;border-radius:6px}.side-contact{margin-top:18px;border-radius:16px}.side-contact b{display:block;color:var(--blue);margin-bottom:8px}.product-main h1{font-size:34px;margin:0 0 24px;text-align:center}.product-intro{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;margin-bottom:30px}.product-photo{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}.product-photo img{height:300px;width:100%;object-fit:contain}.param-card{background:#f1f3f6;border:1px solid var(--line);padding:28px;border-radius:18px}.param-card h3{margin-top:0}.param-card ul{list-style:none;margin:0;padding:0}.param-card li{padding:7px 0;border-bottom:1px solid rgba(0,0,0,.06)}.detail-actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}.detail-actions .btn:not(.primary){background:#fff;border-color:var(--line)}.hotline{font-size:18px}.tabs{display:flex;gap:4px;margin:30px 0 0;flex-wrap:wrap}.tabs button{border:0;padding:14px 28px;background:#999;color:#fff;font-weight:800}.tabs button:first-child{background:var(--blue)}.spec-block{background:#fff;border:1px solid var(--line);padding:24px;border-radius:0 18px 18px 18px}.spec-block h2{margin:0 0 6px}.table-scroll{overflow:auto;max-height:620px;border:1px solid var(--line);border-radius:12px}.table.spec{min-width:980px}.table.spec th{background:#1c64c8;text-align:center;font-size:13px}.table.spec td{text-align:center;font-size:13px;padding:11px}.table.spec td:first-child{font-weight:800;color:#17345e}.description-block,.related{margin-top:34px}.desc-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.desc-grid img{height:260px;width:100%;object-fit:cover;border-radius:14px}.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.rel-card{display:grid;grid-template-columns:105px 1fr;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;transition:.2s}.rel-card:hover{box-shadow:0 16px 34px rgba(0,0,0,.1);transform:translateY(-2px)}.rel-card img{height:76px;width:105px;object-fit:contain;background:#f2f5f8;border-radius:10px}.rel-card span{font-weight:800}.rel-card small{display:block;color:var(--muted);font-weight:600;margin-top:4px}@media(max-width:900px){.product-detail-layout,.product-intro,.desc-grid,.rel-grid{grid-template-columns:1fr}.product-side{position:static}.product-main h1{text-align:left}.table-scroll{max-height:none}.tabs button{flex:1;padding:12px 8px}.dd-panel{position:static;box-shadow:none;border-radius:8px;margin-top:8px}.nav-dd{display:block}.nav-dd:hover .dd-panel{display:block}}

/* V3 original SEER product-detail correction */
.nav .menu{overflow:visible}.mega{position:relative}.mega-panel{display:none;position:absolute;top:100%;left:0;background:#fff;box-shadow:0 18px 35px rgba(0,0,0,.18);min-width:280px;z-index:50}.mega:hover>.mega-panel{display:block}.mega-panel a{display:flex;justify-content:space-between;padding:17px 22px;border-bottom:1px solid #eee;color:#222;white-space:nowrap}.mega-panel a:hover{background:#0b62d6;color:white}.submega{position:relative}.submega .sub-panel{display:none;position:absolute;left:100%;top:0;min-width:300px;background:white;box-shadow:0 18px 35px rgba(0,0,0,.18)}.submega:hover .sub-panel{display:block}.product-detail-v3{background:#fff}.crumbbar{background:#f3f5f7;padding:22px 0;color:#667;font-size:14px}.detail-grid-v3{display:grid;grid-template-columns:245px 1fr;gap:36px;max-width:1240px;margin:0 auto;padding:42px 18px}.side-v3 .title{background:#1265d8;color:#fff;font-size:26px;font-weight:800;padding:26px 22px}.side-v3 .title:after{content:'';display:block;width:38px;height:3px;background:white;margin-top:12px}.side-list{border:1px solid #e5e7eb}.side-list a,.side-list b{display:block;padding:13px 18px;border-bottom:1px solid #e5e7eb;color:#333}.side-list a.active{color:#1265d8;font-weight:700}.side-contact-v3{margin-top:28px;background:#f7f7f7;border:1px solid #e8e8e8}.side-contact-v3 img{width:100%;height:90px;object-fit:cover}.side-contact-v3 p{padding:0 18px;font-size:14px;line-height:1.8}.pd-title{text-align:center;font-size:30px;margin:0 0 28px}.pd-top{display:grid;grid-template-columns:44% 56%;gap:30px;align-items:stretch}.pd-gallery{border-top:1px solid #e5e7eb;padding-top:20px}.pd-gallery img{max-width:100%;height:280px;object-fit:contain;display:block;margin:0 auto}.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}.thumbs img{height:70px;width:100%;object-fit:cover;border:1px solid #ddd;padding:2px;background:#fff}.basic-card{background:#f2f3f5;padding:26px 30px;color:#555}.basic-card h3{margin-top:0;color:#333}.basic-card p{margin:9px 0}.blue-hotline{font-size:22px;color:#1265d8;font-weight:800}.pd-actions{display:flex;gap:16px;margin-top:18px}.pd-btn{display:inline-block;padding:12px 26px;border-radius:3px;background:#1265d8;color:white;font-weight:700}.pd-btn.ghost{background:#dfe4ef;color:#234}.pd-tabs{display:flex;gap:0;margin:36px 0 18px;position:sticky;top:0;z-index:5}.pd-tabs button{border:0;background:#9fa3a8;color:white;padding:15px 34px;font-size:18px;font-weight:700;cursor:pointer}.pd-tabs button.active{background:#1265d8}.tab-panel{display:none}.tab-panel.active{display:block}.spec-title{font-weight:700;margin:18px 0}.spec-table-wrap{overflow:auto;border:1px solid #dbe3f0}.spec-table{border-collapse:collapse;width:100%;min-width:980px;font-size:14px}.spec-table th{background:#1265d8;color:#fff;padding:14px 10px;border:1px solid #6fa1e8}.spec-table td{padding:11px 10px;text-align:center;border:1px solid #dbe3f0}.spec-table tr:nth-child(even){background:#f8fbff}.desc-box{line-height:1.8;color:#333;font-size:16px}.faq-list{border-top:1px solid #ddd}.faq-list details{border-bottom:1px solid #ddd;padding:16px}.faq-list summary{font-weight:800;cursor:pointer}.related-v3{background:#edf2f8;margin-top:50px;padding:36px}.related-v3 h2{text-align:center;color:#1265d8;font-size:32px}.related-grid-v3{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}.related-card-v3{background:white;text-align:center;padding:16px;color:#222;box-shadow:0 8px 25px rgba(0,0,0,.08)}.related-card-v3 img{height:120px;width:100%;object-fit:contain}.related-card-v3 b{display:block;margin:10px 0;font-size:14px}.quickbar{position:fixed;right:16px;top:45%;display:flex;flex-direction:column;gap:8px;z-index:80}.quickbar a{width:44px;height:44px;border-radius:3px;background:#f1f3f5;border:1px solid #ddd;display:flex;align-items:center;justify-content:center;color:#1265d8;font-weight:800}.qa-badge{display:inline-block;background:#16a34a;color:#fff;padding:4px 9px;border-radius:99px;font-size:12px;margin-left:8px}
@media(max-width:900px){.detail-grid-v3{grid-template-columns:1fr}.pd-top{grid-template-columns:1fr}.related-grid-v3{grid-template-columns:repeat(2,1fr)}.pd-tabs{overflow:auto}.pd-tabs button{white-space:nowrap}.mega-panel,.submega .sub-panel{position:static;display:block;box-shadow:none}.side-v3{order:2}}

.cards.four{grid-template-columns:repeat(4,minmax(0,1fr))}.cards.three{grid-template-columns:repeat(3,minmax(0,1fr))}.topbar a{color:inherit;text-decoration:none;margin-left:10px}.topbar a.active{text-decoration:underline}.news-list .card a,.case-card a{color:inherit;text-decoration:none}.case-card .more,.news-list .more{color:#0f60d4;font-weight:700}@media(max-width:900px){.cards.four,.cards.three{grid-template-columns:1fr}.mega-panel{position:static}.sub-panel{position:static;display:block}}