:root{
  --navy:#06204a; --blue:#0065cc; --cyan:#1ed6e4; --green:#28bd76; --ink:#102033; --muted:#627089;
  --bg:#f5f9fd; --card:#ffffff; --line:#d8e6f3; --shadow:0 18px 50px rgba(10,40,80,.13);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:"Inter","Segoe UI","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.62}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block}.container{width:min(1180px,92vw);margin:0 auto}.section{padding:86px 0}.section.compact{padding:56px 0}.eyebrow{display:inline-flex;gap:9px;align-items:center;color:var(--blue);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.86rem}.eyebrow:before{content:"";width:26px;height:3px;border-radius:9px;background:linear-gradient(90deg,var(--blue),var(--green))}.section-title{font-size:clamp(2rem,4vw,3.25rem);line-height:1.15;margin:12px 0 16px;color:var(--navy);font-weight:900;letter-spacing:-.05em}.section-title .grad,.grad{background:linear-gradient(90deg,var(--blue),#00a8cc,var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}.lead{font-size:1.08rem;color:var(--muted);max-width:830px}.small{font-size:.92rem;color:var(--muted)}.note{border-left:4px solid var(--cyan);background:#eefaff;padding:14px 16px;border-radius:14px;color:#35506b}.topbar{height:38px;background:linear-gradient(90deg,var(--navy),#0c3b7a);color:#d8f5ff;font-size:.86rem}.topbar .container{display:flex;align-items:center;justify-content:space-between;height:100%;gap:18px}.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid rgba(0,101,204,.12)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;min-width:280px}.brand img{width:98px;height:auto}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-text b{font-size:1rem;color:var(--navy);letter-spacing:.03em}.brand-text span{font-size:.72rem;color:var(--muted)}.menu{display:flex;gap:20px;align-items:center;font-weight:700;color:#213147}.menu a{position:relative;padding:26px 0}.menu a:after{content:"";position:absolute;left:0;right:0;bottom:19px;height:3px;border-radius:9px;background:linear-gradient(90deg,var(--blue),var(--green));transform:scaleX(0);transform-origin:left;transition:.25s}.menu a:hover:after,.menu a.active:after{transform:scaleX(1)}.nav-actions{display:flex;gap:10px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;background:linear-gradient(90deg,var(--blue),#0aaee3);color:white;font-weight:800;box-shadow:0 12px 30px rgba(0,101,204,.25);border:0}.btn.secondary{background:white;color:var(--blue);box-shadow:inset 0 0 0 1px rgba(0,101,204,.18)}.hamb{display:none;border:0;background:#eef6ff;color:var(--navy);font-size:1.8rem;border-radius:12px;padding:7px 12px}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 15% 20%,#ecfbff 0,#f7fbff 35%,#eef6ff 100%);min-height:720px}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 43%,rgba(255,255,255,.18) 64%,rgba(255,255,255,.0) 100%);z-index:1}.hero-media{position:absolute;right:0;top:0;bottom:0;width:62%;z-index:0}.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}.hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(245,249,253,.9),rgba(245,249,253,.1) 34%,rgba(0,101,204,.1))}.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;min-height:720px}.hero-title{font-size:clamp(2.8rem,6vw,5.45rem);line-height:1.02;margin:14px 0 18px;color:var(--navy);font-weight:950;letter-spacing:-.065em}.hero-sub{font-size:clamp(1.1rem,1.6vw,1.35rem);color:#40506a;max-width:720px}.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 34px}.pill{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.75);box-shadow:inset 0 0 0 1px rgba(0,101,204,.12);font-weight:800;color:var(--navy)}.pill strong{color:var(--blue)}.hero-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-68px;position:relative;z-index:5}.hero-card{background:rgba(255,255,255,.92);border:1px solid rgba(0,101,204,.12);border-radius:24px;padding:22px 18px;box-shadow:var(--shadow);backdrop-filter:blur(12px)}.hero-card i{font-style:normal;font-size:1.8rem}.hero-card b{display:block;color:var(--navy);font-size:1.05rem;margin:8px 0 2px}.hero-card span{display:block;color:var(--muted);font-size:.86rem}.grid{display:grid;gap:22px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:white;border:1px solid rgba(0,101,204,.11);border-radius:28px;padding:26px;box-shadow:0 10px 35px rgba(7,32,74,.06)}.card h3{margin:0 0 10px;color:var(--navy);font-size:1.35rem}.card .en{display:block;color:var(--blue);font-weight:800;font-size:.92rem;margin-top:-4px}.feature-card{position:relative;overflow:hidden}.feature-card:before{content:"";position:absolute;inset:0 0 auto 0;height:5px;background:linear-gradient(90deg,var(--blue),var(--green))}.number{font-size:3.5rem;line-height:1;color:rgba(0,101,204,.12);font-weight:950}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.product-card{background:white;border-radius:28px;overflow:hidden;border:1px solid rgba(0,101,204,.12);box-shadow:0 12px 36px rgba(4,38,82,.08);transition:.25s;display:flex;flex-direction:column}.product-card:hover{transform:translateY(-5px);box-shadow:0 22px 60px rgba(0,101,204,.16)}.product-card .thumb{height:230px;background:linear-gradient(135deg,#eef8ff,#ffffff);display:flex;align-items:center;justify-content:center;padding:12px}.product-card .thumb img{width:100%;height:100%;object-fit:contain;object-position:center}.product-card .body{padding:20px 20px 22px}.product-card h3{font-size:1.24rem;margin:0 0 2px;color:var(--navy)}.product-card .en{color:var(--blue);font-weight:800;font-size:.9rem;margin-bottom:12px}.tag{display:inline-flex;font-size:.78rem;font-weight:900;color:#036f9f;background:#e8faff;border-radius:999px;padding:6px 10px;margin:5px 0 12px}.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.image-frame{background:linear-gradient(135deg,#f7fbff,#fff);border:1px solid rgba(0,101,204,.12);border-radius:34px;padding:18px;box-shadow:var(--shadow);overflow:hidden}.image-frame img{width:100%;height:100%;object-fit:contain;object-position:center;border-radius:22px;max-height:620px}.image-frame.wide img{max-height:520px}.dark{background:linear-gradient(135deg,#071d42,#07356f 55%,#0c846e);color:white;position:relative;overflow:hidden}.dark:before{content:"";position:absolute;right:-200px;top:-180px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(30,214,228,.23),transparent 62%)}.dark .section-title,.dark h3{color:white}.dark .lead,.dark .small{color:#d2e9ff}.dark .card{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15);box-shadow:none;color:white;backdrop-filter:blur(8px)}.dark .card .en{color:#6eeaff}.process{counter-reset:step}.process .card{position:relative}.process .card:before{counter-increment:step;content:"0"counter(step);font-size:2.1rem;color:var(--blue);font-weight:950}.two-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.list{padding-left:0;list-style:none;margin:0}.list li{position:relative;padding-left:24px;margin:10px 0;color:#32435a}.list li:before{content:"";position:absolute;left:0;top:.65em;width:9px;height:9px;border-radius:99px;background:linear-gradient(135deg,var(--blue),var(--green))}.dark .list li{color:#e8f5ff}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat{background:white;border-radius:26px;padding:24px;border:1px solid rgba(0,101,204,.12);box-shadow:0 10px 30px rgba(7,32,74,.06)}.stat b{font-size:2.2rem;color:var(--blue);display:block}.banner{padding:42px;border-radius:36px;background:linear-gradient(90deg,var(--blue),#0fa7cf,var(--green));color:white;box-shadow:var(--shadow);position:relative;overflow:hidden}.banner:after{content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.18)}.banner h2{font-size:2.2rem;margin:0 0 8px}.banner p{max-width:840px;margin:0;color:#eafcff}.product-hero{background:linear-gradient(135deg,#eff8ff,#ffffff);border-bottom:1px solid rgba(0,101,204,.12)}.product-hero .container{display:grid;grid-template-columns:.95fr 1.05fr;gap:42px;align-items:center;padding:64px 0}.product-title{font-size:clamp(2.4rem,5vw,4.3rem);line-height:1.06;margin:12px 0;color:var(--navy);font-weight:950;letter-spacing:-.055em}.product-title small{display:block;font-size:1.15rem;color:var(--blue);letter-spacing:.02em;margin-top:6px}.spec-table{width:100%;border-collapse:collapse;background:white;border-radius:24px;overflow:hidden;box-shadow:0 10px 35px rgba(7,32,74,.06)}.spec-table th,.spec-table td{padding:15px 18px;border-bottom:1px solid #e5eef8;text-align:left}.spec-table th{background:#f1f8ff;color:var(--navy);width:32%}.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.cert-card{background:white;border-radius:28px;box-shadow:0 14px 45px rgba(7,32,74,.08);border:1px solid rgba(0,101,204,.12);padding:14px}.cert-card img{height:420px;width:100%;object-fit:contain;background:#f8fbff;border-radius:18px}.cert-card h3{margin:14px 8px 5px;color:var(--navy)}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.gallery .gitem{background:white;border-radius:24px;overflow:hidden;border:1px solid rgba(0,101,204,.12);box-shadow:0 10px 32px rgba(7,32,74,.07)}.gallery img{width:100%;height:280px;object-fit:contain;background:linear-gradient(135deg,#edf8ff,#fff);padding:8px}.gallery .caption{padding:14px 16px;font-weight:800;color:var(--navy)}.footer{background:#061b3c;color:#dbeeff;padding:62px 0 30px}.footer .grid{grid-template-columns:1.35fr 1fr 1fr 1fr}.footer h3{color:white}.footer a{display:block;color:#c5def7;margin:8px 0}.footer .brand img{filter:none;background:white;border-radius:12px;padding:4px}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:22px;color:#94aeca;font-size:.9rem}.float-cta{position:fixed;right:22px;bottom:22px;z-index:60}.float-cta .btn{padding:14px 20px}.lightbox{position:fixed;inset:0;background:rgba(0,15,35,.88);z-index:100;display:none;align-items:center;justify-content:center;padding:30px}.lightbox.open{display:flex}.lightbox img{max-width:96vw;max-height:90vh;object-fit:contain}.lightbox button{position:absolute;right:22px;top:18px;border:0;background:white;border-radius:99px;padding:10px 14px;font-size:1.3rem}.breadcrumb{font-size:.92rem;color:var(--muted);padding:22px 0}.breadcrumb a{color:var(--blue);font-weight:700}.quote{font-size:1.45rem;color:var(--navy);font-weight:850;line-height:1.35;border-left:5px solid var(--green);padding-left:18px}.ul-highlight{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}.ul-highlight img{width:100%;border-radius:28px;box-shadow:var(--shadow);background:white}.logo-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border:1px solid rgba(0,101,204,.12);background:white;padding:20px 24px;border-radius:24px}.logo-strip img{width:120px}.langline{display:flex;gap:16px;flex-wrap:wrap}.langline span{display:inline-block;background:#eff8ff;color:#0c3464;font-weight:800;border-radius:999px;padding:8px 13px}.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:24px}.contact-box .card{min-height:170px}.page-hero{background:linear-gradient(135deg,#eaf6ff,#ffffff 55%,#e8fff9);padding:72px 0;border-bottom:1px solid rgba(0,101,204,.12)}.page-hero .lead{max-width:900px}
@media (max-width:1050px){.menu{display:none;position:absolute;left:0;right:0;top:76px;background:white;border-bottom:1px solid var(--line);padding:12px 24px;flex-direction:column;align-items:flex-start}.menu.open{display:flex}.menu a{padding:8px 0}.nav-actions .btn.secondary{display:none}.hamb{display:block}.hero .container{grid-template-columns:1fr;min-height:auto;padding:90px 0 160px}.hero-media{width:100%;opacity:.32}.hero:before{background:rgba(255,255,255,.8)}.hero-cards,.product-grid,.grid.cols-4{grid-template-columns:repeat(2,1fr)}.split,.product-hero .container,.ul-highlight,.contact-box{grid-template-columns:1fr}.cert-grid,.gallery,.grid.cols-3{grid-template-columns:repeat(2,1fr)}.footer .grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:680px){.topbar{display:none}.nav{height:66px}.menu{top:66px}.brand{min-width:auto}.brand-text{display:none}.brand img{width:85px}.hero-title{font-size:2.6rem}.section{padding:58px 0}.hero-cards,.product-grid,.grid.cols-2,.grid.cols-3,.grid.cols-4,.cert-grid,.gallery,.stats,.footer .grid{grid-template-columns:1fr}.cert-card img{height:330px}.gallery img{height:240px}.two-list{grid-template-columns:1fr}.banner{padding:28px}.banner h2{font-size:1.7rem}.product-hero .container{padding:42px 0}.product-card .thumb{height:250px}.hero{min-height:620px}.hero .container{padding:62px 0 130px}.hero-sub{font-size:1rem}.float-cta{display:none}}


/* === 2026-08 bilingual layout refinement === */
.header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);box-shadow:0 10px 32px rgba(7,32,74,.08)}
.nav{height:72px;display:flex;align-items:center;gap:18px;white-space:nowrap;overflow:visible}.brand{flex:0 0 330px;min-width:0;gap:12px}.brand img{width:92px;height:auto;object-fit:contain}.brand-text{min-width:0}.brand-text b{font-size:16px;line-height:1.15;white-space:nowrap;display:block;color:#061b3c}.brand-text span{font-size:10.5px;line-height:1.2;display:block;max-width:230px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#60708a}.menu{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:17px;min-width:0;white-space:nowrap;flex-wrap:nowrap}.menu a{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:0;color:#0c244d;font-weight:850;font-size:14px;line-height:1.05;white-space:nowrap;min-width:0}.menu a small{font-size:10px;line-height:1;color:#698099;font-weight:700;text-transform:none}.menu a.active{color:#0065cc}.menu a.active:after{content:"";display:block;width:28px;height:3px;background:linear-gradient(90deg,#0065cc,#20c997);border-radius:999px;margin-top:6px}.nav-actions{flex:0 0 auto;display:flex;align-items:center}.btn.secondary.nav-ul{padding:10px 15px;border-radius:999px;font-size:14px;white-space:nowrap;min-width:max-content}.hero .container{min-height:650px}.hero-title{font-size:clamp(2.45rem,4.7vw,4.35rem)!important;line-height:1.12!important;letter-spacing:-.045em!important;max-width:760px;margin-bottom:18px}.hero-sub{max-width:700px}.hero-badges{gap:10px;margin:22px 0 24px}.pill{font-size:.92rem;padding:8px 12px}.langline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:720px;margin-top:14px}.langline span{text-align:center;padding:9px 14px;white-space:nowrap;background:#eff8ff;color:#0c3464;font-weight:900;border-radius:999px;border:1px solid rgba(0,101,204,.08)}.product-card .thumb{height:260px;padding:18px;background:linear-gradient(135deg,#f7fbff,#ffffff)}.product-card .thumb img{object-fit:contain;object-position:center;max-width:100%;max-height:100%}.product-card h3{font-size:1.42rem;margin-bottom:5px;color:#071d42}.product-card .en{font-size:.92rem;line-height:1.35;min-height:36px}.product-card .body{display:flex;flex-direction:column;gap:2px}.tag{font-size:.78rem;line-height:1.45;white-space:normal}.section-title{line-height:1.15}.banner h2 span{font-size:1.2rem;color:rgba(255,255,255,.86)}.footer h3 span{font-size:.86rem;color:#8fb5da;font-weight:700}.footer a{line-height:1.35}.contact-box{grid-template-columns:repeat(2,minmax(0,1fr))}.contact-box .card a{color:#0065cc;font-weight:900}.small br+p,.lead br+p{margin-top:.4em}
@media (max-width:1240px){.brand{flex-basis:280px}.brand img{width:82px}.brand-text b{font-size:14px}.brand-text span{max-width:185px}.menu{gap:12px}.menu a{font-size:13px}.menu a small{display:none}.btn.secondary.nav-ul{font-size:13px;padding:9px 12px}.hero-title{font-size:clamp(2.35rem,5vw,3.75rem)!important}}
@media (max-width:1050px){.menu{display:none;position:absolute;left:0;right:0;top:72px;background:white;border-bottom:1px solid var(--line);padding:12px 24px;flex-direction:column;align-items:flex-start}.menu.open{display:flex}.menu a{align-items:flex-start;padding:10px 0}.menu a small{display:block}.nav-actions .btn.secondary{display:none}.hamb{display:block}.hero .container{min-height:auto}.langline{grid-template-columns:repeat(2,minmax(0,1fr))}.contact-box{grid-template-columns:1fr}.hero-title{font-size:clamp(2.2rem,8vw,3.2rem)!important}}
@media (max-width:680px){.nav{height:66px}.brand{flex-basis:auto}.brand img{width:86px}.hero-title{font-size:2.35rem!important}.hero .container{padding:64px 0 132px}.langline{grid-template-columns:1fr}.product-card .thumb{height:250px}.menu{top:66px}}

/* remove legacy underline pseudo element after bilingual nav update */
.menu a:after{content:none!important}.menu a.active:after{content:""!important;position:static!important;left:auto!important;right:auto!important;bottom:auto!important;height:3px!important;width:28px!important;transform:none!important;display:block!important;background:linear-gradient(90deg,#0065cc,#20c997)!important;border-radius:999px!important;margin-top:6px!important}