:root{
  --red:#172a88; --red-d:#0e1c5e; --navy:#0a1140;
  --txt:#2b3142; --mut:#667085; --line:#dfe4f2; --bg2:#f4f6fc;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',Arial,Helvetica,sans-serif;color:var(--txt);line-height:1.65;background:#fff;-webkit-font-smoothing:antialiased}
h1,h2,h3{color:var(--navy)}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.sec{padding:80px 0}
.sec-head{text-align:center;margin-bottom:50px}
.sec-head h2{font-size:34px;font-weight:700}
.sec-head h2 span{color:var(--red)}
.sec-head p{color:var(--mut);margin-top:10px;font-size:16px}
.btn{display:inline-block;padding:12px 32px;background:#FFCA42;color:#0a1140;border-radius:3px;font-size:14px;letter-spacing:1px;transition:.3s;border:none;cursor:pointer;font-weight:600}
.btn:hover{background:#E0AE2A;color:#0a1140}
.btn-line{background:transparent;border:1px solid rgba(255,255,255,.7);color:#fff}
.btn-line:hover{background:#fff;color:var(--red)}
/* crumbs */
.crumbs{background:var(--bg2);border-bottom:1px solid var(--line);padding:14px 0;font-size:13px;color:var(--mut)}
.crumbs a{color:var(--mut)}.crumbs a:hover{color:var(--red)}
.page-banner{background:linear-gradient(120deg,#0a1140,#172a88 60%,#FFCA42);color:#fff;padding:70px 0;text-align:center}
.page-banner h1{color:#fff;font-size:38px}
.page-banner p{color:#f0d5d1;margin-top:10px;max-width:640px;margin-left:auto;margin-right:auto}
/* header */
header.site{position:sticky;top:0;z-index:200;background:#fff;box-shadow:0 2px 12px rgba(10,17,64,.1)}
.hd{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:800;color:#172a88}
.logo .mark{width:38px;height:38px;background:linear-gradient(135deg,#E0AE2A,#FFCA42);border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px}
.logo span{color:#E0AE2A}
nav.main>ul{display:flex;gap:6px}
nav.main>ul>li{position:relative}
nav.main>ul>li>a{display:block;padding:32px 14px;font-size:15px;font-weight:600;color:#333;transition:.2s}
nav.main>ul>li>a:hover,nav.main>ul>li:hover>a{color:#172a88}
nav.main .drop{position:absolute;top:100%;left:0;min-width:210px;background:#fff;box-shadow:0 14px 34px rgba(10,17,64,.14);border-top:3px solid #172a88;opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s}
nav.main li:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
nav.main .drop a{display:block;padding:12px 20px;font-size:14px;color:var(--mut);border-bottom:1px solid var(--line)}
nav.main .drop a:hover{color:#172a88;background:var(--bg2);padding-left:26px}
.hd-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;font-size:26px;background:none;border:none;cursor:pointer;color:#172a88}
@media(max-width:1060px){
  nav.main{display:none}
  .burger{display:block}
  nav.main.open{display:block;position:absolute;top:84px;left:0;right:0;background:#fff;box-shadow:0 20px 40px rgba(10,17,64,.15);max-height:75vh;overflow:auto}
  nav.main.open>ul{flex-direction:column}
  nav.main.open>ul>li>a{padding:14px 22px}
  nav.main .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border-top:none;padding-left:18px}
  .hd-cta .btn{display:none}
}
/* hero */
.hero{position:relative;height:560px;overflow:hidden;background:var(--navy)}
.slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;transition:opacity .8s}
.slide.on{opacity:1}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.82) 0%,rgba(0,0,0,.45) 55%,rgba(0,0,0,.15) 100%)}
.slide .wrap{position:relative;z-index:2;color:#fff}
.slide .kicker{font-size:14px;letter-spacing:4px;color:#FFCA42;text-transform:uppercase;font-weight:700}
.slide h1,.slide h2{font-size:48px;color:#fff;max-width:640px;margin:14px 0 18px;line-height:1.2}
.slide p{max-width:520px;color:#cccccc;font-size:17px;margin-bottom:32px}
.s1{background:linear-gradient(120deg,#0a1140,#1e348f)}
.s2{background:linear-gradient(120deg,#0d1648,#172a88)}
.s3{background:linear-gradient(120deg,#101a52,#E0AE2A)}
.s4{background:linear-gradient(120deg,#0a1140,#3555c4)}
.hero-dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px}
.hero-dots i{width:34px;height:4px;background:rgba(255,255,255,.35);cursor:pointer;transition:.3s}
.hero-dots i.on{background:#fff}
@media(max-width:700px){.slide h1,.slide h2{font-size:30px}.hero{height:480px}}
/* cards */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media(max-width:900px){.grid4{grid-template-columns:1fr 1fr}.grid3{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}}
@media(max-width:560px){.grid4{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;transition:.35s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-8px);box-shadow:0 22px 44px rgba(60,15,10,.14);border-color:transparent}
.card .img{height:210px;background:linear-gradient(135deg,#eef1fa,#d5dcf0);display:flex;align-items:center;justify-content:center;color:var(--red);font-size:14px;font-weight:700;letter-spacing:1px;text-align:center;padding:0 14px}
.card .body{padding:24px 24px 28px;flex:1}
.card .num{font-size:13px;color:var(--red);font-weight:800;letter-spacing:2px}
.card h3{font-size:18px;margin:8px 0 10px}
.card p{color:var(--mut);font-size:14px}
.card a.more{display:inline-block;margin-top:14px;color:var(--red);font-weight:700;font-size:14px}
.card a.more::after{content:" →"}
/* cases */
.case-banner{height:280px;border-radius:10px;background:linear-gradient(120deg,#0a1140,#172a88 60%,#FFCA42);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;margin-bottom:40px;text-align:center;padding:0 20px}
.case-banner h3{color:#fff;font-size:30px}
.case-banner a{margin-top:18px}
.case-card{position:relative;height:250px;border-radius:8px;overflow:hidden;display:flex;align-items:flex-end}
.case-card .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;transition:.5s}
.case-card:hover .ph{transform:scale(1.06)}
.c1{background:linear-gradient(135deg,#1e348f,#0a1140)}.c2{background:linear-gradient(135deg,#2a4a8f,#101a52)}
.c3{background:linear-gradient(135deg,#172a88,#080d30)}.c4{background:linear-gradient(135deg,#3555c4,#0e1c5e)}
.case-card .txt{position:relative;z-index:2;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,.72));width:100%;color:#fff}
.case-card .txt b{font-size:17px;display:block}
.case-card .txt span{font-size:12px;color:#e6d6d3}
/* about */
.kicker{color:var(--red);font-weight:800;letter-spacing:3px;font-size:13px;text-transform:uppercase}
.about-txt h2{font-size:32px;margin:10px 0 18px}
.about-txt p{color:var(--mut);margin-bottom:14px;font-size:15px}
.stats{display:flex;gap:48px;margin:26px 0 30px;flex-wrap:wrap}
.stats b{display:block;font-size:38px;color:var(--red);font-weight:800}
.stats span{font-size:13px;color:var(--mut);text-transform:uppercase;letter-spacing:1px}
.big-img{height:380px;border-radius:10px;background:linear-gradient(135deg,#e8ecf8,#ccd6ee);display:flex;align-items:center;justify-content:center;color:var(--red);font-weight:700}
/* video */
.video-banner{height:340px;background:linear-gradient(120deg,#080d30,#172a88);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;padding:0 20px}
.video-banner .play{width:76px;height:76px;border-radius:50%;border:2px solid rgba(255,255,255,.85);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;cursor:pointer;transition:.3s}
.video-banner .play:hover{background:#fff;color:var(--red)}
.video-banner h3{color:#fff;font-size:26px}
.video-banner p{color:#cccccc;font-size:14px;margin-top:8px}
/* spec table */
table.spec{width:100%;border-collapse:collapse;margin-top:30px;font-size:15px;background:#fff}
table.spec th,table.spec td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.spec th{color:var(--red);letter-spacing:1px;font-size:13px;text-transform:uppercase}
table.spec td:first-child{color:var(--mut)}
/* contact */
.contact{background:var(--navy);color:#cccccc}
.contact h2{color:#fff}
.c-item{display:flex;gap:14px;margin-bottom:22px;align-items:flex-start}
.c-item .ic{width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:17px}
.c-item b{color:#fff;display:block;font-size:15px}
.c-item span{font-size:14px}
.socials{display:flex;gap:12px;margin-top:10px}
.socials a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:15px;color:#fff;transition:.3s}
.socials a:hover{background:var(--red)}
.inq{background:#fff;border-radius:10px;padding:36px;color:var(--txt)}
.inq h3{font-size:20px;margin-bottom:6px}
.inq p{color:var(--mut);font-size:13px;margin-bottom:16px}
.inq input,.inq textarea,.inq select{width:100%;border:1px solid var(--line);border-radius:5px;padding:7px 12px;font-size:14px;margin-bottom:10px;font-family:inherit;background:var(--bg2)}
.inq input:focus,.inq textarea:focus,.inq select:focus{outline:none;border-color:var(--red)}
.inq button{width:100%;padding:14px;font-size:15px;font-weight:700;letter-spacing:1px}
/* footer */
footer{background:#0a1140;color:#999999;padding:60px 0 0;font-size:14px}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.ft-grid h4{color:#fff;font-size:16px;margin-bottom:18px}
.ft-grid a{display:block;padding:5px 0;color:#999999}
.ft-grid a:hover{color:#fff}
.ft-brand p{margin-top:12px;line-height:1.8}
.copyright{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px}
@media(max-width:900px){.ft-grid{grid-template-columns:1fr 1fr}}
/* floats */
.float-side{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:300;display:flex;flex-direction:column;gap:8px}
.float-side a{writing-mode:vertical-rl;padding:16px 10px;border-radius:6px 0 0 6px;font-size:13px;letter-spacing:2px;color:#fff;display:flex;align-items:center;gap:6px}
.f-wa{background:#25d366}.f-inq{background:#FFCA42;color:#0a1140;font-weight:600}
.float-side a:hover{filter:brightness(1.1)}
/* news list */
.news-row>a,.card>a{display:block}
.news-row>a:hover .img{filter:brightness(1.05)}
.card>a h3:hover,.card a:hover h3{color:var(--red)}
.news-row{display:grid;grid-template-columns:260px 1fr;gap:28px;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:24px;background:#fff;transition:.3s}
.news-row:hover{box-shadow:0 14px 34px rgba(60,15,10,.12)}
.news-row .img{background:linear-gradient(135deg,#f2f5fc,#e2e8f5);display:flex;align-items:center;justify-content:center;color:var(--red);font-weight:700;min-height:170px}
.news-row .body{padding:26px 28px}
.news-row h3{font-size:18px}
.news-row .date{color:var(--red);font-size:13px;font-weight:700;margin:6px 0 10px}
.news-row p{color:var(--mut);font-size:14px}
@media(max-width:700px){.news-row{grid-template-columns:1fr}}
/* feature list */
.feat{display:flex;gap:16px;margin-bottom:18px;align-items:flex-start}
.feat .fi{width:44px;height:44px;flex:0 0 44px;border-radius:8px;background:linear-gradient(135deg,#E0AE2A,#FFCA42);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px}
.feat b{display:block;color:var(--navy)}
.feat p{color:var(--mut);font-size:14px}
/* ===== PRODUCT DETAIL ===== */
.pd-main{height:430px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:17px;letter-spacing:1px;transition:.3s}
.g1{background:linear-gradient(135deg,#1e348f,#0a1140)}
.g2{background:linear-gradient(135deg,#E0AE2A,#0d1648)}
.g3{background:linear-gradient(135deg,#2a4a8f,#101a52)}
.g4{background:linear-gradient(135deg,#3555c4,#0e1c5e)}
.pd-thumbs{display:flex;gap:12px;margin-top:14px}
.pd-thumbs div{width:82px;height:64px;border-radius:6px;cursor:pointer;border:2px solid transparent;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:700;transition:.2s}
.pd-thumbs div.on{border-color:var(--red)}
.pd-info h1{font-size:30px;line-height:1.3}
.pd-sub{color:var(--mut);margin:10px 0 16px;font-size:15px}
.pd-tag{display:inline-block;background:var(--bg2);border:1px solid var(--line);color:var(--red);font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px;margin:0 6px 8px 0}
ul.pd-bullets{margin:8px 0 4px}
ul.pd-bullets li{padding:6px 0;font-size:15px}
ul.pd-bullets li::before{content:"✓ ";color:var(--red);font-weight:800}
table.qd{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
table.qd td{padding:9px 12px;border:1px solid var(--line)}
table.qd td:first-child{color:var(--mut);width:40%;background:var(--bg2)}
.pd-cta{display:flex;gap:14px;margin-top:6px;flex-wrap:wrap}
.pd-cta .btn{flex:1;text-align:center;min-width:160px}
.btn-wa{background:#25d366}
.btn-wa:hover{background:#1da851}
.pd-note{font-size:13px;color:var(--mut);margin-top:14px}
.det-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:64px}
.det-row:last-child{margin-bottom:0}
.det-row .big-img{height:300px}
.det-row h3{font-size:24px;margin-bottom:14px}
.det-row p{color:var(--mut);font-size:15px}
@media(max-width:900px){.det-row{grid-template-columns:1fr}.pd-main{height:300px}}