:root{
  --navy-950:#081C33; --navy-900:#0B2540; --navy-800:#123A5E; --navy-700:#1A4A7A;
  --orange:#F0A030; --orange-d:#D98A1F;
  --ink:#1C2733; --muted:#5B6B7B; --line:#E2E8F0; --bg:#F6F8FA; --card:#FFFFFF;
  --shadow:0 1px 3px rgba(11,37,64,.08),0 8px 24px rgba(11,37,64,.06);
  --r:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
     color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}

/* ---------- topbar / header ---------- */
.topbar{background:var(--navy-950);color:#B9C7D6;font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:38px;gap:14px;flex-wrap:wrap}
.topbar a{color:#DFE8F1}.topbar a:hover{color:var(--orange)}
.lang{display:flex;gap:10px;align-items:center;color:#D7E2EC}
.lang b{color:#fff;font-weight:600}
.lang a{padding:2px 8px;border:1px solid #2C4B6E;border-radius:20px;color:#D7E2EC}
.lang a:hover{border-color:var(--orange)}
header{position:sticky;top:0;z-index:50;background:var(--navy-900);box-shadow:0 2px 10px rgba(0,0,0,.18)}
.nav{display:flex;align-items:center;gap:26px;min-height:66px}
.brand{display:flex;align-items:center;gap:11px;color:#fff}
.brand .lg{flex:0 0 auto}
.brand .bt{line-height:1.15}
.brand .bt b{font-size:19px;letter-spacing:2.5px;font-weight:800}
.brand .bt span{display:block;font-size:10.5px;letter-spacing:1.6px;color:#9FB4C9;text-transform:uppercase}
.nav ul{display:flex;gap:4px;list-style:none;margin-left:auto}
.nav ul a{display:block;padding:9px 14px;border-radius:8px;color:#D7E2EC;font-weight:600;font-size:14.5px}
.nav ul a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav ul a.on{color:var(--orange)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:11px 22px;border-radius:9px;font-weight:700;
     font-size:15px;transition:.18s;border:2px solid transparent;cursor:pointer}
.btn-wa{background:var(--orange);color:#1C2733}
.btn-wa:hover{background:#FFB347;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-dark{background:var(--navy-900);color:#fff}
.btn-dark:hover{background:var(--navy-700)}
.nav .btn{padding:9px 18px;font-size:14px}
.burger{display:none;margin-left:auto;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;padding:6px 10px}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;background:var(--navy-900) center/cover no-repeat;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(8,28,51,.94) 0%,rgba(11,37,64,.86) 45%,rgba(18,58,94,.55) 100%)}
.hero .wrap{padding:104px 22px 96px;max-width:1000px}
.kicker{color:var(--orange);font-weight:800;letter-spacing:2.4px;font-size:13px;text-transform:uppercase;margin-bottom:18px}
.hero h1{font-size:clamp(34px,5.2vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.5px}
.hero p.sub{margin:22px 0 34px;font-size:clamp(16px,2vw,19.5px);color:#D9E4EF;max-width:640px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.chips{display:flex;gap:12px;flex-wrap:wrap;margin-top:44px}
.chip{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:999px;
      padding:8px 18px;font-size:14px;color:#EAF1F8;backdrop-filter:blur(3px)}
.chip b{color:var(--orange)}

/* ---------- stats band ---------- */
.stats{background:var(--navy-800);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:34px 22px}
.stat b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--orange);line-height:1.1}
.stat span{font-size:13.5px;color:#C6D5E3}

/* ---------- sections ---------- */
section{padding:78px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .kick{color:var(--orange-d);font-weight:800;letter-spacing:2px;font-size:12.5px;text-transform:uppercase}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--navy-900);margin:10px 0 12px;letter-spacing:-.4px}
.sec-head p{color:var(--muted);font-size:16.5px}
.bar{width:52px;height:4px;background:var(--orange);border-radius:2px;margin-top:18px}
.dark{background:var(--navy-900);color:#E7EEF5}
.dark .sec-head h2{color:#fff}
.dark .sec-head p{color:#B9C7D6}
.dark .sec-head .kick{color:var(--orange)}

/* ---------- cards ---------- */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;
      box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:0 4px 8px rgba(11,37,64,.08),0 16px 36px rgba(11,37,64,.10)}
.card .ic{width:46px;height:46px;border-radius:11px;background:linear-gradient(135deg,var(--navy-800),var(--navy-700));
   display:flex;align-items:center;justify-content:center;color:var(--orange);font-size:21px;font-weight:800;margin-bottom:16px}
.card h3{font-size:18.5px;color:var(--navy-900);margin-bottom:9px}
.card p{color:var(--muted);font-size:14.8px}
.num{font-size:30px;font-weight:800;color:var(--navy-800)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.split img{border-radius:var(--r);box-shadow:var(--shadow)}
.ticks{list-style:none;margin-top:20px}
.ticks li{padding:9px 0 9px 32px;position:relative;color:var(--ink);font-size:15.5px;border-bottom:1px dashed var(--line)}
.ticks li:last-child{border-bottom:0}
.ticks li::before{content:"✓";position:absolute;left:2px;top:9px;width:21px;height:21px;border-radius:50%;
   background:var(--orange);color:#1C2733;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}

/* ---------- products ---------- */
.cat{margin-bottom:56px}
.cat-h{display:flex;align-items:baseline;gap:14px;margin-bottom:20px;border-bottom:2px solid var(--line);padding-bottom:12px}
.cat-h h3{font-size:21px;color:var(--navy-900)}
.cat-h span{color:var(--muted);font-size:14px}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-3px)}
.pcard .ph{aspect-ratio:1/1;background:#EEF2F6 center/cover no-repeat}
.pcard .bd{padding:16px 18px 18px}
.pcard h4{font-size:15.5px;color:var(--navy-900)}
.pcard .zh{font-size:12.5px;color:var(--muted);margin-bottom:8px}
.pcard p{font-size:13.4px;color:var(--muted)}
.spec{display:inline-block;background:#EEF4FA;color:var(--navy-800);border-radius:6px;
      padding:2px 9px;font-size:12px;font-weight:700;margin:9px 6px 0 0}
.note{background:#FFF7EA;border:1px solid #F5D9A8;border-left:4px solid var(--orange);
     border-radius:10px;padding:16px 20px;color:#6B5518;font-size:14.5px;margin-top:34px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.step{padding:0 26px;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-size:44px;font-weight:800;color:var(--orange);opacity:.9;line-height:1}
.step h4{margin:12px 0 8px;font-size:17px;color:#fff}
.step p{font-size:14.2px;color:#B9C7D6}
.step::after{content:"";position:absolute;top:24px;right:-14px;width:28px;height:2px;background:rgba(255,255,255,.25)}
.step:last-child::after{display:none}

/* ---------- band / quote ---------- */
.band{position:relative;color:#fff;background:var(--navy-950) center/cover no-repeat;isolation:isolate}
.band::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(8,28,51,.95),rgba(11,37,64,.72))}
.band .wrap{padding:76px 22px;max-width:860px}
.band h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;margin-bottom:16px}
.band p{color:#D9E4EF;font-size:16.5px}

/* ---------- table ---------- */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);font-size:14.6px}
.tbl th{background:var(--navy-900);color:#fff;text-align:left;padding:14px 18px;font-size:13.5px;letter-spacing:.4px}
.tbl td{padding:14px 18px;border-top:1px solid var(--line);vertical-align:top;color:var(--ink)}
.tbl tr:nth-child(even) td{background:#FAFCFE}
.tbl td.you{background:#FFF7EA;font-weight:700;color:#7A5A16}
.tbl-wrap{overflow-x:auto;border-radius:var(--r)}

/* ---------- countries ---------- */
.flags{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.flag{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:10px;
      padding:13px 16px;font-size:14.5px;color:#DDE7F0;text-align:center}
.flag b{color:var(--orange)}

/* ---------- contact ---------- */
.cta-box{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.cta-card{border-radius:var(--r);padding:34px;color:#fff}
.cta-card.wa{background:linear-gradient(135deg,#128C4B,#0F7A40)}
.cta-card.em{background:linear-gradient(135deg,var(--navy-800),var(--navy-700))}
.cta-card h3{font-size:21px;margin-bottom:8px}
.cta-card p{opacity:.92;font-size:14.8px;margin-bottom:20px}
.cta-card .big{font-size:22px;font-weight:800;letter-spacing:.5px}
.checklist{list-style:none;margin-top:8px}
.checklist li{padding:10px 0 10px 34px;position:relative;border-bottom:1px dashed var(--line);font-size:15.5px}
.checklist li::before{content:"▸";position:absolute;left:6px;color:var(--orange-d);font-weight:800}
.info-row{display:flex;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:15px}
.info-row .k{flex:0 0 128px;color:var(--muted);font-weight:600}
.info-row a{color:var(--navy-800);font-weight:700}
.info-row a:hover{color:var(--orange-d)}

/* ---------- footer ---------- */
footer{background:var(--navy-950);color:#93A7BB;padding:58px 0 0;font-size:14.2px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:38px;padding-bottom:44px}
footer h5{color:#fff;font-size:14px;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:16px}
footer ul{list-style:none}
footer li{margin:9px 0}
footer a:hover{color:var(--orange)}
footer .fb{border-top:1px solid #173451;padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#6E859C}
.wa-float{position:fixed;right:22px;bottom:22px;z-index:80;width:56px;height:56px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:.2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .g3,.g4,.pgrid,.stats .wrap,.steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .step::after{display:none}
  footer .cols{grid-template-columns:1fr 1fr}
  .nav ul{display:none;position:absolute;top:66px;left:0;right:0;background:var(--navy-900);
     flex-direction:column;padding:12px 18px 20px;gap:2px;border-top:1px solid #1E3E5F}
  .nav ul.open{display:flex}
  .burger{display:block}
  .nav .btn{display:none}
}
@media(max-width:600px){
  .g3,.g4,.pgrid,.steps,.cta-box,.flags{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .hero .wrap{padding:76px 22px 64px}
  section{padding:56px 0}
  footer .cols{grid-template-columns:1fr}
}