:root{
    --primary:#1747FF;
    --secondary:#0E2F86;
    --accent:#FF5A1F;
    --ink:#0B1437;
    --ink-2:#3A4466;
    --ink-3:#6B7594;
    --paper:#FFFFFF;
    --bg:#F5F7FB;
    --line:#E4E8F2;
    --radius:12px;
    --shadow:0 10px 30px rgba(14,47,134,.08);
    --shadow-lg:0 20px 60px rgba(14,47,134,.12);
  }
  *{box-sizing:border-box}
  html,body{margin:0;padding:0}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  button{font-family:inherit;cursor:pointer;border:none;background:none}
  ul{list-style:none;margin:0;padding:0}

  .container{max-width:1200px;margin:0 auto;padding:0 24px}

  /* Top bar */
  .top-strip{
    background:var(--secondary);
    color:rgba(255,255,255,.8);
    font-size:12px;
  }
  .top-strip .container{
    display:flex;justify-content:space-between;align-items:center;height:34px;
  }
  .top-strip .info{display:flex;gap:20px;align-items:center}
  .top-strip .info span{display:inline-flex;align-items:center;gap:6px}
  .top-strip .info svg{width:14px;height:14px;fill:currentColor}
  .top-strip .meta{display:flex;gap:16px}

  /* Header */
  header.site{
    background:rgba(255,255,255,.95);
    backdrop-filter:saturate(180%) blur(10px);
    border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:50;
  }
  .nav{
    display:flex;align-items:center;gap:24px;height:72px;
  }
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--secondary)}
  .brand .logo{
    width:34px;height:34px;border-radius:8px;
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    color:#fff;display:grid;place-items:center;font-weight:800;letter-spacing:.5px;
  }
  nav.primary{margin-left:24px;flex:1}
  nav.primary > ul{display:flex;gap:4px;align-items:center}
  nav.primary > ul > li{position:relative}
  nav.primary > ul > li > a{
    display:inline-flex;align-items:center;gap:4px;
    padding:10px 14px;border-radius:8px;font-size:15px;color:var(--ink-2);
    transition:color .2s, background .2s;
  }
  nav.primary > ul > li > a:hover,
  nav.primary > ul > li.active > a{color:var(--primary);background:rgba(23,71,255,.06)}
  nav.primary .chev{width:12px;height:12px;fill:currentColor;opacity:.7}

  .nav-tools{display:flex;align-items:center;gap:10px}
  .search{
    display:flex;align-items:center;gap:8px;
    border:1px solid var(--line);border-radius:999px;padding:8px 14px;
    background:#fff;width:220px;transition:border-color .2s,box-shadow .2s;
  }
  .search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,71,255,.12)}
  .search svg{width:16px;height:16px;fill:var(--ink-3)}
  .search input{border:none;outline:none;font-size:13px;width:100%;background:transparent;color:var(--ink)}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 18px;border-radius:8px;font-size:14px;font-weight:500;
    transition:transform .15s ease, box-shadow .2s, background .2s;
  }
  .btn-primary{background:var(--primary);color:#fff}
  .btn-primary:hover{background:var(--secondary);box-shadow:0 8px 18px rgba(23,71,255,.25)}
  .btn-ghost{background:#fff;color:var(--secondary);border:1px solid var(--line)}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
  .btn .arrow{width:14px;height:14px;fill:currentColor}

  .menu-toggle{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;border:1px solid var(--line)}
  .menu-toggle svg{width:20px;height:20px;fill:var(--ink)}

  /* Hero */
  section.hero{
    position:relative;overflow:hidden;
    background:
      radial-gradient(1200px 500px at 90% -10%, rgba(23,71,255,.12), transparent 60%),
      radial-gradient(800px 400px at -10% 40%, rgba(255,90,31,.08), transparent 60%),
      linear-gradient(180deg,#F7F9FF 0%, #FFFFFF 100%);
    padding:72px 0 96px;
  }
  .hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      linear-gradient(rgba(23,71,255,.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(23,71,255,.05) 1px, transparent 1px);
    background-size:40px 40px;
    mask-image:radial-gradient(ellipse at center, #000 30%, transparent 75%);
  }
  .hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;position:relative}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 12px;border-radius:999px;background:rgba(23,71,255,.08);color:var(--primary);
    font-size:13px;font-weight:500;margin-bottom:20px;
  }
  .eyebrow .dot{width:6px;height:6px;background:var(--accent);border-radius:50%}
  h1.hero-title{
    font-size:48px;line-height:1.15;margin:0 0 20px;font-weight:700;color:var(--secondary);
    letter-spacing:-.5px;
  }
  h1.hero-title em{font-style:normal;color:var(--primary);position:relative}
  h1.hero-title em::after{
    content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:rgba(255,90,31,.2);z-index:-1;border-radius:4px;
  }
  .hero-desc{font-size:16px;color:var(--ink-2);max-width:540px;margin:0 0 32px}
  .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}
  .hero-meta{display:flex;gap:32px;flex-wrap:wrap}
  .hero-meta .stat .num{font-size:24px;font-weight:700;color:var(--secondary)}
  .hero-meta .stat .num .unit{font-size:14px;color:var(--ink-3);margin-left:2px;font-weight:500}
  .hero-meta .stat .label{font-size:13px;color:var(--ink-3)}

  .hero-visual{position:relative}
  .hero-shot{
    border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);
    background:#fff;border:1px solid var(--line);
  }
  .hero-shot img{width:100%;height:auto;display:block}
  .hero-float{
    position:absolute;left:-28px;top:40px;background:#fff;border-radius:12px;
    padding:14px 16px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center;
    border:1px solid var(--line);
  }
  .hero-float .ic{
    width:38px;height:38px;border-radius:10px;background:rgba(255,90,31,.12);
    display:grid;place-items:center;color:var(--accent);
  }
  .hero-float .ic svg{width:20px;height:20px;fill:currentColor}
  .hero-float .t{font-size:13px;color:var(--ink-3)}
  .hero-float .v{font-weight:600;color:var(--ink)}

  /* Section base */
  section{padding:88px 0}
  .section-head{text-align:center;max-width:760px;margin:0 auto 56px}
  .section-kicker{color:var(--primary);font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
  .section-title{font-size:36px;font-weight:700;color:var(--secondary);margin:0 0 16px;letter-spacing:-.3px}
  .section-desc{color:var(--ink-2);font-size:15px;margin:0}

  /* Capability */
  .cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .cap-card{
    border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
    transition:transform .25s ease, box-shadow .25s ease, border-color .2s;
    display:flex;flex-direction:column;min-height:280px;
  }
  .cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(23,71,255,.25)}
  .cap-cover{height:120px;position:relative;overflow:hidden}
  .cap-cover img{width:100%;height:100%;object-fit:cover}
  .cap-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,47,134,.0),rgba(14,47,134,.55))}
  .cap-body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
  .cap-body h3{margin:0 0 8px;font-size:17px;color:var(--secondary);font-weight:600}
  .cap-body p{margin:0 0 14px;font-size:13px;color:var(--ink-3);flex:1}
  .cap-tags{display:flex;flex-wrap:wrap;gap:6px}
  .tag{font-size:12px;padding:3px 8px;border-radius:4px;background:var(--bg);color:var(--ink-2)}

  /* Solutions */
  .solutions{background:var(--bg);position:relative}
  .sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .sol-card{
    border-radius:16px;overflow:hidden;position:relative;min-height:280px;
    display:flex;flex-direction:column;justify-content:flex-end;
    color:#fff;padding:28px;box-shadow:var(--shadow);
    transition:transform .25s ease;
  }
  .sol-card:hover{transform:translateY(-4px)}
  .sol-card .bg{position:absolute;inset:0;z-index:0}
  .sol-card .bg img{width:100%;height:100%;object-fit:cover}
  .sol-card .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,47,134,.1) 0%, rgba(14,47,134,.85) 100%)}
  .sol-card .content{position:relative;z-index:1}
  .sol-card .label{font-size:12px;opacity:.85;letter-spacing:2px;margin-bottom:8px}
  .sol-card h3{margin:0 0 10px;font-size:22px;font-weight:600}
  .sol-card p{margin:0 0 16px;font-size:14px;opacity:.9}
  .sol-card .more{
    display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#fff;
    border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:2px;
  }
  .sol-card .more svg{width:14px;height:14px;fill:currentColor}

  /* Cases */
  .cases-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:stretch}
  .case-big{
    border-radius:16px;overflow:hidden;position:relative;min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;
    color:#fff;padding:40px;
  }
  .case-big .bg{position:absolute;inset:0;z-index:0}
  .case-big .bg img{width:100%;height:100%;object-fit:cover}
  .case-big .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,47,134,.05) 0%, rgba(14,47,134,.85) 80%)}
  .case-big .content{position:relative;z-index:1}
  .case-industry{
    display:inline-block;padding:4px 10px;border-radius:4px;background:var(--accent);color:#fff;font-size:12px;margin-bottom:14px;
  }
  .case-big h3{font-size:28px;margin:0 0 10px;font-weight:600}
  .case-big p{max-width:520px;margin:0 0 20px;opacity:.9;font-size:14px}
  .case-metrics{display:flex;gap:32px}
  .case-metrics .m .n{font-size:28px;font-weight:700}
  .case-metrics .m .n span{font-size:14px;font-weight:500;opacity:.8;margin-left:2px}
  .case-metrics .m .t{font-size:12px;opacity:.8}
  .case-side{display:flex;flex-direction:column;gap:20px}
  .case-mini{
    display:grid;grid-template-columns:130px 1fr;gap:18px;
    background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line);
    transition:box-shadow .2s,border-color .2s;
  }
  .case-mini:hover{box-shadow:var(--shadow);border-color:rgba(23,71,255,.25)}
  .case-mini .cover{height:100%;min-height:120px;overflow:hidden;position:relative}
  .case-mini .cover img{width:100%;height:100%;object-fit:cover}
  .case-mini .body{padding:18px 18px 18px 0;display:flex;flex-direction:column;justify-content:center}
  .case-mini .industry{font-size:12px;color:var(--primary);margin-bottom:6px}
  .case-mini h4{margin:0 0 6px;font-size:16px;color:var(--secondary)}
  .case-mini p{margin:0;font-size:13px;color:var(--ink-3)}

  /* Deploy */
  .deploy{position:relative;color:#fff;overflow:hidden}
  .deploy::before{
    content:"";position:absolute;inset:0;
    background-image:
      linear-gradient(135deg,#0E2F86 0%, #1747FF 60%, #0E2F86 100%);
    z-index:-2;
  }
  .deploy .bg{position:absolute;inset:0;z-index:-1;opacity:.25}
  .deploy .bg img{width:100%;height:100%;object-fit:cover}
  .deploy-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
  .deploy-intro .section-kicker{color:#FFB594}
  .deploy-intro .section-title{color:#fff}
  .deploy-intro .section-desc{color:rgba(255,255,255,.8)}
  .deploy-steps{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .step{
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
    border-radius:12px;padding:20px;backdrop-filter:blur(6px);
    transition:background .2s;
  }
  .step:hover{background:rgba(255,255,255,.14)}
  .step .num{font-size:13px;color:var(--accent);font-weight:600;letter-spacing:1px;margin-bottom:8px}
  .step h4{margin:0 0 6px;font-size:16px;color:#fff}
  .step p{margin:0;font-size:13px;color:rgba(255,255,255,.8)}

  /* Support */
  .support-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .sup-card{
    border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;
    transition:transform .2s,box-shadow .2s,border-color .2s;
  }
  .sup-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(23,71,255,.25)}
  .sup-ic{
    width:46px;height:46px;border-radius:10px;background:rgba(23,71,255,.08);
    display:grid;place-items:center;color:var(--primary);margin-bottom:16px;
  }
  .sup-ic svg{width:22px;height:22px;fill:currentColor}
  .sup-card h3{margin:0 0 8px;font-size:16px;color:var(--secondary)}
  .sup-card p{margin:0 0 14px;font-size:13px;color:var(--ink-3)}
  .sup-card .more{color:var(--primary);font-size:13px;display:inline-flex;align-items:center;gap:4px}
  .sup-card .more svg{width:12px;height:12px;fill:currentColor}

  /* CTA */
  .cta{padding:72px 0}
  .cta-box{
    border-radius:20px;overflow:hidden;position:relative;
    padding:56px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:40px;
    box-shadow:var(--shadow-lg);
  }
  .cta-box .bg{position:absolute;inset:0;z-index:0}
  .cta-box .bg img{width:100%;height:100%;object-fit:cover}
  .cta-box::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,47,134,.92),rgba(23,71,255,.75));z-index:0}
  .cta-content{position:relative;z-index:1;max-width:620px}
  .cta-content h2{font-size:30px;margin:0 0 12px;color:#fff}
  .cta-content p{margin:0;color:rgba(255,255,255,.88);font-size:15px}
  .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
  .cta-actions .btn-primary{background:var(--accent)}
  .cta-actions .btn-primary:hover{background:#E74A12}
  .cta-actions .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.3)}
  .cta-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff}

  /* Footer */
  footer{background:#0A1638;color:rgba(255,255,255,.72);padding:64px 0 0}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
  .foot-brand .brand{color:#fff}
  .foot-brand p{font-size:13px;line-height:1.7;margin:16px 0 20px;max-width:320px;color:rgba(255,255,255,.6)}
  .foot-contact div{display:flex;align-items:center;gap:8px;font-size:13px;margin-bottom:8px}
  .foot-contact svg{width:14px;height:14px;fill:var(--primary);flex-shrink:0}
  .foot-col h4{color:#fff;font-size:14px;margin:0 0 16px;font-weight:600}
  .foot-col a{display:block;font-size:13px;padding:6px 0;color:rgba(255,255,255,.6);transition:color .2s}
  .foot-col a:hover{color:#fff}
  .foot-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:20px 0;display:flex;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.5);
    flex-wrap:wrap;gap:10px;
  }

  /* Responsive */
  @media (max-width:1024px){
    .top-strip{display:none}
    nav.primary{margin-left:12px}
    .cap-grid{grid-template-columns:repeat(2,1fr)}
    .sol-grid{grid-template-columns:repeat(2,1fr)}
    .cases-wrap{grid-template-columns:1fr}
    .deploy-grid{grid-template-columns:1fr;gap:32px}
    .support-grid{grid-template-columns:repeat(2,1fr)}
    .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
    h1.hero-title{font-size:40px}
    .section-title{font-size:28px}
  }
  @media (max-width:720px){
    .container{padding:0 20px}
    section{padding:64px 0}
    .nav{height:60px;gap:12px}
    .brand{font-size:17px}
    .brand .logo{width:30px;height:30px;font-size:14px}
    nav.primary, .search{display:none}
    .menu-toggle{display:inline-flex}
    .hero{padding:48px 0 64px}
    .hero-grid{grid-template-columns:1fr;gap:32px}
    h1.hero-title{font-size:30px}
    .hero-desc{font-size:14px}
    .hero-float{left:12px;top:auto;bottom:-16px;padding:10px 12px}
    .hero-meta{gap:20px}
    .hero-meta .stat .num{font-size:20px}
    .section-head{margin-bottom:36px}
    .section-title{font-size:24px}
    .cap-grid, .sol-grid, .support-grid{grid-template-columns:1fr}
    .case-big{min-height:320px;padding:28px}
    .case-big h3{font-size:22px}
    .case-metrics{gap:20px}
    .case-metrics .m .n{font-size:22px}
    .case-mini{grid-template-columns:110px 1fr}
    .deploy-steps{grid-template-columns:1fr}
    .cta-box{flex-direction:column;align-items:flex-start;padding:36px 24px}
    .cta-content h2{font-size:22px}
    .foot-grid{grid-template-columns:1fr;gap:24px}
    .foot-bottom{flex-direction:column;text-align:center}
  }

  /* Mobile drawer */
  .drawer{
    position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:60;
    opacity:0;pointer-events:none;transition:opacity .25s;
  }
  .drawer.open{opacity:1;pointer-events:auto}
  .drawer-panel{
    position:absolute;right:0;top:0;bottom:0;width:78%;max-width:320px;background:#fff;
    transform:translateX(100%);transition:transform .25s ease-out;
    padding:20px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
  }
  .drawer.open .drawer-panel{transform:translateX(0)}
  .drawer-panel .drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
  .drawer-panel a.nav-lv1{
    padding:12px 10px;border-radius:8px;color:var(--ink);font-size:15px;display:block;
  }
  .drawer-panel a.nav-lv1:hover{background:var(--bg);color:var(--primary)}
  .drawer-close{width:36px;height:36px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center}
  .drawer-close svg{width:18px;height:18px;fill:var(--ink)}

.support-page{background:var(--paper)}

/* Breadcrumb */
.breadcrumb{
  max-width:1200px;margin:0 auto;padding:20px 24px 0;
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-3);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.crumb-sep{width:14px;height:14px;fill:none;stroke:currentColor;color:var(--ink-3);flex-shrink:0}
.crumb-current{color:var(--ink)}

/* Support Hero */
.support-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 500px at 90% -10%, rgba(23,71,255,.12), transparent 60%),
    radial-gradient(800px 400px at -10% 40%, rgba(255,90,31,.08), transparent 60%),
    linear-gradient(180deg,#F7F9FF 0%, #FFFFFF 100%);
  padding:56px 0 88px;margin-top:8px;
}
.support-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(23,71,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23,71,255,.05) 1px, transparent 1px);
  background-size:40px 40px;
  mask-image:radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.support-hero-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;position:relative;
}
.support-hero-text h1{
  font-size:44px;line-height:1.2;margin:0 0 20px;font-weight:700;color:var(--secondary);letter-spacing:-.5px;
}
.support-hero-text p{font-size:16px;color:var(--ink-2);max-width:520px;margin:0 0 32px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.support-hero-visual{
  position:relative;border-radius:16px;min-height:360px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  background-size:cover;background-position:center;
  overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line);
}
.support-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,47,134,.55),rgba(23,71,255,.25));
}
.support-hero-card{
  position:absolute;left:28px;bottom:28px;right:28px;
  background:rgba(255,255,255,.95);backdrop-filter:blur(8px);
  border-radius:12px;padding:18px 20px;display:flex;gap:28px;
  border:1px solid rgba(255,255,255,.6);box-shadow:var(--shadow);
}
.mini-stat{display:flex;flex-direction:column;gap:4px}
.mini-num{font-size:26px;font-weight:700;color:var(--secondary);line-height:1.1}
.mini-label{font-size:13px;color:var(--ink-3)}

/* Section */
.section{padding:88px 0}
.section-tag{
  display:inline-block;color:var(--primary);font-size:13px;font-weight:600;
  letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;
}
.section-alt{background:var(--bg);position:relative}
.section-alt .section-head h2{color:var(--secondary)}

/* Service grid */
.service-grid{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.service-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:transform .25s ease, box-shadow .25s ease, border-color .2s;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(23,71,255,.25)}
.service-icon{
  width:52px;height:52px;border-radius:12px;background:rgba(23,71,255,.08);
  display:grid;place-items:center;color:var(--primary);margin-bottom:18px;
}
.service-icon svg{width:26px;height:26px}
.service-card h3{margin:0 0 10px;font-size:18px;color:var(--secondary);font-weight:600}
.service-card p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.7}

/* Doc grid */
.doc-grid{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.doc-card{
  display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;transition:transform .25s, box-shadow .25s, border-color .2s;
}
.doc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(23,71,255,.25)}
.doc-cover{
  width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,rgba(23,71,255,.1),rgba(23,71,255,.04));
  display:grid;place-items:center;color:var(--primary);margin-bottom:16px;
}
.doc-cover svg{width:28px;height:28px}
.doc-card h3{margin:0 0 8px;font-size:17px;color:var(--secondary);font-weight:600}
.doc-card p{margin:0 0 18px;font-size:13px;color:var(--ink-3);flex:1;line-height:1.7}
.doc-link{
  display:inline-flex;align-items:center;gap:4px;color:var(--primary);font-size:13px;font-weight:500;
}
.doc-link svg{width:12px;height:12px;fill:none;stroke:currentColor;transition:transform .2s}
.doc-card:hover .doc-link svg{transform:translateX(2px)}

/* Two col */
.two-col{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;
}
.col-text h2{font-size:34px;font-weight:700;color:var(--secondary);margin:10px 0 16px;letter-spacing:-.3px}
.col-text > p{font-size:15px;color:var(--ink-2);margin:0 0 36px}
.process-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:20px}
.process-list li{
  display:flex;gap:20px;padding:22px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);transition:box-shadow .2s, border-color .2s;
}
.process-list li:hover{box-shadow:var(--shadow);border-color:rgba(23,71,255,.2)}
.step-num{
  flex-shrink:0;width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:.5px;
}
.process-list li h4{margin:0 0 6px;font-size:16px;color:var(--secondary);font-weight:600}
.process-list li p{margin:0;font-size:13px;color:var(--ink-3);line-height:1.7}

/* Form */
.col-form{
  background:var(--paper);border:1px solid var(--line);border-radius:16px;
  padding:32px;box-shadow:var(--shadow);
}
.col-form h3{margin:0 0 8px;font-size:22px;color:var(--secondary);font-weight:600}
.form-desc{margin:0 0 24px;font-size:14px;color:var(--ink-3)}
.ticket-form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field span{font-size:13px;color:var(--ink-2);font-weight:500}
.field input, .field select, .field textarea{
  border:1px solid var(--line);border-radius:8px;padding:11px 14px;font-size:14px;
  font-family:inherit;color:var(--ink);background:var(--paper);transition:border-color .2s, box-shadow .2s;
  outline:none;width:100%;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,71,255,.12);
}
.field textarea{resize:vertical;min-height:96px;line-height:1.6}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.btn-block{width:100%;justify-content:center;padding:12px 18px;font-size:15px}
.form-note{margin:4px 0 0;font-size:12px;color:var(--ink-3);text-align:center}

/* SLA table */
.sla-table-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.sla-table{width:100%;border-collapse:collapse;font-size:14px}
.sla-table thead th{
  background:linear-gradient(180deg,#F7F9FF,#EEF2FF);
  color:var(--secondary);font-weight:600;font-size:14px;
  padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);
}
.sla-table thead th:first-child{width:26%}
.sla-table tbody td{
  padding:16px 20px;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.sla-table tbody tr:last-child td{border-bottom:none}
.sla-table tbody tr:hover{background:rgba(23,71,255,.03)}
.sla-table tbody td:first-child{color:var(--ink);font-weight:500}
.sla-table tbody td:nth-child(4){color:var(--primary);font-weight:600}

/* FAQ */
.faq-list{
  max-width:900px;margin:0 auto;padding:0 24px;
  display:flex;flex-direction:column;gap:14px;
}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 24px;transition:border-color .2s, box-shadow .2s;
}
.faq-item[open]{border-color:rgba(23,71,255,.25);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:16px;color:var(--secondary);font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;
  background:rgba(23,71,255,.08);color:var(--primary);
  display:grid;place-items:center;transition:transform .2s;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--primary);color:#fff}
.faq-body{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.faq-body p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.8}

/* Contact strip */
.contact-strip{padding-bottom:88px}
.contact-box{
  max-width:1200px;margin:0 auto;padding:0 24px;
  background:linear-gradient(135deg,#0E2F86 0%, #1747FF 60%, #0E2F86 100%);
  border-radius:20px;padding:56px 48px;color:#fff;position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.contact-box::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(600px 300px at 90% 10%, rgba(255,90,31,.2), transparent 60%),
    radial-gradient(500px 300px at 10% 90%, rgba(255,255,255,.08), transparent 60%);
  pointer-events:none;
}
.contact-box > div:first-child{position:relative;z-index:1;max-width:620px;margin-bottom:32px}
.contact-box .section-tag{color:#FFB594}
.contact-box h2{font-size:32px;color:#fff;font-weight:700;margin:10px 0 14px;letter-spacing:-.3px}
.contact-box p{margin:0;color:rgba(255,255,255,.85);font-size:15px}
.contact-cards{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-card{
  display:flex;gap:14px;align-items:center;padding:20px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:12px;backdrop-filter:blur(6px);transition:background .2s;
}
.contact-card:hover{background:rgba(255,255,255,.16)}
.contact-card svg{width:28px;height:28px;flex-shrink:0;color:var(--accent)}
.contact-label{display:block;font-size:12px;color:rgba(255,255,255,.7);margin-bottom:4px}
.contact-value{display:block;font-size:18px;font-weight:600;color:#fff}
a.contact-value:hover{color:#FFD2BE}

/* Responsive */
@media (max-width:1024px){
  .support-hero-inner{grid-template-columns:1fr;gap:32px}
  .support-hero-visual{min-height:300px}
  .support-hero-text h1{font-size:36px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .doc-grid{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr;gap:40px}
  .contact-cards{grid-template-columns:1fr}
  .contact-box{padding:40px 32px}
  .contact-box h2{font-size:26px}
  .section{padding:72px 0}
  .sla-table thead th, .sla-table tbody td{padding:14px 16px;font-size:13px}
}
@media (max-width:720px){
  .breadcrumb{padding:16px 20px 0;font-size:12px}
  .support-hero{padding:36px 0 64px}
  .support-hero-inner{padding:0 20px}
  .support-hero-text h1{font-size:28px}
  .support-hero-text p{font-size:14px;margin-bottom:24px}
  .support-hero-visual{min-height:240px}
  .support-hero-card{left:16px;right:16px;bottom:16px;padding:14px 16px;gap:18px;flex-wrap:wrap}
  .mini-num{font-size:20px}
  .section{padding:56px 0}
  .service-grid, .doc-grid{grid-template-columns:1fr;padding:0 20px}
  .two-col{padding:0 20px;gap:28px}
  .col-text h2{font-size:24px}
  .col-form{padding:24px 20px}
  .field-row{grid-template-columns:1fr}
  .sla-table-wrap{margin:0 20px;overflow-x:auto}
  .sla-table{min-width:560px}
  .faq-list{padding:0 20px}
  .faq-item{padding:16px 18px}
  .faq-item summary{font-size:15px}
  .contact-strip{padding:0 0 56px}
  .contact-box{margin:0 20px;padding:32px 22px;border-radius:16px}
  .contact-box h2{font-size:22px}
  .contact-card{padding:16px}
  .contact-value{font-size:16px}
}

@media (max-width:720px){header a.btn.btn-primary{display:none!important}}

.search-go{display:inline-flex;align-items:center;justify-content:center;flex:none;padding:0;border:0;background:none;color:inherit;font:inherit;cursor:pointer}

header nav a,header nav button{white-space:nowrap}

@media (max-width:1099px){header form[role="search"],header form.search,header form:has(input[type="search"]){display:none!important}}

@media (max-width:839px){.container { padding: 0px 20px; }.nav { height: 60px; gap: 12px; }.brand { font-size: 17px; }.brand .logo { width: 30px; height: 30px; font-size: 14px; }nav.primary, .search { display: none; }.menu-toggle { display: inline-flex; }header a.btn.btn-primary { display: none !important; }}