body, dl, dd, ul, ol ,h1, h2, h3, h4 ,form, input, button, textarea, p, th, td{ margin:0; padding:0;}
body{ font:12px/1.5 '\5FAE\8F6F\96C5\9ED1',arial,'Hiragino Sans GB'; color:#333; -webkit-text-size-adjust: none; }
img{vertical-align: middle; border:none;}
ul,ol{list-style:none outside none;}
table{border-collapse:collapse; border-spacing:0;}
button, input, select, textarea {font-size: 100%; vertical-align:middle; outline:none; font-family:'arial';}
a{ color:#333; text-decoration:none; blr:expression(this.onFocus=this.blur());  }
a:focus {outline: 0 none;}
h1,h2,h3,h4{ font-size:100%; font-weight:normal;}
button, input[type="button"], input[type="reset"], input[type="submit"] {cursor: pointer; -webkit-appearance: button;-moz-appearance: button;}
.text,.btn,textarea{font-family:"\5FAE\8F6F\96C5\9ED1",arial,'Hiragino Sans GB';}
.clearfix:after{ content:"."; clear:both; height:0; visibility:hidden; display:block;}
.clearfix{*zoom:1;}
.btn{ border: none; cursor: pointer;}
html,body{ width: 100%; }
li{ list-style:none;}
em,i{ font-style: normal; }
:root{
  --brand:#1a56db; --brand-2:#3b82f6; --brand-dark:#1240a8;
  --ink:#0f172a; --body:#334155; --muted:#64748b;
  --line:#e6ecf5; --bg:#ffffff; --soft:#f5f8ff; --soft-2:#eef4ff;
  --radius:16px; --shadow:0 4px 20px rgba(15,42,92,.07); --shadow-lg:0 18px 46px rgba(15,42,92,.13);
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--body); background:var(--bg); line-height:1.75; -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:88px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 56px}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;font-weight:700}
h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.02em}
.sec-head p{color:var(--muted);font-size:17px;margin-top:14px}
.lead{font-size:18px;color:var(--body)}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.25s}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(15,42,92,.06)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:18px;letter-spacing:-.01em}
.logo-mark{width:40px;height:40px;border-radius:10px;display:block;box-shadow:0 4px 12px rgba(26,86,219,.18);object-fit:cover}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.02em}
.menu{display:flex;gap:30px;align-items:center}
.menu a{font-size:15px;color:var(--body);font-weight:500;transition:.2s}
.menu a:hover,.menu a.on{color:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:14px}
.tel{font-size:15px;font-weight:700;color:var(--brand);display:flex;align-items:center;gap:6px}
.tel img{width:15px;height:15px;display:block}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:10px;font-size:15px;font-weight:600;
  background:var(--brand);color:#fff;border:1px solid var(--brand);transition:.22s;cursor:pointer;
}
.btn:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(26,86,219,.25)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid #c9d9ff}
.btn-ghost:hover{background:var(--soft);color:var(--brand-dark);border-color:var(--brand);box-shadow:none}
.btn-lg{padding:15px 34px;font-size:16px;border-radius:12px}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 460px at 78% -8%,#e3edff 0%,rgba(227,237,255,0) 62%),
  radial-gradient(700px 420px at 8% 6%,#eef4ff 0%,rgba(238,244,255,0) 60%),#fff;}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#e9f0fb 1px,transparent 1px),linear-gradient(90deg,#e9f0fb 1px,transparent 1px);background-size:56px 56px;opacity:.5;mask-image:linear-gradient(#000,transparent 72%);-webkit-mask-image:linear-gradient(#000,transparent 72%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #d9e5ff;color:var(--brand);font-size:13px;font-weight:600;padding:7px 15px;border-radius:999px;box-shadow:var(--shadow)}
.badge i{width:6px;height:6px;border-radius:50%;background:#16a34a;display:block}
.hero h1{font-size:clamp(30px,4.4vw,50px);letter-spacing:-.03em;margin:22px 0 20px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{max-width:560px;font-size:17.5px}
.hero-btns{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;margin-top:44px;padding-top:30px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-stats b{display:block;font-size:26px;color:var(--ink);font-weight:800;letter-spacing:-.02em}
.hero-stats span{font-size:13.5px;color:var(--muted)}

/* hero visual */
.hero-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden}
.hc-top{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--line);background:var(--soft)}
.dot{width:10px;height:10px;border-radius:50%}
.hc-top span{margin-left:auto;font-size:12px;color:var(--muted);font-weight:500}
.hc-body{padding:20px}
.task{display:flex;gap:11px;align-items:flex-start;margin-bottom:14px}
.task .av{width:30px;height:30px;border-radius:9px;flex:0 0 30px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff}
.av.b{background:linear-gradient(135deg,#3b82f6,#1a56db)}
.av.p{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}
.av.t{background:linear-gradient(135deg,#06b6d4,#0e7490)}
.av.g{background:linear-gradient(135deg,#22c55e,#15803d)}
.task-t{font-size:14px;color:var(--ink);font-weight:600}
.task-d{font-size:13px;color:var(--muted)}
.chip{display:inline-block;font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:6px;background:#eef4ff;color:var(--brand);margin-top:5px}
.chip.done{background:#e8f7ee;color:#15803d}
.hc-bar{margin-top:6px;padding:12px 14px;background:var(--soft);border-radius:12px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}
.bar{height:6px;border-radius:99px;background:var(--soft-2);overflow:hidden;width:130px}
.bar i{display:block;height:100%;width:82%;border-radius:99px;background:linear-gradient(90deg,var(--brand-2),var(--brand))}


/* ---------- Capabilities ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c9d9ff}
.ico{width:50px;height:50px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eaf1ff,#dbe6ff);margin-bottom:20px}
.ico img{width:24px;height:24px;display:block}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:14.8px;color:var(--body)}
.feat{list-style:none;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.feat li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--body);padding:4px 0}
.feat li img{width:16px;height:16px;flex:0 0 16px;display:block}

/* ---------- Architecture ---------- */
.arch{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.arch-list{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto}
.layer{display:grid;grid-template-columns:96px 1fr;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;transition:.25s}
.layer:hover{border-color:#c9d9ff;box-shadow:var(--shadow)}
.lnum{text-align:center}
.lnum b{display:block;font-size:13px;color:var(--brand);font-weight:700;letter-spacing:.05em}
.lnum span{display:block;font-size:26px;font-weight:800;color:#c3d5f7;line-height:1.1}
.layer h3{font-size:19px;margin-bottom:6px}
.layer p{font-size:14.5px;color:var(--muted);margin-bottom:12px}
.pills{display:flex;gap:9px;flex-wrap:wrap}
.pills span{font-size:13px;color:var(--body);background:var(--soft);border:1px solid var(--line);padding:5px 13px;border-radius:8px}

/* ---------- Security ---------- */
.sec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sec-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:center;transition:.25s}
.sec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c9d9ff}
.sec-card .ico{margin:0 auto 16px}
.sec-card h3{font-size:17.5px;margin-bottom:6px}
.lvl{display:inline-block;font-size:12px;font-weight:600;color:var(--brand);background:var(--soft-2);padding:3px 11px;border-radius:99px;margin-bottom:12px}
.sec-card p{font-size:14px;color:var(--muted)}
.pricing-cta{margin-top:48px;background:linear-gradient(120deg,#f3f7ff,#e8f0ff);border:1px solid #d9e5ff;border-radius:20px;padding:40px;text-align:center}
.pricing-cta h3{font-size:23px;margin-bottom:10px}
.pricing-cta p{color:var(--muted);margin-bottom:22px}
.price{color:var(--brand);font-weight:800}

/* ---------- FAQ ---------- */
.faq{background:var(--soft);border-top:1px solid var(--line)}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.qa{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s}
.qa:hover{border-color:#c9d9ff}
.qa.open{border-color:#c9d9ff;box-shadow:var(--shadow)}
.qa-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;font:inherit;font-size:16.5px;font-weight:600;color:var(--ink)}
.qa-q i{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--soft-2);position:relative;transition:.25s}
.qa-q i::before,.qa-q i::after{content:"";position:absolute;background:var(--brand);left:50%;top:50%;transform:translate(-50%,-50%)}
.qa-q i::before{width:10px;height:2px}
.qa-q i::after{width:2px;height:10px;transition:.25s}
.qa.open .qa-q i{background:var(--brand)}
.qa.open .qa-q i::before,.qa.open .qa-q i::after{background:#fff}
.qa.open .qa-q i::after{height:0}
.qa-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.qa-a p{padding:0 24px 22px;font-size:15.2px;color:var(--body)}

/* ---------- Final CTA ---------- */
.cta{text-align:center;background:linear-gradient(135deg,#1550d0,#2f6ff0 55%,#3b82f6);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 20% 20%,rgba(255,255,255,.16),transparent 42%),radial-gradient(circle at 82% 78%,rgba(255,255,255,.13),transparent 45%)}
.cta-in{position:relative;max-width:760px;margin:0 auto}
.cta h2{color:#fff;font-size:clamp(26px,3.4vw,38px)}
.cta p{color:rgba(255,255,255,.86);font-size:17px;margin:16px 0 32px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--brand);border-color:#fff}
.btn-white:hover{background:#f3f7ff;color:var(--brand-dark);border-color:#fff;box-shadow:0 10px 26px rgba(0,0,0,.16)}
.btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-w:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;box-shadow:none}

/* ---------- Footer ---------- */
footer{background:#0d1b34;color:#9fb0cc;padding:60px 0 0;font-size:14px}
.f-inner{padding:0 40px}
.f-grid{display:grid;grid-template-columns:1.3fr 1fr 1.1fr 1.1fr 1.2fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.f-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
footer ul{list-style:none}
footer li{padding:5px 0}
footer a:hover{color:#fff}
.f-note{font-size:13.5px;line-height:1.8;color:#9fb0cc}
.f-cta{display:inline-block;color:#fff;font-weight:600;margin-top:6px}
.f-addr{color:#9fb0cc;font-size:13.5px;line-height:1.8}
.f-bottom{padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7b8dad}
.f-bottom a{color:#7b8dad}
.f-bottom a:hover{color:#fff}
.f-tel{display:flex;align-items:center;gap:8px;color:#fff;font-weight:600;font-size:15px}
.f-tel img{width:14px;height:14px;display:block}

@media(max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:44px}
  .hero{text-align:left}
  .grid-3,.sec-grid{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr 1fr}
  .menu{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:10px 24px 18px;box-shadow:var(--shadow)}
  .menu.show{display:flex}
  .menu a{padding:11px 0;border-bottom:1px solid var(--line);width:100%}
  .burger{display:flex}
  .nav-cta .tel{display:none}
}
@media(max-width:640px){
  section{padding:64px 0}
  .grid-3,.sec-grid{grid-template-columns:1fr}
  .f-inner{padding:0 20px}
  .f-grid{grid-template-columns:1fr 1fr;gap:28px}
  .layer{grid-template-columns:1fr;gap:12px;padding:20px}
  .lnum{display:flex;align-items:center;gap:10px;text-align:left}
  .hero-stats{gap:24px}
  .pricing-cta{padding:28px 20px}
}