:root{
  --bg:#f4f8ff;
  --bg2:#eef6ff;
  --ink:#0b1b33;
  --muted:#4a5f7a;
  --line:rgba(15,39,77,.12);
  --card:rgba(255,255,255,.72);
  --card2:rgba(255,255,255,.92);
  --pri:#1a6dff;
  --pri2:#00d7ff;
  --acc:#12d18e;
  --warn:#ffb020;
  --shadow:0 18px 45px rgba(16,40,80,.15);
  --radius:22px;
  --max:1200px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--ink);
  background:
    radial-gradient(900px 600px at 10% -20%, rgba(26,109,255,.22), transparent 60%),
    radial-gradient(800px 500px at 110% 10%, rgba(0,215,255,.18), transparent 55%),
    radial-gradient(700px 500px at 50% 110%, rgba(18,209,142,.18), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 70%, #e7f0ff 100%);
  font-family:"IBM Plex Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x:hidden;
}

.page-bg{
  position:fixed; inset:0; z-index:-1; pointer-events:none;
}
.orb{position:absolute; border-radius:999px; filter: blur(0); opacity:.75; mix-blend-mode:multiply}
.orb.one{width:260px; height:260px; background:radial-gradient(circle, rgba(26,109,255,.45), transparent 60%); left:-60px; top:40px; animation:float 12s ease-in-out infinite}
.orb.two{width:320px; height:320px; background:radial-gradient(circle, rgba(0,215,255,.35), transparent 60%); right:-80px; top:140px; animation:float 14s ease-in-out infinite 1s}
.orb.three{width:380px; height:380px; background:radial-gradient(circle, rgba(18,209,142,.35), transparent 60%); left:20%; bottom:-140px; animation:float 16s ease-in-out infinite 2s}
.gridlines{position:absolute; inset:-40px; background-image:linear-gradient(transparent 95%, rgba(26,109,255,.08) 96%), linear-gradient(90deg, transparent 95%, rgba(26,109,255,.08) 96%); background-size:38px 38px; opacity:.35; mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 55%)}

@keyframes float{
  0%,100%{transform:translateY(0) translateX(0)}
  50%{transform:translateY(-18px) translateX(10px)}
}

a{color:inherit; text-decoration:none}
img{max-width:100%; height:auto; display:block}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}

.topbar{position:sticky; top:0; z-index:50; backdrop-filter: blur(18px); background:rgba(244,248,255,.75); border-bottom:1px solid var(--line)}
.navwrap{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:12px 0}
.brand{display:flex; align-items:center; gap:12px; min-width:0}
.brand img{width:36px; height:36px; border-radius:12px; box-shadow:var(--shadow)}
.brand .txt{min-width:0}
.brand .txt strong{display:block; font-size:15px; line-height:1.1}
.brand .txt span{display:block; margin-top:4px; color:var(--muted); font-size:12px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}

#navSwitch{display:none}
.menuBtn{width:44px; height:40px; border-radius:14px; border:1px solid var(--line); background:var(--card); display:inline-flex; align-items:center; justify-content:center; box-shadow:var(--shadow)}
.menuBtn i{width:18px; height:2px; background:var(--ink); position:relative; display:block}
.menuBtn i:before,.menuBtn i:after{content:""; position:absolute; left:0; width:18px; height:2px; background:var(--ink)}
.menuBtn i:before{top:-6px}
.menuBtn i:after{top:6px}

.nav{display:none; flex-direction:column; gap:8px; padding:10px 0 14px}
.nav a{padding:10px 12px; border-radius:999px; border:1px solid var(--line); background:var(--card); color:var(--muted); font-size:13px; transition:all .25s ease}
.nav a.active{color:var(--ink); border-color:rgba(26,109,255,.5); background:rgba(26,109,255,.12)}
#navSwitch:checked ~ .nav{display:flex}

@media (min-width: 980px){
  .menuBtn{display:none}
  .nav{display:flex; flex-direction:row; padding:0; gap:12px}
  .nav a{border-color:transparent; background:transparent}
  .nav a:hover{background:var(--card); border-color:var(--line); color:var(--ink); transform:translateY(-1px)}
}

.section{padding:32px 0}
.grid{display:grid; grid-template-columns:1fr; gap:14px}
@media (min-width: 980px){.grid.two{grid-template-columns:1.1fr .9fr} .grid.three{grid-template-columns:repeat(3,1fr)} .grid.four{grid-template-columns:repeat(4,1fr)}}

.card{border:1px solid var(--line); background:var(--card); border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden; position:relative}
.card.glow:after{content:""; position:absolute; inset:-2px; border-radius:var(--radius); background:linear-gradient(120deg, rgba(26,109,255,.28), rgba(0,215,255,.18), rgba(18,209,142,.2)); opacity:.5; filter:blur(18px); z-index:-1}
.inner{padding:16px}

.kicker{display:inline-flex; align-items:center; gap:10px; padding:6px 12px; border-radius:999px; border:1px solid var(--line); background:var(--card); color:var(--muted); font-size:12px}
.kicker b{width:8px; height:8px; border-radius:999px; background:var(--pri); box-shadow:0 0 0 4px rgba(26,109,255,.18)}

.h1{margin:14px 0 10px; font-size:32px; line-height:1.15; letter-spacing:-.6px}
.h2{margin:0; font-size:20px}
.p{margin:0; color:var(--muted); font-size:14px; line-height:1.8}

.btnrow{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:10px; padding:11px 16px; border-radius:14px; border:1px solid var(--line); background:var(--card); color:var(--ink); font-size:13px; transition:transform .2s ease, box-shadow .2s ease}
.btn.primary{border-color:transparent; background:linear-gradient(90deg, var(--pri), var(--pri2)); color:#fff; box-shadow:0 10px 24px rgba(26,109,255,.25)}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent}

.badges{display:flex; flex-wrap:wrap; gap:8px; margin-top:12px}
.badge{display:inline-flex; align-items:center; gap:8px; padding:6px 10px; border-radius:999px; border:1px solid var(--line); background:var(--card2); color:var(--muted); font-size:12px}
.badge i{width:8px; height:8px; border-radius:999px; background:var(--acc)}

.heroImg{height:330px; object-fit:cover; width:100%; transition:transform .6s ease}
.card:hover .heroImg{transform:scale(1.03)}

.stat{padding:16px; display:grid; gap:6px}
.stat strong{display:block; font-size:18px}
.stat span{display:block; color:var(--muted); font-size:12px}

.feature{padding:14px}
.feature h3{margin:8px 0 6px; font-size:16px}
.feature p{margin:0; color:var(--muted); font-size:13px; line-height:1.75}
.icon{width:40px; height:40px; border-radius:14px; display:grid; place-items:center; background:rgba(26,109,255,.14); border:1px solid rgba(26,109,255,.35); font-weight:700}

.phoneStage{position:relative; padding:18px}
.phoneFrame{border-radius:28px; border:1px solid var(--line); background:rgba(255,255,255,.7); padding:10px; box-shadow:var(--shadow)}
.carousel{position:relative; overflow:hidden}
.track{display:flex; transition:transform .55s cubic-bezier(.2,.8,.2,1)}
.slide{min-width:100%}
.ctrls{display:flex; gap:10px; margin-top:12px}
.ctrls .btn{padding:8px 12px}

.list{display:grid; gap:10px}
.item{border:1px solid var(--line); background:var(--card2); border-radius:16px; padding:12px}
.item strong{display:block; font-size:14px}
.item p{margin:6px 0 0; color:var(--muted); font-size:13px; line-height:1.75}

.banner{position:relative; overflow:hidden}
.banner img{height:240px; object-fit:cover; width:100%}
.banner .overlay{position:absolute; inset:0; background:linear-gradient(90deg, rgba(255,255,255,.85), rgba(255,255,255,.15))}
.banner .content{position:absolute; inset:0; display:flex; align-items:center}

.faq details{border:1px solid var(--line); background:var(--card2); border-radius:16px; padding:10px 12px}
.faq summary{cursor:pointer; font-weight:600; font-size:13px}
.faq p{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.75}

.footer{border-top:1px solid var(--line); padding:22px 0 40px; color:var(--muted); font-size:12px}

.floatBtn{position:fixed; right:14px; bottom:16px; z-index:60; display:inline-flex; align-items:center; gap:8px; padding:12px 14px; border-radius:999px; border:1px solid rgba(26,109,255,.6); background:linear-gradient(90deg, rgba(26,109,255,.95), rgba(0,215,255,.95)); color:#fff; box-shadow:var(--shadow); transform:translateZ(0)}
.floatBtn span{font-size:13px}
@media (min-width: 980px){.floatBtn{display:none}}

.reveal{opacity:0; transform:translateY(18px) scale(.98); transition:all .7s ease}
.reveal.on{opacity:1; transform:translateY(0) scale(1)}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1; transform:none}
  .orb{animation:none}
  .track{transition:none}
}
/* Footer mega */
.footer{
  border-top:1px solid var(--line);
  padding:32px 0 48px;
  color:var(--muted);
  font-size:12px;
}
.footer-wrap{display:grid; gap:22px}
.footer-top{display:grid; gap:18px}
.footer-brand{display:grid; gap:12px}
.footer-brand .logo{display:flex; align-items:center; gap:12px}
.footer-brand .logo img{width:48px; height:48px; border-radius:14px; box-shadow:var(--shadow)}
.footer-brand .logo strong{font-size:22px; color:var(--ink); letter-spacing:.3px}
.footer-brand p{margin:0; font-size:13px; line-height:1.8}

.footer-cols{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.footer-col h4{margin:0 0 10px; font-size:14px; color:var(--ink)}
.footer-links{display:grid; gap:8px}
.footer-links a{color:var(--muted); font-size:13px; transition:color .2s ease}
.footer-links a:hover{color:var(--ink)}

.footer-actions{display:grid; gap:10px}
.footer-actions .btn{justify-content:flex-start}
.footer-actions .btn span{font-weight:600}

.footer-social{display:flex; flex-wrap:wrap; gap:8px}
.footer-social a{width:34px; height:34px; border-radius:10px; display:grid; place-items:center; background:#0f1b2e; color:#fff; font-size:12px; box-shadow:var(--shadow)}
.footer-social a.light{background:#fff; color:#0b1b33; border:1px solid var(--line)}

.footer-badges{display:flex; gap:10px; flex-wrap:wrap}
.footer-badges img{height:48px; width:auto}

.footer-bottom{display:flex; flex-wrap:wrap; gap:10px; align-items:center; justify-content:space-between; border-top:1px solid var(--line); padding-top:14px}
.footer-bottom small{color:var(--muted)}

@media (min-width: 980px){
  .footer-top{grid-template-columns:1.1fr 1.9fr .9fr}
  .footer-cols{grid-template-columns:repeat(5,1fr)}
}

@media (max-width: 640px){
  .footer-brand .logo strong{font-size:18px}
  .footer-actions .btn{width:100%}
}


/* Footer mega v2 */
.footer{background:rgba(244,248,255,.8)}
.footer-top{align-items:start}
.footer-cols{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.footer-actions{display:grid; gap:10px}
.footer-actions .pill{border-radius:999px; padding:11px 16px}
.footer-actions .pill.primary{color:#fff}
.footer-actions .pill.ghost{background:rgba(255,255,255,.6)}

.footer-side{display:grid; gap:14px}
.footer-search{display:flex; align-items:center; gap:10px; border-radius:999px; padding:10px 14px; background:#fff; border:1px solid var(--line); box-shadow:var(--shadow)}
.footer-search .dot{width:10px; height:10px; border-radius:999px; background:var(--pri); box-shadow:0 0 0 4px rgba(26,109,255,.16)}
.footer-search input{border:none; outline:none; flex:1; font-size:13px; background:transparent; color:var(--ink)}

.footer-social{display:flex; flex-wrap:wrap; gap:8px}
.footer-social a{width:36px; height:36px; border-radius:12px; display:grid; place-items:center; background:#0f1b2e; color:#fff; font-size:12px; box-shadow:var(--shadow); transition:transform .2s ease}
.footer-social a:hover{transform:translateY(-2px)}

.footer-badges{display:flex; gap:10px; flex-wrap:wrap}
.footer-badges img{height:46px; width:auto}

@media (min-width: 980px){
  .footer-top{grid-template-columns:1.15fr 2.2fr .9fr}
  .footer-cols{grid-template-columns:repeat(5,1fr)}
}

@media (max-width: 640px){
  .footer-actions .pill{width:100%}
  .footer-search{order:2}
}