:root{
  --blue:#5BA8FF;
  --blue-2:#2E80F0;
  --blue-3:#EAF6FF;
  --mint:#6ED6B7;
  --mint-2:#E9FBF6;
  --charcoal:#2B2F36;
  --ink:#202936;
  --muted:#6B7788;
  --soft:#F5FAFF;
  --line:#E5EEF8;
  --white:#fff;
  --danger:#F36B6B;
  --warn:#F8B84E;
  --shadow:0 22px 60px rgba(55,112,174,.14);
  --shadow-soft:0 10px 30px rgba(47,101,158,.10);
  --radius:24px;
  --max:1300px;
  --font:"Segoe UI","Malgun Gothic","Apple SD Gothic Neo",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(91,168,255,.14), transparent 25%),
    radial-gradient(circle at 92% 14%, rgba(110,214,183,.18), transparent 24%),
    linear-gradient(180deg,#F9FCFF 0%,#F4FAFF 55%,#FFFFFF 100%);
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(var(--max), calc(100% - 64px));margin:0 auto}
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(226,237,248,.9);
}
.nav{
  height:86px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:10px}
.logo img{width:118px;height:auto}
.nav-menu{display:flex;align-items:center;gap:40px;font-weight:800;font-size:16px;color:#1F2937}
.nav-menu a{position:relative;padding:32px 0}
.nav-menu a.active::after,
.nav-menu a:hover::after{
  content:"";
  position:absolute;left:0;right:0;bottom:18px;
  height:3px;border-radius:999px;
  background:linear-gradient(90deg,var(--blue),var(--mint));
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:0;border-radius:14px;
  min-height:54px;
  padding:0 24px;
  font-weight:900;
  font-size:16px;
  cursor:pointer;
  color:#263241;
  background:#fff;
  box-shadow:0 10px 24px rgba(56,103,153,.12), inset 0 0 0 1px #DDEAF8;
}
.btn.primary{
  color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--blue-2));
  box-shadow:0 18px 34px rgba(46,128,240,.28);
}
.btn.mint{
  color:#fff;
  background:linear-gradient(135deg,var(--mint),#35B995);
  box-shadow:0 18px 34px rgba(53,185,149,.24);
}
.btn.light{background:#fff;color:#2E80F0}
.btn.small{min-height:44px;padding:0 18px;font-size:14px;border-radius:12px}
.nav-toggle{display:none;background:none;border:0;font-size:30px;line-height:1;cursor:pointer;color:#2B2F36;padding:4px 6px}
.hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 52px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 50% 20%, rgba(255,255,255,.9), transparent 26%),
    linear-gradient(180deg,#EAF7FF 0%,rgba(234,247,255,.35) 82%,transparent 100%);
  z-index:-2;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  align-items:center;
  gap:48px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(91,168,255,.12);
  border:1px solid rgba(91,168,255,.25);
  color:#217ADD;
  font-weight:900;
  font-size:14px;
}
.hero h1{
  margin:22px 0 22px;
  font-size:64px;
  line-height:1.12;
  letter-spacing:-.055em;
}
.hero h1 em{font-style:normal;color:var(--blue-2)}
.hero p.lead{
  margin:0 0 30px;
  color:#4F5F72;
  font-size:21px;
  line-height:1.72;
  letter-spacing:-.02em;
}
.hero-actions{display:flex;gap:16px;align-items:center;margin-bottom:18px}
.subnote{display:flex;gap:16px;flex-wrap:wrap;color:#7A8797;font-size:14px}
.hero-art{
  position:relative;
  min-height:470px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-art .mascot{width:min(92%,560px)}
.app-preview{
  position:absolute;
  right:0;
  top:28px;
  width:430px;
  border-radius:24px;
  background:rgba(255,255,255,.88);
  border:1px solid rgba(210,228,246,.98);
  box-shadow:var(--shadow);
  padding:18px;
}
.preview-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.preview-logo{font-weight:900;color:#2D80EA;font-size:22px}
.preview-dots span{display:inline-block;width:8px;height:8px;border-radius:50%;background:#BAC7D5;margin-left:6px}
.preview-tools{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:18px}
.tool{
  background:#F7FBFF;
  border:1px solid #E7F0FA;
  border-radius:14px;
  padding:10px 6px;
  text-align:center;
  font-size:12px;
  color:#4D5C6C;
}
.tool b{display:block;font-size:22px;margin-bottom:4px}
.preview-list{
  border:1px solid #E7F0FA;
  border-radius:16px;
  overflow:hidden;
}
.preview-row{
  display:grid;
  grid-template-columns:1fr 80px 80px;
  gap:10px;
  padding:13px 14px;
  border-bottom:1px solid #EDF3FA;
  font-size:13px;
}
.preview-row:last-child{border-bottom:0}
.preview-row span:first-child{font-weight:800}
.section{padding:74px 0}
.section-title{text-align:center;margin-bottom:34px}
.section-title h2{
  margin:0 0 12px;
  font-size:42px;
  letter-spacing:-.045em;
}
.section-title h2 em{font-style:normal;color:var(--blue-2)}
.section-title p{
  margin:0 auto;
  max-width:720px;
  color:var(--muted);
  font-size:18px;
  line-height:1.65;
}
.card{
  background:rgba(255,255,255,.94);
  border:1px solid rgba(224,236,248,.95);
  border-radius:var(--radius);
  box-shadow:var(--shadow-soft);
}
.quick-strip{
  margin-top:24px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.quick-item{
  padding:34px 26px;
  text-align:center;
  border-right:1px solid var(--line);
}
.quick-item:last-child{border-right:0}
.icon-circle{
  width:76px;height:76px;border-radius:50%;
  display:grid;place-items:center;
  margin:0 auto 18px;
  background:linear-gradient(135deg,#EEF7FF,#EBFBF7);
  color:#2E80F0;
  font-size:34px;
}
.quick-item h3{margin:0 0 10px;font-size:21px}
.quick-item p{margin:0;color:var(--muted);line-height:1.55}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{
  padding:30px 24px;
  text-align:center;
  min-height:230px;
}
.feature-card h3{font-size:21px;margin:0 0 12px}
.feature-card p{margin:0;color:var(--muted);line-height:1.65}
.feature-card .icon-circle{margin-bottom:22px}
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  align-items:center;
}
.panel{
  padding:44px;
}
.panel h2{margin:0 0 18px;font-size:40px;letter-spacing:-.045em}
.panel h2 em{font-style:normal;color:var(--blue-2)}
.panel p{margin:0;color:var(--muted);font-size:18px;line-height:1.7}
.check-list{margin:24px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.check-list li{display:flex;align-items:flex-start;gap:10px;color:#3B4959;font-weight:700}
.check-list li::before{
  content:"✓";
  flex:0 0 24px;height:24px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--mint);
  color:#fff;
  font-size:14px;
}
.steps{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:16px}
.step{
  padding:28px;
  display:flex;gap:18px;align-items:center;
}
.step-num{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--blue-2));
  color:#fff;font-weight:900;
}
.arrow{font-size:36px;color:#B7CDE4}
.cta{
  padding:42px 54px;
  background:linear-gradient(135deg,#5BA8FF,#2E80F0);
  color:#fff;
  border-radius:26px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  overflow:hidden;
  position:relative;
}
.cta::before{
  content:"";position:absolute;right:-80px;top:-90px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.13);
}
.cta h2{margin:0 0 8px;font-size:34px;letter-spacing:-.04em}
.cta p{margin:0;opacity:.9;font-size:18px}
.footer{
  border-top:1px solid var(--line);
  background:#fff;
  padding:36px 0;
}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:24px}
.footer-logo img{width:112px}
.footer-links{display:flex;gap:22px;flex-wrap:wrap;color:#687585;font-size:14px}
.footer-copy{color:#8A96A5;font-size:13px;margin-top:14px}
.page-hero{
  padding:76px 0;
  background:linear-gradient(180deg,#EAF7FF 0%,rgba(234,247,255,.4) 100%);
}
.badge-row{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:0;
  overflow:hidden;
}
.badge-card{
  padding:30px 18px;
  text-align:center;
  border-right:1px solid var(--line);
}
.badge-card:last-child{border-right:0}
.badge-card b{display:block;font-size:21px;margin:12px 0 6px}
.badge-card span{color:var(--muted)}
.download-box{
  display:grid;
  grid-template-columns:240px 1fr 1fr;
  gap:34px;
  align-items:center;
  padding:42px;
}
.download-icon{
  width:190px;height:190px;border-radius:34px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#F3FAFF,#FFFFFF);
  border:1px solid var(--line);
}
.download-info h2{font-size:34px;margin:0 0 8px}
.download-info .version{display:inline-block;margin-left:8px;padding:5px 10px;border-radius:999px;background:#EAF6FF;color:#2E80F0;font-weight:900;font-size:13px}
.meta-list{display:grid;gap:14px}
.meta{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding-bottom:14px}
.meta b{color:#566477}
.meta span{color:#2B3441;font-weight:700}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}
.faq-q{
  width:100%;
  background:#fff;
  border:0;
  padding:22px 24px;
  text-align:left;
  display:flex;
  justify-content:space-between;
  align-items:center;
  cursor:pointer;
  font-size:18px;
  font-weight:900;
  color:var(--ink);
}
.faq-q span{font-size:20px;color:#90A2B5;transition:transform .2s ease}
.faq-item.open .faq-q span{transform:rotate(180deg)}
.faq-a{
  display:none;
  padding:0 24px 22px;
  color:var(--muted);
  line-height:1.7;
}
.faq-item.open .faq-a{display:block}
.search-box{
  display:grid;
  grid-template-columns:1fr 130px;
  gap:12px;
  padding:18px;
  border-radius:24px;
}
.search-box input{
  width:100%;
  border:1px solid var(--line);
  border-radius:16px;
  font-size:18px;
  padding:0 20px;
  outline:none;
}
.support-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.support-card{padding:32px}
.support-card h3{margin:0 0 12px;font-size:23px}
.support-card p{margin:0;color:var(--muted);line-height:1.6}
.report-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:18px;
}
.report-table th,.report-table td{
  padding:16px;
  border-bottom:1px solid var(--line);
  text-align:left;
  font-size:15px;
}
.report-table th{background:#F5FAFF;color:#506174}
.report-table tr:last-child td{border-bottom:0}
.status{display:inline-flex;padding:5px 9px;border-radius:999px;font-weight:900;font-size:12px}
.status.ok{background:#E9FBF6;color:#1EA984}
.status.warn{background:#FFF6E3;color:#BC7B0B}
.status.danger{background:#FFEDED;color:#D94747}
.upload-demo{
  border:1px solid var(--line);
  border-radius:24px;
  padding:28px;
  background:#fff;
}
.dropzone{
  border:2px dashed #CFE0F2;
  border-radius:20px;
  min-height:170px;
  display:grid;
  place-items:center;
  text-align:center;
  color:#738295;
  background:#FAFDFF;
}
.progress{
  height:12px;border-radius:999px;background:#E8F2FC;overflow:hidden;margin:18px 0 8px;
}
.progress span{display:block;height:100%;width:68%;background:linear-gradient(90deg,var(--blue),var(--mint))}
.link-box{
  margin-top:18px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:10px;
  background:#F3FAFF;
  border:1px solid #CFE5FC;
  border-radius:16px;
  padding:12px;
}
.link-box input{
  border:0;background:transparent;font-weight:800;color:#2E80F0;outline:none
}
@media(max-width:1000px){
  .container{width:min(100% - 36px, var(--max))}
  .logo{margin-right:auto}
  .nav-toggle{display:block;margin-left:10px}
  .nav-menu{
    display:none;
    position:absolute;top:86px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-soft);
    padding:6px 0;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:15px 32px}
  .nav-menu a.active::after,.nav-menu a:hover::after{display:none}
  .hero-grid,.split,.download-box{grid-template-columns:1fr}
  .hero h1{font-size:48px}
  .app-preview{position:relative;width:100%;top:auto;margin-top:24px}
  .quick-strip,.grid-6,.grid-5,.grid-4,.support-cards,.badge-row{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .arrow{display:none}
  .cta{display:block;text-align:center}
  .cta .btn{margin-top:22px}
}
@media(max-width:640px){
  .quick-strip,.grid-6,.grid-5,.grid-4,.support-cards,.badge-row{grid-template-columns:1fr}
  .hero h1{font-size:38px}
  .hero p.lead{font-size:17px}
  .header .btn{display:none}
}