:root{
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#14213d;
  --muted:#657089;
  --primary:#2457d6;
  --primary-dark:#1943ad;
  --accent:#18a779;
  --border:#e4e8f0;
  --shadow:0 18px 50px rgba(20,33,61,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}
a{text-decoration:none;color:inherit}
.container{width:min(1120px,calc(100% - 40px));margin:auto}
header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(228,232,240,.9);
}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px}
.logo{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary),#4f7cff);
  display:grid;place-items:center;color:#fff;font-weight:900;
  box-shadow:0 8px 20px rgba(36,87,214,.25);
}
nav{display:flex;align-items:center;gap:22px;font-size:14px;color:#48536b}
.actions{display:flex;gap:10px;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 18px;border-radius:12px;font-weight:700;
  border:1px solid transparent;transition:.2s ease;cursor:pointer;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-light{background:#fff;border-color:var(--border);color:var(--text)}
.btn-light:hover{border-color:#cdd4e3}
.hero{padding:92px 0 68px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 11px;background:#eaf0ff;color:var(--primary);
  border-radius:999px;font-size:13px;font-weight:800;margin-bottom:18px
}
h1{font-size:clamp(42px,6vw,68px);line-height:1.04;letter-spacing:-2.5px;margin:0 0 22px}
h2{font-size:clamp(30px,4vw,44px);line-height:1.1;letter-spacing:-1.4px;margin:0 0 16px}
.lead{font-size:19px;color:var(--muted);max-width:660px;margin:0 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{
  background:var(--card);border:1px solid var(--border);border-radius:24px;
  box-shadow:var(--shadow);padding:20px;
}
.browser{
  border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff
}
.browser-top{height:44px;background:#f6f7fa;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:6px;padding:0 14px}
.dot{width:9px;height:9px;border-radius:50%;background:#d7dbe3}
.browser-body{padding:22px}
.mini-title{font-size:24px;font-weight:800;margin-bottom:4px}
.mini-muted{color:var(--muted);font-size:14px}
.mini-card{margin-top:18px;padding:16px;border-radius:14px;background:#f7f9fd;border:1px solid var(--border)}
.mini-row{display:flex;justify-content:space-between;gap:16px;margin:9px 0;font-size:14px}
.ok{color:var(--accent);font-weight:800}
.section{padding:76px 0}
.center{text-align:center}
.section-intro{color:var(--muted);max-width:700px;margin:0 auto 34px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:#fff;border:1px solid var(--border);border-radius:18px;padding:25px;
  box-shadow:0 10px 30px rgba(20,33,61,.04)
}
.icon{width:44px;height:44px;border-radius:12px;background:#edf2ff;color:var(--primary);display:grid;place-items:center;font-weight:900;margin-bottom:16px}
.card h3{margin:0 0 8px;font-size:19px}
.card p{margin:0;color:var(--muted);font-size:15px}
.alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cta{
  padding:38px;border-radius:24px;
  background:linear-gradient(135deg,#153b9c,#2b67ee);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px
}
.cta p{margin:6px 0 0;color:rgba(255,255,255,.78)}
.cta .btn{background:#fff;color:#163c9c}
footer{padding:34px 0;color:#7b8498;font-size:14px}
.footer-row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* portal */
.portal-body{min-height:100vh;background:linear-gradient(180deg,#f5f7fb 0,#eef2f8 100%)}
.portal-wrap{min-height:calc(100vh - 73px);display:grid;place-items:center;padding:40px 20px}
.login-shell{width:min(960px,100%);display:grid;grid-template-columns:1fr .82fr;background:#fff;border:1px solid var(--border);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.login-info{padding:46px;background:linear-gradient(150deg,#153b9c,#2b67ee);color:white}
.login-info h1{font-size:42px;letter-spacing:-1.6px}
.login-info p{color:rgba(255,255,255,.82)}
.login-points{margin-top:28px;display:grid;gap:13px}
.login-point{display:flex;gap:11px;align-items:flex-start}
.check{width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.16);display:grid;place-items:center;flex:0 0 22px;font-size:12px}
.login-panel{padding:46px}
.login-panel h2{font-size:30px}
.form-group{margin:16px 0}
label{display:block;font-size:13px;font-weight:800;margin-bottom:7px}
input{
  width:100%;height:48px;border:1px solid #d9deea;border-radius:11px;
  padding:0 13px;font:inherit;outline:none
}
input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,87,214,.12)}
.full{width:100%;margin-top:8px}
.small{font-size:13px;color:var(--muted)}
.portal-links{display:flex;justify-content:space-between;gap:14px;margin-top:16px;font-size:13px}
.portal-links a{color:var(--primary);font-weight:700}
.notice{margin-top:22px;padding:13px 14px;border-radius:11px;background:#f7f9fd;border:1px solid var(--border);font-size:12.5px;color:var(--muted)}

@media (max-width:820px){
  nav{display:none}
  .hero{padding-top:58px}
  .hero-grid,.cards,.login-shell{grid-template-columns:1fr}
  .login-info{display:none}
  .cta{align-items:flex-start;flex-direction:column}
}
@media (max-width:520px){
  .container{width:min(100% - 26px,1120px)}
  .actions .btn-light{display:none}
  h1{font-size:42px;letter-spacing:-1.7px}
  .hero-actions .btn{width:100%}
  .login-panel{padding:30px 22px}
}