:root{--mbh:#0d6efd;--mbh600:#0b5ed7;--bg:#f7fbff;--card:#fff;--text:#0b2447;--muted:#5b6b7a;--ring:rgba(13,110,253,.25)}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Poppins,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:24px}
.nav{display:flex;gap:10px;align-items:center;justify-content:flex-end;padding:14px 18px;background:rgba(255,255,255,.7);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid #e9eef9;position:sticky;top:0;z-index:10}
.nav .left{margin-right:auto;font-weight:700;display:flex;gap:10px;align-items:center}
.logo{width:34px;height:34px;background:#eaf2ff;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;color:#0d6efd}
.hero{min-height:85vh;display:flex;align-items:center;justify-content:center;padding:32px}
.card{background:var(--card);border:1px solid #e7eefb;border-radius:20px;padding:24px;box-shadow:0 10px 30px rgba(13,110,253,.08),0 4px 12px rgba(0,0,0,.05)}
h1{font-size:clamp(26px,4vw,38px);margin:8px 0}
.subtitle{color:var(--muted);font-size:clamp(14px,2.2vw,16px)}
.form{display:grid;gap:12px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:900px){.row2,.row3{grid-template-columns:1fr}}
.label{font-weight:600;font-size:14px}
.input,textarea,select{width:100%;padding:12px 14px;border:1px solid #e0e7f5;border-radius:12px;background:#fff;outline:none;transition:.2s}
.input:focus,textarea:focus,select:focus{border-color:var(--mbh);box-shadow:0 0 0 4px var(--ring)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--mbh);color:#fff;border:none;border-radius:14px;padding:12px 16px;font-weight:600;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 20px rgba(13,110,253,.25);background:var(--mbh600)}
.btn-ghost{background:#eef4ff;color:var(--mbh)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.grid3{grid-template-columns:1fr}}
.badge{display:inline-flex;gap:6px;background:#eef4ff;color:#0b5ed7;border-radius:999px;padding:6px 10px;font-weight:600;font-size:12px;border:1px solid #dfe8ff}
.helper{font-size:12px;color:var(--muted)}
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #e6edfa;border-radius:12px;overflow:hidden}
.table th,.table td{padding:10px;border-bottom:1px solid #eef2ff;text-align:left;font-size:14px}
.table th{background:#f4f7ff}
.sig{border:1px dashed #c5d4ff;border-radius:12px;background:#fff;height:180px;width:100%;touch-action:manipulation}
.hidden{display:none!important}
.footer{margin-top:24px;color:var(--muted);font-size:12px}