:root{--ink:#0B1A37;--brand:#1E90FF;--bg:#F4F7FB;--card:#FFFFFF;--line:#E3E8EF;--muted:#5B6B82}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial;background:var(--bg);color:var(--ink)}
a{color:inherit}.site-header{padding:14px 16px;background:var(--ink);color:#fff;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:10}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}.logo img{height:36px}.logo-text{font-weight:800;font-size:18px;letter-spacing:.3px}
.topnav{margin-left:auto;display:flex;gap:12px;align-items:center}.topnav a{color:#fff;text-decoration:none;border-bottom:2px solid transparent;padding-bottom:2px}
.topnav a:hover{border-color:var(--brand)}.btn.gisd{color:#fff;border:1px solid var(--brand);padding:6px 10px;border-radius:999px;text-decoration:none}
.container{max-width:1080px;margin:20px auto;padding:0 16px}.hero{padding:24px 16px;background:linear-gradient(180deg,#fff,#F7FAFF);border:1px solid var(--line);border-radius:14px}
.hero h1{margin:0 0 10px 0;font-size:28px}.hero p{margin:0}.cta-row{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 14px;border-radius:12px;text-decoration:none;border:2px solid var(--ink)}.btn.primary{background:var(--ink);color:#fff}.btn.secondary{background:#fff;color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:18px}.card{padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--card);box-shadow:0 2px 8px rgba(0,0,0,.04)}
.form{display:grid;gap:10px;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--card);margin-bottom:16px}label{display:grid;gap:6px}
input,select,textarea{padding:10px;border:1px solid #cbd5e1;border-radius:12px}textarea{min-height:120px}.note{color:var(--muted);font-size:13px}
.footer{margin-top:36px;padding:16px 20px;border-top:1px solid var(--line);color:var(--muted)}.notice{background:#F7FBFF;border:1px solid #CFE8FF}
.badge{display:inline-block;margin-top:8px;background:var(--ink);color:#fff;padding:6px 10px;border-radius:999px}.pre{white-space:pre-wrap;background:#0B1A37;color:#C7E1FF;padding:10px;border-radius:10px;min-height:80px}
.fab{position:fixed;right:18px;bottom:18px;background:var(--brand);color:#fff;padding:12px 16px;border-radius:999px;text-decoration:none;box-shadow:0 6px 16px rgba(0,0,0,.2);font-weight:700}
.fab:hover{transform:translateY(-2px)}.marquee{overflow:hidden;white-space:nowrap}.marquee .inner{display:inline-block;padding-left:100%;animation:scroll 22s linear infinite}
@keyframes scroll{0%{transform:translateX(0)}100%{transform:translateX(-100%)}}.center{text-align:center}.hidden{display:none}
.otp-wall{display:grid;gap:12px;max-width:420px;margin:40px auto;padding:20px;border:1px dashed #cbd5e1;border-radius:14px;background:var(--card)}
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.plan{border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px}
.plan h4{margin:4px 0}.plan .tag{font-size:12px;color:var(--muted)}