:root{
  --navy:#0b2545;
  --navy-2:#123a63;
  --blue:#1d6fb8;
  --blue-d:#1663a8;
  --red:#a4161a;
  --amber:#fef3c7;
  --bg:#eef2f7;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#64748b;
  --border:#d7dee8;
  --ok:#15803d;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,#eef2f7 0%,#dbe4ef 100%);color:var(--text);min-height:100vh;display:flex;flex-direction:column}
.sim-banner{background:var(--red);color:#fff;padding:10px 16px;text-align:center;font-size:13px;font-weight:700;letter-spacing:.2px}
.sim-banner span{font-weight:400;opacity:.95}
.site-header{background:linear-gradient(90deg,var(--navy),var(--navy-2));color:#fff;padding:14px 24px;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.3px}
.brand .mark{width:26px;height:26px;border-radius:6px;background:#fff;color:var(--navy);display:grid;place-items:center;font-size:14px}
.site-header .tag{margin-left:auto;font-size:12px;opacity:.85;text-transform:uppercase;letter-spacing:1px}
.wrap{flex:1;display:flex;justify-content:center;align-items:flex-start;padding:40px 16px}
.card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 30px rgba(11,37,69,.12);padding:32px 28px;margin-top:12px}
.card.wide{max-width:720px}
.lock{width:52px;height:52px;border-radius:50%;background:#eaf1f9;display:grid;place-items:center;font-size:24px;margin:0 auto 14px}
h1{font-size:21px;margin:0 0 8px;text-align:center;color:var(--navy)}
h1.left,h2{text-align:left}
h2{font-size:16px;margin:26px 0 8px;color:var(--navy)}
.sub{color:var(--muted);text-align:center;font-size:14px;margin:0 0 20px;line-height:1.55}
.sub.left{text-align:left}
label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px;color:#334155}
input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fbfdff}
input:focus{outline:2px solid #bfdbfe;border-color:var(--blue)}
.btn{display:block;text-align:center;width:100%;margin-top:20px;padding:12px;background:var(--blue);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--blue-d)}
.hint{font-size:12.5px;color:var(--muted);text-align:center;margin-top:16px}
.notice{background:var(--amber);border:1px solid #f6d68a;color:#7c5800;border-radius:8px;padding:10px 12px;font-size:12.5px;line-height:1.5;margin-top:18px}
.site-footer{background:#0b2545;color:#9fb3c8;font-size:12px;text-align:center;padding:16px}
ul{line-height:1.7;padding-left:20px}
.flag{display:flex;gap:10px;margin:10px 0}
.flag .num{flex:0 0 24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700}
.badge{display:inline-block;background:#dcfce7;color:var(--ok);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700}
table{width:100%;border-collapse:collapse;margin-top:10px;font-size:13px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:600}
a{color:var(--blue)}
p{line-height:1.6}