:root{--bg: #eef2f7;--card: #ffffff;--ink: #1f2937;--muted: #6b7280;--accent: #1e3a5f;--accent-ink: #ffffff;--line: #d7dde6;--error: #b42318;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--ink)}.page{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:center;padding:12px 12px 24px}.lang-bar{display:flex;gap:6px;margin-bottom:10px}.lang-btn{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer;color:var(--ink)}.lang-btn.active{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.card{width:100%;max-width:520px;background:var(--card);border-radius:var(--radius);padding:22px 18px;box-shadow:0 8px 30px #0f172a14}h1{font-size:20px;margin:0 0 6px}.muted{color:var(--muted);font-size:14px;margin:4px 0}.agent-line{font-weight:600;color:var(--accent)}.center{text-align:center}.powered{margin-top:14px;font-size:12px}form{display:flex;flex-direction:column;gap:12px;margin-top:10px}label{display:flex;flex-direction:column;gap:4px;font-size:14px;font-weight:500}input,select{border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:16px;background:#fff;color:var(--ink);width:100%}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}.req{color:var(--error);margin-inline-start:2px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid3{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:10px}@media (max-width: 420px){.grid3{grid-template-columns:1fr 1fr}}.hint{font-size:12px;color:var(--muted);margin-top:-6px}.error{background:#fef3f2;color:var(--error);border:1px solid #fecdca;border-radius:10px;padding:10px 12px;font-size:14px}.submit{background:var(--accent);color:var(--accent-ink);border:none;border-radius:12px;padding:14px;font-size:17px;font-weight:700;cursor:pointer;margin-top:4px}.submit:disabled{opacity:.6}.check{width:56px;height:56px;border-radius:50%;background:#dcfae6;color:#079455;font-size:30px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.ac-box{position:relative}.ac-list{position:absolute;inset-inline:0;top:100%;margin-top:4px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px #0f172a26;max-height:240px;overflow-y:auto;z-index:20}.ac-item{display:block;width:100%;text-align:start;background:none;border:none;padding:11px 12px;font-size:15px;cursor:pointer;color:var(--ink)}.ac-item:hover,.ac-item:focus{background:#f1f5f9}