:root{--bg1:#0b1022;--bg2:#0b1228;--text:#e5e7eb;--muted:#9ca3af;--border:rgba(255,255,255,.10);--brand1:#38bdf8;--brand2:#22c55e;--radius:16px;--shadow:0 12px 36px rgba(0,0,0,.45)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial;color:var(--text);background:radial-gradient(900px 500px at 110% 10%,rgba(56,189,248,.18) 0%,transparent 40%),radial-gradient(900px 500px at -10% -10%,rgba(34,197,94,.18) 0%,transparent 40%),linear-gradient(180deg,var(--bg1),var(--bg2));min-height:100%;display:flex;align-items:center;justify-content:center;padding:16px}.container{width:100%;max-width:520px}.card{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.header{display:flex;align-items:center;gap:12px;padding:16px 16px 8px}.logo{width:44px;height:44px;border-radius:12px;overflow:hidden;border:1px solid var(--border);box-shadow:inset 0 0 30px rgba(56,189,248,.25)}.brand h1{margin:0;font-size:18px}.brand .sub{color:var(--muted);font-size:13px}.hero{padding:16px}.notice{background:rgba(56,189,248,.10);border:1px dashed rgba(56,189,248,.45);color:#c7e9ff;padding:10px 12px;border-radius:12px;font-size:13px;margin-bottom:12px}.form-group{display:grid;gap:8px;margin-bottom:12px}label{font-size:13px;color:var(--muted)}input[type="tel"]{width:100%;padding:14px;border-radius:12px;border:1px solid var(--border);background:#0b1022;color:var(--text);font-size:16px;outline:none}input[type="tel"]:focus{border-color:var(--brand1);box-shadow:0 0 0 3px rgba(56,189,248,.25)}.plan-grid{display:grid;gap:10px}.plan{display:grid;grid-template-columns:1fr auto;align-items:center;padding:12px;border-radius:12px;border:1px solid var(--border);background:linear-gradient(180deg,rgba(34,197,94,.06),rgba(34,197,94,.02))}.plan h3{margin:0;font-size:16px}.plan p{margin:2px 0 0 0;font-size:12.5px;color:var(--muted)}.plan input{transform:scale(1.2)}.kv{font-size:13px;color:var(--muted)}.kv b{color:var(--text)}.button{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px;font-weight:700;font-size:16px;border-radius:12px;border:1px solid var(--border);background:linear-gradient(180deg,rgba(56,189,248,.3),rgba(56,189,248,.12));color:white;cursor:pointer}.button[disabled]{opacity:.7;cursor:not-allowed}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.6);border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite}.message{font-size:13px}.msg-ok{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.5);color:#bbf7d0;padding:10px 12px;border-radius:12px}.msg-err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.5);color:#fecaca;padding:10px 12px;border-radius:12px}.footer{padding:14px;text-align:center;color:var(--muted);font-size:12.5px;border-top:1px solid var(--border)}.footer a{color:#93c5fd;text-decoration:none;margin:0 6px}.footer a:hover{text-decoration:underline}@keyframes spin{to{transform:rotate(360deg)}}