.body {
            margin: 0;
            font-family: Segoe UI, system-ui, sans-serif;
            background: #f2f4f8;
        }
        .page-wrap {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .card {
            width: 420px;
            background: #fff;
            padding: 28px;
            border-radius: 14px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.2);
        }
        h2 {
            margin: 0 0 6px;
            font-size: 24px;
            font-weight: 700;
        }
        .subtitle {
            font-size: 14px;
            color: #555;
            margin-bottom: 22px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 6px;
            display: block;
        }
        .phone-input {
            display: flex;
        }
        .phone-input span {
            padding: 12px;
            background: #f1f1f1;
            border: 1px solid #ccc;
            border-right: none;
            border-radius: 8px 0 0 8px;
        }
        .phone-input input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 0 8px 8px 0;
        }
        .primary-btn {
            width: 100%;
            padding: 14px;
            border-radius: 10px;
            border: none;
            background: linear-gradient(135deg, #ff5722, #e53935);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
        }
        .msg {
            font-size: 13px;
            color: #d32f2f;
            margin-bottom: 12px;
        }
        .login-link {
            text-align: center;
            margin-top: 18px;
            font-size: 13px;
        }
        .login-link a {
            color: #0056ff;
            text-decoration: none;
            font-weight: 600;
        }
        #step2 {
            display: none;
        }