/** 页面级样式（迁移自 pages/register.php 内联 style 块） */

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: "Microsoft YaHei", sans-serif;
            background: linear-gradient(135deg, #4e73df, #224abe);
            color: #333;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px 0;
        }
        .register-container {
            width: 90%;
            max-width: 400px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .register-title {
            font-size: 28px;
            color: white;
            margin-bottom: 30px;
            font-weight: bold;
            text-align: center;
        }
        .register-box {
            width: 100%;
            background: white;
            padding: 25px 20px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .logo-icon {
            width: 60px;
            height: 60px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        .logo-icon i {
            font-size: 30px;
            color: #4e73df;
        }
        .referrer-info {
            background: #fee;
            color: #f56c6c;
            padding: 10px;
            border-radius: 6px;
            margin-bottom: 15px;
            font-size: 13px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            margin-bottom: 6px;
            font-size: 14px;
            color: #666;
        }
        .form-group input {
            width: 100%;
            height: 42px;
            border: 1px solid #eee;
            border-radius: 8px;
            padding: 0 15px;
            font-size: 14px;
            outline: none;
            transition: border-color 0.3s;
        }
        .form-group input:focus {
            border-color: #4e73df;
        }
        .btn-register {
            width: 100%;
            height: 48px;
            background: #4e73df;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            margin-top: 10px;
            transition: background 0.3s;
        }
        .btn-register:hover {
            background: #3d5fc4;
        }
        .login-link {
            margin-top: 15px;
            text-align: center;
            font-size: 13px;
            color: #999;
        }
        .login-link a {
            color: #4e73df;
            text-decoration: none;
        }
        .alert {
            padding: 10px;
            border-radius: 6px;
            margin-bottom: 15px;
            font-size: 13px;
        }
        .alert-danger {
            background: #fee;
            color: #f56c6c;
        }
        .alert-success {
            background: #d4edda;
            color: #155724;
        }
        .success-page {
            text-align: center;
            padding: 20px 0;
        }
        .success-icon {
            width: 80px;
            height: 80px;
            background: #1cc88a;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 36px;
        }
        .success-title {
            font-size: 20px;
            color: #333;
            margin-bottom: 10px;
        }
        .success-message {
            font-size: 14px;
            color: #1cc88a;
            margin-bottom: 10px;
        }
        .success-tip {
            font-size: 13px;
            color: #666;
            margin-bottom: 25px;
        }
        .btn-login {
            display: inline-block;
            padding: 12px 40px;
            background: #4e73df;
            color: #fff;
            text-decoration: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: bold;
            transition: background 0.3s;
        }
        .btn-login:hover {
            background: #3d5fc4;
        }
        .trial-section {
            margin: 15px 0 5px;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 8px;
            border: 1px solid #eee;
        }
        .trial-check {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            font-size: 14px;
            color: #333;
        }
        .trial-check input[type="checkbox"] {
            width: 18px;
            height: 18px;
            cursor: pointer;
            accent-color: #4e73df;
        }
        .trial-check span {
            font-weight: 500;
        }
        .trial-form {
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid #eee;
        }
        .trial-form .form-group {
            margin-bottom: 10px;
        }
        .trial-form select {
            width: 100%;
            height: 42px;
            padding: 0 12px;
            border: 1px solid #eee;
            border-radius: 8px;
            font-size: 14px;
            background: #fff;
            cursor: pointer;
            outline: none;
        }
        .trial-form select:focus {
            border-color: #4e73df;
        }
        .tips {
            font-size: 12px;
            color: #999;
            margin-top: 5px;
        }
        .phone-hint {
            display: block;
            font-size: 12px;
            color: #999;
            margin-top: 4px;
        }
        .phone-hint.error {
            color: #e74a3b;
        }
        .phone-input-error {
            border-color: #e74a3b !important;
        }
    
