/* 全局样式 */
        body {
            font-family: 'Inter', sans-serif;
            background-color: #f4f7fa;
            color: #333;
        }

        /* 表单容器 */
        .form-container {
            max-width: 83%;
            margin: 2rem auto;
            padding: 2rem;
            background-color: #fff;
            border-radius: 0.75rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }

        /* 表单标题 */
        .form-title {
            font-size: 1.875rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            text-align: center;
            color: #1a202c;
        }

        /* 表单分组 */
        .form-group {
            margin-bottom: 1.25rem;
        }

        /* 标签样式 */
        .form-label {
            display: block;
            font-size: 0.975rem;
            line-height: 2;
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: #4a5568;
        }

        /* 必填项标注 */
        .required::after {
            content: " *";
            color: #e53e3e;
        }

        /* 输入框和选择框样式 */
        .form-input,
        .form-select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 0.375rem;
            font-size: 1rem;
            transition: border-color 0.2s ease-in-out;
        }

        .form-input:focus,
        .form-select:focus {
            outline: none;
            border-color: #4299e1;
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.25);
        }

        /* 提交按钮样式 */
        .submit-button {
            padding: 0.75rem 1rem;
            background-color: #1f9e41;
            color: #fff;
            font-size: 1rem;
            font-weight: 500;
            border: none;
            border-radius: 0.375rem;
            cursor: pointer;
            transition: background-color 0.2s ease-in-out;
            display: inline-block; /* 不占满整行 */
        }

        .submit-button:hover {
            background-color: #1bc942;
        }

        /* 响应式布局 */
        @media (max-width: 768px) {
            .form-container {
                /*margin: 2rem 1rem;*/
                padding: 1.5rem;
            }

            .form-row {
                flex-direction: column;
            }
        }

        .form-row {
            display: flex;
            gap: 1.25rem;
        }

        .form-row .form-group {
            flex: 1;
        }

        /* 按钮容器样式 */
        .button-container {
            text-align: center;
        }