.manufacture {
    background: url(../image/manufacture.jpg) no-repeat center top;
    background-size: cover;
    padding: 5rem 0; /* 使用rem单位更灵活 */
    box-sizing: border-box;
}

.manufacture .manu_con {  
    width: 100%;
    max-width: 550px; /* 最大宽度限制 */
    min-height: 380px;
    background: #c92b2f;
    padding: 5rem 3.125rem 3rem 3.5625rem; /* 使用rem单位 */
    box-sizing: border-box;
}

.manufacture h2 a {
    display: block;
    font-size: 2rem; /* 使用相对单位 */
    line-height: 1.2;
    color: #fff;
    font-weight: normal;
    margin-bottom: 1.5rem;
}

.manufacture ul {
    margin: 2.9375rem 0 5.25rem;
    padding: 0;
}

.manufacture li {
    list-style: none;
    padding-left: 1.875rem;
    position: relative;
    font-size: 1.125rem;
    line-height: 2.125rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.manufacture li:before {
    position: absolute;
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #fff;
    left: 0;
    top: 14px;
}

.content2 {
    width: 100%;
    max-width: 1400px; /* 最大宽度限制 */
    margin: 0 auto;
    padding: 0 1rem; /* 添加内边距防止内容贴边 */
    box-sizing: border-box;
}

/* 响应式断点 - 平板设备 */
@media screen and (max-width: 1024px) {
    .manufacture {
        padding: 4rem 0;
    }
    
    .manufacture .manu_con {
        padding: 4rem 2.5rem 2.5rem;
        min-height: auto; /* 在平板上取消最小高度限制 */
    }
    
    .manufacture h2 a {
        font-size: 1.75rem;
    }
}

/* 响应式断点 - 小平板/大手机 */
@media screen and (max-width: 768px) {
    .manufacture {
        padding: 3rem 0;
    }
    
    .manufacture .manu_con {
        padding: 3rem 2rem 2rem;
    }
    
    .manufacture h2 a {
        font-size: 1.5rem;
    }
    
    .manufacture li {
        font-size: 1rem;
        line-height: 1.875rem;
    }
    
    .manufacture ul {
        margin: 2rem 0 3rem;
    }
}

/* 响应式断点 - 手机设备 */
@media screen and (max-width: 480px) {
    .manufacture {
        padding: 2rem 0;
    }
    
    .manufacture .manu_con {
        padding: 2rem 1.5rem 1.5rem;
    }
    
    .manufacture h2 a {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .manufacture li {
        font-size: 0.9375rem;
        line-height: 1.75rem;
        padding-left: 1.25rem;
    }
    
    .manufacture li:before {
        width: 4px;
        height: 4px;
        top: 12px;
    }
}