:root {
  --qing-mul-pic-text-title-size: 36px;
  --qing-mul-pic-text-p-size: 20px;
}

.qing_mul_pic_text ul li {
  display: flex;
  margin-top: 100px;
}

.qing_mul_pic_text ul li>div {
  flex: 1;
}

.qing_mul_pic_text ul li:nth-child(2n) { 
  flex-direction: row-reverse;
  -webkit-flex-direction: row-reverse
}

.qing_mul_pic_text ul li .txt {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.qing_mul_pic_text ul li .txt .box {
  width: 600px;
  margin: auto;
}

.qing_mul_pic_text ul li .txt h2{
  font-family: var(--title-font-family);
  font-size: 24px;
}

.qing_mul_pic_text ul li .txt p {
  font-size: var(--qing-mul-pic-text-p-size);
  margin-top: 20px;
  line-height: 1.5;
}

.qing_mul_pic_text .pic img {
  width: 100%;
}

@media screen and (max-width: 1500px) {
  :root {
    --qing-mul-pic-text-title-size: 32px;
    --qing-mul-pic-text-p-size: 18px;
  }
}

@media(max-width:1499px){
.qing_mul_pic_text ul li .txt {padding-left: 50px;}
}

@media screen and (max-width: 1280px) {
  :root {
    --qing-mul-pic-text-title-size: 28px;
    --qing-mul-pic-text-p-size: 16px;
  }
  .qing_mul_pic_text ul li .txt .box {
    width: 470px;
  }
  .qing_mul_pic_text ul li .txt { padding-left: 0;}
}

@media screen and (max-width: 1200px) {
  :root {
    --qing-mul-pic-text-title-size: 26px;
    --qing-mul-pic-text-p-size: 14px;
  }
  .qing_mul_pic_text ul li .txt .box {
    width: 320px;
  }
}

@media screen and (max-width: 992px) {

  .qing_mul_pic_text ul {
    padding: 0px 64px;
  }
  .qing_mul_pic_text ul li {
    display: block;
  }
  .qing_mul_pic_text ul li .txt .box {
    width: 100%;
    margin-top: 30px;
  }
  .qing_mul_pic_text ul li .txt p {
    margin: 10px 0 30px 0;
  }
  .qing_mul_pic_text ul li .txt h2 {font-size: 22px;}
}

@media screen and (max-width: 768px) {
  :root {
    --qing-mul-pic-text-title-size: 24px;
  }
  .qing_mul_pic_text ul {
    padding: 0px 32px;
  }
  .qing_mul_pic_text ul li {margin-top: 20px;}
  .qing_mul_pic_text ul li .txt h2 {font-size: 20px;}
}

@media screen and (max-width: 576px) {

  .qing_mul_pic_text ul {
    padding: 0px;
  }
  .qing_mul_pic_text ul li .txt h2 {font-size: 18px;}
}