// pc端：
// 设计稿1440*900 所有尺寸基本按px来即可;
// 正文 16px;


// 移动端：
// 设计稿宽800px，按逻辑尺寸的两倍制作。因此真实尺寸需要除2；
// 如设计稿字体大小28px,则实真字体大小为28px/2=14px;
// 或使用vw 字体大小：28/800*10 = 3.5vw 
// 正文 14px 或 3.5vw

//pc端样式
.main {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    padding-top: 70px;
    .content{
        margin: 0 auto;
        .news_title{
            text-align: center;
            padding-top: 80px;
            margin-bottom: 50px;
            font-weight: bold;
            font-size: 64px;
            color: #333333;
            font-family: 'MyFont1';
        }
       
    }
    .content2{
        .news_title{
            font-size: 48px;
        }
    }
    .banner{
        width: 100%;
        height: 100vh;
        .bannerSwiper{
          width: 100%;
          height: 100%;
          img{
            width: 100%;
              object-fit: cover;
          }
          .btn-prev,.btn-next{
            position: absolute;
            top: 50%;
            margin-top: -22px;
            width: 44px;
            height: 44px;
            border: 1px solid #000000;
            z-index: 2;
            text-align: center;
            color: #000000;
            background: transparent;
            transition: all .3s ease-in-out;
            cursor: pointer;
            span{
              font-size: 36px;
              display: inline-block;
              transform: rotate(90deg);
              line-height: 44px;
    
            }
            &:hover{
              background: #48a038;
              border-color: #48a038;
              color: #fff;
            }
          }
          .btn-prev{
            left: 100px;
            transform: rotate(-180deg);
          }
          .btn-next{
            right: 100px;
          }
          .swiper-button-disabled{
            cursor: no-drop;
            background: transparent;
            color: #979292;
            border-color: #979292;
            &:hover{
              background: transparent;
              border-color: #979292;
              color: #979292;
            }
          }
          .swiper-pagination{
            bottom: 40px;
            display: none;
            .swiper-pagination-bullet{
              background: #ffffff;
              opacity:1;
              position: relative;
              width: 6px;
              height: 6px;
              margin:0 6px;
              &::before{
                content: '';
                position: absolute;
                left: -3px;
                top: -3px;
                width: 10px;
                height: 10px;
                border-radius: 50%;
                border: 1px solid #ffffff;
                opacity: 0;
                transition: all .3s ease-in-out;
              }
            }
            .swiper-pagination-bullet-active{
              &::before{
                opacity: 1;
              }
            }
          }
        }

    }

    .tabs_box{
        width: 1300px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        font-size: 16px;
        color: #231f20;
        margin-bottom: 60px;
        .tabs_li{
            border: 1px solid #231f20;
            padding: 10px 30px;
            margin-right: 20px;
            cursor: pointer;
            transition: all .2s;
            span{
                display: inline-block;
                margin: 0 10px;
                font-weight: bold;
            }
        }
        .tabs_lis{
            background: #B81C25;
            border: 1px solid #B81C25;
            color: #fff;
            font-family: 'MyFont1';
        }
    }
    .article_list{
        width: 1300px;
        margin: 0 auto;
        display: flex;
        flex-wrap: wrap;
        .article_li{
            width: 406px;
            margin-bottom: 62px;
            padding-bottom: 62px;
            padding-right: 41px;
            border-bottom: 1px solid #DDE2E6;
            .liImg{
                width: 100%;
                height: 305px;
                margin-bottom: 20px;
                overflow: hidden;
                img{
                    width: 100%;
                    height: 305px;
                    object-fit: cover;
                    transition: all .3s ease;
                }
            }
            &:nth-of-type(3n){
                padding-right: 0;
            }
            &:nth-of-type(7){
                border: 0;
                margin: 0;
            }
            &:nth-of-type(8){
                border: 0;
                margin: 0;
            }
            &:nth-of-type(9){
                border: 0;
                margin: 0;
            }
            // img{
            //     width: 100%;
            //     height: 305px;
            //     object-fit: cover;
            //     margin-bottom: 20px;
            // }
            .txt1{
                font-size: 20px;
                color: #231f20;
                display: -webkit-box;        /* 使用 Flexbox 布局 */
                -webkit-box-orient: vertical; /* 垂直方向排列 */
                -webkit-line-clamp: 2;      /* 限制显示的行数，这里是3行 */
                overflow: hidden;            /* 隐藏超出部分 */
                text-overflow: ellipsis;
                line-height: 30px;
                margin-bottom: 20px;
                transition: all .3s ease;
            }
            .txt2{
                font-size: 14px;
                color: #666666;
                transition: all .3s ease;
            }
            &:hover{
                .liImg{
                    img{
                        transform: scale(1.1);
                    }
                }
                .txt1,.txt2{
                    color: #B81C25;
                }
            }
        }
    }
    .listBtn{
        width: 100%;display: flex;justify-content: center;padding: 30px 0 90px;
        a{
            width: 200px;
            height: 45px;
            font-size: 14px;
            line-height: 45px;
            border-radius: 50px;
            span{
                font-size: 26px;
            }
        }
    }
    .news_paging{
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 100px 0 120p x;
        .previousPage{
            width: 40px;
            height: 40px;
            color: #B81C25;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #B81C25;
            margin-right: 20px;
            cursor: pointer;
            transition: all 0.2s;
            span{
                font-size: 26px;
                transform: rotate(-90deg);
            }
            &:hover{
                background: #B81C25;
                border: 1px solid #B81C25;
                color: #fff;
            }
        }
        .nextPage{
            width: 40px;
            height: 40px;
            color: #B81C25;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #B81C25;
            margin-left: 20px;
            cursor: pointer;
            transition: all 0.2s;
            span{
                font-size: 26px;
                transform: rotate(90deg);
            }
            &:hover{
                background: #B81C25;
                border: 1px solid #B81C25;
                color: #fff;
            }
        }
        .pageNum{
            min-width: 40px;
            height: 40px;
            line-height: 40px;
            font-family: Source Han Sans CN;
            font-size: 18px;
            color: #000;
            transition: all 0.2s;
            padding: 0 5px;
            box-sizing: border-box;
            cursor: pointer;
            text-align: center;
            border: 1px solid #DDE2E6;
            border-radius: 2px;
            &:hover{
                background: #B81C25;
                border: 1px solid #B81C25;
                color: #fff;
            }
        }
        .pageNums{
            pointer-events: none;
        }
        .pageNum+.pageNum{
            margin-left: 10px;
        }
        .pageNumActive{
            color: #000000;
        }
        .ellipsis{
            font-family: Source Han Sans CN;
            font-weight: bold;
            font-size: 22px;
            padding: 10px 15px;
            color: #333333;
            // cursor: pointer;
            transition: all 0.2s;
            // &:hover{
            //     color:#48A038
            // }
        }
    }
    .study_box{
        width: 100%;
        background-color: #F6F6F6;
        padding-top: 122px;
        padding-bottom: 140px;

        .study_head{
            width: 1498px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 81px;
            .txt{
                font-weight: bold;
                font-family: 'MyFont1';
                font-size: 48px;
                color: #231F20;
                margin-left: 100px;
            }
            a{
                width: 200px;
                height: 45px;
                font-size: 14px;
                line-height: 45px;
                margin-right: 100px;
                z-index: 1;
                span{
                    font-size: 26px;
                }
            }
        }
        .bannerSwiper2{
            width: 1498px;
            margin: 0 auto;
            img{
                display: block;
            }
        }
    }
}
a{
    display: inline-block;
}
.btn_study{
    display: none;
}

@media screen and (min-width: 801px) and (max-width: 1400px) {
    .main{
        .banner{
            height: auto;

            .bannerSwiper{
                width: 100%;
            }
        }
        .article_list{
            width: calc(100% - 40px);
        }
        .tabs_box{
            width: calc(100% - 40px);
        }
        .study_box{
            .study_head{
                width: calc(100% - 40px);
            }
        }
    }
}
@media screen and (min-width: 1400px) and (max-width: 1600px){
    .main{
        .banner{
            height: auto;
            .bannerSwiper{
                width: 100%;
            }
        }
        .article_list{
            width: calc(100% - 40px);
        }
        .tabs_box{
            width: calc(100% - 40px);
        }
        .study_box{
            .study_head{
                width: calc(100% - 40px);
            }
        }
    }
}

//移动端样式
@media screen and (max-width:800px) {
   
    .main {
        width: 100%;
        padding-top: 15vw;
        
        .listBtn{
            padding: 0 0 110px;
            a{
                border-radius: 50px;
            }
        }
        .content{
            width: 92.125vw;
            margin: 0 auto;
            .news_title{
                display: block;
                margin-bottom: 10.75vw;
                padding-top: 60px;
                font-size: 32px;
                text-align: center;
            }
        }
        .content2{
            padding-top: 17.5vw;
            .news_title{
                // font-size: 6.25vw;
                font-size: 30px;
                padding-top: 0;
            }
        }
        .banner{
            width: 100%;
            height: auto;
            .bannerSwiper{
              width: 100%;
              height: 100%;
              img{
                    width: 100%;
                    height: 46.75vw;
                    object-fit: cover;
              }
              .btn-prev,.btn-next{
                position: absolute;
                top: 50%;
                margin-top: -22px;
                width: 44px;
                height: 44px;
                border: 1px solid #000000;
                z-index: 2;
                text-align: center;
                color: #000000;
                background: transparent;
                transition: all .3s ease-in-out;
                cursor: pointer;
                span{
                  font-size: 36px;
                  display: inline-block;
                  transform: rotate(90deg);
                  line-height: 44px;
        
                }
                &:hover{
                  background: #48a038;
                  border-color: #48a038;
                  color: #fff;
                }
              }
              .btn-prev{
                left: 100px;
                transform: rotate(-180deg);
              }
              .btn-next{
                right: 100px;
              }
              .swiper-button-disabled{
                cursor: no-drop;
                background: transparent;
                color: #979292;
                border-color: #979292;
                &:hover{
                  background: transparent;
                  border-color: #979292;
                  color: #979292;
                }
              }
              .swiper-pagination{
                bottom: 40px;
                display: none;
                .swiper-pagination-bullet{
                  background: #ffffff;
                  opacity:1;
                  position: relative;
                  width: 6px;
                  height: 6px;
                  margin:0 6px;
                  &::before{
                    content: '';
                    position: absolute;
                    left: -3px;
                    top: -3px;
                    width: 10px;
                    height: 10px;
                    border-radius: 50%;
                    border: 1px solid #ffffff;
                    opacity: 0;
                    transition: all .3s ease-in-out;
                  }
                }
                .swiper-pagination-bullet-active{
                  &::before{
                    opacity: 1;
                  }
                }
              }
            }
    
        }
    
        .tabs_box{
            width: 92.125vw;
            flex-wrap: wrap;
            margin-bottom: 10.625vw;
            font-size: 3.75vw;
            .tabs_li{
                padding: 1.875vw 3.75vw;
                margin-right: 3vw;
                margin-bottom: 4vw;
                span{
                    display: inline-block;
                    margin: 0 3px 0 8px;
                    font-weight: bold;
                }
                &:last-child{
                    margin-right: 0;
                }
            }
            .tabs_lis{
                background: #B81C25;
                border: 1px solid #B81C25;
                color: #fff;
            }
        }
        .article_list{
            width: 92.125vw;
            margin: 0 auto;
            .article_li{
                width: 100%;
                margin-bottom: 10.5vw;
                padding-bottom: 10.5vw;
                padding-right: 0;
                border-bottom: 1px solid #DDE2E6;
    
              
                &:nth-of-type(7){
                   border-bottom: 1px solid #DDE2E6;
                   margin-bottom: 10.5vw;
                }
                &:nth-of-type(8){
                   border-bottom: 1px solid #DDE2E6;
                   margin-bottom: 10.5vw;
                }
                &:nth-of-type(9){
                   border-bottom: 1px solid #DDE2E6;
                }
                &:last-child{
                    border: 0;
                    margin-bottom: 0;
                }
                img{
                    height: 69.125vw;
                    margin-bottom: 5.125vw;
                }
                .txt1{
                    font-size: 3.75vw;
                }
            }
        }
        .news_paging{
            padding-top: 16vw;
            .previousPage{
                width: 40px;
                height: 40px;
                margin-right: 20px;
                box-sizing: border-box;
            }
            .nextPage{
                width: 40px;
                height: 40px;
                margin-left: 3.25vw;
                transition: all 0.2s;
                box-sizing: border-box;
            }
            .pageNum{
                font-size: 3.5vw;
            }
            .ellipsis{
                font-size: 3.5vw;
                padding: 1.875vw 2.5vw;
                // &:hover{
                //     color:#48A038
                // }
            }
        }
        .study_box{
            padding-top: 13.75vw;
            padding-bottom: 100px;
            position: relative;

            .study_head{
                width: 92.125vw;
                margin-bottom: 10.5vw;
                flex-wrap: wrap;
                justify-content: center;
                .txt{
                    width: 100%;
                    font-size: 6.25vw;
                    margin-left: 0;
                    text-align: center;
                }
                a{
                    // position: absolute;
                    // bottom:15vw;
                    // left: calc(50% - 100px);
                    // margin-left: -25%;
                    margin-right: 0px;
                    margin-top: 20px;
                    border-radius: 50px;
                }
            }
            .bannerSwiper2{
                width: 92.125vw;
                margin: 0 auto;
            }
        }
    }
    .btn_study{
        display: flex;
        margin:40px auto 0;
        span{
            transform: rotate(90deg);
        }
    }
    .btn_study1{
        display: none;
    }
}