.chapter2{
    /* background-image: url('/img/BH-底纹.webp'); */
    background-position: center;
    background-repeat: repeat;
    background-size: contain; /* 或 cover，取决于您的需求 */
    overflow-x: hidden; 
    padding-bottom: 10vh;
    z-index: 1;

}

.chapter2-section-00{
    position: relative;
    height: 60vh;
    width: 100vw;
    margin-bottom: 5vh;
    overflow-x: hidden;
    overflow-y: clip;
    /* background-image: url('/img/background.webp'); */
    background-position: center;
    background-repeat: repeat;
    background-size: contain; /* 或 cover，取决于您的需求 */
    overflow-x: hidden; 
}

.chapter2-section-00 img{
    position: absolute;
}


.BO-BT1{
    top: 11%;
    left: 13%;
    width: 25%;
    height: auto;
    z-index: 2;
}

.BO-BT2{
    width: 38%;
    height: auto;
    top: 15%;
    left: 44%;
    z-index: 2;
}

.BO-ZX{
    top: 15%;
    width: 100%;
    height: auto;
}

.baohu-2{
    right: -2%;
    top:-5%;
    height: 110%;
    z-index: 2;

}

.baohu-wenzi{
    top: 45%;
    left: 50%;
    width: 8%;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 3;

}
.baohu-zhiwu{
    width: 100%;
    bottom: 0;
    z-index: 3;

}

.baohu-caisezhiwu{
    width: 100%;
    bottom: 0;
    z-index: 3;

}

.baohu-beijing{
    width: 100%;
    bottom: 0;
    z-index: 1;
}

.chapter2-section-80{
    width: 100vw;
    height: 52vh;
    position: relative;
    /* margin:4rem 0; */
    margin-bottom: -3vh;
}

.BO-S{
    right: 0;
    bottom: 0;
    position: absolute;
    width: 45%;
    height: auto;
}

.fuliu-text{
    position: absolute;
    top:15%;
    width: 100vw;
    font-size: 1rem; 
    letter-spacing: 0.1rem;
}

.fuliu-content p {
    line-height: 2.3rem ;  /* 可以根据需要调整像素值 */
}

.fuliu-content{
    position: absolute;
    width: 100vw;
    bottom: 6%;
    left: 50%;
    transform: translate(-50%, 0);
}

.baohu-fuliu{
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    transform: translate(-50%, 0);
}

.baohu-leftwg{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50%;
}

.baohu-rightwg{
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50%;
}


.chapter2-section-30{
    height: 100vw;
    /* background-image: url("/img/BH-放大镜.png"); */
    background-size: cover;
    position: relative;  
}

.chapter2-section-30 .content{
    position: absolute;
    margin: 0;
    top: 10%;
    left: 50%;
    width: 100%;
    transform: translate(-50%, 0);
}

.chapter2-section-40{
    margin-top: -5vh;
}

.ti-content{
    display: flex;
    justify-content: center;
}

/* 时代命题 */
.baohu-ti{
    width: 60%;
}

.chapter2-section-60{
    height: 50vh;
    display: flex;
    justify-content: center;
    position: relative;
}



.chapter2-section-60 .content{
    z-index: 2;
}

.chapter2-section-60 img{
    position: absolute;
    z-index: 0;
}

.BO-WH{
    width: 80%;
    height: auto;
}

.baohu-shang{
    top: 0;
    left: 10%;
    width: 15%;
    opacity: 0.7;
}

.baohu-zhong{
    top: 20%;
    right: -5%;
    width: 20%;
    opacity: 0.6;
    
}

.baohu-xia{
    bottom: 0;
    left: 0;
    width: 28%;
    opacity: 0.5;
}

.SHOUJI-content{
    position: relative;
}

.BO-SHOUJI{
    position: absolute;
    width: 25%;
    height: auto;
    top: 14%; 
    right: 0; 
    /* transform: translate(-50%, -50%); */
     z-index: -1;
}