body {
    background-color: #feffef;
}
.header {
    background-color: #fffef9;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.content{
    min-height: 100vh;
}
.p1_container{
    width: 90%;
    margin: 0 auto;
}
.p1_top{
    text-align: center;
    grid-row: 1;
    grid-column: 1;
    margin-top: 10px;
}
.p1_top h1{
    font-size: calc(12px + 0.7vw);
}
.p1_middle{
    display: grid;
    width: 100%;
    text-align: center;
    margin: 10px auto 0px auto;
}
.p1_middle h1{
    font-size: calc(14px + 0.8vw);
    margin-top: 0;
}
.p1_middle_a1{
    grid-row: 1;
    grid-column: 1;
}
.p1_middle_a2{
    grid-row: 1;
    grid-column: 2;
}
.p1_middle_a3{
    grid-row: 1;
    grid-column: 3;
}
.p1_middle_a1 img{
    width: 70%;
    height: auto;
    max-width: 250px;
}
.p1_middle_a2 img{
    width: 70%;
    height: auto;
    max-width: 250px;
}
.p1_middle_a3 img{
    width: 70%;
    height: auto;
    max-width: 250px;
}
.p1_bottom{
    width: 100%;
    text-align: center;
    margin-top: 50px;
}
.p1_bottom_btn{
    display: grid; 
    width: 90%; 
    margin: 0 auto;
    transform: scale(0.6);
    cursor: pointer;
}
.p1_bottom_btn_left{
    width: 36px; 
    height: 76px; 
    grid-row: 1; 
    grid-column: 1; 
    margin: 0px 0px 0px auto;
}
.p1_bottom_btn_middle{
    width: 100%; 
    height: 76px; 
    grid-row: 1; 
    grid-column: 2; 
    background-color: #cbeaec;
    color: #2eaab3; 
    font-size: calc(24px + 0.8vw); 
    line-height: 76px; 
    font-weight: bold;
}
.p1_bottom_btn_right{
    width: 36px; 
    height: 76px; 
    grid-row: 1; 
    grid-column: 3; 
    margin: 0px auto 0px 0px;
}
.p2_container{
    width: 80%;
    display: grid;
    gap: 20px;
    margin: 20px auto;
    text-align: center;
    grid-template-columns: repeat(2, 1fr);
}
.p2_container img{
    width: 80%;
    height: auto;
    max-width: 525px;
}



.p3_container{
    width: 100%;
    display: grid;
    margin: 0 auto;
    text-align: center;
}
.p3_left{
    grid-row: 1;
    grid-column: 1;
}
.p3_left img{
    width: 80%;
    height: auto;
    max-width: 727px;
}
.p3_right{
    grid-row: 2;
    grid-column: 1;
}
.p3_a2{
    padding-top: 0px;
}
.p3_a3{
    padding-top: 10px;
}

/* 当页面宽度大于等于576时 */
@media (min-width: 576px) {
    
}
/* 当页面宽度大于等于992时 */
@media (min-width: 992px) {
    .content {
        padding: 0px 0%;
    }
    
}
@media (min-width: 1179px) {
    .content{
        min-height: 80vh;
    }
}
@media (min-width: 1536px) {
    .p1_container{
        width: 75%;
    }
    .p1_top{
        margin-top: 20px;
    }
    .p1_top h1{
        font-size: calc(24px + 1.5vw);
    }
}
@media (min-width: 1920px) {
    .p1_container{
        width: 60%;
    }
    .p2_container{
        width: 60%;
    }
}