body .content{
    font-family: "微软雅黑";
}
.p1{
    margin-top: -20px;
}


.grid h5{
    display: inline-block;
    font-size: 22px;
    line-height: 35px;
    height: 38px;
    font-weight: bold;
    color: #FFFFFF;
    background: url("../images/2025/swdc2025/h4_bg.png") center center no-repeat;
    background-size: 100% 100%;
    padding: 0 15px;
    position: absolute;
    left: 0;
    top: -23px;
}
.cont{
    position: relative;
    background-color: #f3faff;
    border-radius: 10px;
    padding: 30px;
    padding-bottom: 26px;
}
.cont p{
    font-size: 18px;
    line-height: 36px;
    text-indent: 2em;
    color: #333333;
}
.grid h3{
    background: url("../images/2025/swdc2025/p2_h3.png") center center no-repeat;
    height: 52px;
    background-size: 100% 100%;
    margin-bottom: 40px;
    text-align: center;
    font-size: 26px;
    line-height: 52px;
    font-weight: bold;
    color: #FFFFFF;
    letter-spacing: 4px;
}
.cont .zcyj+.zcyj{
    margin-top: 22px;
}
.cont .yj{
    font-weight: bold;
    text-indent: 0;
    position: relative;
    padding-left: 20px;
}
.cont .yj::before{
    content: "";
    position: absolute;
    width: 6px;
    height: 18px;
    background-color: #ff8c26;
    left: 0;
    top: 0;
    margin-top: 0.5em;
}
.cont .yj b{
    color: #2780f8;
}
.cont1,.cont2{
    margin-top: 60px;
}
.cont .orange{
    background-color: #ff8c26;
    color: #FFFFFF;
    display: inline-block;
    border-radius: 4px 4px 0 0;
    height: 30px;
    font-size: 18px;
    line-height: 30px;
    font-weight: bold;
    padding: 0 20px;
    text-indent: 0;
    margin-bottom: 13px;
}
.cont1 img{
    display: block;
    position: absolute;
    right: 55px;
    top: 30px;
}
.p3 .cont p{
    text-indent: 0;
}
.p3 .list li{
    padding: 16px 0;
}
.p3 .list li:last-child{
    padding-bottom: 0;
}
.p3 .list li+li{
    border-top: 2px solid #d5e6fb;
}
.p3 .cont .orange{
    margin-right: 10px;
    margin-bottom: 0;
}
.p3 .cont p{
    position: relative;
    display: block;
}
.p3 .cont a{
    color: #2780f8;
    display: inline-block;
    float: right;
}
.p3 .cont li a{
    margin-left: 30px;
}
.p4 .cont b{
    color: #333333;
}
.p4 .cont p{
    text-indent: 0;
    color: #2780f8;
}
.p4 .cont p a{
    color: #2780f8;
    text-decoration: underline;
    word-break: break-all;
}
.cont2 img{
    display: block;
    margin: 10px auto 45px;
}

.left-nav {
    height: auto;
    padding: 18px 10px;
    position: fixed;
    transform: translate(-180px);
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    z-index: 9;
    background: #b6defc;
    border-radius: 10px;
}

.left-nav li {
    transition: all .3s;
    border-radius: 10px;
    cursor: pointer;
    color: #333333;
    font-size: 18px;
    line-height: 26px;
    text-align: center;
    margin-bottom: 6px;
    width: 120px;
    background: #ffffff;
    padding: 6px 0;
}
.left-nav li.current{
    font-weight: bold;
    color: #005dda
}
.left-nav a{
    display: block;
    width: 100%;
    color: #005eda;
    text-align: center;
    font-size: 20px;
    line-height: 20px;
    position: relative;
    cursor: pointer;
    padding-left: 23px;
    margin-top: 15px;
}
.left-nav a:before{
    content: "";
    background: url("../images/2025/swdc2025/totop.png") center center no-repeat;
    width: 18px;
    height: 18px;
    position: absolute;
    left: 9px;
    top: 50%;
    margin-top: -9px;
    margin-right: 10px;
}
@media screen and (max-width: 1600px) {
    .left-nav {
       display: none;
    }
}
@media screen and (max-width: 1200px) {
    .grid h3{
        background-size: 120% 100%;
    }
    .p3 .list p{
        display: inline-block;
    }
}
@media screen and (max-width: 992px) {
    .grid h3{
        background-size: 150% 100%;
    }
    .cont1 img{
        display: none;
    }
    .cont1, .cont2{
        margin-top: 30px;
    }
    .cont2 img{
        width: 100%;
    }
}
@media screen and (max-width: 768px) {
    .grid h3{
        background-size: 200% 85%;
        font-size: 24px;
    }
}
@media screen and (max-width: 480px) {

    .content .grid h3{
        background-size: 230% 80%;
        font-size: 20px;
        margin-bottom: 45px;
    }
    .grid h5{
        font-size: 18px;
    }
    .cont{
        padding: 20px;
        padding-bottom: 17px;
    }
    .cont p{
        font-size: 16px;
        line-height: 34px;
    }
    .cont .orange{
        font-size: 16px;
        margin-bottom: 8px;
    }
    .cont .zcyj+.zcyj {
        margin-top: 12px;
    }
    .p4,.p5{
        padding-top: 5px;
    }
    .p5 p+p{
        margin-top: 5px;
    }
    .p5 .cont{
        padding-top: 35px;
    }
    .p3 .list li:nth-child(2) p{
        display: block;
    }
}
@media screen and (max-width: 400px) {
    .content .grid h3{
        background-size: 250% 100%;
        font-size: 18px;
    }
}