.hidden1{
    display: none !important;
}
.swiper {
    width: 100%;
    height: 300px;
}
.pc {
    /* min-width: 1200px; */
    position: relative;
}
.w928 {
    width: 928px;
    box-sizing: border-box;
}
.w1120 {
    width: 1120px;
}
.w800 {
    width: 800px;
    box-sizing: border-box;
}
.w400 {
    width: 400px;
    box-sizing: border-box;
}
.pt80 {
    padding-top: 80px;
}
.page_header {
    background: white;
    height: 80px;
    position: sticky;
    top:0;
    width: 100%;
    z-index: 2;
    box-shadow: 0 0 20px 5px rgba(0,0,0,.05);
}
.page_header-nav a {
    margin-right: 80px;
}
.page_header-nav a.active,.page_header-nav a:hover{
    color: #165DFF;
    position: relative;
}
.page_header-nav a.active:after{
    content:'';
    display: block;
    background: #165DFF;
    height: 2px;
    width: 60%;
    position: absolute;
    bottom: -10px;
    left: 20%;
}
.start-btn {
    width: 162px;
    height: 45px;
    background: #3b76fc;
    border-radius: 8px;
    border:none;
    outline: none;
    color: white;
    transition: all .3s;
}
.start-btn:hover{
    background: #165DFF;
}
.start-btn2 {
    width: 162px;
    height: 45px;
    background: linear-gradient(90deg, #165DFF, #6B98FF);
    background-size: 400% 100% ;
    border-radius: 8px;
    transition: all .3s;
    border:none;
    outline: none;
    color: white;
}
@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}
.start-btn2:hover {
    animation: gradient 1.6s ease infinite;
}

.page_body {
    min-height: calc(100vh - 80px);
    background: linear-gradient(90deg, #ECEFFF, #F6F8FE);
    position: relative;

}
.page_body_bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: url(https://assets.atomarrow.net/ai/sassknowledge/imgs/top_bg.png) no-repeat;
    background-size: cover;
    background-position: center;
}

.ability_panel {
    margin-top: 42px;
    background: #F6F8FE;
    box-shadow: 0px 2px 8px 0px rgba(215,224,242,0.35);
    border-radius: 16px;
    padding: 36px 33px 50px;
}

.ability_nav {
    height: 60px;
    background: #E2E9F7;
    border-radius: 8px;
    padding:0 10px;
    position: relative;
}
.ability_nav a {
    height: 46px;
    line-height: 46px;
    padding:0 25px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 400;
    position: relative;
}
.ability_nav .nav_bg_block {
    position: absolute;
    width: 152px;
    top: 6px;
    left: 10px;
    border-radius: 8px;
    background: white;
    height: 46px;
    transition: all .3s;
}

.ability_nav a.active{
    color:#165DFF;
}
.ability_nav a:hover{
    color:#165DFF;
}

.ability_content img {
    width: 400px;
    height: 260px;
}
.ability_content ul {
    padding: 0;
}
.ability_content li {
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 14px;
    color: #545965;
    line-height: 24px;
    margin-bottom: 16px;
    position: relative;
    padding-left: 20px;
}
.ability_content li:before{
    content: "•"; /* 添加自定义的小圆点 */
    color: #165DFF; /* 设置小圆点的颜色 */
    font-size: 24px;
    position: absolute;
    left: 0px;
    top: 0px;
}
.youshi_block {
    width: 180px;
    height: 120px;
    background: #E2E9F7;
    border-radius: 8px;
    margin-right: 20px;
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.youshi_block>span:first-child{
    font-family: Source Han Sans CN;
    font-weight: 800;
    font-size: 34px;
    color: #200E69;
}
.youshi_block>span:last-child {
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 14px;
    color: #545965;
}
.youshi_li {
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 16px;
    color: #545965;
}

.form_panel {
    margin-top:30px;
    width: 100%;
    height: 530px;
    background: url(https://assets.atomarrow.net/ai/sassknowledge/imgs/form_bg.png) no-repeat;
    background-size: 100% 100%;
}
.form {
    width: 475px;
    height: 369px;
    background: #FFFFFF;
    border-radius: 16px;
    box-sizing: border-box;
    padding: 32px 58px 56px;
}

.form input,.form textarea {
    width: 360px;
    height: 48px;
    box-sizing: border-box;
    padding: 15px;
    background: #FFFFFF;
    border-radius: 8px;
    border: 1px solid #CCD3E7;
    outline: none;
}
.form input:focus {
    border: 1px solid #7592e7;
}
.form_btn {
    width: 360px;
    height: 48px;
    background: #a1affb;
    border-radius: 8px;
    color: white;
    border:none;
    outline: none;
    cursor: pointer;
    transition: all .3s;
}
.form_btn:hover {
    background: #5E77FF
}



.func_list>div{
    margin-bottom: 16px;
    cursor: pointer;
}


.sologn {
    color: transparent;
    background: linear-gradient(to right, #ff4000, blue, #4ab9db);
    -webkit-background-clip: text;
    background-clip: text;
}