html {line-height: 1.4;-ms-text-size-adjust: 100%;-webkit-text-size-adjust: 100%;box-sizing: border-box;font-size: 14px;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Segoe UI, Arial, Roboto, "PingFang SC", "miui", "Hiragino Sans GB", "Microsoft Yahei", sans-serif;;color: #000;-webkit-font-smoothing:subpixel-antialiased;-moz-osx-font-smoothing: grayscale;font-weight: 400;-webkit-tap-highlight-color: transparent;scroll-behavior: smooth;}
body,input,p,dl,dd,h1,h2,h3,h4,h5,h6,form,figure,menu{margin: 0;}
textarea,input,button,ul,ol{margin: 0;padding: 0;}
body,ul,ol,li,p,dl,dt,dd,h1,h2,h3,h4,h5,h6,input,button,textarea,img,div,a,span,nav,header,main,footer,section,table,td,tr,th,:after,:before,aside,picture,article,summary,details,strong,select,label,form,abbr,address,figure,figcaption,menu{box-sizing: border-box;}
ul li,ol li{list-style: none;}
picture{font-size: 0;display: block;}
a {background-color: transparent;text-decoration:none;-webkit-text-decoration-skip: objects;transition: all linear 0.2s;color: inherit;}
a:hover{outline:none;text-decoration: none;}
button,input[type="button"],input[type="submit"],input[type="reset"],a,summary{cursor: pointer;}
audio, video {display: inline-block;}
img {border-style: none;max-width: 100%;}
textarea{resize: vertical;}
button, input, select, textarea {font-family: inherit;font-size: 100%;line-height: 1.15;}
button,button:focus, input,input:focus, optgroup,optgroup:focus, select,select:focus, textarea,textarea:focus,summary,summary:focus,a,a:focus{outline: none;}

.btn{
    display: inline-block;
    border: 1px solid rgba(13,13,13,.48);
    border-radius: 32px;
    padding: 12px;
    min-width: 152px;
    text-align: center;
    line-height: 1;
    background-color: transparent;
    font-style: normal;
    font-size: 14px;
    color: #242425;
    cursor: pointer;
    outline: none;
}
.btn:hover{
    background: rgba(13,13,13,.1);
}
.container{
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 10px;
    position: relative;
    z-index: 0;
}
body.header-fixed header{
    position: fixed;
}
body.header-fixed main{
    padding-top: 58px;
}
header {
    width: 100%;
    height: 58px;
    background: rgba(255,255,255,.9);
    border-bottom: 1px solid rgba(13,13,13,.06);
    backdrop-filter: blur(25px);
    z-index: 999;
}
header .container{
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1020px;
    height: 58px;
}
header .header-left{
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
header .header-left .line{
    width: 1px;
    height: 12px;
    background: rgba(13,13,13,.48);
    margin: 0 12px;
}
header .header-left .logo-title{
    font-size: 12px;
    font-weight: 700;
}
header .header-left .logo-pot{
    margin: 0 6px;
}
header .header-left .logo-subtitle{
    font-size: 12px;
}
header .header-right{
    display: flex;
    align-items: center;
}
header .header-right a{
    margin-left: 24px;
}
header .header-right .download-btn{
    position: relative;
    width: 88px;
    height: 28px;
    cursor: pointer;
}
header .header-right .download-btn img{
    position: absolute;
    left: 0;
    top: 0;
    width: 88px;
    height: 28px;
    opacity: 0;
}
header .header-right .download-btn img.normal{
    opacity: 1;
}
header .header-right .download-btn:hover img.hover{
    opacity: 1;
}
header .header-right .download-btn:hover img:not(.hover){
    opacity: 0;
}
header .header-right .download-btn:active img.pressed{
    opacity: 1;
}
header .header-right .download-btn:active img:not(.pressed){
    opacity: 0;
}
@media screen and (max-width: 1440px) {
    header .header-left .line,
    header .header-left .logo-ai,
    header .header-left .logo-title,
    header .header-left .logo-pot,
    header .header-left .logo-subtitle{
        display: none;
    }
}

footer{
    background: #f5f5f7;
    box-sizing: border-box;
    padding: 14px;
    border-top: 1px solid rgba(13,13,13,.06)
}
footer p{
    font-size: 12px;
    line-height: 20px;
    text-align: center;
    color: rgba(13,13,13,.46)
}