html {
    scroll-behavior: smooth;
}
.title-wrap {
    position: relative;
    height: 105.6px;
}
.content-wrap {
}

.sub-wrap {
    margin: 0 0 0 112px;
}
.sub-title {
    font-size: 48px;
    font-weight: 600;
    margin: 0 0 48px 0;
}

.sub-description {
    line-height: 1.8;
    font-size: 16px;
    margin: 8px 0 36px 0;
}
.sub-dl {
    font-size: 14px;
    margin: 16px 0 64px 0;
}
.sub-dl dt {    
    display: inline-block;
    width: 10%;
    color: #808080;
    margin: 4.2px 2px;
    box-sizing: border-box;
}
.sub-dl dd {
    display: inline-block;
    width: 85%;
}
.sub-dl dd ul .list {
    display: inline-block;
}
.sub-dl dd ul .list::after {
    display: inline-block;
    content: '';
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background-color: #808080;
    margin: 0 2px 3px 7px;
}
.sub-dl dd ul .list:last-child::after {
    content: '';
    background-color: inherit;
}
.sub-dl dd ul .list a {
    color: #5ca9d9;
}
.sub-dl dd ul .list a:hover {
    text-decoration: underline;
}
.sub-img .img-wrap img {
    width: 100%;
}

.btn-wrap {
    margin: 64px auto 0;
    text-align: center;
}
.btn-wrap .demo-btn {
    display: inline-block;
    width: 232px;
    line-height: 64px;
    font-size: 18px;
    color: white;
    border-radius: 32px;
    background-color: #232323;
    box-sizing: border-box;
}
.btn-wrap .demo-btn:hover {
    background-color: #101010;
}

.port {
    display: block;
    position: fixed;
    left: 16px;
    top: 121px;
    text-decoration: none;
    opacity: 0.5;
    transition: opacity .15s ease-in-out;
    z-index: 100;
}
.port img {
    width: 78px;
    height: 78px;
}
.port:hover {
    opacity: 1;
    transition: opacity .15s ease-in-out;
    text-decoration: none;
}
.hover {
    opacity: 0;
    margin: 4px 0;
    color: #101010;
}
.port:hover .hover {
    opacity: 1;
    transition: opacity .15s ease-in-out;
}