@font-face {
    font-family: "youshebiao";
    src: url('/fonts/youshebiao.ttf') format('truetype');
}

@font-face {
  font-family: "puhui2";
  src: url('/fonts/fonts/AlibabaPuHuiTi-2-55-Regular.ttf') format('truetype');
}

.youshebiao {
    font-family: "youshebiao";
}

.puhui2 {
  font-family: "puhui2";
}
.special-ai {
    position: relative;
    color: #fff;
    background: url('/images/specialTopic/bg2.png') left top / cover;
    line-height: 1.6;
    font-family: puhui2;
}
.special-ai * {
    box-sizing: border-box;
}
.special-ai-light {
    color: #92ffd9;
}

.special-ai-content .text-indent {
    font-size:20px;
}
.special-ai-content {
    width: 1200px;
    margin: auto;
}
.special-ai-header {
    height: 637px;
}
.special-ai-header > .header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 640px;
    object-fit: cover;
}
.special-ai-header > .header-name {
    position: absolute;
    top: 190px;
    right: 0;
    bottom: 0;
    left: 0;
    width: 1083px;
    margin: 0 auto;
}
.special-ai-brief {
    position: relative;
    top: -51px;
    padding: 45px 68px;
    background: linear-gradient(to bottom, #1E3D4E 0%, rgba(5, 28, 46, 0.3) 100%);
    font-size: 24px;
    text-indent: 2em;
    border-radius: 28px;
    box-shadow: 0 4px 30.2px 11px rgba(5, 18, 40, 0.5);
    border-top: 1px solid #9f9f9f;
}
.special-ai-brief::before {
    position: absolute;
    content: '';
    width: 1px;
    top: 22px;
    bottom: 23px;
    left: 0;
    background: linear-gradient(to bottom, #9f9f9f 0%, rgba(159, 159, 159, 0) 100%);
}
.special-ai-brief::after {
    position: absolute;
    content: '';
    width: 1px;
    top: 22px;
    bottom: 23px;
    right: 0;
    background: linear-gradient(to bottom, #9f9f9f 0%, rgba(159, 159, 159, 0) 100%);
}
.special-ai-descip {
    position: relative;
    margin-top: 46px;
    height: 580px;
}
.special-ai-descip .decoration {
    position: absolute;
    padding-left: 197px;
    /*background: url('/images/specialTopic/decoration.png') no-repeat left center / cover;*/
    /*background: url('/images/specialTopic/d1.svg') no-repeat left center / cover;*/
    height: 193px;
    width: 1200px;
    font-size: 20px;
    display: flex;
    align-items: center;
}
.special-ai-descip > .descrp1 {
    top: 0;
    left: -88px;
     background: url('/images/specialTopic/d1.svg') no-repeat left center / cover;
}
.special-ai-descip > .descrp2 {
    top: 193px;
    left: 0;
     background: url('/images/specialTopic/d2.svg') no-repeat left center / cover;
}
.special-ai-descip > .descrp3 {
    top: 386px;
    left: 88px;
    background: url('/images/specialTopic/d3.svg') no-repeat left center / cover;
}
.special-ai-card {
    position: relative;
    padding: 31px 28px;
    background-color: rgba(111, 111, 111, 0.2);
    border-radius: 16px;
    border: 1px solid #939393;
}
.special-ai-card > .circle-dec {
    position: absolute;
    top: 7px;
    left: 16px;
}
.special-ai-card > .circle-dec > .circle {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 9px;
    background-color: #d9d9d9;
}
.special-ai-card > .circle-dec > .circle + .circle {
    margin-left: 12px;
}
.special-ai-card video {
    width: 100%;
    height: 100%;
}
.special-ai-science {
    position: relative;
    margin-top: 106px;
}
.special-ai .main-body {
    font-size: 20px;
    font-weight: normal;
}
.special-ai .main-body > .highlight {
    font-size: 40px;
}
.special-ai-simulation {
    position: relative;
    display: flex;
    gap: 50px;
    align-items: center;
}
.special-ai-simulation > .text-dec {
    position: absolute;
    top: -130px;
    width: 578px;
    font-size: 64px;
    font-weight: bold;
    line-height: 1.1;
    height: 192px;
    color: rgba(171, 171, 171, 0.2);
}
.special-ai .ai-card-teacher {
    display: flex;
    gap: 57px;
}
.special-ai .ai-card-future {
    display: flex;
    gap: 48px;
    align-items: center;
}
.special-ai .text-dec {
    position: absolute;
    font-size: 64px;
    font-weight: bold;
    color: rgba(171, 171, 171, 0.2);
    line-height: 1.1;
}
.special-ai .text-indent {
    text-indent: 2em;
}
.special-ai-title {
    font-size: 32px;
    font-weight: bold;
    margin: 64px -88px 0;
}

.special-ai-title .decor {
  position: absolute;
  top: -34px;
}
.special-ai-title .decor.decor1 {
  left: -105px;
}
.special-ai-title .decor.decor2 {
  right: -60px;
}