.tab .addhover {
  border-bottom: 2px solid #0028c9;
}
.banner {
  width: 100%;
  height: 400px;
}
.banner-pic {
  width: 100%;
  height: 400px;
  background: url("../images/ai-banner.webp") no-repeat center top;
}
.w-1200 {
  width: 1200px;
  margin: 0 auto;
}
.w-1200 .h-title {
  padding-top: 45px;
  font-size: 30px;
  color: #333;
  letter-spacing: 0;
  text-align: center;
  font-weight: 600;
}
.w-1200 .demo-box {
  display: flex;
  flex-direction: column;
  margin: 30px 0;
  width: 100%;
}
.demo-box .tab_list {
  height: 40px;
  display: flex;
  justify-content: center;
}
.demo-box .tab_con {
  margin-top: 10px;
  border: 1px solid #e8e9eb;
  box-sizing: border-box;
  background-color: #fff;
  overflow: hidden;
  height: 500px;
  margin-bottom: 15px;
}
.tab_list li {
  line-height: 40px;
  box-sizing: border-box;
  margin-right: 24px;
  font-size: 16px;
  color: #333;
  cursor: pointer;
}
.tab_list .current {
  font-weight: 600;
  color: #036fe2;
}
.tab_con .item {
  display: none;
}
.tab_con .item .item-box {
  display: flex;
  height: 500px;
  box-sizing: border-box;
  position: relative;
}
.item-box .image-box {
  width: 850px;
  height: 100%;
  position: relative;
  background: #343434;
}
.item-box .image-box .image-src {
  width: 100%;
  height: 100%;
  object-fit: scale-down;
}
.item-box .text-box {
  width: 350px;
  height: 100%;
  color: #333;
  background-color: #fafafa;
  box-sizing: border-box;
  position: relative;
}
.item-box .text-p {
  height: 85%;
  overflow-y: scroll;
  overscroll-behavior: contain;
}
/*修改某个div的滚动条样式*/
.item-box .text-p::-webkit-scrollbar{
  width:5px;
  height:5px;
}
.item-box .text-p::-webkit-scrollbar-track{
  background: #fafafa;
  border-radius:2px;
}
.item-box .text-p::-webkit-scrollbar-thumb{
  background: #cccccc;
  border-radius:10px;
}
.item-box .text-p::-webkit-scrollbar-thumb:hover{
  background: #999;
}
.item-box .text-p::-webkit-scrollbar-corner{
  background: #cccccc;
}

.item-box .text-box .text-title {
  padding: 15px;
}
.item-box .text-box .text-title h1 {
  font-size: 20px;
}
.item-box .text-box .text-title p {
  margin-top: 10px;
  font-size: 16px;
}

.item-box .text-box .text-p {
  padding: 0 15px 15px;
}
.item-box .text-box .text-p p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 24px;
  display: flex;
}
.item-box .text-box .text-p p span {
  display: block;
  word-break: break-all;
}
.item-box .text-box .text-p p span:nth-child(1) {
  width: 40%;
  margin-right: 10px;
}
.item-box .text-box .text-p p span:nth-child(2) {
  width: 60%;
}
.item-box .image-input {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 100px;
  padding: 20px 10px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  z-index: 9;
  background: rgba(0, 0, 0, 0.5);
  color: #ccc;
}
.image-input .image-input-container {
  display: flex;
  align-items: center;
}
.image-input .image-input-container .image-url {
  width: 492px;
  font-size: 14px;
  height: 36px;
  outline: none;
  text-indent: 11px;
  border-right: none;
  border: 1px solid #666;
  background: rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
}
.image-input .image-input-container .image-button {
  min-width: 116px;
  height: 36px;
  font-size: 14px;
  border: 1px solid #666;
  background: rgba(0, 0, 0, 0.5);
}
.image-input .image-input-container .image-text {
  display: inline-block;
  vertical-align: middle;
  margin: 0 30px;
  font-size: 16px;
  line-height: 38px;
  background: transparent;
  border: none;
}
.image-input .image-input-container .image-local {
  width: 116px;
  font-size: 16px;
  line-height: 38px;
  text-align: center;
  color: #fff;
  background-color: #0073eb;
  border: none;
}
.image-input .image-notice {
  font-size: 12px;
}
.demo-loading {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 150px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%);
}
.demo-loading-img {
  width: 90px;
  height: 90px;
  margin: 0 auto;
  background-image: url("../images/loading.png");
}
.demo-loading-text {
  margin-top: 12px;
  font-size: 16px;
  color: #fff;
  text-align: center;
}
.demo-data-error-msg {
  background-color: black;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  text-align: center;
}
.demo-data-error-msg img {
  width: 90px;
}
.image-local-input {
  width: 100%;
  height: 100%;
  display: none;
}
.demo-data-error-msg .error-text {
  max-width: 416px;
  margin-top: 12px;
  line-height: 26px;
  font-size: 16px;
  color: #fff;
}
.tech-recognition-scan {
  position: absolute;
  z-index: 7;
  top: 0;
  left: 0;
  width: 850px;
  border-bottom: 3px solid #3e88f1;
  -webkit-animation: scan 1.2s infinite;
  -moz-animation: scan 1.2s infinite;
  animation: scan 1.2s infinite;
  background: -webkit-gradient(
    linear,
    left top,
    left bottom,
    from(transparent),
    to(#3e88f1)
  );
  background: -webkit-linear-gradient(top, transparent, #3e88f1);
  background: -moz-linear-gradient(top, transparent, #3e88f1);
  background: linear-gradient(180deg, transparent, #3e88f1);
}
@keyframes scan {
  0% {
    height: 0;
  }
  100% {
    opacity: 0;
    height: 500px;
  }
}
.none {
  position: absolute;
  top: 300px;
}