.content .title {
    display: flex;
    justify-content: center;
    padding: 50px 0;
    flex-direction: column;
    align-items: center;
}

.content .title img {
    height: 175px;
    width: 831px;
}

.result {
    padding: 0 50px;
    height: 267px;
}

.result .summary {
    padding: 0px 50px 50px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    background-color: #fff;
    border: 1px dashed #0071c1;
    position: relative;
}
.result .summary {
    padding: 0px 50px 20px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    background-color: #fff;
    border: 1px dashed #0071c1;
    position: relative;
}

.result .summary::before {
    content: "";
    position: absolute;
    top: -3px;
    left: -3px;
    width: 30px;
    height: 30px;
    border-left: 4px solid #0071c1;
    border-top: 4px solid #0071c1;
}

.result .summary::after {
    content: "";
    position: absolute;
    top: -3px;
    right: -3px;
    width: 30px;
    height: 30px;
    border-right: 4px solid #0071c1;
    border-top: 4px solid #0071c1;
}

.panel-footer {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
}

.panel-footer::before {
    content: "";
    position: absolute;
    top: -3px;
    left: -3px;
    width: 30px;
    height: 30px;
    border-left: 4px solid #0071c1;
    border-bottom: 4px solid #0071c1;
}

.panel-footer::after {
    content: "";
    position: absolute;
    top: -3px;
    right: -3px;
    width: 30px;
    height: 30px;
    border-right: 4px solid #0071c1;
    border-bottom: 4px solid #0071c1;
}

.result .summary .word {
    width: 146px;
    height: 35px;
    background-color: #0071c1;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    margin-bottom: 10px;
}

.result .summary .letter {
    text-indent: 2em;
    letter-spacing: 2px;
    line-height: 35px;
    text-align: justify;
    padding-bottom: 15px;
}

.videoarea {
    position: relative;
    padding: 25px 0;
}

.shape {
    position: absolute;
    top: 34px;
    width: 100%;
}

.shape .trapzoid {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.shape .trapzoid .trapzoidl {
    width: 40px;
    height: 40px;
    border: 30px solid #858585;
    border-color: transparent transparent #858585 transparent;
    transform: rotate(120deg) translateY(-42px) translateX(18px);
}

.shape .trapzoid .trapzoidr {
    width: 40px;
    height: 40px;
    border: 30px solid #858585;
    border-color: transparent transparent #858585 transparent;
    transform: rotate(240deg) translateY(-42px) translateX(-16px);
}

.shape .cuboid {
    width: 100%;
    height: 18px;
    background-color: #0070c1;
    position: relative;
}

.videoarea .videolist {
    display: flex;
    justify-content:space-around;
    position: relative;
}

.videoarea .videolist video {
    width: 530px;
    height: 350px;
}

.content .jumpother .alist {
    margin: 0 auto;
    display: flex;
}

.content .jumpother {
    padding: 0px 45px;
}

.content .jumpother .alist li {
    width: 200px;
    height: 50px;
    background-color: #0070c1;
    color: #fff;
    font-size: 18px;
    list-style: none;
    margin-right: 27px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.content .jumpother .alist li:last-child {
    margin-right: unset;
}

.content .jumpother .alist li a {
    color: #fff;
    font-family: "Microsoft YaHei", Arial, Helvetica, sans-serif, "SimSun";
    font-weight: 600;
}

.content .jumpother .alist li:hover {
    background-color: #fff;
}

.content .jumpother .alist li:hover a {
    color: #0070c0;
}

.content .picture {
    padding: 50px 0;
    position: relative;
    height: 455px;
    overflow: hidden;
}

.content .picture .backf {
    background-color: #ffffff;
    display: flex;
    margin: 0px 45px;
    padding-bottom: 35px;
    position: absolute;
}

.content .picture .picitem:nth-child(2) {
    margin: 0 45px;
}

.content .picture .picitem {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.content .picture .picitem img {
    width: 340px;
    height: 259px;
}

.content .picture .picitem div {
    width: 100%;
    height: 50px;
    background: #deebf7;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
    color: #197dc5;
    font-size: 18px;
    font-weight: 600;
}

.backf {
    opacity: 0;
    transition: all 30ms linear;
}

.current {
    opacity: 1;
}