.b_banner {
    height: 18px;
    background-image: url(../image/b_bottom.png);
    position: absolute;
    background-repeat: no-repeat;
    z-index: 3;
    bottom: 0;
    width: 100%;
}

.sy2_left {
    float: left;
    width: 394px;
    height: 206px;
    background-image: url("../image/b_lace_s.png");
}

.sy2_right {
    float: right;
    width: 787px;
    height: 206px;
    background-image: url("../image/b_lace_l.png");
    padding: 10px 20px;
}


.sy3 {
    width: 1200px;
    margin: 0 auto;
}


.sy3 .sy_bt {
    height: 60px;
}


.sy3 .sy_bt .s1 a {
    display: block;
    float: left;
    /*width: 179px;*/
    padding: 0 10px;
    height: 40px;
    position: relative;
    text-align: center;
    line-height: 40px;
    font-size: 18px;
    border: 1px solid #000000;
    color: black
}

.sy3 .sy_bt .s1 a i {
    display: none;
    position: absolute;
    width: 0;
    height: 0;
    border-left: 13px solid transparent;
    border-right: 13px solid transparent;
    bottom: -10px;
    left: 50%;
    margin-left: -13px;
    border-top: 13px solid #743a2a;
}

.sy3 .sy_bt .s1 a.on {
    background-color: #743a2a;
    color: #FFFFFF;
}

.sy3 .sy_bt .s1 a.on i {
    display: block;
}

.sy3 .sy_bt .s1 a span {
    display: none;
    position: absolute;
    width: 100%;
    height: 1px;
    border-bottom: 5px solid #743a2a;
    bottom: -23px;
    left: 0;
}

.sy3 .sy_bt .s1 a.on span {
    display: block;
}

.sy3 .sy_tk1 {
    margin-top: 30px;
    height: 350px;
}

.sy3_left {
    float: left;
    width: 580px;
    height: 350px;
    overflow: hidden;
    position: relative;
}

.sy3_left ul {
    width: 1740px;
    height: 100%;
    margin: 0;
    padding: 0;
    transition: all 0.5s;
}

.sy3_left label {
    width: 10px;
    height: 10px;
    background-color: #FFFFFF;
    z-index: 1;
    position: absolute;
    right: 45px;
    bottom: 13px;
    border-radius: 10px;
}

.sy3_left label:nth-child(2) {
    right: 30px;
}

.sy3_left label:nth-child(3) {
    right: 15px;
}

.sy3_left label.on {
    background-color: #743a2a;
}

.sy3_left ul li {
    width: 580px;
    height: 350px;
    position: relative;
    float: left;
}

.sy3_left ul li img {
    width: 580px;
    height: 350px;
}

.sy3_left ul li span {
    width: 580px;
    height: 50px;
    position: absolute;
    background-color: rgb(0 0 0 / 40%);
    left: 0;
    line-height: 50px;
    font-size: 24px;
    padding-left: 10px;
    padding-right: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    bottom: 0;
    color: #FFFFFF;
}

.sy3_right {
    float: right;
    width: 600px;
    height: 350px;
}

.sy3_right .sy_lb3_2 {
    width: 550px;
}

/* 时间轴*/
.timeline {
    list-style: none;
    padding-left: 14px;
    margin-left: 15px;
    border-left: 1px solid #868686;
}

.timeline li {
    height: 43px;
    position: relative;
    overflow: unset;
}

.timeline li a {
    position: absolute;
    z-index: 1;
    padding: 0;
    height: 43px;
    line-height: 43px;
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 450px;
}

.timeline li .sj {
    line-height: 43px;
}


.timeline li label {
    margin: 0;
    padding: 0 5px;
    display: inline-block;
    border: 1px solid #868686;
    line-height: 22px;
    margin-right: 10px;
    font-size: 14px;
    color: #743a2a;
}

.timeline .circle {
    margin-top: -10px;
    top: 27px;
    left: -20px;
    width: 10px;
    height: 10px;
    background: white;
    border: 1px solid #868686;
    border-radius: 50%;
    display: block;
    position: absolute;
}

/*专家介绍*/
.expert {
    display: inline-block;
    border: 1px #bbbbbb solid;
    border-radius: 10px;
}

.expert_t {
    width: 210px;
    margin: 0 auto;
}

.expert_t img {
    width: 210px;
    height: 210px;
    border-radius: 50%;
    margin: 30px 0;
}

.expert_center {
    width: 100%;
    height: 44px;
    background-color: #743a2a;
    display: inline-grid;
    font-size: 24px;
    line-height: 44px;
    color: white;
    letter-spacing: 5px;
}

.expert_content {
    position: relative;
    padding: 20px;
    font-size: 18px;
    line-height: 30px;
    text-align: center;
    height: 200px;
}

.expert_content p {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.expert_content .more {
    position: absolute;
    display: inline-block;
    margin: 0 auto;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid;
    bottom: 40px;
    left: 50%;
}

.triangle {
    position: absolute;
    width: 0;
    height: 0;
    border-left: 9px solid transparent;
    border-right: 9px solid transparent;
    bottom: 5px;
    left: 5px;
    border-top: 13px solid #860404;
}

/* Track */
::-webkit-scrollbar {
    width: 14px;
    height: 14px;
}

::-webkit-scrollbar-track {
    background: #fdf6e3;
    border: solid 2px rgb(101 56 26 / 5%);
}

/* Thumb */
::-webkit-scrollbar-thumb {
    background: #66381b30;
}

::-webkit-scrollbar-thumb:hover {
    background: #505050;
}

::-webkit-scrollbar-thumb:active {
    background: #404040;
}

::-webkit-scrollbar-thumb:vertical {
    border-top: solid 2px rgba(33, 33, 33, 0.5);
    border-bottom: solid 2px rgba(33, 33, 33, 0.5);
}

::-webkit-scrollbar-thumb:horizontal {
    border-right: solid 2px rgba(33, 33, 33, 0.5);
    border-left: solid 2px rgba(33, 33, 33, 0.5);
}

::-webkit-scrollbar-button { /*滚动条整体样式*/
    border-style: double;
    height: 16px;
    width: 16px;
}

::-webkit-scrollbar-button:vertical:decrement {
    border-width: 0 7px 14px 7px;
    border-color: transparent transparent #404040 transparent;
}

::-webkit-scrollbar-button:vertical:decrement:hover {
    border-color: transparent transparent #505050 transparent;
}

/* Down */
::-webkit-scrollbar-button:vertical:increment {
    border-width: 14px 7px 0 7px;
    border-color: #404040 transparent transparent transparent;
}

::-webkit-scrollbar-button:vertical:increment:hover {
    border-color: #505050 transparent transparent transparent;
}