/*孙立宏2020.10.09*/

.indexLogo {
    width: 3rem;
    display: block;
    position: absolute;
    left: 50%;
    top: 0.3rem;
    margin-left: -6.4rem;
    z-index: 500;
}

.indexLogo img {
    width: 100%;
}

.mobileLogo {
    display: none;
}

.Banner {
    position: relative;
    z-index: 5;
    overflow: hidden;
    background-color: #fff;
}

.slick-bg {
    width: 100%;
    height: 0;
    position: absolute;
    left: 0;
    bottom: -0.04rem;
    z-index: 300;
    background: url(../images/b_bg1.png) no-repeat bottom center;
    padding-bottom: 19.7%;
    background-size: 100%;
}

.topNav {
    position: absolute;
    left: 50%;
    bottom: 0.3rem;
    margin-left: -6.4rem;
    z-index: 500;
}

.slick-slide>a {
    display: block;
    position: relative;
}

.slick-slide>a img {
    opacity: 0.5;
    transition: opacity 0.2s ease-in-out;
}

.slick-current>a img {
    opacity: 1;
}

.slick-img {
    display: block;
    height: 0;
    padding-bottom: 47.916%;
    overflow: hidden;
    background: none;
}

.slick-txt>span {
    box-sizing: border-box;
    padding-right: 240px;
}

.Banner .slick-img video {
    position: absolute;
    width: 100%;
    left: 0px;
    top: 50%;
    transform: translateY(-50%);
    object-fit: cover;
}

.Banner .slick-dots {
    width: 240px;
    position: absolute;
    left: 50%;
    margin-left: 445px;
    bottom: 30px;
    text-align: right;
}

.Banner .slick-dots li.slick-active button,
.Banner .slick-dots li:hover button {
    background: url(../images/icon1.png) no-repeat center;
    opacity: 1;
}

.Banner .slick-dots li {
    width: 28px;
    height: 45px;
    border-radius: 0;
}

.Banner .slick-dots li button {
    background: url(../images/icon1.png) no-repeat center;
    opacity: 0.5;
    border-radius: 0;
}

.Banner .slick-dots li button::before {
    display: none;
}

.Banner-dots {
    width: auto !important;
    left: 50% !important;
    margin-left: -6.4rem;
    bottom: 1rem !important;
}

.Banner-dots>span {
    width: 0.4rem;
    height: 0.1rem;
    background-color: #fff;
    opacity: 0.2;
    border-radius: 0;
}

.Banner-dots .swiper-pagination-bullet-active {
    background-color: #fec20f;
    opacity: 1;
}

.slick-img img {
    width: 100%;
    ;
}

.Banner .swiper-slide-active .slick-img {
    animation: scaleBig 5s linear 0s 1 both;
    transform-style: preserve-3d;
}

@-webkit-keyframes scaleBig {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.12);
    }
}

@keyframes scaleBig {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.12);
    }
}

.content {
    position: relative;
    z-index: 15;
    background-color: #f4fbfe;
    z-index: 20;
    overflow: hidden;
}

.wrap_mode1 {
    position: relative;
}

.wrap_mode1:after {
    width: 100%;
    height: 100%;
    background: url(../images/c_bg1.png) no-repeat top center;
    background-size: 100% auto;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 5;
}

.wrap_mode1::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: #32aae0;
    background: -webkit-linear-gradient(left, #32aae0, #0e64c2 50%, #1b2d60);
    /* Safari 5.1 - 6.0 */
    background: -o-linear-gradient(right, #32aae0, #0e64c2 50%, #1b2d60);
    /* Opera 11.1 - 12.0 */
    background: -moz-linear-gradient(right, #32aae0, #0e64c2 50%, #1b2d60);
    /* Firefox 3.6 - 15 */
    background: linear-gradient(to right, #32aae0, #0e64c2 50%, #1b2d60);
    /* 标准的语法 */
}

.listTitle3 h2 {
    text-align: right;
    font-size: 0.275rem;
    color: #d3d3d3;
}

.mode1 {
    min-height: 2.8rem;
}

.gen {
    padding: 1.2rem 0 0.5rem 3.75rem;
    position: relative;
    z-index: 50;
}

.listTitle1 {
    width: 3.25rem;
    text-align: right;
    float: left;
}

.listTitle1 strong {
    display: block;
    font-family: 'bigcaslon';
    color: #cecece;
    text-transform: uppercase;
    font-size: 0.55rem;
    line-height: 1;
}

.listTitle1 h2 {
    font-size: 0.275rem;
    color: #fff;
}

.genCon {
    margin-left: 3.55rem;
    padding-left: 0.35rem;
    font-size: 0.16rem;
    line-height: 0.26rem;
    color: #ececec;
    text-indent: 2em;
    position: relative;
    height: 1.04rem;
    overflow: hidden;
    -webkit-line-clamp: 4;
}

.genCon a {
    color: #ececec;
}

.genCon::before {
    content: '';
    width: 6px;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    position: absolute;
    left: 0;
    top: 0;
    z-index: 0;
}

.genCon::after {
    content: '';
    width: 6px;
    height: 0.4rem;
    background-color: #fff;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
}


/*学术动态*/

.wrap_mode2 {
    background-color: #fff;
}

.mode2 {
    padding-top: 0.7rem;
}

.listTitle2 {
    width: 1.1rem;
}

.listTitle2>a {
    position: relative;
    padding-bottom: 0.4rem;
    display: block;
}

.listTitle2 h2 {
    width: 0.3rem;
    font-size: 0.275rem;
    line-height: 1.1;
    color: #4d4d4d;
    float: left;
    /*! word-break: break-all; */
    writing-mode: tb-rl;
    writing-mode: vertical-rl;
}

.listTitle2 strong {
    font-size: 0.4rem;
    font-weight: normal;
    text-transform: uppercase;
    transform-origin: 0 100%;
    writing-mode: tb-rl;
    writing-mode: vertical-rl;
    color: #cecece;
    font-family: 'bigcaslon';
    letter-spacing: -0.01rem;
    float: right;
}

.listTitle2>a:before {
    content: '';
    width: 0.06rem;
    height: 100%;
    position: absolute;
    left: 42%;
    top: 0;
    background: #32aae0;
    background: -webkit-linear-gradient(top, #32aae0, #0e64c2 50%, #1b2d60);
    /* Safari 5.1 - 6.0 */
    background: -o-linear-gradient(bottom, #32aae0, #0e64c2 50%, #1b2d60);
    /* Opera 11.1 - 12.0 */
    background: -moz-linear-gradient(bottom, #32aae0, #0e64c2 50%, #1b2d60);
    /* Firefox 3.6 - 15 */
    background: linear-gradient(to bottom, #32aae0, #0e64c2 50%, #1b2d60);
    /* 标准的语法 */
}

.more {
    padding: 0.8rem 0 0 42%;
    display: block;
}

.more i {
    width: 6px;
    height: 6px;
    display: block;
    margin-bottom: 10px;
    background-color: #1b2d60;
}

.pku-col2 {
    margin-left: 1.6rem;
}

.pku-col2.swiper-container {
    overflow: visible;
    font-size: 0;
    /* margin:0 -10px; */
}

.item-info1 {
    background-color: #f4fbfe;
    display: block;
    padding: 0.25rem 0.3rem;
    box-sizing: border-box;
    min-height: 2.14rem;
}

.item-label {
    width: 0.8rem;
    float: left;
}

.item-label span {
    width: 1rem;
    height: 0.5rem;
    display: flex;
    align-items: center;
    font-size: 0.14rem;
    box-sizing: border-box;
    padding: 0.05rem;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: 0.05rem;
    justify-content: center;
}

.pku-col2.swiper-container .swiper-slide {
    width: 50%;
    float: left;
}

.pku-col2.swiper-container .swiper-slide a {
    display: block;
    margin: 0.25rem 0.3rem;
}

.item-label strong {
    font-size: 0.14rem;
    font-family: 'Arial';
    font-weight: normal;
    color: #1e1e1e;
    padding-top: 10px;
    display: block;
}

.item-txt1 {
    margin-left: 1.1rem;
    border-left: 1px solid #ddd;
    padding-left: 0.2rem;
}

.item-txt1 h3 {
    font-weight: normal;
    line-height: 0.24rem;
    font-size: 0.18rem;
    margin-bottom: 0.2rem;
    color: #040404;
    max-height: 0.48rem;
    overflow: hidden;
    -webkit-line-clamp: 2;
    ;
}

.item-txt1 p {
    color: #505050;
    line-height: 0.24rem;
    height: 0.96rem;
    overflow: hidden;
    font-size: 0.16rem;
    -webkit-line-clamp: 4;
}

.green1 .item-label span {
    border-color: #008b26;
    color: #008b26;
}

.blue1 .item-label span {
    border-color: #0270bc;
    color: #0270bc;
}

.yellow1 .item-label span {
    border-color: #d18d16;
    color: #d18d16;
}

.purple1 .item-label span {
    border-color: #974ee2;
    color: #974ee2;
}

.red1 .item-label span {
    border-color: #c02c2c;
    color: #c02c2c;
}


/*研究方向*/

.wrap_mode3 {
    min-height: 12rem;
    background: url(../images/m_bg1.png) no-repeat top center;
    background-size: auto 100%;
}

.mode3 {
    padding-top: 1.2rem;
    padding-bottom: 2.75rem;
}

.listTitle3 {
    min-width: 2.48rem;
}

.listTitle3 strong {
    display: block;
    color: #d3d3d3;
    text-transform: uppercase;
    font-size: 0.4rem;
    font-weight: normal;
    font-family: 'Myriad Pro', Arial;
    line-height: 1;
    padding-bottom: 0.3rem;
    margin-bottom: 0.2rem;
    position: relative;
    font-family: 'bigcaslon';
}

.listTitle3 strong::before {
    content: '';
    width: 100%;
    height: 6px;
    position: absolute;
    left: 0;
    bottom: 0;
    background: #32aae0;
    background: -webkit-linear-gradient(left, #32aae0, #0e64c2 50%, #1b2d60);
    /* Safari 5.1 - 6.0 */
    background: -o-linear-gradient(right, #32aae0, #0e64c2 50%, #1b2d60);
    /* Opera 11.1 - 12.0 */
    background: -moz-linear-gradient(right, #32aae0, #0e64c2 50%, #1b2d60);
    /* Firefox 3.6 - 15 */
    background: linear-gradient(to right, #32aae0, #0e64c2 50%, #1b2d60);
    /* 标准的语法 */
}

.listTitle3 h2 {
    text-align: right;
    font-size: 0.275rem;
    color: #d3d3d3;
}

.pku-col3 {
    padding-top: 0.7rem;
}

.item-info2 {
    display: block;
    border: 0.01rem solid #00a0e9;
    padding: 0.2rem;
    text-align: center;
    position: relative;
    min-height: 100%;
    box-sizing: border-box;
}

.icon_svg {
    max-width: 60px;
    display: inline-block;
    width: 80%;
    color: #ffc400;
    font-size: 0.55rem;
}

.item-info2 svg * {
    fill: none;
    stroke: #ffc400;
    stroke-width: 9;
    stroke-miterlimit: 5;
}

.item-info2 h3 {
    font-size: 0.22rem;
    line-height: 0.26rem;
    height: 0.52rem;
    margin: 0.24rem 0;
    font-weight: normal;
    overflow: hidden;
}

.item-info2 p {
    font-size: 0.16rem;
    line-height: 0.24rem;
    text-align: left;
    text-align: justify;
    color: #e8e8e8 !important;
    overflow: hidden;
    height: 3.6rem;
}

.readMore3 {
    padding: 0.2rem 0 0;
}

.readMore3 i {
    font-size: 0.32rem;
}


/*双周能源要闻*/

.mode4 {
    margin-top: -1.4rem;
    position: relative;
    z-index: 500;
}

.listTitle4 {
    max-width: 5.6rem;
}

.listTitle4 h2 {
    text-align: left;
    color: #4d4d4d;
}

.listTitle4 strong {
    color: #cecece;
}

.pku-col4 {
    margin-top: 0.8rem;
}

.pku-col4-btns {
    position: absolute;
    bottom: 0.4rem;
    left: 6.8rem;
    z-index: 600;
    width: 1rem;
}

.pku-col4-btns .swiper-button-prev,
.pku-col4-btns .swiper-button-next {
    color: #9b9b9b;
}

.pku-col4-btns .swiper-button-prev {
    left: 0;
}

.pku-col4-btns .swiper-button-next {
    right: 0;
}

.pku-col4-btns>div:hover {
    color: #008b26;
}

.item-info3 {
    background-color: #fff;
    overflow: hidden;
}

.item-img3 {
    width: 6.4rem;
}

.item-img3 .gp-img-responsive {
    ;
}

.item-txt3 {
    margin-left: 6.4rem;
    padding: 0.2rem 0.38rem;
}

.item-label3 {
    display: block;
    font-size: 0.16rem;
    color: #008b26;
    margin-bottom: 0.2rem;
}

.item-txt3 h3 {
    font-size: 0.24rem;
    margin-bottom: 0.2rem;
}

.item-txt3 p {
    font-size: 0.16rem;
    line-height: 0.28rem;
    height: 1.12rem;
    overflow: hidden;
    margin-bottom: 0.34rem;
}

.item-date3 {
    display: block;
}

.item-date3 i {
    color: #008b26;
    margin-right: 5px;
}

.pku-list4 {
    margin: 0 -12px;
    padding-top: 0.6rem;
}

.pku-list4 li {
    margin-bottom: 0.15rem;
}

.pku-list4 li>a {
    margin: 0 12px;
}

.list-txt4 {
    background-color: #fff;
    display: block;
    padding: 0.2rem 0.3rem;
}

.list-txt4 h3 {
    font-size: 0.18rem;
    font-weight: normal;
    margin-bottom: 0.15rem;
}

.list-txt4 .item-label3 {
    margin-bottom: 0.12rem;
}

.code {
    text-align: right;
    padding: 1rem 0 0.4rem;
}


/*活动公告*/

.wrap_mode5 {
    background: url(../images/c_bg2.png) no-repeat top center;
    min-height: 13.19rem;
    margin-top: -2rem;
    position: relative;
    z-index: 600;
    background-size: auto 100%;
}

.mode5 {
    position: relative;
}

.listTitle5 {
    padding-top: 0.88rem;
    position: absolute;
    top: 0;
    left: 1rem;
    z-index: 200;
}

.listTitle5 h2 {
    color: #fff;
}

.listTitle5 .more i {
    background-color: #fff;
}

.pku-col5 {
    padding-top: 2.9rem;
}

.item-info5 .gp-img-responsive {
    padding-bottom: 49%;
}

.item-info5 h3 {
    color: #fff;
    font-size: 0.16rem;
    background-color: #05111e;
    padding: 20px 20px 30px;
    font-weight: normal;
}

.item-hd {
    width: 33.3%;
    float: left;
    padding: 0 12px;
    box-sizing: border-box;
    margin-bottom: 0.3rem;
}

.hd1,
.hd2 {
    width: calc(50% - 0.78rem);
}

.hd1 {
    margin-left: 1.56rem;
}

.pku-col5 .swiper-wrapper,
.pku-col6 .swiper-wrapper {
    display: block;
}

.item-info5 {
    display: block;
}


/*论坛讲座*/

.mode6 {
    margin-top: -0.9rem;
    position: relative;
    z-index: 700;
}

.mode6 .listTitle3 h2 {
    color: #4d4d4d;
}

.item-info6 {
    display: block;
    background-color: #fff;
    border: 1px solid #e5e5e5;
    padding: 0.15rem 0.25rem;
    margin-bottom: 0.27rem;
}

.pku-col6 {
    padding-top: 0.5rem;
    margin: 0 -0.5rem;
}

.item-top6 {
    margin-bottom: 0.15rem;
}

.item-top6 span {
    font-family: 'Arial';
    color: #878787;
    padding-top: 0.01rem;
}

.item-top6 strong {
    display: block;
    color: #033881;
    font-size: 0.16rem;
    white-space: nowrap;
    text-overflow: ellipsis;
    margin-right: 0.15rem;
    overflow: hidden;
}

.pku-col6 .swiper-slide {
    width: 50%;
    box-sizing: border-box;
    padding: 0 0.5rem;
    float: left;
}

.item-info6 h3 {
    font-size: 0.15rem;
    line-height: 0.3rem;
    height: 0.6rem;
    overflow: hidden;
    font-weight: normal;
}

.content .swiper-pagination {
    position: static;
    padding: 0.1rem 0;
}

@media screen and (min-width:1920px) {
    .wrap_mode3,
    .wrap_mode5 {
        background-size: 100% auto;
    }
}

@media screen and (min-width:1020px) {
    .pku-list4 li>a,
    .item-info1,
    .item-info3,
    .item-info5,
    .item-info6,
    .readMore3 i,
    .pku-col4 {
        transition: all 0.4s ease-out
    }
    .pku-list4 li>a:hover,
    .item-info5:hover,
    .item-info6:hover,
    .pku-col4:hover {
        box-shadow: 0 0 13px rgba(0, 0, 0, 0.15);
        transform: translateY(-10px);
    }
    .item-info1:hover {
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
        transform: translateY(-10px);
    }
    .item-info3:hover h3,
    .item-info3:hover .item-date3,
    .list-txt4:hover h3,
    .list-txt4:hover .item-date3 {
        color: #008b26;
    }
    .item-info3:hover p {
        color: #333;
    }
    .icon_svg {
        transition: all 0.9s ease-out;
    }
    .item-info2:hover .icon_svg {
        transform: rotateY(180deg);
    }
    .item-info2:hover .readMore3 i,
    .item-info2:hover h3 {
        color: #ffc400;
    }
}

@media screen and (max-width:1300px) {
    .wrap_mode5 {
        margin-top: -1rem;
    }
}

@media screen and (max-width:996px) {
    .gen {
        padding-left: 0;
    }
    .mode4 {
        margin-top: -1rem;
    }
    .pku-col2 {
        margin-left: 1.2rem;
        margin-bottom: 0.25rem;
    }
    .pku-col6 .swiper-slide {
        padding: 0 0.15rem;
    }
    .pku-col6 {
        margin: 0 -0.15rem;
    }
    .code {
        padding-top: 0.5rem;
    }
    .indexLogo {
        margin: 0;
        left: 0.15rem;
        top: 0.1rem;
    }
    .mobileLogo {
        display: block;
    }
    .webLogo,
    .topNav {
        display: none;
    }
    .gen {
        padding-top: 1.6rem;
    }
    .gp-menu {
        display: block;
    }
    .listTitle5 {
        left: 0.5rem;
    }
    .Banner-dots {
        margin: 0 !important;
        left: 0.5rem !important;
        bottom: 0 !important;
    }
    .item-info2 p {
        line-height: 24px;
        height: auto;
        -webkit-line-clamp: 8;
        min-height: 192px;
    }
    .item-txt1 h3,
    .item-txt1 p {
        height: auto;
    }
    .item-img3 {
        width: 4.5rem;
    }
    .item-txt3 {
        margin-left: 4.5rem;
        padding: 0.2rem;
    }
    .item-txt3 p {
        height: auto;
        -webkit-line-clamp: 3;
        margin-bottom: 0.15rem;
    }
    .pku-col4-btns {
        left: 4.8rem;
    }
}

@media screen and (max-width: 767px) {
    .pku-col2.swiper-container .swiper-slide {
        width: 100%;
    }
    .item-info2 p {}
    .listTitle1 {
        float: none;
    }
    .genCon {
        margin-left: 0;
        margin-top: 0.2rem;
    }
    .listTitle1 {
        text-align: left;
    }
    .gen {
        padding: 1rem 0 0.5rem;
    }
    .content {
        overflow: hidden;
    }
    /* .mode3 {padding-bottom: 1.5rem;} */
    .wrap_mode3 {
        min-height: auto;
        background-size: auto 100%;
        background-position: right center;
    }
    /* .listTitle1 h2{font-size: 0.2rem;}*/
    .listTitle1 strong {
        font-size: 0.3rem;
    }
    .listTitle1 h2 {
        font-size: 0.25rem;
    }
    .mode4 {
        margin-top: 0.35rem;
    }
    .pku-col6 .swiper-slide {
        padding: 0;
        float: none;
        width: 100%;
        margin-bottom: 0.15rem;
    }
    .pku-col6 {
        margin: 0;
    }
    .pku-col5 .swiper-wrapper,
    .pku-col2 .swiper-wrapper {
        display: flex;
        display: -webkit-flex;
    }
    /* .pku-col6 .swiper-wrapper, */
    .item-info6 {
        margin-bottom: 0;
    }
    .item-hd {
        margin: 0;
    }
    .wrap_mode5 {
        background-size: auto 100%;
        min-height: auto;
        padding: 0.1rem 0 1.2rem;
        background-position: left center;
        margin-top: 0;
    }
    .code {
        text-align: center;
    }
    .item-txt3 {
        margin: 0;
    }
    .pku-col4 {
        margin-top: 0.2rem;
    }
    .listTitle3 strong,
    .listTitle2 strong,
    .listTitle3 strong {
        font-size: 0.3rem;
    }
    .listTitle4 h2,
    .listTitle2 h2,
    .listTitle3 h2 {
        font-size: 0.25rem;
    }
    .mode6 {
        margin-top: 0;
    }
    .listTitle2 {
        width: 0.8rem;
    }
    .pku-col2 {
        margin-left: 0.95rem;
    }
    .mode2 {
        padding-top: 0.35rem;
    }
    .mode03 .listTitle3 strong {
        text-align: right;
    }
    .listTitle3 {
        min-width: 0.5rem;
    }
    .pku-col3 {
        padding-top: 0.35rem;
    }
    .mode3 {
        padding-bottom: 1rem;
        padding-top: 0.35rem;
    }
    .pku-list4 {
        padding-top: 0.25rem;
    }
    .code {
        padding: 0.25rem 0;
    }
    .pku-col5 {
        padding-top: 1.5rem;
        margin-left: 0.8rem;
    }
    .listTitle2 {
        left: 0.15rem;
    }
    .item-hd {
        padding: 0 0.08rem;
    }
    .Banner-dots {
        left: 0.15rem !important;
    }
    .pku-col4-btns {
        left: auto;
        right: 0.5rem;
    }
    .item-txt1 h3 {
        height: auto;
    }
    .item-txt1 p {
        -webkit-line-clamp: 3;
        height: auto;
    }
    .item-txt3 p {
        -webkit-line-clamp: 3;
        height: auto;
        min-height: 0.84rem;
    }
    .pku-col2.swiper-container {
        overflow: hidden;
    }
    .item-txt3 {
        padding: 0.2rem;
    }
    .item-txt3 h3 {
        font-size: 0.22rem;
    }
    .content .swiper-pagination-fraction,
    .content .swiper-pagination-custom,
    .content .swiper-container-horizontal>.swiper-pagination-bullets {
        bottom: 0;
        position: static;
        padding-top: 0.12rem;
    }
}

@media screen and (max-width:640px) {
    .item-info1 {
        min-height: auto;
    }
}

@media screen and (max-width:480px) {
    .indexLogo {
        width: 2.4rem;
    }
    .Banner-dots>span {
        width: 0.4rem;
        height: 0.07rem;
    }
}