body {
  min-width: 1000px;
  font-family: "微软雅黑";
}

.nav {
  width: 100%;
  position: sticky;
  top: 0;
  background-color: rgba(103, 135, 230, 0.95);
  height: 75px;
}

.nav ul {
  list-style-type: none;
  text-align: center;
  margin-left: 3%;
}

.nav ul li {
  list-style-type: none;
  text-align: center;
  /* background-color: rgba(103,135,230,0.8); */
  color: rgb(255, 255, 255);
  line-height: 75px;
  /* width: 8.5%; */
  width: 8.5%;
  font-weight: 1000;
  font-size: 140%;
  height: 75px;
  margin: auto 0;
  float: left;
}

.nav ul li:hover {
  background-color: #000000;
  color: yellow;
}

.nav ul li:visited {
  background-color: #000000;
  color: yellow;
}

#selected {
  background-color: rgba(230, 134, 56, 0.8);
  color: blue;
}

.nav ul li a {
  color: #ffffff;
}

.nav ul li a:hover {
  color: yellow;
}
#selected:hover {
  background-color: #000000;
  color: yellow;
}
#content0 {
  font-size: 18px;
}
#content1 {
  font-size: 18px;
}
#content2 {
  font-size: 18px;
}
#content3 {
  font-size: 18px;
}
#content4 {
  font-size: 18px;
}
#content5 {
  font-size: 18px;
}
#content6 {
  font-size: 18px;
}
#content7 {
  font-size: 18px;
}
#content8 {
  font-size: 18px;
}
#content9 {
  font-size: 18px;
}
#content10 {
  font-size: 18px;
}
#content11 {
  font-size: 18px;
}
#content12 {
  font-size: 18px;
}
#content13 {
  font-size: 18px;
}
#content14 {
  font-size: 18px;
}
#content15 {
  font-size: 18px;
}
#content15 {
  font-size: 18px;
}
.header {
  text-align: center;
  height: 500px;
  weight: 100%;
  display: flex;
  background: url(../img/nju_background.jpg) no-repeat;
  background-position: center;
  background-size: cover;
}
.introduction {
  margin: auto;
  text-align: center;
  width: 60%;
  height: 300px;
  /* display: flex; */
  align-items: center;
  justify-content: center;
  vertical-align: top;
  font-size: 50px;
  font-weight: 1000;
  color: white;
  background-color: rgba(0, 0, 0, 0.5);
}
.container {
  height: auto;
  /* background-color: blue; */
  font-size: 18px;
  min-height: 800px !important;
  border: None;
  margin-left: 22%;
  margin-right: 22%;
  line-height: 200%;
}

.footer {
  background-color: rgba(236, 235, 235, 0.788);
  color: #6787e7;
  font-size: 25px;
}

a {
  text-decoration: none;
}

.pagetitle {
  font-weight: bold;
}
.continue {
  font-weight: bold;
  font-size: 6;
}
.shadow:hover {
  background-color: rgba(148, 150, 150, 0.3);
}

@media (min-width: 4000px) {
  .introduction {
    height: 400px;
  }
}
@media (max-width: 1500px) {
  .nav ul li {
    list-style-type: none;
    text-align: center;
    /* background-color: rgba(103,135,230,0.8); */
    color: rgb(255, 255, 255);
    line-height: 75px;
    width: 8.5%;
    font-weight: 1000;
    font-size: 120%;
    height: 75px;
    margin: 0 0;
    float: left;
  }
  span {
    font-size: 18px;
  }
  .container {
    height: auto;
    /* background-color: blue; */
    font-size: 18px;
    min-height: 800px !important;
    border: None;
    margin-left: 5%;
    margin-right: 5%;
    line-height: 200%;
  }
  .introduction {
    margin: auto;
    text-align: center;
    width: 80%;
    height: 300px;
    /* display: flex; */
    align-items: center;
    justify-content: center;
    vertical-align: top;
    font-size: 50px;
    font-weight: 1000;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .title1 {
    margin-top: 1%;
    font-size: 100%;
  }

  .title2 {
    clear: both;
    font-size: 75%;
  }

  .title3 {
    margin-top: 2%;
    clear: both;
    font-size: 50%;
  }
  #content0 {
    font-size: 15px;
  }
  #content1 {
    font-size: 15px;
  }
  #content2 {
    font-size: 15px;
  }
  #content3 {
    font-size: 15px;
  }
  #content4 {
    font-size: 15px;
  }
  #content5 {
    font-size: 15px;
  }
  #content6 {
    font-size: 15px;
  }
  #content7 {
    font-size: 15px;
  }
  #content8 {
    font-size: 15px;
  }
  #content9 {
    font-size: 15px;
  }
  #content10 {
    font-size: 15px;
  }
  #content11 {
    font-size: 15px;
  }
  #content12 {
    font-size: 15px;
  }
  #content13 {
    font-size: 15px;
  }
  #content14 {
    font-size: 15px;
  }
  #content15 {
    font-size: 15px;
  }
  #content16 {
    font-size: 15px;
  }
}

@media (max-width: 1300px) {
  .nav ul li {
    list-style-type: none;
    text-align: center;
    /* background-color: rgba(103,135,230,0.8); */
    color: rgb(255, 255, 255);
    line-height: 75px;
    width: 8.5%;
    /* margin: 1%; */
    font-weight: 1000;
    font-size: 100%;
    height: 75px;
    /* margin: 0 0; */
    float: left;
  }

  .container {
    /* background-color: aquamarine; */
    height: auto;
    /* background-color: blue; */
    font-size: 18px;
    min-height: 800px !important;
    border: None;
    margin-left: 5%;
    margin-right: 5%;
    line-height: 200%;
  }
  .title1 {
    margin-top: 1%;
    font-size: 100%;
  }
  .introduction {
    margin: auto;
    text-align: center;
    width: 80%;
    height: 300px;
    /* display: flex; */
    align-items: center;
    justify-content: center;
    vertical-align: top;
    font-size: 50px;
    font-weight: 1000;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .title1 {
    margin-top: 1%;
    font-size: 100%;
  }
  .title2 {
    clear: both;
    font-size: 75%;
  }

  .title3 {
    margin-top: 2%;
    clear: both;
    font-size: 50%;
  }
  #content0 {
    font-size: 15px;
  }
  #content1 {
    font-size: 15px;
  }
  #content2 {
    font-size: 15px;
  }
  #content3 {
    font-size: 15px;
  }
  #content4 {
    font-size: 15px;
  }
  #content5 {
    font-size: 15px;
  }
  #content6 {
    font-size: 15px;
  }
  #content7 {
    font-size: 15px;
  }
  #content8 {
    font-size: 15px;
  }
  #content9 {
    font-size: 15px;
  }
  #content10 {
    font-size: 15px;
  }
  #content11 {
    font-size: 15px;
  }
  #content12 {
    font-size: 15px;
  }
  #content13 {
    font-size: 15px;
  }
  #content14 {
    font-size: 15px;
  }
  #content15 {
    font-size: 15px;
  }
  #content16 {
    font-size: 15px;
  }
}

@media (max-width: 1000px) {
  .nav ul li {
    list-style-type: none;
    text-align: center;
    /* background-color: rgba(103,135,230,0.8); */
    color: rgb(255, 255, 255);
    line-height: 75px;
    width: 8.5%;
    font-weight: 1000;
    font-size: 100%;
    height: 75px;
    margin: 0 0;
    float: left;
  }
  .container {
    height: auto;
    /* background-color: blue; */
    font-size: 18px;
    min-height: 800px !important;
    border: None;
    margin-left: 5%;
    margin-right: 5%;
    line-height: 200%;
  }
  .introduction {
    margin: auto;
    text-align: center;
    width: 100%;
    height: 300px;
    /* display: flex; */
    align-items: center;
    justify-content: center;
    vertical-align: top;
    font-size: 50px;
    font-weight: 1000;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .title1 {
    margin-top: 1%;
    font-size: 100%;
  }

  .title2 {
    clear: both;
    font-size: 70%;
  }

  .title3 {
    margin-top: 2%;
    clear: both;
    font-size: 50%;
  }
  #content0 {
    font-size: 12px;
  }
  #content1 {
    font-size: 12px;
  }
  #content2 {
    font-size: 12px;
  }
  #content3 {
    font-size: 12px;
  }
  #content4 {
    font-size: 12px;
  }
  #content5 {
    font-size: 12px;
  }
  #content6 {
    font-size: 12px;
  }
  #content7 {
    font-size: 12px;
  }
  #content8 {
    font-size: 12px;
  }
  #content9 {
    font-size: 12px;
  }
  #content10 {
    font-size: 12px;
  }
  #content11 {
    font-size: 12px;
  }
  #content12 {
    font-size: 12px;
  }
  #content13 {
    font-size: 12px;
  }
  #content14 {
    font-size: 12px;
  }
  #content15 {
    font-size: 12px;
  }
  #content16 {
    font-size: 12px;
  }
}

@media (max-width: 500px) {
  .nav ul li {
    list-style-type: none;
    text-align: center;
    /* background-color: rgba(103,135,230,0.8); */
    color: rgb(255, 255, 255);
    line-height: 75px;
    width: 8.5%;
    font-weight: 1000;
    font-size: 80%;
    height: 75px;
    margin: 0 0;
    float: left;
  }

  .container {
    height: auto;
    /* background-color: blue; */
    font-size: 12px;
    min-height: 800px !important;
    border: None;
    margin-left: 5%;
    margin-right: 5%;
    line-height: 200%;
  }
  .introduction {
    margin: auto;
    text-align: center;
    width: 100%;
    height: 300px;
    /* display: flex; */
    align-items: center;
    justify-content: center;
    vertical-align: top;
    font-size: 50px;
    font-weight: 1000;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .title1 {
    margin-top: 1%;
    font-size: 100%;
  }

  .title2 {
    clear: both;
    font-size: 70%;
  }

  .title3 {
    margin-top: 2%;
    clear: both;
    font-size: 50%;
  }
  #content0 {
    font-size: 12px;
  }
  #content1 {
    font-size: 12px;
  }
  #content2 {
    font-size: 12px;
  }
  #content3 {
    font-size: 12px;
  }
  #content4 {
    font-size: 12px;
  }
  #content5 {
    font-size: 12px;
  }
  #content6 {
    font-size: 12px;
  }
  #content7 {
    font-size: 12px;
  }
  #content8 {
    font-size: 12px;
  }
  #content9 {
    font-size: 12px;
  }
  #content10 {
    font-size: 12px;
  }
  #content11 {
    font-size: 12px;
  }
  #content12 {
    font-size: 12px;
  }
  #content13 {
    font-size: 12px;
  }
  #content14 {
    font-size: 12px;
  }
  #content15 {
    font-size: 12px;
  }
  #content16 {
    font-size: 12px;
  }
}

#spotlight {
  width: 11%;
}

#selected_spotlight {
  background-color: rgba(230, 134, 56, 0.8);
  color: blue;
  width: 11%;
}

#selected_spotlight:hover {
  background-color: #000000;
  color: yellow;
  width: 11%;
}

.title1 {
  margin-top: 1%;
  font-size: 80px;
}

.title2 {
  clear: both;
  font-size: 50px;
}

.title3 {
  margin-top: 2%;
  clear: both;
  font-size: 30px;
}
.book {
  width: 80%;
  border: rgba(209, 209, 209, 0.8) solid 1px;
}

.experts {
  width: 100%;
  border: rgba(209, 209, 209, 0.8) solid 1px;
}

.photo {
  /* float: left; */
  margin-left: 0;
  /* min-width: 80%; */
}

.experts:hover {
  background-color: rgba(148, 150, 150, 0.05);
}

.book:hover {
  background-color: rgba(148, 150, 150, 0.05);
}

.normal {
  line-height: 300%;
}

.sponsor {
  color: rgb(153, 152, 152);
}
.sponsor tr td {
  border-bottom: 1px solid rgba(168, 168, 168, 0.3);
  color: #5e5e5e;
}

.accom {
  color: rgb(153, 152, 152);
}
.accom tr td {
  border-bottom: 1px solid rgba(153, 152, 152, 0.3);
  color: #5e5e5e;
}

.gray {
  font-size: 25px;
  color: rgba(153, 152, 152, 1);
}

button {
  /* font-weight:bolder; */
  /* font-style:initial; */
  font: 1em sans-serif;
  width: 200px;
  font-size: 120%;
  font-weight: bolder;
  /* color: blue; */
  height: 80px;
  color: white;
  border: 1px solid rgba(153, 152, 152, 0.3);
  border-radius: 20px;
  background-color: rgb(202, 48, 47);
}

button:hover {
  /* font-weight:bolder; */
  /* font-style:initial; */
  font: 1em sans-serif;
  width: 200px;
  font-size: 120%;
  font-weight: bolder;
  /* color: blue; */
  height: 80px;
  color: white;
  border: 1px solid rgba(153, 152, 152, 0.3);
  border-radius: 20px;
  background-color: rgba(202, 48, 47, 0.9);
}

.full {
  /* font-weight:bolder; */
  /* font-style:initial; */
  font: 1em sans-serif;
  width: 240px;
  font-size: 120%;
  font-weight: bolder;
  /* color: blue; */
  height: 80px;
  color: white;
  border: 1px solid rgba(153, 152, 152, 0.3);
  border-radius: 20px;
  background-color: gray;
}
.full:hover {
  /* font-weight:bolder; */
  /* font-style:initial; */
  font: 1em sans-serif;
  width: 240px;
  font-size: 120%;
  font-weight: bolder;
  /* color: blue; */
  height: 80px;
  color: white;
  border: 1px solid rgba(153, 152, 152, 0.3);
  border-radius: 20px;
  background-color: gray;
}

.date {
  color: #ffffff;
  background-color: rgb(229, 111, 55);
}
.time {
  /* background-color: #6787E7; */
  text-align: right;
  line-height: 100%;
  margin-bottom: 0%;
}

.session {
  width: 100%;
  border: rgba(209, 209, 209, 0.8) solid 1px;
}

.session:hover {
  background-color: rgba(148, 150, 150, 0.05);
}