html,
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
pre,
form,
fieldset,
input,
textarea,
blockquote,
th,
td {
  margin: 0px;
  padding: 0px;
}
header,
footer,
section,
article,
aside,
nav,
hgroup,
address,
figure,
figcaption,
menu,
details {
  display: block;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
fieldset,
img {
  border: 0px;
}
i,
em {
  font-style: normal;
}
address,
caption,
em,
code {
  font-style: normal;
  font-weight: normal;
}
pre,
code,
kbd,
samp {
  font-family: inherit;
}
ol,
ul {
  list-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
  padding: 0;
  margin: 0;
}
a {
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-tap-highlight-color: transparent;
  color: #333;
}
body {
  font-family: "Microsoft Yahei", "SimSun", sans-serif !important;
  margin: 0 auto;
  color: #333;
  width: 100%;
  height: 100%;
  background-color: #333;
  padding-bottom: 50px;
  overflow-x: hidden;
  font-size: unset;
}
input:focus,
textarea:focus {
  outline: none;
}
input,
textarea,
select {
  font-family: inherit;
  font-weight: inherit;
}
input,
textarea {
  -webkit-appearance: none;
  -moz-appearance: none;
  -o-appearance: none;
  appearance: none;
  border: 0;
  background: none;
}
input::-webkit-input-placeholder {
  color: #ccc;
}

/*clear*/
.clearfix:after {
  content: ".";
  display: block;
  visibility: hidden;
  overflow: hidden;
  clear: both;
  height: 0;
}
.clearfix {
  zoom: 1;
}
.clearFloat {
  clear: both;
}
.fl {
  float: left;
}
.fr {
  float: right;
}

body {
  background-color: #f3f5f7;
  position: relative;
}
.w-1400 {
  width: 1400px;
  margin: 0 auto;
  /* border-radius: 12px 12px 12px 12px; */
  position: relative;
}
.w-1045 {
  width: 1005px;
  padding: 20px;
  margin-top: 20px;
  background: #ffffff;
  border-radius: 12px 12px 12px 12px;
}
.zhuanti-contain {
  background: url(./bg.jpg) no-repeat center top;
  background-size: 1920px 300px;
}
.zhuanti-contain .bread-cr {
  padding: 20px 0;
  font-size: 13px;
  color: #4d555d;
}
.zhuanti-contain .bread-cr .fg {
  padding: 0 12px;
}
.bread-cr a{
  color: #999 ;
}
.zhuanti-contain .bread-cr .cur-t {
  color: #222222;
}

.bread-cr a:last-of-type {
  color: #000;
}

.zhuanti-part2 {
}
.zhuanti-part2 .zt-item {
  /* width: 326px; */
  padding-bottom: 30px;
  display: flex;
}

.zhuanti-part2 .zt-item .zt-cover {
  width: 326px;
  height: 130px;
  border-radius: 12px;
  position: relative;
}
.zhuanti-part2 .zt-item .zt-cover img {
  width: 326px;
  height: 130px;
  border-radius: 12px;
}
.zhuanti-part2 .zt-item .zt-cover .zt-tip {
  width: 64px;
  height: 24px;
  background: url(./jb.png) no-repeat;
  background-size: contain;
  position: absolute;
  top: 0;
  left: 0;
  text-align: center;
  line-height: 24px;
  font-size: 13px;
  color: #ffffff;
}
.zhuanti-part2 .zt-item .zt-cover .zt-tip span {
  padding-right: 10px;
}
.zhuanti-part2 .zt-item .zt-info {
  padding-top: 15px;
}
.zhuanti-part2 .zt-item .zt-info .zt-title {
  padding-top: 12px;
  padding-left: 10px;
  color: #333333;
  font-weight: bold;
  /* line-height: 15px; */
}
.zhuanti-part2 .zt-item .zt-info .zt-des {
  font-size: 13px;
  color: #999999;
  padding-top: 8px;
  padding-left: 10px;
}
.zhuanti-part2 .zt-item .zt-info .zt-date {
  font-size: 12px;
  color: #999999;
  padding-top: 10px;
  padding-left: 10px;
}
.zhuanti-part2 .zt-item .zt-info .zt-date .zt-ll {
  border-left: 1px solid #eee;
  display: inline-block;
  margin-left: 10px;
  padding-left: 10px;
  line-height: 8px;
}
.block1 {
  background: #ffffff;
  border-radius: 12px 12px 12px 12px;
  padding: 20px;
}

.b-title {
  font-size: 20px;
  font-weight: bold;
  color: #333333;
}
.a-line {
  display: inline-block;
  width: 6px;
  height: 16px;
  background: linear-gradient(180deg, #ff4734 0%, #f51e29 100%);
  border-radius: 3px 3px 3px 3px;
  margin-right: 12px;
}
.block1 .b-video-contain {
  display: flex;
  justify-content: space-between;
  /* align-items: center; */
  padding-top: 20px;
}
.block1 .b-video-contain .lf-video {
  width: 670px !important;
  /* height: 378px !important; */
  background: rgba(23, 37, 47, 0.7216);
}
.block1 .b-video-contain #study-player{
  height: 378px !important;
}
.block1 .b-video-contain .rt-des {
  width: 670px;
  min-height: 378px;
  border-radius: 10px;
  background: linear-gradient(180deg, #fff5f5 0, #ffffff 120px);
}
.block1 .b-video-contain .des-title {
  font-size: 20px;
  font-weight: bold;
  color: #333333;
  display: flex;
  align-items: center;
  padding-left: 20px;
  padding-top: 20px;
}
.block1 .b-video-contain .des-title img {
  width: 28px;
  padding-right: 8px;
}
.block1 .b-video-contain .des-txt {
  padding-left: 20px;
  padding-top: 20px;
  padding-top: 20px;
  /* display: flex;
  flex-wrap: wrap;
  justify-content: space-between; */
}
.block1 .b-video-contain .des-txt div {
  padding-bottom: 20px;
  /* width: 49%; */
  color: #222222;
  font-size: 16px;
}
.block1 .b-video-contain .des-txt div span {
  color: #939699;
}
.block1 .zhuanti-explain {
  background: #f9fafb;
  border-radius: 6px 6px 6px 6px;
  padding: 20px 40px 20px 20px;
  margin-top: 20px;
}
.block1 .zhuanti-explain .des-title {
  font-size: 22px;
  font-weight: bold;
  color: #333333;
  display: flex;
  align-items: center;
}
.block1 .zhuanti-explain .des-title img {
  width: 20px;
  padding-right: 8px;
}
.block1 .zhuanti-explain .zt-des {
  font-size: 16px;
  color: #4d555d;
  padding: 15px 0;
  line-height: 28px;
}
.block1 .zhuanti-explain .zt-date {
  font-size: 13px;
  color: #999999;
}

.st {
  width: 100%;
  border-radius: 12px;
  position: relative;
  margin-top: 30px;
  padding: 1px 0;
}
.st:hover{background: #f9fafb;}
.st-head {
  font-size: 15px;
  font-weight: bold;
  color: #333333;
  padding-top: 10px;
  padding-left: 10px;
}
.st-head span {
  display: inline-block;
  font-size: 15px;
  font-weight: bold;
  color: #333333;
  width: 56px;
  height: 20px;
  background: linear-gradient(270deg, #ffab66 0%, #ff6000 100%);
  border-radius: 10px 10px 0px 10px;
  font-size: 12px;
  font-weight: 400;
  color: #ffffff;
  text-align: center;
  line-height: 20px;
}
.st-options {
  padding-top: 5px;
  padding-bottom: 10px;
  color: #333333;
  font-size: 14px;
}
.st-options div {
  padding-left: 10px;
  padding-top: 14px;
  padding-right: 300px;
}
.st-options span {
  color: #888888;
}
.st-analysis{display: none; padding: 16px 16px 16px 30px;background-color: #F8F8F8;margin-top: 20px;}
.st-analysis-answer{font-size: 14px;font-weight: 900;}
.st-analysis-answer>em{color: #e13b29;font-weight: 900;}
.st-analysis-info{font-size: 14px;line-height: 26px;margin-top: 8px;}
.st-analysis-info>em{font-weight: 900;}
.st-itemBtn{display: flex;justify-content: flex-end; margin-top: -52px;margin-right: 20px;margin-bottom: 20px;}
.zhankai .st-analysis{display: block;}
.st .dt-btn,.st .ckda-btn {
  width: 128px;
  height: 40px;
  background: #ffffff;
  border: 1px solid #939699;
  border-radius: 20px;
  text-align: center;
  line-height: 40px;
  margin-left: 10px;
}
.st .dt-btn .b-img {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: url(./b_b.png) no-repeat;
  background-size: contain;
  vertical-align: middle;
}

.st .dt-btn:hover,.st .ckda-btn:hover {
  background: linear-gradient(270deg, #ff4734 0%, #f51e29 100%);
  border: none;

  color: #ffffff;
}
.st .dt-btn:hover .b-img {
  background: url(./b_w.png) no-repeat;
  background-size: contain;
}
.st .ckda-btn{right: 160px;border-color: #FF5B06;color: #e13b29;}
.teacher-contain {
  display: flex;
  flex-wrap: wrap;
  padding-top: 30px;
}
.teacher-contain .t-item {
  width: 50%;
  display: flex;
  margin-bottom: 20px;
}
.teacher-contain .t-item .t-img-bg {
  width: 200px;
  height: 230px;
  background: url(./bg3.png) no-repeat;
  background-size: contain;
  flex-shrink: 0;
  overflow: hidden;
  text-align: center;
}
.teacher-contain .t-item .t-img {
  width: 148px;
  padding-top: 28px;
}
.teacher-contain .t-item .t-info {
  padding-left: 15px;
}
.teacher-contain .t-item .t-info .t-name {
  font-size: 18px;
  font-weight: bold;
  color: #333333;
  padding-bottom: 10px;
}
.teacher-contain .t-item .t-info .t-tag {
  display: flex;
  padding-bottom: 5px;
}
.teacher-contain .t-item .t-info .t-tag .tag-item {
  flex-shrink: 0;
  padding: 2px 8px;
  margin-right: 10px;
  margin-bottom: 10px;
  background: linear-gradient(49deg, #fadfc8 0%, #fff1e6 100%);
  border-radius: 4px 4px 4px 4px;
  color: #8c3111;
  font-size: 12px;
}
.teacher-contain .t-item .t-info .t-des {
  width: 265px;
  font-size: 13px;
  font-weight: 400;
  color: #4d555d;
  line-height: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 30px;
}
.teacher-contain .t-item .t-info .t-btn {
  display: inline-block;
  width: 120px;
  height: 32px;
  background: linear-gradient(270deg, #ff4734 0%, #f51e29 100%);
  border-radius: 18px 18px 18px 18px;
  color: #ffffff;
  font-size: 14px;
  text-align: center;
  line-height: 32px;
  transition: 0.4s;
}
.teacher-contain .t-item .t-info .t-btn:hover {
  transform: translateY(-5px);
}
.zhuanti-part1 {
  display: flex;
  /* justify-content: space-between; */
  align-items: center;
  flex-wrap: wrap;
  margin-top: 30px;
}
.zhuanti-part1 .zt-item {
  width: 33%;
  padding-bottom: 28px;
  display: inline-block;
  height: 220px;
}
.zhuanti-part1 .zt-item:hover .zt-title{color:#f51e29;}
.zhuanti-part1 .zt-item .zt-cover {
  width: 314px;
  height: 125px;
  border-radius: 12px;
  position: relative;
}
.zhuanti-part1 .zt-item .zt-cover img {
  width: 314px;
  height: 125px;
  border-radius: 12px;
}
.zhuanti-part1 .zt-item .zt-cover .zt-tip {
  width: 64px;
  height: 24px;
  background: url(./jb.png) no-repeat;
  background-size: contain;
  position: absolute;
  top: 0;
  left: 0;
  text-align: center;
  line-height: 24px;
  font-size: 13px;
  color: #ffffff;
}
.zhuanti-part1 .zt-item .zt-cover .zt-tip span {
  padding-right: 10px;
}
.zhuanti-part1 .zt-item .zt-title {
  padding-top: 12px;
  padding-left: 10px;
  color: #333333;
  font-weight: bold;
  /* line-height: 15px; */
  width: 300px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.zhuanti-part1 .zt-item .zt-des {
  font-size: 13px;
  color: #999999;
  padding-top: 6px;
  padding-left: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-all;
  max-height: 92px;
}
.zsdpdf-box{padding: 30px 0 30px 20px;background-color: #fff;border-radius: 10px;margin-top: 20px;}
.pdf-contain{padding-top: 2px;display: flex;flex-wrap: wrap;}
.pdf-contain>a{padding: 22px 30px 16px 88px;width: 318px;margin-right: 22px;margin-top: 24px;background-color: #F9F9F9;border-radius: 4px;position: relative;}
.pdf-contain>a>img{position: absolute;top: 18px;left: 16px;width: 60px;}
.pdf-contain>a>h3{font-size: 16px;line-height: 24px;min-height: 48px;}
.pdfItem-tip{height: 18px;margin-top: 12px;font-size: 14px;color: #666;}
.pdfItem-btn{position: absolute;bottom: 10px;right: 30px;width: 72px;height: 28px;line-height: 28px;text-align: center;border-radius: 100px;border: 1px solid #FF5B06;font-size: 14px;color: #E13B29;transition: .4s;}
.pdf-contain>a:hover>h3{color:#e13b29;}
.pdfItem-btn:hover{transform: translateY(-3px);}

.z-title {
  font-size: 48px;
  font-weight: bold;
  color: #f51e29;
  padding: 40px 0 60px 0;
}
.f-grid {
  /* display: flex; */
  display: grid;
  grid-template-columns: 1fr 1fr; /* 左右两列宽度平分 */
  grid-template-rows: auto; /* 自动高度 */
}
.f-lf {
  /* flex: 1; */
}
.cont-s {
  /* flex: 1; */
  height: 100%;
  /* width: 500px; */
  width: 335px;
  margin-left: 20px;
  margin-top: 20px;
}
.mulu-box {
  width: 335px;
  position: sticky;
  top: 0;
  /* right: 0; */
  margin-top: 20px;
}
.mulu-ul {
  width: 100%;
  background: #ffffff;

  border-radius: 12px 12px 12px 12px;
  padding: 30px 0;
}
.mulu-ul .mulu-li {
  padding: 18px 20px 18px 40px;

  font-size: 18px;
  font-weight: bold;
  color: #333333;
}
.mulu-ul .mulu-li.on {
  border-left: 4px solid #f51e29;
  background: linear-gradient(
    90deg,
    rgba(245, 30, 41, 0.102) 0%,
    rgba(245, 30, 41, 0) 100%
  );
  padding-left: 36px;
}
.mulu-ul .mulu-li i {
  display: inline-block;
  width: 16px;
  height: 16px;
  background-image: url(./hjt.png);
  background-size: contain;
}
.mulu-ul .mulu-li:hover {
  border-left: 4px solid #f51e29;
  background: linear-gradient(
    90deg,
    rgba(245, 30, 41, 0.102) 0%,
    rgba(245, 30, 41, 0) 100%
  );
  padding-left: 36px;
}
.mulu-ul .mulu-li:hover a {
  color: #f51e29;
}
.mulu-ul .mulu-li:hover i {
  /* background: url(./hjt.png) no-repeat;
  background-size: contain; */
}
.w-250 {
  width: 250px;
  display: inline-block;
}
.zhuanti-title-ul {
  padding-left: 60px;
  padding-top: 20px;
}
.title-li {
  padding: 0 20px 20px 0;
}
.title-li a {
  font-size: 14px;
  font-weight: 400;
  color: #4d555d;
}
.title-li a:hover {
  color: #f51e29;
}

.limit-remind {
  /*position: absolute;*/
  margin: 0px;
  height: 32px;
  line-height: 32px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 14px;
  font-weight: normal;
  z-index: 1;
  text-align: center;
  /* width: 542px; */
}
.limit-remind a {
  color: #dab178;
  margin-left: 4px;
  text-decoration: underline;
}