/* http://meyerweb.com/eric/tools/css/reset/ 
  v2.0 | 20110126
  License: none (public domain)
*/
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 14px;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}
a {
  text-decoration: none;
}
a:active {
  background-color: transparent;
}
/* è‡ªå®šä¹‰ */
* {
  box-sizing: border-box;
  font-family: "微软雅黑";
}
body {
  background: #ffffff;
  min-width: 1200px;
}
.overflow-one {
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.overflow-two {
  overflow: hidden;
  text-overflow: ellipsis; 
  display: -webkit-box; 
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  word-break: break-all; 
}
.flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -ms-flex-wrap: wrap;
  -moz-flex-wrap: wrap;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
}
.container {
  width: 1200px;
  margin: 0 auto;
}
.none {
  display: none!important;
}
/* å¤´éƒ¨ */
.head-bg {
  height: 61px;
  background: #FFFFFF;
  border-bottom: 1px solid #EEEEEE;
}
header {
  height: 60px;
  line-height: 60px;
  color: #424242;
}
header .container {
  padding: 0;
}
header a {
  color: #424242;
}
header h1 {
  font-size: 18px;
  font-weight: bold;
  margin-right: 70px;
  float: left;
  line-height: inherit;
}
header nav a {
  padding: 0 9px;
  margin-right: 18px;
  height: 60px;
  float: left;
  transition: 0.2s;
}
header nav a:hover {
  color: #0072FF;
  text-decoration: none;
}
header nav .active {
  font-weight: bold;
  border-bottom: 4px solid #0072FF;
}
header .search {
  float: left;
  margin-left: 10px;
}
header .search input {
  width: 200px;
  height: 32px;
  border-radius: 20px;
  line-height: 32px;
  padding-left: 20px;
  outline: none;
  border: 1px solid #DDDDDD;
}
header .search input::-webkit-input-placeholder{
  color: #BBBBBB;
}
header .search input:-moz-placeholder {
  color: #BBBBBB;
}
header .search input::-moz-placeholder {
  color: #BBBBBB;
}
header .search input:-ms-input-placeholder {
  color: #BBBBBB;
}
header .search .search-btn {
  width: 60px;
  height: 32px;
  background: #0072FF;
  border-radius: 20px;
  text-align: center;
  margin-left: 6px;
  display: inline-block;
  line-height: 32px;
  cursor: pointer;
  transition: 0.2s;
  color: #fff;
}
header .search .search-btn:hover {
  opacity: 0.8;
}
header .login {
  width: 60px;
  height: 32px;
  border-radius: 4px;
  border: 1px solid #DDDDDD;
  line-height: 30px;
  text-align: center;
  float: right;
  margin-top: 14px;
  cursor: pointer;
  transition: 0.2s;
}
header .login:hover {
  background: #0072FF;
  border-color: #0072FF;
  color: #fff;
}
header .after-login {
  float: right;
}
header .after-login a {
  margin-right: 20px;
  text-decoration: none;
}
header .after-login i {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
}
header .after-login .notifications {
  background: url("../imgs/icon.png") -80px -20px;
}
header .after-login .notifications:hover {
  background: url("../imgs/icon.png") -50px -50px;
}
header .after-login .messages {
  background: url("../imgs/icon.png") -80px 0;
}
header .after-login .messages:hover {
  background: url("../imgs/icon.png") -10px -50px;
}
header .after-login .user-name {
  display: inline-block;
  height: 32px;
  border-left: 1px solid #EEEEEE;
  vertical-align: middle;
  line-height: 32px;
  max-width: 120px;
  position: relative;
}
header .after-login .user-name img {
  width: 32px;
  height: 32px;
  float: left;
  margin: 0 6px 0 20px;
  border-radius: 50%;
}
header .after-login .user-list-container {
  position: absolute;
  top: 32px;
  right: 0px;
  display: none;
  padding-top: 8px;
  z-index: 3;
}
header .after-login .user-name:hover .user-list-container {
  display: block;
}
header .after-login .user-list {
  width: 160px;
  background-color: #fff;
  border: 1px solid rgba(0,0,0,.15);
  box-shadow: 0 6px 12px rgb(0 0 0 / 18%);
  border-radius: 4px;
  padding: 5px 0 15px;
}
header .after-login .user-list li {
  height: 26px;
  line-height: 26px;
}
header .after-login .user-list li a {
  padding: 0 20px;
  color: #333;
  display: block;
  transition: 0.2s;
  width: 100%;
}
header .after-login .user-list li a:hover {
  background-color: #f5f5f5;
}
header .after-login .user-list li.logout {
  border-top: 1px solid #e5e5e5;
  padding-top: 9px;
  margin-top: 9px;
}


/* é¡µè„š */
footer {
  border-top: 2px solid #eee;
  padding-top: 12px;
}
footer h5 {
  color: #424242;
  margin: 21px 0 8px 0;
  font-weight: normal;
}
footer .pdfasset {
  margin-top: 19px;
}
footer .link a, footer .link span {
  font-size: 12px;
  color: #999999;
  line-height: 24px;
  display: inline-block;
  transition: 0.2s;
}
footer .link a:hover {
  color: #0072FF
}
footer .border a::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 12px;
  background-color: #999999;
  margin: 0 2px -2px 4px;
}
footer .border a:nth-last-child(1)::after {
  display: none;
}
footer .beian {
  height: 48px;
  background: #F5F5F5;
  line-height: 48px;
  color: #424242;
  font-size: 12px;
  text-align: center;
  margin-top: 26px;
}
footer .beian a {
  color: #424242;
  transition: 0.2s;
  font-size: 12px;
}
footer .beian a:hover {
  color: #0072FF
}

/* banner */
.banner {
  display: block;
  margin-top: 20px;
  background: #BBBBBB;
  width: 100%;
  height: 100px;
  border-radius: 4px;
  color: #FFFFFF;
  font-size: 20px;
  line-height: 100px;
  text-align: center;
}
.banner img {
  width: 100%;
  height: 100px;
  border-radius: 4px;
}
/* é¡µé¢å¸ƒå±€å·¦ä¾§ */
.main-left {
  width: 880px;
}

/* é¡µé¢å¸ƒå±€å³ä¾§ */
.main-right {
  width: 300px;
  padding-top: 30px;
}
.main-right .tab {
  border-radius: 8px 8px 8px 8px;
  padding: 10px;
  margin-bottom: 20px;
}
.main-right .tab h4 {
  line-height: 20px;
  margin: 10px 0 24px 0;
  font-size: 18px;
  font-weight: normal;
}
.main-right .tab h4>i {
  float: left;
  width: 24px;
  height: 24px;
  margin: 0 10px
}
.main-right .tab h4 .writer {
  background: url("../imgs/writer.png") no-repeat center;
}
.main-right .tab h4 .same {
  background: url("../imgs/same.png") no-repeat center;
}
.main-right .tab h4 .recommend {
  background: url("../imgs/recommend.png") no-repeat center;
}
.main-right .tab h4 .more {
  color: #666666;
  float: right;
  margin: 1px 10px 0 0;
}
.main-right .tab h4 .topic {
  background: url("../imgs/topic.png") no-repeat center;
}
.main-right .tab h4 .more i {
  display: inline-block;
  width: 5px;
  height: 10px;
  background: url("../imgs/more.png") -5px -0px;
  margin-left: 5px;
  transition: color 0.2s;
}
.main-right .tab h4 .more:hover {
  color: #0072FF
}
.main-right .tab h4 .more:hover i {
  background: url("../imgs/more.png") -0px -0px;
} 
.main-right .tab .content {
  width: 280px;
  background: #FFFFFF;
  border-radius: 8px;
}
.main-right .tab.blue {
  background: #EBF8FF;
}
.main-right .tab.green {
  background: #EBFFF0;
}
.main-right .tab.purple {
  background: #F3F6FF;
}
.main-right .tab.orange {
  background: #FFF6E5;
}
.main-right .position-tab .content {
  padding: 7px 10px;
}
.main-right .position-tab .content ul li {
  line-height: 38px;
  color: #424242;
  height: 38px;
}
.main-right .position-tab .content ul li i {
  width: 16px;
  height: 19px;
  text-align: center;
  line-height: 19px;
  float: left;
  color: #fff;
  font-size: 12px;
  background: url("../imgs/4.png");
  font-style: normal;
  margin-top: 10px;
}
.main-right .position-tab .content ul li i.first {
  background: url("../imgs/1.png");
}
.main-right .position-tab .content ul li i.second {
  background: url("../imgs/2.png");
}
.main-right .position-tab .content ul li i.third {
  background: url("../imgs/3.png");
}
.main-right .position-tab .content ul li i p {
  transform: scale(0.8333);
}  
.main-right .position-tab .content ul li img {
  width: 24px;
  height: 24px;
  margin: 6px 4px 0 10px;
  float: left;
  border-radius: 50%;
}
.main-right .position-tab .content ul li .name {
  max-width: 120px;
  display: inline-block;
  color: #424242;
  transition: 0.2s;
}
.main-right .position-tab .content ul li .name:hover {
  color: #0072FF
}
.main-right .position-tab .content ul li .num {
  float: right;
  color: #0072FF;
  font-size: 12px;
}
.main-right .topic-tab .content  {
  padding: 14px 0 4px 10px;
}
.main-right .topic-tab .content a {
  background: #F3F6FF;
  color: #3F4EAB;
}
.main-right .topic-tab .content a:hover {
  background: #838FE4;
  color: #fff;
}
.main-right .same-question .content {
  padding: 15px 10px 1px 10px;
}
.main-right .same-question .content li {
  margin-bottom: 12px;
  color: #999999;
  font-size: 12px;
  line-height: 19px;
}
.main-right .same-question .content li a {
  color: #424242;
  transition: 0.2s;
}
.main-right .same-question .content li a:hover {
  color: #0072FF;
}
.main-right .same-question .content .blue {
  color: #0072FF;
  font-size: 12px;
}
/* æ ‡ç­¾ */
.tags a {
  height: 32px;
  background: #EBF8FF;
  border-radius: 4px;
  line-height: 32px;
  padding: 0 10px;
  max-width: 260px;
  display: inline-block;
  color: #0072FF;
  margin: 0 5px 9px 0;
  transition: 0.2s;
}
.tags a:hover {
  color: #FFFFFF;
  background: #0072FF;
}
/* æç¤º */
@keyframes enter {
  from {
    top: 20px;
    opacity: 0;
  }
  to {
    top: 70px;
    opacity: 1;
  }
}
.top-tip {
  width: 1200px;
  height: 48px;
  line-height: 48px;
  position: absolute;
  z-index: 2;
  top: 70px;
  left: calc(50% - 600px);
  font-size: 14px;
  color: #424242;
  border-radius: 8px;
  padding: 0 20px;
  box-sizing: border-box;
  animation: enter 0.5s;
}
.top-tip .icon {
  width: 16px;
  height: 16px;
  background: url("../imgs/tips.png") -13px -0px no-repeat;
  float: left;
  margin: 16px 10px 0 0;
}
.top-tip .close {
  width: 13px;
  height: 13px;
  background: url("../imgs/tips.png") 0px 0px no-repeat;
  float: right;
  margin: 17px 0 0 0;
  cursor: pointer;
  transition: 0.2s;
}
.top-tip .close:hover {
  opacity: 0.8;
}
.danger {
  border: 1px solid #FF9FA0;
  background: #FFF2F0;
}
.warn {
  border: 1px solid #FFE58F;
  background: #FFFBE6;
}
.warn .icon {
  background-position: -29px -0px;
}
.warn span {
  width: 68px;
  height: 24px;
  background: #0072FF;
  color: #FFFFFF;
  font-size: 12px;
  line-height: 24px;
  text-align: center;
  border-radius: 4px;
  display: inline-block;
  margin-left: 16px;
  cursor: pointer;
  transition: 0.2s;
}
.warn span:hover {
  opacity: 0.8;
}
.email-layer {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4;
}
.email-layer .layer-main {
  width: 500px;
  background: #FFFFFF;
  box-shadow: 0px 16px 30px 1px rgba(0,0,0,0.08);
  border-radius: 8px;
  padding: 23px 20px 64px 20px;
  box-sizing: border-box;
  color: #666;
  font-size: 14px;
}
.email-layer .layer-main h4 {
  font-size: 16px;
  font-weight: normal;
} 
.email-layer .layer-main .layer-close {
  width: 13px;
  height: 13px;
  background: url("../imgs/tips.png") 0px 0px no-repeat;
  float: right;
  cursor: pointer;
  transition: 0.2s;
}
.email-layer .layer-main .layer-close:hover {
  opacity: 0.8;
}
.email-layer .layer-main .layer-tip {
  width: 440px;
  background: #FFFBE6;
  border-radius: 4px 4px 4px 4px;
  border: 1px solid #FFE58F;
  margin: 41px auto 33px;
  color: #424242;
  line-height: 20px;
  padding: 9px 18px 9px 20px;
}
.email-layer .layer-main .green {
  border: 1px solid #96CF9D;
  background: #ECFFD9;
  color: #075311;
  font-size: 13px;
}
.email-layer .layer-main .change-email {
  width: 440px;
  height: 40px;
  background: #F8F8F8;
  border-radius: 8px;
  border: 1px solid #EEEEEE;
  margin: 12px auto 23px;
  color: #424242;
  line-height: 40px;
  padding-left: 10px;
}
.email-layer .layer-main .change-email a {
  float: right;
  width: 110px;
  height: 40px;
  background: #0072FF;
  border-radius: 0px 8px 8px 0px;
  text-align: center;
  color: #fff;
  margin: -1px -1px 0 0;
  transition: 0.2s;
}
.email-layer .layer-main .change-email a:hover {
  opacity: 0.8;
}
.email-layer .layer-main p {
  padding-left: 10px;
}
.email-layer .layer-main p span {
  color: #0072FF;
  cursor: pointer;
  transition: 0.2s;
}
.email-layer .layer-main p span:hover {
  opacity: 0.8;
}
