body {
  background-color: #141518;
}

.plv-watch-pc {
  width: 1180px;
  margin: auto;
  padding-top: 50px;
  background-color: #141518
}

.plv-pc-menu__container {
  width: 1180px;
  margin: auto;
  background: #fff;
}

/* 适配不同屏幕尺寸 */
@media (min-width: 1366px) {        
  .plv-watch-pc {                          
    width: 1247px;            
  }
  .plv-pc-menu__container {
    width: 1247px;
  }
}
@media (min-width: 1440px) {        
  .plv-watch-pc {                          
    width: 1350px;            
  }
  .plv-pc-menu__container {
    width: 1350px;
  }
}
@media (min-width: 1600px) {        
  .plv-watch-pc {                          
    width: 1430px;            
  } 
  .plv-pc-menu__container {
    width: 1430px;
  }
}
@media (min-width: 1920px) {        
  .plv-watch-pc {                          
    width: 1680px;            
  }
  .plv-pc-menu__container {
    width: 1680px;
  }                            
}


.plv-watch-pc__top {
  position: relative;
}
.plv-watch-pc__top .pv-ppt-controller {
  width: 76.2%;
  z-index: 99;
}

/* 保持比例撑起高度 9:16=高:宽=56.25% */
.plv-watch-pc__screen__height {
  position: relative;
  height: 0;
  padding-top: 56.25%;
}
.plv-watch-pc__screen__inner {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

/* 主屏（左侧） */
.plv-watch-pc__screen-main {
  width: 76.2%;
}
/* 辅屏（右侧） */
.plv-watch-pc__screen-sub {
  position: absolute;
  left: 76.2%;
  right: 0;
  top: 0;
}

/* 侧栏聊天室 */
.plv-watch-pc__side {
  position: absolute;
  left: 76.2%;
  right: 0;
  top: 0;
  bottom: 0;
}
.plv-watch-pc__chat {
  position: absolute;
  left: 0;
  top: 0;
  padding-top: 56.25%;
  width: 100%;
  height: 100%;
}
/* 普通直播，没有辅屏 */
.plv-watch-pc--alone .plv-watch-pc__chat {
  padding-top: 0;
}


/* 聊天室样式覆写 */
.plv-watch-pc .plv-skin--dark .polyv-chat-room {
  background-color: #202127;
}
.plv-watch-pc .plv-skin--dark .polyv-cr-navbar {
  background-color: #3e3e4e;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-cr-navbar>li {
  color: #adadc0;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-cr-navbar>li.polyv-crn-active {
  color: #fff;
  border-bottom: 0
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-cr-navbar>li.polyv-crn-active>span:first-child {
  border-bottom: 3px solid #fff;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-cr-navbar>li>span:first-child {
  display: inline-block;
  line-height: 35px;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-cr-navbar>li>span {
  display: inline-block;
  line-height: 35px;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room>.polyv-cr-body {
  background-color: #202127;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-input {
  background-color: #3e3e4e;
}
.plv-watch-pc .plv-skin--dark .tab-chat-content::-webkit-scrollbar {
  width: 6px;
}
.plv-watch-pc .plv-skin--dark .tab-chat-content::-webkit-scrollbar-thumb {
  border-radius: 3px;
  background-color: #46464f;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-msg-content {
  background: #2b2c35;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-emotion-wrap {
  background: #202127;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-emotion-wrap:after {
  border-color: #202127 transparent transparent;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-chat-input textarea {
  background: #2e2e36;
  padding: 4px;
  color: #fff;
  margin-bottom: 5px;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-btn-info {
  background: #2b2c35;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-chat-input .polyv-icon-emotion {
  background: url('../img/emotion.png');
  background-size: 18px 18px;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-chat-input .polyv-icon-flower {
  background: url('../img/flower.png');
  background-size: 18px 18px;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-chat-input .polyv-icon-like {
  background: url('../img/like.png');
  background-size: 18px 18px;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-chat-input .polyv-pc-only-teacher {
  color: #fff;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-chat-input-top {
  padding-bottom: 5px;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room>.polyv-cr-body .polyv-set-nickname.show {
  background: #3e3e4e
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room>.polyv-cr-body .polyv-set-nickname input {
  background: #212121;
  border: 0;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room>.polyv-cr-body .polyv-set-nickname .polyv-btn {
  background: #3e3e4e;
  color: #888;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room>.polyv-cr-body .polyv-set-nickname .polyv-btn-info {
  background: #2b2c35;
  color: #fff;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-chat-list>.polyv-msg {
  color: #adadc0;
}
.plv-watch-pc .plv-skin--dark .polyv-chat-room .polyv-fr>span {
  color: #adadc0;
}


/* 全屏样式处理 */
.plv-watch-pc__top--fullscreen .plv-watch-pc__screen-main {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 88;
}
.plv-watch-pc__top--fullscreen .plv-watch-pc__screen-main .plv-watch-pc__screen__height {
  position: static;
}
.plv-watch-pc__top--fullscreen .plv-watch-pc__side {
  display: none;
}
.plv-watch-pc__top--fullscreen .plv-watch-pc__screen-sub {
  position: static;
}
.plv-watch-pc .plv-watch-pc__top--fullscreen .pv-ppt-controller {
  width: 100%;
}


/* 频道信息 */
.plv-watch-pc__info {
  display: none;
  padding: 30px 0;
  color: #fff;
  font-size: 0;
}
.plv-watch-pc__info__logo {
  width: 50px;
  margin-right: 10px;
}
.plv-watch-pc__info__desc {
  display: inline-block;
  vertical-align: top;
}
.plv-watch-pc__info__desc__name {
  margin-bottom: 8px;
  line-height: 24px;
  font-size: 18px;
}
.plv-watch-pc__info__desc__publisher-ico {
  display: inline-block;
  width: 18px;
  height: 18px;
  vertical-align: middle;
  background: url(../img/person.png) no-repeat;
  background-size: 18px 18px;
  margin-right: 4px;
}
.plv-watch-pc__info__desc__publisher,
.plv-watch-pc__info__desc__view {
  font-size: 14px;
  vertical-align: middle;
}
.plv-watch-pc__info__desc__publisher::after {
  content: '|';
  margin: 0 16px;
}


/* IE*/
.plv-watch-pc .ply-liveppt-container > object {
  width: 100%;
  height: 100%;
}

/*PC 菜单栏 */

.plv-pc-menu {
  background: #fff;
  margin: auto;
}

.plv-pc-menu__tab {
  border-bottom: 1px solid #ededef;
}

.plv-pc-menu__tab>li {
  padding: 0 15px;
  display: inline-block;
  height: 80px;
  line-height: 80px;
  font-size: 18px;
  color: #aaa;
  border-bottom: 2px solid transparent;
  cursor: pointer;
}

.plv-pc-menu__tab>li.active {
  color: #333;
  border-bottom: 2px solid #2196f3;
}

.plv-pc-menu__content {
  padding: 40px 0;
  min-height: 200px;
}

.plv-pc-menu__content>div {
  display: none;
}

.plv-pc-menu__content>div.active{
  display: block;
}