.content .block {
  min-height: 4.203em;
  background: center center no-repeat;
  background-size: cover;
  position: relative;
  padding-top: 0.315em;
  padding-bottom: 0.315em;
  box-sizing: border-box;
  overflow: hidden;
}

.content .block.bottom {
  padding-bottom: 0;
  min-height: auto;
}

.head {
  width: 65%;
  text-align: center;
  margin: auto;
  color: #fff;
}

.head .title {
  padding-top: 2.55em;
  font-size: 0.295em;
  font-weight: 100;
  line-height: 1.2em;
}

.head .detail {
  font-size: 14px;
  padding-top: 2em;
  margin-bottom: 3.75em;
  line-height: 2em;
  position: relative;
}

.head .detail:before {
  position: absolute;
  content: '';
  display: block;
  width: 8%;
  border-bottom: 1px solid #ff0019;
  bottom: 0;
  left: 50%;
  margin-left: -4%;
  margin-bottom: -1.4em;
}


/* 结构 */

.cont .type-item-4 {
  width: 25%;
  display: inline-block;
}

.cont .type-item-3 {
  width: 33.33%;
  float: left;
}


/* 特点 */

.cont.heartrate {}

.cont.heartrate>div {
  /* height: 7.8em;
  line-height: 7.8em; */
  height: 330px;
  line-height: 330px;
  background: url(/img/techSleep/gray_bg01.png) no-repeat center center;
}

.cont.heartrate>div:nth-child(2) {
  background: url(/img/techSleep/gray_bg02.png) no-repeat center center;
}

.cont.heartrate>div:nth-child(3) {
  background: url(/img/techSleep/gray_bg03.png) no-repeat center center;
}

.cont.heartrate h1 {
  display: block;
  font-size: 24px;
  color: #fff;
  text-align: center;
}

.cont .features {
  text-align: center;
  padding: 1.75em 64px;
  box-sizing: border-box;
  height: 308px;
  color: #fff;
  border-bottom: 3px solid transparent;
  transition: background 0.5s, border 0.5s;
  cursor: default;
  vertical-align: top;
}

.cont .features:hover {
  background-color: rgba(0, 0, 0, 0.2);
  border-bottom: 3px solid #ff0019;
}

.cont .features i {
  display: block;
  font-size: 1.5em;
}

.cont .features h1 {
  font-size: 20px;
  font-weight: 100;
  margin-top: 0.8em;
  margin-bottom: 0.8em;
}

.cont .features h2 {
  font-size: 14px;
  text-align: center;
  line-height: 2em;
}

.blk_1 {
  display: table;
}


/* 细节 */

.minutiae .tit {
  font-size: 0.636em;
  position: relative;
  z-index: 2;
}

.minutiae .bottom-text {
  font-size: 14px;
  line-height: 2;
  position: relative;
  z-index: 2;
}

.minutiae .item {
  padding: 1.17em 0.983em;
  height: 14.051em;
  color: #fff;
  box-sizing: border-box;
  position: relative;
  font-weight: 100;
  background: no-repeat center center;
  background-size: 100% 100%;
  transition: background .3s;
}

.minutiae .item:before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0.3;
  transition: opacity 0.5s;
}

.minutiae .item:hover {
  background-size: 110% 110%;
}

.minutiae .item:hover:before {
  opacity: 0;
}

.minutiae .item .bottom-text {
  position: absolute;
  padding: 3.125em 2.625em;
  bottom: 0;
  left: 0;
  height: 4.5em;
}

.minutiae .item .bottom-text:before {
  content: "";
  position: absolute;
  display: block;
  width: 5em;
  height: 2px;
  top: 2em;
  background: #f00;
}

.minutiae .Arrows {
  display: none;
}


/* 最后一块 */

.minutiae.transparent .item .bottom-text:before {
  display: none;
}

.minutiae.transparent .item .bottom-text {
  height: auto;
}

.minutiae.transparent .item {
  padding: 0;
  background: rgba(0, 0, 0, 0.2);
  position: relative;
}

.minutiae.transparent .item:before {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  height: 3px;
  left: 0;
  right: 0;
  width: 100%;
  background: #ff0019;
  opacity: 1;
  top: auto;
}

.minutiae.transparent .tit {
  font-size: 20px;
  position: relative;
  z-index: 2;
  margin-bottom: 0.8em;
}

.minutiae.transparent .text {
  font-size: 14px;
  line-height: 2em;
  height: 4em;
  overflow: hidden;
}

.minutiae.transparent .bottom-text {
  font-size: 14px;
  line-height: 2em;
  z-index: 2;
}

.minutiae.transparent .item .tr-bg {
  position: absolute;
  height: 100%;
  width: 100%;
  z-index: 1;
  opacity: 1;
  transition: opacity 0.5s;
  background: no-repeat center center;
  background-size: cover;
}

.minutiae.transparent .item:hover .tr-bg {
  opacity: 0;
}

.head h1 {
  font-size: 24px;
  font-weight: 100;
  letter-spacing: 2em;
  text-indent: 2em;
  margin-bottom: 0.5em;
  margin-top: 2.5em;
}

.head h2 {
  font-size: 0.20em;
  font-weight: 100;
}

.head h2 span {
  margin-right: 1em;
  cursor: pointer;
}

.head h2 span.on {
  color: #ff001b;
}

.block .cont {
  position: relative;
  z-index: 99;
}

.block .cont .img {
  margin-top: 1.34em;
  height: 2.28em;
  background: url(/img/techSleep/huan.png) no-repeat center center;
  background-size: contain;
  position: relative;
}

.block .cont .joint {
  position: absolute;
  width: 14%;
  padding: 0 3%;
  margin-left: 40%;
  margin-top: -0.5em;
  color: #fff;
  text-align: center;
}

.block .cont .joint:before {
  content: "";
  display: block;
  position: absolute;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background: #fff;
  left: 0;
  right: 0;
  margin: auto;
  border-radius: 3px;
}

.block .cont .joint i {
  font-size: 0.31em;
  display: block;
  margin-bottom: 0.5em;
  opacity: 0.5;
  transition: opacity 0.5s;
}

.block .cont .joint .tit {
  font-size: 14px;
  transition: font-size 0.5s;
}

.block .cont .joint .text {
  font-size: 14px;
  margin-top: 8px;
  opacity: 0;
  transition: opacity 0.5s;
}

.block .cont .joint.on i {
  opacity: 1;
}

.block .cont .joint.on .tit {
  font-size: 20px;
}

.block .cont .joint.on .text {
  opacity: 1;
}

.block .below {
  height: calc(100% - .8em);
  min-height: auto;
}

#svgcontent {
  position: absolute;
  width: 100%;
  top: 100%;
  margin-top: -180px;
  opacity: 1;
  left: 0;
}

.head h2 br {
  display: none;
}

.head .detail.jtop {
  padding: 1.5em;
  position: relative;
  margin-bottom: -2.6em;
}

.head .detail.jtop-two {
  margin-bottom: 3em;
}

.head .detail.jtop:before {
  content: '';
  display: block;
  width: 8%;
  position: absolute;
  left: 50%;
  margin-left: -4%;
  bottom: 0;
  margin-bottom: 0;
}

.qj-title {
  /* position: absolute; */
  bottom: 2em;
  font-size: 24px;
  width: 100%;
  left: 0;
  text-align: center;
}

.block.watch .cont {
  margin-bottom: 1em;
}

.qj-title span {
  color: #fff;
  padding: .3em 0;
  margin: 1em;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  transition: color .5s;
}

.qj-title span:hover {
  color: #ccc;
}

.qj-title span.on {
  border-bottom: 1px solid #ff0019;
}

.bottom-detail {
  font-size: 14px;
  line-height: 2em;
  width: 100%;
  text-align: center;
  color: #fff;
  margin-top: 3em;
  box-sizing: border-box;
}

.block .cont:after {
  content: '';
  display: block;
  clear: both;
}

@media only screen and (max-width: 1366px) {

  .head .title,
  .minutiae .tit {
    font-size: 28px;
  }

  .block.watch {
    min-height: 5.503em;
  }

  .block .cont .img {
    margin-top: .8em;
  }
}

@media only screen and (max-width: 1024px) {
  .head {
    width: auto;
    padding: 0 .4em;
  }

  .head br {
    display: none;
  }

  .cont .type-item-4 {
    width: 50%;
  }

  .cont .features {
    height: auto;
    padding: 1em 12px;
  }

  .head .title {
    font-size: 24px;
  }

  .head .detail {
    margin-bottom: 2em;
  }

  .cont .features h2 {
    text-align: center;
    /* height: 3em; */
    line-height: 1.5em;
    /* overflow: hidden; */
  }

  .head h2 {
    line-height: 1.8em;
    font-size: 18px;
  }
}

@media only screen and (max-width: 768px) {
  .content .block.watch {
    padding-bottom: 1.2em;
  }

  .head .detail {
    margin-bottom: 4em;
  }

  .head .detail.jtop {
    margin-bottom: 1em;
    text-align: center;
  }

  .bottom-detail br {
    display: none;
  }

  .bottom-detail {
    text-align: left;
  }

  .minutiae .tit {
    text-align: center;
  }

  .head .detail {
    text-align: left;
  }

  .head .detail.jtop.jtop-two {
    margin-bottom: 3em;
  }

  .head .detail.jtop:before {
    width: 30%;
    margin-left: -15%;
  }

  .qj-title {
    font-size: 14px;
  }

  .head h2 br {
    display: initial;
  }

  .head h2 span+span {
    margin-right: 0;
  }

  .block .cont .img {
    background: none;
    height: auto;
    margin-top: 0.5em;
  }

  .block .cont .joint {
    position: inherit;
    margin: 0;
    width: 50%;
    display: inline-block;
    height: 3.5em;
    padding: .4em .2em;
    box-sizing: border-box;
  }

  .blk_1 {
    display: table;
  }

  .block .cont .joint i {
    font-size: .8em;
    opacity: 1;
  }

  .block .cont .joint .tit,
  .block .cont .joint.on .tit {
    font-size: 18px;
  }

  .block .cont .joint:before {
    display: none;
  }

  .block .cont .joint .text {
    opacity: 1;
  }

  .cont .type-item-4 br {
    display: none;
  }

  .cont .features h1 {
    font-size: 18px;
  }

  .head h1 {
    letter-spacing: initial;
    text-indent: inherit;
  }

  /* .cont .type-item-4 {
    width: 100%;
  } */
  .cont.heartrate>div {
    height: auto;
    line-height: initial;
    background: none !important;
  }

  .cont.heartrate {
    margin-bottom: 1em;
  }

  .cont.heartrate:after {
    content: '';
    display: block;
    clear: both;
  }

  .cont.heartrate h1 {
    margin-top: .25em;
  }

  .cont .type-item-3 {
    width: 100%;
  }

  .minutiae .Arrows {
    display: block;
  }

  .cont .features:hover {
    background: none;
    border-bottom: 3px solid transparent;
  }
}

@media only screen and (max-width:375px) {
  .qj-title {
    font-size: 12px;
  }
}