/** 页眉 */
.home-hd {
  max-width: 1920px;
  min-width: 1200px;
  position: relative;
  color: #fff;
}
.home-hd .page_bg {
  position: relative;
  max-width: 1920px;
  min-width: 1200px;
  height: 450px;
  background: url(../images/solution/bg.png) no-repeat center;
  background-size: cover;
  padding: 0.1px;
}
.home-hd .desc {
  font-size: 16px;
  text-align: center;
  position: absolute;
  width: 100%;
  top: 170px;
}
.home-hd h2 {
  font-size: 34px;
  margin-bottom: 49px;
}
.product-nav-box {
  position: absolute;
  bottom: 0;
  width: 100%;
  z-index: 10;
}
.product-nav {
  display: flex;
  width: 1200px;
  margin: auto;
}
.product-nav-item {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 300px;
  height: 90px;
  background-color: #444453;
  font-size: 24px;
  color: #fff;
  cursor: pointer;
  overflow: hidden;
  margin-right: 5px;
}
.product-nav-item:hover {
  background-color: #4a4a65;
}
.product-nav-item .icon {
  width: 43px;
  height: 33px;
  background-repeat: no-repeat;
  display: inline-block;
  margin-right: 18px;
  background-size: auto;
}
.product-nav-item.selected {
  background-color: #fff;
  color: #333;
}
.meal-icon {
  background-image: url(../images/products/icons/meal.png);
}
.selected .meal-icon {
  background-image: url(../images/products/icons/meal_HL.png);
}
.letter-icon2 {
  background-image: url(../images/products/icons/letter2.png);
}
.selected .letter-icon2 {
  background-image: url(../images/products/icons/letter2_HL.png);
}
.letter-icon1 {
  background-image: url(../images/products/icons/letter1.png);
}
.selected .letter-icon1 {
  background-image: url(../images/products/icons/letter1_HL.png);
}
.parts-icon {
  background-image: url(../images/products/icons/parts.png);
}
.selected .parts-icon {
  background-image: url(../images/products/icons/parts_HL.png);
}

/** 产品参数 */
.parameters {
  padding: 1px 0 80px;
  background: #fff;
}
.parameters-inner {
  display: flex;
  justify-content: space-between;
}
.parameters-inner .product-summary {
  vertical-align: top;
  display: inline-block;
  color: #333;
  position: relative;
  margin-top: 15px;
}
.product-summary p {
  margin-bottom: 20px;
}
.product-summary span {
  font-weight: bold;
  margin-right: 15px;
}
.product-summary.compact p {
  margin-bottom: 10px;
}

/** 使用流程 */
.processes {
  background-color: #f9f9f9;
  padding: 1px 0 80px;
}
.processes-inner {
  display: flex;
}
.processes-item {
  width: 50%;
  background-color: #fff;
}
.processes-item:first-child {
  width: calc(50% - 3px);
  border-right: 3px solid #f1f1f1;
}
.processes-item p {
  font-size: 18px;
  color: #333;
  margin: 30px 0 20px 30px;
}
.processes-item .preview {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 350px;
}

/** 主要功能 */
.functions {
  background-color: #fff;
  padding: 1px 0 70px;
}
.functions-inner {
  display: block;
}
.functions-inner .item {
  float: left;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 33.33%;
  height: 211px;
  border: 1px solid #f1f1f1;
  overflow: hidden;
}
.item-inner {
  width: 230px;
  color: #999;
  font-size: 16px;
  text-align: center;
}
.functions-inner .item .title {
  font-size: 22px;
  color: #333;
  margin: 8px 0 13px;
}
.row-1 .item {
  border-top: none;
  margin-bottom: -1px;
  margin-right: -1px;
}
.row-2 .item {
  border-bottom: none;
  margin-bottom: -1px;
  margin-right: -1px;
}
.row-2 .item:first-child,
.row-1 .item:first-child {
  border-left: none;
}
.row-2 .item:last-child,
.row-1 .item:last-child {
  border-right: none;
}

/** 使用场景 */
.scenes {
  background-color: #f4f4f4;
  padding: 1px 0 80px;
}
.scenes .summary {
  width: 600px;
  margin: 60px auto 0;
  line-height: 25px;
  text-align: center;
}
.scenes-list {
  display: flex;
}
.scenes-item {
  position: relative;
  width: 160px;
  height: 280px;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  transition: 0.3s;
}
.scenes-item .mask {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  color: #fff;
  font-size: 18px;
  left: 0;
  bottom: 0;
  transition: 0.3s;
}
.scenes-item.selected {
  width: 400px;
}
.scenes-item.selected .mask {
  height: 30px;
}

/** 配件 **/
.parts-container {
  padding: 36px 0;
  max-width: 1200px;
  margin: auto;
}
.parts-nav {
  margin-top: 36px;
  margin-bottom: 31px;
}
.parts-nav li {
  display: inline-block;
  padding: 0 23px;
  height: 42px;
  line-height: 42px;
  font-size: 16px;
  color: #333;
  text-align: center;
  margin-right: 20px;
  cursor: pointer;
}
.parts-nav li:hover {
  color: #000;
}
.parts-nav li.selected {
  background-color: #ff9920;
  color: #fff;
}
.parts-box {
  display: flex;
}
.parts-preview {
  display: flex;
  align-items: center;
  width: 450px;
  height: 450px;
  background-color: #f8f9f9;
  margin-right: 40px;
}
.parts-box .right {
  flex: 1;
  padding-bottom: 70px;
}

/** 电子锁 **/
.electronic-lock .title {
  font-size: 32px;
  color: #333;
  padding-bottom: 23px;
  border-bottom: 1px dashed #e3e3e2;
  margin-bottom: 30px;
}
.key-point .point-item {
  display: inline-block;
  width: 270px;
  margin-right: 30px;
  color: #333;
  font-size: 16px;
  margin-bottom: 32px;
}
.point-item .icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  line-height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background-color: #f6f6f6;
  text-align: center;
  margin-right: 20px;
  justify-content: center;
  align-items: center;
  vertical-align: middle;
}
.electronic-lock .summary {
  display: inline-block;
  color: #333;
  position: relative;
  margin-top: 15px;
}
.electronic-lock .summary p {
  margin-bottom: 20px;
}
.electronic-lock .summary span {
  font-weight: bold;
  margin-right: 15px;
}
.mb-10 {
  margin-bottom: 10px;
}

/** 智能控制板 **/
.control-panel {
  font-size: 16px;
  color: #333;
  line-height: 32px;
}
.control-panel .parts-preview {
  justify-content: center;
}
.side-title {
  font-weight: bold;
  margin-bottom: 26px;
}
.side-title:before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background-color: #ff9920;
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: text-bottom;
}
.control-panel .parameter {
  margin: 37px 0 40px;
}
.control-panel .parameter .side-title {
  margin-bottom: 16px;
}
.control-panel .advantage {
  font-size: 16px;
  color: #333;
  line-height: 32px;
  padding-bottom: 60px;
}

/** 智能加热线圈 **/
.heater-coil {
  font-size: 16px;
  color: #333;
  line-height: 32px;
}
.control-panel .parts-preview {
  align-items: flex-end;
  justify-content: center;
}
.heater-coil__hd {
  margin-bottom: 50px;
}
.explain-paragraph p {
  margin-bottom: 20px;
}
.heater-coil .parameter {
  margin-bottom: 40px;
}
.heater-coil .parameter .table-1 {
  margin-bottom: 20px;
}
.heater-coil__hd .title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 28px;
}
.heater-coil .power-title {
  font-weight: bold;
  margin: 20px 0;
}