.w {
  width: 1220px;
  margin: 0 auto;
}

.left_52 {
  margin-left: 52px;
}
.left_40 {
  margin-left: 40px;
}
.left_64 {
  margin-left: 64px;
}

/* banner */
.header {
  width: 100%;
  height: 584px;
  background-image: url(../img/banner.png);
  color: #aaa;
  position: relative;
  top: -84px;
  background-position: center;
  background-size: cover;
}

.header-div {
  width: 646px;
  margin: 0 auto;
  position: absolute;
  top: 32%;
  left: 50%;
  margin-left: -510px;
  margin-top: -53px;
  z-index: 2;
}

.header-title {
  margin-bottom: 24px;
  font-size: 32px;
  color: #fff;
}

.header-title-mini {
  margin-bottom: 36px;
  font-size: 24px;
  color: #fff;
}

.header-intro {
  width: 584px;
  font-size: 16px;
  text-align: justify;
  line-height: 26px;
  color: #fff;
}

.header-btn {
  margin-top: 40px;
  width: 120px;
  height: 40px;
  background-color: #fff;
  text-align: center;
  line-height: 40px;
}

.header-btn a {
  display: block;
  color: #2661d8;
  font-size: 16px;
}
.header-div-img {
  width: 387px;
  margin: 0 auto;
  position: absolute;
  top: 25%;
  right: 50%;
  margin-right: -522px;
  margin-top: -53px;
}
.header-div-img img {
  width: 450px;
  margin-top: 30px;
}
.header-bottom-div {
  position: absolute;
  padding: 24px 34px;
  width: 1018px;
  left: 50%;
  bottom: 0;
  margin-left: -509px;
  background-color: rgba(79, 93, 113, 0.5);
}

.header-bottom-div .header-bottom-div-ul {
  display: flex;
  position: relative;
  z-index: 2;
  justify-content: space-between;
}

.header-bottom-div ul li {
  position: relative;
  font-size: 16px;
  color: #fff;
  margin: 0 34px;
}
.header-bottom-div li::before {
  position: absolute;
  top: 8px;
  left: 50%;
  margin-left: -64px;
  display: inline-block;
  border-radius: 50%;
  content: "";
  width: 6px;
  height: 6px;
  background-color: #fff;
}

.main img {
  transform: scale(0.5);
}

.main h3 {
  text-align: center;
  margin: 0;
  color: #333;
}

.main h4 {
  font-size: 16px;
  color: #1e1f23;
}

p {
  color: #666;
}

/* 内容部分 */
/* 每段标题及英文 */
.title {
  width: 100%;
  text-align: center;
}

.title-text {
  height: 25px;
  color: black;
  font-size: 20px;
  margin: 56px auto 8px auto;
}

.span-explain-text {
  letter-spacing: 4px;
  color: #888;
  font-size: 10px;
  font-weight: bold;
}

.main {
  position: relative;
  margin-top: -84px;
}

.trouble {
  border-top: 1px solid #f7f9fc;
  background-color: #f7f9fc;
  width: 100%;
}
.troublebox-bottom .troublebox-text {
  margin-bottom: 24px;
  margin-left: 118px;
}
.troublebox-top .troublebox-text,
.troublebox-bottom .troublebox-text {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-top: 40px;
}
.troublebox-top .troublebox-text .troublebox-center,
.troublebox-bottom .troublebox-text .troublebox-center {
  display: inline-block;
}
.troublebox-top .troublebox-text .troublebox-right {
  width: 200px;
  text-align: center;
  height: 15px;
  padding: 0 4px;
  line-height: 5px;
  background: url("../img/pink-bar.png") top no-repeat;
}
.troublebox-bottom .troublebox-text .troublebox-left {
  width: 180px;
  text-align: center;
  height: 15px;
  line-height: 5px;
  background: url("../img/blue-bar.png") top no-repeat;
}
.troublebox-top .troublebox-text img,
.troublebox-bottom .troublebox-text img {
  transform: scale(1);
  width: 154px;
  vertical-align: top;
}
.troublebox-top .troublebox-text ul {
  background-color: #fff;
}
.troublebox-bottom .troublebox-text ul {
  background-color: #5999f6;
}
.troublebox-bottom .troublebox-text ul li {
  color: #fff;
}
.troublebox-top .troublebox-text ul,
.troublebox-bottom .troublebox-text ul {
  position: relative;
  padding: 24px;
  border-radius: 8px;
}
.troublebox-bottom {
  padding-bottom: 24px;
}
.troublebox-top p,
.troublebox-bottom p {
  position: relative;
  font-size: 16px;
  font-weight: 600;
  color: #696c78;
  margin-bottom: 24px;
}
.troublebox-bottom p {
  text-align: right;
}
.troublebox-pc li {
  position: relative;
  font-size: 14px;
  margin: 12px 0 12px 18px;
  color: #686c78;
}

.pcproduct li {
  padding: 48px 0;
}

.pcproduct li:nth-child(1) {
  background: url(../img/product1.png) 42px center no-repeat;
  background-size: 585px 400px;
  margin-top: 48px;
}

.pcproduct li:nth-child(2) {
  background: url(../img/product2.png) right center no-repeat;
  background-size: 567px 403px;
}

.pcproduct li:nth-child(3) {
  background: url(../img/product3.png) 42px center no-repeat;
  background-size: 675px 406px;
}

.pcproduct li:nth-child(4) {
  background: url(../img/product4.png) right center no-repeat;
  background-size: 687px 437px;
}

.pcproduct li:nth-child(5) {
  background: url(../img/product5.png) 42px center no-repeat;
  background-size: 663px 375px;
}

.pcproduct li:nth-child(6) {
  background: url(../img/product6.png) right center no-repeat;
  background-size: 678px 409px;
}

.pcproduct .pcproduct-text {
  padding: 90px 0 0 90px;
  margin-right: 90px;
  width: 400px;
  height: 264px;
}

.pcproduct .pcproduct-text p {
  text-align: justify;
  line-height: 24px;
}

.pcproduct .text-right {
  float: right;
}
.characteristics {
  border-top: 1px solid #f7f9fc;
  background-color: #f7f9fc;
  padding-bottom: 66px;
}
.characteristics-box {
  display: flex;
  justify-content: center;
  margin: 64px auto 0;
  width: 1040px;
  text-align: center;
}
.characteristics-box > div {
  position: relative;
  width: 252px;
  height: 100px;
  line-height: 100px;
  box-shadow: 0px 21px 35px 0px rgba(214, 221, 234, 0.5);
}
.characteristics-box img {
  position: absolute;
  transform: scale(1);
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 78px;
}
.characteristics-box p {
  text-align: left;
}
.technological {
  border-top: 1px solid #f7f9fc;
}
.technological-box-top,
.technological-box-bottom {
  display: flex;
  justify-content: center;
}
.technological-box-top > div,
.technological-box-bottom > div {
  margin-top: 48px;
  padding: 8px 24px;
  width: 270px;
  text-align: left;
  transition: all 0.3s;
}
.technological-box-top > div:hover,
.technological-box-bottom > div:hover {
  box-shadow: 0 0 1px 1px #ccc;
  background-color: #fff;
  border-radius: 2px;
}

.technological-box-top img,
.technological-box-bottom img {
  width: 32px;
  transform: scale(1);
  margin-bottom: 16px;
}

.technological-box-top > div > p,
.technological-box-bottom > div > p {
  margin-top: 16px;
  line-height: 22px;
  text-align: justify;
}

/* 产品定价 */
.characteristics-box > table.product-price {
  margin-top: 30px;
  border: 1px solid #f3f3f3;
}
.characteristics-box > table.product-price thead tr th {
  height: 128px;
  width: 230px;
  font-weight: 400;
  border-right: 1px solid #f3f3f3;
}
.characteristics-box > table.product-price thead tr th em {
  display: block;
  font-style: normal;
}
.characteristics-box > table.product-price thead tr th .price {
  font-weight: 600;
  font-size: 18px;
  margin-top: 6px;
  font-style: italic;
}
.characteristics-box > table.product-price thead tr th a {
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 400;
  display: inline-block;
  margin-top: 10px;
  color: #fff;
  background-color: #0e6fd6;
}
.characteristics-box > table.product-price tbody tr td {
  height: 88px;
  width: 230px;
  border-right: 1px solid #f3f3f3;
  border-top: 1px solid #f3f3f3;
}
.characteristics-box > table.product-price tbody tr td img {
  width: 20px;
  height: 20px;
  margin: 0;
}
.characteristics-box > table.product-price tbody tr td em {
  font-weight: 400;
  display: block;
  font-style: normal;
}
.characteristics-box > table.product-price thead tr th:last-child,
.characteristics-box > table.product-price tbody tr td:last-child {
  border-right: 0;
}
.characteristics-box > .mobile-terminal-price {
  display: none;
}

/* 联系我们 */
.contact {
  width: 980px;
  margin: 0 auto;
  text-align: center;
  height: 100% !important;
}

.contact img {
  transform: scale(1);
}

.contact-all {
  width: 980px;
  height: 270px;
  margin: 30px auto 0;
  display: flex;
  justify-content: space-between;
}

.contact-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 230px;
  height: 230px;
  border: 1px solid #f3f3f3;
  text-align: center;
}

.contact-item h3 {
  margin-bottom: 12px;
  font-weight: 500;
  font-size: 16px;
}

.contact-item-icon {
  display: inline-block;
  margin-right: 2px;
  width: 19px;
  height: 16px;
}

.contact-item-icon-qq {
  width: 14px;
  height: 15px;
}

.contact-item-icon-tel {
  width: 15px;
  height: 15px;
}

.contact-item-mid {
  margin-bottom: 1em;
}

.contact-item-text {
  display: inline-block;
  font-size: 22px;
  color: #555;
  background: #fff;
  line-height: 20px;
  cursor: pointer;
  padding: 8px 10px;
  border: 1px solid #d1d1d1;
  border-radius: 20px;
  font-weight: 100;
}

.tl-footer {
  width: 100%;
  height: 80px;
  color: #5e6166;
  background-color: #1a1d22;
  line-height: 80px;
  text-align: center;
  font-size: 12px;
  font-weight: 300;
}
ul.foot-menu h4.title {
  text-align: left;
}

.pcproduct {
  display: block;
}

.telproduct {
  display: none;
}
.troublebox-pc {
  display: block;
}
.troublebox-tel {
  display: none;
}
@media screen and (max-width: 720px) {
  .header {
    height: 555px;
    background-position: 40% 50%;
  }
  .gray-bg {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 0;
  }
  .header::after {
    position: absolute;
    content: "";
    display: inline-block;
    height: 300px;
    width: 287px;
    background: url("../img/banner-icon.png") center/contain no-repeat;
    bottom: 55px;
    right: 0;
    opacity: 0.5;
  }
  .header-title {
    font-size: 24px;
  }
  .header-title-mini {
    font-size: 18px;
  }
  .header-bottom-div {
    width: 100%;
    margin: 0;
    left: 0;
    box-sizing: border-box;
    padding: 16px 48px;
  }
  .header-div-img {
    display: none;
  }
  .header-bottom-div ul {
    flex-wrap: wrap;
  }
  .header-bottom-div ul li {
    width: 50%;
    text-align: center;
    margin: 6px 0;
    font-size: 14px;
  }
  .trouble {
    padding-bottom: 24px;
  }
  .troublebox-top,
  .troublebox-bottom {
    height: 100%;
    padding: 0;
  }
  .troublebox-top .troublebox-text,
  .troublebox-bottom .troublebox-text {
    padding: 0 24px;
    margin-right: 0;
    margin-left: 0;
  }
  .troublebox-top .troublebox-text > div:nth-of-type(1),
  .troublebox-bottom .troublebox-text > div:nth-of-type(2) {
    display: flex;
  }
  .troublebox-top .troublebox-text img,
  .troublebox-bottom .troublebox-text img {
    width: 86px;
    height: 86px;
  }
  .troublebox-top .troublebox-text .troublebox-right,
  .troublebox-bottom .troublebox-text .troublebox-left {
    display: none;
  }
  .pcproduct {
    display: none;
  }

  .telproduct {
    display: block;
  }

  .telproduct h4 {
    margin: 0 0 16px;
    text-align: center;
  }

  .telproduct li {
    width: 80%;
    margin: 56px auto 0;
  }

  .telproduct li img {
    margin-top: 16px;
    transform: scale(1);
    width: 100%;
  }

  .w {
    width: 100%;
  }

  .left_26 {
    margin-left: 0;
  }
  .left_64 {
    margin-left: 0;
  }
  .header {
    background-repeat: no-repeat;
    background-size: 538%;
    overflow: hidden;
  }

  .header-div {
    width: 100%;
    box-sizing: border-box;
    left: 0;
    margin: 0 auto;
    margin-top: -13px;
    padding: 0 24px;
  }
  .header-intro {
    width: 100%;
  }
  .main {
    position: relative;
    background: #ffffff;
    z-index: 1;
    width: 100%;
  }
  .technological {
    padding-bottom: 0;
  }
  .characteristics-box {
    padding: 0 24px;
    width: auto;
    flex-wrap: wrap;
  }
  .characteristics-box > div {
    margin: 24px auto;
    width: 140px;
    height: 80px;
    line-height: 80px;
  }
  .technological-box-top,
  .technological-box-bottom {
    flex-direction: column;
  }
  .technological-box-top > div,
  .technological-box-bottom > div {
    margin: 24px auto 0;
  }
  .technological-box-top .technological-box-item,
  .technological-box-bottom .technological-box-item {
    display: flex;
    align-items: center;
  }
  .technological-box-top img,
  .technological-box-bottom img {
    margin-bottom: 0;
    margin-right: 8px;
  }
  .technological-box-top > div p,
  .technological-box-bottom > div p {
    margin-top: 8px;
  }
  .characteristics-box > table.product-price {
    display: none;
  }
  .characteristics-box > .mobile-terminal-price {
    display: block;
    width: 100%;
  }
  .characteristics-box > .mobile-terminal-price > div {
    background-color: #f7f9fc;
    width: 100%;
    margin: 30px auto 0;
    max-width: 500px;
    padding: 0 16px 24px;
    box-sizing: border-box;
  }
  .mobile-terminal-price > div > div:nth-of-type(1) {
    border-bottom: 1px solid #e8e8e8;
    line-height: 50px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-self: center;
    flex-wrap: wrap;
  }
  .mobile-terminal-price > div div:nth-of-type(1) > div img {
    height: 33px;
    width: 33px;
    margin: 0;
    vertical-align: middle;
  }
  .mobile-terminal-price > div div:nth-of-type(1) > em {
    font-weight: 600;
    font-size: 16px;
    font-style: normal;
  }
  .mobile-terminal-price > div div:nth-of-type(2) {
    text-align: left;
  }
  .mobile-terminal-price > div div:nth-of-type(2) > span {
    font-weight: 600;
    margin: 10px 0;
    display: inline-block;
  }
  .mobile-terminal-price > div div:nth-of-type(1) span,
  .mobile-terminal-price > div div:nth-of-type(2) > ul li {
    display: inline-block;
    color: #696c78;
    padding-right: 8px;
  }
  .mobile-terminal-price > div div:nth-of-type(3) {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
  }
  .mobile-terminal-price > div div:nth-of-type(3) > em {
    font-style: normal;
    font-weight: 600;
  }
  .mobile-terminal-price > div div:nth-of-type(3) > span {
    color: #1890ff;
  }
  .mobile-terminal-price > div div:nth-of-type(2) ul:nth-of-type(2) li {
    color: #696c78;
    display: block;
  }

  /* 联系我们部分 */
  .contact {
    width: 100%;
    height: 100% !important;
    margin: 0 auto;
    text-align: center;
  }

  .contact-all {
    width: 100%;
    height: 1060px;
    margin: 20px auto 0;
    display: flex;
    flex-wrap: wrap;
  }

  .contact-item {
    width: 75%;
    height: 230px;
    border: 1px solid #f3f3f3;
    margin: 10px auto;
  }

  .contact-item h3 {
    margin-bottom: 12px;
    font-weight: 500;
    font-size: 14px;
  }

  .contact-item-mid {
    margin-bottom: 1em;
  }

  .contact-item-text {
    display: inline-block;
    font-size: 22px;
    color: #555;
    background: #fff;
    line-height: 20px;
    cursor: pointer;
    padding: 8px 10px;
    border: 1px solid #d1d1d1;
    border-radius: 20px;
    font-weight: 100;
  }
}

@media screen and (max-width: 430px) {
  .header {
    height: 688px;
    background-size: 618%;
  }
  .header-btn {
    margin-top: 28px;
  }
  .header-div {
    width: 100%;
    box-sizing: border-box;
    left: 0;
    margin: 0 auto;
    margin-top: -13px;
    padding: 0 24px;
  }
  .header-title-mini {
    margin-bottom: 24px;
  }
  .header-bottom-div ul li {
    font-size: 14px;
  }
}
@media screen and (max-width: 362px) {
  .header {
    background-repeat: no-repeat;
    background-size: 774%;
    overflow: hidden;
    height: 704px;
  }
  .header-bottom-div ul li {
    width: 50%;
  }
  .technological-box-top > div,
  .technological-box-bottom > div {
    width: 224px;
  }
}