@font-face {
  font-family: "AlibabaPuHuiTi";
  src: url("../fonts/SourceHanSans-Normal.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
}

/* 导航栏整体背景 */
html {
  overflow-x: hidden;
}

body {
  font-family: "AlibabaPuHuiTi", "Microsoft Yahei", "Hiragino Sans GB";
  overflow-x: hidden;
  color: rgba(41, 41, 41, 1);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
  padding: 0;
}

/* Ensure all elements use unified font */
div,
p,
span,
h1,
h2,
h3,
h4,
h5,
h6,
a,
li,
td,
th,
label,
input,
textarea,
select {
  font-family: inherit;
}

button {
  font-family: inherit;
}

input[type="button"],
input[type="submit"],
input[type="reset"] {
  font-family: inherit;
}

img {
  max-width: 100%;
}

ul {
  padding: 0;
  margin: 0;
  list-style-type: none;
}

img {
  max-width: 100%;
}

ul {
  padding: 0;
  margin: 0;
  list-style-type: none;
}

article,
aside,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section {
  display: block;
}

.contact-section {
  display: block;
}

.sp-contact {
  display: none;
}

.contact-header {
  display: flex;
  flex-direction: column;
  /* width: 100%; */
  text-align: center;
  align-items: center;
  margin-bottom: 20px;
  background-color: rgb(20 19 19 / 89%);

  margin: 0 auto;
  border-radius: 15px;
  width: 29%;
  margin-top: 38px;
}

.contact-header .en {
  font-size: 48px;
  color: rgba(255, 255, 255, 0.1);
}

.contact-header .cn {
  font-size: 48px;
  color: rgba(255, 255, 255, 1);
  /* margin-top: -50px; */
  display: block;

}


.contact-header .cn.sp {
  display: none;
}

.contact-content {
  display: flex;
  gap: 50px;
  align-items: center;
  /* 垂直居中 */
}

.contact-image {
  flex: 1;
  text-align: center;
  /* background-color: white; */
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.contact-image img {
  width: 400px;
}

.contact-info-list {
  gap: 20px;
  display: flex;
  margin-top: 0;
  flex-direction: column;
  margin-left: 0;
  align-items: stretch;
}

.info-item {
  background-color: white;
  display: flex;
  padding: 10px;
  align-items: center;
  border: 1px solid #e1e1e1;
  cursor: pointer;
  text-decoration: none;
}

.info-item h5 {
  font-weight: 900;
}

.info-item_log {
  color: #00c3ff;
  padding: 20px;
  font-size: 24px
}

.info-item .text {
  font-size: 20px;
}

.text h5 {
  margin: 0 0 10px 0;
  flex: 1;
  font-size: 22px;
  color: #000;
}

.text p {
  margin: 0;
  font-size: 18px;
  color: #000;
}

.container {
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto
}

.banner-slider {
  background-image: url('../img/digital_marketing/谷歌banner1980.png');
  width: 100%;
  height: 560px;
  background-size: cover;
  background-position: center;
  position: relative;
  margin-top: 80px;
}

.text-content {
  padding-top: 205px;
  padding-left: 333px;
  text-align: center;
}

.text-content-title {
  font-size: 40px;
  color: rgb(255, 255, 255);
  margin: 0;
}

.desc-group {
  text-align: center;
  margin-bottom: 35px;
  font-size: 40px;
  color: rgb(255, 255, 255);
  font-weight: 500;
}

.isSp {
  display: none;
}

.isPc {
  display: block;
}

.client {
  margin-top: 50px;
  height: 250px;
}

.client .desc {
  height: 80px;
  background-color: #00C3FF;
  margin: 0 35px;
}

.client .desc:nth-of-type(2) {
  margin-top: 20px;
}

.client .desc .desc-title {
  font-size: 40px;
  color: #ffff;
  padding-left: 35px;
  vertical-align: top;
  line-height: 80px;
}

.client .desc .desc-content {
  font-size: 30px;
  color: #ffff;
}

.desc-content-box {
  width: 68%;
  height: 80px;
  display: inline-block;
  line-height: 80px;
  padding-left: 35px;
}

.project-head {
  display: flex;
  align-items: center;
  /* 垂直居中 */
  justify-content: center;
  /* 可选：整体居中 */
  margin-bottom: 30px;
}

.project-title {
  color: #00C3FF;
  font-size: 50px;
  margin: 0px 20px;
}

.project-content {
  height: 453px;
  display: flex;
  background: #00C3FF;
  color: #fff;
  margin: 0px 35px;
}

.introduce-img {
  margin: 33px 13px;
}

.introduce-content {
  margin: 22px 13px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.introduce-content p {
  font-size: 23px;
}

.introduce-content p:nth-of-type(2) {
  padding-top: 20px;
}

.challenge {
  margin-top: 70px;
}

.challenge-head {
  display: flex;
  align-items: center;
  /* 垂直居中 */
  justify-content: center;
  /* 可选：整体居中 */
}

.challenge-title {
  color: #00C3FF;
  font-size: 50px;
  margin: 0px 20px;
}

.challenge-content {
  margin: 0px 35px;

  padding-bottom: 30px;
}

.challenge-content-title {
  margin: 17px auto;
  color: black;
  font-size: 32px;
  display: block;
  text-align: center;
}

.challenge-box {
  /* width: 500px; */
  width: 48%;
  height: 277px;
  opacity: 1;
  border-radius: 20px;
  background: rgba(255, 255, 255, 1);
  border: 2px solid rgba(0, 102, 255, 0.5);
  position: relative;
}

.challenge-desc {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 25px;
}

.challenge-box-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 46px;
  color: rgba(246, 21, 21, 1);
}

.challenge-box-desc {
  font-size: 24px;
  line-height: 34.75px;
  color: rgba(42, 42, 42, 1);
  padding-top: 30px;
}

.challenge-logo {
  width: 50px;
  height: 50px;
  /* opacity: 1; */
  border-radius: 5px;
  /* background: rgba(188, 219, 255, 1); */
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  left: 50px;
  top: 50px;
}

/* .challenge-logo img{
} */

.challenge-box-content {
  position: absolute;
  /* width: 330px; */
  width: 64%;
  left: 120px;
  top: 42px;
}

.program-head {
  display: flex;
  align-items: center;
  /* 垂直居中 */
  justify-content: center;
  /* 可选：整体居中 */
  padding-top: 25px;
}

.program-title {
  color: #00C3FF;
  font-size: 50px;
  margin: 0px 20px;
}

.program {
  background: rgba(0, 195, 255, 0.05);
  /* height: 1460px; */
  height: auto;
  padding-bottom: 50px;
}

.program-content {
  margin-top: 15px;
}

.program-content span {
  left: 74px;
  top: 109px;
  font-size: 32px;
  font-weight: 500;
  line-height: 46.34px;
  color: rgba(42, 42, 42, 1);
  text-align: center;
  display: block;
}

.program-img {
  width: 100%;
  /* height: 424px; */
  /* margin: 30px 35px 35px 35px; */
  padding: 30px 35px;
}

.program-desc {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 25px;
  margin: 30px 35px 35px 35px;
}

.program-box {
  left: 32px;
  top: 40px;
  /* width: 500px; */
  width: 48%;
  height: 289px;
  opacity: 1;
  border-radius: 20px;
  background: rgba(255, 255, 255, 1);
}

.program-box-num {
  font-size: 50px;
  font-weight: 550;
  letter-spacing: 0px;
  line-height: 72px;
  color: rgba(42, 42, 42, 1);
}

.program-box-title {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0px;
  line-height: 46px;
  color: rgba(42, 42, 42, 1);
  padding-left: 25px;
}

.program-box-desc {
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 34.75px;
  color: rgba(42, 42, 42, 1);
  padding: 20px 30px 20px 30px;
}

.program-box-content {
  display: flex;
  align-items: baseline;
  padding-top: 30px;
  padding-left: 30px;
}

.achievement-head {
  display: flex;
  align-items: center;
  /* 垂直居中 */
  justify-content: center;
  /* 可选：整体居中 */
  margin-top: 30px;
}

.achievement-title {
  color: #00C3FF;
  font-size: 50px;
  margin: 0px 20px;
}

.achievement-content {
  margin: 0px 35px;
}

.achievement-content span {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0px;
  line-height: 46px;
  color: rgba(42, 42, 42, 1);
  text-align: center;
  display: block;
  margin-top: 10px;
}

.achievement-foot {
  display: flex;
  justify-content: space-between;
  margin: 40px 35px;
}

.achievment-box {
  left: 50px;
  top: 50px;
  /* width: 250px; */
  width: 24%;
  height: 315px;
  border-radius: 20px;
  background: rgba(242, 252, 255, 1);
  display: flex;
  justify-content: center;
  align-items: center;
}

.achievment-box p {
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 0px;
  line-height: 44px;
  color: rgba(42, 42, 42, 1);
  text-align: center;
}

.achievment-box img {
  margin: 0 auto;
  padding-bottom: 20px;
}

.achievment-box span {
  color: rgba(0, 195, 255, 1);
}

.worth {
  padding-bottom: 30px;
  background: rgba(0, 195, 255, 0.05);
}

.worth-box-num {
  font-size: 75px;
  font-weight: 700;
  letter-spacing: 0px;
  line-height: 98.93px;
  color: rgba(42, 42, 42, 1);
  display: none;
}

.worth-head {
  display: flex;
  align-items: center;
  /* 垂直居中 */
  justify-content: center;
  /* 可选：整体居中 */
  padding-top: 30px;
}

.worth-title {
  color: #00C3FF;
  font-size: 50px;
  margin: 0px 20px;
}

.worth-content {
  margin: 0px 35px;
}

.worth-box-striping {
  display: none;
}

.worth-foot {
  display: flex;
  justify-content: space-between;
  margin: 0px 35px;
  gap: 10px;
}

.worth-box {
  width: 330px;
  height: 300px;
}

.worth-box-title {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0px;
  line-height: 46px;
  color: rgba(42, 42, 42, 1);
  text-align: center;
  padding: 25px 0;
}

.worth-box-content {
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 35px;
  color: rgba(42, 42, 42, 1);
  text-align: center;
  padding-bottom: 10px;
}

.worth-box-content .symbol {
  display: none;
}

.worth-box img {
  margin-top: 25px;
}

.advantage-head {
  display: flex;
  align-items: center;
  /* 垂直居中 */
  justify-content: center;
  /* 可选：整体居中 */
  padding-top: 30px;
}

.advantage-title {
  color: #00C3FF;
  font-size: 50px;
  margin: 0px 20px;
}

.advantage-content {
  margin: 0px 35px;
}

.advantage-foot {
  display: flex;
  justify-content: space-between;
  margin: 30px;
  gap: 10px;
}

.advantage-box {
  position: relative;
}

.advantage-box-title {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0px;
  line-height: 40px;
  color: rgba(42, 42, 42, 1);
  text-align: center;
  padding-left: 60px;
}

.advantage-box-content {
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 34.75px;
  color: rgba(42, 42, 42, 1);
  margin: 14px;
}

.advantage-desc {
  position: absolute;
  top: 33px;
  width: 100%;
}

.relation {
  margin-top: 40px;
}

.relation-max {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 72.4px;
  color: rgba(41, 41, 41, 1);
  text-align: center;
}


.relation-min {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 52.13px;
  color: rgba(41, 41, 41, 1);
  text-align: center;
  margin-top: 10px;
}

.relation-link {
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 85px;
  color: rgba(0, 102, 255, 1);
  margin-top: 50px;
  border-top: 1px solid rgba(112, 112, 112, 1);
  display: block;
}

.desc-content-box .br {
  display: none;
}

/* 移动端 */
@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .worth-box-title {
    font-size: 28px;
  }

  .worth-box-content {
    font-size: 20px;
  }

  .introduce-content p {
    font-size: 20px;
  }

  .advantage-box-content {
    font-size: 20px;
  }

  .container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
}

/* @media (max-width: 768px) {}

@media (max-width: 576px) {}

@media (max-width: 430px) {}

@media (max-width: 390px) {} */

/* 屏幕宽度 <= 1280px 时使用另一张图 */
@media (max-width: 1280px) {
  .banner-slider {
    background-image: url('../img/digital_marketing/谷歌banner1280.png');
  }
}

@media (max-width: 1024px) {
  .header-container {
    max-width: 960px;
  }

  .container {
    max-width: 960px;
  }
}

@media (max-width: 991px) {
  .contact-section {
    display: none;
  }

  .contact-list {
    max-width: 480px;
    font-size: 16px;
    color: rgba(41, 41, 41, 1);
    background: #fff;
    padding: 24px;
    font-weight: 100;
    margin: 0 auto;
  }

  .contact-item {
    display: flex;
    align-items: anchor-center;
    padding: 12px 0;
    text-decoration: none;
    cursor: pointer;
  }

  .sp-contact {
    display: block;
  }

  .text {
    display: flex;
    align-items: flex-start;
    line-height: 1.6;
  }

  .line {
    height: 2px;
    background: #ddd;
  }

  .value {
    color: rgba(41, 41, 41, 1);
    text-align: left;
  }

  .sp-contact {
    background: #000;
    padding: 10px 16px;
    text-align: center;
    color: #fff;
    padding-top: 0px;
  }

  /* 顶部形象 */
  .sp-contact-avatar img {
    height: auto;
    margin: 0 auto 16px;
    display: block;
    width: 40%;
    margin-top: 20px;
  }

  /* 标题 */
  .sp-contact-title-en {
    font-size: 36px;
    font-weight: bold;
    letter-spacing: 2px;
    opacity: 0.15;
  }

  .sp-contact-title-cn {
    font-size: 32px;
    font-weight: bold;
    margin-top: -45px;
    margin-bottom: 24px;
  }

  .label {
    width: 40px;
    font-weight: bold;
    flex-shrink: 0;
    margin-right: 5px;
    margin-left: 5px;
    color: rgba(41, 41, 41, 1);
  }

  .isPc {
    display: none;
  }

  .isSp {
    display: block;
  }

  .banner-slider {
    background-image: url('../img/digital_marketing/谷歌bannersp.png');
    /* background-size: contain; */
    height: 354px;
    margin-top: 74px;
  }

  .text-content {
    padding-top: 32px;
    padding-left: 0px;
    text-align: center;
  }

  .text-content-title {
    font-size: 24px;
  }

  .desc-group {
    font-size: 24px;
  }

  .client .desc .desc-title {
    font-size: 24px;
    padding-left: 8px;
    line-height: 60px;
    vertical-align: top;
  }

  .client .desc .desc-content {
    font-size: 14px;
  }

  .client .desc {
    height: 60px;
    background-color: #00C3FF;
    margin: 0;
  }

  .desc-content-box {
    width: 66%;
    height: 60px;
    display: inline-block;
    line-height: 60px;
    padding-left: 8px;
  }

  .client .desc:nth-of-type(2) .desc-content-box {
    line-height: 18px;
    display: inline-flex;
    align-items: center;
  }

  .desc-content-box .br {
    display: block;
  }

  .client {
    height: 170px;
  }

  .project-title {
    font-size: 26px;
  }

  .project-content {
    margin: 0;
    display: block;
    /* height: 610px; */
    height: auto;
    padding-bottom: 30px;
  }

  .introduce-img {
    padding: 7px 7px 0px 7px;
    margin: 0;
    width: 100%;
  }

  .introduce-content p {
    font-size: 14px;
  }

  .challenge-title {
    font-size: 26px;
  }

  .challenge {
    margin-top: 50px;
  }

  .challenge-content-title {
    font-size: 16px;
  }

  .challenge-box {
    width: 100%;
    height: 146px;
  }

  .challenge-content {
    margin: 0;
  }

  .challenge-box-title {
    font-size: 24px;
  }

  .challenge-box-desc {
    font-size: 16px;
    padding-top: 0;
    line-height: 23.75px;
  }

  .challenge-logo {
    left: 20px;
    top: 20px;
  }

  .challenge-box-content {
    top: 14px;
    left: 88px;
    width: 73%;
  }

  .program-title {
    font-size: 26px;
  }

  .program-content span {
    font-size: 16px;
    line-height: 32.34px;
  }

  .program-img {
    padding: 0;
    margin-top: 20px;
  }

  .program-desc {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 25px;
    margin: 30px 0px 35px 0px;
  }

  .program-box {
    width: 100%;
    height: 188px;
  }

  .program-box-num {
    font-size: 35px;
  }

  .program-box-title {
    font-size: 24px;
  }

  .program-box-desc {
    font-size: 16px;
    padding: 0px 30px 20px 30px;
  }

  .program-box-content {
    padding-top: 0px;
  }

  .program {
    /* height: 1360px; */
    height: auto;
    padding-bottom: 30px;
  }

  .achievement-title {
    font-size: 26px;
  }

  .achievement-content span {
    font-size: 16px;

  }

  .achievment-box {
    width: 48%;
    height: 155px;
  }

  .achievment-box p {
    font-size: 16px;
    line-height: 25px;
  }

  .achievement-foot {
    flex-wrap: wrap;
    /* 允许换行 */
    gap: 6px;
    /* 间距（可选） */
  }

  .achievement-content {
    margin: 0;
  }

  .achievement-foot .achievment-box img {
    width: 7vw;
    padding: 0;
    margin-bottom: 15px;
  }

  .worth-title {
    font-size: 26px;
  }

  .worth-box img {
    display: none;
  }

  .worth-foot {
    display: block;
  }

  .worth-box-title {
    font-size: 24px;
    padding: 0;
    text-align: start;
  }

  .worth-box-content {
    font-size: 16px;
    line-height: 23.17px;
    text-align: start;

  }

  .worth-box-content .symbol {
    display: inline-block;
  }


  .worth-box img {
    margin-top: 10px;
  }

  .worth-box {
    width: 330px;
    height: auto;
    padding-top: 10px;
    display: flex;
    align-items: start;
    margin: 0 auto;
  }

  .worth-box-num {
    font-size: 75px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 98.93px;
    color: rgba(42, 42, 42, 1);
    display: block;
  }

  .worth-box-desc {
    padding-left: 19px;
  }

  .worth-box-striping {
    margin: 15px 0px;
    display: block;
    width: 100%;
  }

  .advantage-title {
    font-size: 26px;
  }

  .advantage-foot {
    display: block;
    margin: 30px;
  }

  .advantage-box-title {
    font-size: 24px;
    line-height: 35px;
  }

  .advantage-box-content {
    font-size: 16px;
    line-height: 23.17px;
  }

  .advantage-box img {

    height: 196px;
    width: 100%;
  }

  .advantage-box {
    margin-bottom: 20px;
  }

  .relation-max {
    /* font-size: 20px; */
    font-size: 16px;
    line-height: 28.96px;
  }

  .relation-min {

    font-size: 16px;
    line-height: 23.17px;
  }

  .relation-link {
    margin-top: 30px;
    font-size: 14px;
    line-height: 20px;
    padding-top: 19px;
    margin-bottom: 20px;
  }

  .contact-header {
    width: 40%;
  }

  .contact-header .en {
    font-size: 20px;
  }

  .contact-header .cn {
    font-size: 20px;
    /* margin-top: -25px; */
    display: none;
  }


  .contact-header .cn.sp {
    display: block;
  }
}

@media (max-width: 432px) {
  .client .desc .desc-content {
    font-size: 13px;
  }

  .challenge-box-desc {
    font-size: 15px;
  }
}

@media (max-width: 389px) {
  .relation-link {
    margin-top: 30px;
    font-size: 13px;
    line-height: 20px;
    padding-top: 19px;
  }

}

@media (max-width: 430px) {
  .contact-list {
    padding: 20px;
  }
}

@media (max-width: 390px) {
  .label {
    width: 34px;
    font-weight: bold;
    flex-shrink: 0;
    margin-right: 3px;
    margin-left: 3px;
    color: rgba(41, 41, 41, 1);
  }

  .contact-item {
    display: flex;
    align-items: center;
  }
}