.hero-div {
  background: url("https://img9.aijiuku.com/international/img/serviceSuperiority/hero_bg.png") center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 200px 20px;
  height: 730px;
}

.hero-div h1 {
  margin: 0;
  font-size: 64px;
  font-weight: bold;
}

.hero-div p {
  font-size: 24px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  width: 924px;
  margin: 20px auto 130px;
}

.btn-group {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn {
  transition: all 0.5s;
  cursor: pointer;
  line-height: 54px;
  border: none;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  width: 280px;
  height: 54px;
  border-radius: 40px;
}

.btn-outline {
  background: transparent;
  border: 1px solid #fff;
  color: #fff;
}

.btn-solid {
  background: #e60012;
  color: #fff;
}

.about-div {
  background: url("https://img9.aijiuku.com/international/img/serviceSuperiority/about_bg.png");
  color: #fff;
  text-align: center;
  padding: 30px 0;
  height: 220px;
}
.about-div h2 {
  font-size: 48px;
  font-weight: bold;
  margin: 0px 0 20px;
}
.about-div p {
  max-width: 870px;
  margin: 0 auto;
  font-size: 16px;
  font-weight: 500;
  line-height: 22px;
}

.station-info {
  display: flex;
  justify-content: space-between;
  padding: 90px 0 0;
}
.station-info .station-text h3 {
  font-size: 40px;
  font-weight: bold;
  border-bottom: 1px solid #d8d8d8;
  padding: 24px 0;
  margin: 0 0 24px;
  position: relative;
}
.station-info h3::after {
  content: "";
  width: 140px;
  height: 2px;
  background: #e51a1a;
  position: absolute;
  left: 0;
  bottom: 0;
}
.station-text {
  width: 630px;
}

.station-text p {
  margin-bottom: 30px;
  line-height: 1.6;
  font-size: 14px;
  color: #61646f;
}

.stats {
  display: flex;
  margin-top: 62px;
  justify-content: space-between;
  width: 100%;
}

.stat-item {
  text-align: left;
  font-size: 18px;
  color: #afb6c2;
  font-weight: 600;
}
.stat-item .num {
  color: #e51a1a;
  font-weight: 700;
  font-size: 48px;
  margin-bottom: 6px;
}
.stat-item .unit {
  font-size: 24px;
}

.station-img {
  width: 700px;
  height: 420px;
  border-radius: 12px;
  margin-top: 96px;
}

.station-img img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.service-partners {
  background: url(https://img9.aijiuku.com/international/img/serviceSuperiority/service_partners_bg.png) center /
    cover no-repeat;
  color: #fff;
  margin: 130px 0 0px;
  height: 568px;
}
.service-partners h2 {
  font-size: 48px;
  font-weight: bold;
  margin: 106px 0 30px;
}
.service-partners p {
  width: 700px;
  margin: 20px auto;
  line-height: 1.6;
}
.service-partners .btn-solid {
  margin-top: 30px;
}
.core-responsibilities {
  padding: 75px 20px 102px;
  text-align: center;
  background: url(https://img9.aijiuku.com/international/img/serviceSuperiority/core_responsibilities_bg.png) center /
    cover no-repeat;
  height: 880px;
}
.core-responsibilities h2 {
  font-size: 48px;
  font-weight: bold;
  color: #222222;
  margin: 0;
}
.core-responsibilities p {
  width: 890px;
  margin: 20px auto 60px;
  color: #61646f;
  font-size: 16px;
  font-weight: 500;
  line-height: 22px;
}
.responsibility-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.responsibility-item {
  padding: 30px 30px;
  width: 440px;
  height: 237px;
  border-radius: 12px;
  border: 1px solid #d8d8d8;
  background: #ffffff;
  margin: 0 40px 40px 0;
  text-align: left;
}
.responsibility-list .responsibility-item:nth-child(3),
.responsibility-list .responsibility-item:nth-child(6) {
  margin-right: 0;
}
.responsibility-item h4 {
  font-size: 24px;
  font-weight: bold;
  margin: 0;
}
.responsibility-item .desc {
  width: 100%;
  color: #61646f;
  font-size: 14px;
  line-height: 22px;
  margin: 20px 0 16px;
  height: 60px;
}

.why-partner {
  background: url("https://img9.aijiuku.com/international/img/serviceSuperiority/why_partner_bg.png") center/cover
    no-repeat;
  color: #fff;
  padding: 84px 0;
  height: 800px;
}
.why-partner h2 {
  font-size: 48px;
  font-weight: bold;
  margin: 0;
  text-align: center;
}
.why-partner .title-desc {
  font-size: 16px;
  font-weight: 500;
  width: 752px;
  margin: 20px auto 70px;
  line-height: 22px;
  text-align: center;
}
.why-partner .partner-benefits .benefit-item h4 {
  font-size: 24px;
  font-weight: bold;
  margin: 30px 0;
}
.why-partner .partner-benefits .benefit-item p {
  line-height: 22px;
}
.partner-benefits {
  display: flex;
  justify-content: space-between;
}

.benefit-item {
  padding: 50px 28px 0;
  width: 324px;
  height: 400px;
  border-radius: 20px;
  background: #613a2996;
}

.global-service {
  text-align: center;
  margin: 68px auto 78px;
}
.global-service h2 {
  font-size: 48px;
  font-weight: bold;
  margin: 0;
}
.global-service p {
  color: #61646f;
  font-size: 16px;
  font-weight: 500;
  margin: 18px 0 48px;
}
.global-service .map-div-form {
  background: url("https://img9.aijiuku.com/international/img/serviceSuperiority/map_form_bg.png") center/cover
    no-repeat;
  margin-top: 30px;
  height: 540px;
}

/* 底部通联表单 */
.map-div-form .w1400 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 70px 0;
}
.map-div-form .w1400 .title-box {
  color: #ffffff;
  width: 659px;
}
.map-div-form .w1400 .title-box .title {
  font-size: 48px;
  font-weight: bold;
}
.map-div-form .w1400 .title-box .desc {
  font-size: 24px;
  margin-top: 22px;
}
.map-div-form .form_box {
  width: 400px;
  height: 430px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #e7e7e7;
  padding: 26px 20px 0;
  margin: 50px 80px;
  text-align: left;
}
.map-div-form .form_box .title {
  font-size: 24px;
  font-weight: 600;
}
.map-div-form .form_box .desc {
  color: #61646f;
  font-size: 12px;
  margin: 7px 0 20px;
}
.map-div-form .form_box .close {
  position: absolute;
  right: 10px;
  top: 2px;
  font-size: 30px;
  cursor: pointer;
}
.map-div-form .form_box .form-content-form .el-input {
  margin-bottom: 20px;
}
.map-div-form .form_box .form-content-form .el-input .textarea {
  line-height: 1.5;
  padding: 5px 15px;
  width: 360px;
  height: 111px;
  border-radius: 8px;
  resize: none;
  background: #f7f9fc;
  border: 1px solid #d8d8d8;
}

.map-div-form .form_box .form-content-form .el-input .input-box {
  display: flex;
  align-items: center;
  margin: 10px 0;
  height: 40px;
  position: relative;
}

.map-div-form .form_box .form-content-form .el-input .input-box input {
  background: #f7f9fc;
  padding-left: 46px;
  height: 40px;
  border: 1px solid #d8d8d8;
  border-radius: 8px;
  background: #f7f9fc;
}
.map-div-form .form_box .form-content-form .el-input .textarea.is-error,
.map-div-form .form_box .form-content-form .el-input .input-box input.is-error {
  border-color: #f56c6c;
}

.map-div-form .form_box .form-content-form .el-input .input-box .iconfont {
  margin: 0 10px;
  position: absolute;
}

.map-div-form .form_box .form-content-form .submit_btn {
  width: 228px;
  height: 40px;
  border-radius: 40px;
  background: #e51a1a;
  text-align: center;
  line-height: 40px;
  font-size: 16px;
  font-weight: 500;
  color: #ffffff;
  margin: auto;
  cursor: pointer;
  transition: all 0.5s;
}

.map-div-form .form_box .form-content-form .submit_btn:hover {
  width: 280px;
}

/* 弹框 */
.container .model {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 9999;
  background-color: rgba(0, 0, 0, 0.4);
}
.container .model .model_box {
  background: rgb(233 233 233);
  margin: 10% auto;
  width: 400px;
  height: 420px;
  border-radius: 12px;
  padding: 20px;
  position: relative;
}
.container .model .model_box .close {
  position: absolute;
  right: 10px;
  top: 2px;
  font-size: 30px;
  cursor: pointer;
}
.container .model .model_box .close_img {
  text-align: right;
  margin-bottom: 56px;
}
.container .model .model_box .close_img img {
  width: 16px;
  height: 16px;
  margin-right: 18px;
  margin-top: 18px;
  margin-bottom: 18px;
}
.container .model .model_box .success_box {
  text-align: center;
}
.container .model .model_box .success_box .success_content {
  font-size: 24px;
  line-height: 28px;
  font-weight: bold;
  color: rgba(34, 34, 34, 1);
}
.container .model .title {
  font-size: 24px;
  font-weight: 600;
}
.container .model .desc {
  color: #61646f;
  font-size: 12px;
  margin: 7px 0 20px;
}

.container .model .model-content-form .el-input {
  margin-bottom: 20px;
}
.container .model .model-content-form .el-input .textarea {
  line-height: 1.5;
  padding: 5px 15px;
  width: 360px;
  height: 111px;
  border-radius: 8px;
  resize: none;
  background: #f7f9fc;
  border: 1px solid #d8d8d8;
}
.container .model .model-content-form .el-input .input-box {
  display: flex;
  align-items: center;
  margin: 10px 0;
  height: 40px;
  position: relative;
}

.container .model .model-content-form .el-input .input-box input {
  padding-left: 46px;
  height: 40px;
  border: 1px solid #d8d8d8;
  border-radius: 8px;
  background: #f7f9fc;
}
.container .model .model-content-form .el-input .textarea.is-error,
.container .model .model-content-form .el-input .input-box input.is-error {
  border-color: #f56c6c;
}

.container .model .model-content-form .el-input .input-box .iconfont {
  margin: 0 10px;
  position: absolute;
}

.container .model .model-content-form .submit_btn {
  width: 228px;
  height: 40px;
  border-radius: 40px;
  background: #e51a1a;
  text-align: center;
  line-height: 40px;
  font-size: 16px;
  font-weight: 500;
  color: #ffffff;
  margin: auto;
  cursor: pointer;
}

.btn:hover {
  width: 380px;
}

/* 侧边栏 */
.container .step_box {
  position: fixed;
  bottom: 200px;
  right: 0;
  border-radius: 12px;
  width: 98px;
  background-color: #fff;
  text-align: center;
  font-size: 12px;
  color: #6c6c76;
  padding: 0 6px;
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.06);
  z-index: 99;
}
.container .step_box .floating-sidebar a,
.container .step_box .floating-sidebar div {
  color: #222222;
  font-size: 14px;
  margin: 22px 0;
  display: block;
}
.container .step_box .floating-sidebar .iconfont {
  display: block;
  width: 36px;
  height: 36px;
  background: #222222;
  color: #fff;
  border-radius: 20px;
  line-height: 36px;
  margin: auto;
  margin-bottom: 10px;
}
.container .step_box .floating-sidebar a:hover,
.container .step_box .floating-sidebar div:hover {
  color: #e51a1a;
}
.container .step_box .floating-sidebar a:hover .iconfont,
.container .step_box .floating-sidebar div:hover .iconfont {
  background: #e51a1a;
}
.container .step_box .floating-sidebar .serviceSuperiority-post-btn {
  cursor: pointer;
}
.container .step_box .floating-sidebar .top-btn {
  display: none; /* 默认隐藏 */
  transition: opacity 0.3s ease;
}

.container .step_box .floating-sidebar .top-btn.visible {
  display: block; /* 滚动后显示 */
}

.container .step_box .floating-sidebar a.E-mail:hover .mail {
  display: block;
}

.container .step_box .floating-sidebar a.E-mail .mail::after {
  content: "";
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 12px 0 12px 18px;
  border-style: solid;
  border-color: transparent transparent transparent #fff;
}
.container .step_box .floating-sidebar a .mail {
  display: none;
  position: absolute;
  top: 0px;
  left: -260px;
  width: 230px;
  background: #ffffff;
  height: 54px;
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.1);
  text-align: center;
  line-height: 54px;
  font-size: 18px;
  font-weight: 600;
  color: #222;
  border-radius: 12px;
}

.bottom-icon {
  margin-top: 76px;
  display: block;
}
.bottom-icon .iconfont {
  font-size: 60px;
}