header {
  padding-bottom: 62px;
}
html {
  scroll-behavior: smooth;
}
.page {
  padding: 0 10%;
}

.container-header .title {
  font-size: 36px;
  font-weight: 700;
  color: #000;
  padding: 100px 0;
}

.banner {
  padding-bottom: 30px;
}

/* 导航 */
.nav {
  position: -webkit-sticky !important; /* 针对旧版 Safari 和 Chrome */
  position: sticky !important;
  top: 116px;
  z-index: 99999;
  background-color: #fff;
}
.nav-list {
  width: 100%;
  padding: 30px 0;
}

.nav-item {
  color: #666;
  font-size: 20px;
  text-align: center;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  transition: all 0.3s;
}

.nav-item-activate {
  color: var(--primary-color);
  font-size: 26px;
  text-align: center;
  font-weight: 700;
}
.nav-item:hover {
  color: var(--primary-color);
  font-size: 26px;
  text-align: center;
  font-weight: 700;
}

/* 预评估 */

.pre-appraisal .title {
  padding: 0 0 30px 0;
}
.pre-appraisal-content {
  background: linear-gradient(to bottom right, transparent 50%, #f3fbf6 50%);
}

.pre-content-left,
.pre-content-right {
  flex: 1;
}
.pre-content-right {
  margin-right: 5%;
  margin-bottom: 3%;
}

.start-assess {
  background-color: var(--primary-color);
  color: #fff;
  padding: 12px 48px;
  font-size: 24px;
  margin-top: 80px;
  border-radius: 6px;
}

/* 服务案例 */

.service-case {
  background-color: #f3f6f7;
  padding-bottom: 78px;
}
.service-case-left,
.service-case-right {
  width: 49%;
}
.service-case-left {
  margin-right: 2%;
}
.service-case-right {
  background-color: #fff;
  border-radius: 20px;
  padding: 0 3%;
}
.total-case-item {
  margin-bottom: 30px;
  border-radius: 20px;
}
.total-case-item .icon {
  width: 30%;
  background-color: var(--primary-color);
  border-radius: 20px 0 0 20px;
  padding: 10%;
  flex-shrink: 0;
}
.total-case-item .icon img {
  /* width: 100%;
  height: 120px; */
}
.case-img {
  object-filt: contain;
}

.case-content {
  width: 30%;
  /* padding: 66px 36px; */
  padding: 10% 5%;
  background-color: #fff;
  color: #666;
  flex: 1;
  border-radius: 0 20px 20px 0;
}
.case-content .case-value {
  font-size: 64px;
  font-weight: 700;

  /* margin-bottom: 30px; */
}
.case-content {
  font-size: 20px;
}
.explain {
  font-size: 16px;
  color: #666;
}
.score {
  font-size: 20px;
  color: var(--primary-color);
  font-weight: 700;
  margin-top: 30px;
}

/* 案例 */

.case {
  background-color: #fff;
  padding: 130px 0 90px;
}

.case-item {
  width: 23.3%;
  margin-right: 2%;
  border-radius: 20px;
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
  background: rgba(255, 255, 255, 1);
  margin-bottom: 2%;
}

.case-item:nth-child(4n) {
  margin-right: 0;
}
.case-item h4 {
  padding: 8%;
  font-size: 16px;
  display: -webkit-box; /* 使用弹性盒子布局 */
  -webkit-box-orient: vertical; /* 垂直排列 */
  -webkit-line-clamp: 2; /* 限制显示行数 */
  overflow: hidden; /* 隐藏溢出内容 */
  text-overflow: ellipsis; /* 显示省略号 */
  text-align: center;
}
/* 评级提升 */
.upgrade-img {
  height: 600px;
  /* padding: 0 20%; */
}

.rating-upgrade {
  background-color: #f3f6f7;
  padding-bottom: 130px;
}

.advantage {
  padding: 190px 0;
}
.flow-list {
  height: 100%;
}
.coach {
  width: 38%;
  margin: 0 10px;
}

.flow-item h4 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
}
.flow-fun-item {
  margin-bottom: 10px;
}
.flow-fun-item p {
  font-size: 20px;
  color: #000;
}
.advantage-item-icon {
  background-color: #e6e6e6;
}

.advantage-item:first-child .advantage-item-icon,
.advantage-item:last-child .advantage-item-icon {
  background-color: #0bb056;
}
.advantage-list {
  padding: 0 6%;
}
.advantage-item {
  width: 48%;
  padding: 2%;
}

.advantage-item-content h4 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-color);
  padding-bottom: 28px;
}
.advantage-item-content p {
  font-size: 20px;
}
.advantage-sub-item {
  margin-bottom: 8px;
}
.advantage-sub-item img {
  margin-right: 8px;
}
.advantage-item-icon img {
  width: 80px;
}

.advantage-item-icon {
  padding: 10%;
  width: 200px;
  height: 200px;
  border-radius: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
}
.advantage-item-icon:nth-child(1),
.advantage-item-icon:nth-child(3) {
  margin-right: 40px;
}
.advantage-item-icon:nth-child(0),
.advantage-item-icon:nth-child(2) {
  margin-left: 40px;
}
.advantage-item:nth-child(1),
.advantage-item:nth-child(3) {
  justify-content: flex-end;
}
.pre-appraisal {
  padding-top: 150px;
}
.flow-fun-list {
  height: 158px;
}
@media (max-width: 1600px) {
  .advantage-list {
    padding: 0 2%;
  }
  .advantage-item-content h4 {
    font-size: 24px;
  }
  .advantage-item-content p {
    font-size: 16px;
  }
  .advantage-item-icon {
    width: 160px;
    height: 160px;
  }
  .advantage-item-icon:nth-child(1),
  .advantage-item-icon:nth-child(3) {
    margin-right: 20px;
  }
  .advantage-item-icon:nth-child(0),
  .advantage-item-icon:nth-child(2) {
    margin-left: 20px;
  }
}

@media (max-width: 1200px) {
  .nav {
    top: 77px;
  }
  .nav-list {
    padding: 10px 0;
  }
  .banner h1 {
    font-size: 20px;
  }
  .upgrade-img {
    padding: 0 10%;
  }
  .case-item {
    width: 32%;
    border-radius: 10px;
  }

  .case-item:nth-child(4n) {
    margin-right: 2%;
  }
  .case-item:nth-child(3n) {
    margin-right: 0;
  }
  .case-content .case-value {
    font-size: 40px;
  }
  .flow-item h4 {
    font-size: 20px;
  }

  .flow-fun-item p {
    font-size: 14px;
  }
  .advantage-list {
    padding: 0;
  }
  .advantage-item-content h4 {
    font-size: 20px;
  }
  .advantage-item-content p {
    font-size: 14px;
  }
  .advantage-item-icon {
    width: 100px;
    height: 100px;
  }
  .advantage-item-icon img {
    width: 40px;
    height: 40px;
  }
  .advantage-item-icon {
    padding: 20px;
  }
  .advantage-item-icon:nth-child(1),
  .advantage-item-icon:nth-child(3) {
    margin-right: 20px;
  }
  .advantage-item-icon:nth-child(0),
  .advantage-item-icon:nth-child(2) {
    margin-left: 20px;
  }
  .advantage-item {
    padding: 2% 0;
  }
  .advantage-item {
    width: 47%;
  }
  .advantage {
    padding: 90px 0;
  }

  .nav-item-activate {
    font-size: 20px;
  }
  .nav-item:hover {
    font-size: 20px;
  }
}

@media (max-width: 992px) {
  .pre-appraisal {
    padding-top: 30px;
  }
  .nav-item-activate {
    font-size: 16px;
  }
  .nav-item:hover {
    font-size: 16px;
  }
  .case-item {
    width: 48%;
  }
  .case-item {
    margin-right: 4%;
    margin-bottom: 4%;
  }
  .case-item:nth-child(3n) {
    margin-right: 4%;
  }
  .case-item:nth-child(2n) {
    margin-right: 0;
  }
  .start-assess {
    margin-top: 40px;
  }
  .nav-item {
    font-size: 18px;
  }
  .flow-fun-item img {
    width: 14px;
    height: 14px;
  }
  .advantage-sub-item img {
    width: 14px;
    height: 14px;
  }
}

@media (max-width: 768px) {
  .upgrade-img {
    padding: 0;
  }
  .flow-fun-list {
    height: 100px;
  }
  .flow-fun-item {
    margin-bottom: 6px;
  }
  .nav {
    top: 62px;
  }
  .nav-item-activate {
    font-size: 14px;
  }
  .nav-item:hover {
    font-size: 14px;
  }
  .page {
    padding: 0 6%;
  }

  .nav-item {
    font-size: 16px;
  }
  .service-case-left {
    margin-right: 0;
    width: 100%;
    margin-bottom: 50px;
  }
  .service-case-right {
    width: 100%;
  }
  .case-item {
    width: 100%;
  }
  .case-item {
    margin: 0 0 4% 0 !important;
  }
  .case-item img {
    width: 100%;
    object-fit: contain;
  }
  .container-header .title {
    font-size: 18px;
    padding: 30px 0;
  }
  .upgrade-img {
    padding: 0;
  }
  .advantage {
    padding: 80px 0;
  }
  .pre-content-left h2 {
    font-size: 14px;
  }
  .start-assess {
    margin-top: 20px;
    padding: 6px 24px;
    font-size: 16px;
  }
  .case-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* align-items: center; */
    padding: 14px;
  }

  .explain {
    font-size: 12px;
  }
  .score {
    font-size: 14px;
    padding: 20px;
    margin: 0;
  }
  .case {
    padding: 40px 0;
  }
  .case-item h4 {
    font-size: 14px;
  }
  .rating-upgrade {
    padding-bottom: 60px;
  }
  .advantage {
    padding: 60px 0;
  }

  .upgrade-img {
    flex-direction: column;
    height: auto !important;
  }
  .flow-list {
    flex-direction: row !important;
    width: 100%;
    height: auto !important;
  }

  .coach {
    width: 80%;
  }
  .flow-item h4 {
    font-size: 16px;
  }
  .flow-fun-item p {
    font-size: 12px;
  }

  .advantage-item {
    width: 100%;
    justify-content: space-between !important;
    margin-bottom: 20px;
  }
  .advantage-item-icon:nth-child(1),
  .advantage-item-icon:nth-child(3) {
    margin: 0;
  }
  .advantage-item-icon:nth-child(0),
  .advantage-item-icon:nth-child(2) {
    margin: 0;
  }
  .advantage-item-content h4 {
    font-size: 16px;
  }
  .advantage-item-content p {
    font-size: 12px;
  }
  .advantage-list {
    padding: 0 10px;
  }
  .flow-fun-item img {
    width: 11px;
    height: 11px;
  }
  .advantage-sub-item img {
    width: 11px;
    height: 11px;
  }
}

@media (max-width: 500px) {
  .case-content .case-value {
    font-size: 24px;
  }
  .case-content p {
    font-size: 14px;
  }
}