:root {
  --deep-blue: #333;
  --gold: #d4af37;
  --tech-blue: #4a90e2;
  --vibrant-orange: #f5a623;
  --light-blue: #e6f0ff;
  --white: #ffffff;
  --dark-gray: #333333;
  --light-gray: #f5f7fa;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
  overflow-x: hidden;
}

/* 全局样式 */
.container {
  /* max-width: 1200px; */
  margin: 0 auto;
  padding: 0 70px;
}

.section {
  padding: 80px 0 40px;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);

  &.active {
    transform: translateY(0px);
    opacity: 1;
  }
}

.section-title h2 {
  font-size: 36px;
  color: var(--deep-blue);
  font-weight: 700;
  margin-bottom: 15px;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--deep-blue), var(--gold));
  border-radius: 2px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: linear-gradient(90deg, var(--deep-blue), var(--tech-blue));
  color: var(--white);
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(10, 42, 94, 0.2);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(10, 42, 94, 0.3);
}

.btn-gold {
  background: linear-gradient(90deg, var(--gold), #f0c050);
  color: var(--deep-blue);
}

/* 粒子背景 Banner */
#hero {
  height: 100vh;
  position: relative;
  background: linear-gradient(135deg, var(--deep-blue) 0%, #0d3a8c 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
}

#particles-js {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: var(--white);
  padding: 0 20px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

.hero-icons {
  display: flex;
  justify-content: center;
  gap: 100px;
  margin-top: 60px;
}

.icon-wrapper {
  text-align: center;
  position: relative;
}

.icon-wrapper::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 100%;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--vibrant-orange));
  transform: translateY(-50%);
}

.icon-wrapper:last-child::after {
  display: none;
}

.building-icon,
.people-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  font-size: 36px;
  color: var(--gold);
  border: 2px solid var(--gold);
}

/* 集团简介 */
#about {
  background-color: var(--white);
}

.about-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.about-text {
  flex: 1;
}

.about-text h2 {
  color: var(--deep-blue);
  font-size: 2.5rem;
  margin-bottom: 25px;
  position: relative;
  padding-left: 20px;
}

.about-text h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  height: 70%;
  width: 5px;
  background: var(--gold);
}

.about-text p {
  margin-bottom: 25px;
  font-size: 1.1rem;
  line-height: 1.8;
}

.timeline {
  flex: 1;
  position: relative;
  padding: 30px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: linear-gradient(to bottom,
      var(--deep-blue),
      var(--tech-blue),
      var(--gold));
  transform: translateX(-50%);
}

.timeline-item {
  width: calc(50% - 40px);
  padding: 20px;
  background: var(--light-blue);
  border-radius: 10px;
  position: relative;
  margin-bottom: 40px;
}

.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: calc(50% + 40px);
}

.timeline-item::after {
  content: "";
  position: absolute;
  top: 30px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold);
  border: 4px solid var(--white);
  box-shadow: 0 0 0 2px var(--gold);
}

.timeline-item:nth-child(odd)::after {
  right: -50px;
}

.timeline-item:nth-child(even)::after {
  left: -50px;
}

.timeline-year {
  font-size: 24px;
  font-weight: 700;
  color: var(--deep-blue);
  margin-bottom: 10px;
}

.timeline-content {
  font-size: 16px;
}

.about-icons {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.icon-card {
  text-align: center;
  width: 150px;
}

.icon-card i {
  font-size: 40px;
  color: var(--gold);
  margin-bottom: 15px;
}

.icon-card h3 {
  color: var(--deep-blue);
  font-size: 18px;
}

/* 服务模式 */
#services {
  /* background: linear-gradient(to bottom, var(--light-blue), var(--white)); */
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  /* place-items: center; */
  gap: 30px;

  &>div {
    transform: translateY(100px);
    opacity: 0;
    --time: 0s;
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) var(--time);

    &:nth-child(2) {
      --time: 0.2s;
    }

    &:nth-child(3) {
      --time: 0.4s;
    }

    &:nth-child(4) {
      --time: 0.6s;
    }

    &:nth-child(5) {
      --time: 0.8s;
    }

    &:nth-child(6) {
      --time: 1s;
    }
  }

  &.active {
    &>div {
      transform: translateY(0);
      opacity: 1;
    }
  }
}

.service-card {
  background: var(--white);
  border-radius: 15px;
  padding: 35px 25px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(10, 42, 94, 0.08);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--tech-blue);
  transition: height 0.4s ease;
  z-index: -1;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(10, 42, 94, 0.15);
}

.service-card:hover::before {
  height: 100%;
}

.service-card:hover .service-icon {
  transform: rotateY(360deg);
  color: var(--white);
}

.service-card:hover h3,
.service-card:hover p {
  color: var(--white);
}

.service-icon {
  font-size: 50px;
  margin-bottom: 25px;
  transition: all 0.6s ease;
}

.service-icon img {
  width: 80px;
  height: 80px;
}

/* 紫色 */

.service-card h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--deep-blue);
  transition: color 0.4s ease;
}

.service-card p {
  color: #666;
  transition: color 0.4s ease;
}

/* 服务价值 */
#value {
  /* background-color: var(--white); */
  position: relative;
  overflow: hidden;
  background-color: var(--light-gray);
  padding: 70px 0 54px;
}

.value_img {
  position: absolute;
  width: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.value-container {
  display: flex;
  flex-wrap: wrap;
  column-gap: 32px;

  &>div {
    transform: translateY(100px);
    opacity: 0;
    --time: 0s;
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) var(--time);

    &:nth-child(2) {
      --time: 0.2s;
    }

    &:nth-child(3) {
      --time: 0.4s;
    }

    &:nth-child(4) {
      --time: 0.6s;
    }
  }

  &.active {
    &>div {
      transform: translateY(0);
      opacity: 1;
    }
  }
}

.value-container>div {
  text-align: center;
  background-color: #fff;
  border-top: 4px solid #0d3a8c;
  flex-grow: 1;
  padding: 52px 0;
  border-radius: 15px;
}

.value-container>div h1 {
  font-size: 32px;
  color: #333;
  margin-bottom: 40px;
}

.value-container>div p {
  font-size: 16px;
  margin-top: 16px;
}

.value-container>div p span {
  color: #4a90e2;
  margin: 0 20px;
  font-weight: bold;
}

/* 服务保障 */
#guarantee {
  color: var(--white);
  background-color: var(--light-gray);
  padding: 100px 0;
}

.guarantee-container {
  display: flex;
  gap: 50px;
  align-items: center;
}

.guarantee-left {
  flex: 1;
  padding: 30px;
}

.guarantee-right {
  flex: 1;
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.guarantee-left h2 {
  font-size: 2.5rem;
  margin-bottom: 25px;
  position: relative;
}

.guarantee-left h2 span {
  color: var(--gold);
}

.guarantee-feature {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  align-items: flex-start;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--gold);
}

.feature-icon img {
  width: 50px;
  height: 50px;
}

.feature-content h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.team-showcase {
  text-align: center;
  margin-top: 40px;
}

.team-showcase h3 {
  color: var(--deep-blue);
  font-size: 24px;
  margin-bottom: 30px;
}

.team-members {
  display: flex;
  justify-content: center;
  gap: 30px;
}

.team-member {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--gold);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.team-member img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.badge {
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--gold);
  color: var(--deep-blue);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 18px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.onsite-service {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--light-blue);
  padding: 20px;
  border-radius: 15px;
  margin-top: 40px;
}

.onsite-icon {
  min-width: 70px;
  height: 70px;
  background: var(--deep-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--gold);
}

.onsite-icon img {
  width: 60px;
  height: 60px;
}

.onsite-content h4 {
  color: var(--deep-blue);
  font-size: 20px;
  margin-bottom: 10px;
}

.onsite-content p {
  color: #999;
}

/* 服务优势 */
#advantages {
  background-color: var(--light-gray);
  padding: 70px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;

  &>div {
    transform: translateY(100px);
    opacity: 0;
    --time: 0s;
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) var(--time);

    &:nth-child(2) {
      --time: 0.2s;
    }

    &:nth-child(3) {
      --time: 0.4s;
    }

    &:nth-child(4) {
      --time: 0.6s;
    }

    &:nth-child(5) {
      --time: 0.8s;
    }

    &:nth-child(6) {
      --time: 1s;
    }
  }

  &.active {
    &>div {
      transform: translateY(0);
      opacity: 1;
    }
  }
}

.advantage-card {
  /* background: var(--white); */
  border-radius: 15px;
  /* overflow: hidden; */
  /* box-shadow: 0 10px 30px rgba(10, 42, 94, 0.1); */
  transition: all 0.4s ease;
  perspective: 1000px;
  height: 300px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

/* .advantage-card:hover .card-inner {
  transform: rotateY(180deg);
} */

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  border-radius: 15px;
}

.card-front {
  /* background: linear-gradient(
    135deg,
    var(--deep-blue) 0%,
    var(--tech-blue) 100%
  ); */
  background-color: #ffffff60;
  /* color: var(--white); */
  overflow: hidden;
}

.card-front>img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  /* 禁止图片被选中 */
  user-select: none;
  z-index: 0;
}

.card-back {
  background: #4a90e2;
  color: #fff;
  transform: rotateY(180deg);
}

.card-num {
  font-size: 24px;
  font-weight: bold;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon {
  font-size: 50px;
  margin-bottom: 20px;
}

.card-icon>img {
  width: 50px;
}

.card-front h3 {
  font-size: 22px;
  margin-bottom: 15px;
}

.card-back>img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  /* 禁止图片被选中 */
  user-select: none;
}

.card-back h3 {
  font-size: 22px;
  /* color: var(--deep-blue); */
  margin-bottom: 15px;
  position: relative;
}

.card-back p {
  font-size: 16px;
  position: relative;
}

#guarantee {
  /* 设置全屏显示 */
  position: relative;
  padding: 0;
}

/* 手风琴容器 - 水平排列 */
.accordion-container {
  display: flex;
  width: 100%;
  padding: 0 10px;

  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);

  &.active {
    transform: translateY(0);
    opacity: 1;
  }
}

/* 手风琴项样式 */
.accordion-item {
  flex: 1;
  box-sizing: border-box;
  transition: flex 0.5s ease;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  padding: 0px 10px;
  height: 440px;
}

.accordion-item>div {
  display: flex;
  align-items: center;
  padding-left: 50px;
  border-radius: 20px;
  width: 100%;
  height: 100%;
}

/* 默认宽度分配：第一个50%，其余25% */
.accordion-item:nth-child(1) {
  flex: 2;
  /* 默认第一个项占50%宽度 */
}

/* 移除任何可能的高度限制 */
.accordion-content {
  max-height: none !important;
  height: auto !important;
  color: #fff;
}

/* 确保内容默认全部显示 */
.accordion-content {
  max-height: none !important;
}

.accordion-item:nth-child(2),
.accordion-item:nth-child(3) {
  flex: 1;
  /* 25%宽度 */
}

/* 手风琴头部样式 */
.accordion-header {
  color: #fff;
  font-size: 38px;
  font-weight: bold;
  margin-bottom: 40px;
  border-radius: 8px 8px 0 0;
}

/* 内容区域样式 */
.accordion-content {
  color: #fff;
  font-size: 16px;
  line-height: 1.6;
  width: 300px;
}

/* 确保第一个项默认展开状态 */

.timeline-img {
  max-width: 1200px;
  width: calc(100% - 140px);
  margin: 0 auto;
  display: block;
  margin-bottom: 70px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);

  &.active {
    transform: translateY(0);
    opacity: 1;
  }
}

.accordion-item:first-child {
  flex: 2;
}

.timeline-container {
  padding: 210px 70px 0;
}

.timeline-container-top {
  width: 100%;
  height: 320px;
  border-radius: 100%;
  opacity: 0.2;
  border-top: 2px solid #0d3a8c;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  transform: translateY(100px);

  &.active {
    transform: translateY(0);
    opacity: 1;
  }
}

.timeline-container-list {
  display: flex;
  column-gap: 20px;
  margin-bottom: 70px;
  position: relative;

  &::before {
    content: '';
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, #178cde00, #00c3ff 50%, #178cde00);
  }

  &>div {
    transform: translateY(100px);
    opacity: 0;
    --time: 0s;

    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) var(--time) !important;

    &:nth-child(1) {
      --time: 0.2s;
    }

    &:nth-child(2) {
      --time: 0.4s;
    }

    &:nth-child(3) {
      --time: 0.6s;
    }

    &:nth-child(4) {
      --time: 0.8s;
    }

    &:nth-child(5) {
      --time: 1s;
    }

    &:nth-child(6) {
      --time: 1.2s;
    }
  }

  &.active>div {
    transform: translateY(0);
    opacity: 1;
  }
}

.timeline-container-list>div {
  width: calc(100% / 6);
  border-radius: 10px;
  padding: 40px 30px;
  font-size: 16px;
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.timeline-container-list>div:hover {
  /* background-color: #4a90e2;
  color: #fff; */
  --time: 0s;
  transform: translateY(-15px);
}

.timeline-container-list-top {
  font-size: 28px;
  font-weight: bold;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #4a90e2;
  box-shadow: 10px 20px 20px #4a90e240;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 40px;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .value-container {
    flex-direction: column;

  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guarantee-container {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .nav-collapse {
    flex-direction: column;
  }

  .value-card {
    margin: 10px 0;
  }

  .about-content {
    flex-direction: column;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-icons {
    flex-direction: column;
    gap: 40px;
  }

  .icon-wrapper::after {
    width: 2px;
    height: 60px;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
  }
}



.outsourcing_video {
  width: 100%;
  height: 80vh;
  position: relative;
  opacity: 0;
  transform: translateY(100px);
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) 0.6s;
  z-index: 1;
  background-color: #000;
  display: flex;
  align-items: center;

  &.active {
    transform: translateY(0);
    opacity: 1;
  }

  &>video {
    position: absolute;
    top: 0;
    left: 0;
    opacity: .6;
  }

  .mask {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom right, #0081cc10, #0081cc20, #0081cc60);
    top: 0;
    left: 0;
  }

  .video_text {
    position: relative;
    padding-left: 200px;
    z-index: 1;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    opacity: 0;
    transform: translateY(100px);
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);



    &>p {
      font-size: 36px;
    }

    &>h1 {
      font-size: 52px;
      margin-top: 10px;

      &>span {
        -webkit-background-clip: text;
        background-clip: text;
        margin: 0 10px;
        font-family: hb;
        font-weight: bold;
        -webkit-text-fill-color: transparent;
        background-image: linear-gradient(to right, #178cde, #00c3ff 50%, #178cde);
      }
    }

    &>div {
      padding: 20px 60px 40px;
      border-radius: 60px;
      /* 磨砂玻璃效果 */
      background-color: rgba(0, 0, 0, 0.3);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      margin-top: 40px;
      opacity: 0;
      transform: translateY(100px);
      transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) 0.2s;

      &>p {
        font-size: 16px;
        text-align: center;
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 20px;

        &::after {
          content: '';
          position: absolute;
          left: 0;
          right: 0;
          margin: 0 auto;
          bottom: 0;
          width: 50px;
          height: 1px;
          background: linear-gradient(to right, #178cde, #00c3ff 50%, #178cde);
        }
      }

      &>ul {
        display: flex;
        align-items: center;
        column-gap: 40px;

        &>li {
          text-align: center;
          font-size: 16px;
          transform: translateY(100px);
          opacity: 0;
          --time: 0.6s;
          transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) var(--time);

          &:nth-child(2) {
            --time: 0.8s;
          }

          &:nth-child(3) {
            --time: 1s;
          }

          &:nth-child(4) {
            --time: 1.2s;
          }

          &>img {
            width: 70px;
            object-fit: contain;
            margin-bottom: 10px;
          }

          &>p {
            -webkit-background-clip: text;
            background-clip: text;
            font-weight: bold;
            -webkit-text-fill-color: transparent;
            font-family: hb;
            background-image: linear-gradient(to right, #178cde, #00c3ff 50%, #178cde);
          }
        }
      }
    }

    &.active {
      transform: translateY(0);
      opacity: 1;

      &>div {
        transform: translateY(0);
        opacity: 1;

        &>ul {
          &>li {
            transform: translateY(0);
            opacity: 1;
          }
        }
      }
    }
  }
}

.outsourcing_new_top {
  position: relative;

  .about_new_top {
    --newTopColor: #0682c9;
    height: auto;
    background-color: #f1f1f1;
    padding-bottom: 160px;
  }

  &>img {
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0.5;
  }
}

.section-title {
  margin-bottom: 70px;

  &>h2 {
    margin-bottom: 30px;

    span {
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      background-image: linear-gradient(to right, #178cde, #00c3ff 50%, #178cde);
    }
  }

  &::after {
    bottom: -30px;
    background: linear-gradient(to right, #178cde, #00c3ff 50%, #178cde);
  }
}


.services_outer {
  position: relative;
  width: 50vh;
  height: 50vh;
  border-radius: 50%;
  border: 2px solid #e1e1e1;
  margin: 0 auto;

  &::after,
  &::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: var(--wh);
    height: var(--wh);
    border-radius: 50%;
    border-top: 1px solid var(--color);
    border-left: 1px solid var(--color2);
    border-bottom: 1px solid var(--color);
    border-right: 1px solid var(--color2);
    animation: rotateReverse var(--time) linear infinite var(--item2);

  }

  &::after {
    --wh: 30vh;
    --color: #e1e1e1;
    --color2: #fff;
    --time: 4s;
    --item2: 0s;
    --circle: 360deg;
  }

  &::before {
    --wh: 70vh;
    --color: #fff;
    --color2: #e1e1e1;
    --time: 5s;
    --item2: 0s;
    --circle: -360deg;
  }

  &>li {
    display: flex;
    align-items: center;
    position: absolute;

    &>img {
      width: 80px;
      height: 80px;
      border-radius: 50%;
    }

    &>div {
      position: absolute;
      width: 340px;
      background-color: #fff;
      padding: 20px;
      border-radius: 20px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);

      &>h1 {
        font-size: 18px;
      }

      &>p {
        font-size: 14px;
        margin-top: 5px;
        line-height: 24px;
      }
    }

    &:nth-child(1) {
      top: -40px;
      left: 50%;
      transform: translateX(-50%);

      &>div {
        bottom: calc(100% + 20px);
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
      }
    }

    &:nth-child(2) {
      top: 30%;
      right: -20px;
      transform: translateY(-50%);

      &>div {
        left: calc(100% + 20px);
        top: 50%;
        transform: translateY(-50%);
      }
    }

    &:nth-child(3) {
      bottom: 30%;
      right: -20px;
      transform: translateY(50%);

      &>div {
        left: calc(100% + 20px);
        top: 50%;
        transform: translateY(-50%);
      }
    }

    &:nth-child(4) {
      bottom: -40px;
      left: 50%;
      transform: translateX(-50%);

      &>div {
        top: calc(100% + 20px);
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
      }
    }

    &:nth-child(5) {
      bottom: 30%;
      left: -20px;
      transform: translateY(50%);

      &>div {
        right: calc(100% + 20px);
        top: 50%;
        transform: translateY(-50%);
        text-align: right;
      }
    }

    &:nth-child(6) {
      top: 30%;
      left: -20px;
      transform: translateY(-50%);

      &>div {
        right: calc(100% + 20px);
        top: 50%;
        transform: translateY(-50%);
        text-align: right;
      }
    }
  }

}

.services_ring {
  padding: 200px 0;
  opacity: 0;
  transform: translateY(100px) scale(1.4);
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);

  &.active {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes rotateReverse {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  100% {
    transform: translate(-50%, -50%) rotate(var(--circle));
  }
}

.services_mode {
  position: relative;
  opacity: 0;
  transform: translateY(100px) scale(1.4);
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);

  &.active {
    transform: translateY(0) scale(1);
    opacity: 1;
  }


  .triangle {
    width: 60vh;
    height: 60vh;
    transform: rotate(45deg);
    border-right: 2px solid #e1e1e1;
    border-bottom: 2px dashed #ff8800;
    margin: -15vh auto 0;
    position: relative;

    &::after {
      position: absolute;
      content: "";
      right: -100px;
      top: 50%;
      width: 2px;
      height: var(--wh);
      background-color: #e1e1e1;
      transform: translateY(-50%);
      animation: whReverse 4s linear infinite;
    }

    &::before {
      content: "";
      position: absolute;
      bottom: -100px;
      left: 50%;
      width: var(--wh);
      height: 2px;
      background-color: #e1e1e1;
      transform: translateX(-50%);
      animation: whReverse 5s linear infinite;
    }

    &>p {
      width: 68vh;
      height: 2px;
      background-color: #e1e1e1;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) rotate(-45deg);
    }

    &>div {
      position: absolute;
      line-height: 46px;
      font-size: 16px;
      font-weight: bold;
      text-align: center;
      width: 100%;

      &:nth-of-type(1) {
        right: 0;
        top: 50%;
        transform: translate(50%, -50%) rotate(-90deg);
      }

      &:nth-of-type(2) {
        left: 50%;
        bottom: 0;
        transform: translate(-50%, 50%);
        color: #ff8800;
      }

      &:nth-of-type(3) {
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%) rotate(-45deg);
      }
    }
  }

  .icon_list {
    &>li {
      position: absolute;

      text-align: center;
      background-color: #fff;
      padding: 10px 10px 30px;
      border-radius: 100px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);

      &>img {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        margin-bottom: 10px;
      }

      &>p {
        font-size: 16px;
      }

      &:nth-child(1) {
        top: 20vh;
        left: calc(50% - 40vh);
        transform: translateX(-50%);
      }

      &:nth-child(2) {
        top: 20vh;
        right: calc(50% - 40vh);
        transform: translateX(50%);
      }

      &:nth-child(3) {
        bottom: -16vh;
        left: 50%;
        transform: translateX(-50%);
      }
    }
  }
}

/* 修复CSS变量语法定义，将angle改为length以正确支持长度值动画 */
@property --wh {
  syntax: "<length>";
  initial-value: 10vh;
  inherits: false;
}

@keyframes whReverse {
  0% {
    --wh: 10vh;
  }

  50% {
    --wh: 40vh;
  }

  100% {
    --wh: 10vh;
  }
}

@media (max-width: 1366px) {
  .outsourcing_video {
    .video_text {
      padding-left: 92px;
    }
  }

  .container {
    padding: 0 32px;
  }

  .timeline-container {
    padding: 210px 32px 0;
  }

  .timeline-container-list {
    margin-bottom: 32px;
  }

  #value {
    padding: 32px 0 32px;
  }

  .container {
    padding: 0 32px;
  }

  .accordion-item>div {
    padding-left: 20px;
  }

  .accordion-content {
    width: 260px;
  }

  .section {
    padding: 32px 0 20px;
  }

  .services_ring {
    padding: 180px 0;
  }

  #advantages {
    padding: 32px 0;
  }
}

@media (max-width: 1340px) {}

@media (max-width: 1240px) {}

@media (max-width: 1000px) {
  .outsourcing_video {
    padding: 70px 0;
    height: auto;

    .video_text {
      padding: 0 20px;
      width: 100%;
    }
  }

  .outsourcing_video {
    & .video_text {
      &.active {
        &>div {
          width: 100%;
        }
      }
    }
  }

  .outsourcing_video {
    & .video_text {
      &>p {
        font-size: 24px;
      }
    }
  }

  .outsourcing_video {
    & .video_text {
      &>h1 {
        font-size: 48px;
      }
    }
  }

  .outsourcing_video {
    & .video_text {
      &>div {
        padding: 20px;
        border-radius: 20px;

        &>ul {
          &>li {
            &>img {
              width: 40px;
            }

            &>p {
              font-size: 14px;
            }
          }
        }
      }
    }
  }

  .container {
    padding: 32px 0 0;
  }

  .value-container {
    padding: 0 20px;
  }

  .services_outer {
    width: 306px;
    height: 306px;

    &::before {
      --wh: 420px;
    }

    &::after {
      --wh: 180px;
    }
  }

  .services_ring_box {
    width: 100%;
    overflow: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .services_ring {
    padding: 180px 0;
    width: 830px;
  }

  .services_outer {
    &>li {
      &>div {
        width: 200px;
        padding: 10px;
        border-radius: 10px;
      }
    }
  }

  .section-title h2 {
    padding: 0 20px;
  }

  .services_mode {
    width: 830px;

    .triangle {
      width: 410px;
      height: 410px;
    }
  }

  .services_mode {
    & .triangle {
      &>p {
        width: 580px;
      }
    }

    & .icon_list {
      &>li {
        &:nth-child(1) {
          top: 140px;
          left: calc(50% - 290px);
        }

        &:nth-child(2) {
          top: 140px;
          right: calc(50% - 290px);
        }
      }
    }
  }

  .services_mode_box {
    width: 100%;
    overflow: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    height: 540px;
  }

  .timeline-container {
    padding: 0;
  }

  .section-title {
    margin-bottom: 32px;
    transform: translateY(0px);
    opacity: 1;
  }

  .imeline-container-list_box {
    position: relative;

    &::before {
      content: '';
      position: absolute;
      top: 50px;
      left: 0;
      width: 100%;
      height: 2px;
      background: linear-gradient(to right, #178cde00, #00c3ff 50%, #178cde00);
    }
  }

  .timeline-container-list {
    overflow: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    margin-bottom: 0;

    &::before {
      display: none;
    }

    &.active>div {
      width: 60%;
      padding: 20px;
      flex-shrink: 0;
    }

  }

  .value-container {
    flex-direction: row;
    gap: 10px;

    &>div {
      width: calc(50% - 10px);
    }
  }

  .value-container>div {
    padding: 32px 0;
    border-radius: 10px;
  }

  .value-container>div h1 {
    margin-bottom: 20px;
    font-size: 20px;
  }

  .value-container>div p {
    font-size: 14px;
  }

  .value-container>div p span {
    margin: 0;
  }

  .accordion-container {
    display: block !important;
  }

  .accordion-item {
    height: 240px;
  }

  .accordion-header {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .accordion-content {
    width: 100%;
    padding-right: 20px;
    font-size: 14px;
  }

  .accordion-item {
    margin-top: 20px;
  }

  #value {
    padding: 32px 0 0px;
  }

  #advantages {
    padding: 0 0 32px 0;
  }

  .advantages-grid {
    gap: 10px;
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    padding: 32px 20px 0;
  }

  .advantage-card {
    height: 240px;
  }

  .card-icon {
    margin-bottom: 0px;
  }

  .card-front,
  .card-back {
    padding: 20px;
  }

  .services_mode {
    .triangle {
      margin: -100px auto 0;
    }
  }
}