:root {
  --primary-color: #1890ff;
  --primary-color-rgb: 18, 143, 253;
  --secondary-color: #34a853;
  --accent-color: #fbbc05;
  --dark-color: #1f2937;
  --light-color: #f9fafb;
  --text-color: #333333;
  --text-light: #6b7280;
  --white: #ffffff;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --max-width: 1280px;
}

.flex {
  display: -webkit-box;
  /* 老版本语法: Safari, iOS, Android browser, older WebKit browsers. */
  display: -moz-box;
  /* 老版本语法: Firefox (buggy) */
  display: -ms-flexbox;
  /* 混合版本语法: IE 10 */
  display: -webkit-flex;
  /* 新版本语法: Chrome 21+ */
  display: flex;
  /* 新版本语法: Opera 12.1, Firefox 22+ */
}

.justify-between {
  justify-content: space-between;
}

.flex-v {
  -webkit-box-orient: vertical;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
}

.flex-1 {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
}

.flex-shrink0 {
  flex-shrink: 0;
}

.flex-width145 {
  flex: 0 0 145px;
}

.flex-align-center {
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
}

.flex-align-left {
  -webkit-box-align: start;
  -webkit-align-items: start;
  -ms-flex-align: start;
  align-items: start;
}

.flex-align-right {
  -webkit-box-align: end;
  -webkit-align-items: end;
  -ms-flex-align: end;
  align-items: end;
}

.flex-pack-center {
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.flex-pack-top {
  -webkit-box-pack: top;
  -webkit-justify-content: top;
  -ms-flex-pack: top;
  justify-content: top;
}

.flex-pack-left {
  -webkit-box-pack: flex-start;
  -webkit-justify-content: flex-start;
  -ms-flex-pack: flex-start;
  justify-content: flex-start;
}

.flex-pack-right {
  -webkit-box-pack: flex-end;
  -webkit-justify-content: flex-end;
  -ms-flex-pack: flex-end;
  justify-content: flex-end;
}

.flex-pack-justify {
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

body {
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 导航条样式 */
.navbar {
  background-color: rgba(255, 255, 255, 0.8); /* 添加透明度 */
  color: var(--dark-color);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

/* 导航条隐藏样式 */
.navbar.hidden {
  transform: translateY(-100%);
}

.navbar-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%; /* 确保导航条区域整行 */
  backdrop-filter: blur(5px);
}

.logo {
  font-size: 1.4rem;
  font-weight: 500;
  color: #000000;
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 40px;
  margin-right: 10px;
}

.logo span {
  color: var(--dark-color);
}

.nav-links {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* 移动端菜单按钮 */
.menu-btn {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
  z-index: 1001;
}

/* From Uiverse.io by vk-uiux */
.toggle {
  position: relative;
  width: 40px;
  cursor: pointer;
  margin: auto;
  display: block;
  height: calc(4px * 3 + 11px * 2);
  transform: scale(0.5);
}

.bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: calc(4px / 2);
  background: #333;
  color: inherit;
  opacity: 1;
  transition: none 0.35s cubic-bezier(0.5, -0.35, 0.35, 1.5) 0s;
}

/***** Spin Animation *****/

.bar--top {
  bottom: calc(50% + 11px + 4px / 2);
  transition-property: bottom, transform;
  transition-delay: calc(0s + 0.35s), 0s;
}

.bar--middle {
  top: calc(50% - 4px / 2);
  transition-property: opacity;
  transition-delay: calc(0s + 0.35s);
}

.bar--bottom {
  top: calc(50% + 11px + 4px / 2);
  transition-property: top, transform;
  transition-delay: calc(0s + 0.35s), 0s;
}

.toggle.checked .bar--top {
  bottom: calc(50% - 4px / 2);
  transform: rotate(135deg);
  transition-delay: 0s, calc(0s + 0.35s);
}

.toggle.checked .bar--middle {
  opacity: 0;
  transition-duration: 0s;
  transition-delay: calc(0s + 0.35s);
}

.toggle.checked .bar--bottom {
  top: calc(50% - 4px / 2);
  transform: rotate(225deg);
  transition-delay: 0s, calc(0s + 0.35s);
}

/* 导航链接样式 - 确保只有.nav-links存在热区 */
.nav-links li {
  margin-left: 2.5rem;
  padding: 0;
}

.nav-links a {
  color: var(--dark-color);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
  display: inline-block;
}

.nav-links a:after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary-color);
}

.nav-links a:hover:after {
  width: 100%;
}

.nav-links .arrow {
  display: none;
}

/* Banner区样式 */
.banner {
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
    url("../images/banner-bg.jpg") center/cover no-repeat;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: 0;
  position: relative;
  overflow: hidden;
}

.banner:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at center,
    rgba(26, 115, 232, 0.1) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  z-index: 1;
  backdrop-filter: blur(5px);
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.banner-content h1,
.banner-content p,
.banner-content .btn {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 1s ease forwards;
}

.banner-content h1 {
  animation-delay: 0.3s;
}

.banner-content p {
  animation-delay: 0.8s;
}

.banner-content .btn {
  animation-delay: 1.3s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.banner-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  font-weight: 700;
}

.banner-content p {
  font-size: 1rem;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
}

.btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.875rem 2rem;
  text-decoration: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(26, 115, 232, 0.4);
}

.btn:hover {
  background-color: #0d62d0;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(26, 115, 232, 0.5);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--white);
  margin-left: 1rem;
  box-shadow: none;
}

.btn-secondary:hover {
  background-color: var(--white);
  color: var(--primary-color);
  box-shadow: none;
}

/* 通用区块样式 */
.section {
  padding: 60px 0;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section-light {
  background-color: var(--light-color);
}

.section-white {
  background-color: var(--white);
}

.section-title {
  text-align: center;
  font-size: 36px;
  margin-bottom: 4rem;
  color: var(--dark-color);
  font-weight: 700;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

/* 为标题添加下划线 */
.section-title:after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

/* 为关于我们部分的标题添加下划线 */
#about h2:not(.section-title) {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--dark-color);
  font-weight: 700;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

#about h2:not(.section-title):after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 800px;
  margin: 0 auto 5rem;
  line-height: 1.8;
}

/* 产品模块样式 */
.product-grid {
}

.features-intro {
  background: linear-gradient(135deg, #f5f7fa 0%, #e4eaf5 100%);
  border-radius: 16px;
  padding: 3rem;
  margin-bottom: 4rem;
  text-align: center;
}

.features-intro-content h3 {
  font-size: 2rem;
  color: var(--dark-color);
  margin-bottom: 1.5rem;
}

.features-intro-content p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 800px;
  margin: 0 auto 2rem;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #0d62d0;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(26, 115, 232, 0.5);
}

.text-center {
  text-align: center;
}

.mt-6 {
  margin-top: 2rem;
}

.product-card {
  background-color: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  height: 100%;
  position: relative;
  margin-bottom: 2rem;
  transform: translateY(0);
}

.product-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.product-card:hover .product-content h3:after {
  width: 100%;
}

.product-image {
  background-size: cover;
  background-position: center;
  transition: all 0.5s ease;
  width: 40%;
  position: relative;
  overflow: hidden;
  img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  &::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    pointer-events: none;
    transition: background-color 0.3s ease;
  }
}

.product-content {
  padding: 2rem;
  position: relative;
  z-index: 2;
}

.product-content h3 {
  font-size: 1.4rem;
  margin-bottom: 1.4rem;
  color: var(--dark-color);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
}

.product-content h3:after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.product-card:hover .product-content h3 {
  /* color: var(--primary-color); */
}

.product-content p {
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  transition: all 0.3s ease;
}

.product-card:hover .product-content p {
  color: var(--dark-color);
}

.product-content ul {
  padding-left: 0;
  margin-top: 1rem;
}

.product-content ul li {
  margin-bottom: 0.4rem;
  position: relative;
  line-height: 1.6;
  list-style: none;
  font-size: 14px;
  color: rgba(0, 0, 0, 0.45);
}

.product-link {
  display: inline-flex;
  align-items: center;
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.product-link i {
  margin-left: 0.5rem;
  transition: var(--transition);
}

.product-link:hover {
  color: #0d62d0;
}

.product-link:hover i {
  transform: translateX(5px);
}

/* 关于我们模块圆形动画 */
.background-circles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.3;
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* 上下浮动动画 */
@keyframes float-up-down {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0px);
  }
}

/* 左右浮动动画 */
@keyframes float-left-right {
  0% {
    transform: translateX(0px) rotate(0deg);
  }
  50% {
    transform: translateX(30px) rotate(5deg);
  }
  100% {
    transform: translateX(0px) rotate(0deg);
  }
}

/* 反向对角线浮动动画 */
@keyframes float-diagonal-reverse {
  0% {
    transform: translate(0px, 0px);
  }
  50% {
    transform: translate(-20px, 15px);
  }
  100% {
    transform: translate(0px, 0px);
  }
}

.circle-1 {
  width: 200px;
  height: 200px;
  background-color: #fff;
  top: 10%;
  left: 5%;
  animation: float-up-down 5s ease-in-out 0s infinite;
}

.circle-2 {
  width: 150px;
  height: 150px;
  background-color: #36cfc9;
  top: 60%;
  right: 10%;
  animation: float-left-right 7s ease-in-out 1s infinite;
}

.circle-3 {
  width: 100px;
  height: 100px;
  background-color: #722ed1;
  bottom: 15%;
  left: 20%;
  animation: float-diagonal-reverse 6s ease-in-out 2s infinite;
}

/* 收费标准部分样式 */
#pricing {
  padding: 60px 0 100px;
  background-size: cover;
  background-position: center;
  color: white;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #165dff 0%, #0f48cc 100%);
}
#pricing h2 {
  margin-bottom: 80px;
  color: white;
}
#pricing:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at center,
    rgba(26, 115, 232, 0.1) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  z-index: 1;
  /* backdrop-filter: blur(5px); */
}

#pricing .container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.pricing-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.other-products {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  padding: 12px;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  backdrop-filter: blur(10px);
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.other-products .main-product {
  position: absolute;
  top: -40px;
  left: calc(16% + 12px);

  right: 32%;
  background: linear-gradient(135deg, #fff 0%, #f1f1f1 100%);
  bottom: -40px;
  color: #333;
  border-radius: 1rem;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.main-product .feature-item {
  height: 60px;
  line-height: 60px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  text-align: center;
}
.main-product .feature-item:first-child {
  height: 112px;
  line-height: 112px;
  font-size: 26px;
  font-weight: bold;
  color: var(--primary-color);
}

.main-product .feature-item:last-child {
  border: none;
  font-size: 30px;
  color: var(--primary-color);
  font-weight: bold;
  padding-top: 10px;
}

.main-product .annual-price {
  font-size: 20px;
  color: #666;
  line-height: 1;
}

.other-product-grid {
}

.other-products h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.product-item {
  /* background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    align-items: center; */
  height: 60px;
  line-height: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  &:last-child {
    border-bottom: none;
  }
}

.product-item .icon {
  margin-right: 1rem;
  font-size: 1.6rem;
  min-width: 16%;
  text-align: center;
}

.product-item .icon .iconfont {
  font-size: 1.5rem;
}

.product-item .price {
  font-size: 1rem;
  min-width: 30%;
  text-align: center;
}

.product-item .total-price {
  font-size: 1rem;
  font-weight: 700;
}

/* 关于我们部分样式 */
#about {
  padding: 60px 0;
  background: white;
  position: relative;
  overflow: hidden;
}

#about .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

#about h2 {
  color: var(--dark-color);
}

#about .company-intro {
  background: rgba(0, 0, 0, 0.03);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

#about .company-intro p {
  font-size: 16px;
  line-height: 1.8;
  color: #666;
  margin-bottom: 20px;
  &:last-child {
    margin-bottom: 0;
  }
}

#about .mission-vision {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  margin-bottom: 50px;
}

#about .value-card {
  flex: 1;
  min-width: 250px;
  background: white;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  border: 1px solid #e5e7eb;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

#about .value-card h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--dark-color);
}

#about .value-card p {
  font-size: 18px;
  color: #666;
}

#about .vision-card p {
  font-size: 16px;
  line-height: 1.6;
}

#about .contact-info {
  display: flex;
  justify-content: center;
  margin-top: 50px;
  flex-wrap: wrap;
}

#about .contact-details {
  flex: 1;
  min-width: 280px;
}

#about .contact-details h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--dark-color);
}

#about .contact-details ul {
  list-style: none;
  padding: 0;
}

#about .contact-details li {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  padding: 10px 0;
}

#about .contact-details i {
  color: var(--primary-color);
  margin-right: 15px;
  font-size: 20px;
}

#about .contact-details span {
  color: #333;
}

#about .wechat-qrcode {
  flex: 0 0 180px;
  text-align: center;
}

#about .wechat-qrcode h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--dark-color);
}

#about .qrcode-container {
  display: inline-block;
  background: white;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
}

#about .qrcode-container img {
  width: 180px;
  height: 180px;
  display: block;
}

/* 工作机会板块样式 */
#join {
  background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
  position: relative;
  overflow: hidden;
  padding: 60px 0;
}

#join::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at 10% 20%,
    rgba(26, 115, 232, 0.05) 0%,
    rgba(26, 115, 232, 0) 50%
  );
  z-index: 0;
}

#join .container {
  position: relative;
  z-index: 1;
}

#join .section-subtitle {
  max-width: 800px;
  text-align: left;
  padding: 40px;
  background-color: white;
  border-radius: 16px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.03);
  margin-bottom: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.8);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#join .section-subtitle:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

#join .section-subtitle p {
  margin-bottom: 20px;
  line-height: 1.8;
  color: #4b5563;
  font-size: 1.05rem;
}

#join .section-subtitle ul {
  padding-left: 0;
  margin: 25px 0;
}

#join .section-subtitle ul li {
  position: relative;
  padding-left: 32px;
  font-size: 16px;
  margin-bottom: 18px;
  list-style: none;
  line-height: 1.6;
  color: #4b5563;
  transition: transform 0.2s ease;
}

#join .section-subtitle ul li:hover {
  transform: translateX(5px);
}

#join .section-subtitle ul li:before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 20px;
  height: 20px;
  background-color: rgba(26, 115, 232, 0.1);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#join .section-subtitle ul li:after {
  content: "✓";
  position: absolute;
  left: 5px;
  top: 6px;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 14px;
}

#join .section-subtitle p:last-child {
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 30px;
  display: inline-block;
  padding: 12px 24px;
  background-color: rgba(26, 115, 232, 0.1);
  border-radius: 8px;
  transition: all 0.3s ease;
  text-decoration: none;
}

#join .section-subtitle p:last-child:hover {
  background-color: rgba(26, 115, 232, 0.2);
  transform: translateY(-2px);
}

/* 添加装饰元素 */
#join .background-image {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background-image: url("../images/join-bg.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.03;
  border-radius: 50%;
  z-index: 0;
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
  100% {
    transform: translateY(0px) rotate(0deg);
  }
}

/* 响应式调整 */
@media (max-width: 768px) {
  #join {
    padding: 60px 0;
  }

  #join .section-subtitle {
    padding: 25px;
  }

  #join .background-image {
    width: 300px;
    height: 300px;
    top: -15%;
    right: -15%;
  }
}

#join .section-subtitle {
  padding: 20px;
}

#join .section-subtitle p {
  font-size: 1rem;
}

/* @media (max-width: 480px) {
  #join .section-title {
    font-size: 1.8rem;
  }


} */

/* 添加一些装饰元素 */
#join .background-image {
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background-image: url("../images/join-bg.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.05;
  border-radius: 50%;
  transform: translate(30%, -30%);
  z-index: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
  #join .section-subtitle {
    padding: 20px;
  }

  #join .background-image {
    width: 200px;
    height: 200px;
  }
}

/* 客户展示样式 */
#customers {
  padding: 60px 0;
  background-image: url("../images/customers-bg.jpg");
  background-size: cover;
  background-position: center;
  position: relative;
}

#customers::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  z-index: 0;
}

#customers .container {
  position: relative;
  z-index: 1;
}

.customer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.customer-card {
  background-color: var(--white);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  width: calc(25% - 2rem);
}

.customer-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.1);
}

.customer-avatar {
  width: 100px;
  height: 100px;
  background-color: rgba(26, 115, 232, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.customer-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.customer-card {
  text-decoration: none;
}

.customer-card h4 {
  font-size: 1.25rem;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.customer-card p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.customer-desc {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 加入我们容器样式 */
.join-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  max-width: 800px;
  margin: 0 auto;
}

/* 加入我们样式 */
.join-apply {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  text-align: center;
  max-width: 90%;
  margin: 2rem auto 0;
}

.join-apply h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--dark-color);
  font-weight: 700;
}

.email {
  font-size: 1.2rem;
  color: var(--primary-color);
  font-weight: 600;
  margin: 1.5rem 0;
}

.note {
  color: var(--text-light);
  font-style: italic;
  margin-top: 1.5rem;
}

/* Footer样式 */
.footer {
  background-color: var(--dark-color);
  color: var(--white);
  padding: 2rem 10% 2rem;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  padding-left: 0;
}

.footer-social a:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.footer-social a i {
  margin-right: 0;
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.footer-bottom a {
  color: var(--primary-color);
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* 知识产权板块样式 */
#intellectual-property {
  padding: 0 0 40px;
  background-color: var(--light-color);
}

.ip-carousel-container {
  position: relative;
  overflow: hidden;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px 20px;
}

.ip-carousel-track {
  display: flex;
}

.ip-card {
  flex: 0 0 280px;
  margin: 0 15px;
  perspective: 1000px;
  height: 380px;
}

.ip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
}

.ip-card:hover .ip-card-inner {
  transform: rotateY(180deg);
}

.ip-card-front,
.ip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  background-color: white;
  border-radius: 12px;
  padding: 0px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.ip-card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px 12px 0 0;
  margin-bottom: 0;
}

.ip-card-front h3,
.ip-card-back h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--dark-color);
}

.ip-card-front p,
.ip-card-back p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 5px;
}

.ip-card-back {
  transform: rotateY(180deg);
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-280px * 3)); /* 滚动3张卡片的宽度 */
  }
}

/* 响应式调整 */
@media (max-width: 768px) {
  .ip-card {
    flex: 0 0 220px;
    height: 320px;
  }
  .ip-carousel-track {
    width: calc(220px * 9);
  }
  @keyframes scroll {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(calc(-220px * 3));
    }
  }
}

@media (max-width: 480px) {
  .ip-card {
    flex: 0 0 180px;
    height: 280px;
  }
  .ip-carousel-track {
    width: calc(180px * 9);
  }
  @keyframes scroll {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(calc(-180px * 3));
    }
  }
}