/* Fonts */
:root {
  --default-font: "Roboto",  system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --heading-font: "Nunito",  sans-serif;
  --nav-font: "Inter",  sans-serif;
}

/* Global Colors - The following color variables are used throughout the website. Updating them here will change the color scheme of the entire website */
:root { 
  --background-color: #ffffff; /* Background color for the entire website, including individual sections */
  --default-color: #212529; /* Default color used for the majority of the text content across the entire website */
  --heading-color: #2d465e; /* Color for headings, subheadings and title throughout the website */
  --accent-color: #5959FB; /* Accent color that represents your brand on the website. It's used for buttons, links, and other elements that need to stand out */
  --surface-color: #ffffff; /* The surface color is used as a background of boxed elements within sections, such as cards, icon boxes, or other elements that require a visual separation from the global background. */
  --contrast-color: #ffffff; /* Contrast color for text, ensuring readability against backgrounds of accent, heading, or default colors. */
  --primary-color: #5959FB;
  --primary-color-rgb: 89, 89, 251;  /* #5959FB 的RGB值 */
  --primary-color-light: #7a7afc;    /* 主色调的亮色版本 */
  --primary-color-dark: #4040fb;     /* 主色调的暗色版本 */
  --accent-color-rgb: 89, 89, 251;
  --btn-hover: #4040fb;
  --link-color: #5959FB;
  --link-hover-color: #4040fb;
}

/* Nav Menu Colors - The following color variables are used specifically for the navigation menu. They are separate from the global colors to allow for more customization options */
:root {
  --nav-color: #212529;  /* The default color of the main navmenu links */
  --nav-hover-color: #0d83fd; /* Applied to main navmenu links when they are hovered over or active */
  --nav-mobile-background-color: #ffffff; /* Used as the background color for mobile navigation menu */
  --nav-dropdown-background-color: #ffffff; /* Used as the background color for dropdown items that appear when hovering over primary navigation items */
  --nav-dropdown-color: #212529; /* Used for navigation links of the dropdown items in the navigation menu. */
  --nav-dropdown-hover-color: #0d83fd; /* Similar to --nav-hover-color, this color is applied to dropdown navigation links when they are hovered over. */
}

/* Color Presets - These classes override global colors when applied to any section or element, providing reuse of the sam color scheme. */

.light-background {
  --background-color: #f3f9ff;
  --surface-color: #ffffff;
}

.dark-background {
  --background-color: #0d83fd;
  --default-color: #ffffff;
  --heading-color: #ffffff;
  --surface-color: #409dfd;
  --contrast-color: #ffffff;
}

/* Smooth scroll */
:root {
  scroll-behavior: smooth;
  overflow-x: hidden; 
  width: 100%;
}

/*--------------------------------------------------------------
# General Styling & Shared Classes
--------------------------------------------------------------*/
body {
  color: var(--default-color);
  background-color: var(--background-color);
  font-family: var(--default-font);
  overflow-x: hidden; /* 添加这行，在根元素控制横向溢出 */
  width: 100%;
  margin: 0;
  padding: 0;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: 0.3s;
}

a:hover {
  color: color-mix(in srgb, var(--accent-color), transparent 25%);
  text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--heading-color);
  font-family: var(--heading-font);
}

/* PHP Email Form Messages
------------------------------*/
.php-email-form .error-message {
  display: none;
  background: #df1529;
  color: #ffffff;
  text-align: left;
  padding: 15px;
  margin-bottom: 24px;
  font-weight: 600;
}

.php-email-form .sent-message {
  display: none;
  color: #ffffff;
  background: #059652;
  text-align: center;
  padding: 15px;
  margin-bottom: 24px;
  font-weight: 600;
}

.php-email-form .loading {
  display: none;
  background: var(--surface-color);
  text-align: center;
  padding: 15px;
  margin-bottom: 24px;
}

.php-email-form .loading:before {
  content: "";
  display: inline-block;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  margin: 0 10px -6px 0;
  border: 3px solid var(--accent-color);
  border-top-color: var(--surface-color);
  animation: php-email-form-loading 1s linear infinite;
}

@keyframes php-email-form-loading {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/*--------------------------------------------------------------
# Global Header
--------------------------------------------------------------*/
.header {
  --background-color: rgba(255, 255, 255, 0);
  color: var(--default-color);
  background-color: var(--background-color);
  padding: 20px 0;
  transition: all 0.5s;
  z-index: 997;
}

.header .header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 25px;
  position: relative;
}

.scrolled .header .header-container {
  background: color-mix(in srgb, var(--surface-color), transparent 5%);
}

.header .logo {
  margin-right: 20px;
}

.header .logo img {
  max-height: 36px;
  margin-right: 8px;
}

.header .logo h1 {
  font-size: 24px;
  margin: 0;
  font-weight: 500;
  color: var(--heading-color);
}

.header .btn-getstarted,
.header .btn-getstarted:focus {
  color: var(--contrast-color);
  background: var(--accent-color);
  font-size: 14px;
  padding: 8px 20px;
  margin: 0 0 0 30px;
  border-radius: 50px;
  transition: 0.3s;
}

.header .btn-getstarted:hover,
.header .btn-getstarted:focus:hover {
  color: var(--contrast-color);
  background: color-mix(in srgb, var(--accent-color), transparent 15%);
}

@media (max-width: 800px) {
  .header {
    padding: 15px 0;
  }

  .header .header-container {
    padding: 0 25px;
  }

  .header .logo {
    margin-right: 20px;
  }

  .header .btn-getstarted {
    display: none;
  }
}

/*--------------------------------------------------------------
# Navigation Menu
--------------------------------------------------------------*/
/* Navmenu - Desktop */
@media (min-width: 800px) {
  .navmenu {
    flex: 1; /* 让导航菜单占据可用空间 */
    display: flex;
    justify-content: center; /* 导航菜单居中 */
  }

  .navmenu ul {
    display: flex;
    margin: 0;
    padding: 0;
    list-style: none;
    align-items: center;
  }

  .navmenu li {
    position: relative;
  }

  .navmenu a,
  .navmenu a:focus {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0 10px 30px;
    font-family: var(--heading-font);
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
    white-space: nowrap;
    transition: 0.3s;
  }

  .navmenu a i,
  .navmenu a:focus i {
    font-size: 12px;
    line-height: 0;
    margin-left: 5px;
    transition: 0.3s;
  }

  .navmenu li:last-child a {
    padding-right: 0;
  }

  .navmenu li:hover>a,
  .navmenu .active,
  .navmenu .active:focus {
    color: var(--primary-color);
  }

  .navmenu .dropdown ul {
    margin: 0;
    padding: 10px 0;
    background: var(--nav-dropdown-background-color);
    display: block;
    position: absolute;
    visibility: hidden;
    left: 14px;
    top: 130%;
    opacity: 0;
    transition: 0.3s;
    border-radius: 4px;
    z-index: 99;
    box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.1);
  }

  .navmenu .dropdown ul li {
    min-width: 200px;
  }

  .navmenu .dropdown ul a {
    padding: 10px 20px;
    font-size: 15px;
    text-transform: none;
    color: var(--nav-dropdown-color);
  }

  .navmenu .dropdown ul a i {
    font-size: 12px;
  }

  .navmenu .dropdown ul a:hover,
  .navmenu .dropdown ul .active:hover,
  .navmenu .dropdown ul li:hover>a {
    color: var(--nav-dropdown-hover-color);
  }

  .navmenu .dropdown:hover>ul {
    opacity: 1;
    top: 100%;
    visibility: visible;
  }

  .navmenu .dropdown .dropdown ul {
    top: 0;
    left: -90%;
    visibility: hidden;
  }

  .navmenu .dropdown .dropdown:hover>ul {
    opacity: 1;
    top: 0;
    left: -100%;
    visibility: visible;
  }
}

/* 修复移动端菜单问题 */
@media (max-width: 799px) {
  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--nav-mobile-background-color);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    z-index: 9997;
  }
  
  .header .header-container {
    padding: 0 15px !important; /* 强制缩小内边距 */
    max-width: 100%;
  }
  
  .mobile-nav-toggle {
    order: 3; /* 确保菜单按钮在最右侧 */
    margin-left: auto; /* 自动左外边距将其推到右侧 */
    padding: 10px !important;
  }
  
  .navmenu {
    width: 85%; /* 稍微缩小菜单宽度 */
    right: -100%;
    transition: right 0.3s ease;
  }
  
  .mobile-nav-active .navmenu {
    right: 0;
  }
  
  /* 防止内容在菜单打开时滚动 */
  .mobile-nav-active {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
  }
}

/* 优化移动端触摸体验 */
@media (max-width: 799px) {
  a, button, .navmenu li {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    min-height: 44px; /* 确保触摸目标足够大 */
  }
  
  /* 防止iOS上的点击延迟 */
  html {
    touch-action: manipulation;
  }
  
  /* 修复iOS上的滚动问题 */
  .mobile-nav-active body {
    position: fixed;
    width: 100%;
  }
}

/* 修复hero部分的移动端布局 */
@media (max-width: 768px) {
  .hero {
    padding-top: 120px; /* 为固定导航栏留出空间 */
  }
  
  .hero .hero-content {
    padding-right: 0;
    text-align: center;
  }
  
  .hero .hero-image {
    margin-top: 30px;
  }
  
  .hero .customers-badge {
    position: static;
    margin: 20px auto 0;
    max-width: 100%;
  }
}

/* 修复footer的移动端布局 */
@media (max-width: 768px) {
  .footer {
    padding: 40px 0 20px;
  }
  
  .footer .row > div {
    margin-bottom: 30px;
    text-align: center;
  }
  
  .footer-info {
    padding-right: 0;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .footer-links ul {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

/* Navmenu - Mobile */
@media (max-width: 799px) {
  /* 在移动视图中重新排列元素 */
  .header .logo {
    flex: 1; /* Logo占据可用空间 */
  }
  
  .navmenu {
    order: 3; /* 将导航菜单移到最后 */
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100%;
    z-index: 9998;
  }
  
  .language-selector {
    order: 1; /* 语言选择器在移动视图中仍保持在右侧 */
    margin-left: auto;
    margin-right: 15px;
  }
  
  .mobile-nav-toggle {
    order: 2; /* 菜单按钮放在最右侧 */
  }

  /* 重新设计激活状态样式 */
  .mobile-nav-active .mobile-nav-toggle {
    color: #fff;
    background-color: var(--primary-color);
    padding: 8px;
    border-radius: 50%;
  }
  
  /* 优化导航菜单容器样式 */
  .header .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    position: relative;
  }
  
  /* 修改 Logo 区域样式 */
  .header .logo {
    flex: 1;
    margin-right: 15px;
  }
  
  /* 语言选择器位置调整 */
  .language-selector {
    margin-right: 15px;
  }
  
  /* 移动导航菜单样式调整 */
  .navmenu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100%;
    transition: right 0.3s ease-in-out;
    z-index: 9998; /* 低于按钮的z-index */
    background-color: white;
    overflow-y: auto;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    padding-top: 60px; /* 为顶部菜单按钮留出空间 */
  }
  
  /* 激活状态菜单 */
  .mobile-nav-active .navmenu {
    right: 0;
  }

  .navmenu ul {
    display: block;
    margin: 0;
    padding: 0;
    list-style: none;
    margin-top: 80px;
    padding: 30px;
  }

  .navmenu a,
  .navmenu a:focus {
    color: var(--nav-dropdown-color);
    padding: 10px 20px;
    font-family: var(--nav-font);
    font-size: 17px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    white-space: nowrap;
    transition: 0.3s;
  }

  .navmenu a i,
  .navmenu a:focus i {
    font-size: 12px;
    line-height: 0;
    margin-left: 5px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: 0.3s;
    background-color: color-mix(in srgb, var(--accent-color), transparent 90%);
  }

  .navmenu a i:hover,
  .navmenu a:focus i:hover {
    background-color: var(--accent-color);
    color: var(--contrast-color);
  }

  .navmenu a:hover,
  .navmenu .active,
  .navmenu .active:focus {
    color: var(--nav-dropdown-hover-color);
  }

  .navmenu .active i,
  .navmenu .active:focus i {
    background-color: var(--accent-color);
    color: var(--contrast-color);
    transform: rotate(180deg);
  }

  .navmenu .dropdown ul {
    position: static;
    display: none;
    z-index: 99;
    padding: 10px 0;
    margin: 10px 20px;
    background-color: var(--nav-dropdown-background-color);
    border: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
    box-shadow: none;
    transition: all 0.5s ease-in-out;
  }

  .navmenu .dropdown ul ul {
    background-color: rgba(33, 37, 41, 0.1);
  }

  .navmenu .dropdown>.dropdown-active {
    display: block;
    background-color: rgba(33, 37, 41, 0.03);
  }

  .mobile-nav-active {
    overflow: hidden;
  }

  .mobile-nav-active .mobile-nav-toggle {
    position: fixed;
    visibility: visible;
    color: #fff;
    background-color: var(--primary-color);
    padding: 8px;
    border-radius: 50%;
    right: 20px;
  }

  .mobile-nav-active .navmenu {
    right: 0;
  }

  .mobile-nav-active .navmenu>ul {
    opacity: 1;
    transform: translateY(0);
  }

  /* 添加菜单过渡动画 */
  .navmenu {
    transition: right 0.3s ease-in-out;
  }

  /* 菜单项淡入动画 */
  @media (max-width: 799px) {
    .navmenu ul li {
      opacity: 0;
      transform: translateY(20px);
      transition: all 0.3s ease;
    }
    
    .mobile-nav-active .navmenu ul li {
      opacity: 1;
      transform: translateY(0);
    }
    
    /* 为每个菜单项添加延迟，创建连续动画效果 */
    .mobile-nav-active .navmenu ul li:nth-child(1) {
      transition-delay: 0.1s;
    }
    .mobile-nav-active .navmenu ul li:nth-child(2) {
      transition-delay: 0.2s;
    }
    .mobile-nav-active .navmenu ul li:nth-child(3) {
      transition-delay: 0.3s;
    }
    .mobile-nav-active .navmenu ul li:nth-child(4) {
      transition-delay: 0.4s;
    }
  }
}

/*--------------------------------------------------------------
# Global Footer
--------------------------------------------------------------*/
.footer {
  background: var(--surface-color);
  padding: 60px 0 30px;
  color: var(--text-color);
  border-top: 1px solid rgba(var(--primary-color-rgb), 0.1);
}

/* Logo 样式 */
.footer .logo {
  text-decoration: none;
  margin-bottom: 25px;
}

.footer .logo span {
  font-size: 28px;
  font-weight: 700;
  color: var(--heading-color);
}

/* 公司简介部分 */
.footer-info {
  padding-right: 40px;
}

.footer-info p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 25px;
  color: var(--text-color);
}

/* 社交媒体链接 */
.social-links {
  gap: 12px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(var(--primary-color-rgb), 0.1);
  color: var(--primary-color);
  transition: all 0.3s ease;
}

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

.social-links i {
  font-size: 18px;
}

/* 快速链接部分 */
.footer-links {
  padding-left: 20px;
}

.footer-links h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--heading-color);
  margin-bottom: 20px;
  position: relative;
}

.footer-links ul {
  padding: 0;
  list-style: none;
}

.footer-links ul li {
  padding: 5px 0;
}

.footer-links a {
  color: var(--text-color);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

/* 版权信息部分 */
.copyright {
  text-align: center;
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid rgba(var(--primary-color-rgb), 0.1);
}

.copyright p {
  font-size: 13px;
  color: var(--text-color);
  opacity: 0.8;
  margin: 5px 0;
}

.copyright span {
  margin: 0 10px;
}

.footer .copyright a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer .copyright a:hover {
  color: var(--primary-color);
}

.footer .copyright img {
  height: 16px;
  width: auto;
}

/* 响应式优化 */
@media (max-width: 991px) {
  .footer {
    padding: 50px 0 20px;
  }

  .footer-info {
    padding-right: 0;
    text-align: center;
    margin-bottom: 40px;
  }

  .footer-info .logo {
    justify-content: center;
  }

  .social-links {
    justify-content: center;
  }

  .footer-links {
    padding-left: 0;
    text-align: center;
    margin-bottom: 30px;
  }

  .footer-links ul {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 768px) {
  .copyright span {
    display: block;
    margin: 5px 0;
  }
}

/* 统一间距和对齐 */
.footer .row > div {
  margin-bottom: 30px;
}

.footer .row > div:last-child {
  margin-bottom: 0;
}

/* 添加hover效果 */
.footer a {
  transition: all 0.3s ease;
}

.footer a:hover {
  opacity: 0.9;
}

/* 优化分隔线 */
.footer hr {
  margin: 30px 0;
  border-color: rgba(var(--primary-color-rgb), 0.1);
}

/* 装饰性背景元素 */
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(var(--primary-color-rgb), 0.03) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -50%);
}

.footer::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(var(--primary-color-rgb), 0.05) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-30%, 50%);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .footer {
    padding: 60px 0 30px;
  }

  .footer-links {
    margin-top: 40px;
  }

  .footer .logo span {
    font-size: 28px;
  }

  .footer::before,
  .footer::after {
    width: 200px;
    height: 200px;
  }
}

/* 添加悬浮效果 */
.footer .footer-info,
.footer .footer-links {
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.footer .footer-info:hover,
.footer .footer-links:hover {
  transform: translateY(-5px);
}

/*--------------------------------------------------------------
# Scroll Top Button
--------------------------------------------------------------*/
.scroll-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 15px;
  bottom: -15px;
  z-index: 99999;
  background-color: var(--accent-color);
  width: 44px;
  height: 44px;
  border-radius: 50px;
  transition: all 0.4s;
}

.scroll-top i {
  font-size: 24px;
  color: var(--contrast-color);
  line-height: 0;
}

.scroll-top:hover {
  background-color: color-mix(in srgb, var(--accent-color), transparent 20%);
  color: var(--contrast-color);
}

.scroll-top.active {
  visibility: visible;
  opacity: 1;
  bottom: 15px;
}

/*--------------------------------------------------------------
# Disable aos animation delay on mobile devices
--------------------------------------------------------------*/
@media screen and (max-width: 768px) {
  [data-aos-delay] {
    transition-delay: 0 !important;
  }
}

/*--------------------------------------------------------------
# Global Page Titles & Breadcrumbs
--------------------------------------------------------------*/
.page-title {
  color: var(--default-color);
  background-color: var(--background-color);
  padding: 170px 0 80px 0;
  text-align: center;
  position: relative;
}

.page-title h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-title .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  justify-content: center;
  padding: 0;
  margin: 0;
  font-size: 16px;
  font-weight: 400;
}

.page-title .breadcrumbs ol li+li {
  padding-left: 10px;
}

.page-title .breadcrumbs ol li+li::before {
  content: "/";
  display: inline-block;
  padding-right: 10px;
  color: color-mix(in srgb, var(--default-color), transparent 70%);
}

/*--------------------------------------------------------------
# Global Sections
--------------------------------------------------------------*/
section,
.section {
  color: var(--default-color);
  background-color: var(--background-color);
  padding: 60px 0;
  scroll-margin-top: 90px;
  overflow: clip;
}

@media (max-width: 1199px) {

  section,
  .section {
    scroll-margin-top: 66px;
  }
}

/*--------------------------------------------------------------
# Global Section Titles
--------------------------------------------------------------*/
.section-title {
  text-align: center;
  padding-bottom: 60px;
  position: relative;
}

.section-title h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 20px;
  position: relative;
  color: var(--heading-color);
}

.section-title h2:after {
  content: "";
  position: absolute;
  display: block;
  width: 50px;
  height: 3px;
  background: var(--primary-color);
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}

.section-title p {
  margin-bottom: 0;
  color: var(--text-color);
}

/*--------------------------------------------------------------
# Hero Section
--------------------------------------------------------------*/
.hero {
  position: relative;
  padding-top: 160px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-color), transparent 95%) 50%, color-mix(in srgb, var(--accent-color), transparent 98%) 25%, transparent 50%);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 90% 10%, color-mix(in srgb, var(--accent-color), transparent 92%), transparent 40%);
  pointer-events: none;
}

/* Hero 文字样式优化 */
.hero-content {
  padding-right: 20px;
  margin-bottom: 30px;
}

/* 主标题样式统一 */
.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800; /* 使用更粗的字重 */
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em; /* 稍微调整字间距 */
  text-transform: uppercase; /* 转换为大写，显得更有气势 */
}

.hero-title:nth-child(2) {
  margin-bottom: 24px;
}

/* 强调文字样式 */
.hero-title .highlight {
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: rgba(var(--color-primary-rgb), 0.2);
  z-index: -1;
  border-radius: 4px;
}

/* 副标题样式 */
.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-secondary);
  margin: 0 0 20px 0;
  letter-spacing: 0.2px;
  line-height: 1.4;
}

/* 描述文字样式 */
.hero-description {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 32px;
  max-width: 95%;
}

/* 响应式调整 */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
}

.hero .brand-text {
  font-weight: 900;
  color: var(--primary-color);
  font-size: 3.5rem;
  letter-spacing: -0.02em;
  display: inline-block;
  position: relative;
}

.hero .accent-text {
  font-size: 2.4rem;
  color: var(--primary-color);
  font-weight: 700;
  display: block;
  margin-top: 0.5rem;
}

@media (max-width: 768px) {
 
  
  .hero .brand-text {
    font-size: 2.8rem;
  }
  
  .hero .accent-text {
    font-size: 2rem;
  }
}

.hero .company-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background-color: color-mix(in srgb, var(--accent-color), transparent 92%);
  border-radius: 50px;
  color: var(--accent-color);
  font-weight: 500;
}

.hero .company-badge i {
  font-size: 1.25rem;
}

.hero .btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--contrast-color);
  padding: 0.75rem 2.5rem;
  border-radius: 50px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.hero .btn-primary:hover {
  background-color: var(--primary-color-dark);
  border-color: var(--primary-color-dark);
}

.hero .btn-link {
  color: var(--heading-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.hero .btn-link:hover {
  color: var(--accent-color);
}

.hero .btn-link i {
  font-size: 1.5rem;
  vertical-align: middle;
}

.hero .hero-image {
  position: relative;
  text-align: center;
  z-index: 1;
}

.hero .hero-image img {
  max-width: 100%;
  height: 100%;
}

.hero .customers-badge {
  position: absolute;
  bottom: 10px;
  right: 30px;
  background-color: var(--surface-color);
  padding: 1rem;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  max-width: 300px;
  animation: float-badge 3s ease-in-out infinite;
  will-change: transform;
}

.hero .customers-badge .customer-avatars {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.hero .customers-badge .avatar {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  border: 2px solid var(--surface-color);
  margin-left: -8px;
}

.hero .customers-badge .avatar:first-child {
  margin-left: 0;
}

.hero .customers-badge .avatar.more {
  background-color: var(--accent-color);
  color: var(--contrast-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}

.hero .customers-badge p {
  font-size: 0.875rem;
  color: color-mix(in srgb, var(--default-color), transparent 40%);
}

@media (max-width: 992px) {
  .hero .customers-badge {
    position: static;
    margin: 1rem auto;
    max-width: 250px;
  }
}

.hero .stats-row {
  position: relative;
  z-index: 1;
  margin-top: 5rem;
  background-color: var(--surface-color);
  border-radius: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  padding-bottom: 2rem;
}

.hero .stat-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
}

.hero .stat-item .stat-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: color-mix(in srgb, var(--accent-color), transparent 92%);
  border-radius: 50px;
  transition: 0.3s;
}

.hero .stat-item .stat-icon i {
  font-size: 1.5rem;
  color: var(--accent-color);
}

.hero .stat-item:hover .stat-icon {
  background-color: var(--accent-color);
}

.hero .stat-item:hover .stat-icon i {
  color: var(--contrast-color);
}

.hero .stat-item .stat-content {
  flex-grow: 1;
}

.hero .stat-item .stat-content h4 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.hero .stat-item .stat-content p {
  font-size: 0.875rem;
  color: color-mix(in srgb, var(--default-color), transparent 40%);
  margin: 0;
}

@media (max-width: 575px) {
  .hero .stat-item {
    padding: 1.5rem;
  }
}

@keyframes float-badge {
  0% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }

  100% {
    transform: translateY(0);
  }
}

/*--------------------------------------------------------------
# About Section
--------------------------------------------------------------*/
.about {
  padding: 60px 0;
  position: relative;
  background-color: var(--background-color);
  color: var(--default-color);
}

.about .about-meta {
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 1rem;
  display: inline-block;
}

.about .about-title {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  line-height: 1.2;
  font-weight: 700;
}

@media (max-width: 992px) {
  .about .about-title {
    font-size: 2rem;
  }
}

.about .about-description {
  margin-bottom: 2rem;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
}

.about .feature-list-wrapper {
  margin-bottom: 40px;
}

.about .feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about .feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 20px;
  margin-bottom: 15px;
  background: var(--surface-color);
  border-radius: 16px;
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(var(--primary-color-rgb), 0.05);
}

.about .feature-list li:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(var(--primary-color-rgb), 0.1);
}

.about .feature-list i {
  font-size: 24px;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-top: 5px;
}

.about .feature-list .feature-content {
  flex: 1;
}

.about .feature-list .feature-title {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: var(--heading-color);
  margin-bottom: 8px;
}

.about .feature-list p {
  margin: 0;
  color: var(--text-color);
  font-size: 14px;
  line-height: 1.6;
}

.about .profile .profile-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.about .profile .profile-name {
  font-size: 1.125rem;
  margin: 0;
}

.about .profile .profile-position {
  color: var(--accent-color);
  margin: 0;
  font-size: 0.875rem;
}

.about .contact-info {
  padding: 1rem 1.5rem;
  background-color: var(--surface-color);
  border-radius: 0.5rem;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.06);
}

.about .contact-info i {
  color: var(--accent-color);
  font-size: 1.5rem;
}

.about .contact-info .contact-label {
  color: color-mix(in srgb, var(--default-color), transparent 30%);
  font-size: 0.875rem;
  margin: 0;
}

.about .contact-info .contact-number {
  font-weight: 600;
  margin: 0;
}

.about .image-wrapper {
  position: relative;
}

@media (max-width: 992px) {
  .about .image-wrapper {
    padding-left: 0;
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 992px) {
  .about .image-wrapper .images {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }
}

@media (max-width: 992px) {
  .about .image-wrapper .main-image {
    margin-left: 0;
  }
}

.about .image-wrapper .small-image {
  position: absolute;
  top: 20%;
  left: -10%;
  width: 45%;
  border: 8px solid var(--surface-color);
}

@media (max-width: 992px) {
  .about .image-wrapper .small-image {
    position: static;
    width: 100%;
    margin: 0 auto;
    border: 0;
  }
}

.about .image-wrapper .experience-badge {
  position: absolute;
  bottom: 5%;
  right: 5%;
  background-color: var(--accent-color);
  color: var(--contrast-color);
  padding: 1.5rem;
  border-radius: 0.5rem;
  text-align: center;
  min-width: 200px;
  animation: experience-float 3s ease-in-out infinite;
}

@media (max-width: 992px) {
  .about .image-wrapper .experience-badge {
    position: static;
    width: fit-content;
    margin: 0 auto;
  }
}

.about .image-wrapper .experience-badge h3 {
  color: var(--contrast-color);
  font-size: 2.5rem;
  margin: 0;
  line-height: 0.5;
}

.about .image-wrapper .experience-badge h3 span {
  font-size: 1rem;
  display: inline-block;
  margin-left: 0.25rem;
}

.about .image-wrapper .experience-badge p {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
}

@keyframes experience-float {
  0% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }

  100% {
    transform: translateY(0);
  }
}

/*--------------------------------------------------------------
# Features Section
--------------------------------------------------------------*/
.features .nav-tabs {
  border: 0;
  background-color: color-mix(in srgb, var(--default-color), transparent 96%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50px;
  padding: 6px;
  width: auto;
}

.features .nav-item {
  margin: 0;
  padding: 0 5px 0 0;
}

.features .nav-item:last-child {
  padding-right: 0;
}

.features .nav-link {
  background-color: none;
  color: var(--heading-color);
  padding: 10px 30px;
  transition: 0.3s;
  border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  height: 100%;
  border: 0;
  margin: 0;
}

@media (max-width: 468px) {
  .features .nav-link {
    padding: 8px 20px;
  }
}

.features .nav-link i {
  padding-right: 15px;
  font-size: 48px;
}

.features .nav-link h4 {
  font-size: 14px;
  font-weight: 500;
  margin: 0;
}

.features .nav-link:hover {
  border-color: color-mix(in srgb, var(--default-color), transparent 80%);
}

.features .nav-link:hover h4 {
  color: var(--accent-color);
}

.features .nav-link.active {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

.features .nav-link.active h4 {
  color: var(--contrast-color);
}

.features .tab-content {
  margin-top: 30px;
}

.features .tab-pane h3 {
  color: var(--heading-color);
  font-weight: 700;
  font-size: 32px;
  position: relative;
  margin-bottom: 20px;
  padding-bottom: 20px;
}

.features .tab-pane h3:after {
  content: "";
  position: absolute;
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent-color);
  left: 0;
  bottom: 0;
}

.features .tab-pane ul {
  list-style: none;
  padding: 0;
}

.features .tab-pane ul li {
  padding-top: 10px;
}

.features .tab-pane ul i {
  font-size: 20px;
  padding-right: 4px;
  color: var(--accent-color);
}

.features .tab-pane p:last-child {
  margin-bottom: 0;
}

/*--------------------------------------------------------------
# Features Cards Section
--------------------------------------------------------------*/
.features-cards {
  background: linear-gradient(135deg, #f8faff 0%, #f3f6ff 100%);
  --default-color: #555;
  --heading-color: #333;
}

.features-cards .feature-box {
  height: 100%;
  padding: 40px 30px;
  border-radius: 10px;
}

.features-cards .feature-box i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
  transition: all 0.3s ease;
}

.features-cards .feature-box h4 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px 0;
}

.features-cards .feature-box p {
  font-size: 15px;
  margin-bottom: 0;
}

.features-cards .feature-box.orange {
  background: linear-gradient(180deg, rgba(237, 184, 110, 0.1) 0%, rgba(237, 184, 110, 0) 100%);
  border-color: rgba(237, 184, 110, 0.3);
}

.features-cards .feature-box.orange i {
  color: #edb86e;
}

.features-cards .feature-box.orange:hover {
  background: rgba(237, 184, 110, 0.2);
}

.features-cards .feature-box.blue {
  background: linear-gradient(180deg, rgba(32, 165, 248, 0.1) 0%, rgba(32, 165, 248, 0) 100%);
  border-color: rgba(32, 165, 248, 0.3);
}

.features-cards .feature-box.blue i {
  color: #20a5f8;
}

.features-cards .feature-box.blue:hover {
  background: rgba(32, 165, 248, 0.2);
}

.features-cards .feature-box.green {
  background: linear-gradient(180deg, rgba(72, 200, 138, 0.1) 0%, rgba(72, 200, 138, 0) 100%);
  border-color: rgba(72, 200, 138, 0.3);
}

.features-cards .feature-box.green i {
  color: #48c88a;
}

.features-cards .feature-box.green:hover {
  background: rgba(72, 200, 138, 0.2);
}

.features-cards .feature-box.red {
  background: linear-gradient(180deg, rgba(242, 132, 132, 0.1) 0%, rgba(242, 132, 132, 0) 100%);
  border-color: rgba(242, 132, 132, 0.3);
}

.features-cards .feature-box.red i {
  color: #f28484;
}

.features-cards .feature-box.red:hover {
  background: rgba(242, 132, 132, 0.2);
}

.features-cards .feature-box.purple {
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.1) 0%, rgba(139, 92, 246, 0) 100%);
  border-color: rgba(139, 92, 246, 0.3);
}

.features-cards .feature-box.purple i {
  color: #8b5cf6;
}

.features-cards .feature-box.purple:hover {
  background: rgba(139, 92, 246, 0.2);
}

.features-cards .feature-box.teal {
  background: linear-gradient(180deg, rgba(20, 184, 166, 0.1) 0%, rgba(20, 184, 166, 0) 100%);
  border-color: rgba(20, 184, 166, 0.3);
}

.features-cards .feature-box.teal i {
  color: #14b8a6;
}

.features-cards .feature-box.teal:hover {
  background: rgba(20, 184, 166, 0.2);
}

.features-cards .feature-box.yellow {
  background: linear-gradient(180deg, rgba(234, 179, 8, 0.1) 0%, rgba(234, 179, 8, 0) 100%);
  border-color: rgba(234, 179, 8, 0.3);
}

.features-cards .feature-box.yellow i {
  color: #eab308;
}

.features-cards .feature-box.yellow:hover {
  background: rgba(234, 179, 8, 0.2);
}

/*--------------------------------------------------------------
# Features 2 Section
--------------------------------------------------------------*/
.features-2 .feature-item .feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: color-mix(in srgb, var(--accent-color), transparent 92%);
}

.features-2 .feature-item .feature-icon i {
  font-size: 24px;
  color: var(--accent-color);
}

.features-2 .feature-item .feature-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.features-2 .feature-item .feature-content p {
  color: color-mix(in srgb, var(--default-color), transparent 25%);
  font-size: 15px;
  margin-bottom: 0;
}

.features-2 .phone-mockup {
  position: relative;
  padding: 30px 0;
}

.features-2 .phone-mockup img {
  max-width: 300px;
  height: auto;
  filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
}

@media (max-width: 991.98px) {
  .features-2 .feature-item {
    text-align: center !important;
    margin-bottom: 2rem;
  }

  .features-2 .feature-item .d-flex {
    flex-direction: column;
    text-align: center;
    justify-content: center !important;
  }

  .features-2 .phone-mockup {
    margin: 3rem 0;
  }
}

/*--------------------------------------------------------------
# Call To Action Section
--------------------------------------------------------------*/
.call-to-action .container {
  background: var(--accent-color);
  color: var(--contrast-color);
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  padding: 4rem 2rem;
}

.call-to-action .content h2,
.call-to-action .content p {
  color: var(--contrast-color);
  position: relative;
  z-index: 2;
}

.call-to-action .btn-cta {
  background-color: color-mix(in srgb, var(--contrast-color) 15%, transparent);
  color: var(--contrast-color);
  padding: 12px 40px;
  border-radius: 50px;
  transition: all 0.3s ease;
  border: 2px solid var(--contrast-color);
  position: relative;
  z-index: 2;
}

.call-to-action .btn-cta:hover {
  background-color: var(--contrast-color);
  color: var(--accent-color);
}

.call-to-action .shape {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.call-to-action .shape svg {
  width: 100%;
  height: 100%;
}

.call-to-action .shape svg path {
  fill: color-mix(in srgb, var(--contrast-color) 50%, transparent);
}

.call-to-action .shape-1 {
  width: 300px;
  height: 300px;
  top: -100px;
  right: -50px;
  opacity: 0.1;
  transform: rotate(45deg);
  animation: shapes-float 3s ease-in-out infinite;
}

.call-to-action .shape-2 {
  width: 200px;
  height: 200px;
  bottom: -50px;
  left: -50px;
  opacity: 0.15;
  transform: rotate(-15deg);
  animation: shapes-float 4s ease-in-out infinite;
}

.call-to-action .shape-3 {
  width: 150px;
  height: 150px;
  top: 20%;
  right: 15%;
  opacity: 0.08;
  transform: rotate(15deg);
}

.call-to-action .dots {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  color: var(--contrast-color);
}

.call-to-action .dots svg {
  width: 100%;
  height: 100%;
}

.call-to-action .dots-1 {
  width: 200px;
  height: 200px;
  top: -30px;
  left: 10%;
  opacity: 0.1;
  transform: rotate(15deg);
  animation: shapes-float 4s ease-in-out infinite;
}

.call-to-action .dots-2 {
  width: 150px;
  height: 150px;
  bottom: 20px;
  right: 15%;
  opacity: 0.15;
  transform: rotate(-10deg);
}

@keyframes shapes-float {

  0%,
  100% {
    transform: scale(0.8) rotate(45deg) translateY(0);
  }

  50% {
    transform: scale(0.8) rotate(45deg) translateY(-20px);
  }
}

@media (max-width: 992px) {
  .call-to-action .container {
    padding: 3rem 1.5rem;
  }

  .call-to-action .shape-1 {
    width: 200px;
    height: 200px;
  }

  .call-to-action .shape-2 {
    width: 150px;
    height: 150px;
  }

  .call-to-action .shape-3 {
    width: 100px;
    height: 100px;
  }

  .call-to-action .dots-1 {
    width: 150px;
    height: 150px;
  }

  .call-to-action .dots-2 {
    width: 120px;
    height: 120px;
  }

  .call-to-action .dots-3 {
    width: 80px;
    height: 80px;
  }
}

@media (max-width: 575px) {
  .call-to-action .container {
    border-radius: 0;
  }
}

/*--------------------------------------------------------------
# Clients Section
--------------------------------------------------------------*/
.clients .swiper-slide img {
  opacity: 0.5;
  transition: 0.3s;
  filter: grayscale(100);
}

.clients .swiper-slide img:hover {
  filter: none;
  opacity: 1;
}

.clients .swiper-wrapper {
  height: auto;
}

.clients .swiper-pagination {
  margin-top: 20px;
  position: relative;
}

.clients .swiper-pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  opacity: 1;
  background-color: color-mix(in srgb, var(--default-color), transparent 80%);
}

.clients .swiper-pagination .swiper-pagination-bullet-active {
  background-color: var(--accent-color);
}

/*--------------------------------------------------------------
# Testimonials Section
--------------------------------------------------------------*/
.testimonials .testimonial-item {
  background-color: var(--surface-color);
  box-shadow: 0px 2px 30px rgba(0, 0, 0, 0.08);
  padding: 30px;
  position: relative;
  height: 100%;
}

.testimonials .testimonial-item .testimonial-img {
  width: 90px;
  border-radius: 50px;
  border: 6px solid var(--background-color);
  float: left;
  margin: 0 10px 0 0;
}

.testimonials .testimonial-item h3 {
  font-size: 18px;
  font-weight: bold;
  margin: 10px 0 5px 0;
}

.testimonials .testimonial-item h4 {
  font-size: 14px;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  margin: 0;
}

.testimonials .testimonial-item .stars {
  margin: 10px 0;
}

.testimonials .testimonial-item .stars i {
  color: #ffc107;
  margin: 0 1px;
}

.testimonials .testimonial-item .quote-icon-left,
.testimonials .testimonial-item .quote-icon-right {
  color: color-mix(in srgb, var(--accent-color), transparent 50%);
  font-size: 26px;
  line-height: 0;
}

.testimonials .testimonial-item .quote-icon-left {
  display: inline-block;
  left: -5px;
  position: relative;
}

.testimonials .testimonial-item .quote-icon-right {
  display: inline-block;
  right: -5px;
  position: relative;
  top: 10px;
  transform: scale(-1, -1);
}

.testimonials .testimonial-item p {
  font-style: italic;
  margin: 15px 0 0 0;
  padding: 0;
}

/*--------------------------------------------------------------
# Stats Section
--------------------------------------------------------------*/
.stats {
  background: linear-gradient(135deg, #f8faff 0%, #f3f6ff 100%);
  --default-color: #555;
  --heading-color: #333;
}

.stats .stats-item {
  padding: 30px;
  width: 100%;
}

.stats .stats-item span {
  color: var(--heading-color);
  font-size: 48px;
  display: block;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 20px;
  position: relative;
}

.stats .stats-item span:after {
  content: "";
  position: absolute;
  display: block;
  width: 25px;
  height: 3px;
  background: var(--accent-color);
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}

.stats .stats-item p {
  color: color-mix(in srgb, var(--default-color), transparent 40%);
  padding: 0;
  margin: 0;
  font-family: var(--heading-font);
  font-weight: 500;
}

/* Stats Section */
.stats-card {
  background: var(--surface-color);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.05);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stats-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 25px rgba(var(--accent-rgb), 0.1);
}

.stats-content {
  position: relative;
  z-index: 1;
}

.stats-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--heading-color);
  line-height: 1.2;
  margin-bottom: 0.5rem;
  font-family: var(--heading-font);
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
}

.stats-number .purecounter {
  display: inline-block;
}

.stats-number .suffix {
  font-size: 1.8rem;
  color: var(--accent-color);
  display: inline-block;
  margin-left: 2px;
  line-height: 1;
}

.stats-label {
  font-size: 1.1rem;
  color: var(--text-color);
  font-weight: 500;
}

.stats-icon {
  font-size: 2.5rem;
  color: var(--accent-color);
  opacity: 0.8;
  margin-left: 1rem;
}

.stats-icon i {
  background: linear-gradient(45deg, var(--accent-color), rgba(var(--accent-rgb), 0.6));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: linear-gradient(45deg, rgba(var(--accent-rgb), 0.03), rgba(var(--accent-rgb), 0.08));
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.stats-note {
  margin-top: 2rem;
}

.stats-note p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .stats-number {
    font-size: 2rem;
  }
  
  .stats-number .suffix {
    font-size: 1.4rem;
  }
  
  .stats-label {
    font-size: 1rem;
  }
  
  .stats-icon {
    font-size: 2rem;
  }
}

/*--------------------------------------------------------------
# Services Section
--------------------------------------------------------------*/
.services .service-box {
  padding: 40px;
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  background: var(--surface-color);
  box-shadow: 0 0 20px 5px rgba(var(--accent-rgb), 0.05);
  transition: all 0.3s ease-in-out;
  height: 100%;
}

.services .service-box:hover {
  transform: translateY(-10px);
  box-shadow: 0 5px 25px rgba(var(--accent-rgb), 0.1);
}

.services .service-box i {
  font-size: 48px;
  line-height: 1;
  margin-bottom: 20px;
  display: block;
}

.services .service-box h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--heading-color);
}

.services .service-box p {
  color: var(--text-color);
  font-size: 15px;
  margin-bottom: 20px;
  line-height: 1.8;
}

.services .service-box .read-more {
  display: flex;
  align-items: center;
  font-weight: 600;
  font-size: 16px;
  color: var(--accent-color);
}

.services .service-box .read-more i {
  font-size: 18px;
  margin-left: 8px;
  margin-bottom: 0;
}

/* Service box colors */
.services .service-box.blue {
  border-bottom: 4px solid #2db6fa;
}

.services .service-box.blue i {
  color: #2db6fa;
}

.services .service-box.orange {
  border-bottom: 4px solid #f68c09;
}

.services .service-box.orange i {
  color: #f68c09;
}

.services .service-box.green {
  border-bottom: 4px solid #08da4e;
}

.services .service-box.green i {
  color: #08da4e;
}

.services .service-box.red {
  border-bottom: 4px solid #e9222c;
}

.services .service-box.red i {
  color: #e9222c;
}

.services .service-box.purple {
  border-bottom: 4px solid #b50edf;
}

.services .service-box.purple i {
  color: #b50edf;
}

.services .service-box.pink {
  border-bottom: 4px solid #f51f9c;
}

.services .service-box.pink i {
  color: #f51f9c;
}

/* Hover effects */
.services .service-box:hover .read-more {
  color: var(--accent-color-darker);
}

.services .service-box:hover .read-more i {
  transform: translateX(5px);
  transition: transform 0.3s ease;
}

@media (max-width: 768px) {
  .services .service-box {
    padding: 30px;
  }
  
  .services .service-box h3 {
    font-size: 20px;
  }
}

/*--------------------------------------------------------------
# Pricing Section
--------------------------------------------------------------*/
.pricing {
  background-color: var(--background-color);
  padding: 80px 0;
}

.pricing .pricing-item {
  position: relative;
  background: var(--surface-color);
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.4s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pricing .pricing-item.featured {
  background: linear-gradient(145deg, var(--primary-color), var(--primary-color-dark));
  transform: scale(1.05);
}

.pricing .pricing-item.featured * {
  color: var(--contrast-color);
}

.pricing .pricing-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(var(--primary-color-rgb), 0.15);
}

.pricing .pricing-item.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.pricing .pricing-header {
  text-align: center;
  margin-bottom: 30px;
  position: relative;
}

.pricing .pricing-header h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--heading-color);
}

.pricing .pricing-item.featured .pricing-header h3 {
  color: var(--contrast-color);
}

.pricing .pricing-header h4 {
  font-size: 48px;
  font-weight: 800;
  margin: 0;
  color: var(--heading-color);
}

.pricing .pricing-header h4 sup {
  font-size: 24px;
  font-weight: 600;
  margin-right: 5px;
  top: -15px;
}

.pricing .pricing-header h4 span {
  font-size: 16px;
  font-weight: 500;
  margin-left: 5px;
  opacity: 0.8;
}

.pricing ul {
  list-style: none;
  padding: 0;
  margin: 30px 0;
  flex-grow: 1;
}

.pricing ul li {
  padding: 15px 0;
  display: flex;
  align-items: center;
  font-size: 16px;
  color: var(--default-color);
  border-bottom: 1px solid rgba(var(--primary-color-rgb), 0.1);
}

.pricing .pricing-item.featured ul li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing ul li i {
  font-size: 18px;
  margin-right: 10px;
}

.pricing ul li i.bi-check {
  color: #2ecc71;
}

.pricing ul li i.bi-x {
  color: #e74c3c;
}

.pricing .pricing-item.featured ul li i.bi-check {
  color: #fff;
}

.pricing ul li.na {
  opacity: 0.5;
}

.pricing .buy-btn {
  display: inline-block;
  padding: 15px 40px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  background: var(--primary-color);
  color: var(--contrast-color);
  transition: all 0.3s ease;
  width: 100%;
  border: 2px solid transparent;
}

.pricing .pricing-item.featured .buy-btn {
  background: var(--contrast-color);
  color: var(--primary-color);
}

.pricing .buy-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(var(--primary-color-rgb), 0.2);
}

.pricing .pricing-item.featured .buy-btn:hover {
  background: transparent;
  color: var(--contrast-color);
  border-color: var(--contrast-color);
}

/* 添加装饰性元素 */
.pricing .pricing-item::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(var(--primary-color-rgb), 0.1) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(50%, -50%);
}

.pricing .pricing-item.featured::before {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

/* 响应式调整 */
@media (max-width: 991px) {
  .pricing .pricing-item {
    margin-bottom: 30px;
  }
  
  .pricing .pricing-item.featured {
    transform: scale(1);
  }
  
  .pricing .pricing-item.featured:hover {
    transform: translateY(-10px);
  }
}

@media (max-width: 768px) {
  .pricing .pricing-header h4 {
    font-size: 36px;
  }
  
  .pricing .pricing-header h3 {
    font-size: 24px;
  }
  
  .pricing ul li {
    font-size: 15px;
  }
}

/*--------------------------------------------------------------
# Faq Section
--------------------------------------------------------------*/
.faq {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(165deg, #f8faff 0%, #f3f6ff 100%);
}

.faq-item {
  background: var(--surface-color);
  border-radius: 20px;
  margin-bottom: 20px;
  box-shadow: 0 10px 30px rgba(var(--primary-color-rgb), 0.05);
  overflow: hidden;
}

.faq-button {
  width: 100%;
  padding: 30px;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--heading-color);
  font-size: 18px;
  font-weight: 600;
  font-family: var(--heading-font);
}

.faq-button:hover {
  background-color: rgba(var(--primary-color-rgb), 0.02);
}

.faq-button .icon {
  font-size: 24px;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-button .icon {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 30px;
}

.faq-content.active {
  max-height: 1000px; /* 调整此值以适应最长的内容 */
  padding: 0 30px 30px;
}

.faq-content p {
  margin: 0;
  line-height: 1.8;
  color: var(--default-color);
  opacity: 0.8;
}

@media (max-width: 768px) {
  .faq-button {
    padding: 20px;
    font-size: 16px;
  }
  
  .faq-content {
    padding: 0 20px;
  }
  
  .faq-content.active {
    padding: 0 20px 20px;
  }
}

/*--------------------------------------------------------------
# Call To Action 2 Section
--------------------------------------------------------------*/
.call-to-action-2 {
  padding: 80px 0;
  background: linear-gradient(rgba(var(--primary-color-rgb), 0.9), rgba(var(--primary-color-rgb), 0.9)), center center;
  background-size: cover;
  position: relative;
}

.call-to-action-2 h3 {
  color: #fff;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
}

.call-to-action-2 p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 30px;
  border-radius: 50px;
  background: #fff;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: var(--primary-color);
}

.cta-btn i {
  font-size: 24px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .call-to-action-2 {
    padding: 60px 0;
  }

  .call-to-action-2 h3 {
    font-size: 28px;
  }

  .call-to-action-2 p {
    font-size: 15px;
    padding: 0 20px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-btn {
    width: 200px;
    justify-content: center;
  }
}

/*--------------------------------------------------------------
# Contact Section
--------------------------------------------------------------*/
.contact .info-box {
  background-color: var(--accent-color);
  color: var(--contrast-color);
  padding: 3rem;
  border-radius: 1rem;
  height: 100%;
}

.contact .info-box h3 {
  color: var(--contrast-color);
  font-size: 2rem;
  margin-bottom: 1rem;
}

@media (max-width: 767.98px) {
  .contact .info-box h3 {
    font-size: 1.75rem;
  }
}

.contact .info-box p {
  opacity: 0.8;
  margin-bottom: 2rem;
}

.contact .info-box a {
  color: var(--contrast-color);
}

@media (max-width: 992px) {
  .contact .info-box {
    padding: 1.5rem;
  }
}

.contact .info-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact .info-item:last-child {
  margin-bottom: 0;
}

.contact .info-item .icon-box {
  width: 3.5rem;
  height: 3.5rem;
  background-color: color-mix(in srgb, var(--contrast-color), transparent 85%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: 0.3s;
}

.contact .info-item .icon-box i {
  font-size: 1.5rem;
  color: var(--contrast-color);
}

.contact .info-item:hover .icon-box {
  background-color: color-mix(in srgb, var(--contrast-color), transparent 70%);
}

.contact .info-item .content h4 {
  color: #ffffff !important;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.contact .info-item .content p {
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
  color: #ffffff !important;
}

.contact .info-item .content p:last-child {
  margin-bottom: 0;
}

.contact .info-item .content .address-list {
  margin-top: 10px;
}

.contact .info-item .content .address-item {
  margin-bottom: 15px;
}

.contact .info-item .content .address-item:last-child {
  margin-bottom: 0;
}

.contact .info-item .content .address-item h5 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: #ffffff !important;
}

.contact .info-item .content .address-item p {
  font-size: 0.95rem;
  color: #ffffff !important;
  margin-bottom: 0.25rem;
  line-height: 1.4;
}

.contact .contact-form {
  background-color: var(--surface-color);
  padding: 3rem;
  border-radius: 1rem;
  height: 100%;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);
}

@media (max-width: 992px) {
  .contact .contact-form {
    padding: 1.5rem;
  }
}

.contact .contact-form h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .contact .contact-form h3 {
    font-size: 1.75rem;
  }
}

.contact .contact-form p {
  color: color-mix(in srgb, var(--default-color), transparent 25%);
  margin-bottom: 2rem;
}

.contact .contact-form .form-control,
.contact .contact-form .form-select {
  padding: 0.875rem 1.25rem;
  border-color: color-mix(in srgb, var(--default-color), transparent 90%);
  border-radius: 0.5rem;
  background-color: color-mix(in srgb, var(--surface-color) 90%, white 5%);
  color: var(--default-color);
}

.contact .contact-form .form-control:focus,
.contact .contact-form .form-select:focus {
  box-shadow: none;
  border-color: var(--accent-color);
}

.contact .contact-form .form-control::placeholder,
.contact .contact-form .form-select::placeholder {
  color: color-mix(in srgb, var(--default-color), transparent 50%);
}

.contact .contact-form .btn {
  background-color: var(--accent-color);
  color: var(--contrast-color);
  padding: 1rem 2rem;
  border-radius: 2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: 0.3s;
}

.contact .contact-form .btn i {
  font-size: 1.25rem;
}

.contact .contact-form .btn:hover {
  background-color: color-mix(in srgb, var(--accent-color), var(--contrast-color) 20%);
}

/*--------------------------------------------------------------
# Service Details Section
--------------------------------------------------------------*/
.service-details .service-box {
  background-color: var(--surface-color);
  padding: 20px;
  box-shadow: 0px 2px 20px rgba(0, 0, 0, 0.1);
}

.service-details .service-box+.service-box {
  margin-top: 30px;
}

.service-details .service-box h4 {
  font-size: 20px;
  font-weight: 700;
  border-bottom: 2px solid color-mix(in srgb, var(--default-color), transparent 92%);
  padding-bottom: 15px;
  margin-bottom: 15px;
}

.service-details .services-list {
  background-color: var(--surface-color);
}

.service-details .services-list a {
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  background-color: color-mix(in srgb, var(--default-color), transparent 96%);
  display: flex;
  align-items: center;
  padding: 12px 15px;
  margin-top: 15px;
  transition: 0.3s;
}

.service-details .services-list a:first-child {
  margin-top: 0;
}

.service-details .services-list a i {
  font-size: 16px;
  margin-right: 8px;
  color: var(--accent-color);
}

.service-details .services-list a.active {
  color: var(--contrast-color);
  background-color: var(--accent-color);
}

.service-details .services-list a.active i {
  color: var(--contrast-color);
}

.service-details .services-list a:hover {
  background-color: color-mix(in srgb, var(--accent-color), transparent 95%);
  color: var(--accent-color);
}

.service-details .download-catalog a {
  color: var(--default-color);
  display: flex;
  align-items: center;
  padding: 10px 0;
  transition: 0.3s;
  border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
}

.service-details .download-catalog a:first-child {
  border-top: 0;
  padding-top: 0;
}

.service-details .download-catalog a:last-child {
  padding-bottom: 0;
}

.service-details .download-catalog a i {
  font-size: 24px;
  margin-right: 8px;
  color: var(--accent-color);
}

.service-details .download-catalog a:hover {
  color: var(--accent-color);
}

.service-details .help-box {
  background-color: var(--accent-color);
  color: var(--contrast-color);
  margin-top: 30px;
  padding: 30px 15px;
}

.service-details .help-box .help-icon {
  font-size: 48px;
}

.service-details .help-box h4,
.service-details .help-box a {
  color: var(--contrast-color);
}

.service-details .services-img {
  margin-bottom: 20px;
}

.service-details h3 {
  font-size: 26px;
  font-weight: 700;
}

.service-details p {
  font-size: 15px;
}

.service-details ul {
  list-style: none;
  padding: 0;
  font-size: 15px;
}

.service-details ul li {
  padding: 5px 0;
  display: flex;
  align-items: center;
}

.service-details ul i {
  font-size: 20px;
  margin-right: 8px;
  color: var(--accent-color);
}

/*--------------------------------------------------------------
# Starter Section Section
--------------------------------------------------------------*/

/* Hero Image Styles */
.hero-image {
  position: relative;
  padding: 20px;
}

.hero-img {
  width: 120%;  /* 让图片比容器更宽 */
  max-width: none;  /* 覆盖.img-fluid的max-width限制 */
  transform: translateX(-10%);  /* 调整位置以保持居中 */
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .hero-img {
    width: 110%;
    transform: translateX(-5%);
  }
}

@media (max-width: 992px) {
  .hero-img {
    width: 100%;
    transform: none;
  }
}

/* 语言切换器样式 */
.language-selector {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.language-dropdown {
  display: none;
  position: absolute;
  background: white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  border-radius: 4px;
  padding: 8px 0;
}

.dropdown:hover .language-dropdown {
  display: block;
}

.language-dropdown a {
  display: block;
  padding: 8px 16px;
  color: var(--text-color);
  text-decoration: none;
}

.language-dropdown a:hover {
  background-color: rgba(var(--primary-color-rgb), 0.1);
}

/* Hero Section Styles */
.hero h2.gradient-text {
  background: linear-gradient(45deg, var(--primary-color), #7a7afc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  font-size: 2.5rem;
  font-weight: 700;
  margin: 15px 0;
}

.hero-price {
  color: var(--primary-color);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-content {
  padding-top: 60px;
}

.hero-buttons {
  margin: 30px 0;
  display: flex;
  gap: 15px;
}

/* 响应式调整 */
@media (max-width: 991px) {
  .hero h2.gradient-text {
    font-size: 2rem;
  }
}

/*--------------------------------------------------------------
# Comparison Section
--------------------------------------------------------------*/
.comparison {
  padding: 80px 0;
  position: relative;
  background: linear-gradient(165deg, #f8faff 0%, #f3f6ff 100%);
  overflow: hidden;
}

.comparison::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 1000px;
  height: 800px;
  background: radial-gradient(circle, rgba(var(--primary-color-rgb), 0.03) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.comparison-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  margin-top: 50px;
}

.comparison-card {
  flex: 1;
  background: var(--surface-color);
  border-radius: 24px;
  padding: 40px;
  position: relative;
  transition: all 0.4s ease;
  max-width: 600px;
  box-shadow: 0 15px 40px rgba(var(--primary-color-rgb), 0.08);
}

.comparison-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(var(--primary-color-rgb), 0.15);
}

.comparison-card .card-header {
  text-align: center;
  margin-bottom: 30px;
}

.comparison-card .icon-wrapper {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: rgba(var(--primary-color-rgb), 0.1);
}

.comparison-card .icon-wrapper i {
  font-size: 36px;
  color: var(--primary-color);
}

.comparison-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--heading-color);
  margin: 0;
}

.comparison-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.comparison-card ul li {
  display: flex;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid rgba(var(--primary-color-rgb), 0.1);
  font-size: 16px;
  color: var(--default-color);
}

.comparison-card ul li:last-child {
  border-bottom: none;
}

.comparison-card ul li i {
  margin-right: 15px;
  font-size: 20px;
}

.comparison-card.traditional ul li i {
  color: #e74c3c;
}

.comparison-card.yita ul li i {
  color: #2ecc71;
}

.vs-badge {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: var(--contrast-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  position: relative;
  z-index: 2;
  box-shadow: 0 10px 30px rgba(var(--primary-color-rgb), 0.3);
}

/* 添加动画效果 */
.comparison-card {
  animation: fadeInScale 0.6s ease forwards;
  opacity: 0;
}

.comparison-card.traditional {
  animation-delay: 0.2s;
}

.comparison-card.yita {
  animation-delay: 0.4s;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* 响应式调整 */
@media (max-width: 991px) {
  .comparison-wrapper {
    flex-direction: column;
  }

  .comparison-card {
    width: 100%;
    max-width: 100%;
  }

  .vs-badge {
    margin: 20px 0;
  }
}

@media (max-width: 768px) {
  .comparison-card {
    padding: 30px;
  }

  .comparison-card .icon-wrapper {
    width: 60px;
    height: 60px;
  }

  .comparison-card .icon-wrapper i {
    font-size: 28px;
  }

  .comparison-card h3 {
    font-size: 20px;
  }

  .comparison-card ul li {
    font-size: 15px;
  }
}

/* 更新 Comparison Section 的样式 */
.comparison-card .image-wrapper {
  width: 100%;
  height: 200px;
  margin-bottom: 25px;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.comparison-card .image-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(var(--primary-color-rgb), 0.1) 0%, rgba(var(--primary-color-rgb), 0.05) 100%);
  transition: all 0.3s ease;
}

.comparison-card:hover .image-wrapper::after {
  background: linear-gradient(180deg, rgba(var(--primary-color-rgb), 0.15) 0%, rgba(var(--primary-color-rgb), 0.08) 100%);
}

.comparison-card .comparison-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.5s ease;
}

.comparison-card:hover .comparison-image {
  transform: scale(1.05);
}

/* AI Teacher Styles */

.main-image {
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.ai-teacher-bubble {
  position: absolute;
  top: -40px;
  right: 20px;
  background: #fff;
  padding: 15px 25px;
  border-radius: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  animation: float 3s ease-in-out infinite;
}

.ai-teacher-bubble:after {
  content: '';
  position: absolute;
  bottom: -10px;
  right: 20px;
  border-width: 10px 10px 0;
  border-style: solid;
  border-color: #fff transparent;
}

.feature-screen {
  position: relative;
  display: inline-block;
}

.feedback-overlay {
  position: absolute;
  top: 20px;
  right: -80px;
  background: rgba(255, 255, 255, 0.95);
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  animation: slideIn 0.5s ease-out;
}

.score-card {
  width: 280px;
}

.score-item {
  margin: 10px 0;
}

.progress {
  height: 8px;
  margin-top: 5px;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Stats Section Styling */
.stats-row {
  position: relative;
  z-index: 1;
}

.stat-item {
  background: rgba(255, 255, 255, 0.9);
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(var(--primary-color-rgb), 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(var(--primary-color-rgb), 0.15);
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(var(--primary-color-rgb), 0.05) 0%, rgba(var(--primary-color-rgb), 0) 100%);
  z-index: -1;
}

.stat-icon-wrapper {
  position: relative;
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.stat-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.stat-icon i {
  font-size: 28px;
  color: #fff;
}

.circle-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.circle-progress path {
  fill: none;
  stroke: var(--primary-color);
  stroke-width: 2.8;
  stroke-linecap: round;
  opacity: 0.3;
}

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

.stat-content h4 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInUp 0.5s ease forwards;
}

.stat-content p {
  font-size: 15px;
  color: var(--default-color);
  opacity: 0.8;
  margin: 0;
  line-height: 1.6;
}

/* 添加悬停效果 */
.stat-item:hover .circle-progress path {
  animation: progress 1.5s ease-out forwards;
}

.stat-item:hover .stat-icon {
  animation: pulse 2s infinite;
}

@keyframes progress {
  0% {
    stroke-dasharray: 0, 100;
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(var(--primary-color-rgb), 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(var(--primary-color-rgb), 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(var(--primary-color-rgb), 0);
  }
}

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

/* 响应式调整 */
@media (max-width: 768px) {
  .stat-item {
    padding: 20px;
  }
  
  .stat-icon-wrapper {
    width: 60px;
    height: 60px;
  }
  
  .stat-icon {
    width: 45px;
    height: 45px;
  }
  
  .stat-icon i {
    font-size: 20px;
  }
  
  .stat-content h4 {
    font-size: 20px;
  }
  
  .stat-content p {
    font-size: 14px;
  }
}

/* Comparison Section Styling - Yita Specific */
.yita-comparison-wrapper {
  display: flex;
  gap: 25px;
  justify-content: center;
  align-items: stretch;
  margin-top: 50px;
  perspective: 1000px;
}

.yita-comparison-card {
  flex: 1;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  padding: 40px 30px;
  position: relative;
  transition: all 0.4s ease;
  box-shadow: 0 15px 35px rgba(var(--primary-color-rgb), 0.1);
  max-width: 380px;
}

.yita-comparison-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(var(--primary-color-rgb), 0.15);
}

.yita-comparison-card.featured {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
  color: #fff;
  transform: scale(1.05);
  z-index: 2;
}

.yita-comparison-card.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.yita-popular-badge {
  position: absolute;
  top: -15px;
  right: 20px;
  background: var(--accent-color);
  color: #fff;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 5px 15px rgba(var(--accent-color-rgb), 0.3);
}

.yita-card-header {
  text-align: center;
  margin-bottom: 30px;
}

.yita-icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: rgba(var(--primary-color-rgb), 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.featured .yita-icon-wrapper {
  background: rgba(255, 255, 255, 0.2);
}

.yita-icon-wrapper i {
  font-size: 35px;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.featured .yita-icon-wrapper i {
  color: #fff;
}

.yita-card-header h3 {
  font-size: 24px;
  font-weight: 700;
  margin: 0;
}

.featured .yita-card-header h3 {
  color: #fff;
}

.yita-comparison-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.yita-comparison-list li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
  min-height: 60px;
  padding: 10px 0;
  position: relative; /* 为标签定位添加参考 */
}

.featured .yita-comparison-list li {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.yita-comparison-list li:last-child {
  border-bottom: none;
}

.yita-comparison-list i {
  font-size: 20px;
  flex-shrink: 0;
}

.traditional .yita-comparison-list i {
  color: #dc3545;
}

.yita .yita-comparison-list i {
  color: #28a745;
}

.featured .yita-comparison-list i {
  color: #fff;
}

.others .yita-comparison-list i {
  color: #6c757d;
}

.yita-feature-tag {
  position: absolute;
  right: 0;
  top: 10px;
  background: var(--primary-color);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  white-space: nowrap; /* 防止换行 */
  font-weight: 500;
}

.yita-comparison-list li span:not(.yita-feature-tag) {
  flex: 1;
  padding-right: 80px; /* 为标签预留空间 */
}

/* 图标样式 */
.yita-comparison-list li i {
  color: var(--primary-color);
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

@media (max-width: 992px) {
  .yita-comparison-wrapper {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }

  .yita-comparison-card {
    width: 100%;
    max-width: 400px;
  }

  .yita-comparison-card.featured {
    transform: scale(1);
  }

  .yita-comparison-card.featured:hover {
    transform: translateY(-10px);
  }
}

@media (max-width: 576px) {
  .yita-comparison-card {
    padding: 30px 20px;
  }

  .yita-feature-tag {
    display: none;
  }
}

/* Yita Course Section Styling */
.yita-course {
  background: linear-gradient(135deg, #f8faff 0%, #f3f6ff 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

/* 课程卡片样式 */
.course-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 40px 30px;
  height: 100%;
  position: relative;
  transition: all 0.4s ease;
  border: 1px solid rgba(var(--primary-color-rgb), 0.1);
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(var(--primary-color-rgb), 0.1);
}

/* 功能列表样式 */
.features-list {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  padding: 20px;
  margin: 10px 0;
  border-radius: 16px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.feature-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-color);
  border-radius: 16px;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 0;
}

.feature-item.active::before {
  opacity: 1;
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--primary-color-rgb), 0.1);
  position: relative;
  z-index: 1;
}

.feature-text {
  flex: 1;
  margin-left: 15px;
  position: relative;
  z-index: 1;
}

.feature-item.active .feature-text h5,
.feature-item.active .feature-text p {
  color: #fff;
}

/* 功能展示样式 */
.feature-showcase {
  position: relative;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  overflow: hidden;
}

.showcase-image {
  position: relative;
  height: 300px;
  overflow: hidden;
}

.showcase-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.5s ease;
}

.feature-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  display: flex;
  align-items: flex-end;
  padding: 30px;
}

.showcase-content {
  padding: 30px;
}

.feature-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}

.feature-highlights span {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(var(--primary-color-rgb), 0.1);
  border-radius: 30px;
  font-size: 14px;
}

.feature-highlights i {
  color: var(--primary-color);
}

/* 响应式调整 */
@media (max-width: 992px) {
  .features-showcase {
    margin-top: 30px;
  }
}

.course-card .icon-wrapper {
  width: 70px;
  height: 70px;
  background: rgba(var(--primary-color-rgb), 0.1);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
}

.course-card .icon-wrapper i {
  font-size: 32px;
  color: var(--primary-color);
}

.course-card h4 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--heading-color);
}

.course-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.course-card ul li {
  padding: 8px 0;
  color: var(--text-color);
  position: relative;
  padding-left: 20px;
}

.course-card ul li:before {
  content: "•";
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

.course-card .hover-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(to top, rgba(var(--primary-color-rgb), 0.1), transparent);
  transform: translateY(100%);
  transition: all 0.3s ease;
}

.course-card:hover .hover-content {
  transform: translateY(0);
}

.course-count {
  background: var(--primary-color);
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

/* AI特色介绍样式 */
.ai-features-wrapper {
  margin-top: 80px;
  background: #fff;
  border-radius: 30px;
  padding: 60px;
  box-shadow: 0 15px 40px rgba(var(--primary-color-rgb), 0.08);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--primary-color-rgb), 0.1);
  color: var(--primary-color);
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.feature-item {
  background: rgba(var(--primary-color-rgb), 0.05);
  padding: 15px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: var(--primary-color);
  color: #fff;
}

.ai-highlight {
  background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.1) 0%, rgba(var(--primary-color-rgb), 0.05) 100%);
  border-radius: 20px;
  padding: 25px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.ai-highlight i {
  font-size: 40px;
  color: var(--primary-color);
}

.ai-features-image {
  position: relative;
  text-align: center;
}

.experience-badge {
  position: absolute;
  top: 30px;
  right: 30px;
  background: var(--primary-color);
  color: #fff;
  padding: 20px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  box-shadow: 0 10px 25px rgba(var(--primary-color-rgb), 0.3);
}

.experience-badge .number {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.experience-badge .text {
  font-size: 14px;
  margin-top: 5px;
}

@media (max-width: 992px) {
  .ai-features-wrapper {
    padding: 40px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .course-card {
    padding: 30px 20px;
  }
  
  .features-grid {
    grid-template-columns: repeat(1, 1fr);
  }
  
  .ai-highlight {
    flex-direction: column;
    text-align: center;
  }
  
  .experience-badge {
    position: relative;
    top: 0;
    right: 0;
    margin: 20px auto;
  }
}

.yita-features {
  background: linear-gradient(135deg, #f8faff 0%, #f3f6ff 100%);
  position: relative;
  overflow: hidden;
}

/* 课程卡片样式 */
.course-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 40px 30px;
  height: 100%;
  position: relative;
  transition: all 0.4s ease;
  border: 1px solid rgba(var(--primary-color-rgb), 0.1);
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(var(--primary-color-rgb), 0.1);
}

/* 功能列表样式 */
.features-list {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  padding: 20px;
  margin: 10px 0;
  border-radius: 16px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.feature-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-color);
  border-radius: 16px;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 0;
}

.feature-item.active::before {
  opacity: 1;
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--primary-color-rgb), 0.1);
  position: relative;
  z-index: 1;
}

.feature-text {
  flex: 1;
  margin-left: 15px;
  position: relative;
  z-index: 1;
}

.feature-item.active .feature-text h5,
.feature-item.active .feature-text p {
  color: #fff;
}

/* 功能展示样式 */
.feature-showcase {
  position: relative;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  overflow: hidden;
}

.showcase-image {
  position: relative;
  height: 300px;
  overflow: hidden;
}

.showcase-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.5s ease;
}

.feature-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  display: flex;
  align-items: flex-end;
  padding: 30px;
}

.showcase-content {
  padding: 30px;
}

.feature-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}

.feature-highlights span {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(var(--primary-color-rgb), 0.1);
  border-radius: 30px;
  font-size: 14px;
}

.feature-highlights i {
  color: var(--primary-color);
}

/* 响应式调整 */
@media (max-width: 992px) {
  .features-showcase {
    margin-top: 30px;
  }
}

.course-card .icon-wrapper {
  width: 70px;
  height: 70px;
  background: rgba(var(--primary-color-rgb), 0.1);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
}

.course-card .icon-wrapper i {
  font-size: 32px;
  color: var(--primary-color);
}

.course-card h4 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--heading-color);
}

.course-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.course-card ul li {
  padding: 8px 0;
  color: var(--text-color);
  position: relative;
  padding-left: 20px;
}

.course-card ul li:before {
  content: "•";
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

.course-card .hover-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(to top, rgba(var(--primary-color-rgb), 0.1), transparent);
  transform: translateY(100%);
  transition: all 0.3s ease;
}

.course-card:hover .hover-content {
  transform: translateY(0);
}

.course-count {
  background: var(--primary-color);
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

/* AI特色介绍样式 */
.ai-features-wrapper {
  margin-top: 80px;
  background: #fff;
  border-radius: 30px;
  padding: 60px;
  box-shadow: 0 15px 40px rgba(var(--primary-color-rgb), 0.08);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--primary-color-rgb), 0.1);
  color: var(--primary-color);
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.feature-item {
  background: rgba(var(--primary-color-rgb), 0.05);
  padding: 15px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: var(--primary-color);
  color: #fff;
}

.ai-highlight {
  background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.1) 0%, rgba(var(--primary-color-rgb), 0.05) 100%);
  border-radius: 20px;
  padding: 25px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.ai-highlight i {
  font-size: 40px;
  color: var(--primary-color);
}

.ai-features-image {
  position: relative;
  text-align: center;
}

.experience-badge {
  position: absolute;
  top: 30px;
  right: 30px;
  background: var(--primary-color);
  color: #fff;
  padding: 20px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  box-shadow: 0 10px 25px rgba(var(--primary-color-rgb), 0.3);
}

.experience-badge .number {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.experience-badge .text {
  font-size: 14px;
  margin-top: 5px;
}

@media (max-width: 992px) {
  .ai-features-wrapper {
    padding: 40px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .course-card {
    padding: 30px 20px;
  }
  
  .features-grid {
    grid-template-columns: repeat(1, 1fr);
  }
  
  .ai-highlight {
    flex-direction: column;
    text-align: center;
  }
  
  .experience-badge {
    position: relative;
    top: 0;
    right: 0;
    margin: 20px auto;
  }
}

/* Features Showcase 样式优化 */
.feature-item {
  display: flex;
  align-items: center;
  padding: 20px;
  margin: 5px 0;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  background: rgba(var(--primary-color-rgb), 0.02);
}

.feature-item:hover {
  background: rgba(var(--primary-color-rgb), 0.05);
}

.feature-item.active {
  background: var(--primary-color);
}

/* 优化激活状态的文字颜色 */
.feature-item.active .feature-text h5 {
  color: #ffffff;
  font-weight: 600;
}

.feature-item.active .feature-text p {
  color: rgba(255, 255, 255, 0.9);
}

/* 优化图标颜色 */
.feature-item .feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  background: rgba(var(--primary-color-rgb), 0.1);
  transition: all 0.3s ease;
}

.feature-item.active .feature-icon {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* 文字样式优化 */
.feature-text h5 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--heading-color);
  transition: color 0.3s ease;
}

.feature-text p {
  margin: 5px 0 0;
  font-size: 14px;
  color: var(--text-color);
  opacity: 0.8;
  transition: color 0.3s ease;
}

/* Features Showcase 现代风格样式 */
.features-showcase {
  padding: 40px 0;
}

/* 左侧功能列表样式 */
.features-list {
  background: var(--surface-color);
  border-radius: 24px;
  padding: 20px;
  height: 100%;
  box-shadow: 0 15px 35px rgba(var(--primary-color-rgb), 0.08);
}

.feature-item {
  position: relative;
  padding: 20px;
  margin: 8px 0;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  background: transparent;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, 
    rgba(var(--primary-color-rgb), 0.05),
    rgba(var(--primary-color-rgb), 0.02));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-item:hover::before {
  opacity: 1;
}

.feature-item.active {
  background: var(--primary-color);
  transform: translateX(10px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  margin-bottom: 15px;
  background: rgba(var(--primary-color-rgb), 0.1);
  transition: all 0.3s ease;
}

.feature-icon i {
  font-size: 24px;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.feature-item.active .feature-icon {
  background: rgba(255, 255, 255, 0.2);
}

.feature-item.active .feature-icon i {
  color: #fff;
}

.feature-text {
  position: relative;
  z-index: 1;
}

.feature-text h5 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  color: var(--heading-color);
  transition: color 0.3s ease;
}

.feature-text p {
  font-size: 14px;
  margin: 5px 0 0;
  color: var(--text-color);
  opacity: 0.8;
  transition: all 0.3s ease;
}

.feature-item.active .feature-text h5,
.feature-item.active .feature-text p {
  color: #fff;
}

/* 右侧内容展示样式 */
.features-content-wrapper {
  position: relative;
  height: 100%;
}

.right-feature-content {
  display: none;
  opacity: 0;
  transition: all 0.4s ease;
}

.right-feature-content.active {
  display: block;
  opacity: 1;
}

.content-card {
  background: var(--surface-color);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(var(--primary-color-rgb), 0.08);
}

.showcase-image {
  position: relative;
  padding-top: 56.25%; /* 16:9 比例 */
  overflow: hidden;
}

.showcase-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
    rgba(var(--primary-color-rgb), 0.1),
    rgba(var(--primary-color-rgb), 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-content {
  padding: 30px;
}

.showcase-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--heading-color);
}

.showcase-content p {
  color: var(--text-color);
  margin-bottom: 25px;
  line-height: 1.6;
}

.feature-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-highlights span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-color);
}

.feature-highlights i {
  color: var(--primary-color);
  font-size: 18px;
}

@media (max-width: 991px) {
  .features-list {
    margin-bottom: 30px;
  }
  
  .feature-highlights {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .feature-highlights {
    grid-template-columns: 1fr;
  }
  
  .showcase-content {
    padding: 20px;
  }
}

/* Footer App Download 样式 */
.footer-app {
  margin-bottom: 30px;
}

.footer-app h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--heading-color);
  margin-bottom: 15px;
}

.footer-app p {
  color: var(--text-color);
  margin-bottom: 20px;
}

.app-downloads {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.app-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-color);
  padding: 8px 16px;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid rgba(var(--primary-color-rgb), 0.1);
}

.app-btn:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.app-btn i {
  font-size: 24px;
  color: var(--heading-color);
}

.app-btn:hover i {
  color: #fff;
}

.app-btn-text {
  display: flex;
  flex-direction: column;
}

.app-btn-text small {
  font-size: 12px;
  color: var(--text-color);
}

.app-btn-text span {
  font-size: 16px;
  font-weight: 600;
  color: var(--heading-color);
}

.app-btn:hover .app-btn-text small,
.app-btn:hover .app-btn-text span {
  color: #fff;
}

.qr-code {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

.qr-code .qr-image {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  padding: 8px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(var(--primary-color-rgb), 0.1);
}

.qr-code span {
  font-size: 14px;
  color: var(--text-color);
}

/* 响应式调整 */
@media (max-width: 991px) {
  .app-downloads {
    flex-direction: row;
    justify-content: center;
  }
  
  .qr-code {
    margin-top: 30px;
  }
}

@media (max-width: 576px) {
  .app-downloads {
    flex-direction: column;
    align-items: center;
  }
  
  .app-btn {
    width: 100%;
    max-width: 200px;
  }
}

/* Features Showcase 视频样式 */
.showcase-video {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: var(--surface-color);
  min-height: 300px; /* 设置最小高度避免加载时塌陷 */
}

.feature-video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 24px;
  z-index: 0;
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.overlay-icon {
  font-size: 24px;
  color: var(--primary-color);
  opacity: 0.8;
}

/* 视频加载状态样式 */
.showcase-video {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: var(--surface-color);
  min-height: 300px; /* 设置最小高度避免加载时塌陷 */
}

.video-loading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  z-index: 2;
}

.showcase-video.loading .video-loading {
  display: flex;
}

.showcase-video:not(.loading) .video-loading {
  display: none;
}

.feature-video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 24px;
  z-index: 1;
}

/* 添加视频加载错误状态 */
.showcase-video.error::after {
  content: "视频加载失败，请刷新页面重试";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--text-color);
  font-size: 14px;
  text-align: center;
  background: rgba(255, 255, 255, 0.95);
  padding: 12px 24px;
  border-radius: 8px;
  z-index: 3;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 视频加载成功后自动播放 */
.showcase-video:not(.loading):not(.error) .feature-video {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 视频播放器样式 */
.showcase-video {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  cursor: pointer;
}

.feature-video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 24px;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 2;
  transition: all 0.3s ease;
  padding: 0;
}

.video-play-btn i {
  font-size: 64px;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.video-play-btn:hover i {
  transform: scale(1.1);
  color: var(--primary-color);
}

.showcase-video.playing .video-play-btn {
  opacity: 0;
  pointer-events: none;
}

/* 视频悬停效果 */
.showcase-video:hover .video-play-btn i {
  transform: scale(1.1);
}

/* Hero Image Carousel 样式 */
.hero-image {
  position: relative;
  padding: 20px;
}

.image-carousel {
  position: relative;
  width: 100%;
  height: 600px; /* 调整高度适应全身图片 */
  overflow: hidden;
}

.carousel-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-item.active {
  opacity: 1;
}

.carousel-item img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
}

/* 对话气泡样式优化 */
.ai-teacher-bubble {
  position: absolute;
  top: 30%; /* 下移气泡位置 */
  right: 0;
  background: #fff;
  padding: 15px 25px;
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  max-width: 320px; /* 略微增加宽度以适应更长的文本 */
  z-index: 2;
  animation: float 3s ease-in-out infinite;
}

.ai-teacher-bubble::after {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 10px;
  border-style: solid;
  border-color: transparent #fff transparent transparent;
}

.ai-teacher-bubble p {
  margin: 0;
  font-size: 15px; /* 略微增加字号 */
  line-height: 1.6;
  color: var(--text-color);
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

/* 用户徽章位置调整 */
.customers-badge {
  position: absolute;
  bottom: 30px;
  right: 20px;
  background: rgba(255, 255, 255, 0.95);
  padding: 15px 25px;
  border-radius: 16px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  z-index: 2;
}

/* Hero下载按钮样式 */
.hero-buttons {
  display: flex;
  gap: 20px;
  margin-top: 40px;
}

/* 下载按钮图标统一样式 */
.download-btn i,
.download-btn .platform-icon {
  font-size: 28px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.platform-icon {
  object-fit: contain;
  margin-right: 2px; /* 微调图标间距 */
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: var(--primary-color);
  border-radius: 12px;
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: var(--primary-dark-color);
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 5px 15px rgba(var(--primary-color-rgb), 0.3);
}

.download-btn i {
  font-size: 28px;
}

.download-btn .btn-text {
  display: flex;
  flex-direction: column;
}

.download-btn small {
  font-size: 12px;
  opacity: 0.9;
}

.download-btn span {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .download-btn {
    justify-content: center;
    padding: 10px 20px;
  }
}

/* Hero按钮组样式 */
.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin-top: 40px;
}

.download-buttons {
  display: flex;
  gap: 15px;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: var(--primary-color);
  border-radius: 12px;
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: var(--primary-dark-color);
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 5px 15px rgba(var(--primary-color-rgb), 0.3);
}

.download-btn i {
  font-size: 28px;
}

.download-btn .btn-text {
  display: flex;
  flex-direction: column;
}

.download-btn small {
  font-size: 12px;
  opacity: 0.9;
}

.download-btn span {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
}

/* 播放按钮样式 */
.play-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 5px;
}

.play-btn i {
  font-size: 48px;
  transition: all 0.3s ease;
}

.play-btn span {
  font-size: 16px;
}

.play-btn:hover {
  color: var(--primary-dark-color);
}

.play-btn:hover i {
  transform: scale(1.1);
}

/* 响应式调整 */
@media (max-width: 576px) {
  .download-buttons {
    flex-direction: column;
    width: 100%;
  }

  .download-btn {
    width: 100%;
    justify-content: center;
  }

  .play-btn {
    justify-content: center;
    width: 100%;
  }
}

/* 下载按钮样式修复 */
.download-btn {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 16px 28px;
  background: #fff;
  border: 1px solid rgba(var(--primary-color-rgb), 0.2);
  border-radius: 16px;
  color: var(--heading-color);
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.download-btn:hover {
  transform: translateY(-3px);
  background: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: 0 20px 30px rgba(var(--primary-color-rgb), 0.2);
}

/* 确保悬浮时文字和图标颜色正确 */
.download-btn:hover i,
.download-btn:hover span,
.download-btn:hover small {
  color: #fff;
}

.download-btn i {
  font-size: 32px;
  transition: all 0.3s ease;
  color: var(--primary-color);
}

.download-btn .btn-text {
  display: flex;
  flex-direction: column;
}

.download-btn small {
  font-size: 13px;
  opacity: 0.8;
  color: var(--text-color);
}

.download-btn span {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--heading-color);
}

/* 右侧内容展示区域高度调整 */
.features-content-wrapper {
  height: 100%;
  min-height: 600px; /* 与左侧内容高度匹配 */
}

.right-feature-content {
  height: 100%;
  display: none;
}

.right-feature-content.active {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.content-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.showcase-video,
.showcase-image {
  flex: 1;
  min-height: 400px; /* 确保最小高度 */
  position: relative;
  overflow: hidden;
}

.showcase-video video,
.showcase-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase-content {
  padding: 30px;
}

/* 响应式调整 */
@media (max-width: 991px) {
  .features-content-wrapper {
    min-height: 500px;
  }
  
  .showcase-video,
  .showcase-image {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  .features-content-wrapper {
    min-height: 400px;
  }
  
  .showcase-video,
  .showcase-image {
    min-height: 250px;
  }
}

/* Footer 二维码样式优化 */
.qr-codes {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
}

.qr-code-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.qr-code-item .qr-image {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  padding: 5px;
  background: #fff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.qr-code-item:hover .qr-image {
  transform: translateY(-3px);
}

.qr-code-item span {
  font-size: 14px;
  color: var(--text-color);
}

/* Footer 整体样式优化 */
.footer-info {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-info .logo {
  margin-bottom: 20px;
}

.footer-info p {
  max-width: 80%;
  text-align: center;
  margin-bottom: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .qr-codes {
    gap: 20px;
  }

  .qr-code-item .qr-image {
    width: 100px;
    height: 100px;
  }

  .footer-info p {
    max-width: 100%;
  }
}

/* 下载按钮图标统一样式 */
.download-btn i,
.download-btn .platform-icon {
  font-size: 28px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.platform-icon {
  object-fit: contain;
  margin-right: 2px; /* 微调图标间距 */
}

/* 特性卡片布局优化 */
.features-cards .row {
  display: flex;
  flex-wrap: wrap;
  margin: -15px;
}

.features-cards .col-xl-3 {
  padding: 15px;
  flex: 0 0 25%;
  max-width: 25%;
}

/* 确保每行显示4个卡片 */
@media (min-width: 1200px) {
  .features-cards .col-xl-3:nth-child(n+5) {
    margin-top: 0;
  }
}

/* 平板设备显示2列 */
@media (max-width: 1199px) and (min-width: 768px) {
  .features-cards .col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

/* 移动设备显示1列 */
@media (max-width: 767px) {
  .features-cards .col-md-6 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* Footer 布局优化 */
.footer-links ul {
  padding: 0;
  list-style: none;
  text-align: left;
}

.footer-links ul li {
  padding: 5px 0;
}

.footer-app {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.app-downloads {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  width: 100%;
}

.app-btn {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 991px) {
  .footer-links,
  .footer-app {
    text-align: left;
  }
}

/* 课程卡片样式 */
.course-categories {
  margin-bottom: 2rem;
}

.category-title {
  margin-bottom: 1.5rem;
  color: var(--color-secondary);
  font-weight: 600;
}

.course-item {
  background-color: #ffffff;
  padding: 1.8rem;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.course-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border-color: rgba(var(--color-primary-rgb), 0.2);
}

.course-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
  opacity: 0.8;
}

.course-icon {
  margin-bottom: 1rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.1);
  border-radius: 10px;
}

.course-item h5 {
  margin-bottom: 0.8rem;
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 1.1rem;
}

.course-item p {
  margin-bottom: 1.2rem;
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.5;
}

.course-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.course-link i {
  margin-left: 0.3rem;
  transition: transform 0.3s ease;
}

.course-link:hover {
  color: var(--color-secondary);
}

.course-link:hover i {
  transform: translateX(3px);
}

/* 现代化课程卡片样式 */
.course-card-modern {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  height: 100%;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.course-card-modern:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.course-image {
  position: relative;
  overflow: hidden;
  height: 180px;
  align-items: top;
  justify-content: top;
}

.course-image img {
  width: 60%;
  height: 100%;
  object-fit:cover;
  transition: transform 0.5s ease;
}

.course-card-modern:hover .course-image img {
  transform: scale(1.1);
}

.course-content {
  padding: 2rem;
  background-color: #ffffff;
  position: relative;
  z-index: 1;
  flex: 1;
}

.course-icon {
  position: absolute;
  top: -25px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  font-size: 1.3rem;
  z-index: 2;
}

.course-card-modern h5 {
  margin-bottom: 1rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: #333;
}

.course-card-modern p {
  margin-bottom: 1.5rem;
  color: #666;
  font-size: 0.95rem;
  line-height: 1.5;
}

.course-link {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s ease;
}
.course-link i {
  margin-left: 0.5rem;
  transition: transform 0.3s ease;
}

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

/* 渐变色背景 */
.gradient-blue {
  background: linear-gradient(135deg, #2980b9, #6dd5fa);
}

.gradient-blue .course-icon {
  color: #2980b9;
}

.gradient-blue .course-link {
  color: #2980b9;
}

.gradient-purple {
  background: linear-gradient(135deg, #8e44ad, #c0392b);
}

.gradient-purple .course-icon {
  color: #8e44ad;
}

.gradient-purple .course-link {
  color: #8e44ad;
}

.gradient-green {
  background: linear-gradient(135deg, #27ae60, #2ecc71);
}

.gradient-green .course-icon {
  color: #27ae60;
}

.gradient-green .course-link {
  color: #27ae60;
}

.gradient-orange {
  background: linear-gradient(135deg, #e67e22, #f39c12);
}

.gradient-orange .course-icon {
  color: #e67e22;
}

.gradient-orange .course-link {
  color: #e67e22;
}

.gradient-red {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.gradient-red .course-icon {
  color: #e74c3c;
}

.gradient-red .course-link {
  color: #e74c3c;
}

.gradient-teal {
  background: linear-gradient(135deg, #1abc9c, #16a085);
}

.gradient-teal .course-icon {
  color: #1abc9c;
}

.gradient-teal .course-link {
  color: #1abc9c;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .course-image {
    height: 160px;
  }
  
  .course-content {
    padding: 1.5rem;
  }
  
  .course-card-modern h5 {
    font-size: 1.1rem;
  }
}

/* 修复标签切换样式问题 */
.tab-content > .tab-pane {
  display: none;
}

.tab-content > .active {
  display: block;
}

/* 确保激活标签的样式正确 */
.nav-tabs .nav-link.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  border-bottom-color: transparent;
  font-weight: 600;
}

/* 标签过渡动画 */
.tab-pane.fade {
  opacity: 0;
  transition: opacity 0.15s linear;
}

.tab-pane.fade.show {
  opacity: 1;
}

/* 平台数据增强样式 - 更新版 */
.stats-section-enhanced {
  background: linear-gradient(135deg, #f8faff 0%, #f3f6ff 100%);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* 移除原有的深色背景渐变和遮罩 */
.stats-section-enhanced::before,
.stats-section-enhanced::after {
  display: none; /* 移除原有的背景效果 */
}

/* 更新文字颜色为深色，适应浅色背景 */
.stats-section-enhanced .section-title h2,
.stats-section-enhanced .section-title p {
  color: #333; /* 深色文字，适合浅色背景 */
}

/* 更新卡片样式以适应浅色背景 */
.stats-section-enhanced .stats-card {
  background-color: #ffffff;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
  border: 1px solid #eaeaea;
}

/* 更新数字和标签颜色 */
.stats-section-enhanced .highlight-text {
  background: linear-gradient(135deg, #0d6efd 0%, #3485fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  font-size: 42px;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(13, 110, 253, 0.1);
}

.stats-section-enhanced .stats-label {
  color: #333; /* 深色文字 */
}

.stats-section-enhanced .stats-desc {
  color: #666; /* 中灰色文字 */
}

/* 更新图标容器样式 */
.stats-section-enhanced .stats-icon {
  background-color: rgba(13, 110, 253, 0.1); /* 淡蓝色图标背景 */
  color: #0d6efd; /* 蓝色图标 */
}

/* 确保 stats-card 内的所有文字颜色为黑灰色 */
.stats-card .stats-content .stats-number,
.stats-card .stats-content .stats-label,
.stats-card .stats-content .stats-desc {
  color: #333; /* 深灰色文字 */
}

.stats-card .stats-content .stats-desc {
  color: #666; /* 稍浅一点的灰色文字，用于描述文本 */
}

/* 保持突出显示的数字为蓝色 */
.stats-card .stats-content .highlight-text {
  color: #0d6efd; /* 蓝色数字 */
}

/* 图标保持蓝色 */
.stats-card .stats-icon i {
  color: #0d6efd; /* 蓝色图标 */
}

/* 更新卡片悬停效果 */
.stats-section-enhanced .stats-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.stats-section-enhanced .stats-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
  height: 100%;
  padding: 30px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.stats-section-enhanced .stats-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.15);
}

.stats-section-enhanced .stats-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.stats-section-enhanced .stats-card:hover::after {
  height: 6px;
  background: rgba(255, 255, 255, 0.4);
}

.stats-section-enhanced .stats-content {
  flex-grow: 1;
}

.stats-section-enhanced .stats-number {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.stats-section-enhanced .stats-label {
  font-size: 18px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.stats-section-enhanced .stats-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
  line-height: 1.6;
}

.stats-section-enhanced .stats-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  margin-left: 15px;
  transition: all 0.3s ease;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.stats-section-enhanced .stats-icon i {
  font-size: 24px;
  color: #fff;
  transition: all 0.3s ease;
}

.stats-section-enhanced .stats-card:hover .stats-icon {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.1);
}

/* 添加背景光效 */
.stats-section-enhanced {
  position: relative;
  z-index: 1;
}

.stats-section-enhanced::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
  top: -100px;
  left: -100px;
  border-radius: 50%;
  z-index: -1;
}

.stats-section-enhanced::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
  bottom: -200px;
  right: -100px;
  border-radius: 50%;
  z-index: -1;
}

/* 响应式调整 */
@media (max-width: 992px) {
  .stats-section-enhanced {
    padding: 60px 0;
  }
  
  .stats-section-enhanced .stats-card {
    padding: 25px;
  }
  
  .stats-section-enhanced .highlight-text {
    font-size: 36px;
  }
  
  .stats-section-enhanced .stats-label {
    font-size: 16px;
  }
  
  .stats-section-enhanced .stats-desc {
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  .stats-section-enhanced .stats-card {
    padding: 20px;
  }
  
  .stats-section-enhanced .highlight-text {
    font-size: 32px;
  }
  
  .stats-section-enhanced .stats-label {
    font-size: 15px;
  }
  
  .stats-section-enhanced .stats-icon {
    width: 50px;
    height: 50px;
  }
  
  .stats-section-enhanced .stats-icon i {
    font-size: 20px;
  }
}

/* 产品优势标签页样式 */
.advantages-tabs {
  background: #f8f9fa;
  border-radius: 50px;
  padding: 6px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
  border: none;
  display: inline-flex;
  max-width: 600px;
}

.advantages-tabs .nav-link {
  border: none;
  border-radius: 50px;
  padding: 12px 24px;
  font-weight: 600;
  color: #4e4e4e;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.advantages-tabs .nav-link i {
  font-size: 20px;
  transition: all 0.3s ease;
}

.advantages-tabs .nav-link.active {
  background: linear-gradient(135deg, #4a6bdf 0%, #6a5ae0 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(74, 107, 223, 0.3);
}

.advantages-tabs .nav-link:hover:not(.active) {
  background: rgba(74, 107, 223, 0.1);
  color: #4a6bdf;
}

/* 优势内容区域样式 */
.advantages-tab-content {
  margin-top: 40px;
}

.advantage-content {
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.advantage-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, #4a6bdf, #6a5ae0);
}

.advantage-text h3 {
  margin-bottom: 20px;
  font-weight: 700;
  font-size: 28px;
}

.gradient-text {
  background: linear-gradient(135deg, #4a6bdf 0%, #6a5ae0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.advantage-description {
  color: #6c757d;
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 25px;
}

.advantage-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.advantage-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 24px;
  gap: 15px;
}

.advantage-list li:last-child {
  margin-bottom: 0;
}

.advantage-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(74, 107, 223, 0.15) 0%, rgba(106, 90, 224, 0.15) 100%);
  color: #4a6bdf;
  font-size: 22px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.advantage-list li:hover .advantage-icon {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(74, 107, 223, 0.2);
  background: linear-gradient(135deg, #4a6bdf 0%, #6a5ae0 100%);
  color: white;
}

.advantage-list h5 {
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 5px;
  color: #333;
}

.advantage-list p {
  color: #6c757d;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.6;
}

.advantage-image {
  text-align: center;
  position: relative;
}

.advantage-image img {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.5s ease;
}

.advantage-content:hover .advantage-image img {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 响应式调整 */
@media (max-width: 992px) {
  .advantage-content {
    padding: 30px;
  }
  
  .advantage-text {
    margin-bottom: 30px;
  }
  
  .advantage-text h3 {
    font-size: 24px;
  }
  
  .advantage-description {
    font-size: 16px;
  }
  
  .advantage-list li {
    margin-bottom: 20px;
  }
  
  .advantage-icon {
    width: 45px;
    height: 45px;
    font-size: 20px;
  }
  
  .advantage-list h5 {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  .advantages-tabs {
    max-width: 100%;
    border-radius: 40px;
  }
  
  .advantages-tabs .nav-link {
    padding: 10px 16px;
    font-size: 14px;
  }
  
  .advantages-tabs .nav-link i {
    font-size: 18px;
  }
  
  .advantage-content {
    padding: 25px;
  }
  
  .advantage-text h3 {
    font-size: 22px;
  }
  
  .advantage-description {
    font-size: 15px;
  }
  
  .advantage-list li {
    gap: 12px;
  }
  
  .advantage-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
  
  .advantage-list h5 {
    font-size: 16px;
  }
  
  .advantage-list p {
    font-size: 13px;
  }
}

@media (max-width: 576px) {
  .advantages-tabs {
    padding: 4px;
  }
  
  .advantages-tabs .nav-link {
    padding: 8px 12px;
    font-size: 13px;
  }
  
  .advantages-tabs .nav-link i {
    font-size: 16px;
  }
  
  .advantage-content {
    padding: 20px;
  }
}

/* 优势详情卡片 - 展开版 */
.expanded-advantages .advantage-card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  padding: 30px;
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.expanded-advantages .advantage-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.expanded-advantages .advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, #4a6bdf, #6a5ae0);
}

.expanded-advantages .advantage-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.expanded-advantages .advantage-icon-large {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(74, 107, 223, 0.15) 0%, rgba(106, 90, 224, 0.15) 100%);
  margin-right: 15px;
  flex-shrink: 0;
}

.expanded-advantages .advantage-icon-large i {
  font-size: 28px;
  color: #4a6bdf;
}

.expanded-advantages .advantage-title {
  font-size: 24px;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(135deg, #4a6bdf 0%, #6a5ae0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.expanded-advantages .advantage-description {
  color: #6c757d;
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.expanded-advantages .advantage-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.expanded-advantages .advantage-list li {
  display: flex;
  margin-bottom: 20px;
  gap: 12px;
}

.expanded-advantages .advantage-list li:last-child {
  margin-bottom: 0;
}

.expanded-advantages .advantage-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(74, 107, 223, 0.15) 0%, rgba(106, 90, 224, 0.15) 100%);
  color: #4a6bdf;
  font-size: 18px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.expanded-advantages .advantage-list li:hover .advantage-icon {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(74, 107, 223, 0.2);
  background: linear-gradient(135deg, #4a6bdf 0%, #6a5ae0 100%);
  color: white;
}

.expanded-advantages .advantage-list h5 {
  font-weight: 600;
  font-size: 17px;
  margin-bottom: 4px;
  color: #333;
}

.expanded-advantages .advantage-list p {
  color: #6c757d;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.5;
}

/* 响应式调整 */
@media (max-width: 992px) {
  .expanded-advantages .advantage-card {
    padding: 25px;
    margin-bottom: 20px;
  }
  
  .expanded-advantages .advantage-icon-large {
    width: 50px;
    height: 50px;
  }
  
  .expanded-advantages .advantage-icon-large i {
    font-size: 24px;
  }
  
  .expanded-advantages .advantage-title {
    font-size: 22px;
  }
}

@media (max-width: 768px) {
  .expanded-advantages .advantage-card {
    padding: 20px;
  }
  
  .expanded-advantages .advantage-header {
    margin-bottom: 15px;
  }
  
  .expanded-advantages .advantage-icon-large {
    width: 45px;
    height: 45px;
  }
  
  .expanded-advantages .advantage-icon-large i {
    font-size: 22px;
  }
  
  .expanded-advantages .advantage-title {
    font-size: 20px;
  }
  
  .expanded-advantages .advantage-description {
    font-size: 15px;
    margin-bottom: 15px;
  }
  
  .expanded-advantages .advantage-list li {
    margin-bottom: 15px;
  }
  
  .expanded-advantages .advantage-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  
  .expanded-advantages .advantage-list h5 {
    font-size: 16px;
  }
  
  .expanded-advantages .advantage-list p {
    font-size: 13px;
  }
}

/* 产品特点瀑布流布局 */
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr); /* 改为5列布局 */
  gap: 20px; /* 统一间距 */
}

.masonry-item {
  transition: all 0.3s ease;
}

.feature-card {
  position: relative;
  background: #ffffff;
  border-radius: 16px;
  padding: 24px; /* 减小内边距 */
  height: 100%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.4s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.feature-card:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.03));
  opacity: 0;
  transition: all 0.4s ease;
}

.feature-card:hover:before {
  opacity: 1;
}

.feature-card.large {
  grid-row: span 2;
}

.feature-card.medium {
  grid-row: span 1.5;
}

.feature-card.small {
  grid-row: span 1;
}

.feature-icon {
  width: 50px; /* 减小图标大小 */
  height: 50px;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.4s ease;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(5px);
}

.feature-icon:after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  background: inherit;
  filter: blur(8px);
  opacity: 0.6;
  z-index: -1;
  transition: all 0.4s ease;
}

.feature-card:hover .feature-icon {
  transform: translateY(-5px) scale(1.05);
}

.feature-card:hover .feature-icon:after {
  opacity: 0.8;
  filter: blur(12px);
}

.feature-icon i {
  font-size: 20px; /* 减小图标字体大小 */
  color: #fff;
  transition: all 0.4s ease;
}

.feature-card:hover .feature-icon i {
  transform: scale(1.1);
}

.feature-icon.orange {
  background: linear-gradient(135deg, #ff9966, #ff5e62);
}

.feature-icon.blue {
  background: linear-gradient(135deg, #4a6bdf, #56ccf2);
}

.feature-icon.green {
  background: linear-gradient(135deg, #43c6ac, #28c76f);
}

.feature-icon.red {
  background: linear-gradient(135deg, #f5576c, #f093fb);
}

.feature-icon.purple {
  background: linear-gradient(135deg, #6a5ae0, #a855f7);
}

.feature-icon.teal {
  background: linear-gradient(135deg, #00cdac, #4facfe);
}

.feature-icon.yellow {
  background: linear-gradient(135deg, #f6d365, #fda085);
}

.feature-card h4 {
  font-size: 16px; /* 减小标题大小 */
  font-weight: 700;
  margin-bottom: 10px;
  color: #333;
  transition: all 0.3s ease;
}

.feature-card p {
  color: #6c757d;
  line-height: 1.4;
  margin-bottom: 0;
  transition: all 0.3s ease;
}

.feature-card strong {
  font-weight: 600;
  color: #444;
}

/* 响应式布局调整 */
@media (max-width: 1200px) {
  .masonry-grid {
    grid-template-columns: repeat(4, 1fr); /* 1200px以下显示4列 */
  }
}

@media (max-width: 992px) {
  .masonry-grid {
    grid-template-columns: repeat(3, 1fr); /* 992px以下显示3列 */
  }
}

@media (max-width: 768px) {
  .masonry-grid {
    grid-template-columns: repeat(2, 1fr); /* 768px以下显示2列 */
  }
}

@media (max-width: 576px) {
  .masonry-grid {
    grid-template-columns: 1fr; /* 576px以下显示1列 */
  }
}

/* 现代简约风格产品优势卡片 */
.modern-advantages .modern-advantage-card {
  position: relative;
  background: #ffffff;
  border-radius: 16px;
  padding: 30px;
  height: 100%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.35s ease;
  overflow: hidden;
}

.modern-advantages .modern-advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.modern-advantages .modern-advantage-card:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, #4a6bdf, #6a5ae0);
  transition: all 0.5s ease;
}

.modern-advantages .modern-advantage-card:hover:before {
  width: 100%;
}

.modern-advantages .advantage-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(74, 107, 223, 0.15) 0%, rgba(106, 90, 224, 0.15) 100%);
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.modern-advantages .advantage-icon i {
  font-size: 28px;
  background: linear-gradient(135deg, #4a6bdf 0%, #6a5ae0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.3s ease;
}

.modern-advantages .modern-advantage-card:hover .advantage-icon {
  transform: scale(1.1);
  background: linear-gradient(135deg, #4a6bdf 0%, #6a5ae0 100%);
}

.modern-advantages .modern-advantage-card:hover .advantage-icon i {
  -webkit-text-fill-color: white;
}

.modern-advantages h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #333;
  position: relative;
  display: inline-block;
}

.modern-advantages .advantage-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.modern-advantages .advantage-list li {
  margin-bottom: 18px;
  padding-bottom: 0;
  transition: all 0.3s ease;
  display: block;
}

.modern-advantages .advantage-list li:last-child {
  margin-bottom: 0;
}

.modern-advantages .advantage-item-title {
  display: inline;
  font-weight: 600;
  color: #444;
  white-space: nowrap;
  font-size: 16px;
}

.modern-advantages .advantage-list p {
  margin: 5px 0 0 0;
  color: #666;
  font-size: 15px;
  line-height: 1.5;
  display: block;
}

/* 移动设备上的优化 */
@media (max-width: 768px) {
  .modern-advantages .advantage-item-title {
    display: block;
    margin-bottom: 3px;
    font-size: 15px;
  }
  
  .modern-advantages .advantage-list p {
    margin-top: 2px;
    font-size: 14px;
  }
}

/* 语言选择器样式 */
.language-selector {
  position: relative;
  margin-left: 20px;
}

.current-lang {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.current-lang:hover {
  background: rgba(255, 255, 255, 0.2);
}

.current-lang img {
  width: 20px;
  height: 20px;
  margin-right: 8px;
  border-radius: 3px;
}

.current-lang i {
  margin-left: 8px;
  font-size: 12px;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  padding: 8px 0;
  margin-top: 8px;
  display: none;
  z-index: 1000;
}

.lang-dropdown li {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-dropdown li:hover {
  background: rgba(0,0,0,0.05);
}

.lang-dropdown img {
  width: 20px;
  height: 20px;
  margin-right: 8px;
  border-radius: 3px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .language-selector {
    margin: 10px 0;
  }
  
  .lang-dropdown {
    width: 100%;
    position: static;
    margin-top: 5px;
  }
}

.language-selector .current-lang,
.language-selector .lang-dropdown li {
  display: flex;
  align-items: center;
  gap: 8px; /* 增加图标和文字之间的间距 */
}

.language-selector .bi-translate {
  font-size: 18px; /* 调整图标大小 */
  color: #666; /* 调整图标颜色 */
}

.language-selector .bi-chevron-down {
  margin-left: 4px; /* 微调下拉箭头的位置 */
  font-size: 14px; /* 调整下拉箭头大小 */
  opacity: 0.7; /* 让箭头看起来不那么突兀 */
}

.language-selector span {
  font-size: 14px; /* 调整文字大小 */
}

/* 修改 modern-advantages 布局使内容居中 */
.modern-advantages {
  text-align: center;
}

.modern-advantages .row {
  justify-content: center;
}

.modern-advantages .modern-advantage-card {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.modern-advantages .advantage-icon {
  margin: 0 auto 20px auto;
}

.modern-advantages .advantage-list {
  display: inline-block;
  text-align: left; /* 列表项内容保持左对齐便于阅读 */
}

.modern-advantages h3 {
  margin-bottom: 25px;
}

/* 添加到您的 CSS 文件中 */
.hidden-lang-item {
  display: none !important;
}

/* 添加到您的 CSS 文件中 */
.contact-channels {
  transition: all 0.3s ease;
}

.d-none {
  display: none !important;
}

/* 修改联系信息区域的样式 */
.info-box {
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* 联系信息项的容器 */
.info-items-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center; /* 只让联系信息项垂直居中 */
}

/* 调整联系信息项的间距 */
.info-item {
  margin-bottom: 2rem;
}

/* 调整最后一个联系信息项的间距 */
.info-item:last-child {
  margin-bottom: 0;
}

/* 调整公司介绍和二维码区域的布局 */
.company-info-box {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center; /* 水平居中 */
}

/* 调整公司介绍的样式 */
.company-intro {
  max-width: 600px; /* 限制最大宽度 */
  margin: 0 auto; /* 水平居中 */
  text-align: center;
}

/* 调整联系信息区域的样式 */
.info-box {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center; /* 垂直居中 */
}

/* 调整联系信息项的样式 */
.info-items-container {
  display: flex;
  flex-direction: column;
  gap: 2rem; /* 统一间距 */
}

.info-item {
  display: flex;
  align-items: center;
  margin-bottom: 0; /* 移除默认的下边距 */
}

/* 调整图标盒子的样式 */
.info-item .icon-box {
  margin-right: 1.5rem;
  flex-shrink: 0;
}

/* 调整内容区域的样式 */
.info-item .content {
  flex-grow: 1;
}

/* 响应式调整 */
@media (max-width: 991px) {
  .info-box, 
  .company-info-box {
    padding: 2rem 0;
  }
  
  .contact .row {
    min-height: auto;
  }
  
  .info-items-container {
    gap: 1.5rem; /* 移动端稍微减小间距 */
  }
}

/* 添加自定义响应式类 */
@media (min-width: 800px) {
  .d-custom-none {
    display: none !important;
  }
  
  .d-custom-block {
    display: block !important;
  }
  
  .d-custom-flex {
    display: flex !important;
  }
}

@media (max-width: 799px) {
  .d-custom-md-none {
    display: none !important;
  }
  
  .d-custom-md-block {
    display: block !important;
  }
  
  .d-custom-md-flex {
    display: flex !important;
  }
}

/* 添加背景遮罩 */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 997;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-nav-active .nav-overlay {
  opacity: 1;
  visibility: visible;
}

/* 语言下拉菜单样式 */
.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0; /* 右对齐 */
  min-width: 120px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
  padding: 10px 0;
  margin-top: 5px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

.language-selector:hover .lang-dropdown {
  opacity: 1;
  visibility: visible;
}

/* App下载按钮样式 */
.download-buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.download-btn {
  display: flex;
  align-items: center;
  background-color: white; /* 将背景色改为白色 */
  color: #333; /* 更改文字颜色为深色 */
  border-radius: 12px;
  padding: 10px 16px;
  transition: all 0.3s ease;
  text-decoration: none;
  border: 1px solid rgba(0, 0, 0, 0.1); /* 添加细边框 */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); /* 添加轻微阴影 */
}

.download-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  background-color: white; /* 保持悬停时也是白色 */
  color: var(--primary-color); /* 悬停时文字变为主色调 */
}

/* 重置特定按钮颜色 */
.download-btn.app-store,
.download-btn.play-store {
  background-color: white;
}

/* 图标样式 */
.download-btn i {
  font-size: 24px;
  margin-right: 10px;
  color: #333; /* 图标颜色 */
}

.download-btn:hover i {
  color: var(--primary-color); /* 悬停时图标颜色变为主色调 */
}

/* 按钮文字样式 */
.download-btn .btn-text {
  display: flex;
  flex-direction: column;
}

.download-btn small {
  font-size: 12px;
  opacity: 0.7;
  color: #555;
}

.download-btn span {
  font-size: 16px;
  font-weight: 500;
  color: #333;
}

.download-btn:hover span,
.download-btn:hover small {
  color: var(--primary-color); /* 悬停时文字颜色变为主色调 */
}

/* 特定商店的样式变化 */
.download-btn.app-store {
  background-color: white !important; /* 强制使用白色背景 */
  color: #333;
}

.download-btn.play-store {
  background-color: white !important; /* 强制使用白色背景 */
  color: #333;
}

/* 按钮内容颜色也需要调整 */
.download-btn.app-store i,
.download-btn.app-store small,
.download-btn.app-store span,
.download-btn.play-store i,
.download-btn.play-store small,
.download-btn.play-store span {
  color: #333;
}

/* 悬停效果也要调整 */
.download-btn.app-store:hover,
.download-btn.play-store:hover {
  background-color: white !important;
}

.download-btn.app-store:hover i,
.download-btn.app-store:hover small,
.download-btn.app-store:hover span,
.download-btn.play-store:hover i,
.download-btn.play-store:hover small,
.download-btn.play-store:hover span {
  color: var(--primary-color);
}

/* 移动设备样式优化 */
@media (max-width: 576px) {
  .download-buttons {
    justify-content: center;
  }
  
  .download-btn {
    padding: 8px 12px;
  }
  
  .download-btn i {
    font-size: 20px;
  }
  
  .download-btn span {
    font-size: 14px;
  }
}

/* Call To Action 区域的下载按钮特殊样式 */
.call-to-action-2 .download-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 30px auto 0;
}

/* 深色背景上的下载按钮样式调整 */
.dark-background .download-btn {
  background-color: rgba(255, 255, 255, 0.9);
  border: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  padding: 12px 20px;
  transition: all 0.3s ease;
}

.dark-background .download-btn:hover {
  background-color: white;
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* 深色背景上的按钮文字样式 */
.dark-background .download-btn small,
.dark-background .download-btn span,
.dark-background .download-btn i {
  color: #333;
}

.dark-background .download-btn:hover small,
.dark-background .download-btn:hover span,
.dark-background .download-btn:hover i {
  color: var(--primary-color);
}

/* 移动设备优化 */
@media (max-width: 576px) {
  .call-to-action-2 .download-buttons {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
  
  .dark-background .download-btn {
    width: 80%;
    max-width: 250px;
    justify-content: center;
  }
}

/* 服务部分样式优化 */
.service-content {
  padding-right: 20px;
}

.service-image-container {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin: 0 auto;
  max-height: 400px;
}

.service-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-height: 400px;
  transition: transform 0.5s ease;
}

.service-image-container:hover img {
  transform: scale(1.05);
}

.cta-container {
  margin-top: 25px;
}

.cta-container .btn-primary {
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.cta-container .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.service-intro {
  font-size: 1.05rem;
  font-weight: 500;
  color: #333;
  margin-bottom: 20px;
}

/* 响应式调整 */
@media (max-width: 991px) {
  .service-content {
    padding-right: 0;
    margin-bottom: 30px;
  }
  
  .service-image-container {
    max-width: 80%;
  }
}

@media (max-width: 576px) {
  .service-intro {
    font-size: 1rem;
  }
  
  .service-content p {
    font-size: 0.95rem;
  }
  
  .cta-container .btn-primary {
    padding: 8px 20px;
    font-size: 0.9rem;
  }
}