/* 基础设置 */
:root {
  --primary-color: #38b6ff;
  --secondary-color: #727cf0;
  --dark-color: #1a1a1a;
  --light-color: #ffffff;
  --gray-color: #666666;
  --light-gray: #f5f5f5;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans SC", sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
}

/* 通用样式 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--light-color);
  border: none;
}

.btn-primary:hover {
  background: #004aad;
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

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

/* 导航栏 */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  background: var(--light-color);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo img {
  height: 40px;
}

.nav-links ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark-color);
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-buttons .btn {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.language-select {
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  outline: none;
}

.menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero区域 */
.hero {
  padding: 120px 5% 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, #fff 0%, #f5f5f5 100%);
}

.hero-wrapper {
  display: flex;
  max-width: 1200px;
  /* 设置最大宽度 */
  width: 100%;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  color: var(--dark-color);
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--gray-color);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  animation: float 3s ease-in-out infinite;
}



/* 特点部分 */
.features {
  padding: 80px 5%;
  background: var(--light-color);
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  padding: 2rem;
  text-align: center;
  background: var(--light-gray);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-card ion-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}


/* 添加响应式布局 */


/* 价格方案区域 */
.pricing {
  padding: 60px 5%;
  background: var(--light-gray);
}

.pricing h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
}

/* 价格卡片网格布局 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

/* 价格卡片基础样式 */
.price-card {
  background: var(--light-color);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  position: relative;
  transition: var(--transition);
  min-width: 200px;
}

/* 价格卡片悬停效果 */
.price-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 热门方案样式 */
.price-card.popular {
  border: 2px solid var(--primary-color);
}

.popular-tag {
  position: absolute;
  top: -12px;
  right: 15px;
  background: var(--primary-color);
  color: var(--light-color);
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
}

/* 价格显示样式 */
.price-card .price {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-color);
  margin: 0.8rem 0;
}

.price-card .price span {
  font-size: 0.9rem;
  color: var(--gray-color);
}

/* 功能列表样式 */
.price-card ul {
  list-style: none;
  margin: 1.5rem 0;
}

.price-card ul li {
  margin: 0.8rem 0;
  color: var(--gray-color);
}



/* 下载部分 */
.download {
  padding: 80px 5%;
  background: var(--light-color);
}

.download h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.platform-card {
  text-align: center;
  padding: 2rem;
  transition: var(--transition);
}

.platform-card:hover {
  transform: translateY(-10px);
}

.platform-card img {
  width: 80px;
  margin-bottom: 1rem;
}

.platform-card ion-icon {
  font-size: 8rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* 联系我们 */
.contact {
  padding: 80px 5%;
  background: var(--light-gray);
}

.contact h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-grid a {
  text-decoration: none;
  color: inherit;
}


.contact-grid a:hover {
  cursor: pointer;
}

.contact-card {
  background: var(--light-color);
  padding: 2rem;
  text-align: center;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

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

.contact-card ion-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* 页脚 */
footer {
  background: var(--dark-color);
  color: var(--light-color);
  padding: 4rem 5% 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 2rem;
}

.footer-logo img {
  height: 40px;
  margin-bottom: 1rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  margin-bottom: 1rem;
  color: var(--light-color);
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin: 0.5rem 0;
}

.footer-column a {
  color: #999;
  text-decoration: none;
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--light-color);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: #999;
  font-size: 1.5rem;
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--light-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #333;
}


/* FAQ页面样式 */
.faq-page {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.faq-hero {
  text-align: center;
  margin-bottom: 60px;
}

.faq-hero h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

.faq-hero p {
  color: #666;
  font-size: 1.2em;
}

.faq-category {
  margin-bottom: 40px;
}

.faq-category h2 {
  margin-bottom: 20px;
  color: #333;
}

.faq-item {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.faq-question {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.1em;
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
  padding: 0 20px 20px;
  max-height: 500px;
}

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

.still-questions {
  text-align: center;
  margin-top: 60px;
  padding: 40px;
  background: #f8f9fa;
  border-radius: 12px;
}

.still-questions h2 {
  margin-bottom: 15px;
}

.still-questions p {
  margin-bottom: 25px;
  color: #666;
}

/* 教程页面样式 */
.tutorial-page {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.tutorial-hero {
  text-align: center;
  margin-bottom: 60px;
}

.tutorial-hero h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

.tutorial-hero p {
  color: #666;
  font-size: 1.2em;
}

.tutorial-category {
  margin-bottom: 40px;
}

.platform-header {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}

.platform-header ion-icon {
  width: 40px;
  height: 40px;
  margin-right: 15px;
  color: #38b6ff;
}

.platform-header h2 {
  margin: 0;
  color: #333;
}

.tutorial-item {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.tutorial-question {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.tutorial-question h3 {
  margin: 0;
  font-size: 1.1em;
}

.tutorial-answer {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease-out;
}

.tutorial-item.active .tutorial-answer {
  padding: 0 20px 20px;
  max-height: 1000px;
}

.tutorial-item.active .tutorial-question ion-icon {
  transform: rotate(180deg);
}

.step-content {
  color: #666;
}

.step-content p {
  margin: 10px 0;
}

.step-content img {
  width: 100%;
  max-width: 600px;
  border-radius: 8px;
  margin: 15px 0;
  border: 1px solid #eee;
}

.tutorial-help {
  text-align: center;
  background: #f8f9fa;
  padding: 60px 20px;
  border-radius: 12px;
  margin-top: 40px;
}

.tutorial-help h2 {
  margin-bottom: 15px;
}

.tutorial-help p {
  margin-bottom: 30px;
  color: #666;
}

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

/* Windows 下载页面样式 */
.windows-hero {
  padding: 120px 5% 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: linear-gradient(135deg, var(--primary-color-light) 0%, #ffffff 100%);
}

.windows-hero .hero-content {
  flex: 1;
  max-width: 600px;
}

.windows-hero .hero-image {
  flex: 1;
  max-width: 600px;
}

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

.windows-hero .hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.windows-hero .hero-content p {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* 系统要求区域 */
.requirements {
  padding: 80px 5%;
  text-align: center;
  background: #ffffff;
}

.requirements h2 {
  margin-bottom: 50px;
  color: var(--dark-color);
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.requirement-card {
  padding: 30px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.requirement-card:hover {
  transform: translateY(-5px);
}

.requirement-card ion-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.requirement-card h3 {
  margin-bottom: 15px;
  color: var(--dark-color);
}

.requirement-card p {
  color: var(--text-color);
}

/* 下载区域 */
.download-section {
  padding: 80px 5%;
  background: var(--light-bg);
  text-align: center;
}

.download-card {
  max-width: 800px;
  margin: 40px auto;
  padding: 40px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.download-content {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 30px;
}

.download-info {
  flex: 1;
  text-align: left;
}

.download-info h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--dark-color);
}

.download-info p {
  margin: 10px 0;
  color: var(--text-color);
}

.download-image {
  flex: 1;
  max-width: 200px;
}

.download-image img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.btn-large {
  padding: 15px 40px;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-large ion-icon {
  font-size: 1.3rem;
}

/* 安装步骤 */
.guide-section {
  padding: 80px 5%;
  text-align: center;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 40px auto 0;
}

.step-card {
  padding: 30px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  position: relative;
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  margin: 0 auto 20px;
}

.step-card h3 {
  margin-bottom: 15px;
  color: var(--dark-color);
}

.step-card p {
  color: var(--text-color);
}



/* MacOS 下载页面样式 */
.macos-hero {
  padding: 120px 5% 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: linear-gradient(135deg, var(--primary-color-light) 0%, #ffffff 100%);
}

.macos-hero .hero-content {
  flex: 1;
  max-width: 600px;
}

.macos-hero .hero-image {
  flex: 1;
  max-width: 600px;
}

.macos-hero .hero-image img {
  width: 80%;
  height: auto;
}

/* 系统要求区域 */
.requirements {
  padding: 80px 5%;
  text-align: center;
  background: #ffffff;
}

.requirements h2 {
  margin-bottom: 50px;
  color: var(--dark-color);
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.requirement-card {
  padding: 30px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.requirement-card:hover {
  transform: translateY(-5px);
}

.requirement-card ion-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.requirement-card h3 {
  margin-bottom: 15px;
  color: var(--dark-color);
}

.requirement-card p {
  color: var(--text-color);
}

/* 下载区域 */
.download-section {
  padding: 80px 5%;
  background: var(--light-bg);
  text-align: center;
}

.download-card {
  flex: 1;  /* 让卡片平均分配空间 */
  max-width: 600px;
  margin: 40px auto;
  padding: 40px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.download-cards-container {
  max-width: 1200px;
  display: flex;
  gap: 1rem;  /* 卡片之间的间距 */
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;  /* 在小屏幕上自动换行 */
}

.download-info {
  margin-bottom: 30px;
  text-align: left;
}

.download-info h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--dark-color);
}

.download-info p {
  margin: 10px 0;
  color: var(--text-color);
}

.btn-large {
  padding: 15px 40px;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-large ion-icon {
  font-size: 1.3rem;
}

/* 安装步骤 */
.guide-section {
  padding: 80px 5%;
  text-align: center;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 40px auto 0;
}

.step-card {
  padding: 30px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  position: relative;
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  margin: 0 auto 20px;
}

.step-card h3 {
  margin-bottom: 15px;
  color: var(--dark-color);
}

.step-card p {
  color: var(--text-color);
}



/* iOS 下载页面样式 */
.ios-hero {
  padding: 120px 5% 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: linear-gradient(135deg, var(--primary-color-light) 0%, #ffffff 100%);
}

.ios-hero .ios-hero-content {
  flex: 1;
  max-width: 600px;
}

.ios-hero .ios-hero-image {
  flex: 1;
  max-width: 600px;
}

.ios-hero .ios-phone-mockup {
  max-height: 500px;
  width: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

.ios-hero .ios-hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.ios-hero-content p {
  margin-bottom: 30px;
  color: var(--text-color);
}

.app-store-buttons {
  margin-top: 30px;
}

.app-store-btn {
  display: inline-block;
  transition: transform 0.3s ease;
}

.app-store-btn:hover {
  transform: translateY(-3px);
  /* 添加悬停效果 */
}

.app-store-btn img {
  height: 60px;
  width: auto;
}

/* 功能特点区域 */
.ios-features-section {
  padding: 80px 5%;
  text-align: center;
  background: #ffffff;
}

.ios-features-section .ios-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  /* 3个并排 */
  gap: 30px;
  max-width: 1200px;
  margin: 40px auto 0;
}

.ios-features-section .ios-feature-card {
  padding: 40px 30px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.ios-features-section .ios-feature-card:hover {
  transform: translateY(-5px);
}

.ios-features-section .ios-feature-card ion-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.ios-features-section .ios-feature-card h3 {
  margin-bottom: 15px;
  color: var(--dark-color);
}

.ios-features-section .ios-feature-card p {
  color: var(--text-color);
  line-height: 1.6;
}

/* 下载区域 */
.ios-download-section {
  padding: 80px 5%;
  background: var(--light-bg);
  text-align: center;
}

.ios-download-card {
  max-width: 800px;
  margin: 40px auto;
  padding: 40px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.ios-download-content {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 30px;
}

.ios-download-content iframe {
  max-width: 50%;
  height: 236px;
  background: #fff;
  margin: 0 auto;
  display: block;
}

.ios-download-info {
  flex: 1;
  text-align: left;
}

.ios-download-buttons {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  /* 居中显示 */
  gap: 30px;
  flex-wrap: wrap;
  align-items: flex-end;
}

/* 使用步骤 */
.ios-steps-section {
  padding: 80px 5%;
  text-align: center;
}

.ios-steps-container {
  max-width: 800px;
  margin: 40px auto 0;
}

.ios-step-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
  text-align: left;
  padding: 20px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.ios-step-number {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  flex-shrink: 0;
}

.ios-step-content {
  flex: 1;
}

.ios-step-content h3 {
  margin-bottom: 10px;
  color: var(--dark-color);
}

.ios-step-content p {
  color: var(--text-color);
  line-height: 1.6;
}



/* Android 下载页面样式 */
.android-hero {
  padding: 120px 5% 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: linear-gradient(135deg, var(--primary-color-light) 0%, #ffffff 100%);
}

.android-hero-content {
  flex: 1;
  max-width: 600px;
}

.android-hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.android-hero-content p {
  margin-bottom: 30px;
  color: var(--text-color);
}

.android-hero-image {
  flex: 1;
  max-width: 600px;
}

.android-phone-mockup {
  max-height: 500px;
  width: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

/* 下载按钮样式 */
.android-download-buttons {
  display: flex;
  gap: 20px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.android-play-store-btn {
  display: inline-block;
  transition: transform 0.3s ease;
}

.android-play-store-btn:hover {
  transform: translateY(-2px);
}

.google-play-badge {
  width: 200px;
  height: auto;
}

.android-text-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  color: var(--primary-color);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.android-text-download-btn:hover {
  border-bottom-color: var(--primary-color);
}

.android-text-download-btn ion-icon {
  font-size: 1.2em;
}

/* 功能特点区域 */
.android-features-section {
  padding: 80px 5%;
  text-align: center;
  background: #ffffff;
}

.android-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 40px auto 0;
}

.android-feature-card {
  padding: 40px 30px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.android-feature-card:hover {
  transform: translateY(-5px);
}

.android-feature-card ion-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

/* 下载区域 */
.android-download-section {
  padding: 80px 5%;
  background: var(--light-bg);
  text-align: center;
}

.android-download-card {
  max-width: 800px;
  margin: 40px auto;
  padding: 40px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.android-download-info {
  margin-bottom: 30px;
  text-align: center;
}

.android-download-info h3 {
  margin-bottom: 15px;
  color: var(--dark-color);
}

.android-download-info p {
  color: var(--text-color);
  margin: 5px 0;
}

.android-download-buttons-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  align-items: flex-end;
  /* 底部对齐 */
  flex-wrap: wrap;
}

.android-download-buttons-group .android-play-store-btn {
  display: inline-block;
  transition: transform 0.3s ease;
}

.android-download-buttons-group .android-play-store-btn:hover {
  transform: translateY(-2px);
}

.android-download-buttons-group .android-text-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  color: var(--primary-color);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.android-download-buttons-group .android-text-download-btn:hover {
  border-bottom-color: var(--primary-color);
}

.android-download-buttons-group .android-text-download-btn ion-icon {
  font-size: 1.2em;
}

/* 使用步骤 */
.android-steps-section {
  padding: 80px 5%;
  text-align: center;
}

.android-steps-container {
  max-width: 800px;
  margin: 40px auto 0;
}

.android-step-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
  text-align: left;
  padding: 20px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.android-step-number {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
}



/* 基础动画定义 */

/* 动画 */
@keyframes float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }

  100% {
    transform: translateY(0px);
  }
}
@keyframes fadeInAndFloat {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

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

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

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

/* 添加动画类 */
.animate {
  opacity: 0;
}

.animate.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate.fade-in-and-float {
  animation: 
      fadeInAndFloat 0.6s ease forwards,
      float 3s ease-in-out infinite 0.6s; /* 0.6s 延迟等待淡入动画完成 */
}

.animate.fade-in-left {
  animation: fadeInLeft 0.6s ease forwards;
}

.animate.fade-in-right {
  animation: fadeInRight 0.6s ease forwards;
}


/* 初始状态：隐藏元素 */
.fade-in {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

/* 当元素可见时添加的类 */
.fade-in.is-visible {
  opacity: 1;
  visibility: visible;
}

/* 不同方向的动画初始状态 */
.fade-in-up {
  transform: translateY(30px);
}

.fade-in-left {
  transform: translateX(-30px);
}

.fade-in-right {
  transform: translateX(30px);
}

/* 动画完成后的状态 */
.fade-in.is-visible {
  transform: translate(0);
  opacity: 1;
}

/* 添加延迟类 */
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }






/* 响应式设计 */
@media (max-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .hero-content {
    margin-bottom: 2rem;
    text-align: center;
  }
  
  .hero-image {
    margin-top: 4rem;
  }

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

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

  .price-card {
    min-width: auto;
  }

  .nav-links, .nav-buttons {
    display: none;
  }

  .menu-btn {
    display: block;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 100px;
  }

  .hero-buttons {
    justify-content: center;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .windows-hero {
    flex-direction: column;
    text-align: center;
    padding: 130px 5% 60px;
  }

  .windows-hero .hero-content,
  .windows-hero .hero-image {
    max-width: 100%;
  }

  .requirements-grid,
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .download-card {
    padding: 30px 20px;
  }

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

  .windows-hero .hero-content h1 {
    font-size: 2rem;
  }

  .download-content {
    flex-direction: column;
    text-align: center;
  }

  .download-image {
    order: -1;
    max-width: 200px;
    margin: 0 auto;
  }

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

  .macos-hero {
    flex-direction: column;
    text-align: center;
    padding: 100px 5% 60px;
  }

  .macos-hero .hero-content,
  .macos-hero .hero-image {
    max-width: 100%;
  }

  .requirements-grid,
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .download-card {
    padding: 30px 20px;
  }

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

  .ios-hero {
    flex-direction: column;
    text-align: center;
    padding: 100px 5% 60px;
  }

  .ios-hero .ios-hero-content,
  .ios-hero .ios-hero-image {
    max-width: 100%;
  }

  .ios-hero .ios-phone-mockup {
    margin-top: 30px;
    max-height: 300px;
  }

  .ios-hero .ios-hero-content h1 {
    font-size: 2rem;
  }

  .ios-download-content iframe {
    max-width: 100%;
    height: 259.3px;
    background: #fff;
    margin: 0 auto;
    display: block;
  }

  .ios-features-section .ios-features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ios-download-section .ios-download-content {
    flex-direction: column;
    text-align: center;
  }

  .ios-download-section .ios-download-info {
    text-align: center;
  }

  .ios-download-section .ios-download-qr {
    margin: 0 auto;
  }

  .ios-steps-section .ios-step-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px 20px;
  }

  .ios-steps-section .ios-step-number {
    margin-bottom: 15px;
  }

  .android-hero {
    flex-direction: column;
    text-align: center;
    padding: 100px 5% 60px;
  }

  .android-hero-content,
  .android-hero-image {
    max-width: 100%;
  }

  .android-phone-mockup {
    margin-top: 30px;
    max-height: 300px;
  }

  .android-hero .android-hero-content h1 {
    font-size: 2rem;
  }

  .android-features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .android-download-buttons {
    justify-content: center;
  }

  .android-step-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .faq-page {
    padding: 100px 15px;
  }

  .faq-hero h1 {
    font-size: 2em;
  }

  .tutorial-page {
    padding: 100px 15px;
  }

  .tutorial-hero h1 {
    font-size: 2em;
  }

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

  .help-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}