:root {
  /* 主色调 */
  --primary-color: #6a5acd; /* 紫蓝色：代表心灵成长和内在平衡 */
  --primary-light: #9d91e3;
  --primary-dark: #483d8b;
  
  /* 辅助色 */
  --secondary-color: #5fc9c2; /* 青绿色：代表新生和更新 */
  --secondary-light: #8ee9e2;
  --secondary-dark: #3a867f;
  
  /* 中性色 */
  --dark: #333333;
  --medium-dark: #555555;
  --medium: #777777;
  --medium-light: #999999;
  --light: #f5f7fa;
  
  /* 功能色 */
  --success: #4caf50;
  --warning: #ff9800;
  --error: #f44336;
  --info: #2196f3;

  /* 字体 */
  --font-primary: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Noto Serif SC', serif;
  
  /* 边框圆角 */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);
  
  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  
  /* 容器最大宽度 */
  --container-width: 1200px;
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-light);
}

ul {
  list-style-type: none;
}

img {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  font-family: var(--font-primary);
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

section {
  padding: var(--spacing-xxl) 0;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--medium);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* 高亮文本 */
.highlight {
  color: var(--secondary-color);
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 6px;
  background-color: rgba(95, 201, 194, 0.3);
  z-index: -1;
  transform: skewX(-12deg);
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 4px 14px rgba(106, 90, 205, 0.4);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  box-shadow: 0 6px 18px rgba(106, 90, 205, 0.5);
  transform: translateY(-2px);
  color: white;
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
  box-shadow: 0 4px 14px rgba(95, 201, 194, 0.4);
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  box-shadow: 0 6px 18px rgba(95, 201, 194, 0.5);
  transform: translateY(-2px);
  color: white;
}

.btn-text {
  color: var(--primary-color);
  padding: 8px 0;
  position: relative;
  font-weight: 600;
}

.btn-text::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
}

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

.btn-text:hover::after {
  width: 100%;
}

.btn-text i {
  margin-left: var(--spacing-xs);
  transition: transform var(--transition-normal);
}

.btn-text:hover i {
  transform: translateX(4px);
}

/* 头部样式 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.logo img {
  height: 36px;
  margin-right: var(--spacing-sm);
}

.main-nav ul {
  display: flex;
}

.main-nav li {
  margin-left: var(--spacing-lg);
}

.main-nav a {
  color: var(--medium-dark);
  font-weight: 500;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
}

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

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

.language-switch {
  display: flex;
  align-items: center;
}

.lang-btn {
  background: none;
  border: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--medium);
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.lang-btn:hover, .lang-btn.active {
  color: var(--primary-color);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--dark);
  transition: all var(--transition-normal);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: white;
  box-shadow: var(--shadow-md);
  z-index: 999;
  padding: var(--spacing-lg);
  transform: translateY(-100%);
  transition: transform var(--transition-normal);
}

.mobile-menu.active {
  transform: translateY(0);
}

.mobile-menu ul {
  margin-bottom: var(--spacing-lg);
}

.mobile-menu li {
  margin-bottom: var(--spacing-md);
}

.mobile-menu a {
  display: block;
  color: var(--medium-dark);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
}

.mobile-language-switch {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

/* 英雄区域样式 */
.hero {
  padding-top: calc(70px + var(--spacing-xxl));
  padding-bottom: var(--spacing-xxl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: linear-gradient(45deg, rgba(106, 90, 205, 0.1), rgba(95, 201, 194, 0.1));
  border-radius: 50%;
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, rgba(95, 201, 194, 0.08), rgba(106, 90, 205, 0.08));
  border-radius: 50%;
  z-index: -1;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-content {
  max-width: 550px;
}

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

.hero p {
  font-size: 1.2rem;
  color: var(--medium-dark);
  margin-bottom: var(--spacing-xl);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-desc {
  font-size: 0.9rem;
  color: var(--medium);
}

.hero-image {
  position: relative;
  width: 40%;
  max-width: 400px;
}

.hero-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom right, rgba(106, 90, 205, 0.2), rgba(95, 201, 194, 0.2));
  border-radius: var(--border-radius-lg);
  z-index: 1;
}

/* 痛点部分样式 */
.pain-points {
  background-color: #f9fafc;
  padding: var(--spacing-xxl) 0;
}

.pain-points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.pain-point {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.pain-point:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pain-point-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: rgba(106, 90, 205, 0.1);
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
}

.pain-point-icon i {
  font-size: 24px;
  color: var(--primary-color);
}

.pain-point h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
}

.pain-point p {
  color: var(--medium);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* 功能部分样式 */
.features-tabs {
  margin-top: var(--spacing-xl);
}

.features-tabs-nav {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding-bottom: var(--spacing-md);
}

.tab-btn {
  display: flex;
  align-items: center;
  background: none;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--medium);
  font-weight: 500;
  transition: all var(--transition-normal);
  position: relative;
}

.tab-btn i {
  margin-right: var(--spacing-sm);
  font-size: 1.2rem;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -13px;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
}

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

.tab-btn.active {
  color: var(--primary-color);
}

.tab-btn.active::after {
  width: 100%;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-content-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tab-text {
  width: 50%;
  padding-right: var(--spacing-xl);
}

.tab-image {
  width: 45%;
}

.tab-image img {
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.feature-list {
  margin-bottom: var(--spacing-lg);
}

.feature-list li {
  margin-bottom: var(--spacing-md);
  padding-left: 28px;
  position: relative;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 18px;
  height: 18px;
  background-color: rgba(95, 201, 194, 0.2);
  border-radius: 50%;
}

.feature-list li::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 14px;
  width: 10px;
  height: 10px;
  background-color: var(--secondary-color);
  border-radius: 50%;
}

/* 收益部分样式 */
.benefits {
  background-color: #f9fafc;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.benefit {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  text-align: center;
}

.benefit:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: rgba(95, 201, 194, 0.1);
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
}

.benefit-icon i {
  font-size: 24px;
  color: var(--secondary-color);
}

.benefit h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
}

.benefit p {
  color: var(--medium);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.benefits-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* 如何工作部分样式 */
.how-it-works {
  background-color: #fff;
}

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

.step {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 40px;
  left: 29px;
  width: 2px;
  height: calc(100% + var(--spacing-xl) - 40px);
  background-color: rgba(106, 90, 205, 0.2);
}

.step-number {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--primary-color);
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 50%;
  margin-right: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.step-content {
  padding-top: var(--spacing-xs);
}

.step-content h3 {
  margin-bottom: var(--spacing-xs);
}

.step-content p {
  color: var(--medium);
  margin-bottom: 0;
}

/* 用户反馈部分样式 */
.testimonials {
  background-color: #f9fafc;
  overflow: hidden;
}

.testimonials-carousel {
  margin-top: var(--spacing-xl);
  display: flex;
  gap: var(--spacing-lg);
}

.testimonial-card {
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  width: 100%;
  flex-shrink: 0;
}

.testimonial-content {
  padding: var(--spacing-lg);
}

.testimonial-rating {
  display: flex;
  margin-bottom: var(--spacing-md);
}

.testimonial-rating i {
  color: #ffc107;
  margin-right: 2px;
}

.testimonial-text {
  margin-bottom: var(--spacing-lg);
  font-style: italic;
  color: var(--medium-dark);
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: var(--spacing-md);
}

.author-info h4 {
  margin-bottom: 0;
  font-size: 1.1rem;
}

.author-info p {
  color: var(--medium);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.testimonials-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.testimonial-prev,
.testimonial-next {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: white;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  color: var(--medium-dark);
  transition: all var(--transition-normal);
}

.testimonial-prev:hover,
.testimonial-next:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.testimonial-dots {
  display: flex;
  align-items: center;
  margin: 0 var(--spacing-md);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(106, 90, 205, 0.3);
  margin: 0 5px;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.dot.active {
  background-color: var(--primary-color);
  width: 14px;
  height: 14px;
}

/* App预览部分样式 */
.app-preview {
  background-color: #fff;
}

.app-styles-tabs {
  margin-top: var(--spacing-xl);
}

.app-styles-nav {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.style-btn {
  display: flex;
  align-items: center;
  background: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--medium-dark);
  font-weight: 500;
  transition: all var(--transition-normal);
  margin: 0 var(--spacing-xs) var(--spacing-sm);
}

.style-btn i {
  margin-right: var(--spacing-sm);
  font-size: 1.2rem;
}

.style-btn:hover {
  color: var(--primary-color);
  background-color: rgba(106, 90, 205, 0.05);
}

.style-btn.active {
  color: var(--primary-color);
  border-color: var(--primary-color);
  background-color: rgba(106, 90, 205, 0.05);
}

.style-content {
  display: none;
}

.style-content.active {
  display: flex;
  flex-direction: column;
  animation: fadeIn var(--transition-normal);
}

@media (min-width: 768px) {
  .style-content.active {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

.style-description {
  flex: 1;
  padding-right: var(--spacing-xl);
}

@media (max-width: 767px) {
  .style-description {
    padding-right: 0;
    margin-bottom: var(--spacing-lg);
  }
}

.style-features {
  list-style-type: disc;
  padding-left: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.style-features li {
  margin-bottom: var(--spacing-sm);
  color: var(--medium-dark);
}

.app-preview-frame {
  width: 100%;
  max-width: 375px;
  height: 812px;
  background-color: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .app-preview-frame {
    margin: 0;
  }
}

.app-preview-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.full-demo-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* 价格部分样式 */
.pricing {
  background-color: #f9fafc;
}

.pricing-cards {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

.pricing-card {
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  width: 100%;
  max-width: 350px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  transform: scale(1.05);
  box-shadow: 0 12px 30px rgba(106, 90, 205, 0.15);
  border: 2px solid var(--primary-color);
  z-index: 2;
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-8px);
}

.popular-tag {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--primary-color);
  color: white;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  border-bottom-left-radius: var(--border-radius-sm);
}

.pricing-header {
  padding: var(--spacing-lg);
  text-align: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.pricing-header h3 {
  margin-bottom: var(--spacing-sm);
}

.pricing-price {
  margin-bottom: var(--spacing-sm);
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark);
}

.period {
  font-size: 1rem;
  color: var(--medium);
}

.pricing-save {
  font-size: 0.9rem;
  color: var(--success);
  font-weight: 600;
}

.pricing-features {
  padding: var(--spacing-lg);
}

.pricing-features ul {
  margin-bottom: 0;
}

.pricing-features li {
  margin-bottom: var(--spacing-sm);
  padding-left: 28px;
  position: relative;
}

.pricing-features li::before {
  content: '\f00c';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--primary-color);
}

.pricing-cta {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  text-align: center;
}

.pricing-cta .btn {
  width: 100%;
}

.pricing-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 600px;
  margin: var(--spacing-xl) auto 0;
  padding: var(--spacing-lg);
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
}

.guarantee-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: rgba(106, 90, 205, 0.1);
  border-radius: 50%;
  margin-right: var(--spacing-lg);
  flex-shrink: 0;
}

.guarantee-icon i {
  font-size: 20px;
  color: var(--primary-color);
}

.guarantee-text h4 {
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.guarantee-text p {
  color: var(--medium);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.pricing-faq {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
}

.pricing-faq h3 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.faq-item {
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
}

.faq-question h4 {
  margin-bottom: 0;
  font-size: 1.1rem;
}

.faq-question i {
  color: var(--primary-color);
  transition: transform var(--transition-normal);
}

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

.faq-answer {
  padding: 0 var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-md);
  max-height: 1000px;
}

.faq-answer p {
  color: var(--medium);
  margin-bottom: 0;
}

/* 下载部分样式 */
.download {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
}

.download .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.download-content {
  width: 60%;
  max-width: 600px;
}

.download h2 {
  text-align: left;
  color: white;
  margin-bottom: var(--spacing-md);
}

.download p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}

.app-stores {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.app-store-btn {
  height: 50px;
  transition: transform var(--transition-normal);
}

.app-store-btn:hover {
  transform: translateY(-4px);
}

.app-store-btn img {
  height: 100%;
}

.download-qr {
  display: flex;
  align-items: center;
}

.download-qr img {
  width: 100px;
  height: 100px;
  margin-right: var(--spacing-md);
  background-color: white;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
}

.download-qr p {
  font-size: 1rem;
  margin-bottom: 0;
}

.download-image {
  width: 35%;
  max-width: 350px;
}

/* 页脚样式 */
.footer {
  background-color: #f9fafc;
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.footer-logo img {
  height: 36px;
  margin-right: var(--spacing-sm);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: white;
  border-radius: 50%;
  color: var(--medium-dark);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.social-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.footer-nav {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.footer-nav-column {
  min-width: 180px;
  margin-bottom: var(--spacing-lg);
}

.footer-nav-column h4 {
  color: var(--dark);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
}

.footer-nav-column ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-nav-column ul li a {
  color: var(--medium);
  transition: color var(--transition-fast);
}

.footer-nav-column ul li a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.copyright {
  color: var(--medium);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.footer-language {
  display: flex;
  align-items: center;
}

.footer-language span {
  color: var(--medium);
  margin: 0 var(--spacing-xs);
}

.footer-lang-btn {
  background: none;
  border: none;
  color: var(--medium);
  font-size: 0.9rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.footer-lang-btn:hover, .footer-lang-btn.active {
  color: var(--primary-color);
}

/* 50天计划部分样式 */
.fifty-day-plan {
  background-color: #f9fafc;
  position: relative;
  overflow: hidden;
}

.fifty-day-plan::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -150px;
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, rgba(95, 201, 194, 0.1), rgba(106, 90, 205, 0.1));
  border-radius: 50%;
  z-index: 0;
}

.plan-timeline {
  max-width: 900px;
  margin: var(--spacing-xl) auto var(--spacing-xxl);
  position: relative;
}

.plan-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 45px;
  width: 4px;
  background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
  z-index: 0;
}

.timeline-phase {
  display: flex;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.phase-marker {
  flex-shrink: 0;
  width: 90px;
  position: relative;
  z-index: 1;
}

.phase-marker .phase-number {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(106, 90, 205, 0.3);
}

.phase-content {
  flex: 1;
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.phase-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.phase-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
}

.phase-content p {
  color: var(--medium-dark);
  margin-bottom: var(--spacing-md);
}

.phase-activities {
  list-style-type: none;
}

.phase-activities li {
  padding: var(--spacing-xs) 0;
  color: var(--medium);
  position: relative;
  padding-left: 24px;
}

.phase-activities li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-color: rgba(95, 201, 194, 0.2);
  border-radius: 50%;
}

.phase-activities li::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background-color: var(--secondary-color);
  border-radius: 50%;
}

.plan-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

@media (max-width: 768px) {
  .plan-timeline::before {
    left: 30px;
  }
  
  .phase-marker {
    width: 70px;
  }
  
  .phase-marker .phase-number {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }
  
  .phase-content {
    padding: var(--spacing-md);
  }
}