/* ========== 全局变量和基础样式 ========== */
:root {
  /* 色彩系统 */
  --primary: #4361ee;
  --primary-dark: #3f37c9;
  --primary-light: #f0f5ff;
  --secondary: #7209b7;
  --accent: #f72585;
  --text: #2b2d42;
  --text-light: #6c757d;
  --white: #ffffff;
  --gray-light: #f8f9fa;
  
  /* 阴影系统 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 15px 35px rgba(0,0,0,0.12);
  
  /* 间距系统 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  /* 过渡效果 */
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: #f9fafb;
    color: #111827;
    line-height: 1.6;
}

.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-decoration {
  position: absolute;
  width: 1200px;
  height: 1200px;
  background: radial-gradient(circle, rgba(67,97,238,0.08) 0%, rgba(67,97,238,0) 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  animation: pulse 15s infinite alternate;
}

/* 卡片样式 */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  transition: var(--transition);
}

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

.feature-hover-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(67,97,238,0.03), rgba(114,9,183,0.03));
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

/* 列表样式 */
.terms-list {
  list-style: none;
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
}

.terms-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.list-icon {
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
  font-size: 1.2rem;
}

/* 页脚区域 */
.section-footer {
  padding: var(--space-lg) 0;
  text-align: center;
  color: var(--text-light);
  font-size: 0.95rem;
  border-top: 1px solid rgba(0,0,0,0.05);
  margin-top: var(--space-xl);
}

.dots-pattern {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(67,97,238,0.1) 1px, transparent 1px);
  background-size: 25px 25px;
  opacity: 0.3;
}

.terms-intro {
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.terms-section {
  padding: 24px 30px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
}

.terms-section:hover {
  background: var(--primary-light);
}

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

@keyframes pulse {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    transform: translate(-50%, -50%) scale(1.1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-25px);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 768px) {
  .terms-list {
    padding-left: 0;
  }
}

.privacy-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

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

.privacy-heading {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.privacy-heading::before {
  content: '';
  width: 24px;
  height: 24px;
  background-color: var(--primary-light);
  border-radius: 50%;
  display: inline-block;
  border: 3px solid var(--primary);
}

.privacy-content {
  line-height: 1.8;
  color: var(--text);
  padding-left: calc(24px + var(--space-md));
}

.privacy-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.privacy-point {
  background: var(--primary-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: var(--transition);
  border-left: 3px solid var(--primary);
}

.privacy-point:hover {
  transform: translateY(-5px);
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.privacy-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: var(--space-sm);
  display: inline-block;
  transition: var(--transition);
}

.privacy-point:hover .privacy-icon {
  transform: scale(1.1);
}

.privacy-point-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
}

.privacy-point-desc {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 列表样式 */
.privacy-list {
  margin: var(--space-lg) 0;
  padding-left: var(--space-md);
  text-align: left;
}

.privacy-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
  line-height: 1.7;
  text-align: left;
  margin-left: 0;
  list-style-position: inside;
  text-indent: -0.7em;
}

.privacy-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
}

.security-measures {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin: var(--space-xl) auto;
  justify-content: center;
  max-width: 800px;
}

.security-badge {
  background: var(--white);
  border-radius: 50px;
  padding: var(--space-sm) var(--space-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--primary-light);
}

.security-badge:hover {
  background: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.security-badge:hover .badge-icon,
.security-badge:hover .badge-text {
  color: var(--white);
}

.badge-icon {
  font-size: 1.2rem;
  color: var(--primary);
  transition: var(--transition);
}

.badge-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--primary);
  transition: var(--transition);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .privacy-section {
    padding: var(--space-lg);
  }
  
  .privacy-points {
    grid-template-columns: 1fr;
  }
  
  .privacy-heading {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .privacy-section {
    padding: var(--space-md);
  }
  
  .privacy-heading {
    font-size: 1.4rem;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  
  .privacy-content {
    padding-left: 0;
  }
}

.contact-section {
  padding: var(--space-xxl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.contact-card-body {
  padding: var(--space-xl);
}

.contact-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-xs);
}

.contact-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.contact-form {
  margin-top: var(--space-lg);
  text-align: left;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--text);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid #e0e0e0;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--white);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.submit-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-method {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  margin-bottom: 20px;
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-align: left;
}

.contact-method:hover {
  background: var(--primary-light);
}

.contact-icon {
  font-size: 1.8rem;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: var(--space-xs);
  width: 50px;
            height: 50px;
}

.contact-method-content {
  flex: 1;
}

.contact-method-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
}

.contact-link {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
}

.contact-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.contact-address {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
}

.contact-hours {
  margin-top: var(--space-xxl);
  padding: var(--space-lg);
  background: var(--primary-light);
  border-radius: var(--radius-sm);
}

.hours-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .contact-card-body {
    padding: var(--space-lg);
  }
}

@media (max-width: 576px) {
  .contact-section {
    padding: var(--space-xl) 0;
  }
  
  .contact-card-body {
    padding: var(--space-md);
  }
  
  .contact-method {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: #f9fafb;
    color: #111827;
    line-height: 1.6;
}

.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0px;
}

.hero-section {
    position: relative;
    height: 250px;
    background: linear-gradient(120deg, #1e40af, #3b82f6);
    border-radius: 30px;
    overflow: hidden;
    margin: 20px 0 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-bg-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
}
.hero-bg-decoration svg {
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}
.hero-icon {
    font-size: 50px;
    color: #fff;
    margin-bottom: 20px;
    opacity: 0.9;
}
.hero-title {
    font-size: 42px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 15px;
    letter-spacing: -1px;
}
.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

.section-header {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.section-number {
    font-size: 32px;
    font-weight: 700;
    color: #3b82f6;
    opacity: 0.1;
}
.section-title {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    position: relative;
    margin-bottom: 0 !important;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: #3b82f6;
    border-radius: 2px;
}

.about-mission {
    background: #fff;
    border-radius: 24px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}
.content-body {
    font-size: 16px;
    color: #475569;
    line-height: 1.8;
}

.feature-card {
    padding: 10px;
}

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

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(59, 130, 246, 0.1);
}
.feature-icon {
    font-size: 32px;
    color: #3b82f6;
    margin-bottom: 15px;
    display: block;
}
.feature-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1e293b;
}
.feature-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.7;
}

.feature-card p {
    font-size: 14px;
}

.team-section {
    background: #fff;
    border-radius: 24px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}
.thank-you {
    margin-top: 25px;
    font-size: 18px;
    font-weight: 500;
    color: #2563eb;
    text-align: center;
}

@media (max-width: 768px) {
    .hero-section {
        margin: 10px 0 20px;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-icon {
        font-size: 40px;
    }
    .section-title {
        font-size: 26px;
    }
    .about-mission, .team-section {
        padding: 30px 20px;
    }
    .features-grid {
        gap: 20px;
    }
}