/* 基础样式 */
:root {
  --primary-color: #8a63d2;
  --secondary-color: #5e8af7;
  --text-primary: #2c3e50;
  --text-secondary: #5d6d7c;
  --text-contrast: #fff;
  --glass-bg: rgba(255,255,255,0.92);
  --glass-border: rgba(255,255,255,0.75);
  --glass-shadow: 0 15px 50px rgba(0,0,0,0.12);
  --card-radius: 16px;
  --transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
  --module-spacing: 3rem;
  --blur-intensity: 12px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: linear-gradient(135deg, #f5f7ff 0%, #eef1f8 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  padding: 0;
  margin: 0;
  overflow-x: hidden;
}
/* 容器样式 */
#docs-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
.docs-container {
  display: flex;
  flex-direction: column;
  gap: var(--module-spacing);
}
/* 头部图像区域 */
.header-image {
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  height: 220px;
  border-radius: var(--card-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}
.header-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Q50,80 0,100 Z" fill="rgba(255,255,255,0.15)"/></svg>");
  background-size: 100% 100%;
}
.header-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
}
.docs-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.docs-description {
  font-size: 1.3rem;
  color: rgba(255,255,255,0.9);
  max-width: 700px;
  margin: 0 auto;
}
/* 搜索区域 */
.search-container {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-intensity));
  -webkit-backdrop-filter: blur(var(--blur-intensity));
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  box-shadow: var(--glass-shadow);
  padding: 1.8rem 2rem;
  margin-bottom: 1.5rem;
  position: relative;
}
.docs-search-container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}
.search-box {
  display: flex;
  background: #fff;
  border-radius: 50px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.08);
  transition: var(--transition);
}
.search-box:hover,
.search-box:focus-within {
  box-shadow: 0 15px 50px rgba(0,0,0,0.15);
  transform: translateY(-3px);
}
.search-box input {
  flex: 1;
  border: none;
  padding: 1.4rem 1.5rem;
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-primary);
  background: rgba(255,255,255,0.95);
  transition: var(--transition);
}
.search-box input::placeholder {
  color: #a0a0a0;
  transition: all 0.3s;
}
.search-box input:focus {
  outline: none;
  background: #fff;
}
.search-box input:focus::placeholder {
  opacity: 0.5;
}
.search-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  border: none;
  padding: 0 2.2rem;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: var(--transition);
  font-size: 1.1rem;
}
.search-btn:hover {
  filter: brightness(1.08);
  padding: 0 2rem 0 2.4rem;
}
/* 功能模块布局 */
.feature-modules {
  margin-top: 1rem;
}
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
}
/* 整体模块容器 */
.module-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--card-radius);
  transition: var(--transition);
  overflow: hidden;
}
.module-container:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 60px rgba(0,0,0,0.18);
}
/* 模块内容区 */
.module-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-intensity));
  -webkit-backdrop-filter: blur(var(--blur-intensity));
  position: relative;
  border-radius: var(--card-radius);
}
/* 功能卡片样式 */
.feature-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-align: center;
}
.card-icon {
  width: 85px;
  height: 85px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(138,99,210,0.15), rgba(94,138,247,0.15));
}
.card-icon i {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.card-title {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.card-subtitle {
  color: var(--secondary-color);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}
.section-divider {
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
  margin: 0 auto 1.8rem;
}
.card-content {
  flex: 1;
  margin-bottom: 1.5rem;
  padding: 0 1.2rem;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
}
.feature-list li {
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
  padding: 0.5rem 0;
  position: relative;
  font-size: 1.05rem;
  line-height: 1.6;
  transition: var(--transition);
}
.feature-list li:before {
  content: '•';
  color: var(--primary-color);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}
.feature-list li:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}
.card-footer {
  margin-top: auto;
  text-align: center;
  padding-top: 1.5rem;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1.8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  transition: var(--transition);
  box-shadow: 0 5px 20px rgba(138,99,210,0.25);
}
.action-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(138,99,210,0.35);
  gap: 1rem;
}
/* 响应式设计 */
@media (max-width: 1200px) {
  .module-grid {
    gap: 1.8rem;
  }
}
@media (max-width: 992px) {
  .module-grid {
    grid-template-columns: 1fr;
    max-width: 700px;
    margin: 0 auto;
    gap: 3rem;
  }
  .module-container {
    margin-bottom: 1rem;
  }
}
@media (max-width: 768px) {
  #docs-page {
    padding: 1.5rem;
  }
  .docs-title {
    font-size: 2.3rem;
  }
  .docs-description {
    font-size: 1.15rem;
  }
  .header-image {
    height: 180px;
  }
  .search-box input {
    padding: 1.2rem 1.5rem;
    font-size: 1rem;
  }
  .search-btn {
    padding: 0 1.5rem;
  }
  .search-btn span {
    display: none;
  }
  .module-content {
    padding: 1.5rem;
  }
}
@media (max-width: 480px) {
  .docs-title {
    font-size: 2rem;
  }
  .docs-description {
    font-size: 1.1rem;
  }
  .header-image {
    height: 160px;
    padding: 1.5rem;
  }
  .search-box input {
    padding: 1.1rem 1.2rem;
  }
  .module-content {
    padding: 1.2rem;
  }
  .card-icon {
    width: 75px;
    height: 75px;
  }
  .card-icon i {
    font-size: 2rem;
  }
}