/* 文档页面样式 */

.doc-container {
  width: 90%;
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5em;
  background: white;
  min-height: 100vh;
}

.doc-container h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #2c3e50;
  margin-bottom: 1.875em;
  padding-bottom: 1.25em;
  border-bottom: 0.1875em solid #667eea;
}

.doc-section {
  margin-bottom: 3.125em;
}

.doc-section h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: #34495e;
  margin-bottom: 1.25em;
  margin-top: 1.875em;
}

.doc-section h3 {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: #667eea;
  margin-bottom: 0.9375em;
  margin-top: 1.5625em;
}

.doc-section h4 {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: #555;
  margin-bottom: 0.625em;
  margin-top: 1.25em;
}

.doc-section p {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  line-height: 1.8;
  color: #555;
  margin-bottom: 0.9375em;
}

.doc-section ul,
.doc-section ol {
  margin-left: 1.875em;
  margin-bottom: 1.25em;
}

.doc-section li {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  line-height: 1.8;
  color: #555;
  margin-bottom: 0.625em;
}

.doc-section a {
  color: #667eea;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.doc-section a:hover {
  border-bottom-color: #667eea;
}

/* 子章节 */
.subsection {
  background: #f8f9fa;
  padding: 1.25em;
  border-radius: 0.5em;
  margin-bottom: 1.25em;
  border-left: 0.25em solid #667eea;
}

/* 高亮框 */
.highlight-box {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1.25em 1.875em;
  border-radius: 0.5em;
  margin: 1.25em 0;
}

.highlight-box h3 {
  color: white;
  margin: 0;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
}

/* 挑战框 */
.challenge-box {
  background: #fff3cd;
  border-left: 0.25em solid #ffc107;
  padding: 1.25em;
  margin-bottom: 1.25em;
  border-radius: 0.25em;
}

.challenge-box h4 {
  color: #856404;
  margin-top: 0;
}

.challenge-box p {
  margin-bottom: 0.625em;
}

.challenge-box strong {
  color: #856404;
}

/* 时间分解图 */
.time-breakdown {
  margin: 1.25em 0;
}

.time-item {
  margin-bottom: 0.9375em;
}

.time-bar {
  height: 1.875em;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  border-radius: 0.25em;
  display: inline-block;
  min-width: 3.125em;
  margin-right: 0.625em;
  vertical-align: middle;
}

.time-label {
  font-size: clamp(0.75rem, 1.2vw, 0.875rem);
  color: #555;
  vertical-align: middle;
}

/* 功能列表 */
.feature-list {
  list-style: none;
  margin-left: 0;
}

.feature-list li {
  padding-left: 1.875em;
  position: relative;
}

.feature-list li::before {
  content: '✅';
  position: absolute;
  left: 0;
  font-size: clamp(0.875rem, 1.2vw, 1rem);
}

/* 响应式 */
@media (max-width: 768px) {
  .doc-container {
    width: 95%;
    padding: 1.25em;
  }
  
  .doc-container h1 {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }
  
  .doc-section h2 {
    font-size: clamp(1.125rem, 4vw, 1.5rem);
  }
  
  .doc-section h3 {
    font-size: clamp(1rem, 3vw, 1.25rem);
  }
  
  .doc-section h4 {
    font-size: clamp(0.875rem, 2.5vw, 1rem);
  }
  
  .doc-section p,
  .doc-section li {
    font-size: clamp(0.75rem, 2vw, 0.875rem);
  }
  
  .time-bar {
    display: block;
    margin-bottom: 0.3125em;
  }
}