/* Research Page Styles */

.research-page {
  min-height: 100vh;
  background: #fafafa;
  display: flex;
  flex-direction: column;
}

/* Navigation */
.research-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding: 16px 48px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.research-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.research-back-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 14px;
  color: #666;
  transition: all 0.2s ease;
}

.research-back-btn:hover {
  background: rgba(179, 122, 76, 0.08);
  border-color: rgba(179, 122, 76, 0.3);
  color: #1a1a1a;
  transform: translateX(-2px);
}

.research-nav-title {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  letter-spacing: -0.02em;
}

/* Main Content */
.research-main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 48px;
}

.research-content {
  background: white;
  border-radius: 12px;
  padding: 48px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  line-height: 1.6;
  color: #1a1a1a;
}

/* 确保research.html中的内容样式正确显示 */
.research-content h1,
.research-content h2,
.research-content h3 {
  color: #1a1a1a;
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
}

.research-content h1 {
  font-size: 32px;
  border-bottom: 2px solid rgba(179, 122, 76, 0.2);
  padding-bottom: 12px;
}

.research-content h2 {
  font-size: 24px;
}

.research-content h3 {
  font-size: 20px;
}

.research-content p {
  margin-bottom: 16px;
  color: #333;
}

.research-content a {
  color: #B37A4C;
  text-decoration: none;
  transition: color 0.2s ease;
}

.research-content a:hover {
  color: #9D6B42;
  text-decoration: underline;
}

.research-content ul,
.research-content ol {
  margin: 16px 0;
  padding-left: 24px;
}

.research-content li {
  margin-bottom: 8px;
}

.research-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.research-content th,
.research-content td {
  border: 1px solid #e5e7eb;
  padding: 12px;
  text-align: left;
}

.research-content th {
  background: rgba(179, 122, 76, 0.1);
  font-weight: 600;
}

/* Source Attribution */
.research-source {
  margin-top: 48px;
  padding-top: 24px;
}

.source-divider {
  height: 1px;
  background: rgba(0, 0, 0, 0.1);
  margin-bottom: 16px;
}

.source-text {
  font-size: 14px;
  color: #666;
  text-align: center;
  font-style: italic;
}

.source-link {
  color: #B37A4C;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.source-link:hover {
  color: #9D6B42;
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .research-nav {
    padding: 12px 24px;
  }

  .research-nav-container {
    gap: 16px;
  }

  .research-back-btn {
    padding: 6px 12px;
    font-size: 13px;
  }

  .research-back-btn span {
    display: none;
  }

  .research-main {
    padding: 24px;
  }

  .research-content {
    padding: 24px;
  }

  .research-content h1 {
    font-size: 24px;
  }

  .research-content h2 {
    font-size: 20px;
  }

  .research-content h3 {
    font-size: 18px;
  }
}