/**
 * AI小说网 - 页面统一样式
 * Material Design 3 设计系统
 * 优化视觉体验和移动端适配
 */

/* ===== 通用页面布局 ===== */
.page-container,
.md-container,
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ===== 页面头部通用样式 ===== */
.page-header,
.md-page-header,
.category-header,
.author-profile-header {
  padding: 2rem 0;
  text-align: center;
  margin-bottom: 2rem;
}

.page-header h1,
.md-page-header h1 {
  color: var(--md-on-surface);
  margin-bottom: 0.5rem;
}

.page-header p,
.md-page-header p {
  color: var(--md-on-surface-variant);
}

/* ===== Hero 区域优化 ===== */
.md-hero {
  background: linear-gradient(135deg, var(--md-primary-container) 0%, var(--md-secondary-container) 100%);
  padding: 3rem 1rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.md-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.md-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.md-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  color: var(--md-on-primary-container);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.md-hero-subtitle {
  font-size: clamp(1.125rem, 3vw, 1.75rem);
  font-weight: 400;
  color: var(--md-on-primary-container);
  margin-bottom: 1rem;
  opacity: 0.95;
}

.md-hero-description {
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  color: var(--md-on-primary-container);
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.md-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 700px;
  margin: 0 auto;
}

.md-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--shape-corner-medium);
  backdrop-filter: blur(4px);
  transition: var(--transition-standard);
}

.md-stat-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.stat-number {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 300;
  color: var(--md-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--md-on-primary-container);
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.25rem;
}

/* ===== 分类区域优化 ===== */
.md-categories-section {
  padding: 3rem 0;
  background-color: var(--md-surface);
}

.md-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
}

.md-category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem;
  background: var(--md-surface-container-low);
  border-radius: var(--shape-corner-large);
  text-align: center;
  text-decoration: none;
  color: var(--md-on-surface);
  box-shadow: var(--shadow-1);
  transition: var(--transition-standard);
  position: relative;
  overflow: hidden;
}

.md-category-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--md-primary);
  opacity: 0;
  transition: var(--transition-standard);
}

.md-category-card:hover {
  box-shadow: var(--shadow-3);
  transform: translateY(-4px);
}

.md-category-card:hover::after {
  opacity: 0.06;
}

.md-category-card:hover .category-name {
  color: var(--md-primary);
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

.category-name {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  position: relative;
  z-index: 1;
  transition: var(--transition-standard);
}

.category-count {
  font-size: 0.75rem;
  color: var(--md-on-surface-variant);
  position: relative;
  z-index: 1;
}

/* ===== 小说卡片优化 ===== */
.novels-section,
.md-featured-section {
  padding: 3rem 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 500;
  color: var(--md-on-surface);
  margin: 0;
}

.view-more {
  color: var(--md-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: var(--shape-corner-full);
  transition: var(--transition-standard);
}

.view-more:hover {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.novels-grid,
.md-novels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.novel-card,
.md-novel-card {
  display: flex;
  flex-direction: column;
  background: var(--md-surface);
  border-radius: var(--shape-corner-medium);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: var(--transition-standard);
  height: 100%;
}

.novel-card:hover,
.md-novel-card:hover {
  box-shadow: var(--shadow-3);
  transform: translateY(-4px);
}

.novel-cover,
.md-novel-cover {
  display: block;
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--md-surface-container);
}

.novel-cover img,
.md-novel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.novel-card:hover .novel-cover img,
.md-novel-card:hover .md-novel-cover img {
  transform: scale(1.05);
}

.cover-placeholder,
.md-cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--md-surface-container) 0%, var(--md-surface-container-high) 100%);
  color: var(--md-on-surface-variant);
}

.novel-info,
.md-card-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.novel-title,
.md-novel-title {
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 0.5rem 0;
  line-height: 1.4;
}

.novel-title a,
.md-novel-title a {
  color: var(--md-on-surface);
  text-decoration: none;
  transition: var(--transition-standard);
}

.novel-title a:hover,
.md-novel-title a:hover {
  color: var(--md-primary);
}

.novel-author,
.md-novel-author {
  font-size: 0.875rem;
  color: var(--md-on-surface-variant);
  margin: 0 0 0.5rem 0;
}

.novel-author a,
.md-novel-author a {
  color: var(--md-primary);
  text-decoration: none;
  font-weight: 500;
}

.novel-author a:hover,
.md-novel-author a:hover {
  text-decoration: underline;
}

.novel-desc,
.md-novel-desc {
  font-size: 0.875rem;
  color: var(--md-on-surface-variant);
  margin: 0 0 0.75rem 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.novel-meta,
.md-novel-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.md-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  border-radius: var(--shape-corner-full);
  font-size: 0.75rem;
  font-weight: 500;
  transition: var(--transition-standard);
}

.md-chip:hover {
  background: var(--md-secondary);
  color: var(--md-on-secondary);
}

.novel-stats,
.md-novel-stats {
  display: flex;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--md-outline-variant);
  margin-top: auto;
}

.stat {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--md-on-surface-variant);
}

/* ===== 特色小说卡片 ===== */
.md-featured-grid {
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.md-novel-card.featured {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0;
}

.md-novel-card.featured .md-novel-cover,
.md-novel-card.featured .novel-cover {
  aspect-ratio: auto;
  height: 100%;
}

.md-novel-card.featured .md-card-content,
.md-novel-card.featured .novel-info {
  padding: 1.25rem;
}

/* ===== 分页样式 ===== */
.pagination,
.md-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.pagination-link,
.md-pagination .md-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.pagination-info,
.md-pagination-info {
  color: var(--md-on-surface-variant);
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  background: var(--md-surface-container);
  border-radius: var(--shape-corner-small);
}

/* ===== 筛选器区域 ===== */
.md-filters-section {
  background-color: var(--md-surface-container-low);
  border-radius: var(--shape-corner-large);
  padding: 1.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-1);
}

.md-filter-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.md-filter-group {
  flex: 1;
  min-width: 180px;
}

.md-filter-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--md-on-surface);
  font-weight: 500;
  font-size: 0.875rem;
}

.md-filter-group .md-text-field-input,
.md-filter-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--md-outline);
  border-radius: var(--shape-corner-small);
  background-color: var(--md-surface);
  color: var(--md-on-surface);
  font-size: 0.875rem;
  transition: var(--transition-standard);
  appearance: none;
  cursor: pointer;
}

.md-filter-group .md-text-field-input:focus,
.md-filter-group select:focus {
  border-color: var(--md-primary);
  outline: none;
  box-shadow: 0 0 0 2px rgba(98, 0, 238, 0.12);
}

/* ===== 空状态 ===== */
.empty-state,
.md-empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--md-surface-container-low);
  border-radius: var(--shape-corner-large);
  margin: 2rem 0;
}

.empty-state-icon,
.md-empty-state-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.6;
}

.empty-state-title,
.md-empty-state-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--md-on-surface);
  margin: 0 0 0.5rem 0;
}

.empty-state-desc,
.md-empty-state-desc,
.md-empty-state-description {
  font-size: 0.875rem;
  color: var(--md-on-surface-variant);
  margin: 0;
}

/* ===== 分类页面头部 ===== */
.category-header {
  padding: 3rem 1rem;
  background: linear-gradient(135deg, var(--md-primary-container) 0%, var(--md-secondary-container) 100%);
  border-radius: var(--shape-corner-large);
  margin-bottom: 2rem;
}

.category-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.category-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 500;
  color: var(--md-on-primary-container);
  margin: 0 0 0.75rem 0;
}

.category-description {
  font-size: 1rem;
  color: var(--md-on-primary-container);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 1rem;
  line-height: 1.6;
}

.category-stats {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.2);
  color: var(--md-on-primary-container);
  border-radius: var(--shape-corner-full);
  font-weight: 500;
  font-size: 0.875rem;
  backdrop-filter: blur(4px);
}

/* ===== 作者页面 ===== */
.author-profile {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  background: var(--md-surface-container-low);
  border-radius: var(--shape-corner-large);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-1);
  align-items: start;
}

.author-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--md-primary-container);
  box-shadow: var(--shadow-2);
  margin: 0 auto;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: var(--md-surface-container);
  color: var(--md-on-surface-variant);
}

.author-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.author-name {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  color: var(--md-on-surface);
  margin: 0;
}

.author-bio {
  font-size: 1rem;
  color: var(--md-on-surface-variant);
  line-height: 1.6;
  margin: 0;
}

.author-stats {
  display: flex;
  gap: 2rem;
  padding: 1rem 0;
  border-top: 1px solid var(--md-outline-variant);
  border-bottom: 1px solid var(--md-outline-variant);
}

.author-stats .stat-item {
  text-align: center;
  flex: 1;
}

.author-stats .stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--md-primary);
}

.author-stats .stat-label {
  font-size: 0.75rem;
  color: var(--md-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.author-links {
  margin-top: 0.5rem;
}

.author-works {
  background: var(--md-surface-container-low);
  border-radius: var(--shape-corner-large);
  padding: 2rem;
  box-shadow: var(--shadow-1);
}

.work-count {
  font-size: 0.75rem;
  color: var(--md-on-surface-variant);
  background: var(--md-surface-container);
  padding: 0.25rem 0.75rem;
  border-radius: var(--shape-corner-full);
}

/* ===== 404 页面 ===== */
.error-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 2rem 0;
}

.error-content {
  text-align: center;
  max-width: 500px;
  background: var(--md-surface-container-low);
  border-radius: var(--shape-corner-extra-large);
  padding: 3rem 2rem;
  box-shadow: var(--shadow-2);
}

.error-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.7;
}

.error-title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 300;
  color: var(--md-primary);
  margin: 0 0 0.5rem 0;
  line-height: 1;
}

.error-subtitle {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--md-on-surface);
  margin: 0 0 0.75rem 0;
}

.error-message {
  font-size: 1rem;
  color: var(--md-on-surface-variant);
  margin: 0 0 2rem 0;
  line-height: 1.6;
}

.error-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.error-suggestions {
  padding-top: 2rem;
  border-top: 1px solid var(--md-outline-variant);
}

.error-suggestions h3 {
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 1rem 0;
  color: var(--md-on-surface);
}

.suggestion-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.suggestion-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  border-radius: var(--shape-corner-full);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-standard);
  border: 1px solid var(--md-outline-variant);
}

.suggestion-links a:hover {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  border-color: var(--md-primary-container);
  transform: translateY(-2px);
}

/* ===== API 区域 ===== */
.api-section {
  background: var(--md-surface-container-low);
  padding: 3rem 0;
}

.api-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.api-content p {
  color: var(--md-on-surface-variant);
  margin-bottom: 1rem;
}

.code-block {
  background: var(--md-grey-900);
  color: #e0e0e0;
  padding: 1.25rem;
  border-radius: var(--shape-corner-medium);
  margin: 1.5rem 0;
  text-align: left;
  overflow-x: auto;
  box-shadow: var(--shadow-2);
}

.code-block code {
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ===== 小说详情页 ===== */
.md-novel-meta {
  display: flex;
  gap: 1rem;
  margin: 1rem 0;
  padding: 1rem;
  background: var(--md-surface-container);
  border-radius: var(--shape-corner-medium);
  flex-wrap: wrap;
}

.md-button-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

/* ===== 章节列表 ===== */
.md-chapters-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.md-chapter-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--shape-corner-small);
  text-decoration: none;
  color: inherit;
  transition: var(--transition-standard);
  gap: 1rem;
}

.md-chapter-item:hover {
  background: var(--md-surface-container);
  border-color: var(--md-primary);
}

.md-chapter-info {
  flex: 1;
  min-width: 0;
}

.md-chapter-number {
  font-weight: 500;
  color: var(--md-primary);
  font-size: 0.875rem;
}

.md-chapter-title {
  margin: 0.25rem 0 0 0;
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--md-on-surface);
}

.md-chapter-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  flex-shrink: 0;
}

/* ===== 搜索页面 ===== */
.md-search-section {
  margin-bottom: 2rem;
}

.md-search-form {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.md-search-form .md-text-field {
  position: relative;
  width: 100%;
}

.md-search-form .md-text-field-input {
  width: 100%;
  padding: 1rem 3rem 1rem 1.25rem;
  border: 2px solid var(--md-outline);
  border-radius: var(--shape-corner-extra-large);
  background: var(--md-surface);
  font-size: 1rem;
  transition: var(--transition-standard);
}

.md-search-form .md-text-field-input:focus {
  border-color: var(--md-primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(98, 0, 238, 0.12);
}

.search-submit-button {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--md-primary);
  color: var(--md-on-primary);
  border-radius: var(--shape-corner-full);
}

.md-results-info {
  text-align: center;
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--md-surface-container-low);
  border-radius: var(--shape-corner-medium);
}

/* ===== 热门搜索和最近搜索 ===== */
.md-popular-searches,
.md-recent-searches {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--md-surface-container-low);
  border-radius: var(--shape-corner-large);
}

.md-section-title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--md-on-surface);
  margin: 0 0 1rem 0;
}

.md-chip-set {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.md-chip-set .md-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  border-radius: var(--shape-corner-full);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-standard);
  border: 1px solid transparent;
}

.md-chip-set .md-chip:hover {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.chip-icon {
  font-size: 1rem;
}

/* ===== 搜索建议 ===== */
.md-search-suggestions {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--md-outline-variant);
}

.md-search-suggestions h4 {
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 1rem 0;
  color: var(--md-on-surface);
}

/* ===== 排行榜页面优化 ===== */
.rankings-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--md-surface);
  border-radius: var(--shape-corner-large);
  padding: 1rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-1);
  gap: 1rem;
  flex-wrap: wrap;
}

.md-segmented-button-set {
  display: flex;
  background: var(--md-surface-container);
  border-radius: var(--shape-corner-extra-large);
  padding: 4px;
  gap: 4px;
  flex-wrap: wrap;
}

.md-segmented-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--shape-corner-full);
  font-size: 0.875rem;
  font-weight: 500;
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: var(--transition-standard);
  white-space: nowrap;
}

.md-segmented-button:hover {
  background-color: rgba(30, 25, 43, 0.08);
  color: var(--md-on-surface);
}

.md-segmented-button.selected {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  box-shadow: var(--shadow-1);
}

.time-filter {
  flex-shrink: 0;
}

.md-outlined-select {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.md-select {
  appearance: none;
  width: 100%;
  padding: 0.75rem 2.5rem 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--md-on-surface);
  background: var(--md-surface);
  border: 1px solid var(--md-outline);
  border-radius: var(--shape-corner-small);
  outline: none;
  transition: var(--transition-standard);
  cursor: pointer;
}

.md-select:hover {
  border-color: var(--md-primary);
}

.md-select:focus {
  border-color: var(--md-primary);
  box-shadow: 0 0 0 2px rgba(98, 0, 238, 0.12);
}

.md-select-icon {
  position: absolute;
  right: 12px;
  color: var(--md-on-surface-variant);
  pointer-events: none;
  font-size: 1.25rem;
}

.rankings-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ranking-item {
  display: grid;
  grid-template-columns: 50px 70px 1fr auto;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--md-surface);
  border-radius: var(--shape-corner-medium);
  box-shadow: var(--shadow-1);
  transition: var(--transition-standard);
  align-items: center;
}

.ranking-item:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.rank-number {
  display: flex;
  justify-content: center;
  align-items: center;
}

.rank-medal {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  border-radius: var(--shape-corner-full);
  font-weight: 500;
  font-size: 0.875rem;
}

.rank-1 {
  background: linear-gradient(135deg, #ffd700, #ffb300);
  color: #000;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
}

.rank-2 {
  background: linear-gradient(135deg, #e0e0e0, #bdbdbd);
  color: #000;
  box-shadow: 0 2px 8px rgba(189, 189, 189, 0.4);
}

.rank-3 {
  background: linear-gradient(135deg, #cd7f32, #a0522d);
  color: #fff;
  box-shadow: 0 2px 8px rgba(205, 127, 50, 0.4);
}

.rank-normal {
  background: var(--md-surface-container);
  color: var(--md-on-surface-variant);
}

.novel-cover-small {
  width: 50px;
  height: 70px;
  border-radius: var(--shape-corner-small);
  overflow: hidden;
  display: block;
  flex-shrink: 0;
}

.novel-cover-small img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cover-placeholder-small {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--md-surface-container);
  color: var(--md-on-surface-variant);
}

.novel-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.novel-details .novel-title {
  font-size: 1rem;
  font-weight: 500;
  margin: 0;
}

.novel-details .novel-author {
  font-size: 0.8125rem;
  margin: 0;
}

.novel-category {
  display: inline-block;
  font-size: 0.6875rem;
  padding: 0.25rem 0.5rem;
  background: var(--md-primary);
  color: var(--md-on-primary);
  border-radius: var(--shape-corner-small);
  font-weight: 500;
  text-transform: uppercase;
  align-self: flex-start;
}

.novel-details .novel-desc {
  font-size: 0.8125rem;
  margin: 0.25rem 0 0 0;
  line-height: 1.4;
}

.novel-stats-large {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
}

.stat-item-large {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
}

.stat-icon {
  font-size: 1rem;
}

.stat-value {
  font-weight: 500;
  color: var(--md-on-surface-variant);
}

/* ===== 按钮通用样式 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--shape-corner-full);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-standard);
  border: none;
}

.btn-primary {
  background: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: var(--shadow-1);
}

.btn-primary:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.btn-secondary:hover {
  background: var(--md-secondary);
  color: var(--md-on-secondary);
}

/* ===== 主内容区域 ===== */
.md-main-content {
  min-height: calc(100vh - 64px - 200px);
  padding-bottom: 1rem;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .novels-grid,
  .md-novels-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  .md-featured-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Hero 区域移动端优化 */
  .md-hero {
    padding: 2rem 1rem;
  }

  .md-hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .md-stat-item {
    padding: 0.75rem;
  }

  /* 分类网格移动端优化 */
  .md-categories-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.75rem;
  }

  .md-category-card {
    padding: 1.25rem 0.75rem;
  }

  .category-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
  }

  /* 小说网格移动端优化 */
  .novels-grid,
  .md-novels-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
  }

  /* 特色卡片移动端优化 */
  .md-novel-card.featured {
    grid-template-columns: 1fr;
  }

  .md-novel-card.featured .md-novel-cover,
  .md-novel-card.featured .novel-cover {
    aspect-ratio: 3/4;
    height: auto;
    max-height: 250px;
  }

  /* 筛选器移动端优化 */
  .md-filter-row {
    flex-direction: column;
    gap: 0.75rem;
  }

  .md-filter-group {
    min-width: auto;
  }

  /* 分页移动端优化 */
  .pagination,
  .md-pagination {
    flex-direction: column;
    gap: 0.75rem;
  }

  /* 作者页面移动端优化 */
  .author-profile {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 1.5rem;
  }

  .author-avatar {
    width: 120px;
    height: 120px;
  }

  .author-stats {
    justify-content: center;
    gap: 1.5rem;
  }

  .author-stats .stat-item {
    min-width: 80px;
  }

  /* 分类页面移动端优化 */
  .category-header {
    padding: 2rem 1rem;
  }

  .category-icon {
    font-size: 3rem;
  }

  /* 排行榜移动端优化 */
  .rankings-nav {
    flex-direction: column;
    gap: 1rem;
  }

  .md-segmented-button-set {
    width: 100%;
    justify-content: center;
  }

  .md-segmented-button {
    flex: 1;
    min-width: 0;
    padding: 8px 12px;
    font-size: 0.75rem;
  }

  .ranking-item {
    grid-template-columns: 40px 60px 1fr;
    gap: 0.75rem;
    padding: 1rem;
  }

  .novel-stats-large {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: center;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--md-outline-variant);
  }

  .time-filter {
    width: 100%;
  }

  .md-outlined-select {
    width: 100%;
  }

  /* 章节列表移动端优化 */
  .md-chapter-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .md-chapter-meta {
    align-items: flex-start;
    flex-direction: row;
    gap: 1rem;
    width: 100%;
  }

  /* 搜索页面移动端优化 */
  .md-search-form {
    max-width: 100%;
  }

  .md-popular-searches,
  .md-recent-searches {
    padding: 1rem;
  }

  .md-chip-set {
    gap: 0.5rem;
  }

  .md-chip-set .md-chip {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
  }

  /* 404页面移动端优化 */
  .error-content {
    padding: 2rem 1.5rem;
  }

  .error-title {
    font-size: 4rem;
  }

  .error-actions {
    flex-direction: column;
    align-items: center;
  }

  .error-actions .btn {
    width: 100%;
    max-width: 200px;
  }

  .suggestion-links {
    gap: 0.5rem;
  }

  .suggestion-links a {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  /* 超小屏幕优化 */
  .md-hero-title {
    font-size: 1.75rem;
  }

  .md-hero-subtitle {
    font-size: 1rem;
  }

  .md-hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .stat-number {
    font-size: 1.25rem;
  }

  .stat-label {
    font-size: 0.6875rem;
  }

  /* 小说网格超小屏幕 */
  .novels-grid,
  .md-novels-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .novel-info,
  .md-card-content {
    padding: 0.75rem;
  }

  .novel-title,
  .md-novel-title {
    font-size: 0.875rem;
  }

  .novel-desc,
  .md-novel-desc {
    font-size: 0.75rem;
    -webkit-line-clamp: 2;
  }

  .novel-stats,
  .md-novel-stats {
    gap: 0.5rem;
    flex-wrap: wrap;
  }

  .stat {
    font-size: 0.6875rem;
  }

  /* 分类网格超小屏幕 */
  .md-categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .md-category-card {
    padding: 1rem 0.5rem;
  }

  .category-icon {
    font-size: 1.75rem;
  }

  .category-name {
    font-size: 0.875rem;
  }

  /* 排行榜超小屏幕 */
  .ranking-item {
    grid-template-columns: 35px 50px 1fr;
    padding: 0.75rem;
  }

  .rank-medal {
    min-width: 32px;
    height: 32px;
    font-size: 0.75rem;
  }

  .novel-cover-small {
    width: 45px;
    height: 60px;
  }

  /* 按钮超小屏幕 */
  .btn {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
  }

  .md-button {
    padding: 8px 16px;
    min-height: 36px;
    font-size: 0.75rem;
  }
}

/* ===== 触摸设备优化 ===== */
@media (hover: none) {
  /* 移除悬停效果，优化触摸体验 */
  .novel-card:hover,
  .md-novel-card:hover,
  .md-category-card:hover,
  .ranking-item:hover {
    transform: none;
  }

  /* 增加触摸目标大小 */
  .md-segmented-button,
  .md-chip,
  .suggestion-links a {
    min-height: 44px;
  }

  /* 优化触摸反馈 */
  .md-category-card:active,
  .novel-card:active,
  .md-novel-card:active {
    background: var(--md-surface-container-high);
    transform: scale(0.98);
  }
}

/* ===== 深色模式完整支持 ===== */
@media (prefers-color-scheme: dark) {
  /* Hero 区域深色模式 */
  .md-hero {
    background: linear-gradient(135deg, var(--md-primary-container) 0%, var(--md-secondary-container) 100%);
  }

  .md-hero::before {
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 60%),
                radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 40%);
  }

  .md-hero-title,
  .md-hero-subtitle,
  .md-hero-description {
    color: var(--md-on-primary-container);
  }

  .md-stat-item {
    background: rgba(255, 255, 255, 0.08);
  }

  .md-stat-item:hover {
    background: rgba(255, 255, 255, 0.12);
  }

  .stat-number {
    color: var(--md-primary);
  }

  .stat-label {
    color: var(--md-on-primary-container);
  }

  /* 分类区域深色模式 */
  .md-categories-section {
    background-color: var(--md-surface);
  }

  .md-category-card {
    background: var(--md-surface-container-low);
    box-shadow: var(--shadow-1);
  }

  .md-category-card:hover {
    box-shadow: var(--shadow-3);
  }

  .md-category-card::after {
    background: var(--md-primary);
  }

  .md-category-card:hover .category-name {
    color: var(--md-primary);
  }

  .category-icon {
    opacity: 1;
  }

  .category-name {
    color: var(--md-on-surface);
  }

  .category-count {
    color: var(--md-on-surface-variant);
  }

  /* 小说卡片深色模式 */
  .novels-section,
  .md-featured-section {
    background-color: var(--md-surface);
  }

  .section-title {
    color: var(--md-on-surface);
  }

  .view-more {
    color: var(--md-primary);
  }

  .view-more:hover {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
  }

  .novel-card,
  .md-novel-card {
    background: var(--md-surface-container-low);
    box-shadow: var(--shadow-1);
  }

  .novel-card:hover,
  .md-novel-card:hover {
    box-shadow: var(--shadow-3);
  }

  .novel-cover,
  .md-novel-cover {
    background: var(--md-surface-container);
  }

  .cover-placeholder,
  .md-cover-placeholder {
    background: linear-gradient(135deg, var(--md-surface-container) 0%, var(--md-surface-container-high) 100%);
    color: var(--md-on-surface-variant);
  }

  .novel-title a,
  .md-novel-title a {
    color: var(--md-on-surface);
  }

  .novel-title a:hover,
  .md-novel-title a:hover {
    color: var(--md-primary);
  }

  .novel-author,
  .md-novel-author {
    color: var(--md-on-surface-variant);
  }

  .novel-desc,
  .md-novel-desc {
    color: var(--md-on-surface-variant);
  }

  .novel-stats,
  .md-novel-stats {
    border-top-color: var(--md-outline-variant);
  }

  .stat {
    color: var(--md-on-surface-variant);
  }

  .md-chip {
    background: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
  }

  .md-chip:hover {
    background: var(--md-secondary);
    color: var(--md-on-secondary);
  }

  /* 分页深色模式 */
  .pagination-info,
  .md-pagination-info {
    background: var(--md-surface-container);
    color: var(--md-on-surface-variant);
  }

  /* 筛选器深色模式 */
  .md-filters-section {
    background-color: var(--md-surface-container-low);
    box-shadow: var(--shadow-1);
  }

  .md-filter-group label {
    color: var(--md-on-surface);
  }

  .md-filter-group .md-text-field-input,
  .md-filter-group select {
    background-color: var(--md-surface);
    border-color: var(--md-outline);
    color: var(--md-on-surface);
  }

  .md-filter-group .md-text-field-input:focus,
  .md-filter-group select:focus {
    border-color: var(--md-primary);
    box-shadow: 0 0 0 2px rgba(208, 188, 255, 0.2);
  }

  /* 空状态深色模式 */
  .empty-state,
  .md-empty-state {
    background: var(--md-surface-container-low);
  }

  .empty-state-icon,
  .md-empty-state-icon {
    opacity: 0.7;
  }

  .empty-state-title,
  .md-empty-state-title {
    color: var(--md-on-surface);
  }

  .empty-state-desc,
  .md-empty-state-desc,
  .md-empty-state-description {
    color: var(--md-on-surface-variant);
  }

  /* 分类页面头部深色模式 */
  .category-header {
    background: linear-gradient(135deg, var(--md-primary-container) 0%, var(--md-secondary-container) 100%);
  }

  .category-icon {
    opacity: 1;
  }

  .category-title {
    color: var(--md-on-primary-container);
  }

  .category-description {
    color: var(--md-on-primary-container);
  }

  .stat-badge {
    background: rgba(255, 255, 255, 0.15);
    color: var(--md-on-primary-container);
  }

  /* 作者页面深色模式 */
  .author-profile {
    background: var(--md-surface-container-low);
    box-shadow: var(--shadow-1);
  }

  .author-avatar {
    border-color: var(--md-primary-container);
    box-shadow: var(--shadow-2);
  }

  .avatar-placeholder {
    background: var(--md-surface-container);
    color: var(--md-on-surface-variant);
  }

  .author-name {
    color: var(--md-on-surface);
  }

  .author-bio {
    color: var(--md-on-surface-variant);
  }

  .author-stats {
    border-top-color: var(--md-outline-variant);
    border-bottom-color: var(--md-outline-variant);
  }

  .author-stats .stat-number {
    color: var(--md-primary);
  }

  .author-stats .stat-label {
    color: var(--md-on-surface-variant);
  }

  .author-works {
    background: var(--md-surface-container-low);
    box-shadow: var(--shadow-1);
  }

  .work-count {
    background: var(--md-surface-container);
    color: var(--md-on-surface-variant);
  }

  /* 404 页面深色模式 */
  .error-content {
    background: var(--md-surface-container-low);
    box-shadow: var(--shadow-2);
  }

  .error-icon {
    opacity: 0.8;
  }

  .error-title {
    color: var(--md-primary);
  }

  .error-subtitle {
    color: var(--md-on-surface);
  }

  .error-message {
    color: var(--md-on-surface-variant);
  }

  .error-suggestions {
    border-top-color: var(--md-outline-variant);
  }

  .error-suggestions h3 {
    color: var(--md-on-surface);
  }

  .suggestion-links a {
    background: var(--md-surface-container);
    color: var(--md-on-surface);
    border-color: var(--md-outline-variant);
  }

  .suggestion-links a:hover {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    border-color: var(--md-primary-container);
  }

  /* API 区域深色模式 */
  .api-section {
    background: var(--md-surface-container-low);
  }

  .api-content p {
    color: var(--md-on-surface-variant);
  }

  .code-block {
    background: #1e1e1e;
    border: 1px solid var(--md-outline-variant);
    box-shadow: var(--shadow-2);
  }

  /* 小说详情页深色模式 */
  .md-novel-meta {
    background: var(--md-surface-container);
  }

  /* 章节列表深色模式 */
  .md-chapter-item {
    border-color: var(--md-outline-variant);
  }

  .md-chapter-item:hover {
    background: var(--md-surface-container);
    border-color: var(--md-primary);
  }

  .md-chapter-number {
    color: var(--md-primary);
  }

  .md-chapter-title {
    color: var(--md-on-surface);
  }

  /* 搜索页面深色模式 */
  .md-search-form .md-text-field-input {
    background: var(--md-surface);
    border-color: var(--md-outline);
    color: var(--md-on-surface);
  }

  .md-search-form .md-text-field-input:focus {
    border-color: var(--md-primary);
    box-shadow: 0 0 0 4px rgba(208, 188, 255, 0.15);
  }

  .search-submit-button {
    background: var(--md-primary);
    color: var(--md-on-primary);
  }

  .md-results-info {
    background: var(--md-surface-container-low);
  }

  /* 热门搜索和最近搜索深色模式 */
  .md-popular-searches,
  .md-recent-searches {
    background: var(--md-surface-container-low);
  }

  .md-section-title {
    color: var(--md-on-surface);
  }

  .md-chip-set .md-chip {
    background: var(--md-surface-container);
    color: var(--md-on-surface);
  }

  .md-chip-set .md-chip:hover {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
  }

  /* 搜索建议深色模式 */
  .md-search-suggestions {
    border-top-color: var(--md-outline-variant);
  }

  .md-search-suggestions h4 {
    color: var(--md-on-surface);
  }

  /* 排行榜页面深色模式 */
  .rankings-nav {
    background: var(--md-surface);
    box-shadow: var(--shadow-1);
  }

  .md-segmented-button-set {
    background: var(--md-surface-container);
  }

  .md-segmented-button {
    color: var(--md-on-surface-variant);
  }

  .md-segmented-button:hover {
    background-color: rgba(208, 188, 255, 0.08);
    color: var(--md-on-surface);
  }

  .md-segmented-button.selected {
    background-color: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
  }

  .md-select {
    background: var(--md-surface);
    border-color: var(--md-outline);
    color: var(--md-on-surface);
  }

  .md-select:hover {
    border-color: var(--md-primary);
  }

  .md-select:focus {
    border-color: var(--md-primary);
    box-shadow: 0 0 0 2px rgba(208, 188, 255, 0.2);
  }

  .md-select-icon {
    color: var(--md-on-surface-variant);
  }

  .ranking-item {
    background: var(--md-surface-container-low);
    box-shadow: var(--shadow-1);
  }

  .ranking-item:hover {
    box-shadow: var(--shadow-2);
  }

  .rank-normal {
    background: var(--md-surface-container);
    color: var(--md-on-surface-variant);
  }

  .novel-cover-small {
    background: var(--md-surface-container);
  }

  .cover-placeholder-small {
    background: var(--md-surface-container);
    color: var(--md-on-surface-variant);
  }

  .novel-details .novel-title {
    color: var(--md-on-surface);
  }

  .novel-details .novel-author {
    color: var(--md-on-surface-variant);
  }

  .novel-category {
    background: var(--md-primary);
    color: var(--md-on-primary);
  }

  .novel-details .novel-desc {
    color: var(--md-on-surface-variant);
  }

  .stat-item-large {
    color: var(--md-on-surface-variant);
  }

  .stat-value {
    color: var(--md-on-surface-variant);
  }

  /* 按钮深色模式 */
  .btn-primary {
    background: var(--md-primary);
    color: var(--md-on-primary);
  }

  .btn-primary:hover {
    box-shadow: var(--shadow-2);
  }

  .btn-secondary {
    background: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
  }

  .btn-secondary:hover {
    background: var(--md-secondary);
    color: var(--md-on-secondary);
  }

  /* 主内容区域深色模式 */
  .md-main-content {
    background-color: var(--md-surface);
  }

  /* 分割线深色模式 */
  .md-divider {
    background-color: var(--md-outline-variant);
  }
}

/* ===== 深色模式下代码块优化 ===== */
@media (prefers-color-scheme: dark) {
  .code-block {
    background: #1e1e1e;
    border: 1px solid var(--md-outline-variant);
  }
}

/* ===== 动画效果 ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.md-novels-grid > *,
.md-categories-grid > * {
  animation: fadeIn 0.3s ease-out;
}

.md-novels-grid > *:nth-child(1) { animation-delay: 0.05s; }
.md-novels-grid > *:nth-child(2) { animation-delay: 0.1s; }
.md-novels-grid > *:nth-child(3) { animation-delay: 0.15s; }
.md-novels-grid > *:nth-child(4) { animation-delay: 0.2s; }
.md-novels-grid > *:nth-child(5) { animation-delay: 0.25s; }
.md-novels-grid > *:nth-child(6) { animation-delay: 0.3s; }

/* ===== 打印样式 ===== */
@media print {
  .md-hero,
  .rankings-nav,
  .md-filters-section,
  .pagination,
  .md-pagination,
  .error-actions,
  .suggestion-links {
    display: none !important;
  }

  .novel-card,
  .md-novel-card,
  .md-category-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
}