/* ============================================
   格斗游戏 - 马赛克杂志风格样式
   主色调: #673ab7 (紫色)
   ============================================ */

/* CSS 变量 */
:root {
  --accent-color: #673ab7;
  --accent-dark: #512da8;
  --accent-light: #9575cd;
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #252542;
  --text-primary: #ffffff;
  --text-secondary: #b8b8d1;
  --text-muted: #7a7a9d;
  --border-color: #3a3a5c;
  --gradient-hero: linear-gradient(135deg, #673ab7 0%, #9c27b0 100%);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 30px rgba(103, 58, 183, 0.3);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* ============================================
   页头样式
   ============================================ */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo::before {
  content: '⚔️';
  font-size: 28px;
}

.nav {
  display: flex;
  gap: 30px;
}

.nav a {
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  position: relative;
}

.nav a:hover,
.nav a.active {
  color: var(--accent-light);
}

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-color);
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border-radius: 20px;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
}

.search-box input {
  background: none;
  border: none;
  color: var(--text-primary);
  outline: none;
  width: 180px;
  font-size: 14px;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box button {
  background: none;
  border: none;
  color: var(--accent-light);
  cursor: pointer;
  font-size: 16px;
}

/* ============================================
   主体容器
   ============================================ */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 20px;
}

/* ============================================
   面包屑导航
   ============================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 25px;
  font-size: 14px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb a:hover {
  color: var(--accent-light);
}

.breadcrumb .separator {
  color: var(--text-muted);
}

.breadcrumb .current {
  color: var(--accent-light);
}

/* ============================================
   马赛克网格布局
   ============================================ */
.mosaic-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 40px;
}

/* 首页网格 */
.home-grid {
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 200px);
  grid-template-areas:
    "headline headline headline sidebar"
    "headline headline headline sidebar"
    "feature story1 story2 sidebar";
}

.headline-card {
  grid-area: headline;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.headline-card .card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.headline-card .card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px;
  background: linear-gradient(transparent, rgba(0,0,0,0.9));
}

.headline-card .card-tag {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.headline-card .card-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 10px;
}

.headline-card .card-meta {
  color: var(--text-secondary);
  font-size: 14px;
}

.sidebar-widgets {
  grid-area: sidebar;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.widget {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-color);
  flex: 1;
}

.widget-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.widget-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.widget-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.widget-item:hover {
  color: var(--text-primary);
}

.widget-item .rank {
  width: 24px;
  height: 24px;
  background: var(--accent-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.widget-item .rank.top {
  background: linear-gradient(135deg, #ffd700, #ff9800);
  color: #1a1a2e;
}

.feature-card {
  grid-area: feature;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
}

.feature-card .card-image {
  width: 100%;
  height: 60%;
  object-fit: cover;
}

.feature-card .card-content {
  padding: 15px;
}

.feature-card .card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.feature-card .card-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.story-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
}

.story-card .card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-card .card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
}

.story-card .card-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

/* ============================================
   分类页网格
   ============================================ */
.category-grid {
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 300px 200px 200px;
  grid-template-areas:
    "hero hero hero sidebar"
    "lead lead item1 item2"
    "item3 item4 item5 item6";
}

.category-hero {
  grid-area: hero;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.category-hero .card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.category-hero .card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px;
  background: linear-gradient(transparent, rgba(0,0,0,0.9));
}

.category-hero .card-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 10px;
}

.category-hero .card-desc {
  color: var(--text-secondary);
  font-size: 16px;
}

.lead-story {
  grid-area: lead;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.lead-story .card-image {
  width: 100%;
  height: 60%;
  object-fit: cover;
}

.lead-story .card-content {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.lead-story .card-tag {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  margin-bottom: 10px;
  width: fit-content;
}

.lead-story .card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.lead-story .card-meta {
  font-size: 13px;
  color: var(--text-muted);
}

.grid-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.grid-item .card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.grid-item .card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 15px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
}

.grid-item .card-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

/* ============================================
   文章页样式
   ============================================ */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 30px;
}

.article-main {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.article-header {
  position: relative;
}

.article-header .header-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.article-header .header-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px;
  background: linear-gradient(transparent, rgba(0,0,0,0.95));
}

.article-header .article-tag {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  padding: 5px 15px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 15px;
}

.article-header .article-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 15px;
}

.article-header .article-meta {
  display: flex;
  gap: 20px;
  color: var(--text-secondary);
  font-size: 14px;
}

.article-content {
  padding: 40px;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 30px 0 15px;
  color: var(--accent-light);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 25px 0 12px;
}

.article-content p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.article-content p strong {
  color: var(--text-primary);
}

.article-content .inline-media {
  margin: 25px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-content .inline-media img {
  width: 100%;
}

.article-content .media-caption {
  background: var(--bg-secondary);
  padding: 12px 15px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.article-sidebar .widget {
  margin-bottom: 20px;
}

.author-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

.author-card:last-child {
  border-bottom: none;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-color);
}

.author-info .author-name {
  font-weight: 600;
  margin-bottom: 3px;
}

.author-info .author-role {
  font-size: 12px;
  color: var(--text-muted);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud .tag {
  background: var(--bg-secondary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.tag-cloud .tag:hover {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

/* ============================================
   推荐文章区块
   ============================================ */
.section {
  margin-bottom: 40px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--accent-color);
  border-radius: 2px;
}

.view-all {
  font-size: 14px;
  color: var(--accent-light);
}

.view-all:hover {
  text-decoration: underline;
}

/* 三列文章列表 */
.three-col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.col-list .col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.col-list .list-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.col-list .list-item:last-child {
  border-bottom: none;
}

.col-list .item-thumb {
  width: 80px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.col-list .item-info {
  flex: 1;
}

.col-list .item-title {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.col-list .item-title:hover {
  color: var(--accent-light);
}

.col-list .item-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* 相关文章横向列表 */
.related-list {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.related-list .related-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.related-list .related-item:hover {
  border-color: var(--accent-color);
}

.related-list .related-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-color);
  border-radius: 50%;
}

/* ============================================
   404页面
   ============================================ */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}

.error-code {
  font-size: 150px;
  font-weight: 900;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 20px;
}

.error-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 15px;
}

.error-desc {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 30px;
  max-width: 400px;
}

.error-actions {
  display: flex;
  gap: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent-color);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-color);
  color: var(--accent-light);
}

/* ============================================
   页脚样式
   ============================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 50px 0 30px;
  margin-top: 60px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 15px;
}

.footer-brand .brand-desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--accent-light);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom .links {
  display: flex;
  gap: 20px;
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--accent-light);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
  .home-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
    grid-template-areas:
      "headline headline"
      "headline headline"
      "feature sidebar"
      "story1 story2";
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
    grid-template-areas:
      "hero hero"
      "lead lead"
      "item1 item2"
      "item3 item4"
      "item5 item6 sidebar";
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .three-col-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 15px 20px;
  }

  .nav {
    order: 3;
    width: 100%;
    margin-top: 15px;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 5px;
  }

  .search-box {
    display: none;
  }

  .home-grid,
  .category-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "headline"
      "sidebar"
      "feature"
      "story1"
      "story2";
  }

  .category-grid {
    grid-template-areas:
      "hero"
      "sidebar"
      "lead"
      "item1"
      "item2"
      "item3"
      "item4"
      "item5"
      "item6";
  }

  .headline-card .card-title {
    font-size: 20px;
  }

  .headline-card .card-overlay {
    padding: 20px;
  }

  .article-header .header-image {
    height: 250px;
  }

  .article-header .article-title {
    font-size: 22px;
  }

  .article-content {
    padding: 25px;
  }

  .article-sidebar {
    grid-template-columns: 1fr;
  }

  .error-code {
    font-size: 100px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
}

/* 卡片悬停效果 */
.headline-card,
.feature-card,
.story-card,
.grid-item,
.lead-story {
  transition: var(--transition);
}

.headline-card:hover,
.feature-card:hover,
.story-card:hover,
.grid-item:hover,
.lead-story:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}