/* ========================================
   电影取景地旅游 - 全局样式
   www.dianyingjingdi.cn
   ======================================== */

/* CSS 变量 */
:root {
  --accent-color: #00bcd4;
  --accent-dark: #0097a7;
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-card: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #666666;
  --border-color: #2a2a2a;
  --gradient-overlay: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.9) 100%);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
  --transition: all 0.3s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

ul {
  list-style: none;
}

/* ========================================
   页头 Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--text-primary);
}

.nav {
  display: flex;
  gap: 2.5rem;
}

.nav a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
}

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

.nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: var(--transition);
}

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

/* ========================================
   分屏布局 Split Screen
   ======================================== */
.split-section {
  min-height: 100vh;
  padding-top: 70px;
  display: flex;
}

.split-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  min-height: calc(100vh - 70px);
}

.split-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
  overflow: hidden;
}

.split-panel-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: var(--transition);
}

.split-panel:hover .split-panel-bg {
  transform: scale(1.05);
}

.split-panel-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
}

.split-panel-content {
  position: relative;
  z-index: 2;
  max-width: 500px;
}

.split-panel-label {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--accent-color);
  color: var(--bg-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.split-panel-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.split-panel-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.split-panel-desc {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

/* ========================================
   按钮 Button
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 4px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--text-primary);
}

.btn-outline:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* ========================================
   内容区块 Content Section
   ======================================== */
.content-section {
  padding: 5rem 2rem;
  background: var(--bg-secondary);
}

.section-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-secondary);
}

/* ========================================
   三栏网格 Grid
   ======================================== */
.three-col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.col-block {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.col-block-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--accent-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.article-item {
  display: flex;
  gap: 1rem;
  padding: 0.8rem;
  border-radius: 6px;
  transition: var(--transition);
}

.article-item:hover {
  background: rgba(255,255,255,0.05);
}

.article-thumb {
  width: 80px;
  height: 60px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
}

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

.article-title {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-item:hover .article-title {
  color: var(--accent-color);
}

.article-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========================================
   面包屑 Breadcrumb
   ======================================== */
.breadcrumb {
  padding: 1.5rem 2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

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

.breadcrumb-current {
  color: var(--text-primary);
}

/* ========================================
   分类页 Category
   ======================================== */
.category-split {
  min-height: calc(100vh - 70px - 60px);
  padding-top: 0;
}

.category-panel {
  padding: 3rem;
}

.category-header {
  margin-bottom: 2rem;
}

.category-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.category-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.category-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  background: rgba(255,255,255,0.03);
  border-radius: 6px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.category-item:hover {
  background: rgba(0,188,212,0.1);
  border-color: var(--accent-color);
}

.category-item-name {
  font-weight: 500;
}

.category-item-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-primary);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
}

.category-btn {
  margin-top: 2rem;
  text-align: center;
}

/* ========================================
   文章详情页 Article
   ======================================== */
.article-split {
  min-height: calc(100vh - 70px - 60px);
  padding-top: 0;
}

.article-panel {
  padding: 3rem;
  overflow-y: auto;
}

.article-panel-image {
  position: relative;
  padding: 0;
}

.article-panel-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-panel-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
}

.article-header {
  margin-bottom: 2rem;
}

.article-category-tag {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--accent-color);
  color: var(--bg-primary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.article-main-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.article-body {
  color: var(--text-secondary);
  line-height: 1.9;
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body h2 {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.article-body h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin: 1.5rem 0 0.8rem;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-body ul li {
  list-style: disc;
  margin-bottom: 0.5rem;
}

.article-body ol li {
  list-style: decimal;
  margin-bottom: 0.5rem;
}

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

.article-body a {
  color: var(--accent-color);
  text-decoration: underline;
}

/* ========================================
   推荐文章区块
   ======================================== */
.recommended-section {
  background: var(--bg-primary);
  padding: 3rem 2rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.recommended-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.recommended-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
}

.recommended-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.recommended-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.recommended-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-3px);
}

.recommended-card img {
  width: 100px;
  height: 75px;
  border-radius: 4px;
  object-fit: cover;
}

.recommended-card-title {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
}

/* ========================================
   两栏布局 Two Column
   ======================================== */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

/* ========================================
   页脚 Footer
   ======================================== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 2rem;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.footer-logo span {
  color: var(--text-primary);
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-keywords {
  color: var(--text-muted);
  font-size: 0.8rem;
  max-width: 600px;
  text-align: right;
  line-height: 1.5;
}

/* ========================================
   404 页面
   ======================================== */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--bg-primary);
}

.error-container {
  text-align: center;
  max-width: 500px;
}

.error-code {
  font-size: 8rem;
  font-weight: 700;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: 1rem;
  text-shadow: 0 0 40px rgba(0,188,212,0.3);
}

.error-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.error-desc {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

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

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
  .split-container {
    grid-template-columns: 1fr;
  }

  .split-panel {
    min-height: 50vh;
    padding: 3rem 2rem;
  }

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

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

  .recommended-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .header-inner {
    padding: 0 1rem;
    height: 60px;
  }

  .nav {
    gap: 1.2rem;
  }

  .nav a {
    font-size: 0.85rem;
  }

  .split-section {
    padding-top: 60px;
  }

  .split-panel {
    padding: 2rem 1.5rem;
  }

  .split-panel-title {
    font-size: 1.8rem;
  }

  .content-section {
    padding: 3rem 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .col-block {
    padding: 1.5rem;
  }

  .category-panel,
  .article-panel {
    padding: 2rem 1.5rem;
  }

  .article-main-title {
    font-size: 1.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-keywords {
    text-align: center;
  }

  .error-code {
    font-size: 5rem;
  }

  .error-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.2rem;
  }

  .nav {
    gap: 0.8rem;
  }

  .article-item {
    flex-direction: column;
    gap: 0.8rem;
  }

  .article-thumb {
    width: 100%;
    height: 120px;
  }

  .recommended-card {
    flex-direction: column;
    text-align: center;
  }

  .recommended-card img {
    width: 100%;
    height: 120px;
  }
}