/* ==========================================================================
   旅游攻略模板全局样式表
   ========================================================================== */

:root {
  --primary: #2563eb;         /* 主色：海洋清爽蓝 */
  --primary-hover: #1d4ed8;
  --accent: #f97316;          /* 强调色：马蜂窝/携程活力橙 */
  --accent-hover: #ea580c;
  --success: #10b981;
  --warning: #f59e0b;
  --dark: #0f172a;
  --dark-sub: #334155;
  --gray-text: #64748b;
  --light-bg: #f8fafc;
  --border-color: #e2e8f0;
  --card-bg: #ffffff;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础重置 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  background-color: var(--light-bg);
  color: var(--dark);
  line-height: 1.6;
  font-size: 15px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

ul, ol {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   头部导航栏 Header & Navbar
   ========================================================================== */
.site-header {
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.site-header .container {
  max-width: 1480px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 18px;
}

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 auto;
  min-width: 0;
  max-width: clamp(260px, 28vw, 560px);
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.brand-logo i {
  flex: 0 0 auto;
  font-size: 28px;
  color: var(--accent);
}

.brand-logo .js-site-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.18;
}

.brand-logo.has-long-name span.tagline {
  display: none;
}

.brand-logo span.tagline {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-text);
  margin-left: 4px;
  padding-left: 10px;
  border-left: 1px solid var(--border-color);
}

/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: clamp(14px, 1.4vw, 26px);
  min-width: 0;
}

.nav-item {
  flex: 0 0 auto;
  min-width: 0;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark-sub);
  padding: 8px 0;
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-item:hover, .nav-item.active {
  color: var(--primary);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary);
  border-radius: 3px;
}

/* 头部搜索框 */
.header-search {
  position: relative;
  flex: 0 1 230px;
  width: auto;
  min-width: 170px;
  max-width: 240px;
}

.header-search input {
  width: 100%;
  padding: 8px 16px 8px 38px;
  background-color: #f1f5f9;
  border-radius: 20px;
  font-size: 14px;
  transition: var(--transition);
  border: 1px solid transparent;
}

.header-search input:focus {
  background-color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  width: 100%;
}

.header-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-text);
  font-size: 14px;
}

/* 用户操作区 */
.user-actions {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
}

.btn-publish {
  background: linear-gradient(135deg, var(--accent), #ff9800);
  color: #ffffff;
  padding: 9px 20px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  white-space: nowrap;
  gap: 8px;
  box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
  transition: var(--transition);
}

.btn-publish:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(249, 115, 22, 0.4);
}

.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 10px 4px 4px;
  border-radius: 30px;
  background-color: #f1f5f9;
  white-space: nowrap;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.user-profile-btn:hover {
  background-color: #e2e8f0;
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #ffffff;
}

.user-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}

/* 通用按钮组件 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-secondary {
  background: #eef2ff;
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.18);
}

.btn-secondary:hover {
  background: #dbeafe;
  border-color: rgba(37, 99, 235, 0.28);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--dark-sub);
}

.btn-outline:hover {
  background-color: #f1f5f9;
  border-color: var(--gray-text);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
  border-radius: 4px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   首页 Hero & 分类 Section
   ========================================================================== */
.hero-banner {
  position: relative;
  height: 420px;
  background:
    radial-gradient(circle at 20% 20%, rgba(96, 165, 250, 0.35), transparent 28%),
    radial-gradient(circle at 80% 30%, rgba(249, 115, 22, 0.28), transparent 24%),
    linear-gradient(135deg, #0f172a 0%, #1d4ed8 58%, #0f766e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  text-align: center;
  margin-bottom: 40px;
}

.hero-content h1 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 18px;
  opacity: 0.95;
  margin-bottom: 30px;
  font-weight: 300;
}

/* 大号搜索框 */
.main-search-box {
  background-color: #ffffff;
  padding: 8px;
  border-radius: 35px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  max-width: 680px;
  margin: 0 auto;
}

.main-search-box input {
  flex: 1;
  padding: 12px 24px;
  font-size: 16px;
  color: var(--dark);
}

.main-search-box button {
  background-color: var(--accent);
  color: #ffffff;
  padding: 12px 32px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.main-search-box button:hover {
  background-color: var(--accent-hover);
}

/* 分类区块 (4-5核心分类) */
.section-title-wrap {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
}

.section-title-wrap h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title-wrap h2 i {
  color: var(--primary);
}

.section-title-wrap p {
  color: var(--gray-text);
  font-size: 14px;
  margin-top: 4px;
}

.more-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.more-link:hover {
  gap: 8px;
  color: var(--primary-hover);
}

/* 攻略分类卡片网格 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}

.category-card {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.category-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 14px;
  transition: var(--transition);
}

.category-card:hover .category-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #ffffff;
}

.category-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.category-card p {
  font-size: 12px;
  color: var(--gray-text);
  line-height: 1.4;
}

.category-grid.runtime-category-grid {
  grid-template-columns: repeat(var(--runtime-category-columns, 4), minmax(0, 1fr));
  margin-bottom: 28px;
}

.runtime-category-card {
  text-decoration: none;
  min-height: 148px;
  justify-content: center;
}

/* ==========================================================================
   攻略卡片列表组件 Guide Card Grid
   ========================================================================== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.guide-card {
  background-color: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.guide-cover-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.guide-cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.guide-card:hover .guide-cover-wrap img {
  transform: scale(1.06);
}

.badge-city {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.badge-info {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--dark);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.guide-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.guide-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.tag-item {
  background-color: #f1f5f9;
  color: var(--gray-text);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.guide-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guide-title:hover {
  color: var(--primary);
}

.guide-summary {
  font-size: 13px;
  color: var(--gray-text);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guide-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.author-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.author-meta img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.author-meta span {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-sub);
}

.guide-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--gray-text);
}

.guide-stats span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 热门城市卡片 Carousel/Grid */
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 50px;
}

.city-card {
  position: relative;
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.city-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.city-card:hover img {
  transform: scale(1.1);
}

.city-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0) 60%);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #ffffff;
}

.city-overlay h4 {
  font-size: 18px;
  font-weight: 800;
}

.city-overlay p {
  font-size: 12px;
  opacity: 0.85;
}

.city-overlay .city-count {
  font-size: 11px;
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  padding: 2px 8px;
  border-radius: 10px;
  display: inline-block;
  margin-top: 6px;
  align-self: flex-start;
}

/* ==========================================================================
   列表页 Filter & Pagination (list.html)
   ========================================================================== */
.filter-box {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-color);
}

.filter-row:last-child {
  border-bottom: none;
}

.filter-label {
  font-weight: 700;
  color: var(--dark-sub);
  width: 80px;
  flex-shrink: 0;
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-item {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 14px;
  color: var(--dark-sub);
  cursor: pointer;
  transition: var(--transition);
}

.filter-item:hover {
  background-color: #f1f5f9;
  color: var(--primary);
}

.filter-item.active {
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
}

.sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding: 12px 16px;
  background-color: #ffffff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.sort-tabs {
  display: flex;
  gap: 16px;
}

.sort-btn {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-text);
  background: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.sort-btn.active {
  color: var(--primary);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 40px 0;
}

.page-link {
  width: 38px;
  height: 38px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--dark-sub);
  transition: var(--transition);
}

.page-link:hover, .page-link.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* ==========================================================================
   详情页 Article Detail (detail.html)
   ========================================================================== */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 30px;
  margin: 30px auto 60px;
}

.article-main {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.article-header h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.4;
  margin-bottom: 20px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.author-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-block img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
}

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

.btn-follow {
  background-color: #eff6ff;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 20px;
  padding: 5px 16px;
  font-size: 13px;
  font-weight: 600;
}

.btn-follow:hover {
  background-color: var(--primary);
  color: #ffffff;
}

/* 行程要点卡片 */
.itinerary-summary-card {
  background-color: #f8fafc;
  border-left: 4px solid var(--primary);
  padding: 18px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.summary-item label {
  font-size: 12px;
  color: var(--gray-text);
  display: block;
  margin-bottom: 4px;
}

.summary-item span {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
}

/* 详情页正文 typography */
.article-body {
  font-size: 16px;
  color: #334155;
  line-height: 1.8;
}

.article-body h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  margin: 32px 0 16px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
}

.article-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 18px;
}

.article-body img {
  border-radius: var(--radius-md);
  margin: 20px 0;
  box-shadow: var(--shadow-sm);
}

/* Day Itinerary Block */
.day-block {
  margin-bottom: 30px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.day-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.day-badge {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #ffffff;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 800;
  font-size: 14px;
}

.day-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
}

/* 点赞与收藏浮动操作栏 */
.action-floating-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 40px 0;
  padding: 20px;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: none;
  color: var(--gray-text);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.action-btn i {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: var(--transition);
}

.action-btn:hover i {
  background-color: #e2e8f0;
  color: var(--primary);
}

.action-btn.active-like i {
  background-color: #fef2f2;
  color: #ef4444;
}

.action-btn.active-collect i {
  background-color: #fffbebfb;
  color: #f59e0b;
}

/* 评论区 */
.comment-section {
  margin-top: 40px;
}

.comment-section h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.comment-input-box {
  display: flex;
  gap: 16px;
  margin-bottom: 30px;
}

.comment-input-box img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.comment-input-box textarea {
  flex: 1;
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px;
  height: 80px;
  resize: none;
}

.comment-input-box textarea:focus {
  background-color: #ffffff;
  border-color: var(--primary);
}

.comment-item {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid #f1f5f9;
}

.comment-item img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.comment-content h5 {
  font-size: 14px;
  font-weight: 700;
}

.comment-content p {
  font-size: 14px;
  color: var(--dark-sub);
  margin: 4px 0 8px;
}

.comment-content .comment-time {
  font-size: 12px;
  color: var(--gray-text);
}

/* 侧边栏 Widget */
.sidebar-widget {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.sidebar-widget h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f1f5f9;
}

.toc-list li {
  margin-bottom: 10px;
}

.toc-list a {
  color: var(--gray-text);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list a:hover, .toc-list a.active {
  color: var(--primary);
  font-weight: 600;
}

/* ==========================================================================
   发布页与表单 Forms & Publish (publish.html)
   ========================================================================== */
.form-card {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  max-width: 900px;
  margin: 30px auto 60px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  font-size: 14px;
}

.form-control {
  width: 100%;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: #f8fafc;
  transition: var(--transition);
}

.form-control:focus {
  background-color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.upload-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  background-color: #f8fafc;
  cursor: pointer;
  transition: var(--transition);
}

.upload-dropzone:hover {
  border-color: var(--primary);
  background-color: #eff6ff;
}

.upload-dropzone i {
  font-size: 36px;
  color: var(--primary);
  margin-bottom: 10px;
}

/* ==========================================================================
   个人中心与登录 User & Auth Pages (user.html, login.html)
   ========================================================================== */
.user-hero {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #ffffff;
  padding: 40px 0;
  margin-bottom: 30px;
}

.user-profile-header {
  display: flex;
  align-items: center;
  gap: 24px;
}

.user-hero-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.2);
  object-fit: cover;
}

.user-hero-info h2 {
  font-size: 24px;
  font-weight: 800;
}

.user-hero-info p {
  opacity: 0.8;
  font-size: 14px;
  margin: 4px 0 12px;
}

.user-stats-row {
  display: flex;
  gap: 24px;
}

.user-stat-item {
  text-align: center;
}

.user-stat-item span {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
}

.user-stat-item label {
  font-size: 12px;
  opacity: 0.7;
}

/* 侧边栏Tab */
.user-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 30px;
  margin-bottom: 60px;
}

.user-sidebar-menu {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px solid var(--border-color);
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--dark-sub);
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 4px;
  transition: var(--transition);
}

.menu-item:hover, .menu-item.active {
  background-color: #eff6ff;
  color: var(--primary);
}

/* Auth 登录注册卡片 */
.auth-container {
  min-height: calc(100vh - 150px);
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 15% 20%, rgba(96, 165, 250, 0.28), transparent 26%),
    radial-gradient(circle at 82% 24%, rgba(249, 115, 22, 0.24), transparent 24%),
    linear-gradient(135deg, #0f172a 0%, #1e40af 58%, #0f766e 100%);
  padding: 40px 20px;
}

.auth-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 440px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.auth-tabs {
  display: flex;
  border-bottom: 2px solid #f1f5f9;
  margin-bottom: 28px;
}

.auth-tab-btn {
  flex: 1;
  text-align: center;
  padding: 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-text);
  background: none;
  position: relative;
}

.auth-tab-btn.active {
  color: var(--primary);
}

.auth-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
}

/* Toast 提示浮层 */
.toast-notice {
  position: fixed;
  top: 80px;
  right: 20px;
  background-color: var(--dark);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  transform: translateY(-20px);
  opacity: 0;
  transition: all 0.3s ease;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* 页脚 Footer */
.site-footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 50px 0 30px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #1e293b;
}

.footer-brand h3 {
  color: #ffffff;
  font-size: 20px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-col h5 {
  color: #ffffff;
  font-size: 15px;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
  font-size: 14px;
}

.footer-bottom {
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: #64748b;
}

/* 响应式适配 Responsive */
@media (max-width: 992px) {
  .brand-logo span.tagline { display: none; }
  .header-inner { gap: 12px; }
  .nav-links { gap: 12px; }
  .nav-item { font-size: 14px; }
  .header-search { min-width: 150px; max-width: 200px; }
  .btn-publish { padding: 8px 14px; }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .city-grid { grid-template-columns: repeat(3, 1fr); }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .detail-layout, .user-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .guide-grid, .city-grid, .category-grid { grid-template-columns: 1fr; }
  .header-search { display: none; }
  .header-inner { height: auto; min-height: 72px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .brand-logo { max-width: 100%; }
  .nav-links { order: 3; width: 100%; justify-content: center; gap: 16px; font-size: 14px; }
  .hero-content h1 { font-size: 26px; }
}

/* 平台真实数据运行态补充样式 */
.is-hidden { display: none !important; }
.runtime-hero-stats { display: flex; justify-content: center; gap: 24px; margin-top: 22px; color: rgba(255,255,255,.9); font-weight: 600; }
.runtime-hero-stats strong { font-size: 26px; color: #fff; margin-right: 4px; }
.empty-state { width: 100%; min-height: 120px; border: 1px dashed var(--border-color); border-radius: var(--radius-md); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: var(--gray-text); background: rgba(255,255,255,.75); grid-column: 1 / -1; }
.empty-state i { font-size: 26px; color: #94a3b8; }
.runtime-cover-placeholder { width: 100%; height: 100%; min-height: 180px; display: flex; align-items: center; justify-content: center; color: #93c5fd; background: linear-gradient(135deg,#eff6ff,#f8fafc); font-size: 34px; }
.runtime-cover-placeholder.city { min-height: 220px; }
.runtime-avatar { width: 34px; height: 34px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: linear-gradient(135deg,var(--primary),var(--accent)); flex: 0 0 auto; }
.runtime-avatar.small { width: 24px; height: 24px; font-size: 12px; }
.runtime-avatar.large { width: 54px; height: 54px; font-size: 22px; }
.runtime-avatar.xl { width: 86px; height: 86px; font-size: 38px; }
.runtime-breadcrumb { background: #fff; border-bottom: 1px solid var(--border-color); padding: 14px 0; color: var(--gray-text); }
.runtime-breadcrumb .container { display: flex; align-items: center; gap: 10px; }
.runtime-breadcrumb a { color: var(--dark-sub); }
.runtime-breadcrumb strong { color: var(--primary); }
.runtime-breadcrumb em { margin-left: auto; font-style: normal; color: var(--dark-sub); }
.runtime-summary-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.runtime-detail-summary { font-size: 17px; font-weight: 500; color: var(--dark); background: #f1f5f9; padding: 16px 20px; border-radius: 8px; line-height: 1.7; }
.runtime-detail-cover { width: 100%; max-height: 460px; object-fit: cover; border-radius: 12px; margin: 24px 0; box-shadow: var(--shadow-md); }
.runtime-rich-content { color: var(--dark-sub); font-size: 16px; line-height: 1.85; }
.runtime-rich-content h1,.runtime-rich-content h2,.runtime-rich-content h3 { color: var(--dark); margin: 28px 0 14px; }
.runtime-rich-content p { margin: 12px 0; }
.runtime-rich-content img { border-radius: 12px; margin: 16px auto; box-shadow: var(--shadow-sm); }
.runtime-gallery,.travel-guide-images { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 24px; }
.runtime-gallery img,.travel-guide-images img { width: 100%; border-radius: 12px; object-fit: cover; box-shadow: var(--shadow-sm); }
.runtime-contact-card { border: 1px solid rgba(37,99,235,.12); }
.runtime-contact-head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.runtime-contact-head strong { display: block; font-size: 18px; margin-bottom: 4px; }
.runtime-contact-head p { color: var(--gray-text); line-height: 1.75; }
.runtime-contact-btn { width: 100%; justify-content: center; }
.runtime-list-panel { display: flex; flex-direction: column; gap: 10px; }
.runtime-list-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border: 1px solid var(--border-color); border-radius: 12px; background: #fff; }
.runtime-list-link:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); }
.runtime-list-link span { min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.runtime-list-link em { flex: 0 0 auto; font-style: normal; color: var(--gray-text); font-size: 13px; }
.runtime-recent-section { margin-bottom: 60px; }
.runtime-form-head { border-bottom: 2px solid #f1f5f9; padding-bottom: 16px; margin-bottom: 28px; }
.runtime-form-head h2 { font-size: 24px; font-weight: 800; color: var(--dark); }
.runtime-form-head p { color: var(--gray-text); margin-top: 6px; }
.runtime-warning { display: flex; align-items: center; gap: 10px; background: #fff7ed; color: #9a3412; border: 1px solid #fed7aa; border-radius: 12px; padding: 14px 16px; margin-bottom: 18px; }
.runtime-warning a { margin-left: auto; color: var(--primary); font-weight: 700; }
.runtime-form-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.runtime-form-grid.two { grid-template-columns: repeat(2,minmax(0,1fr)); }
.runtime-required { color: #ef4444; }
.runtime-submit-row { display: flex; align-items: center; justify-content: flex-end; gap: 16px; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--border-color); }
.runtime-user-page { margin-top: 30px; margin-bottom: 60px; }
.runtime-user-card,.runtime-panel { background: #fff; border: 1px solid var(--border-color); border-radius: 18px; box-shadow: var(--shadow-sm); }
.runtime-user-card { display: flex; align-items: center; gap: 20px; padding: 28px; margin-bottom: 24px; }
.runtime-user-card h1 { font-size: 26px; margin-bottom: 6px; }
.runtime-user-card p { color: var(--gray-text); }
.runtime-user-card .btn { margin-left: auto; }
.runtime-panel { padding: 24px; }
.runtime-record-list { display: flex; flex-direction: column; gap: 12px; }
.runtime-record { border: 1px solid var(--border-color); border-radius: 12px; padding: 14px 16px; background: #fff; }
.runtime-record p { color: var(--gray-text); margin-top: 4px; }
.runtime-center { text-align: center; margin-top: 16px; }
.runtime-auth-wrap { display: grid; grid-template-columns: 1fr 420px; gap: 34px; align-items: center; min-height: calc(100vh - 110px); padding-top: 48px; padding-bottom: 48px; }
.runtime-auth-copy h1 { font-size: 42px; line-height: 1.2; margin-bottom: 16px; }
.runtime-auth-copy p { color: var(--gray-text); font-size: 17px; max-width: 560px; }
.runtime-auth-copy ul { margin-top: 24px; display: grid; gap: 12px; color: var(--dark-sub); }
.runtime-auth-copy i { color: var(--success); margin-right: 8px; }
.runtime-auth-card { background: #fff; border: 1px solid var(--border-color); border-radius: 22px; box-shadow: var(--shadow-lg); padding: 28px; }
.runtime-auth-tabs { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; background: #f1f5f9; border-radius: 14px; padding: 6px; margin-bottom: 22px; }
.auth-tab { border-radius: 10px; background: transparent; padding: 11px 0; font-weight: 700; color: var(--gray-text); }
.auth-tab.active { color: var(--primary); background: #fff; box-shadow: var(--shadow-sm); }
.runtime-full-btn { width: 100%; justify-content: center; }
.runtime-policy-message { display: flex; align-items: flex-start; gap: 8px; padding: 12px 14px; border-radius: 12px; background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; font-size: 13px; line-height: 1.6; margin-bottom: 18px; }
.runtime-policy-message::before { content: "\f05a"; font-family: "Font Awesome 6 Free"; font-weight: 900; flex: 0 0 auto; margin-top: 1px; }
.runtime-policy-message.is-error { background: #fff7ed; color: #9a3412; border-color: #fed7aa; }
.runtime-agreement-line { display: flex; align-items: flex-start; gap: 10px; color: var(--gray-text); font-size: 13px; line-height: 1.6; margin: -4px 0 18px; }
.runtime-agreement-line input { margin-top: 4px; accent-color: var(--primary); }
.runtime-agreement-line a { color: var(--primary); font-weight: 700; }
.runtime-inline-code { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.runtime-captcha-question { min-height: 45px; display: flex; align-items: center; justify-content: center; padding: 0 16px; border-radius: 10px; border: 1px solid #bfdbfe; color: #1e40af; background: linear-gradient(135deg,#eff6ff,#ffffff); font-weight: 800; letter-spacing: .5px; white-space: nowrap; }
.runtime-code-btn { min-height: 45px; white-space: nowrap; padding-left: 16px; padding-right: 16px; }
.runtime-detail-loading-state { display: none; padding: 56px 20px; }
.runtime-detail-loading .runtime-detail-loading-state { display: block; }
.runtime-detail-loading .detail-layout { display: none; }

@media (max-width: 900px) {
  .runtime-form-grid,.runtime-form-grid.two,.runtime-auth-wrap,.runtime-summary-grid { grid-template-columns: 1fr; }
  .category-grid.runtime-category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .runtime-user-card { align-items: flex-start; flex-direction: column; }
  .runtime-user-card .btn { margin-left: 0; }
  .runtime-inline-code { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .category-grid.runtime-category-grid { grid-template-columns: 1fr; }
}