/**
 * 海南木乔轩云影文化传媒有限公司 - 信息分类网站
 * 全局样式表（差异化设计版本）
 */

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

:root {
  /* 通用主色 */
  --primary-color: #c8102e;
  --primary-hover: #a00d24;
  --secondary-color: #1a1a1a;

  /* 文字颜色 */
  --text-primary: #1a1a1a;
  --text-secondary: #5a5a5a;
  --text-light: #9a9a9a;

  /* 背景色 */
  --bg-primary: #ffffff;
  --bg-secondary: #f7f5f0;
  --bg-card: #ffffff;
  --bg-dark: #0f0f0f;

  /* 边框 */
  --border-color: #e8e4dc;
  --border-radius: 4px;
  --border-radius-lg: 12px;

  /* 阴影 - 更有质感 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 40px rgba(200, 16, 46, 0.15);

  /* 间距 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 5rem;

  /* 导航栏高度 */
  --navbar-height: 72px;
  --footer-height: 100px;

  /* 字体 - 更有设计感 */
  --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

/* 礼仪庆典主题 - 喜庆金红 */
body.theme-liyi {
  --primary-color: #c8102e;
  --primary-hover: #a00d24;
  --accent-color: #d4a574;
  --accent-gradient: linear-gradient(135deg, #c8102e 0%, #8b0a1f 100%);
  --hero-bg: linear-gradient(135deg, #2a0808 0%, #5c0a14 50%, #2a0808 100%);
  --bg-secondary: #fdf6f0;
  --border-color: #f0e0d0;
}

/* 摄影摄像主题 - 电影感黑白 */
body.theme-sheying {
  --primary-color: #1a1a1a;
  --primary-hover: #000000;
  --accent-color: #c9a961;
  --accent-gradient: linear-gradient(135deg, #1a1a1a 0%, #404040 100%);
  --hero-bg: linear-gradient(135deg, #0a0a0a 0%, #1f1f1f 50%, #0a0a0a 100%);
  --bg-secondary: #f5f5f5;
  --border-color: #e0e0e0;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease;
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ==================== 导航栏（高级杂志风）==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  font-family: var(--font-display);
}

.navbar-brand::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 24px;
  background: var(--primary-color);
  border-radius: 2px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-link {
  position: relative;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 2px;
  transition: all 0.25s ease;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

.nav-link.active {
  color: var(--text-primary);
  font-weight: 600;
}

/* 移动端导航菜单按钮 */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: 0.3s;
}

/* ==================== 主内容区 ==================== */
.main-content {
  flex: 1;
  margin-top: var(--navbar-height);
  margin-bottom: var(--footer-height);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* ==================== Hero 区域（首页特色）==================== */
.hero {
  position: relative;
  min-height: 480px;
  background: var(--hero-bg, linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%));
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: var(--spacing-3xl) 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(200, 16, 46, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(212, 165, 116, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.03) 50%, transparent 51%);
  background-size: 30px 30px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  width: 100%;
}

.hero-tagline {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--accent-color, #d4a574);
  margin-bottom: var(--spacing-md);
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--accent-color, #d4a574);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.hero-title .accent {
  display: block;
  color: var(--accent-color, #d4a574);
  font-style: italic;
}

.hero-subtitle {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 2px;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(200, 16, 46, 0.3);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

/* 装饰性元素 */
.hero-decoration {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 280px;
  height: 280px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  z-index: 1;
}

.hero-decoration::before {
  content: "";
  position: absolute;
  inset: 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.hero-decoration::after {
  content: "XY";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.05);
  letter-spacing: -0.05em;
}

/* ==================== 板块标题 ==================== */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  position: relative;
}

.section-title .accent-mark {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  margin-right: 0.6rem;
  vertical-align: middle;
  transform: translateY(-4px);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.section-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.25s ease;
}

.section-link:hover {
  color: var(--primary-color);
}

.section-link::after {
  content: " →";
  transition: transform 0.25s ease;
  display: inline-block;
}

.section-link:hover::after {
  transform: translateX(4px);
}

/* ==================== 页面标题（列表页/详情页等无 hero 的页面）==================== */
.page-header {
  position: relative;
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  text-align: left;
  margin-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-color);
}

.page-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.page-title {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  line-height: 1.7;
}

/* 类别装饰样式 */
.page-header.theme-liyi::before {
  background: var(--accent-gradient, var(--primary-color));
}

.page-header.theme-liyi .page-tag {
  color: #c8102e;
}

.page-header.theme-sheying::before {
  background: #1a1a1a;
}

.page-header.theme-sheying .page-tag {
  color: #1a1a1a;
}

/* ==================== 卡片网格（设计感大图卡片）==================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.card {
  position: relative;
  background-color: var(--bg-card);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.card-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.5) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover .card-image::after {
  opacity: 1;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card:hover .card-image img {
  transform: scale(1.08);
}

.card-category {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.8rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
}

.card-category::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 50%;
}

.card-content {
  padding: var(--spacing-lg);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s ease;
}

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

.card-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px dashed var(--border-color);
  font-size: 0.8rem;
}

.card-publisher {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
}

.card-publisher::before {
  content: "·";
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.2rem;
}

.card-price {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.95rem;
  font-family: var(--font-display);
}

/* ==================== 详情页样式 ==================== */
.detail-container {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-xl);
}

.detail-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  letter-spacing: 0.05em;
}

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

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

.detail-image {
  position: relative;
  width: 100%;
  height: 480px;
  overflow: hidden;
  margin-bottom: var(--spacing-2xl);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
}

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

.detail-image-tag {
  position: absolute;
  top: var(--spacing-lg);
  left: var(--spacing-lg);
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 2px;
}

.detail-info {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-2xl);
  align-items: start;
}

.detail-main {
  background-color: var(--bg-card);
}

.detail-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.detail-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.detail-meta-item .label {
  color: var(--text-secondary);
}

.detail-meta-item .value {
  font-weight: 600;
  color: var(--text-primary);
}

.detail-meta-item .price {
  color: var(--primary-color);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.detail-section-title {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.detail-section-title::before {
  content: "";
  width: 4px;
  height: 20px;
  background: var(--primary-color);
}

.detail-description {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--border-color);
}

.detail-description p {
  color: var(--text-secondary);
  line-height: 1.9;
  font-size: 0.95rem;
}

/* 侧边联系卡片 */
.detail-sidebar {
  position: sticky;
  top: calc(var(--navbar-height) + 20px);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.sidebar-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--primary-color);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.sidebar-body {
  padding: var(--spacing-lg);
}

.contact-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.contact-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.contact-value.hidden {
  color: var(--text-light);
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0;
}

.btn-show-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem;
  background: var(--primary-color);
  color: white;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 2px;
  margin-top: var(--spacing-sm);
}

.btn-show-phone:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(200, 16, 46, 0.25);
}

.btn-show-phone::before {
  content: "📞";
  font-size: 1rem;
}

.sidebar-features {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px dashed var(--border-color);
}

.sidebar-feature {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}

.sidebar-feature::before {
  content: "✓";
  color: var(--primary-color);
  font-weight: 700;
}

/* ==================== 表单样式（精致卡片风）==================== */
.form-wrapper {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-2xl) 0;
}

.form-container {
  background-color: var(--bg-card);
  padding: var(--spacing-2xl);
  border: 1px solid var(--border-color);
  position: relative;
}

.form-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-color);
}

.form-notice {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border: 1px solid #fbbf24;
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  border-radius: var(--border-radius);
  position: relative;
}

.form-notice::before {
  content: "💰";
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
}

.form-notice strong {
  color: #92400e;
  font-size: 1rem;
  display: block;
  margin-left: 1.5rem;
  text-align: left;
}

.form-notice p {
  margin-top: 0.3rem;
  font-size: 0.85rem;
  color: #92400e;
  text-align: left;
  margin-left: 1.5rem;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

.form-label .required {
  color: var(--primary-color);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--text-light);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.08);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
  line-height: 1.6;
}

.form-file {
  padding: var(--spacing-xl);
  border: 2px dashed var(--border-color);
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  background: var(--bg-secondary);
  border-radius: 2px;
}

.form-file:hover {
  border-color: var(--primary-color);
  background: rgba(200, 16, 46, 0.03);
}

.form-file input {
  display: none;
}

.form-file-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: block;
}

.form-file-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-file-text span {
  color: var(--primary-color);
  font-weight: 600;
}

.form-file-hint {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-light);
}

.btn-submit {
  width: 100%;
  padding: 1rem var(--spacing-lg);
  background: var(--primary-color);
  color: white;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 2px;
  margin-top: var(--spacing-md);
}

.btn-submit:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(200, 16, 46, 0.25);
}

/* ==================== 登录注册页（双栏布局）==================== */
.auth-container {
  min-height: calc(100vh - var(--navbar-height) - var(--footer-height));
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}

.auth-visual {
  position: relative;
  background: var(--hero-bg, linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%));
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-3xl);
  overflow: hidden;
}

.auth-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 50%, rgba(200, 16, 46, 0.2) 0%, transparent 60%);
}

.auth-visual-content {
  position: relative;
  z-index: 2;
  max-width: 400px;
}

.auth-visual-tag {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-color, #d4a574);
  margin-bottom: var(--spacing-md);
}

.auth-visual-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.01em;
}

.auth-visual-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}

.auth-form-section {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  background: var(--bg-secondary);
}

.login-container {
  width: 100%;
  max-width: 400px;
  background-color: var(--bg-card);
  padding: var(--spacing-2xl);
  border: 1px solid var(--border-color);
  position: relative;
}

.login-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-color);
}

.login-title {
  margin-bottom: var(--spacing-xl);
}

.login-title h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.login-title p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.login-links {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.login-links a {
  color: var(--primary-color);
  font-size: 0.9rem;
  font-weight: 500;
}

.login-links a:hover {
  text-decoration: underline;
}

/* ==================== 页脚 ==================== */
.footer {
  position: relative;
  bottom: 0;
  left: 0;
  right: 0;
  min-height: var(--footer-height);
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-md);
  gap: 0.5rem;
  z-index: 100;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.footer-text {
  font-size: 0.85rem;
  margin: 0;
  letter-spacing: 0.03em;
}

.footer-text strong {
  color: #fff;
  font-weight: 600;
  margin-right: 0.4rem;
}

.footer-link {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
  text-decoration: none;
  transition: color 0.25s ease;
  letter-spacing: 0.05em;
}

.footer-link:hover {
  color: var(--primary-color);
}

/* ==================== 空状态 ==================== */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px dashed var(--border-color);
}

.empty-state-icon {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.empty-state-text {
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 968px) {
  .detail-info {
    grid-template-columns: 1fr;
  }

  .detail-sidebar {
    position: static;
  }

  .auth-container {
    grid-template-columns: 1fr;
  }

  .auth-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: auto;
  }

  .navbar {
    position: fixed;
  }

  .navbar-container {
    flex-wrap: wrap;
    padding: var(--spacing-sm) var(--spacing-md);
    height: auto;
  }

  .navbar-brand {
    font-size: 1rem;
  }

  .navbar-toggle {
    display: block;
  }

  .navbar-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding-top: var(--spacing-sm);
  }

  .navbar-nav.active {
    display: flex;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 0.8rem;
  }

  .nav-link::after {
    display: none;
  }

  .main-content {
    margin-top: 60px;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .hero {
    min-height: 380px;
    padding: var(--spacing-2xl) 0;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-decoration {
    display: none;
  }

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

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

  .section,
  .form-wrapper {
    padding: var(--spacing-2xl) 0;
  }

  .section-title,
  .page-title {
    font-size: 1.75rem;
  }

  .page-header {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
  }

  .detail-container {
    padding: var(--spacing-md);
  }

  .detail-image {
    height: 280px;
  }

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

  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-md);
  }

  .auth-form-section {
    padding: var(--spacing-md);
  }

  .login-container,
  .form-container {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .card-image {
    height: 200px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-notice::before {
    display: none;
  }

  .form-notice strong,
  .form-notice p {
    margin-left: 0;
    text-align: center;
  }
}

/* ==================== 滚动行为 ==================== */
@media (prefers-reduced-motion: no-preference) {
  .card,
  .btn-primary,
  .btn-outline,
  .btn-submit,
  .btn-show-phone {
    will-change: transform;
  }
}

/* ==================== 打印样式 ==================== */
@media print {
  .navbar,
  .footer,
  .hero,
  .btn-show-phone,
  .btn-submit {
    display: none;
  }

  .main-content {
    margin: 0;
    padding: 0;
  }
}