/* 顶级娱乐官方 style.css - 完整样式表 */

/* 基础重置与全局变量 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #f8f9fa;
  color: #1a1a2e;
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
  min-height: 100vh;
}

body.dark-mode {
  background: #0f0f1a;
  color: #e0e0e0;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 渐变背景辅助类 */
.gradient-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 毛玻璃效果 */
.glass {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.dark-mode .glass {
  background: rgba(20, 20, 40, 0.85);
  border-color: rgba(255, 255, 255, 0.05);
}

/* 圆角卡片 */
.card {
  background: #fff;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.dark-mode .card {
  background: #1a1a30;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.dark-mode .card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* 按钮 */
.btn {
  display: inline-block;
  padding: 14px 36px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1.4;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn:active {
  transform: translateY(0);
}

/* 标题通用样式 */
.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 15px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  line-height: 1.2;
}

.section-subtitle {
  text-align: center;
  color: #666;
  font-size: 1.1rem;
  margin-bottom: 50px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.dark-mode .section-subtitle {
  color: #aaa;
}

/* 网格系统 */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 30px;
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* 辅助类 */
.text-center {
  text-align: center;
}

.mt-30 {
  margin-top: 30px;
}

.mb-30 {
  margin-bottom: 30px;
}

/* 滚动动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 头部导航 */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 15px 0;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.dark-mode header.scrolled {
  background: rgba(15, 15, 26, 0.95);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header .logo {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: -0.5px;
}

/* 导航 */
nav {
  display: flex;
  gap: 25px;
  align-items: center;
}

nav a {
  color: #1a1a2e;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  font-size: 15px;
  position: relative;
}

.dark-mode nav a {
  color: #e0e0e0;
}

nav a:hover {
  color: #667eea;
}

nav a.active {
  color: #667eea;
}

nav a.nav-cta {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
}

.dark-mode nav a.nav-cta {
  color: #fff !important;
}

/* 移动端菜单按钮 */
.mobile-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  padding: 5px;
  background: none;
  border: none;
}

.mobile-toggle span {
  width: 28px;
  height: 3px;
  background: #1a1a2e;
  border-radius: 3px;
  transition: all 0.3s ease;
}

.dark-mode .mobile-toggle span {
  background: #e0e0e0;
}

@media (max-width: 768px) {
  nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 30px;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    gap: 20px;
  }

  .dark-mode nav {
    background: rgba(15, 15, 26, 0.98);
  }

  nav.active {
    display: flex;
  }

  .mobile-toggle {
    display: flex;
  }
}

/* Hero区域 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  z-index: -2;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 30% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
  animation: heroGlow 10s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-30px, -30px);
  }
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  max-width: 500px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero p {
    font-size: 1rem;
    max-width: 100%;
  }
}

.hero .btn {
  font-size: 1.1rem;
  padding: 16px 40px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual svg {
  width: 100%;
  max-width: 500px;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(102, 126, 234, 0.3));
}

/* Banner滑块 */
.banner-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 20px;
  margin-bottom: 30px;
}

.banner-slide {
  display: none;
  animation: slideFade 0.5s ease;
}

.banner-slide.active {
  display: block;
}

@keyframes slideFade {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.banner-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.banner-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
}

.banner-dots span.active {
  background: #667eea;
  transform: scale(1.3);
}

/* 通用section间距 */
section {
  padding: 100px 0;
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
}

/* 品牌介绍 */
.brand-intro {
  background: #fff;
}

.dark-mode .brand-intro {
  background: #12121e;
}

/* 公司简介 */
.company-profile .profile-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 768px) {
  .company-profile .profile-content {
    grid-template-columns: 1fr;
  }
}

/* 品牌故事时间线 */
.brand-story .story-timeline {
  position: relative;
  padding-left: 40px;
  border-left: 3px solid #667eea;
}

.story-item {
  margin-bottom: 40px;
  position: relative;
}

.story-item::before {
  content: '';
  position: absolute;
  left: -44px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border: 4px solid #fff;
  box-shadow: 0 0 0 3px #667eea;
}

.dark-mode .story-item::before {
  border-color: #12121e;
}

.story-item h3 {
  margin-bottom: 10px;
}

.story-item p {
  color: #666;
  line-height: 1.6;
}

.dark-mode .story-item p {
  color: #aaa;
}

/* 企业文化 */
.corporate-culture .culture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

/* 核心团队 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}

.team-member {
  text-align: center;
}

.team-member svg {
  margin: 0 auto 15px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  padding: 5px;
}

.team-member h3 {
  margin-bottom: 5px;
}

.team-member p {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 5px;
}

.dark-mode .team-member p {
  color: #aaa;
}

/* 产品网格 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* 核心优势 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

/* 解决方案 */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

/* 服务行业 */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}

/* 统计数据 */
.statistics {
  background: linear-gradient(135deg, #1a1a2e, #0f3460);
  color: #fff;
  text-align: center;
}

.statistics .stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

@media (max-width: 768px) {
  .statistics .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.stat-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
}

/* 成功案例 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

/* 合作伙伴 */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 30px;
  align-items: center;
  justify-items: center;
}

.partners-grid svg {
  transition: transform 0.3s ease;
}

.partners-grid svg:hover {
  transform: scale(1.05);
}

/* 用户评价 */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: #fff;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dark-mode .testimonial-card {
  background: #1a1a30;
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-card::before {
  content: '"';
  font-size: 4rem;
  position: absolute;
  top: 10px;
  left: 20px;
  color: #667eea;
  opacity: 0.2;
  font-family: serif;
  line-height: 1;
}

/* 最新资讯 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.news-card .date {
  color: #667eea;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 10px;
  display: block;
}

/* 推荐文章 */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #e0e0e0;
  padding: 20px 0;
  cursor: pointer;
  transition: border-color 0.3s ease;
}

.dark-mode .faq-item {
  border-color: #333;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.1rem;
  user-select: none;
}

.faq-question .icon {
  transition: transform 0.3s ease;
  font-size: 1.5rem;
  line-height: 1;
}

.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding-top: 0;
  color: #666;
  line-height: 1.6;
}

.dark-mode .faq-answer {
  color: #aaa;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-top: 15px;
}

/* 使用指南 */
.howto-steps {
  max-width: 700px;
  margin: 0 auto;
}

.howto-step {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  align-items: flex-start;
}

.howto-step .step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.howto-step h3 {
  margin-bottom: 5px;
}

.howto-step p {
  color: #666;
  line-height: 1.6;
}

.dark-mode .howto-step p {
  color: #aaa;
}

/* 联系我们 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info p {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.5;
}

.contact-info svg {
  flex-shrink: 0;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  font-size: 16px;
  transition: border 0.3s ease;
  background: #fff;
  color: #1a1a2e;
  font-family: inherit;
}

.dark-mode .contact-form input,
.dark-mode .contact-form textarea {
  background: #1a1a30;
  border-color: #333;
  color: #e0e0e0;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #667eea;
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.contact-form textarea {
  height: 120px;
  resize: vertical;
}

.contact-form button {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.contact-form button:active {
  transform: translateY(0);
}

/* 搜索 */
.search-entry {
  display: flex;
  gap: 10px;
  max-width: 500px;
  margin: 0 auto;
}

.search-entry input {
  flex: 1;
  padding: 14px 18px;
  border: 2px solid #e0e0e0;
  border-radius: 50px;
  font-size: 16px;
  background: #fff;
  color: #1a1a2e;
  transition: border 0.3s ease;
  font-family: inherit;
}

.dark-mode .search-entry input {
  background: #1a1a30;
  border-color: #333;
  color: #e0e0e0;
}

.search-entry input:focus {
  border-color: #667eea;
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-entry button {
  padding: 14px 30px;
  border-radius: 50px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  font-size: 16px;
}

.search-entry button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* 最新更新 */
.latest-updates {
  background: #fff;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.dark-mode .latest-updates {
  background: #1a1a30;
}

.update-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
  line-height: 1.5;
}

.dark-mode .update-item {
  border-color: #333;
}

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

.update-item .date {
  color: #667eea;
  font-weight: 600;
  flex-shrink: 0;
  margin-left: 20px;
}

/* 上下页导航 */
.prev-next {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  gap: 20px;
}

.prev-next a {
  padding: 12px 24px;
  border-radius: 12px;
  background: #fff;
  color: #1a1a2e;
  text-decoration: none;
  font-weight: 500;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dark-mode .prev-next a {
  background: #1a1a30;
  color: #e0e0e0;
}

.prev-next a:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* 网站地图 */
.sitemap-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.sitemap-links a {
  color: #667eea;
  text-decoration: none;
  padding: 8px 0;
  display: block;
  transition: color 0.3s ease, transform 0.3s ease;
}

.sitemap-links a:hover {
  color: #764ba2;
  transform: translateX(3px);
}

/* 隐私政策与免责声明 */
.privacy-policy,
.disclaimer {
  background: #fff;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  margin-top: 30px;
}

.dark-mode .privacy-policy,
.dark-mode .disclaimer {
  background: #1a1a30;
}

.privacy-policy p,
.disclaimer p {
  line-height: 1.7;
  color: #555;
}

.dark-mode .privacy-policy p,
.dark-mode .disclaimer p {
  color: #bbb;
}

/* 通用标题 */
h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  line-height: 1.3;
}

p {
  margin-bottom: 15px;
  line-height: 1.6;
}

.dark-mode h2,
.dark-mode h3 {
  color: #e0e0e0;
}

/* 图片与SVG */
img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 相关文章 */
.related-articles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.related-article {
  background: #fff;
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dark-mode .related-article {
  background: #1a1a30;
}

.related-article:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.related-article h4 {
  margin-bottom: 10px;
}

.related-article h4 a {
  color: #1a1a2e;
  text-decoration: none;
  transition: color 0.3s ease;
}

.dark-mode .related-article h4 a {
  color: #e0e0e0;
}

.related-article h4 a:hover {
  color: #667eea;
}

.related-article p {
  color: #666;
  font-size: 0.95rem;
}

.dark-mode .related-article p {
  color: #aaa;
}

/* EEAT信息 */
.eeat-info {
  background: #fff;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.dark-mode .eeat-info {
  background: #1a1a30;
}

.eeat-info h4 {
  color: #667eea;
  margin-bottom: 10px;
  font-size: 1rem;
  font-weight: 600;
}

.eeat-info p {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 0;
}

.dark-mode .eeat-info p {
  color: #aaa;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  gap: 8px;
  padding: 15px 0;
  font-size: 14px;
  color: #666;
  flex-wrap: wrap;
  align-items: center;
}

.breadcrumb a {
  color: #667eea;
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb a:hover {
  color: #764ba2;
}

.breadcrumb span {
  color: #999;
}

/* 页脚 */
footer {
  background: #1a1a2e;
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 30px;
}

.dark-mode footer {
  background: #0a0a14;
}

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

@media (max-width: 768px) {
  footer .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

footer h4 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 1.2rem;
  font-weight: 600;
}

footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  display: block;
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

footer a:hover {
  color: #667eea;
}

footer p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 10px;
  line-height: 1.5;
}

footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}

footer .footer-bottom a {
  display: inline;
  margin: 0 10px;
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
  z-index: 999;
  transition: transform 0.3s ease, opacity 0.3s ease;
  line-height: 1;
}

.back-to-top.show {
  display: flex;
}

.back-to-top:hover {
  transform: translateY(-3px);
}

.back-to-top:active {
  transform: translateY(0);
}

/* 暗色模式切换按钮 */
.dark-mode-toggle {
  position: fixed;
  bottom: 90px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #1a1a2e;
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  z-index: 999;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
  line-height: 1;
}

.dark-mode .dark-mode-toggle {
  background: #e0e0e0;
  color: #1a1a2e;
}

.dark-mode-toggle:hover {
  transform: translateY(-3px);
}

/* 响应式调整 */
@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .section-subtitle {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .btn {
    font-size: 1rem;
    padding: 14px 30px;
  }

  .card {
    padding: 20px;
  }

  .stat-item h3 {
    font-size: 2.2rem;
  }

  .back-to-top,
  .dark-mode-toggle {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }

  .dark-mode-toggle {
    bottom: 80px;
  }
}

/* 打印样式 */
@media print {
  header,
  .back-to-top,
  .dark-mode-toggle,
  .mobile-toggle,
  .prev-next,
  .breadcrumb,
  footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .card,
  .testimonial-card,
  .latest-updates,
  .privacy-policy,
  .disclaimer,
  .eeat-info {
    box-shadow: none;
    border: 1px solid #ddd;
  }

  .section-title {
    -webkit-text-fill-color: #1a1a2e;
    background: none;
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }

  .hero-bg {
    display: none;
  }

  .hero h1 {
    color: #1a1a2e;
  }

  .hero p {
    color: #555;
  }

  .statistics {
    background: #f5f5f5;
    color: #333;
  }

  .stat-item h3 {
    -webkit-text-fill-color: #667eea;
  }

  .stat-item p {
    color: #666;
  }
}