```css
/* ===== 樱花漫画主题样式 ===== */
:root {
  --bg-light: #F8FAFC;
  --bg-card: #FFFFFF;
  --text-primary: #1F2937;
  --text-secondary: #334155;
  --text-heading: #111827;
  --accent: #2B6CB0;
  --accent-dark: #1A4A7A;
  --accent-light: #EBF4FF;
  --border-light: #E2E8F0;
  --footer-bg: #17202A;
  --footer-text: #E2E8F0;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] {
  --bg-light: #0F172A;
  --bg-card: #1E293B;
  --text-primary: #E2E8F0;
  --text-secondary: #CBD5E1;
  --text-heading: #F8FAFC;
  --accent: #60A5FA;
  --accent-dark: #3B82F6;
  --accent-light: rgba(96, 165, 250, 0.15);
  --border-light: #334155;
  --footer-bg: #0B1120;
  --footer-text: #E2E8F0;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-light);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

h1, h2, h3, h4 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
}

h1 { font-size: clamp(2rem, 5vw, 2.8rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2rem); margin-bottom: 1.5rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.4rem); }
h4 { font-size: clamp(1rem, 2vw, 1.15rem); }

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
}

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.8rem 0;
  transition: all var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background: var(--glass-bg);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: transform var(--transition);
}

.logo:hover {
  transform: scale(1.05);
}

.logo span {
  color: var(--accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  list-style: none;
}

.nav-links a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition);
}

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

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav-links a:hover::after {
  width: 100%;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.search-box input {
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border-light);
  border-radius: 50px;
  background: var(--bg-light);
  color: var(--text-primary);
  outline: none;
  width: clamp(140px, 20vw, 220px);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  width: clamp(160px, 25vw, 260px);
}

.search-box button {
  background: var(--accent);
  border: none;
  color: white;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.search-box button:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-light);
}

/* 移动菜单 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-primary);
  padding: 0.3rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.menu-toggle:hover {
  background: var(--bg-light);
}

/* 按钮 */
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff !important;
  padding: 0.7rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  text-align: center;
  box-shadow: 0 4px 12px var(--accent-light);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--accent-light);
  text-decoration: none;
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(-1px);
}

/* 卡片 */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: clamp(1.2rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.card:hover::before {
  opacity: 1;
}

/* 网格 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(1rem, 3vw, 2rem);
}

/* Hero Banner */
.hero {
  background: linear-gradient(135deg, #1e293b 0%, #2d3b52 50%, #3b4a63 100%);
  color: white;
  padding: clamp(2.5rem, 8vw, 5rem) 0;
  text-align: center;
  margin-bottom: clamp(1.5rem, 4vw, 3rem);
  position: relative;
  overflow: hidden;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
  animation: heroGlow 10s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(10%, 10%); }
}

.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  position: relative;
  z-index: 1;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #CBD5E1;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.hero .btn {
  background: linear-gradient(135deg, #4A90E2, #2B6CB0);
  position: relative;
  z-index: 1;
}

/* 文章卡片 */
.article-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.article-card h3 {
  margin-bottom: 0.8rem;
  line-height: 1.4;
}

.article-meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-meta::before {
  content: '📅';
  font-size: 0.9rem;
}

.read-more {
  margin-top: auto;
  padding-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 600;
  transition: gap var(--transition);
}

.read-more:hover {
  gap: 0.8rem;
  text-decoration: none;
}

.read-more::after {
  content: '→';
  transition: transform var(--transition);
}

.read-more:hover::after {
  transform: translateX(5px);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border-light);
  padding: 1rem 0;
  transition: background var(--transition);
}

.faq-item:first-child {
  border-top: 1px solid var(--border-light);
}

.faq-question {
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-heading);
  padding: 0.5rem 0;
  font-size: 1rem;
  transition: color var(--transition);
  user-select: none;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question span {
  transition: transform var(--transition);
  font-size: 0.8rem;
  color: var(--accent);
}

.faq-item.active .faq-question span {
  transform: rotate(180deg);
}

.faq-answer {
  margin-top: 0.5rem;
  color: var(--text-primary);
  line-height: 1.8;
  padding: 0 1rem 0.5rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer */
footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: clamp(2rem, 5vw, 3rem) 0;
  margin-top: clamp(2rem, 5vw, 4rem);
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark), transparent);
}

footer a {
  color: #93c5fd;
  transition: color var(--transition);
}

footer a:hover {
  color: #fff;
}

footer .grid {
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

footer p {
  font-size: 0.9rem;
  line-height: 1.8;
}

/* 返回顶部 */
#backTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 1.5rem;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

#backTop.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#backTop:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 30px var(--accent-light);
}

/* 数字动画 */
.stat-num {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  display: block;
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}

/* 暗黑模式按钮 */
#darkToggle {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  cursor: pointer;
  margin-left: 1rem;
  font-size: 1rem;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

#darkToggle:hover {
  border-color: var(--accent);
  transform: scale(1.05);
  box-shadow: var(--shadow-sm);
}

/* 滚动动画 */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 统计区域 */
.stats-section {
  margin: clamp(2rem, 5vw, 3rem) 0;
  text-align: center;
}

.stats-section .grid {
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.stats-section p {
  color: var(--text-secondary);
  font-weight: 500;
}

/* 品牌介绍卡片 */
.brand-card {
  position: relative;
  overflow: hidden;
}

.brand-card::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent), transparent);
  opacity: 0.1;
  border-radius: 50%;
  transition: transform var(--transition);
}

.brand-card:hover::after {
  transform: scale(1.5);
}

/* 评价卡片 */
.testimonial-card {
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 15px;
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.2;
  font-family: Georgia, serif;
}

/* 联系卡片 */
.contact-card h4 {
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 2px solid var(--accent-light);
}

.contact-card p {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-card p::before {
  font-size: 1rem;
}

.contact-card p:nth-of-type(1)::before { content: '📍'; }
.contact-card p:nth-of-type(2)::before { content: '📞'; }
.contact-card p:nth-of-type(3)::before { content: '✉️'; }
.contact-card p:nth-of-type(4)::before { content: '🕐'; }

/* 友情链接 */
.friend-links {
  margin: clamp(1.5rem, 4vw, 2.5rem) 0;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.friend-links h4 {
  margin-bottom: 1rem;
}

.friend-links a {
  display: inline-block;
  margin: 0.3rem 1rem 0.3rem 0;
  padding: 0.4rem 1rem;
  background: var(--bg-light);
  border-radius: 50px;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.friend-links a:hover {
  background: var(--accent-light);
  color: var(--accent);
  transform: translateY(-2px);
}

/* 响应式布局 */
@media (max-width: 1024px) {
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: 1rem;
    gap: 0.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-light);
    z-index: 999;
  }
  
  .nav-links.open {
    display: flex;
    animation: slideDown 0.3s ease;
  }
  
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  .nav-links a {
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
  }
  
  .nav-links a:hover {
    background: var(--accent-light);
  }
  
  .nav-links a::after {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .search-box {
    display: none;
  }
  
  .hero {
    border-radius: 0;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .stats-section .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  footer .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  #backTop {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .stats-section .grid {
    grid-template-columns: 1fr 1fr;
  }
  
  footer .grid {
    grid-template-columns: 1fr;
  }
  
  .btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .card {
    padding: 1.2rem;
  }
  
  .search-box input {
    width: 100%;
  }
}

/* 打印样式 */
@media print {
  .navbar,
  #backTop,
  #darkToggle,
  .menu-toggle,
  .search-box,
  .hero .btn,
  footer {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* 无障碍 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 焦点样式 */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* 选中文本 */
::selection {
  background: var(--accent);
  color: white;
}

/* 工具类 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* 毛玻璃效果 */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

/* 渐变文字 */
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 悬停缩放 */
.hover-scale {
  transition: transform var(--transition);
}

.hover-scale:hover {
  transform: scale(1.03);
}

/* 卡片阴影加深 */
.card-shadow {
  box-shadow: var(--shadow-md);
}

.card-shadow:hover {
  box-shadow: var(--shadow-lg);
}
```