```css
/* ===== 全局变量与基础 ===== */
:root {
  --bg-light: #f0f4f8;
  --bg-dark: #0a0e1a;
  --surface-light: #ffffff;
  --surface-dark: #141b2d;
  --surface-glass-light: rgba(255, 255, 255, 0.75);
  --surface-glass-dark: rgba(20, 27, 45, 0.75);
  --text-primary-light: #1a2634;
  --text-secondary-light: #3a4a5a;
  --text-heading-light: #0f172a;
  --text-link-light: #1d4ed8;
  --text-btn-light: #ffffff;
  --text-footer-light: #cbd5e1;
  --border-light: #d0d9e4;
  --shadow-light: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-hover-light: 0 8px 24px rgba(15, 23, 42, 0.15);

  --bg-dark-mode: #0a0e1a;
  --text-primary-dark: #d1d9e6;
  --text-secondary-dark: #a0b0c4;
  --text-heading-dark: #e6edf5;
  --text-link-dark: #7ab8ff;
  --text-btn-dark: #0a0e1a;
  --text-footer-dark: #8899aa;
  --border-dark: #2a3446;
  --shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-hover-dark: 0 8px 24px rgba(0, 0, 0, 0.6);

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent: #f59e0b;
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(255,255,255,0.7));
  --radius: 20px;
  --radius-sm: 14px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

/* 暗色模式变量覆盖 */
body.dark-mode {
  --bg-light: var(--bg-dark-mode);
  --surface-light: var(--surface-dark);
  --text-primary-light: var(--text-primary-dark);
  --text-secondary-light: var(--text-secondary-dark);
  --text-heading-light: var(--text-heading-dark);
  --text-link-light: var(--text-link-dark);
  --text-btn-light: var(--text-btn-dark);
  --text-footer-light: var(--text-footer-dark);
  --border-light: var(--border-dark);
  --shadow-light: var(--shadow-dark);
  --shadow-hover-light: var(--shadow-hover-dark);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-light);
  color: var(--text-primary-light);
  line-height: 1.75;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== 滚动动画 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 滚动触发动画 */
.animate-on-scroll {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 标题与文本 ===== */
h1, h2, h3, h4 {
  color: var(--text-heading-light);
  font-weight: 700;
  line-height: 1.3;
  transition: color 0.3s ease;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p {
  color: var(--text-primary-light);
  margin-bottom: 0.8rem;
  transition: color 0.3s ease;
}

a {
  color: var(--text-link-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-hover);
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ===== 布局容器 ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ===== 导航栏 ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--surface-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-light);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 1px solid var(--border-light);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-heading-light);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.5px;
}

.logo::before {
  content: '▶';
  color: var(--primary);
  font-size: 1.2rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-primary-light);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-light);
  border-radius: 40px;
  padding: 0.15rem 0.15rem 0.15rem 1.2rem;
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
  max-width: 240px;
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.search-box input {
  border: none;
  background: transparent;
  padding: 0.5rem 0.2rem;
  color: var(--text-primary-light);
  outline: none;
  width: 100%;
  font-size: 0.9rem;
}

.search-box input::placeholder {
  color: var(--text-secondary-light);
  opacity: 0.7;
}

.search-box button {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 40px;
  padding: 0.4rem 1.2rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  transition: background 0.2s ease;
  white-space: nowrap;
}

.search-box button:hover {
  background: var(--primary-hover);
}

.btn-theme, .btn-menu {
  background: none;
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.9rem;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary-light);
  transition: all 0.25s ease;
  font-size: 1rem;
  line-height: 1.6;
}

.btn-theme:hover, .btn-menu:hover {
  background: var(--border-light);
  transform: scale(1.05);
}

/* 移动菜单 */
.mobile-menu-content {
  display: none;
  flex-direction: column;
  background: var(--surface-light);
  backdrop-filter: blur(12px);
  padding: 1rem;
  border-radius: 0 0 var(--radius) var(--radius);
  border-top: 1px solid var(--border-light);
  box-shadow: var(--shadow-light);
}

.mobile-menu-content a {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary-light);
  font-weight: 500;
}

.mobile-menu-content a:last-child {
  border-bottom: none;
}

/* ===== Hero 区域 ===== */
.hero {
  background: var(--gradient-hero);
  color: white;
  padding: 5rem 0;
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.4) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.3) 0%, transparent 70%);
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: #f8fafc;
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.2rem;
  max-width: 800px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  animation: fadeInUp 0.8s ease;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #e2e8f0;
  max-width: 700px;
  margin-bottom: 2rem;
  line-height: 1.8;
  text-shadow: 0 1px 10px rgba(0,0,0,0.2);
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero .badge {
  display: inline-block;
  background: var(--accent);
  color: #1e293b;
  padding: 0.25rem 1.2rem;
  border-radius: 30px;
  font-weight: 700;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero .btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

/* ===== 卡片系统 ===== */
.card {
  background: var(--surface-light);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

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

/* ===== 网格布局 ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ===== 区块标题 ===== */
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin: 3rem 0 2rem;
  border-left: 6px solid var(--primary);
  padding-left: 1.2rem;
  position: relative;
  display: flex;
  align-items: center;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-light), transparent);
  margin-left: 1.5rem;
}

/* ===== 文章卡片 ===== */
.article-card {
  background: var(--surface-light);
  border-radius: var(--radius-sm);
  padding: 1.8rem;
  border: 1px solid var(--border-light);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease;
  animation-fill-mode: both;
}

.article-card:nth-child(1) { animation-delay: 0.05s; }
.article-card:nth-child(2) { animation-delay: 0.1s; }
.article-card:nth-child(3) { animation-delay: 0.15s; }
.article-card:nth-child(4) { animation-delay: 0.2s; }
.article-card:nth-child(5) { animation-delay: 0.25s; }
.article-card:nth-child(6) { animation-delay: 0.3s; }
.article-card:nth-child(7) { animation-delay: 0.35s; }
.article-card:nth-child(8) { animation-delay: 0.4s; }
.article-card:nth-child(9) { animation-delay: 0.45s; }
.article-card:nth-child(10) { animation-delay: 0.5s; }

.article-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover-light);
  border-color: var(--primary);
}

.article-card .date {
  font-size: 0.85rem;
  color: var(--text-secondary-light);
  margin-bottom: 0.8rem;
  display: inline-block;
  background: var(--bg-light);
  padding: 0.15rem 0.8rem;
  border-radius: 20px;
  font-weight: 500;
}

.article-card h3 {
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
  line-height: 1.4;
}

.article-card p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.article-card a {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}

.article-card a:hover {
  gap: 8px;
}

/* ===== FAQ 样式 ===== */
.faq-item {
  background: var(--surface-light);
  border-radius: var(--radius-sm);
  padding: 0;
  margin-bottom: 1.2rem;
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-light);
}

.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover-light);
}

.faq-question {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-heading-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 1.2rem 1.5rem;
  transition: background-color 0.3s ease;
  user-select: none;
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question span {
  font-size: 1.2rem;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary-light);
  line-height: 1.7;
  display: none;
  animation: fadeIn 0.3s ease;
}

/* ===== HowTo 卡片 ===== */
#guide .card {
  background: var(--gradient-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-light);
}

#guide .card ol {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
  counter-reset: step;
}

#guide .card ol li {
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 0.5rem;
  color: var(--text-primary-light);
}

#guide .card ol li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: -1.5rem;
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 24px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ===== 按钮 ===== */
.btn-primary {
  background: var(--primary);
  color: white !important;
  padding: 0.8rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  border: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover::after {
  left: 100%;
}

.btn-outline {
  border: 2px solid var(--text-link-light);
  color: var(--text-link-light);
  padding: 0.6rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  background: transparent;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-outline:hover {
  background: var(--text-link-light);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

/* Hero 中按钮的特殊样式 */
.hero .btn-outline {
  border-color: #e2e8f0;
  color: #e2e8f0;
}

.hero .btn-outline:hover {
  background: #e2e8f0;
  color: #1e293b;
}

/* ===== 表格 ===== */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

th, td {
  padding: 1rem 1.2rem;
  border: none;
  text-align: left;
  color: var(--text-primary-light);
  border-bottom: 1px solid var(--border-light);
}

th {
  background: var(--primary);
  color: white;
  font-weight: 600;
  letter-spacing: 0.5px;
}

tr:last-child td {
  border-bottom: none;
}

tbody tr {
  transition: background-color 0.2s ease;
}

tbody tr:hover {
  background: var(--bg-light);
}

/* ===== 列表 ===== */
.feature-list li {
  margin-bottom: 1rem;
  padding-left: 0.5rem;
  position: relative;
  transition: transform 0.2s ease;
}

.feature-list li:hover {
  transform: translateX(4px);
}

/* ===== 评价卡片 ===== */
#contact + .container .card {
  background: var(--surface-light);
  border-left: 4px solid var(--primary);
}

#contact + .container .card p {
  font-style: italic;
  color: var(--text-secondary-light);
}

/* ===== Footer ===== */
.footer {
  background: #0f172a;
  color: var(--text-footer-light);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
}

.footer a {
  color: #cbd5e1;
  transition: color 0.2s ease;
}

.footer a:hover {
  color: white;
}

.footer h4 {
  color: #f1f5f9;
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary);
}

.footer .grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
}

.footer-bottom {
  border-top: 1px solid #334155;
  margin-top: 3rem;
  padding-top: 1.5rem;
  text-align: center;
  color: #94a3b8;
  font-size: 0.9rem;
}

/* ===== 返回顶部 ===== */
#backToTop {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.8rem 1.2rem;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
  transition: all 0.3s ease;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

#backToTop.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#backToTop:hover {
  background: var(--primary-hover);
  transform: translateY(-4px);
  box-shadow: 0 6px 25px rgba(37, 99, 235, 0.5);
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.flex { display: flex; gap: 1rem; flex-wrap: wrap; }
.hidden { display: none; }

/* ===== 毛玻璃效果 ===== */
.glass {
  background: var(--surface-glass-light);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
}

body.dark-mode .glass {
  background: var(--surface-glass-dark);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .nav-links {
    gap: 1.5rem;
  }
  
  .search-box {
    max-width: 180px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-content {
    display: none;
  }
  
  .mobile-menu-content.show {
    display: flex;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .hero {
    padding: 3rem 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .footer .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .search-box {
    display: none;
  }
  
  .navbar .container {
    height: 64px;
  }
  
  .logo {
    font-size: 1.3rem;
  }
  
  .btn-theme, .btn-menu {
    padding: 0.2rem 0.7rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero {
    padding: 2.5rem 0;
  }
  
  .hero .btn-group {
    flex-direction: column;
    gap: 0.8rem;
  }
  
  .hero .btn-group .btn-primary,
  .hero .btn-group .btn-outline {
    width: 100%;
    text-align: center;
  }
  
  .footer .grid-4 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .article-card {
    padding: 1.2rem;
  }
  
  .faq-question {
    padding: 1rem;
    font-size: 0.95rem;
  }
  
  .faq-answer {
    padding: 0 1rem 1rem;
  }
  
  #backToTop {
    bottom: 1rem;
    right: 1rem;
    padding: 0.6rem 0.8rem;
  }
}

/* ===== 暗色模式适配 ===== */
body.dark-mode .navbar {
  background: var(--surface-dark);
  border-bottom-color: var(--border-dark);
}

body.dark-mode .hero {
  background: linear-gradient(135deg, #0a0e1a 0%, #141b2d 50%, #1e293b 100%);
}

body.dark-mode .card,
body.dark-mode .article-card,
body.dark-mode .faq-item {
  background: var(--surface-dark);
  border-color: var(--border-dark);
}

body.dark-mode .faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}

body.dark-mode .search-box {
  background: var(--bg-dark-mode);
  border-color: var(--border-dark);
}

body.dark-mode .search-box input::placeholder {
  color: var(--text-secondary-dark);
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 5px;
  transition: background 0.3s ease;
}

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

/* ===== 动画辅助 ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* 滚动触发动画 */
.scroll-trigger {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-trigger.active {
  opacity: 1;
  transform: translateY(0);
}

/* 悬停时卡片内链接动画 */
.article-card:hover a {
  text-decoration: underline;
}

/* 用户评价卡片特殊样式 */
.user-review-card {
  background: var(--surface-light);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border-light);
  position: relative;
  transition: all 0.3s ease;
}

.user-review-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.2;
  font-family: Georgia, serif;
}

.user-review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover-light);
}

/* 品牌优势列表 */
.advantage-list li {
  padding: 0.8rem 0;
  border-bottom: 1px dashed var(--border-light);
  transition: padding-left 0.3s ease;
}

.advantage-list li:hover {
  padding-left: 10px;
}

.advantage-list li:last-child {
  border-bottom: none;
}

/* 联系卡片 */
.contact-card {
  background: linear-gradient(145deg, var(--surface-light), var(--bg-light));
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border-light);
}

.contact-card strong {
  color: var(--text-heading-light);
  display: block;
  margin-top: 0.8rem;
}

.contact-card p {
  margin-bottom: 0.5rem;
}

/* 图标装饰 */
.svg-icon {
  width: 48px;
  height: 48px;
  stroke: var(--primary);
  transition: transform 0.3s ease;
}

.svg-icon:hover {
  transform: scale(1.1) rotate(5deg);
}
```