```css
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f3f6fc;
  --bg-card: #ffffff;
  --bg-footer: #1e293b;
  --text-primary: #1f2a3d;
  --text-secondary: #243447;
  --text-heading: #0b1e33;
  --text-accent: #b45309;
  --text-link: #1e4a7a;
  --text-on-dark: #f1f5f9;
  --text-on-dark-heading: #ffffff;
  --border-light: #cbd5e1;
  --btn-bg: #1f2937;
  --btn-text: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.85);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  --code-bg: #f0f2f5;
  --mark-bg: #fff3cd;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-card: linear-gradient(145deg, #ffffff, #f0f4ff);
  --gradient-banner: linear-gradient(90deg, #1e3a5f, #2d5a87);
  --gradient-text: linear-gradient(135deg, #ff6b6b, #feca57);
  --gradient-border: linear-gradient(135deg, #667eea, #f093fb);
  --btn-gradient: linear-gradient(135deg, #667eea, #764ba2);
  --badge-bg: linear-gradient(135deg, #f093fb, #f5576c);
  --card-hover-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  --section-gap: 4rem;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1a2637;
  --bg-footer: #0b1220;
  --text-primary: #e2e8f0;
  --text-secondary: #cbd5e1;
  --text-heading: #ffffff;
  --text-accent: #fbbf24;
  --text-link: #93c5fd;
  --text-on-dark: #f1f5f9;
  --text-on-dark-heading: #ffffff;
  --border-light: #334155;
  --btn-bg: #e2e8f0;
  --btn-text: #0f172a;
  --nav-bg: rgba(15, 23, 42, 0.85);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  --glass-bg: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --gradient-hero: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  --gradient-card: linear-gradient(145deg, #1a2637, #1e293b);
  --gradient-banner: linear-gradient(90deg, #1a2637, #2d3a52);
  --gradient-text: linear-gradient(135deg, #fbbf24, #f59e0b);
  --gradient-border: linear-gradient(135deg, #60a5fa, #a78bfa);
  --btn-gradient: linear-gradient(135deg, #60a5fa, #a78bfa);
  --badge-bg: linear-gradient(135deg, #f59e0b, #ef4444);
  --card-hover-shadow: 0 12px 24px rgba(0, 0, 0, 0.6);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  color: var(--text-heading);
  font-weight: 650;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2rem, 5vw, 2.6rem);
  margin-bottom: 0.5rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin: 2rem 0 1rem;
  border-left: 5px solid var(--text-accent);
  padding-left: 0.8rem;
  position: relative;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0.8rem;
  width: 60px;
  height: 3px;
  background: var(--gradient-border);
  border-radius: 3px;
}

h3 {
  font-size: 1.5rem;
  margin: 1.5rem 0 0.5rem;
}

h4 {
  font-size: 1.2rem;
  margin: 1rem 0 0.3rem;
  color: var(--text-secondary);
}

p {
  margin-bottom: 1rem;
}

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

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

ul, ol {
  margin: 0 0 1.2rem 1.5rem;
}

li {
  margin-bottom: 0.3rem;
  line-height: 1.8;
}

img, svg {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
}

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 20px;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.logo {
  font-size: 1.7rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  padding: 0.3rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-border);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-accent);
}

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

.theme-toggle, .search-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.3rem;
  color: var(--text-heading);
  padding: 0 0.3rem;
  transition: transform 0.3s ease;
}

.theme-toggle:hover, .search-btn:hover {
  transform: scale(1.2) rotate(20deg);
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  border-radius: 30px;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.search-box:focus-within {
  border-color: var(--text-accent);
  box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.15);
}

.search-box input {
  border: none;
  background: transparent;
  padding: 0.4rem 0.6rem;
  color: var(--text-primary);
  outline: none;
  width: 130px;
  transition: width 0.3s ease;
}

.search-box input:focus {
  width: 180px;
}

.search-box input::placeholder {
  color: var(--text-secondary);
  opacity: 0.8;
}

.mobile-menu {
  display: none;
  font-size: 1.8rem;
  background: none;
  color: var(--text-heading);
  border: none;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.mobile-menu:hover {
  transform: scale(1.1);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem;
  border-top: 1px solid var(--border-light);
  animation: slideDown 0.3s ease;
}

.mobile-nav a {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

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

.mobile-nav a:hover {
  padding-left: 1rem;
  color: var(--text-accent);
}

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

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

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05), transparent);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
}

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

.hero-grid {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.hero-text {
  flex: 1 1 300px;
}

.hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 2.8rem);
  color: #ffffff;
  background: none;
  -webkit-text-fill-color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-text p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-text strong {
  color: #ffffff;
  font-weight: 700;
}

.hero-svg {
  flex: 1 1 200px;
  text-align: center;
  animation: float 4s ease-in-out infinite;
}

.hero-svg svg {
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

/* 信任banner */
.banner-trust {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.banner-item {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 40px;
  padding: 0.6rem 1.6rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
  font-weight: 500;
}

.banner-item:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--card-hover-shadow);
  border-color: var(--text-accent);
}

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--gradient-card);
  border-radius: 20px;
  padding: 1.5rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-border);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-hover-shadow);
}

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  color: var(--text-heading);
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.card p {
  color: var(--text-primary);
  line-height: 1.6;
}

.card svg {
  margin-bottom: 0.8rem;
  transition: transform 0.3s ease;
}

.card:hover svg {
  transform: scale(1.1) rotate(5deg);
}

.badge {
  display: inline-block;
  background: var(--badge-bg);
  color: white;
  padding: 0.3rem 1rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* 表格 */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

th {
  background: var(--bg-secondary);
  color: var(--text-heading);
  font-weight: 600;
  padding: 1rem;
}

th, td {
  padding: 0.8rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

td {
  color: var(--text-primary);
}

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

tr {
  transition: background 0.2s ease;
}

tr:hover td {
  background: var(--bg-secondary);
}

/* FAQ */
details {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 0.8rem 1.2rem;
  margin-bottom: 0.8rem;
  transition: all 0.3s ease;
}

details:hover {
  border-color: var(--text-accent);
  box-shadow: var(--shadow);
}

details[open] {
  background: var(--bg-card);
  border-color: var(--text-accent);
  box-shadow: var(--card-hover-shadow);
}

summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--text-heading);
  list-style: none;
  position: relative;
  padding-right: 30px;
  transition: color 0.3s ease;
}

summary:hover {
  color: var(--text-accent);
}

summary::before {
  content: '▶';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

details[open] summary::before {
  transform: translateY(-50%) rotate(90deg);
}

summary::-webkit-details-marker {
  display: none;
}

details p {
  margin-top: 0.8rem;
  padding: 0.5rem;
  border-left: 3px solid var(--text-accent);
  background: var(--bg-secondary);
  border-radius: 0 8px 8px 0;
}

/* 按钮 */
.btn {
  background: var(--btn-gradient);
  color: #ffffff;
  border: none;
  padding: 0.7rem 2rem;
  border-radius: 60px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: inline-block;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  opacity: 0.95;
}

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

/* 页脚 */
footer {
  background: var(--bg-footer);
  color: var(--text-on-dark);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-border);
}

footer a {
  color: #b0c4de;
  transition: all 0.3s ease;
}

footer a:hover {
  color: var(--text-accent);
  padding-left: 5px;
}

footer h4 {
  color: var(--text-on-dark-heading);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
}

.footer-grid div {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid #3b4a5c;
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  color: #cbd5e1;
}

/* 面包屑 */
.breadcrumb {
  padding: 1rem 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.breadcrumb a {
  color: var(--text-link);
  transition: color 0.3s ease;
}

.breadcrumb a:hover {
  color: var(--text-accent);
}

/* 辅助类 */
.text-secondary {
  color: var(--text-secondary);
}

.bg-soft {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.bg-soft:hover {
  box-shadow: var(--card-hover-shadow);
}

.scrolltop {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--btn-gradient);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
  z-index: 200;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  animation: fadeInUp 0.3s ease;
}

.scrolltop:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 文章卡片 */
article {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

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

article:hover::before {
  opacity: 1;
}

article h4 {
  color: var(--text-heading);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

article:hover h4 {
  color: var(--text-accent);
}

article p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

article a {
  color: var(--text-link);
  font-weight: 600;
  display: inline-block;
  margin-top: 0.5rem;
  transition: all 0.3s ease;
}

article a:hover {
  color: var(--text-accent);
  transform: translateX(5px);
}

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

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

/* 数字统计 */
.stat-number {
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-size: 2.5rem;
  display: inline-block;
}

/* 响应式设计 */
@media (max-width: 800px) {
  .nav-links, .search-box {
    display: none;
  }
  
  .mobile-menu {
    display: inline-block;
  }
  
  .mobile-nav.open {
    display: flex;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.6rem;
  }
  
  .hero {
    padding: 2rem 0;
  }
  
  .hero-text h1 {
    font-size: 2.2rem;
  }
  
  .hero-text p {
    font-size: 1.1rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .banner-item {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  
  .bg-soft {
    padding: 1.2rem;
  }
  
  .search-box input:focus {
    width: 130px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .nav-inner {
    padding: 0.6rem 15px;
  }
  
  .logo {
    font-size: 1.4rem;
  }
  
  .hero-grid {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-svg {
    margin-top: 1rem;
  }
  
  .hero-svg svg {
    width: 180px;
    height: 150px;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .banner-trust {
    gap: 0.8rem;
  }
  
  .banner-item {
    width: 100%;
    text-align: center;
    padding: 0.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-grid div {
    align-items: center;
  }
  
  .scrolltop {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    bottom: 15px;
    right: 15px;
  }
  
  table {
    font-size: 0.9rem;
  }
  
  th, td {
    padding: 0.6rem 0.8rem;
  }
}

/* 打印样式 */
@media print {
  .navbar, .scrolltop, .theme-toggle, .mobile-menu {
    display: none !important;
  }
  
  body {
    background: #ffffff;
    color: #000000;
  }
  
  .hero {
    background: none;
    padding: 1rem 0;
  }
  
  .card, .bg-soft, article {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

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

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

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

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

/* 选择样式 */
::selection {
  background: var(--text-accent);
  color: #ffffff;
}

/* 焦点样式 */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--text-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 链接下划线动画 */
.underline-link {
  position: relative;
}

.underline-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--text-accent);
  transition: width 0.3s ease;
}

.underline-link:hover::after {
  width: 100%;
}

/* 卡片内容间距优化 */
.card h3 + p {
  margin-top: 0.5rem;
}

.card p:last-child {
  margin-bottom: 0;
}

/* 文章列表特殊样式 */
article h4 + p {
  margin-bottom: 0.5rem;
}

/* 图片圆角 */
img {
  border-radius: 12px;
}

/* 模块间距 */
section {
  margin-bottom: var(--section-gap);
  scroll-margin-top: 80px;
}

/* 首页锚点偏移 */
#home, #articles, #faq, #howto, #contact {
  scroll-margin-top: 80px;
}

/* 图标动画 */
.icon-animate {
  display: inline-block;
  animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* 渐变边框卡片 */
.gradient-border-card {
  position: relative;
  background: var(--bg-card);
  border-radius: 16px;
  padding: 1.5rem;
}

.gradient-border-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-border);
  border-radius: 18px;
  z-index: -1;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.gradient-border-card:hover::before {
  opacity: 1;
}

/* 高亮标签 */
.highlight-tag {
  display: inline-block;
  background: var(--mark-bg);
  color: var(--text-heading);
  padding: 0.2rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.highlight-tag:hover {
  background: var(--text-accent);
  color: #ffffff;
  transform: scale(1.05);
}

/* 分隔线 */
.divider {
  height: 1px;
  background: var(--gradient-border);
  margin: 2rem 0;
  opacity: 0.3;
}

/* 内容区域动画 */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* 延迟动画 */
.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

.delay-4 {
  transition-delay: 0.4s;
}

.delay-5 {
  transition-delay: 0.5s;
}

/* 悬停缩放效果 */
.hover-scale {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-scale:hover {
  transform: scale(1.03);
  box-shadow: var(--card-hover-shadow);
}

/* 毛玻璃效果按钮 */
.glass-btn {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.glass-btn:hover {
  background: var(--text-accent);
  color: #ffffff;
  border-color: var(--text-accent);
  transform: translateY(-2px);
  box-shadow: var(--card-hover-shadow);
}

/* 响应式字体 */
@media (max-width: 600px) {
  body {
    font-size: 0.95rem;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  h2 {
    font-size: 1.4rem;
  }
  
  h3 {
    font-size: 1.2rem;
  }
  
  h4 {
    font-size: 1.1rem;
  }
}

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