```css
/* =========================================
   妖精视频 - 二次元动漫视频站
   Style Sheet | rainasian.cn
   Design: 紫夜幻想 · 渐变 · 毛玻璃 · 圆角
   ========================================= */

/* ---------- CSS 变量 ---------- */
:root {
  --primary: #4a2e6f;
  --primary-2: #7a5caf;
  --primary-3: #b9aee0;
  --bg: #f8f7fc;
  --bg-soft: #f1eefe;
  --card-bg: #ffffff;
  --text: #1e1a2b;
  --text-2: #3f3856;
  --text-3: #2d2a3e;
  --border: #e4e1f0;
  --border-2: #ece7f8;
  --shadow: 0 6px 18px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 12px 28px rgba(74, 46, 111, 0.12);
  --radius: 20px;
  --radius-sm: 16px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.3);
  --gradient-hero: linear-gradient(135deg, #f1eefe 0%, #ffffff 100%);
  --gradient-btn: linear-gradient(135deg, #4a2e6f 0%, #7a5caf 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f7f4fe 100%);
}

/* 暗色模式变量 */
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #b9aee0;
    --primary-2: #d6cdf0;
    --primary-3: #7a5caf;
    --bg: #151220;
    --bg-soft: #1f1b30;
    --card-bg: #1f1b30;
    --text: #edeafa;
    --text-2: #cfc9e6;
    --text-3: #b9aee0;
    --border: #2f2945;
    --border-2: #2f2945;
    --shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
    --shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.35);
    --glass-bg: rgba(20, 16, 32, 0.75);
    --glass-border: rgba(255, 255, 255, 0.08);
    --gradient-hero: linear-gradient(135deg, #1f1b30 0%, #151220 100%);
    --gradient-btn: linear-gradient(135deg, #7a5caf 0%, #4a2e6f 100%);
    --gradient-card: linear-gradient(145deg, #1f1b30 0%, #151220 100%);
  }
}

/* ---------- Reset ---------- */
* {
  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);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

img, svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--primary-2);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

ul, ol {
  padding-left: 1.2rem;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--primary-3);
  border-radius: 10px;
  border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-2);
}

/* ---------- 导航栏 (毛玻璃) ---------- */
.sticky-nav {
  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(--border);
  transition: background 0.4s ease, border-color 0.4s ease;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1rem;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary);
  letter-spacing: 1px;
  background: var(--gradient-btn);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  transition: transform 0.3s ease;
}

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

.menu {
  display: flex;
  gap: 1.8rem;
  font-weight: 500;
  align-items: center;
}

.menu a {
  color: var(--text-3);
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s ease;
}

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

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

.menu a:hover::after {
  width: 100%;
}

.search-btn {
  background: var(--gradient-btn);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(74, 46, 111, 0.2);
  white-space: nowrap;
}

.search-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(74, 46, 111, 0.35);
}

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

.mobile-menu {
  display: none;
}

/* ---------- Hero 区域 (渐变+动画) ---------- */
.hero {
  padding: 4rem 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  transition: background 0.4s ease;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(122, 92, 175, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(74, 46, 111, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: flex;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.hero-txt {
  flex: 1;
  min-width: 280px;
}

.hero-txt h1 {
  font-size: 2.4rem;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeUp 0.8s ease both;
}

.hero-txt p {
  font-size: 1.1rem;
  color: var(--text-2);
  margin-bottom: 2rem;
  animation: fadeUp 0.8s ease 0.1s both;
}

.hero-svg {
  flex: 1;
  min-width: 240px;
  text-align: center;
  animation: float 4s ease-in-out infinite;
}

.hero-svg svg {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 8px 20px rgba(74, 46, 111, 0.15));
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.8s ease 0.2s both;
}

.btn-primary {
  background: var(--gradient-btn);
  padding: 12px 28px;
  border-radius: 40px;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(74, 46, 111, 0.25);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(74, 46, 111, 0.35);
  color: #fff;
}

.btn-outline {
  border: 2px solid var(--primary);
  padding: 10px 26px;
  border-radius: 40px;
  color: var(--primary);
  font-weight: 600;
  display: inline-block;
  transition: all 0.3s ease;
  background: transparent;
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(74, 46, 111, 0.25);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  margin: 1rem 0;
  font-size: 0.9rem;
}

.breadcrumb ol {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  padding: 0;
}

.breadcrumb li {
  color: var(--text-2);
}

.breadcrumb a {
  color: var(--primary-2);
}

.breadcrumb a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* ---------- 区块标题 ---------- */
.section-title {
  font-size: 2rem;
  margin: 3rem 0 1.5rem;
  color: var(--text);
  border-left: 6px solid var(--primary-2);
  padding-left: 1rem;
  font-weight: 800;
  position: relative;
  letter-spacing: -0.5px;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 60px;
  height: 2px;
  background: var(--gradient-btn);
  border-radius: 2px;
}

/* ---------- 卡片网格 ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--gradient-card);
  padding: 1.8rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-2);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-btn);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-3);
}

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

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
  color: var(--text);
  font-weight: 700;
}

.card p {
  color: var(--text-2);
  font-size: 0.95rem;
}

/* ---------- 品牌介绍 ---------- */
.brand-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-2);
  transition: all 0.3s ease;
}

.brand-grid:hover {
  box-shadow: var(--shadow-hover);
}

.brand-grid h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.brand-grid p {
  margin-bottom: 1rem;
  color: var(--text-2);
}

.brand-grid ul {
  list-style: none;
  line-height: 2.2;
  padding: 0;
}

.brand-grid li {
  color: var(--text-2);
  font-size: 0.95rem;
  border-bottom: 1px dashed var(--border);
  padding: 4px 0;
}

/* ---------- 解决方案 ---------- */
.solution-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.solution-item {
  flex: 1;
  min-width: 240px;
  background: var(--bg-soft);
  padding: 1.8rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.solution-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary-3);
  box-shadow: var(--shadow-hover);
  background: var(--card-bg);
}

.solution-item h4 {
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
  color: var(--text);
}

.solution-item p {
  color: var(--text-2);
  font-size: 0.95rem;
}

/* ---------- 用户评价 ---------- */
blockquote.card {
  font-style: italic;
  position: relative;
  padding-left: 2.5rem;
}

blockquote.card::before {
  content: '"';
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  font-size: 3rem;
  color: var(--primary-3);
  opacity: 0.5;
  font-family: Georgia, serif;
}

/* ---------- 文章列表 ---------- */
.article-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
  margin-top: 1.5rem;
}

.article-card {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  border: 1px solid var(--border-2);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.article-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-btn);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-3);
}

.article-card:hover::after {
  transform: scaleX(1);
}

.article-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  color: var(--text);
  line-height: 1.4;
}

.article-card p {
  color: var(--text-2);
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
}

.article-card a {
  color: var(--primary-2);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-block;
  transition: all 0.3s ease;
}

.article-card a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border-2);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--primary-3);
  box-shadow: var(--shadow);
}

.faq-item details {
  transition: all 0.3s ease;
}

.faq-item summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--text);
  font-size: 1rem;
  padding: 8px 0;
  position: relative;
  padding-right: 2rem;
  transition: color 0.3s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--primary-2);
  transition: transform 0.3s ease;
}

.faq-item details[open] summary::after {
  content: '−';
}

.faq-item details[open] summary {
  color: var(--primary);
}

.faq-item p {
  padding: 8px 0;
  color: var(--text-2);
  font-size: 0.95rem;
  animation: fadeUp 0.4s ease both;
}

/* ---------- HowTo 区域 ---------- */
.howto-box {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-2);
  transition: all 0.3s ease;
}

.howto-box:hover {
  box-shadow: var(--shadow-hover);
}

.howto-box h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.howto-box h4 {
  margin-top: 1.2rem;
  margin-bottom: 0.6rem;
  color: var(--text);
  font-size: 1.05rem;
}

.howto-box ol {
  margin-left: 1.5rem;
  line-height: 2.2;
  color: var(--text-2);
}

.howto-box li {
  padding: 4px 0;
}

/* ---------- 友情链接 ---------- */
.friend-links {
  margin-top: 3rem;
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-2);
}

.friend-links h3 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  color: var(--text);
}

.friend-links .links-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.friend-links a {
  color: var(--primary-2);
  font-size: 0.95rem;
  padding: 6px 12px;
  border-radius: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border-2);
  transition: all 0.3s ease;
}

.friend-links a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.friend-links hr {
  margin: 1.5rem 0;
  border: none;
  border-top: 1px solid var(--border);
}

.friend-links .legal-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.friend-links .legal-links a {
  background: transparent;
  border: none;
  padding: 4px 8px;
}

.friend-links .legal-links a:hover {
  background: transparent;
  color: var(--primary);
  text-decoration: underline;
}

/* ---------- 页脚 ---------- */
.footer {
  background: #211b33;
  color: #cbc5e0;
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2), var(--primary));
}

.footer a {
  color: #b9aee0;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2rem;
}

.footer-grid h4 {
  color: #fff;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  position: relative;
  padding-bottom: 8px;
}

.footer-grid h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary-2);
}

.footer-grid p {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.copyright {
  border-top: 1px solid #3a3350;
  margin-top: 3rem;
  padding-top: 1.5rem;
  font-size: 0.9rem;
  color: #8b84a0;
}

/* ---------- 返回顶部按钮 ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--gradient-btn);
  color: #fff;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  z-index: 9999;
  box-shadow: 0 4px 16px rgba(74, 46, 111, 0.3);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 24px rgba(74, 46, 111, 0.4);
}

/* ---------- 动画 ---------- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.fade-up {
  animation: fadeUp 0.7s ease both;
}

/* 滚动进入动画 */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .menu {
    display: none;
  }
  
  .mobile-menu {
    display: block;
  }
  
  .hero-grid {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-txt h1 {
    font-size: 2rem;
  }
  
  .btn-group {
    justify-content: center;
  }
  
  .brand-grid {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }
  
  .hero {
    padding: 2.5rem 0;
  }
  
  .hero-txt h1 {
    font-size: 1.6rem;
  }
  
  .hero-txt p {
    font-size: 1rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  
  .article-list {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    font-size: 20px;
  }
  
  .section-title {
    margin: 2rem 0 1rem;
  }
}

@media (max-width: 400px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-primary, .btn-outline {
    width: 100%;
    text-align: center;
  }
}

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

/* 高对比度模式 */
@media (prefers-contrast: high) {
  :root {
    --primary: #3a1f5e;
    --primary-2: #5a3a8e;
    --border: #4a2e6f;
    --border-2: #4a2e6f;
  }
}

/* 打印样式 */
@media print {
  .sticky-nav, .back-to-top, .btn-group, .search-btn, .mobile-menu {
    display: none !important;
  }
  
  body {
    background: #fff;
    color: #000;
  }
  
  .card, .article-card, .faq-item, .brand-grid, .howto-box {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* 选中文本样式 */
::selection {
  background: var(--primary-2);
  color: #fff;
}

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

/* 链接图标 */
a[href^="http"]::after {
  content: ' ↗';
  font-size: 0.8em;
  vertical-align: super;
}

/* 装饰性渐变文字 */
.gradient-text {
  background: var(--gradient-btn);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 分隔线 */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 2rem 0;
  border: none;
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-soft);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--primary);
  border: 1px solid var(--border-2);
  transition: all 0.3s ease;
}

.tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* 卡片内标签 */
.card .tag, .article-card .tag {
  margin-bottom: 0.8rem;
}

/* 星级评分 */
.stars {
  color: #f5b301;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

/* 数字统计 */
.stats {
  display: flex;
  gap: 2rem;
  justify-content: center;
  padding: 2rem 0;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  padding: 1.5rem 2rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-2);
  min-width: 140px;
  transition: all 0.3s ease;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-btn);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: var(--text-2);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* 横幅占位 */
.banner-placeholder {
  background: linear-gradient(135deg, #e6def7, #f1eefe);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-2);
  position: relative;
  overflow: hidden;
}

.banner-placeholder::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 3s infinite;
}

/* 移动端菜单按钮 */
.mobile-menu .search-btn {
  font-size: 1.2rem;
  padding: 8px 14px;
}

/* 导航栏在移动端的适配 */
@media (max-width: 600px) {
  .nav-wrap {
    height: 56px;
  }
  
  .logo {
    font-size: 1.2rem;
  }
  
  .search-btn {
    padding: 6px 14px;
    font-size: 0.85rem;
  }
}

/* 暗色模式下的微调 */
@media (prefers-color-scheme: dark) {
  .footer {
    background: #1a1528;
  }
  
  .footer::before {
    background: linear-gradient(90deg, #7a5caf, #b9aee0, #7a5caf);
  }
  
  .banner-placeholder {
    background: linear-gradient(135deg, #2a2440, #1f1b30);
  }
  
  .hero-svg svg text {
    fill: #b9aee0;
  }
  
  .hero-svg svg circle {
    fill: #3a3350;
  }
  
  .hero-svg svg path {
    fill: #4a2e6f;
  }
}
```