```css
/* ==========================================================================
   禁漫天堂下载 - 电影爱好者交流圈，影评与片单推荐
   96tocr.cn - 完整样式表
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 基础重置与 CSS 变量
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* 色彩系统 - 浅色模式 */
  --bg: #f8f9fc;
  --bg-alt: #eef1f8;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.72);
  --surface-glass-border: rgba(255, 255, 255, 0.5);
  --text: #1e1e2f;
  --text-secondary: #4a4a6a;
  --text-muted: #8a8aa8;
  --accent: #e63946;
  --accent-dark: #b71c2c;
  --accent-light: #ff5a6a;
  --accent-glow: rgba(230, 57, 70, 0.35);
  --gradient-primary: linear-gradient(135deg, #e63946 0%, #ff6b6b 50%, #ff8a95 100%);
  --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 45%, #0f3460 100%);
  --gradient-card: linear-gradient(135deg, rgba(230, 57, 70, 0.08) 0%, rgba(255, 138, 149, 0.04) 100%);
  --border: #e2e5f0;
  --border-light: rgba(226, 229, 240, 0.6);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 8px 25px rgba(230, 57, 70, 0.35);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --nav-height: 68px;
}

/* 暗色模式变量 */
[data-theme="dark"] {
  --bg: #0d0d1a;
  --bg-alt: #12121f;
  --surface: #1a1a2e;
  --surface-glass: rgba(26, 26, 46, 0.72);
  --surface-glass-border: rgba(255, 255, 255, 0.08);
  --text: #e8e8f0;
  --text-secondary: #a0a0c0;
  --text-muted: #6a6a8a;
  --accent: #ff5a6a;
  --accent-dark: #e63946;
  --accent-light: #ff8a95;
  --accent-glow: rgba(255, 90, 106, 0.3);
  --gradient-primary: linear-gradient(135deg, #ff5a6a 0%, #e63946 50%, #b71c2c 100%);
  --gradient-hero: linear-gradient(135deg, #0a0a15 0%, #12122a 45%, #1a1a3e 100%);
  --gradient-card: linear-gradient(135deg, rgba(255, 90, 106, 0.1) 0%, rgba(255, 90, 106, 0.03) 100%);
  --border: #2a2a4a;
  --border-light: rgba(42, 42, 74, 0.6);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 8px 25px rgba(255, 90, 106, 0.3);
}

/* --------------------------------------------------------------------------
   2. 基础元素样式
   -------------------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 16px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
}

strong {
  font-weight: 700;
}

::selection {
  background: var(--accent);
  color: #fff;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-alt);
}

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

/* --------------------------------------------------------------------------
   3. 布局容器
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.section {
  padding: 72px 0;
  position: relative;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text);
  position: relative;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.section-title::after {
  content: '';
  display: block;
  width: 64px;
  height: 4px;
  background: var(--gradient-primary);
  margin: 14px auto 0;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 10px var(--accent-glow);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
  line-height: 1.9;
}

/* --------------------------------------------------------------------------
   4. 导航栏（毛玻璃吸顶）
   -------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--surface-glass-border);
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), background var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: 20px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  letter-spacing: -0.02em;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.03);
  color: var(--accent);
}

.logo svg {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 10px;
  box-shadow: 0 4px 12px var(--accent-glow);
  transition: transform var(--transition);
}

.logo:hover svg {
  transform: rotate(-6deg) scale(1.05);
}

.nav-links {
  display: flex;
  gap: 26px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.93rem;
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  background: var(--border-light);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  font-size: 1.1rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--accent);
  color: #fff;
  transform: rotate(20deg) scale(1.08);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.theme-toggle:active {
  transform: rotate(20deg) scale(0.95);
}

.mobile-menu-btn {
  display: none;
  font-size: 1.6rem;
  color: var(--text);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  line-height: 1;
}

.mobile-menu-btn:hover {
  background: var(--border-light);
  color: var(--accent);
}

/* 移动端导航 */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px 20px;
  gap: 4px;
  position: sticky;
  top: var(--nav-height);
  z-index: 999;
  animation: slideDown 0.3s ease;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav a:hover {
  background: var(--gradient-card);
  color: var(--accent);
  padding-left: 22px;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   5. 面包屑
   -------------------------------------------------------------------------- */
.breadcrumb {
  padding: 18px 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.breadcrumb .sep {
  color: var(--text-muted);
  user-select: none;
}

/* --------------------------------------------------------------------------
   6. 英雄区（渐变 Banner + 毛玻璃统计）
   -------------------------------------------------------------------------- */
.hero {
  background: var(--gradient-hero);
  color: #fff;
  padding: 88px 0 72px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.22) 0%, transparent 68%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 12s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(15, 52, 96, 0.5) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 15s ease-in-out infinite reverse;
}

@keyframes floatGlow {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.9;
  }
  50% {
    transform: translate(-24px, 24px) scale(1.08);
    opacity: 1;
  }
}

.hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 22px;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  animation: heroFadeUp 0.8s ease both;
}

.hero h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.hero p {
  font-size: 1.12rem;
  max-width: 780px;
  margin: 0 auto 36px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.95;
  animation: heroFadeUp 0.8s ease 0.15s both;
}

.hero p strong {
  color: #fff;
  font-weight: 700;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: heroFadeUp 0.8s ease 0.3s both;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
}

.btn:hover::before {
  width: 320px;
  height: 320px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 18px var(--accent-glow);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 10px 28px var(--accent-glow);
}

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

.btn-outline {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.45);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  transform: translateY(-3px);
}

/* 数字统计（毛玻璃卡片） */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-top: 56px;
  animation: heroFadeUp 0.8s ease 0.45s both;
}

.stat-item {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.stat-item:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(230, 57, 70, 0.45);
}

.stat-item:hover::after {
  opacity: 1;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-light);
  display: block;
  line-height: 1.2;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 14px var(--accent-glow);
}

.stat-label {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.72);
  margin-top: 6px;
  position: relative;
  z-index: 1;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   7. 卡片网格系统
   -------------------------------------------------------------------------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 28px;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

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

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: #fff;
  font-size: 1.5rem;
  box-shadow: 0 6px 18px var(--accent-glow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover .card-icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.card h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
}

.card p strong {
  color: var(--accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   8. 文章列表
   -------------------------------------------------------------------------- */
.article-list {
  display: grid;
  gap: 24px;
}

.article-item {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.article-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.article-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
}

.article-item:hover::before {
  transform: scaleY(1);
}

.article-meta {
  display: flex;
  gap: 18px;
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-item h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.5;
  transition: color var(--transition-fast);
}

.article-item:hover h3 {
  color: var(--accent);
}

.article-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 14px;
}

.article-item p strong {
  color: var(--accent);
  font-weight: 600;
}

.read-more {
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition), color var(--transition-fast);
}

.read-more:hover {
  gap: 10px;
  color: var(--accent-dark);
}

/* --------------------------------------------------------------------------
   9. FAQ 手风琴
   -------------------------------------------------------------------------- */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

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

.faq-item.open {
  border-color: var(--accent);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.faq-question {
  padding: 20px 26px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  user-select: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: background var(--transition-fast), color var(--transition-fast);
  line-height: 1.6;
}

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

.faq-question .arrow {
  transition: transform var(--transition), color var(--transition-fast);
  font-size: 0.75rem;
  color: var(--accent);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-card);
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
  background: var(--gradient-primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
  padding: 0 26px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.9;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding: 0 26px 22px;
}

.faq-answer p strong {
  color: var(--accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   10. HowTo 步骤
   -------------------------------------------------------------------------- */
.howto-steps {
  display: grid;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.howto-step {
  display: flex;
  gap: 22px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.howto-step::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.howto-step:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}

.howto-step:hover::after {
  opacity: 1;
}

.step-num {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 6px 18px var(--accent-glow);
  transition: transform var(--transition);
}

.howto-step:hover .step-num {
  transform: scale(1.1) rotate(-8deg);
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-content h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.5;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.85;
}

.step-content p strong {
  color: var(--accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   11. 团队卡片
   -------------------------------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.team-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, var(--accent-glow), transparent 30%);
  opacity: 0;
  transition: opacity var(--transition);
  animation: rotateGlow 6s linear infinite;
  pointer-events: none;
}

.team-card:hover::before {
  opacity: 0.6;
}

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

@keyframes rotateGlow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.team-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  margin: 0 auto 18px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.9rem;
  font-weight: 700;
  box-shadow: 0 8px 24px var(--accent-glow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  z-index: 1;
}

.team-card:hover .team-avatar {
  transform: scale(1.08);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.team-card h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.team-card .role {
  font-size: 0.84rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
  line-height: 1.5;
}

.team-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   12. 联系卡片
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.contact-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

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

.contact-card .icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
  color: var(--accent);
  transition: transform var(--transition);
  display: inline-block;
}

.contact-card:hover .icon {
  transform: scale(1.15) translateY(-4px);
}

.contact-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 700;
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  word-break: break-word;
}

/* --------------------------------------------------------------------------
   13. 页脚
   -------------------------------------------------------------------------- */
.footer {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 32px;
  margin-top: 48px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

[data-theme="dark"] .footer {
  background: linear-gradient(135deg, #0a0a15 0%, #0d0d1a 100%);
}

.footer .container {
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 44px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 18px;
  font-weight: 700;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: color var(--transition-fast), transform var(--transition-fast), padding-left var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent-light);
  padding-left: 6px;
}

.footer-col p {
  font-size: 0.88rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 26px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--accent-light);
}

/* --------------------------------------------------------------------------
   14. 返回顶部按钮
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 6px 20px var(--accent-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), box-shadow var(--transition);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 10px 28px var(--accent-glow);
}

.back-to-top:active {
  transform: translateY(-2px) scale(0.98);
}

/* --------------------------------------------------------------------------
   15. 搜索框（毛玻璃）
   -------------------------------------------------------------------------- */
.search-box {
  display: flex;
  align-items: center;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
  border-radius: var(--radius-full);
  padding: 4px 4px 4px 20px;
  border: 1px solid var(--border);
  max-width: 320px;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  flex: 1;
  font-size: 0.9rem;
  color: var(--text);
  font-family: var(--font);
  padding: 8px 0;
  min-width: 0;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box button {
  background: var(--gradient-primary);
  color: #fff;
  border-radius: var(--radius-full);
  padding: 8px 20px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.search-box button:hover {
  transform: scale(1.04);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.search-box button:active {
  transform: scale(0.98);
}

/* --------------------------------------------------------------------------
   16. 滚动动画
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

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

/* --------------------------------------------------------------------------
   17. 高亮品牌词
   -------------------------------------------------------------------------- */
.highlight {
  color: var(--accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   18. 响应式设计
   -------------------------------------------------------------------------- */

/* 平板与中等屏幕 */
@media (max-width: 1024px) {
  .nav-links {
    gap: 18px;
  }

  .nav-links a {
    font-size: 0.88rem;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .search-box {
    max-width: 240px;
  }
}

/* 移动端 */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .search-box {
    display: none;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .hero h1 {
    font-size: 1.85rem;
  }

  .hero p {
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .hero::before {
    width: 400px;
    height: 400px;
    top: -30%;
    right: -30%;
  }

  .hero::after {
    width: 320px;
    height: 320px;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-subtitle {
    font-size: 0.98rem;
    margin-bottom: 36px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card {
    padding: 24px;
  }

  .article-item {
    padding: 22px 20px;
  }

  .faq-question {
    padding: 16px 20px;
    font-size: 0.95rem;
  }

  .faq-answer {
    padding: 0 20px;
  }

  .faq-item.open .faq-answer {
    padding: 0 20px 18px;
  }

  .howto-step {
    flex-direction: column;
    gap: 14px;
    padding: 22px 20px;
  }

  .howto-step:hover {
    transform: translateY(-4px);
  }

  .step-num {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .team-grid,
  .contact-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 18px;
  }

  .team-card,
  .contact-card {
    padding: 24px 18px;
  }

  .team-avatar {
    width: 68px;
    height: 68px;
    font-size: 1.5rem;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 40px;
  }

  .stat-item {
    padding: 20px 14px;
  }

  .stat-number {
    font-size: 1.7rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  .footer {
    padding: 48px 0 28px;
  }

  .footer-grid {
    gap: 28px;
    margin-bottom: 32px;
  }

  .back-to-top {
    width: 44px;
    height: 44px;
    bottom: 20px;
    right: 20px;
    font-size: 1.15rem;
  }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 44px 0 40px;
  }

  .hero h1 {
    font-size: 1.5rem;
    line-height: 1.35;
  }

  .hero p {
    font-size: 0.95rem;
    line-height: 1.8;
  }

  .hero-btns {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .btn {
    width: 100%;
    padding: 13px 24px;
    font-size: 0.95rem;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .section-title::after {
    width: 48px;
    height: 3px;
  }

  .section-subtitle {
    font-size: 0.92rem;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 16px 10px;
    border-radius: var(--radius);
  }

  .stat-number {
    font-size: 1.45rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .card {
    padding: 20px;
    border-radius: var(--radius);
  }

  .card-icon {
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
    border-radius: 12px;
  }

  .card h3 {
    font-size: 1.05rem;
  }

  .card p {
    font-size: 0.9rem;
  }

  .article-meta {
    gap: 10px;
    font-size: 0.78rem;
  }

  .article-item h3 {
    font-size: 1.02rem;
  }

  .article-item p {
    font-size: 0.9rem;
  }

  .team-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    width: 42px;
    height: 42px;
    bottom: 16px;
    right: 16px;
  }

  .breadcrumb {
    font-size: 0.82rem;
    padding: 14px 0;
  }
}

/* 超小屏 */
@media (max-width: 360px) {
  .hero h1 {
    font-size: 1.3rem;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .logo {
    font-size: 1.1rem;
  }

  .logo svg {
    width: 28px;
    height: 28px;
  }
}

/* --------------------------------------------------------------------------
   19. 无障碍与动效偏好
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
  :root {
    --border: #000;
    --text-secondary: #000;
  }

  [data-theme="dark"] {
    --border: #fff;
    --text-secondary: #fff;
  }
}

/* 打印样式 */
@media print {
  .navbar,
  .mobile-nav,
  .back-to-top,
  .theme-toggle,
  .search-box,
  .hero-btns,
  .footer {
    display: none !important;
  }

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

  .card,
  .article-item,
  .faq-item,
  .howto-step {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }

  .faq-answer {
    max-height: none !important;
    padding: 0 24px 20px !important;
  }
}
```