```css
/* ===== 蘑菇影院 全局样式 ===== */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #334155;
  --text-heading: #111827;
  --text-link: #2563eb;
  --text-btn: #ffffff;
  --btn-bg: #1e3a8a;
  --border-color: #cbd5e1;
  --footer-bg: #1e293b;
  --footer-text: #e2e8f0;
  --nav-bg: rgba(255, 255, 255, 0.9);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --banner-gradient: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  --card-hover-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --text-primary: #e2e8f0;
  --text-secondary: #cbd5e1;
  --text-heading: #f8fafc;
  --text-link: #60a5fa;
  --text-btn: #ffffff;
  --btn-bg: #3b82f6;
  --border-color: #334155;
  --footer-bg: #0b1120;
  --footer-text: #e2e8f0;
  --nav-bg: rgba(15, 23, 42, 0.9);
  --banner-gradient: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  --card-hover-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

* {
  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, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background 0.3s, color 0.3s;
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

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

/* 标题层级 */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  margin-top: 2.5rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
  position: relative;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--btn-bg);
}

h3 {
  font-size: 1.5rem;
  margin-top: 1.8rem;
}

h4 {
  font-size: 1.2rem;
  margin-top: 1.2rem;
  color: var(--text-primary);
}

p {
  margin-bottom: 1rem;
  color: var(--text-primary);
  transition: color 0.3s;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}

a:hover {
  text-decoration: underline;
  color: #1d4ed8;
}

body.dark a:hover {
  color: #93c5fd;
}

/* 导航 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  gap: 1rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: color 0.3s;
  white-space: nowrap;
}

.logo:hover {
  text-decoration: none;
}

.logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.menu {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  font-weight: 500;
  margin: 0;
  padding: 0;
}

.menu a {
  color: var(--text-primary);
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.menu a:hover {
  color: var(--text-link);
  border-bottom-color: var(--text-link);
  text-decoration: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  background: var(--btn-bg);
  color: var(--text-btn);
  border: none;
  padding: 0.4rem 0.9rem;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  transition: all 0.3s;
  white-space: nowrap;
}

.theme-toggle:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-primary);
  padding: 0.2rem 0.5rem;
  transition: color 0.3s;
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 1rem;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.mobile-menu.open {
  display: flex;
  animation: slideDown 0.3s ease;
}

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

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

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

/* 搜索条 */
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border-radius: 30px;
  padding: 0.2rem 0.8rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
}

.search-box:focus-within {
  border-color: var(--text-link);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.search-box input {
  border: none;
  background: transparent;
  padding: 0.4rem 0.6rem;
  color: var(--text-primary);
  width: 120px;
  outline: none;
  font-size: 0.9rem;
  transition: width 0.3s;
}

.search-box input:focus {
  width: 160px;
}

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

.search-box button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.2rem;
  padding: 0.2rem;
  transition: transform 0.2s;
}

.search-box button:hover {
  transform: scale(1.1);
}

/* banner */
.banner {
  background: var(--banner-gradient);
  color: #f8fafc;
  padding: 4rem 0;
  margin-bottom: 2rem;
  border-radius: 0 0 20px 20px;
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  filter: blur(60px);
}

.banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 200px;
  height: 200px;
  background: rgba(245, 158, 11, 0.15);
  border-radius: 50%;
  filter: blur(50px);
}

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

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

.banner-text h1 {
  color: #ffffff;
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.banner-text p {
  color: #e2e8f0;
  font-size: 1.2rem;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

.banner-svg {
  flex: 0 0 240px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.banner-cta {
  display: inline-block;
  background: #f59e0b;
  color: #1e293b;
  font-weight: 700;
  padding: 0.8rem 2rem;
  border-radius: 40px;
  margin-top: 1rem;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.banner-cta:hover {
  transform: scale(1.02);
  background: #d97706;
  color: #0f172a;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* 卡片 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.8rem;
  margin: 2rem 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  transition: all 0.3s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-hover-shadow);
  border-color: var(--text-link);
}

.card h3 {
  margin-top: 0;
  font-size: 1.4rem;
  transition: color 0.3s;
}

.card h4 {
  margin-top: 0;
  transition: color 0.3s;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color 0.3s;
}

.card a {
  font-weight: 600;
  transition: color 0.3s;
}

/* 表格 */
.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

th {
  background: var(--bg-secondary);
  color: var(--text-heading);
  font-weight: 700;
  padding: 0.8rem 1rem;
  text-align: left;
  border-bottom: 2px solid var(--border-color);
  transition: background 0.3s, color 0.3s;
}

td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  transition: background 0.3s, color 0.3s;
}

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

/* FAQ */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 1rem;
  padding: 0.8rem 1.2rem;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.faq-item:hover {
  border-color: var(--text-link);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.faq-question {
  font-weight: 600;
  cursor: pointer;
  color: var(--text-heading);
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: color 0.3s;
}

.faq-question span {
  font-size: 1.2rem;
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 1rem;
}

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

.faq-answer {
  margin-top: 0.8rem;
  color: var(--text-primary);
  padding-top: 0.8rem;
  border-top: 1px dashed var(--border-color);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-answer p {
  margin-bottom: 0.5rem;
}

/* 文章列表 */
.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-list li {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s;
}

.article-list li:hover {
  padding-left: 0.5rem;
}

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

.article-list .date {
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.3rem;
  transition: color 0.3s;
}

.article-list a {
  font-size: 1.2rem;
  font-weight: 600;
  transition: color 0.3s;
}

.article-list p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.3rem;
  transition: color 0.3s;
}

/* footer */
footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 2.5rem 0;
  margin-top: 4rem;
  transition: background 0.3s;
}

footer .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

footer h4 {
  color: #f8fafc;
  border-bottom: 1px solid #334155;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

footer p {
  color: var(--footer-text);
  transition: color 0.3s;
}

footer a {
  color: #cbd5e1;
  transition: color 0.3s;
  line-height: 2;
}

footer a:hover {
  color: #ffffff;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid #334155;
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  color: #94a3b8;
}

.footer-bottom p {
  color: #94a3b8;
  margin-bottom: 0.5rem;
}

/* 按钮 */
.btn {
  display: inline-block;
  background: var(--btn-bg);
  color: var(--text-btn);
  padding: 0.6rem 1.4rem;
  border-radius: 30px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
}

.btn:hover {
  opacity: 0.9;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 返回顶部 */
.back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--btn-bg);
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 999;
  border: none;
  transition: all 0.3s;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

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

.back-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 数字动画 */
.stats {
  display: flex;
  gap: 2rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.stat-item {
  background: var(--bg-card);
  padding: 1.2rem 2rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  text-align: center;
  flex: 1;
  min-width: 150px;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-hover-shadow);
  border-color: var(--text-link);
}

.stat-item .num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-heading);
  transition: color 0.3s;
  display: block;
}

.stat-item .label {
  color: var(--text-secondary);
  transition: color 0.3s;
}

/* 滚动动画 */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 图片svg文字保证对比 */
.svg-text {
  fill: #1e293b;
  font-weight: 600;
  transition: fill 0.3s;
}

body.dark .svg-text {
  fill: #e2e8f0;
}

.svg-bg {
  fill: #e2e8f0;
  transition: fill 0.3s;
}

body.dark .svg-bg {
  fill: #1e293b;
}

/* 面包屑 */
.breadcrumb {
  padding: 1rem 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color 0.3s;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

/* 列表 */
ol {
  padding-left: 1.5rem;
  color: var(--text-primary);
  transition: color 0.3s;
}

ol li {
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

ul {
  list-style-position: inside;
}

/* 分割线 */
hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
  transition: border-color 0.3s;
}

/* 强调 */
strong {
  font-weight: 700;
  color: var(--text-heading);
  transition: color 0.3s;
}

/* 选中文本 */
::selection {
  background: var(--btn-bg);
  color: var(--text-btn);
}

/* 焦点可见性 */
:focus-visible {
  outline: 2px solid var(--text-link);
  outline-offset: 2px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .container {
    padding: 0 15px;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .banner-text h1 {
    font-size: 2.4rem;
  }
}

@media (max-width: 768px) {
  .menu, .search-box {
    display: none;
  }
  
  .hamburger {
    display: block;
  }
  
  .mobile-menu {
    position: static;
    box-shadow: none;
  }
  
  .banner .container {
    flex-direction: column;
    text-align: center;
  }
  
  .banner-text h1 {
    font-size: 2rem;
  }
  
  .banner-text p {
    font-size: 1.1rem;
  }
  
  .banner-svg {
    flex: 0 0 180px;
  }
  
  .banner-svg svg {
    width: 200px;
    height: 150px;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  
  .stats {
    gap: 1rem;
  }
  
  .stat-item {
    padding: 1rem;
    min-width: 120px;
  }
  
  .stat-item .num {
    font-size: 2rem;
  }
  
  .nav-inner {
    padding: 0.6rem 0;
  }
  
  .logo {
    font-size: 1.5rem;
  }
  
  .logo svg {
    width: 28px;
    height: 28px;
  }
  
  .theme-toggle {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
  }
  
  footer .container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .back-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 42px;
    height: 42px;
    font-size: 1.2rem;
  }
  
  .article-list a {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.3rem;
  }
  
  .banner {
    padding: 3rem 0;
  }
  
  .banner-text h1 {
    font-size: 1.6rem;
  }
  
  .banner-text p {
    font-size: 1rem;
  }
  
  .banner-cta {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .banner-svg {
    flex: 0 0 140px;
  }
  
  .banner-svg svg {
    width: 160px;
    height: 120px;
  }
  
  .nav-actions {
    gap: 0.5rem;
  }
  
  .theme-toggle {
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
  }
  
  .hamburger {
    font-size: 1.6rem;
  }
  
  .card {
    padding: 1.2rem;
  }
  
  .stats {
    flex-direction: column;
  }
  
  .stat-item {
    width: 100%;
  }
  
  .faq-item {
    padding: 0.7rem 1rem;
  }
  
  .back-top {
    bottom: 1rem;
    right: 1rem;
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }
}

/* 打印样式 */
@media print {
  .navbar, .banner, .back-top, .theme-toggle, .hamburger, .mobile-menu, .search-box {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
}

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

/* 自定义工具类 */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.hidden {
  display: none !important;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--text-link);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 图片占位 */
.img-placeholder {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-card) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
  min-height: 100px;
}

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