```css

/* ========== 樱花影视 · 清新浪漫影视平台 ========== */
/* ========== 设计令牌 & 高可读性颜色系统 ========== */
:root {
  --bg: #f9fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --text-strong: #17202a;
  --text-body: #1f2937;
  --text-secondary: #2d3e50;
  --text-tertiary: #3e4e62;
  --text-link: #1d4ed8;
  --text-invert: #f8fafc;
  --brand: #2a6f97;
  --brand-dark: #1d4b6e;
  --border: #cbd5e1;
  --shadow: 0 8px 20px rgba(0,0,0,0.04);
  --nav-bg: rgba(255,255,255,0.92);
  --footer-bg: #17202a;
  --footer-text: #e2e8f0;
  --footer-heading: #ffffff;
  --code-bg: #eef2f6;
  --gradient-hero: linear-gradient(145deg, #e0f2fe, #fdf2f8, #f0f9ff);
  --gradient-card: linear-gradient(145deg, #ffffff, #f8fafc);
  --glass-bg: rgba(255,255,255,0.7);
  --glass-border: rgba(255,255,255,0.3);
  --glow: 0 4px 24px rgba(42,111,151,0.15);
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #0b141f;
  --surface: #1a2535;
  --surface-alt: #1f2c3d;
  --text-strong: #ffffff;
  --text-body: #e2e8f0;
  --text-secondary: #cbd5e1;
  --text-tertiary: #b0becb;
  --text-link: #7cb8ff;
  --text-invert: #0f172a;
  --brand: #5fa8d3;
  --brand-dark: #8ecae6;
  --border: #334155;
  --nav-bg: rgba(15, 23, 42, 0.92);
  --footer-bg: #0b141f;
  --footer-text: #cbd5e1;
  --footer-heading: #ffffff;
  --gradient-hero: linear-gradient(145deg, #1a2535, #1f2c3d, #0b141f);
  --gradient-card: linear-gradient(145deg, #1a2535, #1f2c3d);
  --glass-bg: rgba(26, 37, 53, 0.7);
  --glass-border: rgba(255,255,255,0.1);
  --glow: 0 4px 24px rgba(95,168,211,0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
  word-break: break-word;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* 背景装饰 */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(42, 111, 151, 0.05) 0%, transparent 60%),
              radial-gradient(circle at 70% 80%, rgba(244, 114, 182, 0.04) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

h1, h2, h3, h4, h5 {
  color: var(--text-strong);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; margin-top: 2rem; border-left: 6px solid var(--brand); padding-left: 1rem; }
h3 { font-size: 1.5rem; margin-top: 1.5rem; }
h4 { font-size: 1.2rem; color: var(--text-strong); }

p { margin-bottom: 1.2rem; color: var(--text-body); }

a {
  color: var(--text-link);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-fast);
}
a:hover { 
  border-bottom-color: currentColor; 
  text-decoration: underline;
  color: var(--brand);
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ========== 导航栏 ========== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-fast);
}

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

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1240px;
  margin: 0 auto;
  gap: 16px;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-strong);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo svg { 
  width: 34px; 
  height: 34px;
  filter: drop-shadow(0 2px 8px rgba(42,111,151,0.3));
  animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.logo span {
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: var(--text-strong);
  transition: all var(--transition-fast);
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
  font-weight: 500;
}

.nav-links a {
  color: var(--text-body);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand);
  transition: width var(--transition-medium);
}

.nav-links a:hover {
  color: var(--brand);
  text-decoration: none;
}

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

.search-box {
  display: flex;
  align-items: center;
  background: var(--surface);
  border-radius: 40px;
  padding: 4px 8px 4px 16px;
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.search-box:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(42,111,151,0.1);
}

.search-box input {
  border: none;
  background: transparent;
  color: var(--text-body);
  padding: 8px 6px;
  outline: none;
  width: 180px;
  font-size: 0.95rem;
}

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

.search-box button {
  background: var(--brand);
  border: none;
  color: white;
  padding: 8px 16px;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.search-box button:hover {
  background: var(--brand-dark);
  transform: scale(1.02);
}

/* 移动菜单按钮 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-strong);
  cursor: pointer;
  padding: 4px;
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--surface-alt);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 12px 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium);
}

.mobile-nav.open {
  display: flex;
  max-height: 400px;
}

.mobile-nav a {
  padding: 10px 0;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--brand);
  padding-left: 8px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  padding: 14px 32px;
  border-radius: 60px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(42,111,151,0.3);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(42,111,151,0.4);
}

.btn:hover::before {
  left: 100%;
}

/* ========== 卡片 ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin: 32px 0;
}

.card {
  background: var(--gradient-card);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(42,111,151,0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--glow);
}

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

.card h3 { margin-top: 0; }
.card p { color: var(--text-body); }

/* ========== Hero 横幅 ========== */
.hero {
  background: var(--gradient-hero);
  border-radius: 40px;
  padding: 48px 40px;
  margin: 36px 0;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: heroGlow 6s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% { box-shadow: 0 8px 32px rgba(42,111,151,0.1); }
  50% { box-shadow: 0 8px 48px rgba(42,111,151,0.2); }
}

.hero::before {
  content: '🌸';
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 6rem;
  opacity: 0.1;
  animation: heroFloat 8s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(10deg); }
}

.hero h1 { 
  font-size: 3rem; 
  position: relative;
  z-index: 1;
}

.hero p { 
  font-size: 1.2rem; 
  max-width: 700px;
  position: relative;
  z-index: 1;
}

/* ========== FAQ 样式 ========== */
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  margin-bottom: 16px;
  padding: 0 20px;
  transition: all var(--transition-medium);
  overflow: hidden;
}

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-strong);
  transition: color var(--transition-fast);
}

.faq-question span {
  font-size: 1.4rem;
  color: var(--brand);
  transition: transform var(--transition-medium);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-question span {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding-bottom: 20px;
  color: var(--text-body);
  border-top: 1px solid var(--border);
  padding-top: 16px;
  animation: fadeIn var(--transition-medium);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.faq-item.active .faq-answer { display: block; }

/* ========== 页脚 ========== */
.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 50px 0 30px;
  margin-top: 60px;
  border-radius: 48px 48px 0 0;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--brand-dark), var(--brand));
  background-size: 200% 100%;
  animation: gradientMove 4s linear infinite;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.footer h4 {
  color: var(--footer-heading);
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.footer a {
  color: var(--footer-text);
  transition: all var(--transition-fast);
}

.footer a:hover { 
  color: #fff;
  text-decoration: none;
  padding-left: 4px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.footer-bottom {
  border-top: 1px solid #334155;
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
  color: var(--footer-text);
}

/* ========== 文章卡片 ========== */
.article-list {
  display: grid;
  gap: 20px;
}

.article-item {
  background: var(--surface);
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.article-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--brand);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.article-item:hover {
  transform: translateX(8px);
  box-shadow: var(--glow);
}

.article-item:hover::before {
  opacity: 1;
}

.article-item .meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 8px;
  display: inline-block;
  background: var(--surface-alt);
  padding: 4px 12px;
  border-radius: 20px;
}

/* ========== 表格 ========== */
.table-wrap {
  overflow-x: auto;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
}

th, td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th { 
  background: var(--surface-alt); 
  color: var(--text-strong); 
  font-weight: 600;
  position: sticky;
  top: 0;
}

tr:hover td {
  background: var(--surface-alt);
}

/* ========== 其他辅助样式 ========== */
.breadcrumb {
  padding: 16px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

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

.tag {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: white;
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 0.8rem;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(42,111,151,0.3);
  transition: all var(--transition-fast);
}

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

.svg-placeholder {
  background: var(--surface-alt);
  border-radius: 20px;
  padding: 20px;
  text-align: center;
  color: var(--text-strong);
  border: 2px dashed var(--border);
  transition: all var(--transition-fast);
}

.svg-placeholder:hover {
  border-color: var(--brand);
}

/* ========== 滚动动画 ========== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible { 
  opacity: 1; 
  transform: none;
}

/* ========== 返回顶部按钮 ========== */
#backTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--brand);
  color: white;
  border: none;
  border-radius: 40px;
  padding: 12px 16px;
  font-size: 1.4rem;
  cursor: pointer;
  display: none;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(42,111,151,0.3);
  transition: all var(--transition-medium);
  animation: backTopPulse 3s ease-in-out infinite;
}

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

#backTop:hover {
  background: var(--brand-dark);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(42,111,151,0.4);
}

/* ========== 主题切换按钮 ========== */
body > button[style*="position:fixed"] {
  transition: all var(--transition-medium);
}

body > button[style*="position:fixed"]:hover {
  transform: rotate(20deg) scale(1.1);
}

/* ========== 响应式设计 ========== */
@media (max-width: 900px) {
  .nav-links, .search-box { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav.open { display: flex; }
  .hero h1 { font-size: 2rem; }
  .hero { padding: 32px 24px; }
  .container { padding: 0 16px; }
}

@media (max-width: 600px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.6rem; }
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 1rem; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .nav-container { padding: 12px 16px; }
  .logo { font-size: 1.4rem; }
  .logo svg { width: 28px; height: 28px; }
  .btn { padding: 12px 24px; font-size: 0.95rem; }
}

@media (max-width: 400px) {
  .hero { border-radius: 24px; }
  .card { padding: 16px; }
  .article-item { padding: 16px; }
}

/* ========== 打印样式 ========== */
@media print {
  .navbar, .footer, #backTop, .search-box, .menu-toggle {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
  
  .hero {
    background: none;
    border: none;
    padding: 20px 0;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
}

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

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

::selection {
  background: var(--brand);
  color: white;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--brand);
  border-radius: 20px;
  border: 2px solid var(--surface-alt);
}

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

/* ========== 联系信息卡片样式 ========== */
section[id="contact"] div[style*="grid"] > div {
  background: var(--surface);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all var(--transition-medium);
}

section[id="contact"] div[style*="grid"] > div:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow);
  border-color: var(--brand);
}

section[id="contact"] h4 {
  color: var(--brand);
  margin-bottom: 8px;
}

/* ========== 友情链接区域 ========== */
section[style*="margin-top: 40px"] a {
  background: var(--surface);
  padding: 8px 20px;
  border-radius: 30px;
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
}

section[style*="margin-top: 40px"] a:hover {
  background: var(--brand);
  color: white;
  border-color: var(--brand);
  transform: translateY(-2px);
  box-shadow: var(--glow);
  text-decoration: none;
}

/* ========== 版权信息区域 ========== */
section[style*="margin-top: 40px"] div[style*="border-top"] {
  text-align: center;
  padding: 20px 0;
}

section[style*="margin-top: 40px"] div[style*="border-top"] a {
  background: none;
  padding: 0;
  border: none;
  border-radius: 0;
}

section[style*="margin-top: 40px"] div[style*="border-top"] a:hover {
  background: none;
  color: var(--brand);
  border-bottom: 1px solid var(--brand);
  box-shadow: none;
  transform: none;
}

/* ========== 新手指南特殊样式 ========== */
section:has(> h2:contains("新手")) {
  background: var(--surface);
  border-radius: 24px;
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

section:has(> h2:contains("新手")) p {
  padding-left: 16px;
  border-left: 3px solid var(--brand);
  margin-bottom: 12px;
}

section:has(> h2:contains("新手")) p strong {
  color: var(--brand);
}

/* ========== 暗色模式下的特殊优化 ========== */
[data-theme="dark"] .search-box input {
  color-scheme: dark;
}

[data-theme="dark"] .card {
  background: var(--gradient-card);
}

[data-theme="dark"] .hero::before {
  opacity: 0.05;
}

[data-theme="dark"] .btn {
  box-shadow: 0 4px 16px rgba(95,168,211,0.3);
}

/* ========== 动画增强 ========== */
@keyframes shimmer {
  0% { background-position: -100% 0; }
  100% { background-position: 100% 0; }
}

.card:hover h3 {
  color: var(--brand);
  transition: color var(--transition-fast);
}

/* ========== 移动端触摸优化 ========== */
@media (hover: none) {
  .card:hover {
    transform: none;
  }
  
  .article-item:hover {
    transform: none;
  }
  
  .btn:hover {
    transform: scale(1);
  }
  
  .nav-links a::after {
    display: none;
  }
}

/* ========== 高对比度模式支持 ========== */
@media (prefers-contrast: more) {
  :root {
    --text-secondary: #1a1a1a;
    --text-tertiary: #2d2d2d;
    --border: #000000;
  }
  
  [data-theme="dark"] {
    --text-secondary: #ffffff;
    --text-tertiary: #f0f0f0;
    --border: #ffffff;
  }
}

/* ========== 性能优化：动画层提升 ========== */
.navbar, .hero, .card, .footer {
  will-change: transform;
}

/* ========== 最后：确保所有内容可见性 ========== */
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* 确保在没有JS的情况下内容可见 */
.no-js .reveal {
  opacity: 1;
  transform: none;
}

```