```css
/* ========== RESET & BASE ========== */
*, *::before, *::after { 
  margin: 0; 
  padding: 0; 
  box-sizing: border-box; 
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f5f5f7;
  color: #1d1d1f;
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
  min-height: 100vh;
}

body.dark { 
  background: #121212; 
  color: #f0f0f0; 
}

.container { 
  max-width: 1280px; 
  margin: 0 auto; 
  padding: 0 24px; 
}

a { color: inherit; }

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

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4 {
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.5rem, 3vw, 1.8rem); }
h3 { font-size: 1.3rem; }

p { margin-bottom: 0.75rem; }

.text-accent { color: #e50914; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-block;
  background: #e50914;
  color: #fff !important;
  padding: 12px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 4px 15px rgba(229, 9, 20, 0.3);
}

.btn:hover {
  background: #c40812;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(229, 9, 20, 0.4);
}

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

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  transition: background 0.3s ease, border-color 0.3s ease;
}

body.dark .site-header {
  background: rgba(18, 18, 18, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: #e50914;
  text-decoration: none;
  white-space: nowrap;
}

.logo svg {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: inherit;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #e50914;
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: #e50914;
}

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

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

.search-box {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 30px;
  padding: 4px 14px;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

body.dark .search-box {
  background: rgba(255, 255, 255, 0.1);
}

.search-box:focus-within {
  box-shadow: 0 0 0 2px rgba(229, 9, 20, 0.3);
}

.search-box svg {
  width: 18px;
  height: 18px;
  fill: #888;
  margin-right: 6px;
  flex-shrink: 0;
}

.search-box input {
  border: none;
  background: transparent;
  padding: 8px 0;
  width: 160px;
  outline: none;
  color: inherit;
  font-size: 0.9rem;
}

.search-box input::placeholder { color: #999; }

.dark-toggle, .menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  color: inherit;
  padding: 6px;
  border-radius: 50%;
  transition: background 0.2s ease, transform 0.2s ease;
  line-height: 1;
}

.dark-toggle:hover, .menu-toggle:hover {
  background: rgba(0, 0, 0, 0.1);
  transform: scale(1.05);
}

body.dark .dark-toggle:hover, body.dark .menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.menu-toggle { display: none; }

/* ========== BREADCRUMB ========== */
.breadcrumb {
  font-size: 0.85rem;
  padding: 20px 0 10px;
  color: #888;
}

.breadcrumb a {
  color: #e50914;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.breadcrumb a:hover { opacity: 0.8; }

.breadcrumb span { color: inherit; }

/* ========== BANNER ========== */
.banner {
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  border-radius: 24px;
  margin: 20px 0;
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(229, 9, 20, 0.2) 0%, transparent 70%);
  animation: bannerGlow 6s ease-in-out infinite alternate;
}

@keyframes bannerGlow {
  from { transform: translateY(0); opacity: 0.6; }
  to { transform: translateY(-20px); opacity: 1; }
}

.banner-text {
  color: white;
  max-width: 520px;
  position: relative;
  z-index: 1;
}

.banner-text h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 12px;
  line-height: 1.2;
}

.banner-text p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 20px;
}

.banner-text strong { color: #ff6b6b; }

.banner-poster {
  display: flex;
  gap: 14px;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.poster-item {
  width: 110px;
  height: 156px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.poster-item:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.4);
}

.poster-item:nth-child(2) { transform: translateY(10px); }
.poster-item:nth-child(2):hover { transform: translateY(2px) scale(1.03); }
.poster-item:nth-child(3) { transform: translateY(20px); }
.poster-item:nth-child(3):hover { transform: translateY(12px) scale(1.03); }

.poster-item svg {
  width: 100%;
  height: 100%;
  transition: transform 0.3s ease;
}

.poster-item:hover svg { transform: scale(1.05); }

/* ========== STATS ========== */
.stats {
  display: flex;
  gap: 40px;
  background: #fff;
  padding: 24px 30px;
  border-radius: 20px;
  margin: 20px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  justify-content: center;
  flex-wrap: wrap;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

body.dark .stats {
  background: #1e1e1e;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.stat-item {
  text-align: center;
  min-width: 100px;
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: #e50914;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  color: #888;
  font-size: 0.9rem;
  margin-top: 4px;
}

/* ========== CONTENT GRID ========== */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  margin-top: 20px;
}

/* ========== ARTICLES ========== */
.main-articles h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  border-left: 6px solid #e50914;
  padding-left: 16px;
}

.section-title {
  font-size: 1.8rem;
  margin: 40px 0 20px;
  position: relative;
  display: inline-block;
}

.article-card {
  background: #fff;
  padding: 28px;
  border-radius: 16px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

body.dark .article-card {
  background: #1e1e1e;
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

body.dark .article-card:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.article-card h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
  line-height: 1.4;
}

.article-meta {
  color: #888;
  font-size: 0.85rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-card p {
  margin-bottom: 12px;
  color: inherit;
}

.read-more {
  color: #e50914;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}

.read-more:hover { gap: 8px; }

/* ========== HOWTO STEPS ========== */
.howto-steps {
  counter-reset: step;
  padding-left: 0;
  list-style: none;
}

.howto-steps li {
  counter-increment: step;
  margin-bottom: 16px;
  padding-left: 44px;
  position: relative;
  line-height: 1.6;
}

.howto-steps li::before {
  content: counter(step);
  background: #e50914;
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: 0;
  top: 2px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(229, 9, 20, 0.3);
}

/* ========== SIDEBAR ========== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.side-block {
  background: #fff;
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

body.dark .side-block {
  background: #1e1e1e;
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.side-block h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
  border-bottom: 2px solid #eee;
  padding-bottom: 12px;
}

body.dark .side-block h3 { border-color: #333; }

/* FAQ */
.faq-item {
  margin-bottom: 16px;
  border-bottom: 1px dashed #ddd;
  padding-bottom: 12px;
  cursor: pointer;
}

body.dark .faq-item { border-color: #444; }

.faq-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.faq-question {
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.faq-question span {
  transition: transform 0.3s ease;
  color: #e50914;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, margin 0.35s ease, opacity 0.3s ease;
  color: #555;
  font-size: 0.9rem;
  opacity: 0;
}

body.dark .faq-answer { color: #aaa; }

.faq-item.open .faq-answer {
  max-height: 300px;
  margin-top: 10px;
  opacity: 1;
}

/* ========== FOOTER ========== */
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  padding: 30px 0;
  border-top: 1px solid #e0e0e0;
  margin-top: 40px;
}

body.dark .footer-links { border-color: #333; }

.footer-links a {
  color: #666;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

body.dark .footer-links a { color: #999; }

.footer-links a:hover { color: #e50914; }

.copyright {
  text-align: center;
  color: #888;
  padding: 20px 0;
  font-size: 0.8rem;
}

.copyright p { margin-bottom: 4px; }

/* ========== BACK TO TOP ========== */
.to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #e50914;
  color: white;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.3s ease;
  border: none;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(229, 9, 20, 0.4);
  z-index: 99;
}

.to-top.show {
  opacity: 1;
  visibility: visible;
}

.to-top:hover {
  background: #c40812;
  transform: translateY(-3px);
}

/* ========== ANIMATIONS ========== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========== LAZY LOAD ========== */
img[lazy] {
  opacity: 0;
  transition: opacity 0.4s ease;
}

img[lazy].loaded { opacity: 1; }

/* ========== SCHEMA HIDDEN ========== */
.schema-hidden { display: none; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr 300px;
    gap: 30px;
  }
  
  .banner-poster .poster-item:nth-child(3) { display: none; }
}

@media (max-width: 900px) {
  .content-grid { grid-template-columns: 1fr; }
  
  .sidebar { order: -1; }
  
  .stats { gap: 24px; }
  
  .stat-num { font-size: 1.8rem; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 16px 24px;
    gap: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  }

  body.dark .nav-links {
    background: #1e1e1e;
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }

  .nav-links.open { display: flex; }

  .menu-toggle { display: block; }

  .search-box input { width: 100px; }

  .banner {
    padding: 24px;
    flex-direction: column;
    text-align: center;
  }

  .banner-text { max-width: 100%; }

  .banner-poster {
    justify-content: center;
    margin-top: 8px;
  }

  .poster-item { width: 90px; height: 128px; }

  .stats {
    padding: 16px 20px;
    gap: 16px;
  }

  .stat-item { min-width: 70px; }

  .stat-num { font-size: 1.5rem; }

  .article-card { padding: 20px; }

  .side-block { padding: 20px; }

  .footer-links { gap: 16px; }

  .to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .logo { font-size: 1.2rem; }

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

  .search-box { display: none; }

  .banner-poster .poster-item:nth-child(2) { display: none; }

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

  .stat-item { min-width: auto; }

  .section-title {
    font-size: 1.5rem;
    margin: 30px 0 16px;
  }

  .article-card h3 { font-size: 1.2rem; }

  .footer-links { gap: 12px; }

  .footer-links a { font-size: 0.8rem; }
}

/* ========== DARK MODE SPECIFIC ========== */
body.dark .search-box input::placeholder { color: #777; }

body.dark .stat-label { color: #aaa; }

body.dark .article-meta { color: #999; }

body.dark .breadcrumb { color: #999; }

body.dark .breadcrumb a { color: #ff6b6b; }

/* ========== HOVER EFFECTS ========== */
@media (hover: hover) {
  .poster-item { transition: transform 0.3s ease, box-shadow 0.3s ease; }
  
  .article-card { transition: transform 0.25s ease, box-shadow 0.3s ease, background 0.3s ease; }
  
  .btn { transition: all 0.25s ease; }
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

body.dark ::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
}

body.dark ::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ========== FOCUS STATES ========== */
a:focus-visible, button:focus-visible {
  outline: 2px solid #e50914;
  outline-offset: 2px;
}

/* ========== PRINT STYLES ========== */
@media print {
  .site-header, .banner, .stats, .sidebar, .footer-links, .to-top, .menu-toggle, .dark-toggle {
    display: none !important;
  }

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

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

  .article-card, .side-block {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
}
```