/* ============================================================
   dytt电影天堂 · 帧帧天堂，幕幕光影
   Cinematic Paper — Awwwards 风格设计系统
   ============================================================ */

:root {
  --bg: #FBF7F0;
  --bg-alt: #F1EBE0;
  --bg-card: #FFFFFF;
  --primary: #FF4D3D;
  --primary-dark: #E5392A;
  --primary-light: #FF7B6B;
  --secondary: #1A7F78;
  --secondary-light: #2AA79E;
  --accent: #FFD166;
  --accent-light: #FFE29A;
  --text: #2D2A26;
  --text-light: #8A857E;
  --border: #E5DED3;
  --white: #FFFFFF;
  --shadow: 0 8px 32px rgba(45, 42, 38, 0.08);
  --shadow-hover: 0 16px 48px rgba(45, 42, 38, 0.14);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

/* ============================================================
   Core Layout
   ============================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-alt);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 12px;
  color: var(--primary);
  text-transform: uppercase;
  border: 1.5px solid var(--primary);
  padding: 5px 14px;
  border-radius: 50px;
  background: rgba(255, 77, 61, 0.06);
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 14px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.3;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--primary) 0 4px, transparent 4px 8px);
  margin-top: 12px;
  border-radius: 2px;
}

.text-center {
  text-align: center;
}

.text-accent {
  color: var(--primary);
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ============================================================
   Navigation — 电影胶片导航
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(251, 247, 240, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(45, 42, 38, 0.05);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--primary) 0 6px, transparent 6px 12px);
  opacity: 0.6;
  pointer-events: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.5px;
  transition: var(--transition);
}

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

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(255, 77, 61, 0.35);
  position: relative;
}

.logo-icon::after {
  content: '▶';
  font-size: 0.7rem;
  margin-left: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
  position: relative;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

.main-nav a:not(.nav-cta):hover {
  color: var(--primary);
}

.nav-cta {
  padding: 9px 22px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 600;
  background: var(--primary);
  box-shadow: 0 4px 16px rgba(255, 77, 61, 0.3);
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 77, 61, 0.4);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--text);
  font-size: 1.4rem;
  border-radius: 8px;
  transition: var(--transition);
}

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

/* ============================================================
   Hero — 首页 · 帧帧天堂
   ============================================================ */

.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--bg);
  padding-top: 68px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 68px;
  left: 0;
  width: 100%;
  height: 5px;
  background: repeating-linear-gradient(90deg, var(--primary) 0 10px, transparent 10px 20px);
  opacity: 0.5;
  z-index: 1;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}

.hero-content {
  max-width: 760px;
  position: relative;
  z-index: 2;
  padding: 60px 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 7px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: var(--primary);
  color: white;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 18px rgba(255, 77, 61, 0.35);
}

.hero-eyebrow::before {
  content: '▶';
  font-size: 0.65rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  line-height: 1.08;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--text);
}

.hero h1 .accent-text {
  color: var(--primary);
  font-weight: 900;
  position: relative;
  display: inline-block;
}

.hero h1 .accent-text::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--accent);
  opacity: 0.35;
  border-radius: 4px;
  z-index: -1;
}

.hero p {
  font-size: 1.08rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 32px;
  color: var(--text-light);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero 右侧装饰图 */
.hero-image {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background: linear-gradient(140deg, var(--secondary) 0%, var(--secondary-light) 45%, var(--accent) 100%);
  min-height: 420px;
  transform: rotate(1.5deg);
  transition: transform 0.5s ease;
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.85;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 14px;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.8) 0 8px, transparent 8px 18px);
  z-index: 2;
}

.hero-image::after {
  content: '▶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 26px;
  padding-left: 6px;
  box-shadow: 0 12px 40px rgba(255, 77, 61, 0.45);
  z-index: 3;
  transition: var(--transition);
  border: 4px solid rgba(255,255,255,0.3);
}

.hero-image:hover::after {
  transform: translate(-50%, -50%) scale(1.12);
  box-shadow: 0 16px 48px rgba(255, 77, 61, 0.55);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255, 77, 61, 0.35);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 77, 61, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--secondary);
  color: var(--secondary);
}

.btn-outline:hover {
  background: var(--secondary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26, 127, 120, 0.3);
}

/* ============================================================
   Section Description & SEO
   ============================================================ */

.section-desc {
  max-width: 620px;
  opacity: 0.7;
  margin-bottom: 40px;
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.8;
}

.seo-description {
  max-width: 620px;
  margin: 0 auto 48px;
  opacity: 0.75;
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.8;
  text-align: center;
}

/* ============================================================
   Cards Grid — 电影票卡片
   ============================================================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1.5px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(45, 42, 38, 0.04);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  transform: scaleY(0);
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-origin: top;
}

.category-card:hover::before {
  transform: scaleY(1);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 77, 61, 0.3);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.3rem;
  background: var(--secondary);
  color: white;
  box-shadow: 0 4px 14px rgba(26, 127, 120, 0.25);
  transition: var(--transition);
}

.category-card:hover .card-icon {
  background: var(--primary);
  box-shadow: 0 4px 16px rgba(255, 77, 61, 0.3);
  transform: scale(1.05);
}

.category-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.category-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}

.card-link::after {
  content: '→';
  transition: transform 0.3s ease;
}

.card-link:hover {
  gap: 12px;
}

/* ============================================================
   Feature Block — 特性展示
   ============================================================ */

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  background: linear-gradient(135deg, #F4A261 0%, var(--accent) 100%);
  min-height: 300px;
}

.feature-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 10px;
  background: repeating-linear-gradient(90deg, var(--primary) 0 6px, transparent 6px 14px);
  z-index: 2;
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text {
  padding: 20px 0;
}

.feature-text .section-label {
  margin-bottom: 8px;
}

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text);
  line-height: 1.3;
  letter-spacing: -0.5px;
}

.feature-text p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
  transition: var(--transition);
}

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

.feature-list li:hover {
  padding-left: 6px;
  color: var(--primary);
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: var(--secondary);
  background: rgba(26, 127, 120, 0.12);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ============================================================
   Stats Bar — 数据条
   ============================================================ */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  background: var(--bg-card);
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(45, 42, 38, 0.04);
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--primary);
  transition: width 0.4s ease;
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.stat-item:hover::before {
  width: 100%;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 4px;
}

.stat-item:nth-child(2) .stat-number {
  color: var(--secondary);
}
.stat-item:nth-child(3) .stat-number {
  color: #F4A261;
}
.stat-item:nth-child(4) .stat-number {
  color: var(--primary);
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 6px;
  color: var(--text-light);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ============================================================
   Content Wall — 内容墙
   ============================================================ */

.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(45, 42, 38, 0.04);
  position: relative;
}

.content-wall-item::before {
  content: '';
  display: block;
  width: 100%;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--primary) 0 6px, transparent 6px 14px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(26, 127, 120, 0.2);
}

.content-wall-item:hover::before {
  opacity: 1;
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.content-wall-item:hover img {
  transform: scale(1.05);
}

.content-wall-body {
  padding: 20px;
}

.content-wall-body h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.content-wall-body p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

.content-wall-body .card-link {
  margin-top: 12px;
  font-size: 0.8rem;
}

/* ============================================================
   FAQ — 手风琴
   ============================================================ */

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--secondary);
  box-shadow: 0 4px 20px rgba(45, 42, 38, 0.06);
}

.faq-item.open {
  border-color: var(--secondary);
  box-shadow: 0 8px 30px rgba(26, 127, 120, 0.12);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  font-size: 0.95rem;
  transition: var(--transition);
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform 0.35s ease;
  color: var(--secondary);
  line-height: 1;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: var(--primary);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.7;
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.75;
}

.faq-item.open .faq-answer {
  display: block;
  opacity: 0.75;
}

/* ============================================================
   CTA Banner — 行动号召
   ============================================================ */

.cta-banner {
  padding: 64px 24px;
  text-align: center;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #C62828 100%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 77, 61, 0.3);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 60%;
  height: 220%;
  background: rgba(255, 255, 255, 0.06);
  transform: rotate(18deg);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.6) 0 8px, transparent 8px 16px);
  opacity: 0.7;
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
  opacity: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #f8f8f8;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* ============================================================
   Footer — 页脚
   ============================================================ */

.site-footer {
  padding: 64px 0 28px;
  background: var(--bg-alt);
  position: relative;
  border-top: 1px solid var(--border);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 5px;
  background: repeating-linear-gradient(90deg, var(--primary) 0 8px, transparent 8px 16px);
  opacity: 0.5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  font-size: 0.8rem;
  box-shadow: 0 3px 10px rgba(255, 77, 61, 0.3);
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
  max-width: 260px;
  margin-top: 8px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
  display: inline-block;
}

.footer-col ul li a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-light);
  letter-spacing: 0.5px;
}

/* ============================================================
   Responsive — 响应式
   ============================================================ */

@media (max-width: 960px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-image {
    min-height: 320px;
    max-width: 560px;
    margin: 0 auto;
  }
  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }

  .hero {
    min-height: auto;
    padding-top: 68px;
  }
  .hero-content {
    padding: 40px 0;
  }
  .hero h1 {
    font-size: 2.4rem;
  }
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .feature-block {
    grid-template-columns: 1fr !important;
    gap: 32px;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr !important;
  }

  .main-nav {
    display: none !important;
  }
  .menu-toggle {
    display: flex !important;
  }
  .main-nav.open {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--bg);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    gap: 4px;
  }
  .main-nav.open a {
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px dashed var(--border);
  }
  .main-nav.open a:last-child {
    border-bottom: none;
  }
  .main-nav.open .nav-cta {
    margin-top: 8px;
    text-align: center;
  }

  .section-title {
    font-size: 1.7rem;
  }
  .category-card {
    padding: 24px;
  }
  .stat-number {
    font-size: 2.2rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr !important;
  }
  .footer-grid {
    grid-template-columns: 1fr !important;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .hero-image {
    min-height: 240px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .cta-banner {
    padding: 48px 20px;
  }
  .cta-banner h2 {
    font-size: 1.6rem;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-buttons .btn {
    width: 100%;
  }
}

/* ============================================================
   Extra Cinematic Effects
   ============================================================ */

/* 电影胶片翻滚动画 · 用于 hover */
@keyframes filmFlicker {
  0% { opacity: 0.9; }
  50% { opacity: 1; }
  100% { opacity: 0.9; }
}

/* 渐入动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  animation: fadeInUp 0.8s ease both;
}

.hero-image {
  animation: fadeInUp 0.8s ease 0.15s both;
}

/* 电影票孔眼装饰 */
.category-card::after {
  content: '';
  position: absolute;
  right: 16px;
  top: -5px;
  width: 10px;
  height: 10px;
  background: var(--bg);
  border-radius: 50%;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

/* 链接悬停全局 */
a {
  outline: none;
}

a:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 内容墙卡片 loading 占位 */
.content-wall-item img[src=""] {
  background: linear-gradient(135deg, var(--bg-alt), var(--border));
  min-height: 200px;
}