```css
/* ============================================================
   免费电影 · 零元放映 光影无价
   Design System: 「Ticket Stub Cinéma」
   配色: 奶油白 × 赤陶橙 × 茵绿 × 琥珀金
   ============================================================ */

/* ===== 基础重置 ===== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #FBF4EC;
  color: #2E2420;
}

/* ===== 设计令牌 ===== */
:root {
  --cream: #FBF4EC;
  --paper: #FFF9F2;
  --terracotta: #D9654C;
  --terracotta-dark: #BC4B35;
  --teal: #1E7A70;
  --teal-dark: #145A53;
  --amber: #E8A33D;
  --ink: #2E2420;
  --ink-soft: #71645C;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-soft: 0 6px 24px rgba(46,36,32,0.06);
  --shadow-hover: 0 16px 44px rgba(46,36,32,0.14);
}

/* ===== 核心布局 ===== */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#FFF9F2; }

/* ===== 导航 · 电影片头字幕栏 ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  background: rgba(251,244,236,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(46,36,32,0.06);
  box-shadow: 0 2px 16px rgba(46,36,32,0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 40px; height: 40px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: repeating-linear-gradient(
    135deg,
    var(--terracotta) 0 5px,
    var(--paper) 5px 10px
  );
  color: var(--ink);
  position: relative;
  box-shadow: 0 4px 12px rgba(217,101,76,0.35);
}

.logo-icon::after {
  content: '▶';
  position: absolute;
  font-size: 0.7rem;
  color: var(--teal-dark);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--paper);
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  position: relative;
  padding: 6px 0;
  transition: color 0.25s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--terracotta);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: var(--terracotta);
}

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

.nav-cta {
  padding: 10px 22px !important;
  border-radius: 50px;
  background: var(--terracotta);
  color: #fff !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 16px rgba(217,101,76,0.35);
}

.nav-cta::after { display: none; }

.nav-cta:hover {
  background: var(--terracotta-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(217,101,76,0.45);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  background: var(--paper);
  border: none;
  width: 42px; height: 42px;
  border-radius: 12px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  font-size: 1.4rem;
  box-shadow: var(--shadow-soft);
}

/* ===== Hero · 零元放映大标题 ===== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  gap: 48px;
  position: relative;
  overflow: hidden;
  padding: 120px 0 60px;
}

/* 星光 / 银幕颗粒 */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 25%, rgba(217,101,76,0.05) 0 2px, transparent 3px),
    radial-gradient(circle at 85% 45%, rgba(30,122,112,0.05) 0 2px, transparent 3px),
    radial-gradient(circle at 50% 85%, rgba(232,163,61,0.06) 0 2px, transparent 3px);
  background-size: 60px 60px, 80px 80px, 50px 50px;
  pointer-events: none;
}

/* 巨型 "零" 水印 */
.hero::after {
  content: '零';
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 42rem;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(217,101,76,0.08);
  pointer-events: none;
  z-index: 0;
  letter-spacing: -0.1em;
}

.hero-content {
  max-width: 680px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 6px 18px;
  border-radius: 50px;
  background: rgba(232,163,61,0.15);
  color: #B97A1E;
  border: 1px solid rgba(232,163,61,0.35);
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}

.hero-eyebrow::before {
  content: '🎟';
  font-size: 0.8rem;
}

.hero h1 {
  font-size: 3.4rem;
  line-height: 1.15;
  margin-bottom: 24px;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.hero h1 .text-accent {
  color: var(--terracotta);
  position: relative;
  display: inline-block;
}

.hero h1 .text-accent::after {
  content: '';
  position: absolute;
  left: 0; bottom: 4px;
  width: 100%; height: 10px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 12' preserveAspectRatio='none'%3E%3Cpath d='M0 8 Q 25 2 50 8 T 100 8' stroke='%23E8A33D' stroke-width='4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center / cover;
  opacity: 0.5;
  z-index: -1;
}

.hero p {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero 右侧 · 电影票卡片 */
.hero-image {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  width: 320px;
  border-radius: 4px;
  overflow: hidden;
  border: 8px solid var(--paper);
  box-shadow: 0 24px 60px rgba(46,36,32,0.15);
  background: linear-gradient(135deg, #FDF1DC, #F8DFC2);
  transform: rotate(2deg);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  margin-left: auto;
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.02);
  box-shadow: 0 32px 70px rgba(46,36,32,0.2);
}

.hero-image::after {
  content: '免费观影 · FREE';
  position: absolute;
  bottom: 12px; right: 12px;
  background: var(--terracotta);
  color: #fff;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 12px rgba(217,101,76,0.4);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--terracotta);
  color: #fff;
  box-shadow: 0 6px 20px rgba(217,101,76,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(217,101,76,0.45);
  background: var(--terracotta-dark);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--teal);
  color: var(--teal);
}

.btn-outline:hover {
  background: rgba(30,122,112,0.06);
  transform: translateY(-2px);
  border-color: var(--teal-dark);
}

/* ===== 标签 / 标题 ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--terracotta);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-label::before {
  content: '◀◀';
  font-size: 0.6rem;
  color: var(--teal);
  letter-spacing: -0.1em;
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 14px;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ink);
}

.section-desc {
  max-width: 600px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 48px;
  font-size: 0.98rem;
}

/* ===== 卡片网格 · 电影票式卡片 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px 28px;
}

.category-card {
  background: var(--paper);
  border-radius: 4px;
  padding: 32px 28px;
  border: 1px solid rgba(46,36,32,0.06);
  position: relative;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
}

/* 票券两侧半圆缺口 */
.category-card::before,
.category-card::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--cream);
  border: 1px solid rgba(46,36,32,0.06);
}

.category-card::before { left: -9px; }
.category-card::after { right: -9px; }

.category-card:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  box-shadow: var(--shadow-hover);
  border-color: rgba(217,101,76,0.2);
}

.card-icon {
  width: 54px; height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: #FDF1DC;
  color: var(--amber);
  transition: all 0.3s ease;
}

.category-card:hover .card-icon {
  background: var(--terracotta);
  color: #fff;
  transform: scale(1.08) rotate(-6deg);
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  letter-spacing: 0.03em;
  transition: gap 0.25s ease, color 0.2s ease;
}

.card-link:hover {
  gap: 12px;
  color: var(--terracotta);
}

/* ===== 特性块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #FDF1DC 0%, #F3E3C8 100%);
  border: 1px solid rgba(46,36,32,0.05);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
}

.feature-image::before {
  content: '🎬';
  font-size: 4rem;
  opacity: 0.4;
}

.feature-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.feature-text {
  position: relative;
  z-index: 2;
}

.feature-text .section-label {
  margin-bottom: 12px;
}

.feature-text .section-title {
  margin-bottom: 16px;
}

.feature-text p {
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--ink);
  border-bottom: 1px dashed rgba(46,36,32,0.1);
}

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

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: var(--terracotta);
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(217,101,76,0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

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

.stat-item {
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid rgba(46,36,32,0.05);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 44px; height: 4px;
  background: var(--amber);
  border-radius: 0 0 6px 6px;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--terracotta);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-top: 8px;
  letter-spacing: 0.05em;
}

/* ===== 内容墙 · 电影海报墙 ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--paper);
  border: none;
  box-shadow: var(--shadow-soft);
  transition: all 0.35s ease;
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-hover);
}

/* 免费角标 */
.content-wall-item::after {
  content: 'FREE';
  position: absolute;
  top: 14px; right: 14px;
  background: var(--terracotta);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.12em;
  box-shadow: 0 4px 10px rgba(217,101,76,0.4);
  z-index: 2;
}

.content-wall-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

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

.content-wall-body {
  padding: 22px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}

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

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(46,36,32,0.08);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--paper);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-item:hover {
  border-color: rgba(217,101,76,0.3);
  box-shadow: 0 4px 16px rgba(46,36,32,0.05);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--ink);
  transition: color 0.2s ease;
}

.faq-item:hover .faq-question {
  color: var(--terracotta);
}

.faq-question::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--terracotta);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: var(--ink-soft);
  line-height: 1.7;
  font-size: 0.95rem;
  border-top: 1px dashed rgba(46,36,32,0.08);
}

.faq-item.open .faq-answer {
  display: block;
  padding-top: 16px;
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  padding: 64px 40px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #E8A33D 0%, #D9654C 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 50px rgba(217,101,76,0.35);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50px; left: -50px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -70px; right: -30px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  color: rgba(255,255,255,0.9);
  max-width: 420px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 2;
  line-height: 1.7;
  font-size: 0.95rem;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--terracotta);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 72px 0 28px;
  background: #F2E9DE;
}

.site-footer .container {
  padding-bottom: 0;
}

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

.footer-brand {
  padding-right: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--ink);
  letter-spacing: 0.05em;
}

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

.footer-col a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 2.4;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--terracotta);
}

.footer-bottom {
  border-top: 1px solid rgba(46,36,32,0.08);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ===== 工具类 ===== */
.text-accent {
  color: var(--terracotta);
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--ink-soft);
  line-height: 1.8;
}

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

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--paper);
    padding: 24px;
    gap: 4px;
    box-shadow: 0 16px 30px rgba(46,36,32,0.12);
    border-bottom: 3px solid var(--terracotta);
  }

  .main-nav.open a {
    padding: 14px 8px;
    font-size: 1rem;
    width: 100%;
    border-bottom: 1px solid rgba(46,36,32,0.05);
  }

  .main-nav.open a::after { display: none; }

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 60px;
    flex-direction: column;
    gap: 36px;
  }

  .hero-content { max-width: 100%; }

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

  .hero::after {
    font-size: 16rem;
    right: -20px;
  }

  .hero-image {
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .cta-banner {
    padding: 48px 24px;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

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

  .cta-banner {
    padding: 36px 20px;
    border-radius: 16px;
  }

  .cta-banner h2 {
    font-size: 1.4rem;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .footer-brand {
    padding-right: 0;
  }

  .category-card {
    padding: 28px 20px;
  }

  .faq-item .faq-question {
    padding: 16px 18px;
    font-size: 0.92rem;
  }

  .faq-item .faq-answer {
    padding: 0 18px 16px;
  }
}