/* ============ 复古影院沙龙 | 看片网站在线观看 ============ */

:root {
  --primary: #E04A2F;
  --primary-dark: #C73A20;
  --primary-soft: rgba(224, 74, 47, 0.12);
  --accent: #D4A84B;
  --accent-soft: rgba(212, 168, 75, 0.18);
  --bg: #FBF3E8;
  --bg-alt: #F3E9DA;
  --surface: #FFFDF8;
  --text: #3A2A20;
  --text-light: rgba(58, 42, 32, 0.72);
  --border: rgba(58, 42, 32, 0.1);
  --shadow: 0 6px 24px rgba(58, 42, 32, 0.08);
  --radius: 16px;
}

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

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

.section {
  padding: 88px 0;
  position: relative;
}

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

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(251, 243, 232, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background: repeating-linear-gradient(
    to right,
    var(--primary) 0,
    var(--primary) 18px,
    transparent 18px,
    transparent 26px
  );
  opacity: 0.7;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.5px;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  box-shadow: 0 4px 14px rgba(224, 74, 47, 0.3);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  transition: color 0.25s, opacity 0.25s;
  position: relative;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

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

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

.main-nav a.nav-cta,
.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 999px;
  font-weight: 700 !important;
  box-shadow: 0 4px 14px rgba(224, 74, 47, 0.3);
  transition: all 0.25s ease;
}

.main-nav a.nav-cta:hover,
.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(224, 74, 47, 0.38);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: var(--primary-soft);
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  transition: background 0.2s;
}

.menu-toggle:hover {
  background: rgba(224, 74, 47, 0.22);
}

.menu-toggle::before,
.menu-toggle::after {
  content: '';
  position: absolute;
  left: 13px;
  right: 13px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s;
}

.menu-toggle::before {
  top: 16px;
}

.menu-toggle::after {
  bottom: 16px;
}

/* Hero */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  overflow: hidden;
  position: relative;
  padding: 120px 0 80px;
  background:
    radial-gradient(circle at 80% 35%, rgba(212, 168, 75, 0.22) 0%, transparent 48%),
    radial-gradient(circle at 95% 88%, rgba(224, 74, 47, 0.14) 0%, transparent 40%),
    linear-gradient(120deg, #FBF3E8 0%, #F2E4D3 55%, #E8D4BF 100%);
}

.hero::after {
  content: 'FILM';
  position: absolute;
  right: -10px;
  bottom: -30px;
  font-size: 11rem;
  font-weight: 900;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(224, 74, 47, 0.18);
  letter-spacing: -6px;
  pointer-events: none;
  z-index: 0;
  user-select: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  width: 48px;
  height: 100%;
  background: repeating-linear-gradient(
    to bottom,
    rgba(224, 74, 47, 0.1) 0,
    rgba(224, 74, 47, 0.1) 10px,
    transparent 10px,
    transparent 22px
  );
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  max-width: 640px;
  position: relative;
  z-index: 2;
  flex: 1.2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 20px;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(224, 74, 47, 0.28);
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1.12;
  margin-bottom: 20px;
  font-weight: 900;
  letter-spacing: -1.5px;
  color: var(--text);
}

.hero h1::after {
  content: '';
  display: block;
  width: 72px;
  height: 5px;
  background: var(--primary);
  border-radius: 3px;
  margin-top: 14px;
}

.hero p {
  font-size: 1.08rem;
  color: var(--text-light);
  max-width: 480px;
  margin-bottom: 34px;
  line-height: 1.75;
}

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

.hero-image {
  flex: 1;
  max-width: 440px;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  z-index: 2;
  border: 1px solid var(--border);
  box-shadow: 0 20px 48px rgba(58, 42, 32, 0.18);
  transform: rotate(2deg);
  transition: transform 0.4s ease;
}

.hero-image:hover {
  transform: rotate(0deg) translateY(-4px);
}

.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: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(224, 74, 47, 0.32);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(224, 74, 47, 0.4);
}

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

.btn-outline:hover {
  background: var(--primary-soft);
  transform: translateY(-2px);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 5px 18px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 900;
  margin-bottom: 18px;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--text);
}

.section-desc {
  max-width: 600px;
  color: var(--text-light);
  margin-bottom: 44px;
  font-size: 1rem;
  line-height: 1.7;
}

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

.category-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 30px 28px 36px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.category-card::after {
  content: '';
  position: absolute;
  bottom: 18px;
  left: 28px;
  right: 28px;
  border-bottom: 2px dashed rgba(224, 74, 47, 0.18);
  transition: border-color 0.3s;
}

.category-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 32px rgba(224, 74, 47, 0.1);
}

.category-card:hover::before {
  opacity: 1;
}

.category-card:hover::after {
  border-color: rgba(224, 74, 47, 0.4);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
  transition: background 0.3s, transform 0.3s;
}

.category-card:hover .card-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text);
}

.category-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.6;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link::after {
  content: '→';
  transition: transform 0.25s;
}

.card-link:hover::after {
  transform: translateX(5px);
}

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

.feature-block:nth-child(even) .feature-image {
  order: 2;
}

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
}

.feature-image::before {
  content: '▶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.3s;
}

.feature-image:hover::before {
  transform: translate(-50%, -50%) scale(1.08);
  background: var(--primary);
  color: #fff;
}

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

.feature-text {
  position: relative;
  padding: 8px 0;
}

.feature-text h3 {
  font-size: 1.7rem;
  font-weight: 900;
  margin-bottom: 14px;
  line-height: 1.3;
}

.feature-text p {
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.75;
}

.feature-list {
  list-style: none;
  margin-top: 24px;
}

.feature-list li {
  padding: 9px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-light);
}

.feature-list li::before {
  content: '▶';
  font-size: 0.65rem;
  color: var(--primary);
  background: var(--primary-soft);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}

.feature-list li:hover::before {
  background: var(--primary);
  color: #fff;
}

/* 数据条 */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.stat-item:hover::after {
  transform: scaleX(1);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 8px;
}

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

.content-wall-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all 0.3s ease;
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(224, 74, 47, 0.12);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.content-wall-item:hover img {
  transform: scale(1.03);
}

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

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.content-wall-body p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0;
}

.content-wall-item .play-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(224, 74, 47, 0.9);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

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

.faq-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--surface);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 4px 20px rgba(224, 74, 47, 0.1);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  color: var(--text);
  transition: color 0.2s;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.3s;
  line-height: 1;
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-item .faq-answer {
  padding: 0 24px 18px;
  display: none;
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* CTA横幅 */
.cta-banner {
  padding: 64px 24px;
  text-align: center;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(135deg, #E04A2F 0%, #C73A20 50%, #A92B10 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -30px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 220px;
  height: 220px;
  background: repeating-linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.04) 0,
    rgba(255, 255, 255, 0.04) 12px,
    transparent 12px,
    transparent 24px
  );
  border-radius: 50%;
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 900;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 520px;
  margin: 0 auto 30px;
  position: relative;
  z-index: 2;
  font-size: 1rem;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.16);
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary:hover {
  background: #FBF3E8;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
}

/* 页脚 */
.site-footer {
  background: var(--bg-alt);
  padding: 64px 0 30px;
  border-top: 1px solid var(--border);
  color: var(--text);
}

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

.footer-brand {
  position: relative;
}

.footer-brand::before {
  content: '';
  display: block;
  width: 44px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
  margin-bottom: 18px;
}

.footer-brand p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  padding: 5px 0;
}

.footer-col a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s, padding-left 0.2s;
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(58, 42, 32, 0.1);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
}

.footer-bottom a {
  color: var(--primary);
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

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

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--text-light);
  font-size: 1rem;
  line-height: 1.8;
}

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

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

/* 额外的装饰细节 */
.section-label::before {
  content: '◬ ';
  font-size: 0.85rem;
}

.hero .hero-eyebrow::before {
  content: '★ ';
  font-size: 0.7rem;
}

/* 响应式 */
@media (max-width: 992px) {
  .hero {
    flex-direction: column;
    gap: 48px;
    padding: 110px 0 60px;
    text-align: center;
  }

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

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero h1::after {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    max-width: 100%;
    width: 100%;
    transform: none;
  }

  .feature-block {
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .feature-block:nth-child(even) .feature-image {
    order: 0;
  }

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

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

  .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--surface);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(58, 42, 32, 0.12);
    border-radius: 0 0 20px 20px;
    z-index: 999;
  }

  .main-nav.open {
    display: flex;
    animation: fadeInUp 0.3s ease;
  }

  .menu-toggle {
    display: block;
  }

  .hero::after {
    font-size: 7rem;
    right: 0;
    bottom: -10px;
  }

  .hero::before {
    width: 32px;
    left: 14px;
  }
}

@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;
    width: 100%;
  }

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

  .hero {
    padding: 100px 0 48px;
  }

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

  .hero p {
    font-size: 0.98rem;
  }

  .stats-bar {
    gap: 12px;
  }

  .stat-item {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 1.9rem;
  }

  .cta-banner {
    padding: 48px 20px;
    border-radius: 18px;
  }

  .content-wall-item img {
    height: 180px;
  }

  .footer-bottom {
    font-size: 0.78rem;
  }
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--primary), var(--accent));
  border-radius: 5px;
}

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

/* 选择 */
::selection {
  background: var(--primary);
  color: #fff;
}

/* 页脚装饰线 */
.site-footer::before {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  margin: 0 auto 32px;
  border-radius: 2px;
}