/* ================================================
   dytt 电影天堂 · 每一帧皆天堂
   "Golden Hour Cinema" — 金色时刻·影院美学
   ================================================ */

:root {
  --cream: #faf3ea;
  --cream-deep: #f0e5d7;
  --white: #ffffff;
  --coral: #f0523c;
  --coral-dark: #d43a24;
  --teal: #0d7266;
  --teal-light: #1a8f82;
  --amber: #f2a03d;
  --amber-light: #ffc477;
  --ink: #2d2a26;
  --muted: rgba(45, 42, 38, 0.62);
  --line: rgba(45, 42, 38, 0.1);
  --line-strong: rgba(45, 42, 38, 0.18);
  --shadow-coral: 0 16px 36px rgba(240, 82, 60, 0.16);
  --shadow-warm: 0 10px 28px rgba(45, 42, 38, 0.08);
}

*, *::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: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ============ 核心布局 ============ */

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

.section {
  padding: 90px 0;
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(180deg, var(--cream-deep), var(--cream));
}

/* ============ 导航头部 ============ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 243, 234, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s ease;
}

.site-header:hover {
  box-shadow: 0 6px 24px rgba(45, 42, 38, 0.06);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(90deg,
    var(--coral) 0 10px,
    transparent 10px 20px,
    var(--amber) 20px 30px,
    transparent 30px 40px);
  opacity: 0.35;
}

.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: 1.22rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: #fff;
  background: linear-gradient(135deg, var(--coral) 0%, var(--amber) 100%);
  box-shadow: 0 4px 14px rgba(240, 82, 60, 0.35);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 40%, rgba(255, 255, 255, 0.25) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.logo:hover .logo-icon::after {
  transform: translateX(100%);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 4px 2px;
  letter-spacing: 0.01em;
  transition: color 0.25s;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--coral), var(--amber));
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.nav-cta {
  padding: 8px 22px !important;
  border-radius: 24px;
  color: #fff !important;
  font-weight: 600 !important;
  background: linear-gradient(135deg, var(--coral), #f2785a);
  box-shadow: 0 4px 16px rgba(240, 82, 60, 0.28);
  transition: all 0.3s ease !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(240, 82, 60, 0.4);
  color: #fff !important;
  background: linear-gradient(135deg, var(--coral-dark), var(--coral));
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  font-size: 1.2rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
}

.menu-toggle:hover {
  border-color: var(--coral);
  color: var(--coral);
  box-shadow: 0 4px 12px rgba(240, 82, 60, 0.15);
}

/* ============ 首页 Hero ============ */

.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  background:
    radial-gradient(ellipse at 80% 40%, rgba(242, 160, 61, 0.1) 0%, transparent 55%),
    radial-gradient(ellipse at 15% 80%, rgba(13, 114, 102, 0.05) 0%, transparent 45%),
    var(--cream);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 90px;
  left: 40px;
  width: 14px;
  height: 55%;
  border-radius: 10px;
  background: repeating-linear-gradient(to bottom,
    rgba(240, 82, 60, 0.25) 0 10px,
    transparent 10px 18px);
  display: block;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 160, 61, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  width: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-content > * {
  opacity: 0;
  animation: heroReveal 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.08s; }
.hero-content > *:nth-child(2) { animation-delay: 0.18s; }
.hero-content > *:nth-child(3) { animation-delay: 0.28s; }
.hero-content > *:nth-child(4) { animation-delay: 0.38s; }

@keyframes heroReveal {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 18px;
  border-radius: 24px;
  margin-bottom: 20px;
  color: #a45a12;
  background: linear-gradient(135deg, rgba(242, 160, 61, 0.22), rgba(255, 196, 119, 0.18));
  border: 1px solid rgba(242, 160, 61, 0.35);
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 20px;
  position: relative;
}

.hero h1::first-line {
  color: var(--coral);
}

.hero p {
  font-size: 1.08rem;
  opacity: 0.68;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.hero-image {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  min-height: 440px;
  background:
    radial-gradient(circle at 72% 28%, rgba(255, 214, 150, 0.9) 0%, transparent 32%),
    linear-gradient(150deg, var(--amber) 0%, var(--coral) 45%, var(--teal) 120%);
  box-shadow: 0 32px 64px rgba(240, 82, 60, 0.22);
  transform: translateZ(0);
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 18px;
  left: 18px;
  right: 18px;
  height: 22px;
  border-radius: 4px;
  background: repeating-linear-gradient(90deg,
    rgba(45, 42, 38, 0.45) 0 12px,
    transparent 12px 26px);
  z-index: 3;
}

.hero-image::after {
  content: '';
  position: absolute;
  bottom: -50px;
  right: -30px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 214, 140, 0.45);
  filter: blur(28px);
  z-index: 1;
}

.hero-image img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
  position: relative;
  z-index: 2;
  transition: transform 0.6s ease;
}

.hero-image:hover img {
  transform: scale(1.04);
}

/* ============ 按钮 ============ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.02em;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--coral), #f2785a);
  box-shadow: 0 8px 24px rgba(240, 82, 60, 0.32);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(240, 82, 60, 0.42);
  background: linear-gradient(135deg, var(--coral-dark), var(--coral));
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(13, 114, 102, 0.4);
  color: var(--teal);
  font-weight: 600;
}

.btn-outline:hover {
  border-color: var(--teal);
  background: rgba(13, 114, 102, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(13, 114, 102, 0.12);
}

/* ============ 标签 / 标题 ============ */

.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--coral);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-left: 40px;
  position: relative;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--coral), var(--amber));
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-desc {
  max-width: 620px;
  opacity: 0.66;
  margin-bottom: 44px;
  font-size: 1.02rem;
  line-height: 1.8;
}

/* ============ 卡片网格 ============ */

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

.category-card {
  background: var(--white);
  border-radius: 22px;
  padding: 32px 28px;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--amber));
  opacity: 0;
  transition: opacity 0.4s;
}

.category-card::after {
  content: '✦';
  position: absolute;
  bottom: 20px;
  right: 24px;
  font-size: 0.8rem;
  color: var(--coral);
  opacity: 0.3;
  transition: all 0.35s;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-coral);
  border-color: transparent;
}

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

.category-card:hover::after {
  opacity: 1;
  transform: rotate(180deg) scale(1.2);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(240, 82, 60, 0.12), rgba(242, 160, 61, 0.15));
  color: var(--coral);
  transition: all 0.35s;
}

.category-card:hover .card-icon {
  background: linear-gradient(135deg, var(--coral), var(--amber));
  color: #fff;
  box-shadow: 0 8px 20px rgba(240, 82, 60, 0.3);
  transform: scale(1.08);
}

.card-link {
  font-weight: 700;
  font-size: 0.86rem;
  text-decoration: none;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.3s;
  margin-top: 8px;
}

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

.card-link:hover {
  color: var(--coral);
  gap: 8px;
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* ============ 特性块 ============ */

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

.feature-image {
  border-radius: 24px;
  overflow: hidden;
  min-height: 320px;
  background:
    radial-gradient(circle at 35% 25%, rgba(255, 214, 140, 0.7) 0%, transparent 35%),
    linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 60%, #7cc4a9 130%);
  box-shadow: 0 20px 40px rgba(13, 114, 102, 0.18);
  position: relative;
}

.feature-image::before {
  content: '';
  position: absolute;
  bottom: 22px;
  left: 22px;
  width: 70px;
  height: 70px;
  border: 3px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
}

.feature-image::after {
  content: '▶';
  position: absolute;
  bottom: 44px;
  left: 49px;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.2rem;
}

.feature-image img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  position: relative;
  z-index: 2;
}

.feature-text {
  padding: 12px 0;
}

.feature-text h3 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--ink);
}

.feature-text p {
  opacity: 0.66;
  margin-bottom: 24px;
  line-height: 1.8;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 0.96rem;
  border-bottom: 1px dashed var(--line);
}

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

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: var(--coral);
  font-size: 0.85rem;
}

/* ============ 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: 20px;
  border: 1px solid var(--line);
  background: var(--white);
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
  box-shadow: 0 4px 16px rgba(45, 42, 38, 0.03);
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--amber));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

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

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.04em;
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.6;
  margin-top: 10px;
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* ============ 内容墙 ============ */

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

.content-wall-item {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(45, 42, 38, 0.12);
  border-color: transparent;
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--amber) 0%, var(--coral) 60%, var(--teal) 130%);
  transition: transform 0.5s ease;
}

.content-wall-item:hover img {
  transform: scale(1.06);
}

.content-wall-body {
  padding: 24px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.content-wall-body p {
  font-size: 0.85rem;
  opacity: 0.55;
  line-height: 1.6;
}

/* ============ FAQ ============ */

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--white);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(240, 82, 60, 0.3);
  box-shadow: 0 4px 16px rgba(240, 82, 60, 0.08);
}

.faq-item.open {
  border-color: rgba(240, 82, 60, 0.35);
  box-shadow: 0 8px 24px rgba(240, 82, 60, 0.1);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 0.98rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink);
  gap: 16px;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--coral);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  transform: rotate(135deg);
  color: var(--teal);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.68;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink);
}

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

@keyframes faqFade {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 0.68; transform: translateY(0); }
}

/* ============ CTA 横幅 ============ */

.cta-banner {
  padding: 64px 48px;
  text-align: center;
  border-radius: 28px;
  color: #fff;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--coral) 0%, #e8763e 45%, var(--amber) 100%);
  box-shadow: 0 24px 48px rgba(240, 82, 60, 0.28);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: 24px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
  font-size: 1.02rem;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--coral);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.18);
}

/* ============ 页脚 ============ */

.site-footer {
  padding: 64px 0 28px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-deep) 100%);
  border-top: 1px solid var(--line);
  position: relative;
  margin-top: 32px;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(90deg,
    var(--coral) 0 24px,
    transparent 24px 40px,
    var(--amber) 40px 64px,
    transparent 64px 80px);
  opacity: 0.5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  padding-right: 24px;
}

.footer-brand h4 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.footer-brand p {
  font-size: 0.88rem;
  opacity: 0.6;
  line-height: 1.75;
}

.footer-col h5 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--muted);
  text-decoration: none;
  padding: 5px 0;
  transition: all 0.25s;
}

.footer-col a:hover {
  color: var(--coral);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.footer-bottom span {
  color: var(--coral);
  font-weight: 600;
}

/* ============ 工具类 ============ */

.text-accent {
  color: var(--coral);
  font-weight: 700;
}

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

.seo-description {
  max-width: 620px;
  margin: 0 auto 52px;
  opacity: 0.66;
  font-size: 1.02rem;
  line-height: 1.8;
}

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