/* ============================================
   蜜桃影视 PeachCinema Design System
   "Peach Cream Cinema" — 蜜桃奶油影院美学
   ============================================ */

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

:root {
  --peach: #FF7A5C;
  --coral: #E8554D;
  --plum: #5C2742;
  --cream: #FFF8F0;
  --sage: #8FAE8B;
  --ink: #3D2C29;
  --peach-pale: #FFEDE4;
  --amber: #F4A261;
}

html {
  scroll-behavior: smooth;
}

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

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(232, 85, 77, 0.025) 1.2px, transparent 1.2px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 9999;
}

::selection {
  background: rgba(255, 122, 92, 0.22);
  color: var(--coral);
}

h1, h2, h3, .section-title, .stat-number, .hero h1 {
  font-family: 'Songti SC', 'SimSun', 'Noto Serif SC', serif;
}

/* ===== 核心布局 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(180deg, var(--cream) 0%, var(--peach-pale) 100%);
}

/* ===== 导航栏 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 248, 240, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 122, 92, 0.14);
}

.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: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 52% 48% 55% 45% / 50% 42% 58% 50%;
  background: linear-gradient(135deg, var(--peach), var(--coral));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 4px 16px rgba(232, 85, 77, 0.35);
  transform: rotate(-6deg);
  transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
  transform: rotate(0deg) scale(1.05);
}

.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(--ink);
  transition: color 0.25s;
  position: relative;
  padding: 6px 2px;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--peach), var(--amber));
  border-radius: 2px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.nav-cta {
  padding: 10px 26px;
  border-radius: 60px;
  background: linear-gradient(135deg, var(--peach), var(--coral));
  color: #fff !important;
  font-weight: 600;
  box-shadow: 0 4px 18px rgba(232, 85, 77, 0.35);
  transition: transform 0.25s, box-shadow 0.25s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232, 85, 77, 0.45);
}

.menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 122, 92, 0.25);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--ink);
  transition: background 0.2s;
}

.menu-toggle:hover {
  background: var(--peach-pale);
}

/* ===== 首页 Hero ===== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 620px;
  height: 620px;
  border-radius: 40% 60% 70% 30% / 40% 50% 40% 60%;
  background: linear-gradient(135deg, rgba(255, 122, 92, 0.28), rgba(255, 237, 228, 0.55));
  top: -120px;
  right: -160px;
  filter: blur(50px);
  animation: blobFloat 14s ease-in-out infinite;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  background: linear-gradient(135deg, rgba(143, 174, 139, 0.25), rgba(244, 162, 97, 0.18));
  bottom: -90px;
  left: -70px;
  filter: blur(40px);
  animation: blobFloat 18s ease-in-out infinite reverse;
  z-index: 0;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 20px;
  border-radius: 40px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255, 122, 92, 0.14), rgba(232, 85, 77, 0.07));
  color: var(--coral);
  border: 1px solid rgba(255, 122, 92, 0.22);
  letter-spacing: 1px;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-size: 3.6rem;
  line-height: 1.18;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 38px;
  line-height: 1.75;
}

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

.hero-image {
  border-radius: 42px 42px 42px 12px;
  overflow: hidden;
  box-shadow: 0 28px 72px rgba(232, 85, 77, 0.14);
  position: relative;
  border: 1px solid rgba(255, 122, 92, 0.1);
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(255, 122, 92, 0.08), transparent 45%);
  pointer-events: none;
}

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

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 60px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
  background: linear-gradient(135deg, var(--peach), var(--coral));
  color: #fff;
  box-shadow: 0 8px 26px rgba(232, 85, 77, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(232, 85, 77, 0.45);
}

.btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(232, 85, 77, 0.3);
}

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

.btn-outline:hover {
  background: rgba(255, 122, 92, 0.08);
  border-color: var(--coral);
  color: var(--coral);
  transform: translateY(-3px);
}

/* ===== 标签 / 标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 12px;
  color: var(--peach);
  text-transform: uppercase;
}

.section-label::before {
  content: '// ';
  font-weight: 400;
  color: var(--sage);
  letter-spacing: 1px;
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--ink);
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 48px;
  font-size: 1rem;
  line-height: 1.8;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  border-radius: 26px;
  padding: 32px 30px;
  border: 1px solid rgba(255, 122, 92, 0.1);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

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

.category-card::after {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 92, 0.08), transparent 70%);
  bottom: -40px;
  right: -30px;
  pointer-events: none;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(232, 85, 77, 0.12);
  border-color: rgba(255, 122, 92, 0.25);
}

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

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 50% 45% 55% 45% / 50% 40% 60% 50%;
  background: linear-gradient(135deg, var(--peach), var(--coral));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: #fff;
  box-shadow: 0 8px 24px rgba(232, 85, 77, 0.25);
  transition: transform 0.3s ease;
}

.category-card:hover .card-icon {
  transform: scale(1.08) rotate(-6deg);
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--peach);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}

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

/* ===== 特性块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-image {
  border-radius: 36px 36px 36px 12px;
  overflow: hidden;
  box-shadow: 0 28px 72px rgba(232, 85, 77, 0.12);
  position: relative;
  border: 1px solid rgba(255, 122, 92, 0.08);
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 122, 92, 0.12), transparent 55%);
  pointer-events: none;
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.feature-text {
  font-size: 1rem;
  line-height: 1.8;
  opacity: 0.8;
  margin-bottom: 24px;
}

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

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: var(--peach);
  background: rgba(255, 122, 92, 0.12);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.7rem;
  flex-shrink: 0;
}

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

.stat-item {
  padding: 36px 24px 30px;
  border-radius: 26px;
  border: 1px solid rgba(255, 122, 92, 0.1);
  background: rgba(255, 255, 255, 0.85);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s, box-shadow 0.35s;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(90deg, var(--peach), var(--amber));
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(232, 85, 77, 0.1);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--peach), var(--coral));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  letter-spacing: 1.5px;
}

/* ===== 内容墙（案例展示） ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(255, 122, 92, 0.08);
  background: rgba(255, 255, 255, 0.9);
  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 50px rgba(232, 85, 77, 0.14);
  border-color: rgba(255, 122, 92, 0.18);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

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

.content-wall-body {
  padding: 24px 26px;
}

.content-wall-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--ink);
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.7;
  line-height: 1.6;
}

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

.faq-item {
  border: 1px solid rgba(255, 122, 92, 0.1);
  border-radius: 18px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s;
  background: rgba(255, 255, 255, 0.85);
}

.faq-item:hover {
  border-color: rgba(255, 122, 92, 0.28);
  box-shadow: 0 6px 20px rgba(232, 85, 77, 0.06);
}

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

.faq-item .faq-question::after {
  content: '⌄';
  font-size: 1.4rem;
  color: var(--peach);
  transition: transform 0.35s ease;
  font-weight: 400;
  line-height: 1;
}

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

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.7;
  font-size: 0.95rem;
  line-height: 1.75;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeIn 0.35s ease both;
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  padding: 64px 24px;
  text-align: center;
  border-radius: 36px;
  color: #fff;
  background: linear-gradient(135deg, var(--peach), var(--coral) 55%, var(--plum));
  position: relative;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(232, 85, 77, 0.3);
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  top: -90px;
  right: -60px;
  animation: blobFloat 12s ease-in-out infinite;
}

.cta-banner::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 40% 60% 70% 30% / 50% 55% 45% 50%;
  background: rgba(255, 255, 255, 0.05);
  bottom: -120px;
  left: -80px;
  animation: blobFloat 16s ease-in-out infinite reverse;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.01em;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
  line-height: 1.7;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--coral);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 70px 0 28px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--peach-pale) 100%);
  border-top: 1px solid rgba(255, 122, 92, 0.1);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 92, 0.06), transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.site-footer .container {
  position: relative;
  z-index: 1;
}

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

.footer-brand {
  font-size: 0.9rem;
  line-height: 1.9;
  opacity: 0.75;
  max-width: 300px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-col h4 {
  margin-bottom: 18px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.5px;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  text-decoration: none;
  color: rgba(61, 44, 41, 0.6);
  font-size: 0.9rem;
  transition: color 0.2s, padding-left 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 122, 92, 0.12);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(61, 44, 41, 0.5);
}

/* ===== 工具类 ===== */
.text-accent {
  color: var(--peach);
  position: relative;
  display: inline-block;
  z-index: 0;
}

.text-accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 100%;
  height: 14px;
  background: linear-gradient(90deg, rgba(255, 122, 92, 0.3), rgba(255, 122, 92, 0.05));
  border-radius: 4px;
  z-index: -1;
  transform: rotate(-1.2deg);
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  line-height: 1.75;
}

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

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

/* ===== 动画 ===== */
@keyframes blobFloat {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.08) rotate(8deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 248, 240, 0.98);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 122, 92, 0.15);
    box-shadow: 0 20px 40px rgba(61, 44, 41, 0.06);
    animation: fadeIn 0.3s ease;
  }

  .main-nav.open a {
    padding: 10px 8px;
    font-size: 1rem;
  }

  .main-nav.open .nav-cta {
    margin-top: 8px;
    text-align: center;
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 2rem;
  }
}

@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: 2.2rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .cta-banner {
    border-radius: 28px;
    padding: 48px 20px;
  }

  .cta-banner h2 {
    font-size: 1.7rem;
  }

  .footer-bottom {
    font-size: 0.8rem;
  }
}

/* ===== 辅助交互细节 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}