/* ============================
   造梦电影票无人值守系统 - 介绍页样式
   ============================ */

/* ---------- CSS Variables ---------- */
:root {
  --primary: #1a3a6b;
  --primary-light: #2a5298;
  --primary-dark: #0f2444;
  --accent: #f5841f;
  --accent-light: #ff9f4a;
  --accent-dark: #d96e0a;
  --bg-dark: #0c1e3a;
  --bg-section: #f5f7fb;
  --bg-white: #ffffff;
  --text-dark: #1a1a2e;
  --text-body: #4a4a68;
  --text-light: #8a8aa0;
  --border-light: #e2e8f0;
  --shadow-sm: 0 2px 8px rgba(26, 58, 107, 0.06);
  --shadow-md: 0 8px 30px rgba(26, 58, 107, 0.1);
  --shadow-lg: 0 16px 48px rgba(26, 58, 107, 0.14);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ---------- Utility ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(245, 132, 31, 0.1), rgba(245, 132, 31, 0.05));
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-badge svg {
  width: 16px;
  height: 16px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-body);
  max-width: 640px;
  line-height: 1.8;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(245, 132, 31, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245, 132, 31, 0.45);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  border: 2px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--bg-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  padding: 100px 0 80px;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(245, 132, 31, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(42, 82, 152, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
  max-width: 560px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 132, 31, 0.15);
  color: var(--accent-light);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 20px;
  margin-bottom: 28px;
  border: 1px solid rgba(245, 132, 31, 0.25);
}

.hero-tag svg {
  width: 16px;
  height: 16px;
}

.hero-title {
  font-size: 48px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 36px;
}

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

.hero-visual {
  flex: 1;
  max-width: 520px;
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, rgba(245, 132, 31, 0.08), rgba(42, 82, 152, 0.08));
  border-radius: var(--radius-xl);
  z-index: -1;
}

/* floating badges on hero */
.hero-float-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: floatY 3s ease-in-out infinite;
  z-index: 3;
}

.hero-float-badge.badge-1 {
  top: 10%;
  left: -40px;
  animation-delay: 0s;
}

.hero-float-badge.badge-2 {
  bottom: 15%;
  right: -30px;
  animation-delay: 1.5s;
}

.hero-float-badge .badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.hero-float-badge .badge-icon.green {
  background: linear-gradient(135deg, #34d399, #10b981);
}

.hero-float-badge .badge-icon.blue {
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
}

.hero-float-badge .badge-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
}

.hero-float-badge .badge-sub {
  font-size: 11px;
  color: var(--text-light);
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  background: var(--bg-white);
  padding: 48px 0;
  border-bottom: 1px solid var(--border-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 16px;
}

.stat-number {
  font-size: 42px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-number span {
  font-size: 24px;
}

.stat-label {
  font-size: 15px;
  color: var(--text-body);
  font-weight: 500;
}

/* ---------- Feature Highlights (9 Features) ---------- */
.features-section {
  padding: 100px 0;
  background: var(--bg-section);
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-header .section-desc {
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

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

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

.feature-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 28px;
  position: relative;
}

.feature-card-icon.icon-blue {
  background: linear-gradient(135deg, rgba(26, 58, 107, 0.1), rgba(42, 82, 152, 0.05));
  color: var(--primary-light);
}

.feature-card-icon.icon-orange {
  background: linear-gradient(135deg, rgba(245, 132, 31, 0.12), rgba(245, 132, 31, 0.04));
  color: var(--accent);
}

.feature-card-icon.icon-green {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(52, 211, 153, 0.05));
  color: #10b981;
}

.feature-card-icon.icon-purple {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(167, 139, 250, 0.05));
  color: #8b5cf6;
}

.feature-card-icon.icon-cyan {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(34, 211, 238, 0.05));
  color: #06b6d4;
}

.feature-card-icon.icon-rose {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.1), rgba(251, 113, 133, 0.05));
  color: #f43f5e;
}

.feature-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.feature-card-desc {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.7;
}

.feature-card-image {
  margin-top: 20px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.feature-card-image img {
  width: 100%;
  aspect-ratio: 6 / 5;
  object-fit: cover;
  transition: var(--transition);
}

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

/* ---------- Feature Detail Section ---------- */
.feature-detail {
  padding: 100px 0;
  overflow: hidden;
}

.feature-detail.alt-bg {
  background: var(--bg-section);
}

.feature-detail-inner {
  display: flex;
  align-items: center;
  gap: 80px;
}

.feature-detail-inner.reverse {
  flex-direction: row-reverse;
}

.feature-detail-content {
  flex: 1;
  max-width: 520px;
}

.feature-detail-visual {
  flex: 1;
  max-width: 500px;
  position: relative;
}

.feature-detail-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
}

.feature-detail-visual::after {
  content: "";
  position: absolute;
  inset: -16px;
  background: linear-gradient(135deg, rgba(26, 58, 107, 0.04), rgba(245, 132, 31, 0.04));
  border-radius: var(--radius-xl);
  z-index: -1;
}

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

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.6;
}

.feature-list li .check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-list li .check-icon svg {
  width: 12px;
  height: 12px;
  color: #fff;
}

/* ---------- Workflow Section ---------- */
.workflow-section {
  padding: 100px 0;
  background: linear-gradient(160deg, var(--bg-dark) 0%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
}

.workflow-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.workflow-header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
  z-index: 1;
}

.workflow-header .section-title {
  color: #fff;
}

.workflow-header .section-desc {
  color: rgba(255, 255, 255, 0.65);
  margin: 0 auto;
}

.workflow-steps {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.workflow-step {
  flex: 1;
  text-align: center;
  position: relative;
}

.workflow-step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 20px rgba(245, 132, 31, 0.35);
  position: relative;
  z-index: 2;
}

.workflow-step-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.workflow-step-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  max-width: 200px;
  margin: 0 auto;
}

.workflow-connector {
  position: absolute;
  top: 28px;
  left: calc(50% + 36px);
  width: calc(100% - 72px);
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    rgba(245, 132, 31, 0.4) 0px,
    rgba(245, 132, 31, 0.4) 8px,
    transparent 8px,
    transparent 16px
  );
  z-index: 1;
}

/* ---------- Comparison Section ---------- */
.comparison-section {
  padding: 100px 0;
  background: var(--bg-white);
}

.comparison-header {
  text-align: center;
  margin-bottom: 64px;
}

.comparison-header .section-desc {
  margin: 0 auto;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.comparison-card {
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}

.comparison-card.traditional {
  background: var(--bg-section);
  border: 2px solid var(--border-light);
}

.comparison-card.modern {
  background: linear-gradient(160deg, var(--primary), var(--primary-light));
  color: #fff;
  border: 2px solid transparent;
  box-shadow: var(--shadow-md);
}

.comparison-card-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.comparison-card.traditional .comparison-card-label {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text-light);
}

.comparison-card.modern .comparison-card-label {
  background: rgba(245, 132, 31, 0.2);
  color: var(--accent-light);
}

.comparison-card-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 24px;
}

.comparison-card.modern .comparison-card-title {
  color: #fff;
}

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

.comparison-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  line-height: 1.6;
}

.comparison-card.traditional .comparison-list li {
  color: var(--text-body);
}

.comparison-card.modern .comparison-list li {
  color: rgba(255, 255, 255, 0.85);
}

.comparison-list li .icon-cross {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.comparison-card.modern .comparison-list li .icon-cross {
  background: rgba(239, 68, 68, 0.2);
}

.comparison-list li .icon-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.comparison-card.modern .comparison-list li .icon-check {
  background: rgba(16, 185, 129, 0.2);
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 100px 0;
  background: var(--bg-section);
  text-align: center;
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
}

.cta-inner .section-desc {
  margin: 0 auto 36px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary-large {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  padding: 18px 42px;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(245, 132, 31, 0.35);
}

.btn-primary-large:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(245, 132, 31, 0.5);
}

.btn-secondary-large {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-white);
  color: var(--primary);
  font-size: 18px;
  font-weight: 700;
  padding: 18px 42px;
  border-radius: var(--radius-xl);
  border: 2px solid var(--border-light);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary-large:hover {
  border-color: var(--primary);
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

/* ---------- Floating Side Bar ---------- */
.floating-sidebar {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  border: none;
  font-size: 22px;
}

.floating-btn.consult {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
}

.floating-btn.top {
  background: var(--bg-white);
  color: var(--primary);
  border: 1px solid var(--border-light);
}

.floating-btn:hover {
  transform: scale(1.1);
}

.floating-btn-label {
  position: absolute;
  right: 62px;
  background: var(--text-dark);
  color: #fff;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.floating-btn:hover .floating-btn-label {
  opacity: 1;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }

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

  .hero-visual {
    max-width: 480px;
    margin: 0 auto;
  }

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

  .hero-float-badge {
    display: none;
  }

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

  .feature-detail-inner,
  .feature-detail-inner.reverse {
    flex-direction: column;
    gap: 40px;
  }

  .feature-detail-content {
    max-width: 100%;
  }

  .feature-detail-visual {
    max-width: 440px;
    margin: 0 auto;
  }

  .workflow-steps {
    flex-wrap: wrap;
    justify-content: center;
  }

  .workflow-step {
    flex: 0 0 calc(50% - 12px);
  }

  .workflow-connector {
    display: none;
  }

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

@media (max-width: 640px) {
  .hero {
    padding: 60px 0 40px;
    min-height: auto;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .section-title {
    font-size: 28px;
  }

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

  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .workflow-step {
    flex: 0 0 100%;
  }

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

  .stat-number {
    font-size: 32px;
  }

  .floating-sidebar {
    right: 12px;
  }

  .floating-btn {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
}

/* ---------- Animations ---------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up.delay-1 { transition-delay: 0.1s; }
.fade-in-up.delay-2 { transition-delay: 0.2s; }
.fade-in-up.delay-3 { transition-delay: 0.3s; }
.fade-in-up.delay-4 { transition-delay: 0.4s; }