/* ============================================
   企航家 QiHangJia — Global Stylesheet
   Color: Deep Blue #0a1628 + Gold #c9a96e + White
   ============================================ */

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

:root {
  --blue-deep: #0a1628;
  --blue-dark: #0f1f3a;
  --blue-mid: #162d50;
  --blue-light: #1e3a5f;
  --gold: #c9a96e;
  --gold-light: #dfc490;
  --gold-dark: #a88a4e;
  --white: #ffffff;
  --gray-100: #f7f8fa;
  --gray-200: #ebedf0;
  --gray-300: #d1d5db;
  --gray-600: #6b7280;
  --gray-800: #1f2937;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.18);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: .3s ease;
  --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

body {
  font-family: var(--font-stack);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }

img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

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

/* --- Utility --- */
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-white { color: var(--white); }
.section-dark { background: var(--blue-deep); color: var(--white); }
.section-gray { background: var(--gray-100); }

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-align: center;
  line-height: 1.4;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--blue-deep);
}
.btn-gold:hover { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: var(--blue-deep); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--gold);
  color: var(--gold);
}
.btn-outline:hover { background: var(--gold); color: var(--blue-deep); }
.btn-white {
  background: var(--white);
  color: var(--blue-deep);
}
.btn-white:hover { background: var(--gray-100); transform: translateY(-2px); }

/* --- Navigation --- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,22,40,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,169,110,.15);
  transition: all var(--transition);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 700; color: var(--white);
}
.nav-logo img { height: 40px; width: auto; }
.nav-links {
  display: flex; gap: 32px; align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,.8);
  font-size: .95rem;
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }
.nav-links a.active::after {
  content: '';
  position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--gold); border-radius: 1px;
}
.nav-cta { margin-left: 8px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all var(--transition);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-mid) 100%);
  overflow: hidden;
  padding-top: 72px;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url('../企业网站资料/66 Expeditions 16052025 by Frank Liu-456.jpg') center/cover no-repeat;
  opacity: .15;
}
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 700px; }
.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--gold);
  border-radius: 20px;
  color: var(--gold);
  font-size: .85rem;
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.hero h1 {
  font-size: 3rem;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero h1 .highlight { color: var(--gold); }
.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,.75);
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* --- Section Spacing --- */
.section { padding: 80px 0; }
.section-sm { padding: 60px 0; }
.section-title {
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--blue-deep);
}
.section-title.white { color: var(--white); }
.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: 48px;
  max-width: 600px;
}
.section-subtitle.white { color: rgba(255,255,255,.7); }

/* --- Persona Cards --- */
.persona-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.persona-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.persona-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: linear-gradient(90deg, var(--gold), var(--gold-light));
}
.persona-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.persona-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.persona-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--blue-deep);
}
.persona-card p {
  font-size: .95rem;
  color: var(--gray-600);
  margin-bottom: 20px;
}
.persona-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(201,169,110,.1);
  color: var(--gold-dark);
  border-radius: 4px;
  font-size: .85rem;
  font-weight: 600;
}

/* --- Trust / Stats --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}
.stat-item { text-align: center; }
.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: .95rem; color: rgba(255,255,255,.7); }

/* --- Logo Wall --- */
.logo-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  align-items: center;
}
.logo-wall img {
  height: 48px;
  width: auto;
  opacity: .7;
  filter: grayscale(100%);
  transition: all var(--transition);
  border-radius: 4px;
  background: var(--white);
  padding: 6px 12px;
}
.logo-wall img:hover { opacity: 1; filter: none; }

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--blue-mid), var(--blue-deep));
  padding: 80px 0;
  text-align: center;
}
.cta-section h2 { font-size: 2rem; color: var(--white); margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,.7); margin-bottom: 32px; font-size: 1.1rem; }

/* --- Solution Cards --- */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.solution-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  border: 1px solid var(--gray-200);
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.solution-card-img {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.solution-card-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,.6), transparent);
}
.solution-card-body { padding: 28px; }
.solution-card-body h3 { font-size: 1.25rem; margin-bottom: 8px; color: var(--blue-deep); }
.solution-card-body p { color: var(--gray-600); font-size: .95rem; margin-bottom: 16px; }

/* --- Comparison Table --- */
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.compare-table th {
  background: var(--blue-deep);
  color: var(--white);
  padding: 16px 24px;
  font-weight: 600;
  text-align: left;
}
.compare-table td {
  padding: 14px 24px;
  border-bottom: 1px solid var(--gray-200);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:nth-child(even) td { background: var(--gray-100); }
.compare-table .vs-col { color: var(--gold); font-weight: 600; }

/* --- Case Study --- */
.case-study {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 40px;
  margin: 40px 0;
}
.case-study h3 { font-size: 1.5rem; color: var(--blue-deep); margin-bottom: 16px; }
.case-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.case-gallery img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition);
}
.case-gallery img:hover { transform: scale(1.05); }

/* --- Timeline / Steps --- */
.steps-list {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}
.steps-list::before {
  content: '';
  position: absolute;
  left: 28px; top: 0; bottom: 0;
  width: 2px; background: var(--gray-200);
}
.step-item {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  position: relative;
}
.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--blue-deep);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.25rem;
  flex-shrink: 0;
  z-index: 1;
}
.step-content h4 { font-size: 1.1rem; color: var(--blue-deep); margin-bottom: 4px; }
.step-content p { color: var(--gray-600); font-size: .95rem; }

/* --- FAQ / Accordion --- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--white);
}
.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue-deep);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-stack);
}
.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--gold);
  transition: transform var(--transition);
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--gray-600);
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 500px; }

/* --- Award Grid --- */
.award-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.award-item {
  text-align: center;
  aspect-ratio: 3 / 4;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.award-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* --- Auth Certificates --- */
.auth-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.auth-item {
  aspect-ratio: 3 / 4;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.auth-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* --- Testimonials Gallery --- */
.testimonials-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.testimonial-item {
  aspect-ratio: 9 / 16;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition);
}
.testimonial-item:hover { transform: scale(1.03); }
.testimonial-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* --- Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.team-member {
  text-align: center;
}
.team-member img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 12px;
}

/* --- Cruise Brand List --- */
.cruise-brands {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.cruise-brand-tag {
  padding: 8px 20px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  font-size: .9rem;
  color: var(--gray-800);
  transition: all var(--transition);
}
.cruise-brand-tag:hover {
  background: var(--gold);
  color: var(--blue-deep);
  border-color: var(--gold);
}

/* --- Modal / Popup --- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 480px;
  width: 90%;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition);
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none;
  font-size: 1.5rem; cursor: pointer;
  color: var(--gray-600);
  line-height: 1;
}
.modal-close:hover { color: var(--gray-800); }
.modal h3 { font-size: 1.4rem; color: var(--blue-deep); margin-bottom: 8px; }
.modal p { color: var(--gray-600); margin-bottom: 24px; font-size: .95rem; }

/* --- Form --- */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-stack);
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,.15);
}

/* --- Footer --- */
.footer {
  background: var(--blue-deep);
  color: rgba(255,255,255,.6);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer h4 { color: var(--white); margin-bottom: 16px; font-size: 1rem; }
.footer a { color: rgba(255,255,255,.6); }
.footer a:hover { color: var(--gold); }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: .9rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  text-align: center;
  font-size: .85rem;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 16px 0;
  font-size: .9rem;
  color: var(--gray-600);
}
.breadcrumb a { color: var(--gray-600); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { margin: 0 8px; }

/* --- Page Header --- */
.page-header {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue-mid));
  padding: 140px 0 60px;
  text-align: center;
}
.page-header h1 { font-size: 2.5rem; color: var(--white); margin-bottom: 12px; }
.page-header p { color: rgba(255,255,255,.7); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* --- Image Lightbox --- */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.9);
  z-index: 3000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
  cursor: pointer;
}
.lightbox.active { opacity: 1; pointer-events: auto; }
.lightbox img {
  max-width: 90%; max-height: 90vh;
  border-radius: var(--radius-sm);
}

/* --- Delivery Checklist --- */
.checklist { list-style: none; }
.checklist li {
  padding: 10px 0;
  padding-left: 32px;
  position: relative;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-800);
}
.checklist li::before {
  content: '\2713';
  position: absolute; left: 0;
  color: var(--gold);
  font-weight: 700;
  font-size: 1.1rem;
}

/* --- Two-Column Layout (responsive) --- */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

/* --- Grid 3-col (for 1+N matrix, etc.) --- */
.grid-3col {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* --- SOP Card Grid (dark section) --- */
.sop-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(201,169,110,.2);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}
.sop-card .sop-icon { font-size: 2.5rem; color: var(--gold); margin-bottom: 12px; }
.sop-card h3 { color: var(--white); margin-bottom: 8px; }
.sop-card p { color: rgba(255,255,255,.6); font-size: .9rem; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .persona-grid, .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  .section { padding: 60px 0; }
  .hero h1 { font-size: 2.2rem; }
  .hero { min-height: 90vh; }

  /* Mobile Nav */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0;
    background: rgba(10,22,40,.98);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    border-bottom: 1px solid rgba(201,169,110,.15);
  }
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-cta { margin-left: 0; }

  .persona-grid, .solution-grid, .stats-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { text-align: center; }
  .compare-table { font-size: .85rem; }
  .compare-table th, .compare-table td { padding: 10px 14px; }
  .case-study { padding: 24px; }
  .page-header { padding: 120px 0 48px; }
  .page-header h1 { font-size: 2rem; }
  .case-gallery { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .award-grid { grid-template-columns: repeat(2, 1fr); }
  .auth-grid, .testimonials-gallery { grid-template-columns: 1fr; }
  .grid-2col { grid-template-columns: 1fr; gap: 32px; }
  .grid-3col { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .stat-number { font-size: 2.2rem; }
  .container { padding: 0 16px; }
  .grid-2col { gap: 24px; }
  .grid-3col { grid-template-columns: 1fr 1fr; }
  .sop-card { padding: 24px; }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all .6s ease;
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Print --- */
@media print {
  .navbar, .footer, .modal-overlay, .cta-section { display: none; }
  .hero { min-height: auto; padding: 40px 0; }
  body { color: #000; }
}