@import url("https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/fontsource-noto-sans-sc/5.0.7/index.min.css");

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #1a1a1a;
  --secondary-color: #ffffff;
  --accent-color: #ff6b6b;
  --text-gray: #666666;
  --light-gray: #f5f5f5;
  --border-color: #e0e0e0;
  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
  font-family: "Noto Sans SC", sans-serif;
  line-height: 1.6;
  color: var(--primary-color);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  background: transparent;
  transition: all 0.3s ease;
}

.header.scrolled {
  background: var(--primary-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 15px 0;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-image {
  height: 45px;
  width: auto;
  object-fit: contain;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: white;
  border-radius: 3px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 35px;
  align-items: center;
}

.nav-menu a {
  color: var(--secondary-color);
  text-decoration: none;
  font-size: 15px;
  font-weight: 400;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu a:hover {
  opacity: 0.8;
}

.nav-menu a.active {
  font-weight: 500;
}

.nav-menu .dot {
  width: 6px;
  height: 6px;
  background: #ff8c42;
  border-radius: 50%;
  display: inline-block;
}

/* Mobile Language Switcher in Nav */
.nav-lang-item {
  display: none;
}

.nav-lang-switcher {
  position: relative;
}

.nav-lang-btn {
  background: rgba(37, 99, 235, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 10px 18px;
  border-radius: 25px;
  color: var(--primary-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s ease;
  width: 100%;
  justify-content: center;
}

.nav-lang-btn:hover {
  background: rgba(37, 99, 235, 0.15);
  transform: translateY(-2px);
}

.nav-lang-current {
  font-weight: 500;
}

.nav-lang-arrow {
  transition: transform 0.3s ease;
}

.nav-lang-switcher.active .nav-lang-arrow {
  transform: rotate(180deg);
}

.nav-lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: white;
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 8px;
  min-width: 120px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-lang-switcher.active .nav-lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-lang-option {
  display: block;
  padding: 10px 15px;
  color: var(--primary-color);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 10px;
  transition: all 0.2s ease;
  text-align: center;
}

.nav-lang-option:hover {
  background: rgba(0, 0, 0, 0.05);
}

.nav-lang-option.active {
  background: var(--primary-color);
  color: var(--secondary-color);
}

.lang-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: var(--secondary-color);
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.lang-current {
  font-size: 14px;
  white-space: nowrap;
}

.lang-arrow {
  transition: transform 0.3s ease;
  stroke: currentColor;
}

.lang-switcher.active .lang-arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  border-radius: 15px;
  padding: 8px;
  min-width: 140px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.lang-switcher.active .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  padding: 10px 15px;
  color: var(--primary-color);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.lang-option:hover {
  background: rgba(0, 0, 0, 0.05);
  transform: translateX(3px);
}

.lang-option.active {
  background: var(--primary-color);
  color: var(--secondary-color);
}

/* Hero Section */
.hero {
  position: relative;
  height: 85vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  color: var(--secondary-color);
  overflow: hidden;
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.4)),
    url("../images/index/1.jpg") center/cover no-repeat;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  padding: 0 20px 80px;
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: 64px;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 35px;
  opacity: 0.95;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* About Section */
.about {
  padding: 0 0 80px;
  background: transparent;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 50px;
  background: var(--secondary-color);
  padding: 60px;
  border-radius: 30px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-80px);
  margin-bottom: -80px;
}

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.about-text h2 {
  font-size: 42px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 15px;
  letter-spacing: -0.5px;
}

.about-description {
  color: var(--text-gray);
  font-size: 16px;
  line-height: 1.7;
}

.about-philosophy {
  font-size: 18px;
  line-height: 1.8;
  color: var(--primary-color);
}

.about-philosophy em {
  font-style: italic;
  color: var(--text-gray);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.service-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--light-gray);
  border-radius: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

.service-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary-color);
}

.service-item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-gray);
}

/* Features Section */
.features {
  padding: 80px 0;
  background: var(--light-gray);
}

.section-subtitle {
  text-align: center;
  font-size: 17px;
  color: var(--text-gray);
  margin-bottom: 50px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--secondary-color);
  border-radius: 20px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.feature-content {
  padding: 30px;
}

.feature-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary-color);
}

.feature-content p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-gray);
}

/* Testimonial Section */
.testimonial {
  padding: 80px 0;
  background: var(--secondary-color);
}

.testimonial-card {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 50px 60px;
  background: var(--secondary-color);
  border-radius: 25px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 30px;
  font-size: 80px;
  font-family: Georgia, serif;
  color: rgba(37, 99, 235, 0.1);
  line-height: 1;
}

.testimonial-text {
  font-size: 20px;
  line-height: 1.8;
  color: var(--text-dark);
  margin-bottom: 35px;
  font-style: italic;
  font-weight: 400;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info {
  text-align: left;
}

.author-info h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.author-info p {
  font-size: 14px;
  color: var(--text-gray);
}

/* Company Advantages Section */
.countries {
  padding: 100px 0;
  background: var(--secondary-color);
}

.section-title {
  font-size: 42px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 35px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  text-align: center;
  font-size: 18px;
  color: var(--text-gray);
  margin-top: 15px;
  margin-bottom: 60px;
}

/* Advantages Grid */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.advantage-card {
  background: var(--secondary-color);
  padding: 40px 30px;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.advantage-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.advantage-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 25px;
  color: var(--text-dark);
}

.advantage-icon svg {
  transition: transform 0.3s ease, color 0.3s ease;
}

.advantage-card:hover .advantage-icon svg {
  transform: scale(1.1);
}

.advantage-card:hover .advantage-icon {
  color: var(--primary-color);
}

.advantage-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-dark);
}

.advantage-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-gray);
}

/* Travel Tales Section */
.travel-tales {
  padding: 80px 0;
  background: var(--light-gray);
}

.section-header {
  text-align: center;
  margin-bottom: 15px;
}

.section-header h2 {
  font-size: 42px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.section-description {
  max-width: 900px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-gray);
  margin: 0 auto 40px;
  text-align: center;
}

.tales-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.tale-card {
  background: var(--secondary-color);
  border-radius: 20px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.tale-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.tale-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.tale-content {
  padding: 25px;
}

.tale-date {
  font-size: 13px;
  color: var(--text-gray);
  margin-bottom: 10px;
}

.tale-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.3;
}

.tale-excerpt {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-gray);
}

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

.cta-content h2 {
  font-size: 48px;
  font-weight: 600;
  line-height: 1.3;
  max-width: 850px;
  margin: 0 auto 35px;
  letter-spacing: -0.5px;
}

.cta-content em {
  font-style: italic;
  font-weight: 400;
}

.join-btn {
  background: var(--secondary-color);
  color: var(--primary-color);
  border: none;
  padding: 14px 40px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: inline-block;
  text-decoration: none;
}

.join-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

/* Footer */
.footer {
  background: var(--primary-color);
  color: var(--secondary-color);
  padding: 60px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin-bottom: 40px;
}

.footer-column h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

/* Quick Links */
.quick-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.quick-links li {
  margin-bottom: 12px;
}

.quick-links a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.3s ease, padding-left 0.3s ease;
  display: inline-block;
}

.quick-links a:hover {
  color: var(--secondary-color);
  padding-left: 5px;
}

/* Contact Info */
.contact-info {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-info li {
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.contact-info i {
  margin-top: 2px;
  width: 16px;
  flex-shrink: 0;
}

.contact-info a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-info a:hover {
  color: var(--secondary-color);
}

/* Quick Message Form */
.quick-message-form {
  max-width: 100%;
}

.form-group {
  margin-bottom: 15px;
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--secondary-color);
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  background: rgba(255, 255, 255, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.phone-error-message {
  display: block;
  color: #ff6b6b;
  margin-top: 5px;
  font-size: 14px;
}

/* 国际电话输入框样式 */
.iti {
  width: 100% !important;
  display: block;
}

.iti__flag-container {
  background: rgba(255, 255, 255, 0.1);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.iti__selected-flag {
  background: transparent;
  padding: 0 8px 0 12px;
}

.iti__selected-flag:hover,
.iti__selected-flag:focus {
  background: rgba(255, 255, 255, 0.05);
}

.iti__arrow {
  border-top-color: rgba(255, 255, 255, 0.8);
}

/* 下拉框样式 */
.iti__country-list {
  background: white;
  border: 1px solid #ddd;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-radius: 8px;
  max-height: 200px;
  overflow-y: auto;
}

.iti__country {
  padding: 8px 12px;
  color: #333;
}

.iti__country:hover,
.iti__country.iti__highlight {
  background: #f5f5f5;
  color: #333;
}

.iti__country-name,
.iti__dial-code {
  color: #333;
}

.iti__country.iti__active {
  background: #e3f2fd;
  color: #1976d2;
}

.iti__country.iti__active .iti__country-name,
.iti__country.iti__active .iti__dial-code {
  color: #1976d2;
}

.iti__divider {
  border-bottom: 1px solid #e0e0e0;
}

.btn-primary {
  width: 100%;
  padding: 12px 24px;
  background: var(--secondary-color);
  color: var(--primary-color);
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-loading {
  display: none;
}

/* Footer Bottom */
.footer-bottom {
  padding: 25px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
}

/* Success Modal */
.success-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.3s ease;
}

.success-content {
  background: white;
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  max-width: 400px;
  animation: scaleIn 0.3s ease;
}

.success-icon {
  width: 60px;
  height: 60px;
  background: #4caf50;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: white;
  font-size: 30px;
}

.success-content h3 {
  font-size: 24px;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.success-content p {
  color: var(--text-gray);
  margin-bottom: 25px;
}

.success-btn {
  padding: 12px 40px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.success-btn:hover {
  background: #1e40af;
  transform: translateY(-2px);
}

@keyframes scaleIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 52px;
  }

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

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

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

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

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

@media (min-width: 769px) {
  /* 确保桌面端汉堡按钮隐藏 */
  .hamburger {
    display: none !important;
  }

  /* 确保桌面端菜单正常显示 */
  .nav-menu {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: transparent;
    box-shadow: none;
    max-height: none;
    opacity: 1;
    padding: 0;
  }

  /* 桌面端隐藏移动端语言切换 */
  .nav-lang-item {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .nav-actions {
    gap: 0;
  }

  /* 移动端显示汉堡按钮 */
  .hamburger {
    display: flex !important;
  }

  /* 移动端隐藏桌面语言切换 */
  .desktop-lang {
    display: none !important;
  }

  /* 移动端菜单样式 */
  .nav-menu {
    display: flex;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    gap: 0;
    padding: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    max-height: 0;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
  }

  .nav-menu.active {
    max-height: 500px;
    opacity: 1;
    padding: 20px;
  }

  .nav-menu li {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
  }

  .nav-menu li:last-child {
    border-bottom: none;
  }

  .nav-menu a {
    display: block;
    padding: 15px 0;
    color: var(--primary-color);
    justify-content: center;
  }

  /* 移动端显示语言切换 */
  .nav-lang-item {
    display: block !important;
    padding: 15px 0;
  }

  .logo-image {
    height: 35px;
  }

  .lang-btn {
    padding: 8px 15px;
    font-size: 12px;
    gap: 6px;
  }

  .lang-current {
    font-size: 12px;
  }

  .lang-arrow {
    width: 10px;
    height: 10px;
  }

  .lang-dropdown {
    min-width: 120px;
  }

  .lang-option {
    font-size: 13px;
    padding: 8px 12px;
  }

  .hero {
    height: 70vh;
  }

  .hero-title {
    font-size: 38px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-content {
    padding: 0 20px 50px;
  }

  .about-content {
    gap: 30px;
    padding: 30px;
    transform: translateY(-50px);
    margin-bottom: -50px;
  }

  .about-intro {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

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

  .advantage-card {
    padding: 30px 20px;
  }

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

  .testimonial-card {
    padding: 35px 25px;
  }

  .testimonial-card::before {
    font-size: 60px;
    top: 15px;
    left: 20px;
  }

  .testimonial-text {
    font-size: 17px;
  }

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

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

  .quick-links {
    display: flex;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 32px;
  }

  .section-title,
  .section-header h2 {
    font-size: 32px;
  }

  .cta-content h2 {
    font-size: 32px;
  }

  .contact h2 {
    font-size: 32px;
  }
}

/* Page Header */
.page-header {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url("../images/index/11.jpg") center/cover no-repeat;
  color: var(--secondary-color);
  padding: 120px 0 60px;
  text-align: center;
  margin-top: 80px;
}

/* 当页面有page-header时，header使用深色背景 */
body:has(.page-header) .header {
  background: var(--primary-color) !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-header h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 15px;
  animation: fadeInUp 0.6s ease;
}

.page-header p {
  font-size: 18px;
  opacity: 0.9;
  animation: fadeInUp 0.6s ease 0.2s backwards;
}

/* Gallery Section */
.gallery-section {
  padding: 80px 0;
  background: var(--secondary-color);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background: var(--light-gray);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* Travel Gallery Section */
.travel-gallery-section {
  padding: 80px 0;
  background: var(--secondary-color);
}

.travel-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.travel-gallery-item {
  background: var(--secondary-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.travel-gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.travel-image-wrapper {
  width: 100%;
  height: 280px;
  overflow: hidden;
  background: var(--light-gray);
}

.travel-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.travel-gallery-item:hover .travel-image-wrapper img {
  transform: scale(1.05);
}

.travel-review {
  padding: 20px;
}

.review-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-gray);
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-author .author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.author-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-color);
}

/* Video Gallery Section */
.video-gallery-section {
  padding: 80px 0;
  background: var(--secondary-color);
}

.video-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.video-gallery-item {
  background: var(--secondary-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.video-wrapper {
  width: 100%;
  height: 280px;
  overflow: hidden;
  background: #000;
  position: relative;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Contact Section */
.contact-section {
  padding: 80px 0;
  background: var(--secondary-color);
}

.contact-content {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info-main .section-title {
  font-size: 42px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 15px;
  letter-spacing: -0.5px;
  color: var(--primary-color);
}

.contact-info-main .section-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--text-gray);
  margin-bottom: 60px;
}

.contact-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 30px;
  background: var(--secondary-color);
  border-radius: 15px;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.contact-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  color: var(--text-dark);
  font-size: 48px;
  margin-bottom: 15px;
}

.contact-icon i {
  transition: transform 0.3s ease, color 0.3s ease;
}

.contact-item:hover .contact-icon i {
  transform: scale(1.1);
}

.contact-item:hover .contact-icon {
  color: var(--primary-color);
}

.contact-details {
  flex: 1;
}

.contact-details h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--primary-color);
}

.contact-details p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-gray);
  margin: 0;
}

.contact-details a {
  color: var(--text-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-details a:hover {
  color: var(--primary-color);
}

.whatsapp-qr {
  margin-top: 15px;
}

.qr-code {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* About Section Page */
.about-section {
  padding: 80px 0;
  background: var(--secondary-color);
}

.about-content-page {
  max-width: 900px;
  margin: 0 auto;
}

.about-text .section-title {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 30px;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

.about-description {
  margin-bottom: 50px;
}

.about-description p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-gray);
  margin-bottom: 20px;
  text-align: justify;
}

.about-description p:last-child {
  margin-bottom: 0;
}

.company-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.feature-item {
  padding: 30px;
  background: var(--secondary-color);
  border-radius: 15px;
  text-align: center;
  border: 2px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-item .feature-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-dark);
  font-size: 48px;
  margin-bottom: 15px;
}

.feature-item .feature-icon i {
  transition: transform 0.3s ease, color 0.3s ease;
}

.feature-item:hover .feature-icon i {
  transform: scale(1.1);
}

.feature-item:hover .feature-icon {
  color: var(--primary-color);
}

.feature-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--primary-color);
}

.feature-item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-gray);
  margin: 0;
}

.license-section {
  margin-top: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.license-section h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-align: center;
}

.license-container {
  background: var(--light-gray);
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.license-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

/* Responsive Gallery */
@media (max-width: 1200px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .travel-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .video-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .page-header {
    padding: 100px 0 40px;
    margin-top: 70px;
  }

  .page-header h1 {
    font-size: 36px;
  }

  .page-header p {
    font-size: 16px;
  }

  .gallery-section {
    padding: 60px 0;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .contact-section {
    padding: 60px 0;
  }

  .contact-info-main .section-title {
    font-size: 32px;
  }

  .contact-items {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-item {
    padding: 25px;
  }

  .contact-icon {
    font-size: 40px;
  }

  .about-section {
    padding: 60px 0;
  }

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

  .company-features {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-item .feature-icon {
    font-size: 40px;
  }

  .license-section {
    margin-top: 40px;
  }

  .travel-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .travel-image-wrapper {
    height: 240px;
  }

  .video-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .video-wrapper {
    height: 240px;
  }
}

@media (max-width: 480px) {
  .page-header h1 {
    font-size: 28px;
  }

  .gallery-section {
    padding: 40px 0;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .travel-gallery-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .travel-image-wrapper {
    height: 200px;
  }

  .video-gallery-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .video-wrapper {
    height: 200px;
  }
}

/* ==================== Back to Top Button ==================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: white;
  border: none;
  border-radius: 50%;
  color: #000;
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top:hover {
  background: #000;
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 768px) {
  .back-to-top {
    width: 45px;
    height: 45px;
    bottom: 20px;
    right: 20px;
    font-size: 20px;
  }

  .back-to-top svg {
    width: 20px;
    height: 20px;
  }
}