/* 迪拜皇宫旅行社有限公司 - 主样式表 */

/* ==========================================================================
   1. CSS Variables & Reset
   ========================================================================== */
:root {
  /* Brand Colors */
  --primary-color: #C9A227;       /* 皇宫金 */
  --primary-hover: #D4AF37;       /* 亮金 */
  --secondary-color: #1A1A2E;     /* 深夜蓝 */
  --secondary-light: #252542;     /* 较浅深夜蓝 */
  --accent-color: #D4AF37;        /* 强调亮金 */
  
  /* Neutral Colors */
  --bg-light: #FAFAFA;            /* 浅灰白 */
  --bg-white: #FFFFFF;            /* 纯白 */
  --text-main: #333333;           /* 主文字色 */
  --text-muted: #666666;          /* 次要文字色 */
  --border-color: #E5E5E5;        /* 边框色 */
  
  /* Fonts */
  --font-family-zh: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-family-en: "Montserrat", "Arial", sans-serif;
  
  /* Transitions & Shadows */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --box-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --box-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --box-shadow-gold: 0 8px 20px rgba(201, 162, 39, 0.35);
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-family-zh);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* ==========================================================================
   2. Typography & Common Utility Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

section {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--secondary-color);
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}

.section-title h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 10px;
}

/* Base Button & Hover Effects */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #FFFFFF;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-hover);
  box-shadow: var(--box-shadow-gold);
  transform: scale(1.03);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline:hover, .btn-outline:focus {
  background-color: var(--primary-color);
  color: #FFFFFF;
  box-shadow: var(--box-shadow-gold);
  transform: scale(1.03);
}

/* Card Common Styling */
.card {
  background-color: var(--bg-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--box-shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-md);
}

/* ==========================================================================
   3. Header & Navigation (Sticky & Mobile First)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
  transition: background-color var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* Text Logo */
.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
}

.logo span {
  color: #FFFFFF;
  font-weight: 300;
  margin-left: 4px;
  font-size: 0.9rem;
}

.nav-menu {
  position: fixed;
  top: 70px;
  left: -100%;
  width: 100%;
  height: calc(100vh - 70px);
  background-color: var(--secondary-color);
  flex-direction: column;
  align-items: center;
  padding-top: 40px;
  transition: left var(--transition-normal);
  display: flex;
}

.nav-menu.active {
  left: 0;
}

.nav-item {
  margin-bottom: 24px;
}

.nav-link {
  color: #FFFFFF;
  font-size: 1.1rem;
  font-weight: 500;
}

.nav-link:hover, .nav-link:focus {
  color: var(--primary-color);
}

.nav-btn {
  display: none;
}

/* Hamburger Icon */
.hamburger {
  display: block;
  cursor: pointer;
  background: none;
  padding: 5px;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  transition: all 0.3s ease-in-out;
  background-color: #FFFFFF;
}

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

.hamburger.active .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   4. Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #FFFFFF;
  padding-top: 70px;
  background: linear-gradient(rgba(26, 26, 46, 0.65), rgba(26, 26, 46, 0.75)), url('/images/hero-bg.jpg') center/cover no-repeat;
}

.hero-content {
  max-width: 800px;
  padding: 0 20px;
  margin-top: -30px;
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.hero p {
  font-size: 1.1rem;
  color: #E0E0E0;
  margin-bottom: 35px;
  font-weight: 300;
}

.hero-scroll-down {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: #FFFFFF;
  font-size: 1.5rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
  40% { transform: translateY(-12px) translateX(-50%); }
  60% { transform: translateY(-6px) translateX(-50%); }
}

/* ==========================================================================
   5. Pain Points Section
   ========================================================================== */
.pain-points {
  background-color: var(--bg-white);
}

.pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.pain-card {
  padding: 30px;
  background-color: var(--bg-light);
  border-left: 4px solid var(--primary-color);
  border-radius: 0 8px 8px 0;
}

.pain-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.pain-card h3 {
  font-size: 1.25rem;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.pain-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   6. Solutions / Services Section
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.service-card {
  display: flex;
  flex-direction: column;
}

.service-img-wrapper {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.service-card:hover .service-img-wrapper img {
  transform: scale(1.08);
}

.service-body {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-body h3 {
  font-size: 1.3rem;
  color: var(--secondary-color);
  margin-bottom: 12px;
}

.service-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   7. Social Proof / Testimonials Section
   ========================================================================== */
.testimonials {
  background-color: var(--bg-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-bottom: 50px;
}

.testimonial-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-content {
  font-style: italic;
  color: var(--text-main);
  margin-bottom: 20px;
  position: relative;
}

.testimonial-user {
  display: flex;
  align-items: center;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 15px;
  border: 2px solid var(--primary-color);
}

.testimonial-info h4 {
  font-size: 1rem;
  color: var(--secondary-color);
}

.testimonial-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Trust Badges */
.trust-badges {
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
  text-align: center;
}

.badges-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.badge-item {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-item::before {
  content: "✓";
  color: var(--primary-color);
  font-weight: bold;
}

/* ==========================================================================
   8. About Us Section
   ========================================================================== */
.about-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.about-img {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--box-shadow-md);
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text h3 {
  font-size: 1.5rem;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

.contact-info-list {
  background-color: var(--bg-white);
  padding: 20px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
}

.contact-info-list li {
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.contact-info-list li:last-child {
  margin-bottom: 0;
}

.contact-info-list strong {
  color: var(--secondary-color);
}

/* ==========================================================================
   9. FAQ Section
   ========================================================================== */
.faq {
  background-color: var(--bg-white);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px;
  background-color: var(--bg-white);
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--secondary-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--bg-light);
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--primary-color);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
  background-color: var(--bg-light);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   10. Final CTA & Contact Form Section
   ========================================================================== */
.cta-section {
  background: linear-gradient(rgba(26, 26, 46, 0.9), rgba(26, 26, 46, 0.95)), url('/images/hero-bg.jpg') center/cover no-repeat;
  color: #FFFFFF;
}

.cta-section .section-title h2 {
  color: #FFFFFF;
}

.cta-section .section-subtitle {
  color: #CCCCCC;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.cta-form {
  background-color: var(--bg-white);
  padding: 35px 25px;
  border-radius: 8px;
  color: var(--text-main);
  box-shadow: var(--box-shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary-color);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.cta-form .btn-primary {
  width: 100%;
  margin-top: 10px;
}

.cta-info-card {
  padding: 20px 0;
}

.cta-info-card h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.cta-info-item {
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.cta-info-icon {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-top: 3px;
}

.cta-info-text h4 {
  font-size: 1rem;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.cta-info-text p {
  color: #CCCCCC;
  font-size: 0.95rem;
}

/* ==========================================================================
   11. Footer
   ========================================================================== */
.footer {
  background-color: var(--secondary-color);
  color: #CCCCCC;
  padding-top: 60px;
  padding-bottom: 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 15px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #CCCCCC;
}

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

.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-icon {
  width: 36px;
  height: 36px;
  background-color: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 0.85rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.social-icon:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

/* Footer Bottom & ICP */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 25px;
  text-align: center;
  font-size: 0.85rem;
  color: #888888;
}

.footer-bottom p {
  margin-bottom: 6px;
}

.footer-bottom a {
  color: #888888;
  text-decoration: underline;
}

.footer-bottom a:hover {
  color: var(--primary-color);
}

/* ==========================================================================
   12. Responsive Media Queries
   ========================================================================== */

/* Tablet (768px and up) */
@media (min-width: 768px) {
  section {
    padding: 80px 0;
  }

  .section-title h2 {
    font-size: 2.2rem;
  }

  .hero h1 {
    font-size: 3rem;
  }

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

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

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

  .about-container {
    grid-template-columns: 1fr 1fr;
  }

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

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

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
  section {
    padding: 100px 0;
  }

  .hamburger {
    display: none;
  }

  .nav-menu {
    position: static;
    height: auto;
    width: auto;
    background-color: transparent;
    flex-direction: row;
    padding-top: 0;
  }

  .nav-item {
    margin-bottom: 0;
    margin-left: 28px;
  }

  .nav-link {
    font-size: 0.95rem;
  }

  .nav-btn {
    display: inline-block;
    margin-left: 28px;
    padding: 8px 20px;
    font-size: 0.9rem;
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1.5fr 1fr;
  }
}

/* Large Desktop (1440px and up) */
@media (min-width: 1440px) {
  .hero h1 {
    font-size: 3.4rem;
  }

  .hero p {
    font-size: 1.25rem;
  }
}