/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0071e3;
    --text-color: #1d1d1f;
    --text-secondary: #86868b;
    --background-color: #f5f5f7;
    --card-background: #ffffff;
    --border-color: #d2d2d7;
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 400;
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    opacity: 0.7;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-color);
}

/* Hero Section */
.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=China%20landscape%20with%20mountains%20and%20traditional%20architecture%2C%20scenic%20view%2C%20epic%20landscape%2C%20high%20quality%20photography&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 600;
    margin-bottom: 16px;
    animation: fadeInUp 1s ease;
    letter-spacing: -0.01em;
}

.hero-content .hero-subtitle {
    font-size: 22px;
    margin-bottom: 16px;
    animation: fadeInUp 1s ease 0.2s both;
    opacity: 0.9;
    font-weight: 400;
    line-height: 1.5;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-content .hero-description {
    font-size: 18px;
    margin-bottom: 32px;
    animation: fadeInUp 1s ease 0.3s both;
    opacity: 0.85;
    font-weight: 300;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: 0.01em;
}

.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 10px 24px;
    border-radius: 24px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.4s both;
    min-width: 200px;
    text-align: center;
}

.btn-primary:hover {
    background-color: #0077ed;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--primary-color);
    padding: 8px 20px;
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: rgba(0, 113, 227, 0.1);
    transform: translateY(-1px);
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

@media (max-width: 480px) {
    .hero-buttons {
        align-items: center;
    }
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 16px;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-secondary);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Destinations Section */
.destinations {
    background-color: var(--card-background);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.destination-card {
    background-color: var(--card-background);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.destination-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.destination-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.destination-content {
    padding: 24px;
}

.destination-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.destination-content p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* Travel Tips Section */
.travel-tips {
    background-color: var(--background-color);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.tip-card {
    background-color: var(--card-background);
    padding: 28px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    text-align: center;
    border: 1px solid var(--border-color);
}

.tip-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.tip-icon {
    width: 56px;
    height: 56px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 20px;
    transition: all 0.4s ease;
}

.tip-card:hover .tip-icon {
    background-color: #0077ed;
    transform: scale(1.05);
}

.tip-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.tip-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* Cultural Guides Section */
.cultural-guides {
    background-color: var(--card-background);
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.guide-card {
    background-color: var(--card-background);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.guide-card img {
    width: 100%;
    height: 192px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.guide-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 24px 12px;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.guide-card p {
    margin: 0 24px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.guide-card .btn-secondary {
    margin: 0 24px 24px;
}

/* Practical Information Section */
.practical-info {
    background-color: var(--background-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.info-card {
    background-color: var(--card-background);
    padding: 28px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.info-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.info-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* About Section */
.about {
    background-color: var(--card-background);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    margin-bottom: 24px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
}

/* Region and City Introduction */
.region-intro,
.city-intro {
    background-color: var(--card-background);
    padding: 80px 0;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-content p {
    margin-bottom: 24px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
}

/* Cities Section */
.cities {
    background-color: var(--background-color);
}

/* Attractions Section */
.attractions {
    background-color: var(--card-background);
}

.attractions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.attraction-card {
    background-color: var(--card-background);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.attraction-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.attraction-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.attraction-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 24px 12px;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.attraction-card p {
    margin: 0 24px 24px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* Things to Do Section */
.things-to-do {
    background-color: var(--background-color);
}

/* Services Section */
.services {
    background-color: var(--card-background);
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.service-card {
    background-color: var(--background-color);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.service-icon {
    width: 56px;
    height: 56px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 20px;
    transition: all 0.4s ease;
}

.service-card:hover .service-icon {
    background-color: #0077ed;
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.service-card p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
}

.service-card ul li {
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
}

.service-card ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 8px;
}

.service-contact,
.services-cta,
.service-cta {
    text-align: center;
    padding: 40px;
}

.services-cta p,
.service-cta p {
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 16px;
}

/* Contact Page Styles */
/* Advantages Section */
.advantages {
    padding: 80px 0;
    background-color: #f5f5f7;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.advantage-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
}

/* Travel Styles Section */
.travel-styles {
    padding: 80px 0;
}

.styles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.style-card {
    background-color: #fff;
    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;
}

.style-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.style-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.style-content {
    padding: 20px;
}

.style-content ul {
    list-style: none;
    padding: 0;
    margin-top: 15px;
}

.style-content li {
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.style-content li:before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* What We Do Section */
.what-we-do {
    padding: 80px 0;
    background-color: #f5f5f7;
}

.what-we-do .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.what-we-do .service-item {
    background-color: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.what-we-do .service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.what-we-do .service-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 20px;
}

/* Contact Form Section */
.contact-form {
    padding: 80px 0;
}

.form {
    max-width: 600px;
    margin: 40px auto 0;
    background-color: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Map Section */
.map {
    padding: 80px 0;
    background-color: var(--background-color);
}

.map-container {
    margin-top: 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    border-radius: 12px;
}

/* Cultural Guides Page Styles */
.guide-detail {
    margin-bottom: 60px;
}

.guide-content {
    display: flex;
    gap: 30px;
    margin-top: 20px;
    align-items: flex-start;
}

.guide-content img {
    width: 400px;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.guide-text {
    flex: 1;
}

.guide-text ul {
    margin: 15px 0;
    padding-left: 20px;
}

.guide-text li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .guide-content {
        flex-direction: column;
    }
    
    .guide-content img {
        width: 100%;
        height: 200px;
    }
}

/* Contact Info Section */
.contact-info {
    padding: 80px 0;
    background-color: #f5f5f7;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

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

.info-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
}

.service-contact h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.service-contact .service-subtitle {
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
}

.service-contact .service-description {
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 300;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* Newsletter Section */
.newsletter {
    background-color: var(--card-background);
    color: var(--text-color);
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.newsletter h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.newsletter p {
    margin-bottom: 32px;
    font-size: 16px;
    color: var(--text-secondary);
}

.newsletter-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 300px;
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    outline: none;
    background-color: var(--card-background);
    transition: all 0.3s ease;
}

.newsletter-form input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.newsletter-form button {
    background-color: var(--primary-color);
    color: #fff;
    padding: 12px 28px;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    background-color: #0077ed;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

/* Footer */
.footer {
    background-color: var(--card-background);
    color: var(--text-color);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.footer-section p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section ul li i {
    margin-right: 10px;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--background-color);
    border-radius: 50%;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .hero-content p {
        font-size: 18px;
    }

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

    .newsletter-form {
        flex-direction: column;
        align-items: center;
    }

    .newsletter-form input {
        width: 100%;
        max-width: 400px;
    }

    .newsletter-form button {
        width: 100%;
        max-width: 400px;
    }
}

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

    .hero-content p {
        font-size: 16px;
    }

    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .destinations-grid,
    .tips-grid,
    .guides-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
}