/* Guangzhou Travel Guide - CSS Stylesheet */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    min-height: auto;
}

header {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    text-align: center;
    padding: 3rem 1rem;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

nav {
    background-color: #2c3e50;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
}

nav ul li {
    margin: 0;
}

nav ul li a {
    display: block;
    padding: 1.2rem 2rem;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

nav ul li a:hover {
    background-color: #34495e;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: block;
    min-height: auto;
}

section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    min-height: auto;
}

section h2 {
    color: #1e3c72;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eee;
}

article h3 {
    color: #2a5298;
    margin-bottom: 0.5rem;
}

article p {
    margin-bottom: 1rem;
}

ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

strong {
    color: #1e3c72;
}

aside {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

aside h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eee;
}

aside p {
    margin: 0.5rem 0;
    line-height: 1.5;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

footer p {
    margin: 0.5rem 0;
}

footer a {
    color: #ecf0f1;
    text-decoration: none;
    margin: 0 0.5rem;
}

footer a:hover {
    text-decoration: underline;
}

/* AdSense slot placeholders to prevent CLS */
.adsense-slot-horizontal {
    display: block;
    width: 100%;
    height: 90px; /* Fixed height to prevent excessive spacing */
    max-height: 90px; /* Prevent stretching */
    background-color: #f0f0f0;
    margin: 1.5rem 0;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.adsense-slot-horizontal::before,
.adsense-slot-sidebar::before {
    content: "Advertisement";
    display: block;
    font-size: 10px;
    color: #888;
    text-align: center;
    padding: 2px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.adsense-slot-sidebar {
    display: block;
    width: 100%;
    min-height: 250px; /* Skyscraper size */
    background-color: #f0f0f0;
    margin: 1.5rem 0;
    border-radius: 4px;
    position: relative;
}

/* Responsive adjustments for ad slots */
@media (max-width: 768px) {
    .adsense-slot-horizontal {
        min-height: 70px; /* Smaller on tablets */
    }

    .adsense-slot-sidebar {
        min-height: 200px; /* Smaller on tablets */
    }
}

@media (max-width: 480px) {
    .adsense-slot-horizontal {
        min-height: 50px; /* Even smaller on mobile */
    }

    .adsense-slot-sidebar {
        min-height: 150px; /* Much smaller on mobile */
    }
}

/* Button styles */
.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s ease;
    margin: 1.5rem 0;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.cta-button:hover {
    background: linear-gradient(135deg, #2a5298, #1e3c72);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 60, 114, 0.3);
}

/* Feature grid for homepage hero section */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: start;
    margin: 2rem 0;
}

.feature-column {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #eee;
}

.feature-column:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.feature-column h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.feature-column h3::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #1e3c72;
    margin-right: 0.5rem;
    border-radius: 50%;
}

.feature-column p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.feature-column img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Category grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.category-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #eee;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.category-card h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.category-card h3::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #1e3c72;
    margin-right: 0.5rem;
    border-radius: 50%;
}

.category-card ul {
    margin-left: 1.2rem;
}

.category-card li {
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.5rem;
    list-style: none; /* Remove default bullets */
}

.category-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e3c72;
    font-weight: bold;
}

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    header p {
        font-size: 1rem;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li a {
        padding: 1rem;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    main {
        padding: 1rem;
    }

    section {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }

    aside {
        margin-top: 2rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 2rem 1rem;
    }

    header h1 {
        font-size: 1.8rem;
    }

    nav ul li a {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }

    section h2 {
        font-size: 1.5rem;
    }

    section {
        padding: 1rem;
    }

    aside h3 {
        font-size: 1.2rem;
    }
}

/* FAQ Section */
.faq-section {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #eee;
}

.faq-section h2 {
    color: #1e3c72;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eee;
}

.faq-section details {
    margin-bottom: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
}

.faq-section summary {
    background-color: #f8f9fa;
    padding: 1rem;
    cursor: pointer;
    font-weight: 600;
    color: #1e3c72;
    transition: background-color 0.2s ease;
}

.faq-section summary:hover {
    background-color: #f0f0f0;
}

.faq-section summary::-webkit-details-marker {
    display: none;
}

.faq-section summary::after {
    content: '+';
    float: right;
    font-weight: bold;
}

.faq-section details[open] summary::after {
    content: '−';
}

.faq-section details p {
    padding: 1rem;
    background-color: #fafafa;
    margin: 0;
    line-height: 1.6;
    color: #444;
}

/* Local Expert Trust Block */
.local-expert-cta {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    margin: 2rem 0;
    border: 1px solid #dee2e6;
    overflow: hidden;
}

.local-expert-cta p {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.local-expert-cta .cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.local-expert-cta .cta-button:hover {
    background: linear-gradient(135deg, #2a5298, #1e3c72);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 60, 114, 0.3);
}

/* China Travel Hub Section */
.china-travel-hub {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #eee;
}

/* Attractions Grid Styles */
.attractions-grid-section {
    margin: 2rem 0;
}

.attractions-grid-section h2 {
    color: #1e3c72;
    margin-bottom: 1.5rem;
    text-align: center;
}

.attractions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 0;
}

.attraction-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    border: 1px solid #eee;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.attraction-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-color: #1e3c72;
}

.attraction-card .card-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

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

.attraction-card:hover .card-image img {
    transform: scale(1.05);
}

.attraction-card .card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.attraction-card .card-content h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    flex-grow: 1;
}

.attraction-card .card-content p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0;
    flex-shrink: 0;
}

.china-travel-hub h2 {
    color: #1e3c72;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eee;
}

.china-travel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.china-travel-card {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #eee;
}

.china-travel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.china-travel-card h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.china-travel-card h3::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #1e3c72;
    margin-right: 0.5rem;
    border-radius: 50%;
}

.china-travel-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    color: #444;
}

.read-more-link {
    display: inline-block;
    color: #1e3c72;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid #1e3c72;
    transition: all 0.2s ease;
}

.read-more-link:hover {
    color: #2a5298;
    border-bottom-color: #2a5298;
    transform: translateX(2px);
}