/* ============================================
   Enterprise Ghost Theme - Main Stylesheet
   Version: 1.0.0
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    
    /* Neutral Colors */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Semantic Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Layout */
    --container-max-width: 1280px;
    --header-height: 72px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--primary-dark);
}

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #ffffff;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.site-logo img {
    height: 40px;
    width: auto;
}

.site-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.site-logo-text:hover {
    color: var(--primary-color);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.nav-list a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
    background-color: var(--gray-100);
}

/* Search */
.search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--gray-600);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.search-toggle:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border: none;
    background: transparent;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    padding: var(--spacing-3xl) 0;
    color: #ffffff;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: #ffffff;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.hero-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: #ffffff;
}

/* Main Content */
.site-main {
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - var(--header-height) - 200px);
}

/* Post Grid */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

/* Post Card */
.post-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gray-300);
}

.post-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.post-card-content {
    padding: var(--spacing-lg);
}

.post-card-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-light);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
}

.post-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.post-card-title a {
    color: var(--gray-900);
}

.post-card-title a:hover {
    color: var(--primary-color);
}

.post-card-excerpt {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-100);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.post-card-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.post-card-author img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.post-card-author-name {
    font-weight: 500;
    color: var(--gray-700);
}

/* Featured Post */
.featured-post {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.featured-post .post-card-image {
    aspect-ratio: auto;
    height: 100%;
    min-height: 400px;
}

.featured-post .post-card-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-2xl);
}

.featured-post .post-card-title {
    font-size: 2rem;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--accent-color);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

/* Single Post */
.post-full {
    max-width: 800px;
    margin: 0 auto;
}

.post-full-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.post-full-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-light);
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.post-full-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.post-full-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    color: var(--gray-500);
    font-size: 0.9375rem;
}

.post-full-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.post-full-author img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
}

.post-full-image {
    margin-bottom: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.post-full-image img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* Post Content */
.post-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.post-content h2,
.post-content h3,
.post-content h4 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.post-content p {
    margin-bottom: var(--spacing-lg);
}

.post-content a {
    color: var(--primary-color);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content blockquote {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--gray-100);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--gray-600);
}

.post-content pre {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--gray-900);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    padding: 0.2em 0.4em;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
}

.post-content pre code {
    padding: 0;
    background: transparent;
    color: var(--gray-100);
}

.post-content ul,
.post-content ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.post-content li {
    margin-bottom: var(--spacing-sm);
}

.post-content img {
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-lg);
}

/* Post Footer */
.post-footer {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.post-tags a {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gray-100);
    color: var(--gray-700);
    font-size: 0.875rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.post-tags a:hover {
    background: var(--primary-color);
    color: #ffffff;
}

.post-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.post-share-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    margin: 0;
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.share-btn:hover {
    background: var(--primary-color);
    color: #ffffff;
}

/* Author Card */
.author-card {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    margin-top: var(--spacing-2xl);
}

.author-card-avatar img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.author-card-info h4 {
    margin-bottom: var(--spacing-xs);
}

.author-card-bio {
    color: var(--gray-600);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-sm);
}

.author-card-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.pagination a {
    background: #ffffff;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.pagination a:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.pagination .page-number {
    color: var(--gray-500);
}

/* Footer */
.site-footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-400);
}

.footer-section h4 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--gray-800);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-color);
    color: #ffffff;
}

/* Tag/Author Archive */
.archive-header {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-200);
}

.archive-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.archive-description {
    color: var(--gray-600);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.archive-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    color: var(--gray-500);
    font-size: 0.9375rem;
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 100px;
}

.search-overlay.active {
    display: flex;
}

.search-container {
    width: 100%;
    max-width: 600px;
    background: #ffffff;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

.search-input-wrapper:focus-within {
    border-color: var(--primary-color);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1.125rem;
    color: var(--gray-800);
}

.search-input::placeholder {
    color: var(--gray-400);
}

.search-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--gray-600);
}

/* Search Results */
.search-results {
    margin-top: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
    display: none;
}

.search-results.active {
    display: block;
}

.search-result-item {
    display: block;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-100);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.search-result-item:hover {
    background: var(--gray-50);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-xs);
}

.search-result-excerpt {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0 0 var(--spacing-xs);
    line-height: 1.5;
}

.search-result-date {
    font-size: 0.75rem;
    color: var(--gray-400);
}

.search-result-title mark,
.search-result-excerpt mark {
    background: #fef08a;
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
}

/* 404 Page */
.error-page {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.error-code {
    font-size: 8rem;
    font-weight: 800;
    color: var(--gray-300);
    line-height: 1;
}

.error-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.error-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.error-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
    border-radius: var(--radius-lg);
}

.error-btn:hover {
    background: var(--primary-dark);
    color: #ffffff;
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .featured-post {
        grid-template-columns: 1fr;
    }
    
    .featured-post .post-card-image {
        min-height: 250px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: #ffffff;
        flex-direction: column;
        padding: var(--spacing-xl);
        transform: translateX(100%);
        transition: transform var(--transition-normal);
    }
    
    .main-nav.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-list a {
        padding: var(--spacing-md);
        font-size: 1.125rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .post-grid {
        grid-template-columns: 1fr;
    }
    
    .post-full-title {
        font-size: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .author-card {
        flex-direction: column;
        text-align: center;
    }
    
    .author-card-avatar {
        margin: 0 auto;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.post-card {
    animation: fadeIn 0.5s ease forwards;
}

.post-card:nth-child(2) { animation-delay: 0.1s; }
.post-card:nth-child(3) { animation-delay: 0.2s; }
.post-card:nth-child(4) { animation-delay: 0.3s; }
.post-card:nth-child(5) { animation-delay: 0.4s; }
.post-card:nth-child(6) { animation-delay: 0.5s; }

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ============================================
   Business Sections - Background Images Only
   ============================================ */

.business-section {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.business-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.business-section-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.business-section-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.business-section-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: var(--spacing-3xl) 0;
}

.business-section-grid {
    display: grid;
    grid-template-columns: 2fr 2fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.business-section-left {
    color: #ffffff;
}

.business-section-number {
    font-size: 4rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.2);
    line-height: 1;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
}

.business-section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: #ffffff;
}

.business-section-title a {
    color: #ffffff;
    text-decoration: none;
    transition: color var(--transition-normal);
}

.business-section-title a:hover {
    color: var(--primary-light);
}

.business-section-right {
    color: rgba(255, 255, 255, 0.9);
}

.business-section-desc {
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.85);
}

.business-section-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.business-section-link:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.business-section-link svg {
    transition: transform var(--transition-normal);
}

.business-section-link:hover svg {
    transform: translateX(4px);
}

/* Background Images */
.business-section-1 .business-section-bg {
    background-image: url('../images/landscape-1.jpg?v=2');
}

.business-section-2 .business-section-bg {
    background-image: url('../images/landscape-2.jpg?v=2');
}

.business-section-3 .business-section-bg {
    background-image: url('../images/landscape-3.jpg?v=2');
}

.business-section-4 .business-section-bg {
    background-image: url('../images/landscape-4.jpg?v=2');
}

/* Section title */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--gray-900);
}

/* Responsive */
@media (max-width: 768px) {
    .business-section {
        min-height: auto;
        padding: var(--spacing-2xl) 0;
    }

    .business-section-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .business-section-number {
        font-size: 3rem;
    }

    .business-section-title {
        font-size: 1.75rem;
    }

    .business-section-desc {
        font-size: 0.95rem;
    }
}

/* ============================================
   Hero Section with Background Image
   ============================================ */

.hero-with-bg {
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/landscape-hero.jpg?v=2');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.3) 0%, rgba(30, 41, 59, 0.3) 100%);
    z-index: 1;
}

.hero-with-bg .container {
    position: relative;
    z-index: 2;
}

/* ============================================
   WeChat Article Style (微信公众号排版)
   ============================================ */

.wechat-article {
    max-width: 680px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 17px;
    line-height: 1.8;
    color: #333;
    letter-spacing: 0.5px;
}

.wechat-article p {
    margin-bottom: 1.5em;
    text-align: justify;
}

.wechat-article h2 {
    font-size: 1.5em;
    font-weight: 700;
    color: #1a1a1a;
    margin-top: 2em;
    margin-bottom: 0.8em;
    padding-left: 12px;
    border-left: 4px solid #07c160;
    line-height: 1.4;
}

.wechat-article h3 {
    font-size: 1.2em;
    font-weight: 600;
    color: #333;
    margin-top: 1.5em;
    margin-bottom: 0.6em;
}

.wechat-article strong {
    color: #07c160;
    font-weight: 600;
}

.wechat-article blockquote {
    margin: 1.5em 0;
    padding: 1em 1.2em;
    background: #f7f7f7;
    border-left: 4px solid #07c160;
    color: #666;
    font-size: 0.95em;
    border-radius: 0 8px 8px 0;
}

.wechat-article blockquote p {
    margin: 0;
}

.wechat-article img {
    max-width: 100%;
    height: auto;
    margin: 1.5em auto;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.wechat-article ul,
.wechat-article ol {
    margin: 1em 0;
    padding-left: 1.5em;
}

.wechat-article li {
    margin-bottom: 0.5em;
}

.wechat-article a {
    color: #576b95;
    text-decoration: none;
    border-bottom: 1px solid #576b95;
}

.wechat-article a:hover {
    color: #07c160;
    border-bottom-color: #07c160;
}

/* 文章头部样式 */
.post-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem 0;
}

.post-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.post-meta {
    color: #999;
    font-size: 0.9em;
}

.post-meta span {
    margin: 0 0.5em;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .wechat-article {
        font-size: 16px;
        padding: 1.5rem 1rem;
    }
    
    .wechat-article h2 {
        font-size: 1.3em;
    }
    
    .post-title {
        font-size: 1.5rem;
    }
}

/* ============================================
   About Page Style
   ============================================ */

.about-page {
    min-height: 100vh;
    background: #fff;
}

.about-header {
    background: linear-gradient(135deg, #07c160 0%, #059b4a 100%);
    padding: 4rem 0;
    text-align: center;
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.about-content {
    padding: 3rem 0;
}

.about-body {
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .about-header {
        padding: 3rem 0;
    }
    
    .about-title {
        font-size: 2rem;
    }
    
    .about-content {
        padding: 2rem 0;
    }
}

/* ===== News Page Styles ===== */
.news-page {
    min-height: 100vh;
    background: var(--gray-50);
}

.news-header {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    padding: 4rem 0;
    text-align: center;
    color: #fff;
}

.news-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.news-subtitle {
    font-size: 1.1rem;
    opacity: 0.8;
    margin: 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    padding: 3rem 0;
}

.news-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-card-image {
    display: block;
    aspect-ratio: 21/9;
    overflow: hidden;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

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

.news-card-content {
    padding: 1rem;
}

.news-card-meta {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-bottom: 0.3rem;
}

.news-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    line-height: 1.4;
}

.news-card-title a {
    color: var(--gray-900);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.news-card-title a:hover {
    color: var(--primary-color);
}

.news-card-excerpt {
    font-size: 0.8rem;
    color: var(--gray-600);
    line-height: 1.4;
    margin: 0 0 0.6rem;
}

.news-card-excerpt > *:nth-child(n+4) {
    display: none;
}

.news-card-link {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.news-card-link:hover {
    color: var(--primary-dark);
}

/* News Section on Homepage */
.news-section {
    padding: 4rem 0;
    background: var(--gray-50);
}

.news-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.news-section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 0.5rem;
}

.news-section-subtitle {
    font-size: 1rem;
    color: var(--gray-500);
    margin: 0;
}

.news-section-more {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: background var(--transition-fast);
}

.news-section-more:hover {
    background: var(--primary-dark);
}

@media (max-width: 768px) {
    .news-header {
        padding: 3rem 0;
    }
    
    .news-title {
        font-size: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2rem 0;
    }
    
    .news-section {
        padding: 3rem 0;
    }
    
    .news-section-title {
        font-size: 1.5rem;
    }
}