/* 
 * 优德w88官网样式表
 * Mobile-First Responsive Design
 * 优化适配 Yandex 和 Bing 搜索引擎
 */

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

:root {
    --primary-color: #1a5fb4;
    --primary-dark: #0d3a7a;
    --primary-light: #3584e4;
    --secondary-color: #26a269;
    --accent-color: #ff7800;
    --text-color: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #e9ecef;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 5px 25px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
}

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

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

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

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
.header {
    background: var(--bg-color);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    margin-right: 10px;
    font-size: 1.1rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.1rem;
    line-height: 1.2;
}

.logo-slogan {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* Navigation */
.nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-color);
    transform: translateX(100%);
    transition: var(--transition);
    overflow-y: auto;
    padding: 20px;
}

.nav.active {
    transform: translateX(0);
}

.nav-list {
    display: flex;
    flex-direction: column;
}

.nav-item {
    border-bottom: 1px solid var(--border-color);
}

.nav-link {
    display: block;
    padding: 15px 0;
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

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

/* Hero Section */
.hero {
    margin-top: 64px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 15px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 1.75rem;
    color: white;
    margin-bottom: 15px;
    line-height: 1.4;
}

.hero-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 25px;
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.stat-item {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 20px 15px;
    border-radius: 10px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: #e66a00;
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.btn-outline:hover {
    background: white;
    color: var(--primary-color);
}

/* Section Styles */
.section {
    padding: 50px 0;
}

.section-gray {
    background: var(--bg-light);
}

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

.section-title h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-title p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 15px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.service-card {
    background: var(--bg-color);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* About Preview Section */
.about-preview {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.about-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.about-content h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.feature-item span {
    font-size: 0.9rem;
    color: var(--text-color);
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.product-card {
    background: var(--bg-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.product-image {
    height: 200px;
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.product-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* News Section */
.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.news-card {
    background: var(--bg-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-card:hover {
    box-shadow: var(--shadow-lg);
}

.news-image {
    height: 180px;
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 2.5rem;
}

.news-content {
    padding: 20px;
}

.news-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.news-card h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    line-height: 1.5;
}

.news-card h3 a {
    color: var(--text-color);
}

.news-card h3 a:hover {
    color: var(--primary-color);
}

.news-excerpt {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--primary-color);
}

/* Advantages Section */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.advantage-item {
    text-align: center;
    padding: 25px 15px;
    background: var(--bg-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.advantage-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

.advantage-item h4 {
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.advantage-item p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Partners Section */
.partners-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.partner-item {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    transition: var(--transition);
}

.partner-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.partner-item span {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Contact Section */
.contact-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-info {
    background: var(--primary-color);
    color: white;
    padding: 30px 20px;
    border-radius: 12px;
}

.contact-info h3 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 20px;
}

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

.contact-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.9rem;
    margin-bottom: 5px;
    color: rgba(255,255,255,0.8);
    font-weight: 400;
}

.contact-item p {
    font-size: 1rem;
}

.contact-form {
    background: var(--bg-color);
    padding: 30px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.1);
}

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

/* Footer */
.footer {
    background: #1a1a2e;
    color: #ffffff;
    padding-top: 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 40px;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: white;
    position: relative;
    padding-bottom: 10px;
}

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

.footer-about p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

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

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* Page Header */
.page-header {
    margin-top: 64px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 50px 15px;
    text-align: center;
}

.page-header h1 {
    font-size: 1.75rem;
    color: white;
    margin-bottom: 10px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

/* About Page */
.about-section {
    padding: 50px 0;
}

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

.about-intro h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-intro p {
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 15px;
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 5px;
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
}

.timeline-year {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.timeline-content {
    color: var(--text-light);
    font-size: 0.95rem;
}

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

.cert-item {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.cert-item h4 {
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.cert-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* News Page */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.news-list-item {
    background: var(--bg-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-list-item:hover {
    box-shadow: var(--shadow-lg);
}

.news-list-image {
    height: 200px;
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 3rem;
}

.news-list-content {
    padding: 20px;
}

.news-list-content h2 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    line-height: 1.5;
}

.news-list-content h2 a {
    color: var(--text-color);
}

.news-list-content h2 a:hover {
    color: var(--primary-color);
}

/* News Detail Page */
.news-detail {
    padding: 40px 0;
}

.news-detail-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.news-detail-header h1 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.news-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.news-detail-content {
    line-height: 1.9;
    color: var(--text-color);
}

.news-detail-content p {
    margin-bottom: 20px;
}

.news-detail-content h2 {
    font-size: 1.25rem;
    margin: 30px 0 15px;
    color: var(--primary-color);
}

.news-detail-content h3 {
    font-size: 1.1rem;
    margin: 25px 0 12px;
}

.news-nav {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.news-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 8px;
    color: var(--text-color);
}

.news-nav a:hover {
    background: var(--primary-color);
    color: white;
}

/* Contact Page */
.contact-page-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.map-container {
    height: 300px;
    background: var(--bg-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

/* Services Page */
.service-detail {
    margin-bottom: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid var(--border-color);
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail h2 {
    font-size: 1.35rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-detail p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

.service-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 20px;
}

.service-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 8px;
}

.service-feature-item .icon {
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

/* Tablet Styles */
@media (min-width: 768px) {
    .header-inner {
        padding: 15px 20px;
    }
    
    .logo-name {
        font-size: 1.25rem;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .nav {
        position: static;
        transform: none;
        background: transparent;
        padding: 0;
        overflow: visible;
    }
    
    .nav-list {
        flex-direction: row;
        gap: 5px;
    }
    
    .nav-item {
        border-bottom: none;
    }
    
    .nav-link {
        padding: 10px 15px;
        font-size: 0.95rem;
    }
    
    .hero {
        padding: 80px 20px;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .section {
        padding: 70px 0;
    }
    
    .section-title h2 {
        font-size: 1.75rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-preview {
        flex-direction: row;
        align-items: center;
    }
    
    .about-image,
    .about-content {
        flex: 1;
    }
    
    .about-image img {
        height: 350px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .partners-list {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .contact-wrapper {
        flex-direction: row;
    }
    
    .contact-info,
    .contact-form {
        flex: 1;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .page-header {
        padding: 70px 20px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .cert-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .news-list-item {
        display: flex;
    }
    
    .news-list-image {
        width: 280px;
        height: auto;
        flex-shrink: 0;
    }
    
    .news-list-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    
    .news-nav {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .news-nav a {
        flex: 1;
        max-width: 48%;
    }
    
    .contact-page-wrapper {
        flex-direction: row;
    }
    
    .map-container {
        flex: 1;
        height: 400px;
    }
    
    .service-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .header-inner {
        padding: 15px 30px;
    }
    
    .nav-link {
        padding: 10px 20px;
    }
    
    .hero {
        padding: 100px 30px;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .partners-list {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
    
    .news-detail-header h1 {
        font-size: 1.75rem;
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .back-to-top {
        display: none;
    }
    
    .hero {
        margin-top: 0;
        background: none;
        color: var(--text-color);
        padding: 20px 0;
    }
    
    .hero h1 {
        color: var(--text-color);
    }
}