/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c5aa0;
    --primary-dark: #1e3f73;
    --primary-light: #4a7bc8;
    --secondary-color: #667eea;
    --accent-color: #764ba2;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #f44336;
    --text-primary: #2c3e50;
    --text-secondary: #546e7a;
    --text-light: #78909c;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #eceff1;
    --border-color: #e0e0e0;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.08);
    --shadow-medium: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-heavy: 0 8px 30px rgba(0,0,0,0.16);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    font-size: 16px;
    scroll-behavior: smooth;
    background: var(--bg-primary);
}

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

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 75px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 8px;
}

.nav-menu li {
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 20px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(44, 90, 160, 0.08);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

/* 移除CSS hover控制，改用JavaScript */

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: var(--bg-primary);
    box-shadow: var(--shadow-heavy);
    border-radius: var(--border-radius-lg);
    min-width: 200px;
    padding: 12px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

/* JavaScript控制的显示状态 */
.dropdown-menu.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* 为下拉菜单区域添加更大的悬停区域 */
.nav-dropdown {
    position: relative;
}

.nav-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: -10px;
    right: -10px;
    height: 15px;
    background: transparent;
    z-index: 999;
}

/* 移动端下拉菜单优化 */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: inset 0 1px 0 var(--border-color);
        border-radius: 0;
        margin-top: 0;
        backdrop-filter: none;
        background: var(--bg-tertiary);
        border: none;
        transform: none;
        transition: opacity 0.25s ease, max-height 0.25s ease;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
    }
    
    .dropdown-menu.show {
        max-height: 200px;
        opacity: 1;
        transform: none;
    }
    
    .nav-dropdown::after {
        display: none;
    }
    
    .dropdown-menu a {
        padding: 10px 20px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .dropdown-menu a:last-child {
        border-bottom: none;
    }
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: translateX(4px);
}

/* 下拉菜单箭头指示器 */
.nav-dropdown .nav-link {
    position: relative;
    padding-right: 20px;
}

.nav-dropdown .nav-link::before {
    content: '▼';
    font-size: 10px;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
    color: inherit;
}

.nav-dropdown.menu-open .nav-link::before {
    transform: translateY(-50%) rotate(180deg);
}

/* Hero Section */
.hero {
    /* 背景图片设置 */
    background-image: url('images/banners/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    padding: 160px 0 120px;
    text-align: center;
    margin-top: 75px;
    position: relative;
    overflow: hidden;
}

/* 添加深色遮罩确保文字可读性 */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.6) 0%, rgba(30, 63, 115, 0.6) 100%);
    z-index: 0;
}

.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="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 24px;
    text-shadow: 0 4px 8px rgba(0,0,0,0.2);
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 22px;
    margin-bottom: 48px;
    opacity: 0.95;
    line-height: 1.7;
    font-weight: 400;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-width: 140px;
    text-align: center;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(44, 90, 160, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(44, 90, 160, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: white;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 90, 160, 0.3);
}

/* Sections */
.section-title {
    text-align: center;
    font-size: 42px;
    margin-bottom: 64px;
    color: var(--text-primary);
    font-weight: 800;
    position: relative;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.products-preview,
.solutions-preview,
.news-preview,
.partners {
    padding: 100px 0;
}

.products-preview {
    background: var(--bg-secondary);
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.product-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 40px 32px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: rgba(44, 90, 160, 0.2);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-image {
    margin-bottom: 28px;
}

.placeholder-image {
    height: 160px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 20px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.placeholder-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.1);
    backdrop-filter: blur(1px);
}

/* 产品图片样式 */
.product-image-real {
    height: 160px;
    border-radius: var(--border-radius-lg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-image-real:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-heavy);
}

/* 响应式图片容器 */
.responsive-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.responsive-image:hover {
    transform: scale(1.02);
}

/* 图片加载状态 */
.image-loading {
    background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
    animation: pulse 1.5s ease-in-out infinite alternate;
}

@keyframes pulse {
    from { opacity: 0.6; }
    to { opacity: 1; }
}

/* 图片错误状态 */
.image-error {
    background: linear-gradient(45deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    text-align: center;
}

/* 3D产品渲染图容器 */
.product-3d-container {
    perspective: 1000px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-3d-render {
    width: 100%;
    max-width: 400px;
    height: 300px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.product-3d-render:hover {
    transform: rotateY(5deg) rotateX(5deg);
}

/* 解决方案图片样式 */
.solution-image-real {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.3s ease;
}

.solution-image-real:hover {
    transform: scale(1.05);
}

/* 合作伙伴Logo样式 */
.partner-logo img {
    max-width: 100%;
    height: auto;
    max-height: 60px;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.partner-logo:hover img {
    filter: grayscale(0%);
    transform: scale(1.1);
}

/* 新闻图片样式 */
.news-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

/* 团队照片样式 */
.team-photo {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Lazy loading支持 */
.lazy-image {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-image.loaded {
    opacity: 1;
}

.product-card h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.3px;
}

.product-card p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.7;
    font-size: 16px;
}

/* Solution Grid */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.solution-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--success-color), #2E7D32);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-image {
    height: 200px;
}

.solution-image .placeholder-image {
    height: 100%;
    font-size: 20px;
}

.solution-card h3,
.solution-card p,
.solution-card .btn {
    padding: 0 30px;
}

.solution-card h3 {
    font-size: 28px;
    margin: 24px 32px 16px;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.3px;
}

.solution-card p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.7;
    font-size: 16px;
    padding: 0 32px;
}

.solution-card .btn {
    margin-bottom: 32px;
    margin-left: 32px;
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.news-item {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-3px);
}

.news-date {
    color: #2c5aa0;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 10px;
}

.news-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.news-item p {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.news-link {
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

.news-link:hover {
    text-decoration: underline;
}

/* Partners */
.partners {
    background: #f8f9fa;
}

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

.partner-logo {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.placeholder-logo {
    font-size: 16px;
    font-weight: bold;
    color: #666;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--text-primary) 0%, #1a252f 100%);
    color: white;
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h3 {
    font-size: 28px;
    margin-bottom: 24px;
    color: white;
    font-weight: 700;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 18px;
    color: rgba(255,255,255,0.9);
    font-weight: 600;
}

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

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

.footer-section ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 15px;
    display: inline-block;
}

.footer-section ul li a:hover {
    color: white;
    transform: translateX(4px);
}

.footer-section p {
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    font-size: 15px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.footer-social {
    margin-top: 20px;
}

.social-item {
    margin-bottom: 10px;
}

.social-item span {
    color: rgba(255,255,255,0.8);
    font-size: 15px;
}

.footer-contact p {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 8px;
}

/* Page Headers */
.page-header {
    color: white;
    padding: 140px 0 100px;
    margin-top: 75px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::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="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
    text-shadow: 0 4px 8px rgba(0,0,0,0.2);
    letter-spacing: -1px;
    position: relative;
    z-index: 1;
}

.page-header p {
    font-size: 20px;
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Page Header Variants */
.page-header.technology {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.page-header.products {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.page-header.solutions {
    background: linear-gradient(135deg, var(--success-color) 0%, #2E7D32 100%);
}

.page-header.team {
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
}

.page-header.news {
    background: linear-gradient(135deg, #E91E63 0%, #C2185B 100%);
}

.page-header.about {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero {
        padding: 140px 0 100px;
    }
    
    .hero-title {
        font-size: 42px;
        line-height: 1.1;
        margin-bottom: 20px;
    }
    
    .hero-subtitle {
        font-size: 20px;
        margin-bottom: 40px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .btn {
        min-width: 200px;
    }
    
    .section-title {
        font-size: 32px;
        margin-bottom: 48px;
    }
    
    .section-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }
    
    .product-grid,
    .solution-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .product-card {
        padding: 32px 24px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-container {
        height: 70px;
    }
    
    .nav-logo h2 {
        font-size: 28px;
    }
    
    .footer {
        padding: 60px 0 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    
    .footer-section h3 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .product-card,
    .solution-card {
        padding: 24px 20px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 15px;
        min-width: 160px;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-section h3 {
        font-size: 22px;
    }
}