/* ====================================
   Apple Design System - Premium UI
   ==================================== */

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Apple 风格色彩系统 */
    --primary-color: #007AFF;
    --primary-light: #5AC8FA;
    --primary-dark: #0055D4;

    --secondary-color: #5856D6;

    /* 背景色 */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F7;
    --bg-tertiary: #E8E8ED;

    /* 文字颜色 */
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #A1A1A6;

    /* 阴影系统 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);

    /* 圆角系统 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-2xl: 32px;

    /* 过渡动画 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础样式 */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 自定义滚动条 - Apple 风格 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 10px;
    border: 3px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Firefox 滚动条 */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--bg-tertiary) var(--bg-secondary);
}

/* 选中文本颜色 */
::selection {
    background-color: rgba(0, 122, 255, 0.2);
    color: var(--text-primary);
}

::-moz-selection {
    background-color: rgba(0, 122, 255, 0.2);
    color: var(--text-primary);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-weight: 400;
    letter-spacing: -0.011em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ====================================
   导航栏 - 磨砂玻璃效果
   ==================================== */
.navbar {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-left {
    display: flex;
    align-items: center;
}

.logo {
    height: 56px;
    width: auto;
}

.company-name {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-left: 16px;
    white-space: nowrap;
    letter-spacing: -0.018em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 400;
    font-size: 14px;
    transition: all var(--transition-fast);
    opacity: 0.8;
    letter-spacing: -0.01em;
}

.nav-menu a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.nav-menu a.active {
    opacity: 1;
    color: var(--primary-color);
    font-weight: 500;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 10px;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
    z-index: 1001;
}

.nav-toggle:hover {
    background-color: var(--bg-tertiary);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-base);
    border-radius: 2px;
    transform-origin: center;
}

/* 汉堡菜单打开动画 */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ====================================
   Hero Banner - 背景图片
   ==================================== */
.banner {
    background: url('../images/banner-home.jpg') center/cover no-repeat;
    color: var(--bg-primary);
    padding: 160px 0 140px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

.banner-content h1 {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.015em;
    line-height: 1.05;
}

.banner-content .subtitle {
    font-size: 24px;
    margin-bottom: 48px;
    opacity: 0.95;
    font-weight: 400;
    letter-spacing: -0.005em;
}

/* ====================================
   按钮样式 - Apple 风格
   ==================================== */
.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 980px;
    text-decoration: none;
    font-weight: 500;
    font-size: 17px;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    letter-spacing: -0.022em;
}

.btn-primary {
    background-color: var(--bg-primary);
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background-color: transparent;
    color: var(--bg-primary);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ====================================
   通用区块样式
   ==================================== */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.003em;
    line-height: 1.1;
}

.section-subtitle {
    text-align: center;
    font-size: 21px;
    color: var(--text-secondary);
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.text-center {
    text-align: center;
    margin-top: 50px;
}

/* ====================================
   产品系列概览 - 卡片设计
   ==================================== */
.products-overview {
    background-color: var(--bg-secondary);
}

.product-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.category-card {
    background-color: var(--bg-primary);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
    border-radius: var(--radius-lg);
}

.category-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
}

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

.category-card:hover::before {
    opacity: 1;
}

.category-card:hover::after {
    opacity: 1;
}

.category-icon {
    font-size: 56px;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
    transition: transform var(--transition-base);
}

.category-card:hover .category-icon {
    transform: scale(1.1);
}

.category-card h3 {
    font-size: 19px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
    position: relative;
    z-index: 2;
    transition: color var(--transition-fast);
}

.category-card:hover h3 {
    color: var(--bg-primary);
}

.category-card p {
    color: var(--text-secondary);
    font-size: 15px;
    position: relative;
    z-index: 2;
    transition: color var(--transition-fast);
}

.category-card:hover p {
    color: rgba(255, 255, 255, 0.9);
}

/* ====================================
   优势特点 - 精致排版
   ==================================== */
.features {
    background-color: var(--bg-primary);
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: left;
    padding: 40px 24px;
}

.feature-number {
    font-size: 64px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    line-height: 1;
    letter-spacing: -0.02em;
}

.feature-item h3 {
    font-size: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
}

/* ====================================
   应用领域 - 标签云
   ==================================== */
.applications {
    background-color: var(--bg-secondary);
}

.application-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.tag {
    background-color: var(--bg-primary);
    padding: 14px 28px;
    border-radius: 980px;
    font-size: 16px;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    transition: all var(--transition-base);
}

.tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background-color: var(--bg-primary);
    color: var(--primary-color);
}

/* ====================================
   联系方式预览
   ==================================== */
.contact-preview {
    background-color: var(--bg-primary);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 50px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    font-size: 48px;
}

.contact-details h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-details p {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

/* ====================================
   页脚
   ==================================== */
.footer {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 60px 0 40px;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.footer p {
    opacity: 0.6;
    font-size: 13px;
    font-weight: 400;
}

/* ====================================
   页面头部 - 背景图片
   ==================================== */
.page-header {
    background: url('../images/banner-products.jpg') center/cover no-repeat;
    color: var(--bg-primary);
    padding: 140px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 移除黑色遮罩层，让背景图片完全显示
.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    pointer-events: none;
}
*/

/* 公司简介页面背景 */
.about-page .page-header,
body:has(.about-content) .page-header {
    background: url('../images/banner-about.jpg') center/cover no-repeat;
}

/* 联系我们页面背景 */
.contact-page .page-header,
body:has(.contact-section) .page-header {
    background: url('../images/banner-contact.jpg') center/cover no-repeat;
}

.page-header h1 {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.003em;
    position: relative;
}

.page-header .subtitle {
    font-size: 21px;
    opacity: 0.95;
    font-weight: 400;
    position: relative;
}

/* ====================================
   产品中心页面
   ==================================== */
.products-page .products-section,
.home-page .products-section {
    background-color: var(--bg-secondary);
    padding: 60px 0 100px;
}

.products-layout {
    display: flex;
    gap: 40px;
    min-height: 600px;
    align-items: flex-start;
}

/* 左侧分类导航 */
.category-sidebar {
    width: 280px;
    flex-shrink: 0;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    position: sticky;
    top: 100px;
    box-shadow: var(--shadow-sm);
}

.category-sidebar h3 {
    font-size: 20px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.category-list {
    list-style: none;
}

.category-item {
    display: block;
    padding: 14px 18px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: 6px;
    transition: all var(--transition-fast);
    font-size: 15px;
    font-weight: 400;
}

.category-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.category-item.active {
    background-color: var(--primary-color);
    color: var(--bg-primary);
    font-weight: 500;
}

/* 右侧产品列表 */
.products-main {
    flex: 1;
}

/* 搜索框 */
.search-box {
    display: flex;
    gap: 12px;
    margin-bottom: 36px;
}

#searchInput {
    flex: 1;
    padding: 16px 24px;
    border: 1px solid var(--bg-tertiary);
    border-radius: 12px;
    font-size: 16px;
    transition: all var(--transition-fast);
    background-color: var(--bg-primary);
    font-family: inherit;
}

#searchInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

#searchInput::placeholder {
    color: var(--text-tertiary);
}

.search-btn {
    padding: 16px 28px;
    background-color: var(--primary-color);
    color: var(--bg-primary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 18px;
    transition: all var(--transition-fast);
}

.search-btn:hover {
    background-color: var(--primary-dark);
    transform: scale(1.02);
}

/* 产品网格 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.product-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
}

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

.product-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-slow);
    padding: 20px;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-info {
    padding: 20px;
}

.product-info h4 {
    font-size: 17px;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.product-info p {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
}

/* ====================================
   公司简介页面
   ==================================== */
.about-content {
    background-color: var(--bg-primary);
    padding: 80px 0 60px;
}

.about-card {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 60px 50px;
    border-radius: var(--radius-xl);
}

.about-title {
    font-size: 40px;
    margin-bottom: 40px;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.about-text {
    line-height: 1.9;
    margin-bottom: 40px;
    color: var(--text-primary);
    font-size: 18px;
}

.about-text p {
    margin-bottom: 24px;
    text-indent: 2em;
}

.section-subtitle {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--bg-tertiary);
    font-weight: 600;
    letter-spacing: -0.005em;
}

.about-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 50px;
}

/* 公司数据 */
.company-stats {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-primary);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.company-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 70% 100%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-number {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 18px;
    opacity: 0.95;
    font-weight: 500;
}

/* ====================================
   联系我们页面
   ==================================== */
.contact-section {
    background-color: var(--bg-primary);
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.contact-info-card,
.partners-card {
    background-color: var(--bg-secondary);
    padding: 50px;
    border-radius: var(--radius-xl);
}

.contact-title {
    font-size: 36px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.005em;
}

.contact-subtitle {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 18px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item-large {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 24px;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.contact-item-large:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact-item-large .contact-icon {
    font-size: 40px;
    flex-shrink: 0;
}

.contact-item-large .contact-details h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item-large .contact-details p {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.partners-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.partner-item {
    padding: 18px 24px;
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-base);
    letter-spacing: -0.005em;
}

.partner-item:hover {
    background-color: var(--bg-primary);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

/* 服务区域 */
.service-areas {
    background-color: var(--bg-secondary);
    padding-bottom: 80px;
}

.areas-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 50px;
}

.area-item {
    background-color: var(--bg-primary);
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.area-item h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.area-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
}

/* CTA 区域 */
.contact-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-primary);
    text-align: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.contact-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 0%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.contact-cta h2 {
    font-size: 48px;
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: -0.003em;
    position: relative;
}

.contact-cta p {
    font-size: 21px;
    opacity: 0.95;
    margin-bottom: 40px;
    font-weight: 400;
    position: relative;
}

/* ====================================
   响应式设计
   ==================================== */
@media (max-width: 1024px) {
    .products-layout {
        flex-direction: column;
    }

    .category-sidebar {
        width: 100%;
        position: static;
        margin-bottom: 30px;
    }

    .category-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .category-item {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 20px 24px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
        flex-direction: column;
        gap: 8px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu a {
        padding: 12px 0;
        font-size: 17px;
    }

    .banner {
        padding: 120px 0 100px;
    }

    .banner-content h1 {
        font-size: 42px;
    }

    .banner-content .subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 36px;
    }

    .section-subtitle {
        font-size: 18px;
    }

    .product-categories {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 16px;
    }

    .category-card {
        padding: 32px 24px;
    }

    .contact-info {
        flex-direction: column;
        gap: 30px;
    }

    .contact-item-large .contact-details p {
        font-size: 18px;
    }

    .about-cta {
        flex-direction: column;
        align-items: center;
    }

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

    .page-header h1 {
        font-size: 40px;
    }

    .page-header .subtitle {
        font-size: 18px;
    }

    .about-title {
        font-size: 32px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .banner {
        padding: 100px 0 80px;
    }

    .banner-content h1 {
        font-size: 32px;
    }

    .banner-content .subtitle {
        font-size: 16px;
    }

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

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 16px;
    }

    .product-image {
        height: 160px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 20px;
    }

    .feature-number {
        font-size: 48px;
    }

    .feature-item h3 {
        font-size: 20px;
    }

    .stat-number {
        font-size: 48px;
    }

    .contact-cta h2 {
        font-size: 32px;
    }
}