/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调：深蓝到紫色渐变 */
    --primary-color: #1e3a8a;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #7c3aed;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.nav-brand:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.2rem;
}

.brand-name {
    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;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* 英雄区块 */
.hero {
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9), rgba(124, 58, 237, 0.9));
    opacity: 0.95;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    color: white;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.hero-image {
    position: relative;
}

.hero-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.hero-card:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0) scale(1.05);
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #fb923c);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-block {
    width: 100%;
    text-align: center;
}

/* 通用区块样式 */
.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

/* 介绍区块 */
.intro-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.intro-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.intro-card:hover {
    transform: translateY(-10px);
}

.intro-card img {
    width: 100%;
    height: auto;
    display: block;
}

.intro-text {
    padding: 1rem 0;
}

.intro-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* 产品区块 */
.products-section {
    padding: 100px 0;
}

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

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-content {
    padding: 2rem;
}

.product-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.product-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.product-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.product-link:hover {
    color: var(--secondary-color);
}

/* 新闻区块 */
.news-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.news-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.news-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-content {
    padding: 2rem;
}

.news-date {
    display: inline-block;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.news-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.4;
}

.news-excerpt {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.news-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: var(--secondary-color);
}

/* 数据统计 */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    color: white;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-brand .logo-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

.footer-brand .brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

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

.footer-contact li {
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* 页面标题 */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    text-align: center;
    color: white;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* 产品列表页 */
.filter-section {
    padding: 40px 0;
    background: var(--bg-light);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: transparent;
}

.products-list-section {
    padding: 60px 0;
}

.product-category {
    margin-bottom: 80px;
}

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

.category-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.category-description {
    font-size: 1.125rem;
    color: var(--text-light);
}

.products-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-item-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.product-item-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.product-item-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.product-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-item-card:hover .product-item-image img {
    transform: scale(1.1);
}

.product-item-content {
    padding: 2rem;
}

.product-item-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.product-item-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.product-item-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-item-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.product-item-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
}

.product-item-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    width: 100%;
}

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

/* 关于我们页 */
.about-intro-section {
    padding: 80px 0;
}

.about-intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-intro-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-intro-card img {
    width: 100%;
    height: auto;
    display: block;
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.history-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.history-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 75px;
    top: 0;
    bottom: -4rem;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-year {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: right;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.timeline-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.timeline-image {
    border-radius: 10px;
    overflow: hidden;
}

.timeline-image img {
    width: 100%;
    height: auto;
    display: block;
}

.culture-section {
    padding: 80px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.culture-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.culture-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.culture-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.culture-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.culture-description {
    color: var(--text-light);
    line-height: 1.7;
}

.team-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.team-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.team-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-card:hover .team-image img {
    transform: scale(1.1);
}

.team-content {
    padding: 2rem;
    text-align: center;
}

.team-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.team-position {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-intro {
    color: var(--text-light);
    line-height: 1.7;
}

.honor-section {
    padding: 80px 0;
}

.honor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.honor-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.honor-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.honor-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.honor-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.honor-description {
    color: var(--text-light);
    line-height: 1.7;
}

/* 联系我们页 */
.contact-section {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form-wrapper {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact-form-header {
    margin-bottom: 2rem;
}

.contact-form-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-form-subtitle {
    color: var(--text-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.required {
    color: #ef4444;
}

.form-input,
.form-textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-textarea {
    resize: vertical;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    display: block;
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info-header {
    margin-bottom: 1rem;
}

.contact-info-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-info-subtitle {
    color: var(--text-light);
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.contact-info-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-info-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.contact-info-card-content {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-info-card-desc {
    color: var(--text-light);
    font-size: 0.875rem;
}

.contact-map {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-placeholder {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.map-placeholder p {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 1rem;
    text-align: center;
    margin: 0;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }

/* 响应式设计 */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .intro-content,
    .about-intro-content {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .products-grid,
    .news-grid,
    .products-row {
        grid-template-columns: 1fr;
    }

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

    .timeline-item {
        grid-template-columns: 1fr;
    }

    .timeline-item::before {
        display: none;
    }

    .timeline-year {
        text-align: left;
        margin-bottom: 1rem;
    }

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

    .stat-number {
        font-size: 2.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

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

    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }
}