* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e3a5f;
    --secondary-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d5a87 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 1;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 64px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-title .highlight {
    color: var(--secondary-color);
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-full {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 0; top: 8px; }
    50% { opacity: 1; top: 20px; }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.fade-in-delay-1 {
    animation: fadeIn 0.8s ease 0.3s forwards;
    opacity: 0;
}

.fade-in-delay-2 {
    animation: fadeIn 0.8s ease 0.6s forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 200px;
    overflow: hidden;
    background: var(--bg-light);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-content {
    padding: 24px;
}

.product-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.product-content p {
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.6;
}

.product-price {
    font-size: 20px;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.case-card {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.case-image {
    height: 250px;
    position: relative;
    overflow: hidden;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 95, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-overlay span {
    color: var(--white);
    font-weight: 600;
    font-size: 18px;
}

.case-content {
    padding: 24px;
    background: var(--white);
}

.case-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.case-content p {
    color: var(--text-light);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-description {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 40px;
}

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

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-light);
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
}

.image-placeholder svg {
    width: 100%;
    height: auto;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

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

.info-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.info-icon svg {
    width: 24px;
    height: 24px;
}

.info-text h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

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

.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
}

.form-group {
    margin-bottom: 24px;
}

.form-input {
    width: 100%;
    padding: 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Noto Sans SC', sans-serif;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-textarea {
    resize: vertical;
}

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

.company-gallery {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-main {
    height: 400px;
}

.gallery-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.gallery-grid .gallery-item {
    height: calc(50% - 10px);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.6);
    color: var(--white);
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 500;
}

.company-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.info-card {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.info-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.info-card h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.info-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.articles {
    background: var(--white);
}

.articles-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 30px;
}

.article-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-decoration: none;
    display: block;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.article-card.featured {
    grid-column: span 1;
}

.article-card.featured .article-image {
    height: 280px;
}

.article-image {
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.article-content {
    padding: 24px;
}

.article-category {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 12px;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-date {
    color: var(--text-light);
    font-size: 14px;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--secondary-color);
}

.article-page {
    padding-top: 120px;
    padding-bottom: 60px;
    background: var(--bg-light);
    min-height: 100vh;
}

.article-detail {
    background: var(--white);
    border-radius: 16px;
    padding: 60px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 60px;
}

.article-header {
    text-align: center;
    margin-bottom: 40px;
}

.article-header .article-category {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
}

.article-title {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.3;
}

.article-header .article-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: var(--text-light);
    font-size: 14px;
}

.article-header .article-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-featured-image {
    margin-bottom: 40px;
    border-radius: 12px;
    overflow: hidden;
}

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

.article-body {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-dark);
}

.article-body h2 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    color: var(--primary-color);
    margin-top: 40px;
    margin-bottom: 20px;
}

.article-body p {
    margin-bottom: 20px;
}

.article-body strong {
    color: var(--primary-color);
    font-weight: 600;
}

.article-tags {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e5e7eb;
}

.tag-label {
    font-weight: 600;
    color: var(--primary-color);
}

.tag {
    background: var(--bg-light);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #e5e7eb;
}

.share-label {
    font-weight: 600;
    color: var(--primary-color);
}

.share-buttons {
    display: flex;
    gap: 12px;
}

.share-btn {
    padding: 8px 20px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

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

.article-nav {
    margin-top: 40px;
}

.back-to-list {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.back-to-list:hover {
    color: var(--secondary-color);
}

.related-articles {
    padding: 60px 0;
    background: var(--white);
}

.related-title {
    font-family: 'Playfair Display', serif;
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.related-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    text-decoration: none;
    transition: var(--transition);
    display: block;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.related-image {
    height: 200px;
    overflow: hidden;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.related-content {
    padding: 20px;
}

.related-category {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 12px;
}

.related-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.4;
}

.related-date {
    color: var(--text-light);
    font-size: 14px;
}

.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    margin-bottom: 16px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 12px;
    opacity: 0.8;
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

@media (max-width: 968px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

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

    .hamburger {
        display: flex;
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-title {
        font-size: 42px;
    }

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

    .about-content,
    .contact-content,
    .footer-content,
    .company-gallery,
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .gallery-main {
        height: 250px;
    }

    .gallery-grid .gallery-item {
        height: 200px;
    }

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

    .article-detail {
        padding: 30px 20px;
    }

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

    .article-body {
        font-size: 16px;
    }

    .article-body h2 {
        font-size: 24px;
    }

    .article-header .article-meta {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 32px;
    }

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

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

    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 36px;
    }
}