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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-top {
    background: #1a4b8c;
    padding: 8px 0;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info {
    color: #fff;
    font-size: 14px;
}

.contact-info i {
    margin-right: 5px;
}

.language-switch {
    display: flex;
    gap: 15px;
}

.language-switch a {
    color: #fff;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 5px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.language-switch a:hover,
.language-switch a.active {
    opacity: 1;
}

.language-switch img {
    width: 20px;
    height: 14px;
    object-fit: cover;
}

.header-main {
    padding: 15px 0;
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    font-size: 15px;
    font-weight: 500;
    color: #333;
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: #1a4b8c;
}

.nav-menu > li > a i {
    font-size: 10px;
}

/* Dropdown Menu */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #fff;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li a {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    color: #555;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s;
}

.dropdown li a:hover {
    background: #1a4b8c;
    color: #fff;
}

.dropdown li:last-child a {
    border-bottom: none;
}

.header-search {
    cursor: pointer;
    padding: 10px;
}

.header-search img {
    width: 20px;
    height: 20px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: #333;
    transition: all 0.3s;
}

/* Banner Styles */
.banner {
    position: relative;
    height: 600px;
    margin-top: 110px;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.banner-slide.active {
    opacity: 1;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    color: #fff;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.banner-content h2 {
    font-size: 36px;
    font-weight: 300;
    margin-bottom: 10px;
}

.banner-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 15px;
}

.banner-content p {
    font-size: 20px;
    font-weight: 400;
}

.banner-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.banner-nav button {
    width: 50px;
    height: 50px;
    border: none;
    background: rgba(255,255,255,0.8);
    color: #333;
    font-size: 20px;
    cursor: pointer;
    pointer-events: auto;
    transition: all 0.3s;
}

.banner-nav button:hover {
    background: #1a4b8c;
    color: #fff;
}

.banner-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: background 0.3s;
}

.indicator.active {
    background: #fff;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header.left {
    text-align: left;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1a4b8c;
    margin-bottom: 15px;
}

.section-line {
    width: 60px;
    height: 3px;
    background: #1a4b8c;
    margin: 0 auto;
}

.section-header.left .section-line {
    margin: 0;
}

/* Products Section */
.products-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.product-image {
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
}

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

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

.product-info {
    padding: 20px;
    text-align: center;
}

.product-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #1a4b8c;
    font-size: 14px;
    font-weight: 500;
    transition: gap 0.3s;
}

.btn-more:hover {
    gap: 10px;
}

/* Advantages Section */
.advantages-section {
    padding: 80px 0;
    background: #fff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.advantage-card {
    text-align: center;
    padding: 20px;
    transition: transform 0.3s;
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-number {
    font-size: 48px;
    font-weight: 700;
    color: #1a4b8c;
    opacity: 0.3;
    margin-bottom: 15px;
}

.advantage-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
}

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

.advantage-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a4b8c;
    margin-bottom: 10px;
}

.advantage-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.about-images {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 15px;
}

.about-img-main {
    grid-row: span 2;
}

.about-img-main img,
.about-img-sub img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.about-img-sub {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.about-text {
    padding: 20px 0;
}

.about-intro {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

.btn-primary {
    background: #1a4b8c;
    color: #fff;
}

.btn-primary:hover {
    background: #153d72;
}

/* News Section */
.news-section {
    padding: 80px 0;
    background: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.news-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.news-image {
    height: 180px;
    overflow: hidden;
}

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

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

.news-content {
    padding: 20px;
}

.news-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #1a4b8c;
    font-size: 14px;
    font-weight: 500;
    transition: gap 0.3s;
}

.btn-link:hover {
    gap: 10px;
}

/* Footer Styles */
.footer {
    background: #1a4b8c;
    color: #fff;
    padding: 40px 0 0;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-nav ul {
    display: flex;
    gap: 30px;
}

.footer-nav a {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: #fff;
}

.footer-contact p {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin: 0;
    line-height: 1.6;
}

.footer-info {
    display: flex;
    flex-direction: column;
}

.footer-bottom a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: #fff;
}

.footer-support img {
    height: 30px;
    opacity: 0.7;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: #1a4b8c;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 18px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
}

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

.back-to-top:hover {
    background: #153d72;
    transform: translateY(-3px);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .products-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .header-top .container {
        flex-direction: column;
        gap: 10px;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    }

    .nav.active {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
        padding: 20px;
    }

    .nav-menu > li > a {
        padding: 15px 0;
        border-bottom: 1px solid #eee;
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
        padding-left: 20px;
    }

    .has-dropdown.active .dropdown {
        display: block;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .banner {
        height: 400px;
        margin-top: 130px;
    }

    .banner-content h1 {
        font-size: 36px;
    }

    .banner-content h2 {
        font-size: 24px;
    }

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

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

    .footer-main {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .about-images {
        grid-template-columns: 1fr;
    }

    .about-img-main {
        grid-row: auto;
    }

    .about-img-sub {
        flex-direction: row;
    }

    .section-header h2 {
        font-size: 28px;
    }
}

/* Page Banner */
.page-banner {
    background: linear-gradient(135deg, #1a4b8c 0%, #2d6bc4 100%);
    padding: 120px 0 60px;
    margin-top: 110px;
    color: #fff;
}

.page-banner .banner-content {
    position: static;
    transform: none;
    text-shadow: none;
    text-align: center;
    margin-bottom: 20px;
}

.page-banner .banner-content h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-banner .banner-content p {
    font-size: 18px;
    opacity: 0.9;
}

.breadcrumb {
    text-align: center;
    font-size: 14px;
}

.breadcrumb a {
    color: rgba(255,255,255,0.8);
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb span {
    margin: 0 8px;
    color: rgba(255,255,255,0.6);
}

/* Factory Gallery */
.factory-gallery {
    padding: 80px 0;
    background: #f8f9fa;
}

.gallery-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
}

.gallery-intro p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.gallery-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.5s;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 75, 140, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.gallery-overlay i {
    color: #fff;
    font-size: 32px;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* Certification Gallery - Full Image Display */
.certification-gallery .gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.certification-gallery .gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    background: #fff;
}

.certification-gallery .gallery-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.certification-gallery .gallery-item:hover img {
    transform: scale(1.05);
}

.certification-gallery .gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 75, 140, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.certification-gallery .gallery-overlay i {
    color: #fff;
    font-size: 32px;
}

.certification-gallery .gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: fixed;
    top: 20px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    z-index: 10001;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev,
.lightbox-next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    z-index: 10001;
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
    .lightbox-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 28px;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }
}

@media (max-width: 768px) {
    .certification-gallery .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .certification-gallery .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* Factory Stats Section */
.factory-stats-section {
    padding: 80px 0;
    background: #1a4b8c;
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-box {
    padding: 30px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-unit {
    font-size: 20px;
    font-weight: 400;
    opacity: 0.8;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.contact-info h2,
.contact-form h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    margin-bottom: 30px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    font-size: 15px;
    color: #555;
}

.contact-list li i {
    color: #1a4b8c;
    font-size: 18px;
    margin-top: 3px;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a4b8c;
}

/* News Listing */
.news-listing {
    padding: 80px 0;
    background: #f8f9fa;
}

/* FAQ Styles */
.faq-content {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.faq-question i {
    color: #1a4b8c;
    transition: transform 0.3s;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 25px 20px;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
}

.faq-cta {
    padding: 80px 0;
    background: #1a4b8c;
    color: #fff;
    text-align: center;
}

.faq-cta h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.faq-cta p {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Product Detail */
.product-detail {
    padding: 80px 0;
    background: #fff;
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.col-half {
    width: 100%;
}

.product-image-large img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.product-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a4b8c;
    margin-bottom: 20px;
}

.product-intro {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 30px;
}

.product-features,
.product-applications {
    margin-bottom: 25px;
}

.product-features h3,
.product-applications h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.product-features ul,
.product-applications ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-features li,
.product-applications li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: #555;
}

.product-features li i,
.product-applications li i {
    color: #1a4b8c;
}

.product-specs {
    padding: 80px 0;
    background: #f8f9fa;
}

.product-specs h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 40px;
}

.specs-table {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.spec-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    border-bottom: 1px solid #eee;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    background: #f8f9fa;
    padding: 15px 20px;
    font-weight: 600;
    color: #333;
}

.spec-value {
    padding: 15px 20px;
    color: #555;
}

.related-products {
    padding: 80px 0;
    background: #fff;
}

.related-products h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 40px;
}

/* Quick Links Box */
.quick-links {
    padding: 60px 0;
    background: #fff;
}

.quick-links h2 {
    font-size: 24px;
    font-weight: 600;
    color: #1a4b8c;
    margin-bottom: 30px;
    text-align: center;
}

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.quick-link-box {
    display: block;
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
}

.quick-link-box:hover {
    background: #1a4b8c;
    color: #fff;
    transform: translateY(-5px);
}

.quick-link-box i {
    font-size: 36px;
    color: #1a4b8c;
    margin-bottom: 15px;
    transition: color 0.3s;
}

.quick-link-box:hover i {
    color: #fff;
}

.quick-link-box h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.quick-link-box p {
    font-size: 14px;
    color: #666;
    transition: color 0.3s;
}

.quick-link-box:hover p {
    color: rgba(255,255,255,0.8);
}

/* Certifications */
.certifications {
    padding: 80px 0;
    background: #f8f9fa;
}

.certifications h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 50px;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.cert-item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.cert-item:hover {
    transform: translateY(-5px);
}

.cert-icon {
    width: 80px;
    height: 80px;
    background: #1a4b8c;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.cert-icon i {
    font-size: 36px;
    color: #fff;
}

.cert-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.cert-item p {
    font-size: 14px;
    color: #666;
}

/* Awards */
.awards {
    padding: 80px 0;
    background: #fff;
}

.awards h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 50px;
}

.awards-list {
    max-width: 800px;
    margin: 0 auto;
}

.award-item {
    display: flex;
    gap: 30px;
    padding: 30px 0;
    border-bottom: 1px solid #eee;
}

.award-item:last-child {
    border-bottom: none;
}

.award-year {
    font-size: 48px;
    font-weight: 700;
    color: #1a4b8c;
    opacity: 0.3;
    min-width: 120px;
}

.award-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.award-content p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

/* Quality Standards */
.quality-standards {
    padding: 80px 0;
    background: #f8f9fa;
}

.quality-standards h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 30px;
}

.standards-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.standards-content > p {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 40px;
}

.standards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.standard-item {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.standard-item i {
    font-size: 36px;
    color: #1a4b8c;
    margin-bottom: 15px;
}

.standard-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.standard-item p {
    font-size: 14px;
    color: #666;
}

/* Product Categories */
.products-overview {
    padding: 60px 0 30px;
    background: #f8f9fa;
}

.intro-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.intro-text h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    margin-bottom: 15px;
}

.intro-text p {
    font-size: 16px;
    color: #555;
    line-height: 1.7;
}

.product-categories {
    padding: 30px 0 80px;
    background: #f8f9fa;
}

.product-card-large {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-bottom: 30px;
    transition: transform 0.3s;
}

.product-card-large:hover {
    transform: translateY(-5px);
}

.product-card-large:nth-child(even) {
    direction: rtl;
}

.product-card-large:nth-child(even) > * {
    direction: ltr;
}

.product-card-large .product-image {
    height: 300px;
}

.product-card-large .product-info {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
}

.product-card-large .product-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.product-card-large .product-info p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Product Features Section */
.product-features-section {
    padding: 80px 0;
    background: #fff;
}

.product-features-section h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-box {
    text-align: center;
    padding: 30px;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s;
}

.feature-box:hover .feature-icon {
    background: #1a4b8c;
}

.feature-icon i {
    font-size: 32px;
    color: #1a4b8c;
    transition: color 0.3s;
}

.feature-box:hover .feature-icon i {
    color: #fff;
}

.feature-box h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.feature-box p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* Company Culture Section */
.company-culture {
    padding: 80px 0;
    background: #f8f9fa;
}

.company-culture h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 30px;
}

.culture-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.culture-content p {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
}

/* About Content Page */
.about-content-page {
    padding: 80px 0;
    background: #fff;
}

.about-content-page h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    margin-bottom: 20px;
}

.about-content-page p {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-content-page img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Company Features Section */
.company-features {
    padding: 80px 0;
    background: #f8f9fa;
}

.company-features h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 50px;
}

/* Company Gallery Section */
.company-gallery {
    padding: 80px 0;
    background: #fff;
}

.company-gallery h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 50px;
}

.company-gallery .gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.company-gallery .gallery-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.5s;
}

.company-gallery .gallery-item:hover img {
    transform: scale(1.1);
}

.company-gallery .gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    padding: 20px;
    color: #fff;
}

.company-gallery .gallery-overlay h4 {
    font-size: 18px;
    font-weight: 600;
}

/* Quick Links Section */
.quick-links-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.quick-links-section h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a4b8c;
    text-align: center;
    margin-bottom: 40px;
}

/* Responsive for new sections */
@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .product-card-large {
        grid-template-columns: 1fr;
    }

    .product-card-large:nth-child(even) {
        direction: ltr;
    }
}

@media (max-width: 768px) {
    .page-banner {
        padding: 100px 0 40px;
    }

    .page-banner .banner-content h1 {
        font-size: 28px;
    }

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

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

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

    .row {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .quick-links-grid {
        grid-template-columns: 1fr;
    }

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

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

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

    .award-item {
        flex-direction: column;
        gap: 15px;
    }

    .award-year {
        font-size: 36px;
    }

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

/* Product Catalog Grid */
.product-catalog {
    padding: 60px 0;
    background: #f8f8f8;
}

.product-catalog h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #1a1a2e;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.catalog-item {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.catalog-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.catalog-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: #f5f5f5;
}

.catalog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.catalog-item:hover .catalog-image img {
    transform: scale(1.05);
}

.catalog-info {
    padding: 12px;
    text-align: center;
}

.catalog-info h3 {
    font-size: 14px;
    margin-bottom: 10px;
    color: #333;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

/* News Detail Page */
.news-detail {
    padding: 60px 0;
}

.news-detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail-header {
    margin-bottom: 30px;
}

.news-detail-header h1 {
    font-size: 28px;
    color: #1a1a2e;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-meta {
    display: flex;
    gap: 20px;
    color: #888;
    font-size: 14px;
}

.news-meta i {
    margin-right: 5px;
}

.news-date {
    display: block;
    font-size: 13px;
    color: #888;
    margin-bottom: 6px;
}

.news-image-main {
    margin-bottom: 30px;
    border-radius: 4px;
    overflow: hidden;
}

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

.news-body p {
    margin-bottom: 18px;
    line-height: 1.8;
    color: #444;
}

.news-back {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* btn-outline */
.btn-outline {
    display: inline-block;
    padding: 10px 24px;
    border: 2px solid #c8a96e;
    color: #c8a96e;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-outline:hover {
    background: #c8a96e;
    color: #fff;
}

/* News empty state */
.news-empty {
    text-align: center;
    padding: 60px 20px;
    color: #888;
    font-size: 16px;
}

/* Certificates section on why-choose-us page */
.certificates-section {
    padding: 60px 0;
    background: #f8f8f8;
}

.certificates-section h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #1a1a2e;
}

/* Factory Visit Section */
.factory-visit-section {
    padding: 60px 0;
    background: #fff;
}

.factory-visit-section h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 30px;
    color: #1a1a2e;
}

.factory-visit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 10px;
}

.factory-visit-image {
    overflow: hidden;
    border-radius: 4px;
}

.factory-visit-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

.factory-visit-image:hover img {
    transform: scale(1.04);
}