/* Night Vision Tech - Main CSS File */

/* Import Google Fonts */
@import url('css/fonts.css');

/* CSS Variables */
:root {
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --accent-green: #00ff41;
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --border-gray: #333333;
    --font-primary: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-display: 'Orbitron', sans-serif;
    --transition: all 0.3s ease;
    --container-max: 1440px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--primary-black);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 4rem; letter-spacing: 0.05em; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

/* Container and Layout */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 3rem 0;
}

/* Contact Bar */
.contact-bar {
    background-color: var(--secondary-black);
    padding: 0.75rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    border-bottom: 1px solid var(--border-gray);
}

.contact-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    font-size: 0.9rem;
}

.contact-info a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info a:hover {
    color: var(--accent-green);
}

/* Navigation */
.navbar {
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 58px;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-gray);
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent-green);
    text-decoration: none;
}

.index-center{
	text-align: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: var(--accent-green);
}
.nav-links-product a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 1.75rem;
}

.nav-links-product a:hover {
    color: var(--accent-green);
}

.nav-links-producttag a {
    color: var(--accent-green);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 1.1rem;
}

.nav-links-producttag a:hover {
    color: var(--accent-green);
}

.inquiry-btn {
    background-color: var(--accent-green);
    color: var(--primary-black) !important;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600 !important;
}

.inquiry-btn:hover {
    background-color: #00cc33;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 65, 0.3);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-white);
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    margin-top: 117px;
    overflow: hidden;
}

.banner-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.5s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.banner-content {
    text-align: center;
    max-width: 800px;
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
}

.banner-content h1 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

.banner-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    background-color: var(--accent-green);
    color: var(--primary-black);
    padding: 1rem 2rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.cta-button:hover {
    background-color: #00cc33;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 65, 0.4);
}

/* Banner Controls */
.banner-controls {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 1rem 2rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.banner-nav-btn {
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--text-white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.banner-nav-btn:hover {
    background-color: var(--accent-green);
    color: var(--primary-black);
}

.banner-dots {
    display: flex;
    gap: 0.5rem;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.banner-dot.active {
    background-color: var(--accent-green);
}

/* Product Grid - 每行3个产品 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 固定3列布局 */
    gap: 2rem; /* 卡片间距，可根据需要调整 */
    margin-top: 2rem;
}

/* 响应式调整 - 平板设备每行2个 */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式调整 - 手机设备每行1个 */
@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}
/* 博客文章网格 - 每行3个 */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 固定3列布局 */
    gap: 2rem; /* 卡片间距 */
    margin-bottom: 3rem;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}
.product-card {
    background-color: var(--secondary-black);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-green);
    box-shadow: 0 10px 30px rgba(0, 255, 65, 0.1);
}

.product-card img {
    width: 100%;
    aspect-ratio: 1/1; /* 强制1:1正方形 */
    object-fit: cover; /* 保持图片比例并裁剪多余部分 */
    transition: var(--transition);
}

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

.product-card-content {
    padding: 1.5rem;
}

.product-card h3 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.product-card p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.product-price {
    color: var(--accent-green);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.view-details-btn {
    background-color: transparent;
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    font-weight: 500;
}

.view-details-btn:hover {
    background-color: var(--accent-green);
    color: var(--primary-black);
}

/* Product Detail Page */
.product-detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 1rem;
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-main-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 8px;
    cursor: zoom-in;
    background-color: var(--primary-black);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-main-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.product-thumbnails {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 0.5rem 0;
}

.product-thumbnail {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.product-thumbnail.active,
.product-thumbnail:hover {
    border-color: var(--accent-green);
}

.product-info h1 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

.product-info p {
    margin-bottom: 1.5rem;
}

.price-display {
    font-size: 2rem;
    color: var(--accent-green);
    font-weight: 700;
    margin-bottom: 2rem;
}

.specification-selector {
    width: 100%;
    padding: 1rem;
    background-color: var(--secondary-black);
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    color: var(--text-white);
    font-size: 1rem;
    margin-bottom: 2rem;
    cursor: pointer;
}

.specification-selector:focus {
    outline: none;
    border-color: var(--accent-green);
}

/* Contact Form */
.contact-form {
    background-color: var(--secondary-black);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-gray);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-white);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-black);
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    color: var(--text-white);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-green);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background-color: var(--accent-green);
    color: var(--primary-black);
    padding: 1rem 2rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    width: 100%;
}

.submit-btn:hover {
    background-color: #00cc33;
    transform: translateY(-2px);
}

/* Breadcrumb */
.breadcrumb {
    padding: 1rem 0;
    margin-top: 0;
    background-color: var(--secondary-black);
    border-bottom: 1px solid var(--border-gray);
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.breadcrumb-list li {
    color: var(--text-gray);
}

.breadcrumb-list a {
    color: var(--accent-green);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-list a:hover {
    text-decoration: underline;
}

/* Page Banner */
.page-banner {
    height: 600px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-top: 1px;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
}

.page-banner h1 {
    position: relative;
    z-index: 1;
    color: var(--text-white);
    text-align: center;
}

/* Footer */
.footer {
    background-color: var(--secondary-black);
    border-top: 1px solid var(--border-gray);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

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

.footer-section h4 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

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

.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
    line-height: 2;
}

.footer-section a:hover {
    color: var(--accent-green);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--border-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--accent-green);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-gray);
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Product Tabs */
.tab-btn {
    transition: var(--transition);
}

.tab-btn:hover {
    background-color: var(--secondary-black) !important;
    color: var(--text-white) !important;
}

.tab-content {
    animation: fadeIn 0.3s ease;
}

.tab-content h3 {
    color: var(--accent-green);
    margin-bottom: 1rem;
}

.tab-content h4 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.tab-content table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.tab-content th {
    background-color: var(--primary-black);
    color: var(--accent-green);
    font-weight: 600;
}

.tab-content th,
.tab-content td {
    padding: 1rem;
    text-align: left;
    border: 1px solid var(--border-gray);
}

.tab-content tr:nth-child(even) {
    background-color: var(--primary-black);
}

.tab-content ul {
    list-style: none;
    padding: 0;
}

.tab-content ul li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.tab-content ul li::before {
    content: '✓';
    color: var(--accent-green);
    position: absolute;
    left: 0;
}

/* Lightbox */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

.lightbox-content {
    position: relative;
    width: 80vw;
    height: 80vh;
    max-width: 1200px;
    max-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-black);
    border-radius: 12px;
    overflow: hidden;
}

.lightbox-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid var(--accent-green);
    color: var(--text-white);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.lightbox-close:hover {
    background: var(--accent-green);
    color: var(--primary-black);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid var(--accent-green);
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.lightbox-nav:hover {
    background: var(--accent-green);
    color: var(--primary-black);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

.lightbox-counter {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-white);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    z-index: 10;
    border: 1px solid var(--accent-green);
}

.lightbox-current {
    color: var(--accent-green);
    font-weight: 600;
}

/* Notifications */
.notification {
    position: fixed;
    top: 150px;
    right: 2rem;
    padding: 1rem 2rem;
    border-radius: 4px;
    color: var(--text-white);
    font-weight: 500;
    z-index: 1500;
    transform: translateX(100%);
    transition: var(--transition);
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    background-color: var(--accent-green);
    color: var(--primary-black);
}

.notification-error {
    background-color: #ff4444;
}

.notification-info {
    background-color: #4444ff;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Error States */
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #ff4444;
}

/* Responsive Design */
@media (max-width: 1440px) {
    .container {
        max-width: 1200px;
    }
    
    .product-detail-container {
        gap: 2rem;
    }
}

@media (max-width: 1200px) {
    .container {
        max-width: 992px;
    }
    
    h1 { font-size: 3.5rem; }
    h2 { font-size: 2.25rem; }
    
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 1024px) {
    .container {
        max-width: 768px;
        padding: 0 1rem;
    }
    
    h1 { font-size: 3rem; }
    h2 { font-size: 2rem; }
    
    .product-detail-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero-section {
        min-height: 90vh;
        margin-top: 116px;
    }
    
    .page-banner {
        height: 350px;
        margin-top: 116px;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .contact-info {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
        font-size: 0.8rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-section {
        min-height: 80vh;
        margin-top: 115px;
    }
    
    .page-banner {
        height: 300px;
        margin-top: 115px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .banner-content {
        margin: 0 1rem;
        padding: 1.5rem;
    }
    
    .banner-content h1 {
        font-size: 2rem;
    }
    
    .banner-controls {
        bottom: 1rem;
        gap: 0.5rem;
    }
    
    .banner-nav-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .product-thumbnails {
        gap: 0.5rem;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .product-thumbnail {
        width: 80px;
        height: 80px;
    }
    
    .product-main-image {
        height: 400px;
    }
    
    .product-detail-container {
        gap: 1.5rem;
    }
    
    .contact-form {
        max-width: 100%;
    }
    
    .page-banner h1 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .contact-info {
        font-size: 0.75rem;
        gap: 0.75rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .hero-section {
        min-height: 70vh;
        margin-top: 114px;
    }
    
    .page-banner {
        height: 250px;
        margin-top: 114px;
    }
    
    .banner-content {
        padding: 1rem;
    }
    
    .banner-content h1 {
        font-size: 1.75rem;
    }
    
    .banner-content p {
        font-size: 1rem;
    }
    
    .product-card {
        margin: 0 0.5rem;
    }
    
    .product-thumbnail {
        width: 70px;
        height: 70px;
    }
    
    .product-main-image {
        height: 300px;
    }
    
    .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .page-banner h1 {
        font-size: 1.75rem;
    }
    
    .breadcrumb-list {
        font-size: 0.9rem;
    }
}

@media (max-width: 375px) {
    .contact-info {
        flex-direction: column;
        gap: 0.5rem;
        font-size: 0.7rem;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.25rem; }
    
    .hero-section {
        min-height: 60vh;
        margin-top: 113px;
    }
    
    .page-banner {
        height: 200px;
        margin-top: 113px;
    }
    
    .banner-content h1 {
        font-size: 1.5rem;
    }
    
    .product-thumbnail {
        width: 60px;
        height: 60px;
    }
    
    .product-main-image {
        height: 250px;
    }
    
    .page-banner h1 {
        font-size: 1.5rem;
    }
}

/* Ultra-wide screens */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }
    
    .hero-section {
        min-height: 100vh;
    }
	
	
	/*以下是新添加的*/
	

.navbar .logo img {
    height: 90px;
    width: auto; /* 保持宽高比 */
}
/* 基础logo样式 - 替换原有定义 */
.site-logo {
    height: 80px;
    max-width: 100%;
    width: auto !important; /* 强制保持宽高比 */
    object-fit: contain; /* 确保图片完整显示 */
    transition: var(--transition);
}

/* 桌面端logo容器 - 替换原有定义 */
.navbar .logo {
    height: 80px;
    display: flex;
    align-items: center;
    overflow: hidden; /* 防止内容溢出 */
    max-width: 300px; /* 限制最大宽度 */
}

/* 桌面端默认尺寸 */
@media (min-width: 1025px) {
    .navbar .logo {
        height: 80px;
    }
}

/* 平板设备 - 替换原有定义 */
@media (max-width: 1024px) {
    .navbar .logo {
        height: 50px;
        max-width: 200px; /* 限制最大宽度 */
    }
}

/* 移动端设备 - 替换原有定义 */
@media (max-width: 768px) {
    .navbar .logo {
        height: 45px;
        max-width: 180px; /* 限制最大宽度 */
    }
}

/* 小屏手机 - 替换原有定义 */
@media (max-width: 576px) {
    .navbar .logo {
        height: 40px;
        max-width: 150px; /* 限制最大宽度 */
    }
}
/* 在现有的 .mobile-menu-toggle 样式后添加 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    z-index: 1010; /* 确保在菜单上方 */
}

/* 移动端菜单容器样式 */
.mobile-menu {
    position: fixed;
    top: 117px; /* 位于导航栏下方 */
    left: 0;
    right: 0;
    background-color: var(--secondary-black);
    border-bottom: 1px solid var(--border-gray);
    transform: translateY(-100%); /* 默认隐藏 */
    transition: transform 0.3s ease;
    z-index: 1005;
}

/* 菜单展开状态 */
.mobile-menu.active {
    transform: translateY(0);
}

/* 移动端菜单链接样式 */
.mobile-menu ul {
    list-style: none;
    padding: 1rem 0;
}

.mobile-menu li {
    margin: 0.5rem 0;
    text-align: center;
}

.mobile-menu a {
    display: block;
    padding: 0.75rem;
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
}

.mobile-menu a:hover {
    color: var(--accent-green);
}

.mobile-menu .inquiry-btn {
    display: inline-block;
    margin-top: 0.5rem;
}

/* 在响应式区域确保菜单按钮显示 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
}