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

/* 产品中心栏目样式 */
.product-center-section {
    background-color: #efefef;
    padding: 80px 0;
}

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

.product-center-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.product-center-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.product-item {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    line-height: 1.4;
}

.product-desc {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.product-center-actions {
    text-align: center;
}

.view-more-btn {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: none;
}

.view-more-btn:hover {
    transform: translateY(-2px);
    background: #667eea;
    color: white;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.view-more-btn:active {
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .product-center-section {
        padding: 60px 0;
    }
    
    .product-center-container {
        padding: 0 15px;
    }
    
    .product-center-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(6, 1fr);
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .product-image {
        height: 180px;
    }
    
    .product-info {
        padding: 15px;
    }
    
    .product-name {
        font-size: 1.1rem;
    }
    
    .view-more-btn {
        padding: 12px 30px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .product-center-section {
        padding: 40px 0;
    }
    
    .product-center-title {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }
    
    .product-grid {
        gap: 15px;
        margin-bottom: 30px;
    }
    
    .product-image {
        height: 160px;
    }
    
    .product-info {
        padding: 12px;
    }
    
    .product-name {
        font-size: 1rem;
        margin-bottom: 6px;
    }
    
    .product-desc {
        font-size: 0.85rem;
    }
    
    .view-more-btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
}

/* 我们的优势板块样式 */
.advantages-section {
    background-color: #ffffff;
    padding: 80px 0;
    text-align: center;
}

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

.advantages-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 50px;
    position: relative;
}

.advantages-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.advantages-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.advantages-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantages-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .advantages-section {
        padding: 60px 0;
    }
    
    .advantages-container {
        padding: 0 15px;
    }
    
    .advantages-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .advantages-image {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .advantages-section {
        padding: 40px 0;
    }
    
    .advantages-title {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }
    
    .advantages-image {
        max-width: 95%;
        border-radius: 8px;
    }
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 0;
    background: transparent;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation Styles */
.nav-menu {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    padding: 10px 15px;
    border-radius: 25px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
    background: transparent;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.nav-link:hover::after,
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 15px;
    right: 15px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
}

/* Language Switch */
.language-switch {
    display: flex;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 25px;
    padding: 5px;
    margin-left: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.lang-btn {
    background: none;
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.lang-btn.active {
    background: rgba(102, 126, 234, 0.8);
    color: white;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
    text-shadow: none;
}

.lang-separator {
    color: rgba(255, 255, 255, 0.7);
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

/* Inner Page Header Overrides */
.inner-page .header {
    background: #ffffff;
    backdrop-filter: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid #eee;
}

.inner-page .nav-link {
    color: #333;
    text-shadow: none;
}

.inner-page .nav-link:hover,
.inner-page .nav-link.active {
    color: #667eea;
    background: transparent;
}

.inner-page .nav-link:hover::after,
.inner-page .nav-link.active::after {
    background: #667eea;
}

.inner-page .language-switch {
    background: #f7f7f7;
    border: 1px solid #e5e5e5;
}

.inner-page .lang-btn {
    color: #333;
    text-shadow: none;
}

.inner-page .lang-separator {
    color: #999;
}

.inner-page .mobile-menu-toggle span {
    background: #333;
}

/* Hero Carousel Styles */
.hero-carousel {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

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

/* Background image is now set via JS from data-bg; remove file-specific rules */

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
}

.slide-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 80px;
    box-sizing: border-box;
}

/* PC端优化 - 确保内容垂直居中 */
@media (min-width: 1024px) {
    .slide-content {
        padding-top: 0;
        padding-bottom: 0;
        min-height: calc(100vh - 80px);
        margin-top: 80px;
    }
}

/* Left Side Content */
.slide-left {
    flex: 1;
    max-width: 600px;
    color: white;
    padding-right: 40px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    line-height: 1.6;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 150px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Right Side Specifications */
.slide-right {
    flex: 0 0 320px;
    padding: 30px;
}

.specs-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.specs-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 25px;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.specs-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px 0;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.spec-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
    border-color: rgba(255, 255, 255, 0.3);
}

.spec-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.spec-info {
    flex: 1;
}

.spec-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.spec-value {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
}

/* Carousel Navigation */
.carousel-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    z-index: 3;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    transform: translateY(-50%);
}

.carousel-btn {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: white;
    transform: scale(1.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-menu.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 20px 0;
    }
    
    .nav-item {
        margin: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .nav-link {
        display: block;
        padding: 15px 30px;
        color: #333;
        text-shadow: none;
        border-radius: 0;
        position: relative;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background: transparent;
        color: #333;
    }
    
    .nav-link:hover::after,
    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 10px;
        left: 30px;
        right: 30px;
        height: 2px;
        background: #667eea;
        border-radius: 1px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle span {
        background: #fff;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .slide-content {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }
    
    .slide-left {
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .slide-right {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .carousel-nav {
        padding: 0 20px;
    }
    
    .carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .specs-container {
        padding: 20px;
    }
    
    .spec-item {
        padding: 12px;
    }
    
    .spec-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .btn {
        padding: 12px 25px;
        min-width: 120px;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.8s ease-in-out;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* About Us Section */
.about-section {
    padding: 80px 0;
    position: relative;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    height: 600px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.about-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.about-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 60px;
    z-index: 2;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.about-text {
    width: 100%;
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 30px;
    position: relative;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.about-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
    text-align: justify;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.about-features {
    display: flex;
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

.feature-item i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 10px;
    padding: 15px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-item span {
    font-weight: 600;
    color: #fff;
    font-size: 0.95rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Responsive Design for About Section */
@media (max-width: 768px) {
    .about-section {
        padding: 60px 20px;
    }
    
    .about-container {
        height: auto;
        min-height: 500px;
    }
    
    .about-content {
        position: relative;
        width: 100%;
        padding: 30px;
        min-height: 500px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(15px);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .about-background {
        background: #1d314d;
    }
    
    .about-background img {
        display: none;
    }
    
    .about-title {
        font-size: 2rem;
        margin-bottom: 20px;
    }
    
    .about-description {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    .about-features {
        flex-direction: column;
        gap: 20px;
        margin-top: 30px;
    }
    
    .feature-item {
        flex-direction: row;
        text-align: left;
        gap: 15px;
    }
    
    .feature-item i {
        font-size: 1.5rem;
        width: 50px;
        height: 50px;
        flex-shrink: 0;
    }
}

/* Home-specific About Section overrides */
.home-about-section .about-title {
    color: #fff;
    text-shadow: none;
}

.home-about-section .about-description {
    color: #fff;
}

/* 产品相册栏目 */
.models-section {
    background-color: #efefef;
    padding: 80px 0;
    position: relative;
}

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

.models-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 50px;
    position: relative;
}

.models-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.models-gallery {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
}

.models-wrapper {
    flex: 1;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.models-track {
    display: flex;
    transition: transform 0.5s ease;
    gap: 20px;
}

.model-item {
    flex: 0 0 calc(25% - 15px);
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.model-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.model-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.gallery-btn {
    width: 50px;
    height: 50px;
    border: 2px solid #667eea;
    border-radius: 50%;
    background: transparent;
    color: #667eea;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-btn:hover {
    transform: translateY(-2px);
    background: #667eea;
    color: white;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.gallery-btn:active {
    transform: translateY(0);
}

.gallery-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .models-section {
        padding: 60px 0;
    }
    
    .models-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .models-gallery {
        gap: 10px;
    }
    
    .model-item {
        flex: 0 0 calc(50% - 10px);
    }
    
    .gallery-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .models-container {
        padding: 0 15px;
    }
    
    .models-title {
        font-size: 1.8rem;
    }
    
    .model-item {
        flex: 0 0 calc(100% - 5px);
    }
    
    .models-gallery {
        gap: 5px;
    }
}

/* Footer Styles */
.footer {
    background-color: #2d2d2d;
    color: #ffffff;
    padding: 60px 0 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 40px;
}

/* Left Section - Company Info */
.footer-left {
    flex: 1;
    max-width: 350px;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 20px;
}

.contact-info {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.contact-item i {
    color: #667eea;
    width: 20px;
    margin-right: 12px;
    font-size: 1rem;
}

.social-share h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #ffffff;
}

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

.share-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #404040;
    border-radius: 50%;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.share-icon:hover {
    background-color: #667eea;
    transform: translateY(-2px);
}

/* Share icon image inside circular button */
.share-icon-img {
    width: 20px;
    height: 20px;
    display: block;
}

/* Center Section - Navigation */
.footer-center {
    flex: 1;
    max-width: 200px;
}

.footer-nav h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav-list li {
    margin-bottom: 12px;
}

.footer-nav-list a {
    color: #cccccc;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-nav-list a:hover {
    color: #667eea;
}

/* Right Section - About Us */
.footer-right {
    flex: 1;
    max-width: 350px;
}

.footer-about h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.about-desc {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.about-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.about-link-btn:hover {
    background-color: transparent;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.about-link-btn i {
    font-size: 0.8rem;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid #404040;
    padding: 25px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9rem;
    color: #999999;
    text-align: center;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-links a {
    color: #999999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #667eea;
}

.footer-links span {
    color: #666666;
}

/* Footer Responsive Design */
@media (max-width: 768px) {
    .footer {
        padding: 40px 0 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 30px;
    }

    .footer-left,
    .footer-center,
    .footer-right {
        max-width: 100%;
    }

    .company-name {
        font-size: 1.3rem;
    }

    .contact-item {
        font-size: 0.9rem;
    }

    .share-icons {
        justify-content: flex-start;
    }

    .footer-nav-list {
        display: flex;
        flex-wrap: wrap;
        gap: 15px 25px;
    }

    .footer-nav-list li {
        margin-bottom: 0;
    }

    .about-desc {
        font-size: 0.9rem;
    }

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

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 30px 0 0;
    }

    .footer-content {
        gap: 25px;
        margin-bottom: 25px;
    }

    .company-name {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }

    .contact-item {
        font-size: 0.85rem;
        margin-bottom: 10px;
    }

    .contact-item i {
        width: 18px;
        margin-right: 10px;
        font-size: 0.9rem;
    }

    .share-icon {
        width: 35px;
        height: 35px;
    }

    .footer-nav h4,
    .social-share h4,
    .footer-about h4 {
        font-size: 1rem;
        margin-bottom: 12px;
    }

    .footer-nav-list {
        gap: 12px 20px;
    }

    .footer-nav-list a {
        font-size: 0.9rem;
    }

    .about-desc {
        font-size: 0.85rem;
        line-height: 1.5;
        margin-bottom: 15px;
    }

    .about-link-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .footer-bottom {
        padding: 20px 0;
    }

    .footer-bottom-content {
        font-size: 0.8rem;
    }

    .footer-links {
        gap: 12px;
    }
}
/* About Page */
.breadcrumb-bar {
    background: #efefef;
    padding: 16px 0;
    /* Offset for fixed header to prevent overlap */
    margin-top: 80px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: #666;
}

.breadcrumb a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb a:hover {
    color: #667eea;
}

.breadcrumb-sep {
    color: #999;
}

.breadcrumb-current {
    color: #999;
}

.about-page {
    background: #ffffff;
}

.section-white {
    background: #ffffff;
    padding: 60px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-grid.reverse {
    grid-template-columns: 1fr 1.2fr;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.about-text p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 12px;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

/* Contact Page */
.contact-page {
    background: #ffffff;
}

.contact-intro .rich-text h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.contact-content {
    padding-top: 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: start;
}

.contact-card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid #eee;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    padding: 24px;
}

.contact-image {
    width: 100%;
    border-radius: 12px;
    display: block;
}

/* Image-only contact card: remove frame and rounded corners */
.contact-card.image-only {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
}

.contact-card.image-only .contact-image {
    border-radius: 0;
}

.contact-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-title i {
    color: #667eea;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    color: #555;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.contact-list i {
    color: #667eea;
    width: 20px;
}

.contact-social {
    display: flex;
    gap: 10px;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #404040;
    border-radius: 50%;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-btn:hover {
    background-color: #667eea;
    transform: translateY(-2px);
}

.contact-form {
    display: block;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

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

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.95rem;
    color: #444;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    padding: 12px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    color: #333;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.contact-form .btn {
    margin-top: 8px;
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Gallery Page */
.gallery-page {
  background: #ffffff;
}

.gallery-section.section-white {
  background: #fff;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.gallery-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #f7fafc;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.gallery-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.12);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.pagination .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  min-width: 36px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  color: #2d3748;
  background: #fff;
  text-decoration: none;
  transition: all 0.2s ease;
}

.pagination .page-link:hover {
  color: #667eea;
  border-color: #cbd5e0;
}

.pagination .page-link.active {
  color: #fff;
  background: #667eea;
  border-color: #667eea;
}

/* Gallery Responsive */
@media (max-width: 1200px) {
  .gallery-item img { height: 160px; }
}

@media (max-width: 992px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-item img { height: 150px; }
}

@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item img { height: 140px; }
}

@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-item img { height: 200px; }
}

/* Products Page (独立于首页产品中心，使用4列布局) */
.products-page {
  background: #ffffff;
}

.products-section.section-white {
  background: #fff;
}

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

@media (max-width: 992px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}

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

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

/* Make whole product card clickable without visual changes */
.product-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.product-card-link:hover {
  text-decoration: none;
}

/* Product Detail Page */
.product-detail-page {
  background: #ffffff;
}

.product-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

.product-image-large {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.product-title {
  font-size: 2rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 12px;
}

.product-price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.product-price {
  font-size: 1.6rem;
  font-weight: 700;
  color: #667eea;
}

.product-tax {
  font-size: 0.95rem;
  color: #777;
}

.product-specs {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}

.product-specs li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f7fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px 12px;
}

.spec-name {
  color: #555;
}

.spec-value {
  font-weight: 600;
}

/* Product Detail: spec-value color override */
.product-detail-page .spec-value {
  color: #000;
}

.product-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}

.action-btn i { font-size: 0.95rem; }

.action-btn.primary {
  background: #667eea;
  color: #fff;
  border-color: #667eea;
}
.action-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.action-btn.secondary {
  background: #fff;
  color: #667eea;
  border-color: #667eea;
}
.action-btn.secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

@media (max-width: 992px) {
  .product-hero-grid { grid-template-columns: 1fr; }
  .product-image-large { height: 360px; }
}

@media (max-width: 768px) {
  .product-image-large { height: 300px; }
  .product-specs { grid-template-columns: 1fr; }
}

/* Order Modal */
.order-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.24s ease, visibility 0.24s ease;
  z-index: 1000;
}

.order-modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.order-dialog {
  position: relative;
  background: #fff;
  width: 100%;
  max-width: 680px;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  padding: 24px;
  transform: scale(0.98);
  transition: transform 0.24s ease;
}

.order-modal.open .order-dialog { transform: scale(1); }

.order-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.85);
  color: #2d3748;
  font-size: 20px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  transition: all 0.2s ease;
}
.order-close:hover { transform: translateY(-1px); }

.order-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 16px;
}

.order-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

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

.order-form .form-group.full { grid-column: 1 / -1; }

.order-form label {
  font-size: 0.95rem;
  color: #444;
  margin-bottom: 8px;
}

.order-form input,
.order-form textarea {
  padding: 12px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.95rem;
  color: #333;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.order-form input:focus,
.order-form textarea:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.order-form-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .order-form .form-row { grid-template-columns: 1fr; }
}

/* Lightbox (Gallery Image Modal) */

/* 过渡与鼠标样式优化 */
.gallery-item img {
  cursor: pointer; /* 鼠标小手 */
}

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8); /* 黑色半透明蒙版 */
  display: flex; /* 始终占位，配合可见性与透明度过渡 */
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 40px; /* 防止图片贴边 */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease;
  cursor: pointer; /* 鼠标小手，提示点击可关闭 */
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* 关闭过渡状态：保持可见以完成淡出 */
.lightbox.closing {
  opacity: 0;
  visibility: visible;
  pointer-events: none;
}

.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  transform: scale(0.98);
  transition: transform 0.25s ease; /* 图片缩放过渡 */
}

.lightbox.open .lightbox-image {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  color: #333;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

.lightbox-close:hover {
  background: #fff;
}

.lightbox-close i {
  font-size: 1rem;
}

/* 导航按钮（上一张/下一张） */
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  color: #333;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

.lightbox-nav:hover { background: #fff; }
.lightbox-nav i { font-size: 1rem; }
.lightbox-nav.prev { left: 20px; }
.lightbox-nav.next { right: 20px; }

/* Rich Text Content */
.rich-text {
    color: #555;
    line-height: 1.8;
}

.rich-text h1, .rich-text h2, .rich-text h3, .rich-text h4, .rich-text h5, .rich-text h6 {
    color: #333;
    margin: 0 0 12px;
    font-weight: 700;
}

.rich-text h2 { font-size: 2rem; }
.rich-text h3 { font-size: 1.5rem; }

.rich-text p {
    margin-bottom: 12px;
}

.rich-text a {
    color: #667eea;
    text-decoration: none;
    border-bottom: 1px dotted rgba(102, 126, 234, 0.5);
}

.rich-text a:hover {
    color: #4b5fd1;
    border-bottom-color: #4b5fd1;
}

.rich-text ul, .rich-text ol {
    margin: 10px 0 12px 20px;
}

.rich-text li {
    margin-bottom: 6px;
}

.rich-text blockquote {
    margin: 16px 0;
    padding: 12px 16px;
    background: #f7f7f7;
    border-left: 4px solid #667eea;
    color: #444;
}

.rich-text img, .rich-text figure img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.rich-text figure {
    margin: 16px 0;
    text-align: center;
}

.rich-text figcaption {
    font-size: 0.9rem;
    color: #777;
    margin-top: 8px;
}

@media (max-width: 992px) {
    .about-grid,
    .about-grid.reverse {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section-white {
        padding: 40px 0;
    }
    .about-text h2 {
        font-size: 1.6rem;
    }
}