/* 页面头部 - 重新设计 */
.page-header {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 70px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-image: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

/* 背景图片层 */
.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    background-attachment: scroll;
    transform: scale(1.1);
    transition: transform 0.5s ease;
}

.page-header:hover::before {
    transform: scale(1.15);
}

/* 多层渐变遮罩 */
.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(139, 69, 19, 0.85) 0%, 
        rgba(160, 82, 45, 0.75) 50%, 
        rgba(205, 133, 63, 0.65) 100%);
    z-index: 1;
}

/* 装饰性几何图形 */
.page-header::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-20px, -20px) rotate(180deg); }
}

/* 添加装饰性图案 */
.page-header .container::before {
    content: '';
    position: absolute;
    left: 5%;
    bottom: 10%;
    width: 150px;
    height: 150px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.2)" stroke-width="2"/><circle cx="50" cy="50" r="30" fill="none" stroke="rgba(255,255,255,0.15)" stroke-width="2"/><circle cx="50" cy="50" r="20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>') no-repeat center;
    background-size: contain;
    opacity: 0.5;
    animation: rotate 20s linear infinite;
    z-index: 2;
}

.page-header .container::after {
    content: '';
    position: absolute;
    right: 8%;
    top: 15%;
    width: 100px;
    height: 100px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect x="20" y="20" width="60" height="60" fill="none" stroke="rgba(255,255,255,0.2)" stroke-width="2" transform="rotate(45 50 50)"/><rect x="30" y="30" width="40" height="40" fill="none" stroke="rgba(255,255,255,0.15)" stroke-width="2" transform="rotate(45 50 50)"/></svg>') no-repeat center;
    background-size: contain;
    opacity: 0.4;
    animation: rotate 15s linear infinite reverse;
    z-index: 2;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.page-header .container {
    position: relative;
    z-index: 3;
}

/* 标题样式增强 */
.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease;
    position: relative;
    display: inline-block;
}

.page-header h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #fff, transparent);
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.page-header p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

/* 面包屑导航样式增强 */
.breadcrumb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.breadcrumb a:hover {
    color: #ffd700;
    transform: translateY(-2px);
}

.breadcrumb span {
    opacity: 0.7;
}

/* 产品页面样式 */
.product-section {
    padding: 5rem 0;
}

.product-section.alternate {
    background: var(--light-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.product-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

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

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

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.product-info {
    padding: 2rem;
}

.product-info h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.product-features span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
}

.product-features i {
    color: var(--primary-color);
}

.product-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.product-btn:hover {
    background: var(--dark-color);
    transform: translateY(-2px);
}

.product-advantages {
    background: var(--light-color);
    padding: 5rem 0;
}

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

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

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    opacity: 0.2;
    margin-bottom: 1rem;
}

.advantage-item h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

/* 关于我们页面样式 */
.company-intro {
    padding: 5rem 0;
}

.intro-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.intro-highlight {
    font-size: 1.3rem;
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

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

.intro-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.company-culture {
    background: var(--light-color);
    padding: 5rem 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.culture-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.culture-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.culture-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.company-timeline {
    padding: 5rem 0;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(even) .timeline-year {
    order: 2;
}

.timeline-item:nth-child(even) .timeline-content {
    order: 1;
    text-align: right;
}

.timeline-year {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    position: relative;
}

.timeline-year::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 4px solid white;
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--primary-color);
}

.timeline-item:nth-child(odd) .timeline-year::after {
    right: -2rem;
}

.timeline-item:nth-child(even) .timeline-year::after {
    left: -2rem;
}

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

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.company-honors {
    background: var(--light-color);
    padding: 5rem 0;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.honor-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.honor-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.honor-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.honor-item h4 {
    font-size: 1.2rem;
    color: var(--text-color);
}

.company-team {
    padding: 5rem 0;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.team-stat {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.team-stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.team-stat .stat-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.team-stat .stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.team-stat .stat-label {
    font-size: 1.1rem;
    color: var(--text-light);
}

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

.team-description p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.1rem;
}

/* 生产工艺页面样式 */
.production-base {
    padding: 5rem 0;
}

.base-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.base-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.base-info h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.base-info > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.base-features {
    display: grid;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.feature-item h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

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

.production-process {
    background: var(--light-color);
    padding: 5rem 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.process-step {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.process-step:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -1rem;
    right: 1rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.process-step h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.process-features {
    padding: 5rem 0;
}

.features-grid {
    display: grid;
    gap: 3rem;
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    align-items: center;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.feature-card:nth-child(even) {
    grid-template-columns: 1.5fr 1fr;
}

.feature-card:nth-child(even) img {
    order: 2;
}

.feature-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.feature-content {
    padding: 2rem;
}

.feature-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.quality-control {
    background: var(--light-color);
    padding: 5rem 0;
}

.quality-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: center;
}

.quality-text h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.quality-text > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.quality-list {
    list-style: none;
}

.quality-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    color: var(--text-color);
}

.quality-list i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.quality-stats {
    display: grid;
    gap: 2rem;
}

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

.stat-circle {
    width: 150px;
    height: 150px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: white;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-color);
}

.technology-innovation {
    padding: 5rem 0;
}

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

.innovation-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.innovation-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.innovation-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.innovation-item h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

/* 工程案例页面样式 */
.cases-filter {
    padding: 3rem 0;
    background: var(--light-color);
}

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

.filter-btn {
    padding: 0.75rem 2rem;
    background: white;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.cases-showcase {
    padding: 5rem 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.case-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

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

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

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 1.5rem;
    color: white;
}

.case-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.case-overlay p {
    font-size: 1rem;
}

.case-info {
    padding: 2rem;
}

.case-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--light-color);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
}

.case-info h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.case-info > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.case-details {
    display: flex;
    gap: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.detail-item i {
    color: var(--primary-color);
}

.customer-reviews {
    background: var(--light-color);
    padding: 5rem 0;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

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

.review-stars {
    color: #FFD700;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.review-text {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.review-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.review-author strong {
    color: var(--text-color);
}

.review-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 联系我们页面样式 */
.contact-info-section {
    padding: 5rem 0;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.contact-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card p {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.contact-card a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: var(--primary-color);
}

.contact-detail {
    color: var(--text-light);
    font-size: 0.9rem;
}

.contact-form-section {
    background: var(--light-color);
    padding: 5rem 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.form-wrapper {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.contact-form {
    margin-top: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

.contact-image {
    position: relative;
}

.contact-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.contact-tips {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

.contact-tips h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-tips ul {
    list-style: none;
}

.contact-tips li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    color: var(--text-color);
}

.contact-tips i {
    color: var(--primary-color);
}

.map-section {
    padding: 5rem 0;
}

.map-container {
    margin-top: 2rem;
}

.map-placeholder {
    background: var(--light-color);
    padding: 5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
}

.map-placeholder i {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.map-placeholder p {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.map-note {
    color: var(--text-light);
    font-size: 1rem;
}

.service-promise {
    background: var(--light-color);
    padding: 5rem 0;
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.promise-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.promise-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.promise-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.promise-item h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }

    .intro-content,
    .base-content,
    .quality-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 0;
    }

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

    .timeline-item:nth-child(even) .timeline-year,
    .timeline-item:nth-child(even) .timeline-content {
        order: initial;
    }

    .timeline-item:nth-child(even) .timeline-content {
        text-align: left;
    }

    .timeline-year::after {
        left: -0.5rem !important;
    }

    .feature-card,
    .feature-card:nth-child(even) {
        grid-template-columns: 1fr;
    }

    .feature-card:nth-child(even) img {
        order: initial;
    }

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



/* 产品系列总览样式 */
.products-overview {
    padding: 5rem 0;
    background: linear-gradient(to bottom, #fff, #f8f9fa);
}

.series-overview-grid {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

.series-overview-card {
    display: grid;
    grid-template-columns: 45% 55%;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.series-overview-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.series-overview-image {
    position: relative;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
}

.series-overview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.series-overview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.6), rgba(205, 133, 63, 0.4));
}

.series-overview-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.series-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 20px rgba(139, 69, 19, 0.3);
}

.series-icon i {
    font-size: 2.5rem;
    color: white;
}

.series-overview-content h3 {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    color: var(--dark-color);
}

.series-desc {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.series-detail {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.series-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.series-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    font-size: 0.95rem;
}

.series-features li i {
    color: var(--primary-color);
    font-size: 1rem;
}

.series-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    align-self: flex-start;
    box-shadow: 0 5px 15px rgba(139, 69, 19, 0.3);
}

.series-btn:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(139, 69, 19, 0.4);
    gap: 1rem;
}

.series-btn i {
    transition: transform 0.3s ease;
}

.series-btn:hover i {
    transform: translateX(5px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .series-overview-card {
        grid-template-columns: 1fr;
    }
    
    .series-overview-image {
        min-height: 300px;
    }
    
    .series-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .series-overview-content {
        padding: 2rem;
    }
    
    .series-icon {
        width: 60px;
        height: 60px;
    }
    
    .series-icon i {
        font-size: 2rem;
    }
    
    .series-overview-content h3 {
        font-size: 1.5rem;
    }
    
    .series-overview-image {
        min-height: 250px;
    }
}

/* ===== 产品系列详情页样式 ===== */

/* 系列介绍 */
.product-intro {
    padding: 5rem 0;
    background: white;
}

.intro-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.intro-content > p {
    color: var(--text-light);
    line-height: 2;
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.intro-features .feature-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-color);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.intro-features .feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.intro-features .feature-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.intro-features .feature-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.intro-features .feature-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 产品特点区域 */
.product-features-section {
    padding: 5rem 0;
    background: var(--light-color);
}

.features-list {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.features-list .feature-card {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 2rem;
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.features-list .feature-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.features-list .feature-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.features-list .feature-icon i {
    font-size: 2.5rem;
    color: white;
}

.features-list .feature-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.features-list .feature-content p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 应用场景 */
.application-scenarios {
    padding: 5rem 0;
    background: white;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.scenario-card {
    text-align: center;
    padding: 2.5rem;
    background: var(--light-color);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.scenario-card:hover {
    background: white;
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.scenario-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.scenario-icon i {
    font-size: 2rem;
    color: white;
}

.scenario-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--dark-color);
}

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

/* 设计风格 */
.design-styles {
    padding: 5rem 0;
    background: var(--light-color);
}

.styles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.style-card {
    text-align: center;
    padding: 2.5rem;
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.style-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.style-icon {
    width: 70px;
    height: 70px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.style-card:hover .style-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.style-icon i {
    font-size: 2rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.style-card:hover .style-icon i {
    color: white;
}

.style-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--dark-color);
}

.style-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 相关系列推荐 */
.related-series {
    padding: 5rem 0;
    background: white;
}

.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.series-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.series-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.series-image {
    position: relative;
    height: 350px;
    overflow: hidden;
}

.series-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.series-card:hover .series-image img {
    transform: scale(1.15);
}

.series-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    color: white;
}

.series-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.series-overlay p {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.series-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: gap 0.3s ease;
}

.series-link:hover {
    gap: 1rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .features-list .feature-card {
        grid-template-columns: 80px 1fr;
        gap: 1.5rem;
    }
    
    .features-list .feature-icon {
        width: 80px;
        height: 80px;
    }
    
    .features-list .feature-icon i {
        font-size: 2rem;
    }
    
    .series-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .intro-features {
        grid-template-columns: 1fr;
    }
    
    .features-list .feature-card {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 2rem;
    }
    
    .features-list .feature-icon {
        margin: 0 auto 1rem;
    }
    
    .features-list .feature-content {
        text-align: center;
    }
    
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    
    .styles-grid {
        grid-template-columns: 1fr;
    }
    
    .series-image {
        height: 250px;
    }
}

/* ===== 新闻详情页样式 ===== */

.news-detail {
    padding: 5rem 0;
    background: #f8f9fa;
}

.news-detail .container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
    max-width: 1400px;
}

/* 文章主体 */
.news-article {
    background: white;
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.article-header {
    border-bottom: 2px solid var(--light-color);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.article-category {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.article-category.company {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.article-category.industry {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.article-category.product {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.article-header h1 {
    font-size: 2.5rem;
    line-height: 1.4;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.article-meta {
    display: flex;
    gap: 2rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-meta i {
    color: var(--primary-color);
}

.article-image {
    width: 100%;
    height: 450px;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 2rem;
}

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

.article-content {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-color);
}

.article-content .lead {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-light);
    font-weight: 300;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-color);
    border-left: 4px solid var(--primary-color);
    border-radius: 5px;
}

.article-content h2 {
    font-size: 1.8rem;
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-color);
}

.article-content h3 {
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content ul, .article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.8rem;
    line-height: 1.8;
}

.article-content blockquote {
    margin: 2rem 0;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.05), rgba(205, 133, 63, 0.05));
    border-left: 4px solid var(--primary-color);
    border-radius: 5px;
    font-style: italic;
    color: var(--text-light);
}

.article-content blockquote p {
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
}

.article-content blockquote footer {
    text-align: right;
    font-size: 0.95rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* 标签 */
.article-tags {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--light-color);
}

.article-tags .tag {
    padding: 0.5rem 1rem;
    background: var(--light-color);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.article-tags .tag:hover {
    background: var(--primary-color);
    color: white;
}

/* 分享按钮 */
.article-share {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--light-color);
}

.article-share h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.share-buttons {
    display: flex;
    gap: 1rem;
}

.share-btn {
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    color: white;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.share-btn.wechat {
    background: #09bb07;
}

.share-btn.weibo {
    background: #e6162d;
}

.share-btn.qq {
    background: #12b7f5;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 相关新闻 */
.related-news {
    position: sticky;
    top: 90px;
}

.related-news h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.related-news-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.related-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1rem;
    background: white;
    border-radius: 10px;
    padding: 1rem;
    text-decoration: none;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.related-item:hover {
    transform: translateX(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
}

.related-item img {
    width: 100px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.related-content h4 {
    font-size: 1rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-date {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .news-detail .container {
        grid-template-columns: 1fr;
    }
    
    .related-news {
        position: static;
        margin-top: 3rem;
    }
    
    .related-news-list {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        display: grid;
    }
}

@media (max-width: 768px) {
    .news-article {
        padding: 2rem;
    }
    
    .article-header h1 {
        font-size: 1.8rem;
    }
    
    .article-image {
        height: 250px;
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .article-content .lead {
        font-size: 1.1rem;
    }
    
    .article-content h2 {
        font-size: 1.5rem;
    }
    
    .article-meta {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .share-buttons {
        flex-wrap: wrap;
    }
    
    .related-news-list {
        grid-template-columns: 1fr;
    }
}