/* ==================== About页面样式 ==================== */

/* 主内容区域 */
.main-content {
    min-height: 60vh;
    background: white;
}

/* Banner区域 */
.about-banner {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    margin-bottom: 0;
}

.about-banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.about-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
}

.about-banner-title {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    animation: fadeInDown 1s ease-out;
}

.about-banner-subtitle {
    font-size: 24px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease-out 0.3s both;
}

/* 动画效果 */
@keyframes fadeInDown {
    0% {
        opacity: 0;
        transform: translateY(-50px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(50px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== 公司简介区域 ==================== */
.company-intro-section {
    padding: 20px 0;
    background: white;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.company-intro-section.animate {
    opacity: 1;
    transform: translateY(0);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.intro-text h3 {
    font-size: 32px;
    color: #8d0004;
    margin-bottom: 10px;
}

.intro-subtitle {
    font-size: 16px;
    letter-spacing: 0.18em;
    color: #666;
}

.intro-line {
    width: 60px;
    height: 4px;
    background: #FFD700;
    margin: 20px 0;
}

.intro-description {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
    text-align: justify;
}

.intro-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.intro-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

/* 数据统计 */
.intro-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

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

.stat-number {
    font-size: 42px;
    font-weight: bold;
    color: #8d0004;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: #666;
}

/* ==================== 企业文化区域 ==================== */
.culture-section {
    padding: 20px 0;
    background: #f8f9fa;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.culture-section.animate {
    opacity: 1;
    transform: translateY(0);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.culture-item {
    background: white;
    padding: 40px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

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

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #8d0004, #c41e3a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: white;
}

.culture-item h3 {
    font-size: 22px;
    color: #333;
    margin-bottom: 15px;
}

.culture-item p {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
}

/* ==================== 发展历程区域 ==================== */
.timeline-section {
    padding: 20px 0;
    background: white;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.timeline-section.animate {
    opacity: 1;
    transform: translateY(0);
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 40px auto 0;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #8d0004, #FFD700);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
    justify-content: flex-end;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
    justify-content: flex-end;
}

.timeline-year {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #8d0004, #c41e3a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    color: white;
    box-shadow: 0 5px 20px rgba(141, 0, 4, 0.3);
    z-index: 2;
    flex-shrink: 0;
}

.timeline-content {
    width: calc(50% - 90px);
    background: white;
    padding: 30px 20px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 30px;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 30px;
    text-align: left;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.timeline-content h3 {
    font-size: 22px;
    color: #8d0004;
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
}

/* ==================== 生产实力区域 ==================== */
.strength-section {
    padding: 20px 0;
    background: #f8f9fa;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.strength-section.animate {
    opacity: 1;
    transform: translateY(0);
}

.strength-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.strength-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

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

.strength-text {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.strength-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.strength-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.strength-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.strength-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.strength-info h4 {
    font-size: 20px;
    color: #333;
    margin-bottom: 10px;
}

.strength-info p {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
}

/* ==================== 荣誉资质区域 ==================== */
.honor-section {
    padding: 20px 0;
    background: white;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.honor-section.animate {
    opacity: 1;
    transform: translateY(0);
}

.honor-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.honor-image-item {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(141, 0, 4, 0.1);
}

.honor-image-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #8d0004;
}

.honor-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
    transition: transform 0.3s ease;
}

.honor-image-item:hover .honor-image {
    transform: scale(1.02);
}

/* ==================== 联系我们区域 ==================== */
.contact-section {
    padding: 80px 0;
    background: #f8f9fa;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.contact-section.animate {
    opacity: 1;
    transform: translateY(0);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-top: 40px;
}

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

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #8d0004, #c41e3a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
}

.contact-info-text h4 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.contact-info-text p {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
}

.contact-map {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.contact-qr {
    width: 200px;
    height: 200px;
    margin-bottom: 20px;
}

.contact-qr-text {
    font-size: 16px;
    color: #333;
    font-weight: bold;
}

/* ==================== 响应式设计 ==================== */

@media (min-width: 2500px) {

    .intro-text h3{
        font-size: 48px !important;
    }
    .intro-description{
        font-size: 24px !important;
    }
    .intro-subtitle{
        font-size: 24px !important;
    }
    .intro-line{
        width: 80px !important;
        height: 6px !important;
    }
    .section-title{
        font-size: 48px !important;
    }
    .about-banner {
        height: 700px;
    }
    .about-banner-title {
        font-size: 64px;
    }
    .stat-number{
        font-size: 60px !important;
    }
    .stat-label{
        font-size: 24px !important;
    }
    .culture-item h3{
        font-size: 30px !important;
    }
    .culture-item p{
        font-size: 24px !important;
    }
    .culture-icon{
        width: 100px !important;
        height: 100px !important;
    }

    .timeline-content h3{
        font-size: 30px !important;
    }
    .timeline-content p{
        font-size: 24px !important;
    }
    .strength-item h4{
        font-size: 30px !important;
    }
    .strength-item p{
        font-size: 24px !important;
    }
    .strength-icon{
        width: 80px !important;
        height: 80px !important;
    }
    .honor-image-item{
        padding: 30px !important;
    }
    .honor-image{
        width: 100% !important;
        height: auto !important;
    }
    .contact-info-item{
        padding: 40px !important;
    }
    .contact-info-icon{
        width: 60px !important;
        height: 60px !important;
        font-size: 30px !important;
    }
    .contact-info-text h4{
        font-size: 24px !important;
    }
    .contact-info-text p{
        font-size: 24px !important;
}
.honor-images{
    max-width: 1500px !important;
}
.breadcrumb{
    font-size: 24px !important;
}
}
/* 平板设备 */
@media (max-width: 1024px) {
    .about-banner {
        height: 400px;
    }
    
    .about-banner-title {
        font-size: 42px;
    }
    
    .about-banner-subtitle {
        font-size: 20px;
    }
    
    .intro-content,
    .strength-content {
        gap: 40px;
    }
    
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .honor-images {
        gap: 30px;
        max-width: 600px;
    }
    
    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .contact-info-box {
        grid-template-columns: 1fr;
    }
}

/* 移动设备 */
@media (max-width: 768px) {
    .about-banner {
        height: 300px;
    }
    
    .about-banner-title {
        font-size: 32px;
    }
    
    .about-banner-subtitle {
        font-size: 16px;
    }
    
    
    .intro-content,
    .strength-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .intro-text h3 {
        font-size: 24px;
    }
    
    .intro-description {
        font-size: 14px;
    }
    
    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .culture-item {
        padding: 30px 20px;
    }
    
    /* 时间线移动端布局 */
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        justify-content: flex-start !important;
        padding-left: 0;
    }
    
    .timeline-year {
        width: 60px;
        height: 60px;
        font-size: 16px;
        margin-left: 0;
    }
    
    .timeline-content {
        width: calc(100% - 90px) !important;
        margin-left: 30px !important;
        margin-right: 0 !important;
        text-align: left !important;
    }
    
    .strength-item {
        flex-direction: column;
        text-align: center;
    }
    
    .strength-icon {
        margin: 0 auto;
    }
    
    .honor-images {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 400px;
    }
    
    .contact-info-box {
        gap: 20px;
    }
    
    .contact-qr {
        width: 150px;
        height: 150px;
    }
}

/* 小型移动设备 */
@media (max-width: 480px) {
    .about-banner {
        height: 250px;
    }
    
    .about-banner-title {
        font-size: 28px;
    }
    
    .about-banner-subtitle {
        font-size: 14px;
    }
    
    
    .intro-text h3 {
        font-size: 20px;
    }
    
    .intro-stats {
        gap: 15px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .culture-item {
        padding: 25px 15px;
    }
    
    .culture-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    
    .culture-item h3 {
        font-size: 18px;
    }
    
    .timeline-year {
        width: 50px;
        height: 50px;
        font-size: 14px;
    }
    
    .timeline-content {
        padding: 20px;
        width: calc(100% - 80px) !important;
        margin-left: 20px !important;
    }
    
    .timeline-content h3 {
        font-size: 18px;
    }
    
    .strength-item {
        padding: 20px;
    }
    
    .honor-image-item {
        padding: 15px;
    }
    
    .contact-info-item {
        padding: 20px;
    }
    
    .contact-info-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
}