/* ===================================
   关于页面独立样式 - 避免与现有样式冲突
   =================================== */

/* 页面标题区域 */
.about-hero-section {
    padding: 80px 0 60px;
    background: #2c3e50;
    position: relative;
    color: white;
}

.about-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

/* 移除浮动背景形状 */

.about-hero-breadcrumb {
    margin-bottom: 30px;
    font-size: 14px;
    opacity: 0.9;
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
    color: white;
    text-decoration: none;
}

.breadcrumb-separator {
    margin: 0 15px;
    opacity: 0.6;
}

.breadcrumb-current {
    color: #3498db;
    font-weight: 600;
}

.about-hero-title {
    max-width: 800px;
    margin: 0 auto;
}

.about-main-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 30px;
    color: white;
    line-height: 1.2;
}

.about-title-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 30px 0;
    gap: 20px;
}

.decoration-line {
    flex: 1;
    max-width: 100px;
    height: 2px;
    background: #3498db;
}

.decoration-icon {
    width: 50px;
    height: 50px;
    background: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.decoration-icon i {
    color: white;
    font-size: 20px;
    font-weight: bold;
}

.about-hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    opacity: 0.9;
    margin: 0;
    font-weight: 400;
}

/* 品牌故事展示区域 */
.about-brand-story {
    padding: 80px 0;
    background: #f8f9fa;
}

.about-story-content {
    position: relative;
    z-index: 2;
}

.about-story-item {
    background: white;
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.about-story-item:hover {
    border-color: #3498db;
}

.about-story-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.about-story-icon {
    width: 60px;
    height: 60px;
    background: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.about-story-icon i {
    color: white;
    font-size: 24px;
}

.about-story-title {
    margin: 0;
    color: #2c3e50;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
}

/* 内容包装器 - 让文字和图片平分显示 */
.about-story-content-wrapper {
    display: flex;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.about-story-text {
    flex: 1;
    min-width: 300px;
    color: #5a6c7d;
    font-size: 16px;
    line-height: 1.8;
    text-align: justify;
}

.about-story-text p {
    margin-bottom: 15px;
}

.about-story-text ul {
    margin: 15px 0;
    padding-left: 25px;
    list-style: none;
}

.about-story-text ul li {
    position: relative;
    margin-bottom: 8px;
    padding-left: 20px;
    line-height: 1.6;
    color: #5a6c7d;
}

.about-story-text ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: #3498db;
    font-weight: bold;
    font-size: 16px;
}

.about-story-text ol {
    margin: 15px 0;
    padding-left: 25px;
    counter-reset: item;
}

.about-story-text ol li {
    position: relative;
    margin-bottom: 8px;
    padding-left: 25px;
    line-height: 1.6;
    color: #5a6c7d;
    list-style: none;
    counter-increment: item;
}

.about-story-text ol li::before {
    content: counter(item) ".";
    position: absolute;
    left: 0;
    top: 0;
    color: #3498db;
    font-weight: bold;
    min-width: 20px;
}

.about-story-text strong,
.about-story-text b {
    color: #2c3e50;
    font-weight: 700;
}

.about-story-text em,
.about-story-text i {
    font-style: italic;
    color: #34495e;
}

.about-story-text blockquote {
    margin: 20px 0;
    padding: 15px 20px;
    background: #f8f9fa;
    border-left: 4px solid #3498db;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: #34495e;
}

.about-story-text blockquote p {
    margin: 0;
}

.about-story-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.about-story-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

/* 品牌发展时间线 */
.about-timeline {
    padding: 100px 0;
    background: #34495e;
    color: white;
}

.about-section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.about-section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
    color: white;
}

.about-section-subtitle {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(-50%);
    border-radius: 2px;
}

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

.timeline-left {
    flex-direction: row;
}

.timeline-right {
    flex-direction: row-reverse;
}

.timeline-content {
    flex: 1;
    max-width: 450px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 15px solid transparent;
    transform: translateY(-50%);
}

.timeline-left .timeline-content::before {
    right: -30px;
    border-left-color: rgba(255, 255, 255, 0.1);
}

.timeline-right .timeline-content::before {
    left: -30px;
    border-right-color: rgba(255, 255, 255, 0.1);
}

.timeline-content:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

.timeline-year {
    font-size: 24px;
    font-weight: 800;
    color: #3498db;
    margin-bottom: 8px;
    line-height: 1.2;
}

.timeline-location {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.timeline-location i {
    font-size: 12px;
    color: #3498db;
}

.timeline-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}

.timeline-desc {
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.9;
    margin: 0;
}

.timeline-marker {
    width: 60px;
    display: flex;
    justify-content: center;
    z-index: 3;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: #3498db;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.2);
    background: #2980b9;
}

/* 最新栏目通知 */
.about-latest-news {
    padding: 100px 0;
    background: #f8f9fa;
    position: relative;
}

.about-latest-news .about-section-header {
    color: #2c3e50;
    margin-bottom: 60px;
}

.about-latest-news .about-section-title {
    color: #2c3e50;
}

.about-latest-news .about-section-subtitle {
    color: #5a6c7d;
    opacity: 1;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.news-card:hover {
    border-color: #3498db;
}

.news-card-image {
    overflow: hidden;
    height: 200px;
    position: relative;
}

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

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

.news-card-body {
    padding: 25px;
}

.news-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 14px;
}

.news-date {
    color: #007bff;
    font-weight: 600;
}

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

.news-category {
    background: #3498db;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.news-card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-card-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-card-title a:hover {
    color: #007bff;
}

.news-card-excerpt {
    color: #5a6c7d;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 15px;
}

.news-card-link {
    color: #007bff;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.news-card-link:hover {
    color: #2980b9;
    text-decoration: none;
}

.news-card-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.news-card-link:hover i {
    transform: translateX(3px);
}

.no-news-message {
    text-align: center;
    color: #5a6c7d;
    font-size: 18px;
    padding: 60px 20px;
    background: white;
    border-radius: 12px;
    border: 1px solid #e9ecef;
}

.news-view-all {
    text-align: center;
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    background: #3498db;
    color: white;
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn-view-all:hover {
    background: #2980b9;
    color: white;
    text-decoration: none;
}

.btn-view-all i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-view-all:hover i {
    transform: translateX(3px);
}

/* 响应式设计 */

/* 1200px以下使用手机端样式 */
@media (max-width: 1199px) {
    .about-hero-section {
        padding: 60px 0 40px;
    }
    
    .about-main-title {
        font-size: 32px;
        margin-bottom: 20px;
    }
    
    .about-title-decoration {
        margin: 20px 0;
        gap: 15px;
    }
    
    .decoration-line {
        max-width: 60px;
    }
    
    .decoration-icon {
        width: 40px;
        height: 40px;
    }
    
    .decoration-icon i {
        font-size: 16px;
    }
    
    .about-hero-subtitle {
        font-size: 16px;
    }
    
    .breadcrumb-separator {
        margin: 0 10px;
    }
    
    /* 移除了背景形状 */
    
    .about-brand-story {
        padding: 60px 0;
    }
    
    .about-story-item {
        padding: 25px;
        margin-bottom: 20px;
    }
    
    .about-story-header {
        flex-direction: column;
        text-align: center;
        margin-bottom: 20px;
    }
    
    .about-story-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .about-story-title {
        font-size: 24px;
    }
    
    /* 移动端文字和图片垂直排列 */
    .about-story-content-wrapper {
        flex-direction: column;
        gap: 20px;
    }
    
    .about-story-text,
    .about-story-image {
        min-width: auto;
    }
    
    .about-timeline {
        padding: 60px 0;
    }
    
    .about-section-title {
        font-size: 32px;
    }
    
    .timeline-container::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        margin-bottom: 40px;
    }
    
    .timeline-left,
    .timeline-right {
        flex-direction: row;
    }
    
    .timeline-content {
        max-width: none;
        margin-left: 60px;
    }
    
    .timeline-content::before {
        left: -30px !important;
        right: auto !important;
        border-right-color: rgba(255, 255, 255, 0.1) !important;
        border-left-color: transparent !important;
    }
    
    .timeline-marker {
        width: 30px;
        position: absolute;
        left: 15px;
    }
    
    .about-latest-news {
        padding: 60px 0;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-card-body {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .about-hero-section {
        padding: 40px 0 30px;
    }
    
    .about-main-title {
        font-size: 28px;
        line-height: 1.3;
    }
    
    .about-hero-subtitle {
        font-size: 14px;
    }
    
    .about-hero-breadcrumb {
        font-size: 12px;
        margin-bottom: 20px;
    }
    
    .breadcrumb-separator {
        margin: 0 8px;
    }
    
    .about-title-decoration {
        margin: 15px 0;
        gap: 10px;
    }
    
    .decoration-line {
        max-width: 40px;
    }
    
    .decoration-icon {
        width: 35px;
        height: 35px;
    }
    
    .decoration-icon i {
        font-size: 14px;
    }
    
    .about-story-item {
        padding: 20px;
    }
    
    .about-story-title {
        font-size: 20px;
    }
    
    .about-section-title {
        font-size: 28px;
    }
    
    .timeline-year {
        font-size: 20px;
    }
    
    .timeline-location {
        font-size: 12px;
        margin-bottom: 10px;
    }
    
    .timeline-location i {
        font-size: 10px;
    }
    
    .timeline-title {
        font-size: 18px;
    }
    
    .timeline-desc {
        font-size: 14px;
    }
    
    .news-card-title {
        font-size: 16px;
    }
    
    .news-card-excerpt {
        font-size: 14px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-story-item,
.timeline-item,
.news-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.about-story-item:nth-child(2) { animation-delay: 0.1s; }
.about-story-item:nth-child(3) { animation-delay: 0.2s; }

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }

.news-card:nth-child(1) { animation-delay: 0.1s; }
.news-card:nth-child(2) { animation-delay: 0.2s; }
.news-card:nth-child(3) { animation-delay: 0.3s; }
.news-card:nth-child(4) { animation-delay: 0.4s; }
.news-card:nth-child(5) { animation-delay: 0.5s; }
.news-card:nth-child(6) { animation-delay: 0.6s; }