/* ===================================
   UDL Engineering Limited - Components CSS
   ================================== */

/* 修复：当有真实图片时隐藏占位伪元素，避免重复显示 */
.has-real-image::before,
.has-real-image::after {
    display: none !important;
}

/* 项目分类页面样式 */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb-link {
    color: #3b82f6;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.breadcrumb-link:hover {
    background-color: #f3f4f6;
    color: #1d4ed8;
}

.breadcrumb-separator {
    color: #9ca3af;
    font-weight: 500;
}

.breadcrumb-current {
    color: #374151;
    font-weight: 500;
}

.category-title {
    font-size: 36px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.category-subtitle {
    font-size: 18px;
    color: #6b7280;
    font-weight: 400;
}

/* 项目叠加层样式 */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(29, 78, 216, 0.95));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 2;
}

.project-item:hover .project-overlay {
    opacity: 1;
    transform: translateY(0);
}

.project-overlay-content {
    text-align: center;
    color: white;
    padding: 20px;
}

.overlay-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: white;
}

.overlay-description {
    font-size: 14px;
    margin-bottom: 20px;
    opacity: 0.9;
    line-height: 1.5;
}

.overlay-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
}

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

/* 项目分类标签 */
.project-category-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(59, 130, 246, 0.9);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    z-index: 3;
    transition: all 0.3s ease;
    display:none;
}

.project-item:hover .project-category-badge {
    background: rgba(255, 255, 255, 0.9);
    color: #3b82f6;
}

/* 项目规格样式改进 */
.project-specs {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e5e7eb;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 13px;
}

.spec-label {
    color: #6b7280;
    font-weight: 500;
}

.spec-value {
    color: #374151;
    font-weight: 600;
    text-align: right;
    max-width: 60%;
    word-break: break-word;
}

.spec-more {
    margin-top: 10px;
    text-align: center;
}

.spec-more small {
    color: #9ca3af;
    font-style: italic;
}

/* 项目元数据 */
.project-meta {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e5e7eb;
}

.project-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #6b7280;
}

.project-date i {
    font-size: 12px;
}

/* 空状态样式 */
.empty-state .empty-icon {
    margin-bottom: 30px;
}

.empty-state h3 {
    font-size: 24px;
    font-weight: 600;
}

.empty-state p {
    font-size: 16px;
    max-width: 400px;
    margin: 0 auto 30px;
}

/* 项目统计区域 */
.projects-stats {
    border: 1px solid #e5e7eb;
}

.projects-stats h3 {
    font-size: 20px;
    font-weight: 600;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .category-title {
        font-size: 28px;
    }
    
    .category-subtitle {
        font-size: 16px;
    }
    
    .breadcrumb-nav {
        flex-wrap: wrap;
    }
    
    .project-overlay-content {
        padding: 15px;
    }
    
    .overlay-title {
        font-size: 18px;
    }
    
    .overlay-description {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .category-title {
        font-size: 24px;
    }
    
    .breadcrumb-link {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .project-category-badge {
        font-size: 11px;
        padding: 4px 10px;
    }
}

/* =====================================
   项目详情弹窗样式
   ===================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: white;
    border-radius: 12px;
    max-width: 1200px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    transform: translateY(50px) scale(0.9);
    transition: all 0.3s ease;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.modal-overlay.active .modal-container {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    border-bottom: 1px solid #e5e7eb;
    background: #f8f9fa;
}

.modal-title {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #6b7280;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: #e5e7eb;
    color: #374151;
}

.modal-content {
    max-height: calc(90vh - 100px);
    overflow-y: auto;
}

/* 加载状态 */
.modal-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 30px;
    color: #6b7280;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e5e7eb;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误状态 */
.modal-error {
    text-align: center;
    padding: 60px 30px;
}

.error-icon {
    font-size: 48px;
    color: #ef4444;
    margin-bottom: 20px;
}

.modal-error h3 {
    color: #374151;
    margin-bottom: 15px;
}

.modal-error p {
    color: #6b7280;
    margin-bottom: 30px;
}

/* 弹窗主体内容 */
.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 30px;
}

/* 项目图片轮播 */
.project-gallery {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.gallery-main {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: #f3f4f6;
    aspect-ratio: 16/10;
    width: 710px;
    height: 444px;
}

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

.image-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-main:hover .image-nav {
    opacity: 1;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #374151;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-btn:hover {
    background: white;
    transform: scale(1.1);
}

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

.gallery-thumbs {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 5px 0;
    width: 710px;
}

.thumb-item {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.thumb-item.active {
    border-color: #3b82f6;
}

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

.thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 项目详细信息 */
.project-details-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.project-header {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.project-detail-title {
    font-size: 28px;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
    line-height: 1.2;
}

.project-category-tag {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    align-self: flex-start;
}

.project-description {
    font-size: 16px;
    line-height: 1.6;
    color: #374151;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
}

/* 项目规格 */
.project-specifications h4 {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-specifications h4 i {
    color: #3b82f6;
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
}

.spec-row:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
}

.spec-row .spec-label {
    font-weight: 500;
    color: #374151;
    font-size: 14px;
}

.spec-row .spec-value {
    font-weight: 600;
    color: #1f2937;
    font-size: 14px;
    text-align: right;
}

/* 项目元信息 */
.project-meta-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.meta-label {
    font-weight: 500;
    color: #6b7280;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.meta-label i {
    color: #3b82f6;
    width: 16px;
    text-align: center;
}

.meta-value {
    font-weight: 600;
    color: #374151;
    font-size: 14px;
}

.status-active {
    color: #059669;
    background: #d1fae5;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .modal-body {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .modal-container {
        margin: 10px;
        max-height: 95vh;
    }
}

@media (max-width: 768px) {
    .modal-overlay {
        padding: 10px;
    }
    
    .modal-header {
        padding: 20px;
    }
    
    .modal-title {
        font-size: 20px;
    }
    
    .modal-body {
        padding: 20px;
        gap: 25px;
    }
    
    .project-detail-title {
        font-size: 24px;
    }
    
    .gallery-thumbs {
        gap: 8px;
    }
    
    .thumb-item {
        width: 60px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .modal-header {
        padding: 15px;
    }
    
    .modal-body {
        padding: 15px;
        gap: 20px;
    }
    
    .project-detail-title {
        font-size: 22px;
    }
    
    .project-description {
        padding: 15px;
        font-size: 15px;
    }
}

/* =====================================
   HOME PAGE COMPONENTS
   ===================================== */

/* Projects Section */
.projects {
    padding: 100px 0;
    background: #fff;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.project-card {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
    background-color: #f5f6fa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: transform 0.3s ease;
}

/* 图片叠加效果 */
.project-image::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    z-index: 1;
}

/* 占位图动画效果 */
@keyframes placeholderPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

@keyframes placeholderFloat {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.05); }
}

/* 为所有占位图添加微妙动画 */
.facade-img::before, .metal-roof-img::before, 
.noise-barrier-img::before, .structural-steel-img::before,
.facade-project-1::before, .facade-project-2::before,
.metal-roof-project-1::before, .noise-barrier-project-1::before,
.structural-steel-project-1::before,
.annual-dinner-2023::before, .tie-dye-workshop::before, .annual-dinner-2022::before,
.delight-workshop::before, .community-service-life::before,
.community-service-life-2::before, .community-service-life-3::before,
.turkish-music-workshop::before, .sowers-action-2019::before,
.sowers-action-2018::before, .sowers-action-2017::before,
.guilin-trip::before, .thailand-trip::before, .taipei-trip::before,
.listing-main-board::before, .listing-gem-board::before {
    animation: placeholderFloat 3s ease-in-out infinite;
}

.facade-img::after, .metal-roof-img::after,
.noise-barrier-img::after, .structural-steel-img::after,
.annual-dinner-2023::after, .tie-dye-workshop::after, .annual-dinner-2022::after,
.delight-workshop::after, .community-service-life::after,
.community-service-life-2::after, .community-service-life-3::after,
.turkish-music-workshop::after, .sowers-action-2019::after,
.sowers-action-2018::after, .sowers-action-2017::after,
.guilin-trip::after, .thailand-trip::after, .taipei-trip::after,
.listing-main-board::after, .listing-gem-board::after {
    animation: placeholderPulse 2s ease-in-out infinite;
}

.project-card:hover .project-image::before {
    transform: translateX(100%);
}

/* 图片角标 */
.project-image .image-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(4px);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 2;
}

.project-card:hover .image-badge {
    opacity: 1;
    transform: translateY(0);
}

/* 图片加载状态 */
.project-image.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: imageLoading 1.5s infinite;
    position: relative;
}

.project-image.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes imageLoading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.project-image.error {
    background-color: #f8f9fa;
    color: #6c757d;
    font-size: 14px;
    text-align: center;
    flex-direction: column;
}

.project-image.error::before {
    content: "📷";
    display: block;
    font-size: 32px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.project-image.error::after {
    content: "图片加载中...";
    font-size: 12px;
    opacity: 0.7;
}

.facade-img {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 15px,
            rgba(255,255,255,0.1) 15px,
            rgba(255,255,255,0.1) 30px
        ),
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.15) 2px, transparent 2px),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 100% 100%, 40px 40px, 60px 60px;
    position: relative;
    overflow: hidden;
}

.facade-img::before {
    content: "🏢";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.4;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* .facade-img::after {
    content: "FACADE SYSTEM";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.8);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
} */

.metal-roof-img {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 8px,
            rgba(255,255,255,0.2) 8px,
            rgba(255,255,255,0.2) 16px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 12px,
            rgba(255,255,255,0.1) 12px,
            rgba(255,255,255,0.1) 24px
        );
    position: relative;
    overflow: hidden;
}

.metal-roof-img::before {
    content: "🏭";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.4;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* .metal-roof-img::after {
    content: "METAL ROOF";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
} */

.noise-barrier-img {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    background-image: 
        repeating-linear-gradient(
            45deg,
            rgba(255,255,255,0.15),
            rgba(255,255,255,0.15) 2px,
            transparent 2px,
            transparent 12px
        ),
        linear-gradient(
            90deg,
            rgba(255,255,255,0.1) 1px,
            transparent 1px,
            transparent 19px,
            rgba(255,255,255,0.1) 19px,
            rgba(255,255,255,0.1) 20px
        );
    background-size: 100% 100%, 20px 100%;
    position: relative;
    overflow: hidden;
}

.noise-barrier-img::before {
    content: "🔊";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.4;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* .noise-barrier-img::after {
    content: "NOISE BARRIER";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
} */

.structural-steel-img {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    background-image: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 10px,
            rgba(255,255,255,0.2) 10px,
            rgba(255,255,255,0.2) 12px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 10px,
            rgba(255,255,255,0.15) 10px,
            rgba(255,255,255,0.15) 12px
        ),
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.1) 3px, transparent 3px);
    background-size: 100% 100%, 100% 100%, 50px 50px;
    position: relative;
    overflow: hidden;
}

.structural-steel-img::before {
    content: "🏗️";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.4;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* .structural-steel-img::after {
    content: "STRUCTURAL STEEL";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
} */

.project-info {
    padding: 30px 20px;
    background: #4a90e2;
    color: white;
    text-align: center;
}

.project-info h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.read-more-btn {
    background: transparent;
    color: white;
    border: 1px solid white;
    padding: 8px 20px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.read-more-btn:hover {
    background: white;
    color: #4a90e2;
}

/* News Section */
.news {
    padding: 100px 0;
    background: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.news-card {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.15);
}

.news-card:hover .news-image {
    transform: scale(1.02);
}

.news-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
    background-color: #f5f6fa;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    overflow: hidden;
}

/* 新闻占位图样式 */
.annual-dinner-2023, .news-img-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: 
        radial-gradient(circle at 30% 70%, rgba(255,255,255,0.25) 15%, transparent 15%),
        radial-gradient(circle at 70% 30%, rgba(255,255,255,0.15) 8%, transparent 8%),
        linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    background-size: 80px 80px, 40px 40px, 100% 100%;
    position: relative;
    overflow: hidden;
}

.annual-dinner-2023::before, .news-img-1::before {
    content: "🎉";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.annual-dinner-2023::after, .news-img-1::after {
    content: "ANNUAL DINNER";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.tie-dye-workshop, .news-img-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    background-image: 
        repeating-linear-gradient(
            45deg,
            rgba(255,255,255,0.15),
            rgba(255,255,255,0.15) 3px,
            transparent 3px,
            transparent 15px
        ),
        repeating-linear-gradient(
            -45deg,
            rgba(255,255,255,0.08),
            rgba(255,255,255,0.08) 2px,
            transparent 2px,
            transparent 12px
        );
    position: relative;
    overflow: hidden;
}

.tie-dye-workshop::before, .news-img-2::before {
    content: "🎨";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.tie-dye-workshop::after, .news-img-2::after {
    content: "WORKSHOP";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.annual-dinner-2022, .news-img-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.2) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.2) 75%),
        radial-gradient(circle at 60% 40%, rgba(255,255,255,0.1) 5px, transparent 5px);
    background-size: 20px 20px, 60px 60px;
    position: relative;
    overflow: hidden;
}

.annual-dinner-2022::before, .news-img-3::before {
    content: "🍽️";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.annual-dinner-2022::after, .news-img-3::after {
    content: "DINNER EVENT";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* 项目列表占位图样式 */
.facade-project-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,0.1) 10px, rgba(255,255,255,0.1) 20px),
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15) 3px, transparent 3px);
    background-size: 100% 100%, 50px 50px;
}

.facade-project-2 {
    background: linear-gradient(135deg, #5a67d8 0%, #667eea 100%);
    background-image: 
        linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 25px 25px;
}

.metal-roof-project-1 {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 8px, rgba(255,255,255,0.15) 8px, rgba(255,255,255,0.15) 16px),
        repeating-linear-gradient(90deg, transparent, transparent 12px, rgba(255,255,255,0.1) 12px, rgba(255,255,255,0.1) 24px);
}

.noise-barrier-project-1 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    background-image: 
        repeating-linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0.1) 2px, transparent 2px, transparent 10px),
        linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 100% 100%, 15px 100%;
}

.structural-steel-project-1 {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 8px, rgba(255,255,255,0.15) 8px, rgba(255,255,255,0.15) 10px),
        repeating-linear-gradient(0deg, transparent, transparent 8px, rgba(255,255,255,0.1) 8px, rgba(255,255,255,0.1) 10px);
}

/* 项目占位图通用图标和标签 */
.facade-project-1::before, .facade-project-2::before {
    content: "🏢";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    opacity: 0.4;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.metal-roof-project-1::before {
    content: "🏭";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    opacity: 0.4;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.noise-barrier-project-1::before {
    content: "🔊";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    opacity: 0.4;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.structural-steel-project-1::before {
    content: "🏗️";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    opacity: 0.4;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* 更多新闻占位图样式 */
.delight-workshop {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    background-image: radial-gradient(circle at 25% 25%, rgba(255,255,255,0.2) 10%, transparent 10%);
}

.delight-workshop::before {
    content: "😊";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.4;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.delight-workshop::after {
    content: "WORKSHOP";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* 社区服务占位图 */
.community-service-life, .community-service-life-2, .community-service-life-3 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    background-image: 
        radial-gradient(circle at 40% 60%, rgba(255,255,255,0.2) 12%, transparent 12%),
        linear-gradient(60deg, rgba(255,255,255,0.1) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.1) 75%);
    background-size: 60px 60px, 30px 30px;
    position: relative;
    overflow: hidden;
}

.community-service-life::before, .community-service-life-2::before, .community-service-life-3::before {
    content: "🤝";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: placeholderFloat 3s ease-in-out infinite;
}

.community-service-life::after, .community-service-life-2::after, .community-service-life-3::after {
    content: "COMMUNITY SERVICE";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.95);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    animation: placeholderPulse 2s ease-in-out infinite;
}

/* 音乐工作坊占位图 */
.turkish-music-workshop {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: 
        repeating-linear-gradient(30deg, rgba(255,255,255,0.1), rgba(255,255,255,0.1) 5px, transparent 5px, transparent 15px),
        radial-gradient(circle at 70% 30%, rgba(255,255,255,0.15) 8%, transparent 8%);
    background-size: 100% 100%, 50px 50px;
    position: relative;
    overflow: hidden;
}

.turkish-music-workshop::before {
    content: "🎵";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: placeholderFloat 3s ease-in-out infinite;
}

.turkish-music-workshop::after {
    content: "MUSIC WORKSHOP";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    animation: placeholderPulse 2s ease-in-out infinite;
}

/* 苗圃行动占位图 */
.sowers-action-2019, .sowers-action-2018 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.15) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.15) 75%),
        repeating-linear-gradient(-45deg, rgba(255,255,255,0.08), rgba(255,255,255,0.08) 3px, transparent 3px, transparent 12px);
    background-size: 25px 25px, 100% 100%;
    position: relative;
    overflow: hidden;
}

.sowers-action-2019::before, .sowers-action-2018::before {
    content: "🌱";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: placeholderFloat 3s ease-in-out infinite;
}

.sowers-action-2019::after, .sowers-action-2018::after {
    content: "SOWERS ACTION";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    animation: placeholderPulse 2s ease-in-out infinite;
}

/* 2017年苗圃行动 */
.sowers-action-2017 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.12) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.12) 75%),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.06), rgba(255,255,255,0.06) 2px, transparent 2px, transparent 10px);
    background-size: 20px 20px, 100% 100%;
    position: relative;
    overflow: hidden;
}

.sowers-action-2017::before {
    content: "🌱";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: placeholderFloat 3s ease-in-out infinite;
}

.sowers-action-2017::after {
    content: "SOWERS ACTION";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.9);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    animation: placeholderPulse 2s ease-in-out infinite;
}

/* 旅游活动占位图 */
.guilin-trip, .thailand-trip, .taipei-trip {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.2) 15%, transparent 15%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.15) 10%, transparent 10%),
        linear-gradient(135deg, rgba(255,255,255,0.08) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.08) 75%);
    background-size: 70px 70px, 50px 50px, 30px 30px;
    position: relative;
    overflow: hidden;
}

.guilin-trip::before {
    content: "🏔️";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: placeholderFloat 3s ease-in-out infinite;
}

.thailand-trip::before {
    content: "🏝️";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: placeholderFloat 3s ease-in-out infinite;
}

.taipei-trip::before {
    content: "🌆";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: placeholderFloat 3s ease-in-out infinite;
}

.guilin-trip::after, .thailand-trip::after, .taipei-trip::after {
    content: "COMPANY TRIP";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.95);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    animation: placeholderPulse 2s ease-in-out infinite;
}

/* 上市相关占位图 */
.listing-main-board, .listing-gem-board {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    background-image: 
        repeating-linear-gradient(45deg, rgba(255,255,255,0.15), rgba(255,255,255,0.15) 4px, transparent 4px, transparent 16px),
        radial-gradient(circle at 30% 70%, rgba(255,255,255,0.1) 12%, transparent 12%);
    background-size: 100% 100%, 60px 60px;
    position: relative;
    overflow: hidden;
}

.listing-main-board::before, .listing-gem-board::before {
    content: "📈";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: placeholderFloat 3s ease-in-out infinite;
}

.listing-main-board::after {
    content: "MAIN BOARD LISTING";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.95);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    animation: placeholderPulse 2s ease-in-out infinite;
}

.listing-gem-board::after {
    content: "GEM BOARD LISTING";
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.95);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    animation: placeholderPulse 2s ease-in-out infinite;
}

/* 响应式占位图优化 */
@media (max-width: 768px) {
    .facade-img::before, .metal-roof-img::before, 
    .noise-barrier-img::before, .structural-steel-img::before,
    .facade-project-1::before, .facade-project-2::before,
    .metal-roof-project-1::before, .noise-barrier-project-1::before,
    .structural-steel-project-1::before {
        font-size: 32px;
    }
    
    .facade-img::after, .metal-roof-img::after,
    .noise-barrier-img::after, .structural-steel-img::after {
        font-size: 10px;
        bottom: 10px;
    }
    
    .annual-dinner-2023::after, .news-img-1::after,
    .tie-dye-workshop::after, .news-img-2::after,
    .annual-dinner-2022::after, .news-img-3::after,
    .delight-workshop::after, .community-service-life::after,
    .community-service-life-2::after, .community-service-life-3::after,
    .turkish-music-workshop::after, .sowers-action-2019::after,
    .sowers-action-2018::after, .sowers-action-2017::after,
    .guilin-trip::after, .thailand-trip::after, .taipei-trip::after,
    .listing-main-board::after, .listing-gem-board::after {
        font-size: 9px;
        bottom: 10px;
    }
}

@media (max-width: 480px) {
    .facade-img::before, .metal-roof-img::before, 
    .noise-barrier-img::before, .structural-steel-img::before,
    .facade-project-1::before, .facade-project-2::before,
    .metal-roof-project-1::before, .noise-barrier-project-1::before,
    .structural-steel-project-1::before {
        font-size: 28px;
    }
    
    .facade-img::after, .metal-roof-img::after,
    .noise-barrier-img::after, .structural-steel-img::after {
        font-size: 9px;
        bottom: 8px;
        letter-spacing: 0.5px;
    }
}

/* 占位图加载优化 */
.project-image, .news-image {
    background-attachment: local;
    will-change: transform;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .facade-img::before, .metal-roof-img::before, 
    .noise-barrier-img::before, .structural-steel-img::before,
    .facade-project-1::before, .facade-project-2::before,
    .metal-roof-project-1::before, .noise-barrier-project-1::before,
    .structural-steel-project-1::before {
        opacity: 0.8;
        text-shadow: 0 2px 4px rgba(0,0,0,0.8);
    }
    
    .facade-img::after, .metal-roof-img::after,
    .noise-barrier-img::after, .structural-steel-img::after {
        color: rgba(255,255,255,1);
        text-shadow: 0 1px 2px rgba(0,0,0,0.8);
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .facade-img::before, .metal-roof-img::before, 
    .noise-barrier-img::before, .structural-steel-img::before,
    .facade-project-1::before, .facade-project-2::before,
    .metal-roof-project-1::before, .noise-barrier-project-1::before,
    .structural-steel-project-1::before,
    .annual-dinner-2023::before, .tie-dye-workshop::before, .annual-dinner-2022::before,
    .delight-workshop::before, .community-service-life::before,
    .community-service-life-2::before, .community-service-life-3::before,
    .turkish-music-workshop::before, .sowers-action-2019::before,
    .sowers-action-2018::before, .sowers-action-2017::before,
    .guilin-trip::before, .thailand-trip::before, .taipei-trip::before,
    .listing-main-board::before, .listing-gem-board::before {
        animation: none;
    }
    
    .facade-img::after, .metal-roof-img::after,
    .noise-barrier-img::after, .structural-steel-img::after,
    .annual-dinner-2023::after, .tie-dye-workshop::after, .annual-dinner-2022::after,
    .delight-workshop::after, .community-service-life::after,
    .community-service-life-2::after, .community-service-life-3::after,
    .turkish-music-workshop::after, .sowers-action-2019::after,
    .sowers-action-2018::after, .sowers-action-2017::after,
    .guilin-trip::after, .thailand-trip::after, .taipei-trip::after,
    .listing-main-board::after, .listing-gem-board::after {
        animation: none;
    }
}

.community-service-life {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 8px,
        rgba(255,255,255,0.3) 8px,
        rgba(255,255,255,0.3) 16px
    );
}

.community-service-life::before {
    content: "🤝";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.4;
}

.turkish-music-workshop {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    background-image: repeating-linear-gradient(
        45deg,
        rgba(255,255,255,0.2),
        rgba(255,255,255,0.2) 5px,
        transparent 5px,
        transparent 20px
    );
}

.turkish-music-workshop::before {
    content: "🎵";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.4;
}

.sowers-action-2019 {
    background: linear-gradient(135deg, #d299c2 0%, #fef9d7 100%);
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 12px,
        rgba(255,255,255,0.25) 12px,
        rgba(255,255,255,0.25) 24px
    );
}

.sowers-action-2019::before {
    content: "🌱";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.4;
}

.news-content {
    padding: 30px 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.news-meta {
    flex: 1;
}

.news-year {
    font-size: 14px;
    color: #4a90e2;
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}

.news-title {
    font-size: 16px;
    color: #333;
    font-weight: 500;
    line-height: 1.4;
}

.news-more {
    color: #e74c3c;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 5px 0;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.news-more:hover {
    border-bottom-color: #e74c3c;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #fff;
}

.contact-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.contact-info {
    flex: 1;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 400;
    color: #333;
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

.contact-btn {
    background: #c85a8e;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-btn:hover {
    background: #b04979;
}

/* =====================================
   ABOUT PAGE COMPONENTS
   ===================================== */

.company-history {
    padding: 100px 0;
    background: #fff;
}

.history-content {
    max-width: 900px;
    margin: 0 auto;
}

.history-text {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
    text-align: justify;
}

.team-photo {
    margin: 80px 0;
    text-align: center;
}

.team-image {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        linear-gradient(45deg, rgba(0,0,0,0.02) 25%, transparent 25%, transparent 75%, rgba(0,0,0,0.02) 75%);
    background-size: 100% 100%, 100% 100%, 20px 20px;
    background-image: url(/images/about_banner.png);
}

.anniversary-badge {
    position: absolute;
    top: 30px;
    left: 30px;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border: 2px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.anniversary-number {
    font-size: 36px;
    font-weight: 700;
    color: #2563eb;
    line-height: 1;
}

.anniversary-text {
    font-size: 14px;
    color: #374151;
    font-weight: 500;
}

.milestone {
    padding: 100px 0;
    background: #f8fafc;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 60px auto 0;
    padding: 40px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #3b82f6;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 80px;
    display: flex;
    align-items: flex-start;
    gap: 40px;
}

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

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

.timeline-year {
    flex: 0 0 120px;
    background: #3b82f6;
    color: white;
    padding: 15px 20px;
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    position: relative;
    z-index: 2;
}

.timeline-year::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 15px;
    height: 15px;
    background: #3b82f6;
    border: 3px solid white;
    border-radius: 50%;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-year::after {
    right: -47px;
}

.timeline-item:nth-child(even) .timeline-year::after {
    left: -47px;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 25px 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-left: 4px solid #3b82f6;
}

.timeline-item:nth-child(even) .timeline-content {
    border-left: none;
    border-right: 4px solid #3b82f6;
}

.timeline-content p {
    font-size: 15px;
    line-height: 1.6;
    color: #374151;
    margin: 0;
}

.mission-statement {
    padding: 100px 0;
    background: #fff;
}

.mission-content {
    max-width: 900px;
    margin: 0 auto;
}

.mission-intro {
    font-size: 18px;
    line-height: 1.8;
    color: #374151;
    margin-bottom: 50px;
    text-align: center;
    font-weight: 500;
}

.mission-points {
    display: grid;
    gap: 40px;
    margin-bottom: 50px;
}

.mission-point {
    background: #f8fafc;
    padding: 30px;
    border-left: 5px solid #3b82f6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mission-point:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.mission-point h3 {
    font-size: 18px;
    color: #3b82f6;
    margin-bottom: 15px;
    font-weight: 600;
}

.mission-point p {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin: 0;
}

.mission-footer {
    font-size: 18px;
    font-weight: 600;
    color: #3b82f6;
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bfdbfe;
}

/* =====================================
   PROJECTS PAGE COMPONENTS
   ===================================== */

.projects-intro {
    padding: 60px 0;
    background: #fff;
}

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

.intro-text {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

.projects-main {
    padding: 80px 0;
    background: #f8fafc;
}

.projects-grid.main-projects {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.project-category-card {
    background: #3b82f6;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    height: 360px;
}

.project-category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.project-image-container {
    height: 56%;
    position: relative;
    overflow: hidden;
}

.project-category-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.3s ease;
}

.project-category-card:hover .project-category-image {
    transform: scale(1.05);
}

.facade-image {
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.1)), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 300"><rect width="400" height="300" fill="%23334155"/><g stroke="%23ffffff" stroke-width="2" opacity="0.3"><line x1="0" y1="0" x2="400" y2="300"/><line x1="100" y1="0" x2="100" y2="300"/><line x1="200" y1="0" x2="200" y2="300"/><line x1="300" y1="0" x2="300" y2="300"/><line x1="0" y1="75" x2="400" y2="75"/><line x1="0" y1="150" x2="400" y2="150"/><line x1="0" y1="225" x2="400" y2="225"/></g></svg>');
}

.metal-roof-image {
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.1)), 
                radial-gradient(circle at 50% 50%, #10b981 0%, #059669 100%);
    background-image: 
        linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.1)),
        repeating-linear-gradient(
            45deg,
            #10b981 0px,
            #10b981 10px,
            #059669 10px,
            #059669 20px
        );
}

.noise-barrier-image {
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.1)), 
                linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    background-image: 
        linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.1)),
        repeating-linear-gradient(
            90deg,
            rgba(255,255,255,0.1) 0px,
            rgba(255,255,255,0.1) 2px,
            transparent 2px,
            transparent 12px
        );
}

.structural-steel-image {
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.1)), 
                linear-gradient(45deg, #6b7280 0%, #4b5563 100%);
    background-image: 
        linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.1)),
        repeating-linear-gradient(
            0deg,
            rgba(255,255,255,0.2) 0px,
            rgba(255,255,255,0.2) 1px,
            transparent 1px,
            transparent 8px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(255,255,255,0.1) 0px,
            rgba(255,255,255,0.1) 1px,
            transparent 1px,
            transparent 8px
        );
}

.project-category-content {
    height: 40%;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    background: #3b82f6;
    color: white;
}

.project-category-title {
    font-size: 18px;
    font-weight: 500;
    color: white;
    margin: 0;
    letter-spacing: 1px;
}

.project-more-btn {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 10px 25px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: lowercase;
    letter-spacing: 1px;
    font-weight: 400;
    text-decoration: none;
    display: inline-block;
}

.project-more-btn:hover {
    background: white;
    color: #3b82f6;
    transform: translateY(-2px);
}

.project-details {
    padding: 100px 0;
    background: #fff;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.expertise-item {
    padding: 30px;
    background: #f8fafc;
    border-left: 4px solid #3b82f6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.expertise-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.expertise-item h3 {
    font-size: 18px;
    color: #3b82f6;
    margin-bottom: 15px;
    font-weight: 600;
}

.expertise-item p {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin: 0;
}

/* =====================================
   RESPONSIVE DESIGN FOR COMPONENTS
   ===================================== */

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-content {
        flex-direction: column;
        text-align: center;
    }
    
    .projects-intro {
        padding: 40px 0;
    }
    
    .intro-text {
        font-size: 15px;
        text-align: left;
    }
    
    .projects-main {
        padding: 60px 0;
    }
    
    .projects-grid.main-projects {
        grid-template-columns: 1fr;
        gap: 30px;
        max-width: 400px;
    }
    
    .project-category-card {
        height: 350px;
    }
    
    .project-category-content {
        padding: 22px;
    }
    
    .project-category-title {
        font-size: 20px;
    }
    
    .timeline {
        margin: 40px auto 0;
        padding: 20px;
    }
    
    .timeline-line {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        margin-bottom: 50px;
        padding-left: 60px;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        text-align: left;
        border-left: 4px solid #3b82f6;
        border-right: none;
    }
    
    .timeline-year {
        flex: 0 0 80px;
        font-size: 16px;
        padding: 10px 15px;
        position: absolute;
        left: 0;
    }
    
    .timeline-year::after {
        right: -47px !important;
        left: auto !important;
    }
    
    .timeline-content {
        margin-left: 20px;
        padding: 20px;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-top: 40px;
    }
    
    .expertise-item {
        padding: 25px;
    }
    
    .expertise-item h3 {
        font-size: 16px;
    }
    
    .expertise-item p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-category-card {
        height: 300px;
    }
    
    .project-category-content {
        padding: 20px;
    }
    
    .project-category-title {
        font-size: 18px;
    }
    
    .project-more-btn {
        padding: 8px 20px;
        font-size: 13px;
    }
    
    .anniversary-badge {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .anniversary-number {
        font-size: 28px;
    }
    
    .timeline-year {
        flex: 0 0 60px;
        font-size: 14px;
        padding: 8px 10px;
    }
}