:root {
            --primary-color: #0d9084;
            --primary-light: rgba(13, 144, 132, 0.1);
            --secondary-color: #2C3E50;
            --accent-color: #FF6B6B;
            --text-color: #2C3E50;
            --light-bg: #F8FAFC;
            --border-color: rgba(0, 0, 0, 0.05);
        }

        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: var(--text-color);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }

        .demand-card {
            border: none;
            border-radius: 16px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
            background: white;
            margin-bottom: 1.5rem;
            padding: .75rem;
        }

        .demand-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .demand-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: .5rem;
            /* padding-bottom: 1rem; */
            /*border-bottom: 1px solid var(--border-color);*/
        }

        .demand-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--secondary-color);
            margin: 0;
        }

        .demand-status {
            padding: 0.4rem .75rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            margin-right:.5rem;
            display: inline-block;
            vertical-align: middle;
            position: relative;
            top: -2px;
        }

        .status-urgent {
            background-color: #FFE5E5;
            color: #FF4444;
        }

        .status-normal {
            background-color: #E5F6FF;
            color: #0088CC;
        }

        .status-low {
            background-color: #E5FFE5;
            color: #00AA00;
        }
        .status-warning {
            background-color: #fcf5e8bd;
    color: #f09c00;
        }

        .demand-meta {
            display: flex;
            gap: 2rem;
            margin-bottom: 1rem;
            font-size: 0.875rem;
            color: var(--secondary-color);
        }

        .demand-meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        .demand-items {
            background-color: var(--light-bg);
            border-radius: 12px;
            padding: 1rem;
            margin-bottom: 1rem;
        }

        .demand-item {
            padding: 0.75rem;
            border-bottom: 1px solid var(--border-color);
        }

        .demand-item:last-child {
            border-bottom: none;
        }

  

        .filter-tag {
            display: inline-block;
            padding: 0.5rem 1rem;
            margin: 0.25rem;
            border-radius: 20px;
            background: var(--light-bg);
            color: var(--text-color);
            cursor: pointer;
            transition: all 0.3s;
        }

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

        .btn-post-demand {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 60px;
            height: 60px;
            border-radius: 30px;
            background: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 5px 20px rgba(13, 144, 132, 0.3);
            transition: all 0.3s;
            z-index: 1020;
        }

        .btn-post-demand:hover {
            transform: scale(1.1);
            background: var(--secondary-color);
            color: white;
        }

        /* ????????????? */
        .footer {
            background: white;
            padding: 4rem 0 2rem;
            margin-top: 6rem;
            border-top: 1px solid var(--border-color);
            box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.05);
        }

        .footer-heading {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
            color: var(--secondary-color);
        }

        .footer-heading::after {
            content: "";
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 40px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            border-radius: 2px;
        }

        .footer-link {
            color: #6c757d;
            text-decoration: none;
            display: block;
            margin-bottom: 1rem;
            transition: all 0.3s;
            position: relative;
            padding-left: 20px;
        }

        /*.footer-link::before {*/
        /*    content: "?";*/
        /*    position: absolute;*/
        /*    left: 0;*/
        /*    top: 0;*/
        /*    color: var(--primary-color);*/
        /*    transition: all 0.3s;*/
        /*}*/

        .footer-link:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }

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

        .contact-list li {
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            color: #6c757d;
        }

        .contact-list i {
            color: var(--primary-color);
            margin-right: 1rem;
            font-size: 1.1rem;
            width: 20px;
            text-align: center;
        }

        .social-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary-color);
            margin-right: 1rem;
            transition: all 0.3s;
            text-decoration: none;
        }

        .social-icon:hover {
            transform: translateY(-3px);
            background: var(--primary-color);
            color: white;
            box-shadow: 0 5px 15px rgba(13, 144, 132, 0.2);
        }

        .footer hr {
            margin: 3rem 0;
            opacity: 0.1;
        }

        .footer .copyright-section {
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
        }

        /* ???????????? */
        .navbar {
            padding: 1rem 0;
            transition: all 0.3s;
            background: rgba(255, 255, 255, 0.95) !important;
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            z-index: 1030;
        }

        .navbar.scrolled {
            padding: 0.5rem 0;
            background: rgba(255, 255, 255, 0.98) !important;
        }


        /* ???????????? */
        .category-sidebar {
            background: white;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 90px;
            z-index: 1;
        }

        .category-sidebar .category-item {
            display: flex;
            align-items: center;
            padding: 0.75rem 1rem;
            color: var(--text-color);
            text-decoration: none;
            border-radius: 8px;
            transition: all 0.3s;
            margin-bottom:0.5rem;
        }

        .category-sidebar .category-item:hover {
       
            background: var(--primary-light);
            color: var(--primary-color);
        }
        .category-sidebar .category-item.active{
            background: var(--primary-color);
                color: white;
        }
        .category-sidebar .category-item:hover i{    padding-left:5px;}
.category-sidebar .category-item.active i{
    color: white;

}
        .category-item i {
            margin-right: 0.75rem;
            display:inline-block;
            color: var(--primary-color);   transition: all 0.3s;
        }

   
        /* */
        .category-sidebar .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .category-sidebar .filter-tag {
            font-size: 0.875rem;
            padding: 0.4rem 0.8rem;
        }

        /* ??????????? */
        .search-section {
            background: white;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
        }

        .search-box .input-group {
            border-radius: 30px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .search-box .form-control {
            border: 1px solid var(--border-color);
            padding-left: 1.5rem;
            font-size: 1rem;
        }

        .search-box .form-control:focus {
            box-shadow: none;
            border-color: var(--primary-color);
        }

        .search-box .btn-primary {
            border-radius: 0 30px 30px 0;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        .hot-searches {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .hot-search-tag {
            font-size: 0.875rem;
            color: #666;
            text-decoration: none;
            transition: all 0.3s;
        }

        .hot-search-tag:hover {
            color: var(--primary-color);
        }

        .hot-search-tag:not(:last-child)::after {
            display:block;
            content: "";
            clear:both;
            width: 4px;
            height: 4px;
            border-radius:50%;
            /* margin-left: 0.5rem; */
            background: #ddd;
            position: absolute;
            right: 8px;
            top: 50%;
        }



        /* ?????????????????? */
       

        .hot-searches {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .hot-search-tag {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: all 0.3s;
            font-size: 0.9rem;
            padding-right: 26px;
            position: relative;
        }

        .hot-search-tag:hover {
            color: white;
            transform: translateY(-1px);
        }

        /*.hot-search-tag:not(:last-child)::after {*/
        /*    content: "?";*/
        /*    margin-left: 0.5rem;*/
        /*    color: rgba(255, 255, 255, 0.3);*/
        /*}*/

        /* ????????????????? */
        .search-section {
            display: none;
        }

        /* ????????? */
        .pagination {
            margin-top: 2rem;
            justify-content: center;
            gap: 0.5rem;
        }

        .pagination .page-item {
            margin: 0 2px;
        }

        .pagination .page-link {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            color: var(--text-color);
            background-color: white;
            transition: all 0.3s ease;
            padding: 0;
            font-weight: 500;
            font-size: 1rem;
            position: relative;
            z-index: 1;
        }

        .pagination .page-item:not(.active) .page-link:hover {
            background-color: var(--primary-light);
            color: var(--primary-color);
            border-color: var(--primary-color);
        }

        .pagination .page-item.active .page-link {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: #fff !important;
            box-shadow: 0 4px 10px rgba(13, 144, 132, 0.2);
        }

        .pagination .page-item.disabled .page-link {
            background-color: #f8f9fa;
            color: #6c757d;
            border-color: var(--border-color);
            opacity: 0.5;
        }

        .pagination .page-link i {
            font-size: 0.9rem;
        }
        /* ????????3??¡§???????? */
        .detail-header {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
        }

        .detail-title {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
        }

        .detail-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 1.5rem;
        }

        .detail-meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #666;
        }

        .detail-meta-item i {
            color: var(--primary-color);
            font-size: 1.1rem;
        }

        .detail-status {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .status-urgent {
            background-color: #FFE5E5;
            color: #FF4444;
        }

        .detail-section {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
        }

        .section-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .section-title i {
            color: var(--primary-color);
        }

        .requirement-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin-bottom: 1.5rem;
        }

        .requirement-table th,
        .requirement-table td {
            padding: 1rem;
            border-bottom: 1px solid var(--border-color);
        }

        .requirement-table th {
            font-weight: 500;
            color: #666;
            background: var(--light-bg);
        }

        .requirement-table tr:last-child td {
            border-bottom: none;
        }

        .company-info {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .company-logo {
            width: 64px;
            height: 64px;
            border-radius: 8px;
            object-fit: cover;
        }

        .company-name {
            font-size: 1.1rem;
            font-weight: 500;
            margin-bottom: 0.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .verified-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(13, 144, 132, 0.1);
            color: var(--primary-color);
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .verified-badge i {
            font-size: 0.9rem;
            margin-right: 0.25rem;
        }

        .company-meta {
            color: #666;
            font-size: 0.9rem;
        }

        .contact-info {
            background: var(--light-bg);
            border-radius: 12px;
            padding: 1.5rem;
            margin-top: 1rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
            color: #666;
        }

        .contact-item:last-child {
            margin-bottom: 0;
        }

        .contact-item i {
            color: var(--primary-color);
            font-size: 1.1rem;
        }

        .quote-form {
            background: var(--light-bg);
            border-radius: 12px;
            padding: 1.5rem;
        }

        .form-label {
            font-weight: 500;
            margin-bottom: 0.5rem;
        }

        .timeline {
            position: relative;
            padding-left: 2rem;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 1.5rem;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -2rem;
            top: 0;
            width: 1px;
            height: 100%;
            background: var(--border-color);
        }

        .timeline-item::after {
            content: "";
            position: absolute;
            left: -2.25rem;
            top: 0.5rem;
            width: 0.5rem;
            height: 0.5rem;
            border-radius: 50%;
            background: var(--primary-color);
        }

        .timeline-date {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 0.25rem;
        }

        .timeline-content {
            color: var(--text-color);
        }

        .btn-quote {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            padding: 1rem 2rem;
            border-radius: 30px;
            background: var(--primary-color);
            color: white;
            font-weight: 500;
            box-shadow: 0 5px 20px rgba(13, 144, 132, 0.3);
            transition: all 0.3s;
            z-index: 1020;
        }

        .btn-quote:hover {
            transform: translateY(-2px);
            background: var(--secondary-color);
            color: white;
        }

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

        .attachment-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem;
            background: var(--light-bg);
            border-radius: 8px;
            margin-bottom: 0.75rem;
        }

        .attachment-item i {
            font-size: 1.5rem;
            color: var(--primary-color);
        }

        .attachment-info {
            flex: 1;
        }

        .attachment-name {
            font-weight: 500;
            margin-bottom: 0.25rem;
        }

        .attachment-meta {
            font-size: 0.875rem;
            color: #666;
        }

        .attachment-action {
            color: var(--primary-color);
            text-decoration: none;
        }

        .attachment-action:hover {
            text-decoration: underline;
        }



        /* ???????¡§???????Y???????????? */
        .container {
            margin-top: 0 !important;
        }

 @media (max-width: 767px) {
        .hot-search-tag:not(:last-child)::after {
            display:none;
            
        }
        .category-sidebar {
            padding: 1rem;
        }
        .category-sidebar .category-item{padding:.5rem .75rem;}
         .hot-search-tag{
                 
padding-right: 5px;
         }

 }