/* 页面标题区域 */
        .page-header {
            background: var(--gradient-primary);
            padding: 80px 0 50px;
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .page-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 800px;
            height: 800px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
        }
        
        .page-header h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }
        
        .page-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
            opacity: 0.9;
        }
        
        /* 搜索和筛选区域 */
        .filters-section {
            background: white;
            padding: 30px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            position: sticky;
            top: 80px;
            z-index: 900;
        }
        
        .filters-container {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
        }
        
        .search-box {
            flex: 1;
            min-width: 300px;
            position: relative;
        }
        
        .search-box input {
            width: 100%;
            padding: 14px 20px 14px 10px;
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .search-box input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(76, 201, 240, 0.2);
        }
        
        .search-box i {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray);
        }
        
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .filter-btn {
            /*padding: 10px 20px;*/
            background: var(--light);
            border: 1px solid var(--light-gray);
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-btn a{
            display: inline-flex;
    /* padding: 12px 28px; */
    padding: 10px 20px;
            color: black;
        }
        .filter-btn:hover, .filter-btn.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        .filter-btn:hover a, .filter-btn.active a{
           
            color: white;
     
        }
        .filter-btn.active i {
            transform: rotate(180deg);
        }
        
        .sort-select {
            padding: 10px 20px;
            border: 1px solid var(--light-gray);
            border-radius: 8px;
            background: white;
            font-family: inherit;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .sort-select:focus {
            border-color: var(--accent);
            outline: none;
        }
        
        /* 交易大厅内容 - 列表样式 */
        .trading-hall {
            padding: 40px 0 80px;
        }
        
        .list-header {
            display: grid;
            grid-template-columns: 3fr 1fr 1fr 250px;
            padding: 15px 20px;
            background: var(--primary);
            color: white;
            border-radius: 8px 8px 0 0;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .demand-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .demand-item {
            background: white;
            border-radius: 8px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            overflow: hidden;
            border-left: 4px solid var(--accent);
            display: grid;
            grid-template-columns: 3fr 1fr 1fr 250px;
            align-items: center;
            padding: 20px;
            position: relative;
        }
        .jiedanbt{
                margin-left: 55px;
    /* width: 100px; */
    height: 45px;
    margin-top: 10px;
        }
        .demand-item:hover {
            transform: translateX(5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
        }
        
        .demand-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, rgba(67, 97, 238, 0.03) 0%, transparent 100%);
            opacity: 0;
            transition: var(--transition);
            z-index: 0;
        }
        
        .demand-item:hover::before {
            opacity: 1;
        }
        
        .item-content {
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        
        .demand-title {
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .status-badge {
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            position: relative;
            overflow: hidden;
        }
        
        .status-badge::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            z-index: 0;
            border-radius: 20px;
        }
        
        .status-new {
            background: var(--accent);
            color: white;
        }
        
        .status-inprogress {
            background: var(--warning);
            color: white;
        }
        
        .status-completed {
            background: var(--success);
            color: white;
        }
        
        .demand-description {
            color: var(--gray);
            font-size: 0.95rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            max-width: 90%;
        }
        
        .skills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .skill-tag {
            background: var(--light);
            color: var(--dark);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--light-gray);
            transition: var(--transition);
        }
        
        .skill-tag:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        
        .meta-info {
            display: flex;
            flex-direction: column;
            gap: 8px;
            position: relative;
            z-index: 1;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        .meta-item i {
            color: var(--primary);
            min-width: 18px;
        }
        
        /* 专家信息样式优化 */
        .expert-info {
            display: flex;
            align-items: center;
            gap: 10px;
            position: relative;
            z-index: 1;
           
            border-radius: 8px;
            
            transition: var(--transition);
         
        }
        
        .expert-info:hover {
            background: rgba(67, 97, 238, 0.1);
            transform: translateY(-3px);
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        
        .expert-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            border: 2px solid var(--accent);
            box-shadow: 0 2px 8px rgba(76, 201, 240, 0.3);
            transition: var(--transition);
        }
        
        .expert-info:hover .expert-avatar {
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(76, 201, 240, 0.4);
        }
        
        .expert-name {
            font-weight: 600;
            font-size: 1rem;
            color: var(--dark);
        }
        
        .expert-rating {
            display: flex;
            gap: 3px;
            margin-top: 3px;
            align-items: center;
        }
        
        .expert-rating i {
            color: #ffc107;
            font-size: 0.85rem;
        }
        
        .expert-rating span {
            font-size: 0.85rem;
            color: var(--gray);
            margin-left: 5px;
        }
        
        .budget-container {
            display: flex;
            flex-direction: column;
            gap: 5px;
            position: relative;
            z-index: 1;
        }
        
        .budget-label {
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        .budget-amount {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--success);
            position: relative;
            padding-left: 8px;
        }
        
        .budget-amount::before {
            content: '¥';
            position: absolute;
            left: -10px;
            font-size: 0.9rem;
            top: 4px;
            color: var(--success);
        }
        
        .action-buttons {
            display: flex;
            gap: 10px;
            position: relative;
            z-index: 1;
        }
        
        .guarantee-badge {
            position: absolute;
            top: 1px;
            right: 15px;
            background: var(--success);
            color: white;
            padding: 6px 12px;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 5px;
            z-index: 2;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(46, 196, 182, 0.4); }
            70% { box-shadow: 0 0 0 8px rgba(46, 196, 182, 0); }
            100% { box-shadow: 0 0 0 0 rgba(46, 196, 182, 0); }
        }
        
        .progress-container {
            width: 100%;
            height: 6px;
            background: var(--light-gray);
            border-radius: 10px;
            overflow: hidden;
            margin-top: 10px;
            position: relative;
        }
        
        .progress-fill {
            height: 100%;
            border-radius: 10px;
            position: relative;
            transition: width 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
        }
        
        .progress-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            animation: shimmer 2s infinite;
        }
        
        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }
        
        .progress-new {
            background: var(--accent);
            width: 30%;
        }
        
        .progress-inprogress {
            background: var(--warning);
            width: 65%;
        }
        
        .progress-completed {
            background: var(--success);
            width: 100%;
        }
     /* 分页控件 */
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 50px;
            gap: 10px;
        }
        a{
            text-decoration: none;
        }
        .page-btn {
            text-decoration: none;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: white;
            border: 1px solid var(--light-gray);
            color: var(--dark);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .page-btn:hover, .page-btn.active {
            text-decoration: none;
            background: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        .page-btn i {
            font-size: 0.9rem;
        }
        
      
         /* 新增按钮样式 */
        .btn-publish {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            background: linear-gradient(135deg, #ff6b6b, #ff8e53);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn-publish::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #ff8e53, #ff6b6b);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }
        
        .btn-publish:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
        }
        
        .btn-publish:hover::before {
            opacity: 1;
        }
        
        .btn-publish i {
            margin-right: 8px;
            font-size: 18px;
        }
        
        .btn-publish-container {
            text-align: center;
      
            position: relative;
        }
        
        .btn-publish-container::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(to right, transparent, #ddd, transparent);
        }
        
        /* 按钮浮动动画 */
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-8px); }
            100% { transform: translateY(0px); }
        }
        
        .btn-publish {
            text-decoration: none;
            animation: float 3s ease-in-out infinite;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .btn-publish {
                padding: 10px 20px;
                font-size: 14px;
            }
        }
        .zuozhecss{
            width: 42px;
    height: 42px;
        }
        /* 按钮悬停效果增强 */
        .btn-publish:hover {
            animation: none;
        }
        
        /* 新增项目按钮 */
        .fixed-publish-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #ff6b6b, #ff8e53);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .fixed-publish-btn:hover {
            transform: scale(1.1) rotate(90deg);
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
        }
        
        .fixed-publish-btn i {
            font-size: 24px;
        }
        
        /* 导航栏按钮样式调整 */
        .nav-buttons {
            display: flex;
            gap: 10px;
            margin-left: 20px;
        }
        
        .nav-buttons .btn-publish {
            padding: 8px 16px;
            font-size: 14px;
            box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
        }
        
        @media (max-width: 992px) {
            .nav-buttons {
                display: none;
            }
        }
        
        
         /* 移动端搜索按钮样式 */
        .mobile-search-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary);
            color: white;
            display: none;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 15px rgba(67, 97, 238, 0.4);
            z-index: 1000;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .mobile-search-btn:hover {
            background: var(--secondary);
            transform: scale(1.1);
        }
        
        .mobile-search-btn i {
            font-size: 1.5rem;
        }
        
        /* 移动端搜索面板 */
        .mobile-search-panel {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: white;
            padding: 25px 20px;
            border-radius: 20px 20px 0 0;
            box-shadow: 0 -5px 20px rgba(0,0,0,0.15);
            z-index: 999;
            transform: translateY(100%);
            transition: transform 0.4s ease-out;
            max-height: 90vh;
            overflow-y: auto;
        }
        
        .mobile-search-panel.active {
            transform: translateY(0);
        }
        
        .panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--light-gray);
        }
        
        .panel-header h2 {
            font-size: 1.4rem;
            color: var(--dark);
        }
        
        .close-panel {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--gray);
            cursor: pointer;
            transition: color 0.3s ease;
        }
        
        .close-panel:hover {
            color: var(--danger);
        }
        
        .mobile-search-box {
            position: relative;
            margin-bottom: 20px;
        }
        
        .mobile-search-box input {
            width: 100%;
            padding: 15px 20px 15px 55px;
            border: 2px solid var(--light-gray);
            border-radius: 10px;
            font-size: 1rem;
            background: #f9fbff;
        }
        
        .mobile-search-box i {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray);
            font-size: 1.2rem;
        }
        
        .mobile-filter-group {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 20px;
        }
        
        .mobile-filter-btn {
     
            background: var(--light);
            border: 1px solid var(--light-gray);
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 500;
        }
        .mobile-filter-btn a{
                display: inline-flex;
    padding: 12px;
            color:black;
       
           
        }
        
        .mobile-filter-btn.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        .mobile-filter-btn.active a{

            color: white;
   
        }
        .mobile-sort-select {
            width: 100%;
            padding: 12px 20px;
            border: 1px solid var(--light-gray);
            border-radius: 8px;
            background: #f9fbff;
            font-family: inherit;
            font-size: 1rem;
            cursor: pointer;
        }
        
        .search-action {
            margin-top: 20px;
        }
        
        .search-action .btn {
            width: 100%;
            padding: 15px;
            font-size: 1.1rem;
        }
        
        /* 搜索面板背景遮罩 */
        .panel-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.6);
            z-index: 998;
            display: none;
        }
        .search-icon-btn:hover {
            color: var(--secondary-color);
            transform: scale(1.1);
        }
        .panel-overlay.active {
            display: block;
        }
        /* 修复按钮点击时出现边框的问题 */
        .search-icon-btn:focus {
            outline: none;
            box-shadow: none;
        }
        .search-icon-btn{
             /* padding-top: 25px; */
    /* padding-right: 25px; */
    padding-bottom: 25px;
    padding-left: 15px;
    position: absolute;
    right: 45px;
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
    /* padding: 25px; */
    padding-top: 25px;
        }
        .no-data-container {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 50px 20px;
    text-align: center;
    box-shadow: var(--box-shadow);
    margin: 20px 0;
}
.no-data-icon {
    font-size: 5rem;
    color: #e0e0e0;
    margin-bottom: 20px;
}
.no-data-title {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 15px;
    font-weight: 600;
}
.no-data-description {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 30px;
}
.btn-explore {
    margin-right: 15px;
    /* display: inline-block; */
    background-color: var(--primary);
    color: white;
    padding: 12px 12px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(67, 97, 238, 0.3);
}
.features-section {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}
.feature-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    width: 250px;
    transition: var(--transition);
}
@media (max-width: 768px){
.features-section {
    flex-direction: column;
    align-items: center;
}
.feature-card {
    width: 100%;
    max-width: 350px;
}
}
          /* 响应式设计 */
        @media (max-width: 991px) {
            .filters-container {
                flex-direction: column;
                align-items: stretch;
            }
            .mobile-search-btn{
                display: flex;
            }
            .search-box {
                min-width: 100%;
            }
            
            .list-header {
                display: none;
            }
            .item-content{
                margin-top: 15px;
            }
            .titlemobile{
              width: 80%;  
            }
            .demand-item {
                    margin-bottom: 10px;
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .action-buttons {
                justify-content: flex-end;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
              /* 在移动端隐藏顶部搜索区域 */
            .filters-section {
                display: none;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                z-index: 100;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links li {
                margin: 10px 0;
                width: 100%;
                margin-left: 0;
            }
            
            .nav-links a {
                display: block;
                padding: 12px 0;
                text-align: center;
                width: 100%;
            }
            
            .page-header h1 {
                font-size: 2.2rem;
            }
            
            .nav-buttons {
                display: none;
            }
        }
        
        @media (max-width: 576px) {
            .page-header {
                display: none;
                padding: 60px 0 30px;
            }
            
            .page-header h1 {
                font-size: 1.8rem;
            }
            
            .page-header p {
                font-size: 1rem;
            }
            
            .filter-group {
                flex-direction: column;
            }
            
            .filter-btn, .sort-select {
                width: 100%;
                justify-content: center;
            }
            
            .action-buttons {
                flex-direction: column;
                gap: 8px;
            }
            
            .btn {
                margin-left: 0px;
                width: 100%;
            }
        }