/* 左侧标语展示区 */
        .left-panel {
            flex: 1.2;
            background: linear-gradient(135deg, #00A06D 0%, #008c5c 100%);
            color: white;
            padding: 40px 30px;
            position: relative;
            overflow: hidden;
        }
        
        .left-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
            opacity: 0.3;
        }
        
        .slogan {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        
        .subtitle {
            font-size: 16px;
            margin-bottom: 30px;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }
        
        .service-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 14px;
            margin-bottom: 30px;
        }
     
        
         
     
          /* 悬浮广告条样式 */
        .floating-ad {
            position: fixed;
            bottom: 0px;
            left: 0;
            width: 100%;
            background: linear-gradient(90deg, #00A06D 0%, #2a8cff 100%);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
            z-index: 1000;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
            transform: translateX(-100%);
        }
        
        .ad-visible {
            transform: translateX(0);
        }
        
        .ad-hidden {
            transform: translateX(100%);
        }
        
        .ad-content {
            display: flex;
            align-items: center;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        /* 红包插画区域 */
        .redpacket-icon {
            display: flex;
            align-items: center;
            margin-right: 30px;
            flex-shrink: 0;
        }
        
        .redpacket-graphic {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #ff6b6b, #ff8e53);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            box-shadow: 0 4px 8px rgba(255, 107, 107, 0.3);
        }
        
        .redpacket-graphic::before {
            content: "¥";
            color: white;
            font-size: 24px;
            font-weight: bold;
        }
        
        .offer-text {
            color: white;
        }
        
        .offer-text h3 {
            font-size: 18px;
            margin-bottom: 5px;
        }
        
        .offer-text p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            margin-bottom: 0;
        }
        
        /* 表单区域 */
        .ad-form {
            display: flex;
            align-items: center;
            flex-grow: 1;
            justify-content: flex-end;
        }
        
        .input-container {
            position: relative;
            margin-right: 40px;
            flex-grow: 1;
            max-width: 280px;
        }
        
        .phone-input {
            width: 100%;
            padding: 12px 15px;
            border: none;
            border-radius: 6px;
            font-size: 15px;
            background-color: rgba(255, 255, 255, 0.95);
            transition: all 0.3s;
        }
        
        .phone-input:focus {
            outline: none;
            box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
        }
        
        .phone-input::placeholder {
            color: #999;
        }
        
        .submit-btn {
            background: linear-gradient(135deg, #ff7a00, #ff5500);
            color: white;
            border: none;
            border-radius: 6px;
            padding: 12px 30px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            white-space: nowrap;
            box-shadow: 0 4px 10px rgba(255, 122, 0, 0.3);
        }
        
        .submit-btn:hover {
            background: linear-gradient(135deg, #ff8a1a, #ff6600);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(255, 122, 0, 0.4);
        }
        
        .submit-btn:active {
            transform: translateY(0);
        }
        
        /* 协议区域 */
        .agreement {
            display: flex;
            align-items: center;
            margin-right: 20px;
            color: white;
            font-size: 12px;
            white-space: nowrap;
        }
        
        .agreement input {
            margin-right: 6px;
        }
        
        .agreement a {
            color: #a3d0ff;
            text-decoration: none;
        }
        
        .agreement a:hover {
            text-decoration: underline;
        }
        
        /* 关闭按钮 */
        .close-btn {
            position: absolute;
            top: 10px;
            right: 100px;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            z-index: 1001;
        }
        
        .close-btn:hover {
            background-color: rgba(0, 0, 0, 0.3);
            transform: rotate(90deg);
        }
        
        .close-btn::before, .close-btn::after {
            content: '';
            position: absolute;
            width: 12px;
            height: 2px;
            background-color: white;
        }
        
        .close-btn::before {
            transform: rotate(45deg);
        }
        
        .close-btn::after {
            transform: rotate(-45deg);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .ad-content {
                flex-wrap: wrap;
            }
            
            .redpacket-icon {
                margin-bottom: 10px;
                width: 100%;
            }
            
            .ad-form {
                width: 100%;
                flex-wrap: wrap;
            }
            
            .agreement {
                width: 100%;
                margin-top: 10px;
                margin-bottom: 10px;
                justify-content: center;
            }
            
            .input-container {
                max-width: 100%;
                margin-right: 0;
                margin-bottom: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .floating-ad {
                padding: 15px 10px;
            }
            
            .offer-text h3 {
                font-size: 16px;
            }
            
            .offer-text p {
                font-size: 13px;
            }
            
            .submit-btn {
                padding: 12px 20px;
                font-size: 15px;
            }
        }
        
        /* 状态提示 */
        .status-message {
            position: fixed;
            top: 20px;
            right: 20px;
            background: #4CAF50;
            color: white;
            padding: 12px 20px;
            border-radius: 6px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            display: none;
            z-index: 2000;
        }
        
        .status-message.show {
            display: block;
            animation: fadeInOut 3s ease;
        }
        
        @keyframes fadeInOut {
            0% { opacity: 0; transform: translateY(-20px); }
            15% { opacity: 1; transform: translateY(0); }
            85% { opacity: 1; transform: translateY(0); }
            100% { opacity: 0; transform: translateY(-20px); }
        }
        /* 品牌展示模块样式 */
        .brand-showcase {
            display: flex;
            flex-wrap: wrap;
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .brand-container{
         max-width: 1200px;
         margin: 30px auto;
        }
        
       .brand-container h1 {
            text-align: center;
            margin-bottom: 10px;
            color: #222;
        }
        .brand-showcase:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
        }
        
        /* 左侧信息区域 */
        .info-section {
            flex: 1;
            min-width: 300px;
            background-color: #f8f4ee; /* 米色背景 */
            padding: 40px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .info-section h2 {
            font-size: 2.2rem;
            margin-bottom: 15px;
            color: #222;
            font-weight: 700;
        }
        
        .partner-count {
            font-size: 3.5rem;
            font-weight: 800;
            color: #222;
            margin-bottom: 5px;
            line-height: 1;
        }
        
        .partner-text {
            font-size: 1.3rem;
            color: #222;
            margin-bottom: 25px;
        }
        .tidai-section{
             display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            clear:both;
            margin-top: 60px;
             }
        .stats-note {
            color: #666;
            font-size: 1rem;
            max-width: 300px;
        }
        
        /* 右侧品牌展示区域 */
        .brands-section {
            flex: 2;
            min-width: 400px;
            padding: 40px 30px;
            position: relative;
        }
        
        .brands-title {
            font-size: 1.4rem;
            color: #444;
            margin-bottom: 30px;
            font-weight: 600;
        }
        
        .brands-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 25px;
            margin-bottom: 40px;
        }
        
        .brand-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px 15px;
            border-radius: 10px;
             transition: all 0.3s ease;
            cursor: pointer;
            height: 120px;
        }
        
        .brand-item:hover {
            background-color: #fff;
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
        }
        
        .brand-logo {
            height: 40px;
            width: auto;
            max-width: 120px;
            margin-bottom: 12px;
            object-fit: contain;
        }
        
        .brand-name {
            font-size: 0.9rem;
            color: #333;
            font-weight: 600;
            text-align: center;
        }
        
        /* 查看更多按钮 */
        .view-more {
            position: absolute;
            top: 40px;
            right: 30px;
        }
        
        .view-more-btn {
            display: inline-flex;
            align-items: center;
            background-color: #ff6b35; /* 橙色 */
            color: white;
            padding: 10px 20px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }
        
        .view-more-btn:hover {
            background-color: #ff5722;
            transform: translateX(5px);
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.4);
        }
        
        .view-more-btn i {
            margin-left: 8px;
            transition: transform 0.3s ease;
        }
        
        .view-more-btn:hover i {
            transform: translateX(5px);
        }
        
        /* 响应式设计 */
        @media (max-width: 900px) {
            .brand-showcase {
                flex-direction: column;
            }
            
            .view-more {
                position: static;
                margin-top: 20px;
                text-align: center;
            }
            
            .brands-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }
        }
        
        @media (max-width: 600px) {
            .brands-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .info-section h2 {
                font-size: 1.8rem;
            }
            
            .partner-count {
                font-size: 2.8rem;
            }
            
            .brands-section, .info-section {
                padding: 30px 20px;
            }
        }
        
        /* 品牌颜色定义 */
        .brand-1 { color: #2a5caa; } /* JiDC */
        .brand-2 { color: #e31e25; } /* UMW */
        .brand-3 { color: #00a0e9; } /* PANDUIT泛达 */
        .brand-4 { color: #f8b62d; } /* XKB星坤 */
        .brand-5 { color: #7a6aad; } /* Connection */
        .brand-6 { color: #e2231a; } /* WAGO */
        .brand-7 { color: #f8b62d; } /* Honeywell */
        .brand-8 { color: #1cbbb4; } /* YXC */
        .brand-9 { color: #2a5caa; } /* 首韩 */
        .brand-10 { color: #e31e25; } /* 华灿天禄 */
        
        .footer-note {
            text-align: center;
            margin-top: 40px;
            color: #888;
            font-size: 0.9rem;
        }
        
        
        
        
        
        
        
        
        
.tidai-container {
    display: flex;
    min-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* 左侧绿色区域样式 */
.left-panel {
    width: 40%;
background: linear-gradient(135deg, #163147 0%, #e8ffe8 100%);
color: white;
    padding: 60px 50px;
    position: relative;
    overflow: hidden;
}

.left-panel .content-wrapper {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.main-title {
    font-size: 36px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: 1px;
}

.subtitle {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 50px;
    font-weight: 300;
}

.stats-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.stat-item {
    text-align: center;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
 }

.stat-number {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.stat-text {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 300;
}

.accuracy-info {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.accuracy-badge, .response-time {
    padding: 12px 25px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 25px;
    font-size: 16px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.recommend-section {
    margin-bottom: 40px;
    flex: 1;
}

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

.brand-carousel {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
     border: 1px solid rgba(255, 255, 255, 0.15);
    min-height: 120px;
    display: flex;
     
    overflow: hidden;
    height: 150px;
    width: 100%;
}

.carousel-placeholder {
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
}

.brand-intro {
    font-size: 14px;
    opacity: 0.8;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: 300;
}

/* 右侧白色区域样式 */
.right-panel {
    width: 60%;
    background: white;
    padding: 60px 50px;
    display: flex;
    flex-direction: column;
}

.panel-title {
    font-size: 32px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.panel-subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
    font-weight: 300;
}

.search-section {
    margin-bottom: 50px;
}

.search-container {
    display: flex;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e8e8e8;
    overflow: hidden;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.search-container:focus-within {
    box-shadow: 0 4px 25px rgba(26, 140, 26, 0.15);
    border-color: #1a8c1a;
}

.search-input {
    flex: 1;
    padding: 20px 25px;
    border: none;
    font-size: 16px;
    outline: none;
    color: #333;
    background: white;
}

.search-input::placeholder {
    color: #999;
    font-weight: 300;
}

.search-btn {
    padding: 0 40px;
    background: #dbb61e;
    color: white;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.search-btn:hover {
    background: #0d6e0d;
}

.search-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.search-tip {
    font-size: 14px;
    color: #888;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 300;
}

.tip-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231a8c1a'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

/* 产品详情区域 */
.product-display {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    border: 1px solid #e8e8e8;
}

.display-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.product-detail {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-item {
    display: flex;
    align-items: center;
    min-height: 40px;
}

.detail-label {
    width: 100px;
    font-size: 15px;
    color: #666;
    font-weight: 500;
    flex-shrink: 0;
}

.detail-value {
    flex: 1;
    font-size: 15px;
    color: #333;
    padding: 8px 0;
    min-height: 20px;
    font-weight: 600;
    color: #1a8c1a;
    font-size: 16px;
    max-width: 268px;
    padding: 15px;
    background-color: #ececec;
}

#modelValue {
    font-weight: 600;
    color: #1a8c1a;
    font-size: 16px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        flex-direction: column;
    }
    
    .left-panel, .right-panel {
        width: 100%;
        padding: 40px 30px;
    }
    
    .stats-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 28px;
    }
    .nav-items{
        display: none;
    }
    .panel-title {
        font-size: 24px;
    }
    
    .search-container {
        flex-direction: column;
    }
    
    .search-input, .search-btn {
        width: 100%;
        padding: 18px 20px;
    }
    
    .search-btn {
        justify-content: center;
    }
}
/* 整体容器 - 白色背景 */
.bom-container-row {
display: flex;
     width: 100%;
    max-width: 1200px;
    margin: 30px auto;
    padding: 0px;
    background: #fff;
 }

/* 列通用样式 */
.bom-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 30px;
}

/* 第一列样式 */
.bom-col-1 {
    border-right: 1px solid #f0f0f0;
    padding-right: 20px;
}

.smart-bom-intro h2 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #00A06D;
}

.bom-description {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 30px;
}

/* 统计数据样式 */
.bom-stats {
display: flex;
    flex-direction: row;
    gap: 5px;
    margin-top: auto;
}

.stat-item {
    text-align: left;
    padding-bottom: 15px;
 }

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

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: #00A06D;
    margin-bottom: 5px;
    line-height: 1.2;
}

.stat-label {
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

/* 第二列样式 */
.bom-col-2 {
    padding: 0 20px;
    border-right: 1px solid #f0f0f0;
}

.upload-box {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.upload-header {
text-align: center;
    margin-bottom: 25px;
    display: flex;
    align-content: center;
    align-items: center;
    justify-content: center;
}

.upload-icon {
    font-size: 40px;
    color: #00A06D;
     display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.upload-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.upload-tips {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 30px;
    padding: 0 10px;
}
.upload-tips a {
    background: #00A06D;
    padding: 5px 8px;
    color: #fff;
    margin-left: 10px;
}

/* 文件上传区域 */
.file-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
    padding: 30px 20px;
    border: 2px dashed #ddd;
    background: #fafafa;
    transition: all 0.3s ease;
    position: relative;
    margin-top: 60px;
}

.file-upload-area:hover {
    border-color: #00A06D;
    background: #f0f7ff;
}

.file-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
}

.upload-btn-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.upload-btn {
    background: #00A06D;
    color: white;
    padding: 12px 50px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
    min-width: 180px;
}

.upload-btn:hover {
    background: #0d6eff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(22, 119, 255, 0.3);
}

.no-file {
    font-size: 13px;
    color: #999;
    font-style: italic;
}

/* 第三列样式 */
.bom-col-3 {
    padding-left: 20px;
}

.handleBox {
    margin-bottom: 0;
}

.input-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e0e0e0;
}

.input-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    display: block;
}

.bom-textarea {
    width: 90%;
    min-height: 120px;
    padding: 20px;
    border: 2px solid #e0e0e0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background: #f9f9f9;
    resize: vertical;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.bom-textarea:focus {
    outline: none;
    border-color: #00A06D;
    box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
    background: #fff;
}

.bom-textarea::placeholder {
    color: #999;
    font-family: 'Consolas', 'Monaco', monospace;
}

.input-footer {
    display: flex;
    justify-content: flex-end;
}

.process-btn {
    background: #00A06D;
    color: white;
    padding: 12px 40px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: inline-block;
}

.process-btn:hover {
    color: white;
    background: #0d6eff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(22, 119, 255, 0.3);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .bom-container-row {
        flex-direction: column;
        gap: 30px;
    }
    
    .bom-col {
        width: 100%;
    }
    
    .bom-col-1,
    .bom-col-2 {
        border-right: none;
        border-bottom: 1px solid #f0f0f0;
        padding-right: 0;
        padding-bottom: 30px;
    }
    
    .bom-col-3 {
        padding-left: 0;
    }
}

@media (max-width: 768px) {
    .bom-container-row {
        padding: 20px;
    }
    
    .bom-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    .stat-item {
        flex: 0 0 30%;
        min-width: 120px;
    }
    
    .upload-btn {
        padding: 10px 30px;
        min-width: 150px;
    }
    
    .bom-textarea {
        min-height: 180px;
    }
}

/* 左侧导航区域 - 垂直居中固定 */
        .left-nav {
            position: fixed;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 80px;
            background-color: #fff;
            box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
            z-index: 1000;
        }
       #floor-2,#floor-3,#floor-4,#floor-5, #floor-6{
          width: 1200px;
        }
            /* 添加拖放区域高亮样式 */
            .file-upload-area.highlight {
                border: 2px dashed #00a06d;
                background-color: rgba(0, 160, 109, 0.1);
            }
        /* 橙色装饰条 */
        .nav-decorator {
            position: absolute;
            right: 0;
            top: 0;
            width: 8px;
            height: 100%;
            background-color: #FF6B35;
        }

        .nav-title {
            padding: 20px 15px 10px;
            font-size: 16px;
            font-weight: bold;
            color: #333;
            border-bottom: 1px solid #eee;
        }

        .nav-items {
            list-style: none;
            padding: 0;
        }

        .nav-item {
            padding: 12px 15px;
            margin:  0;
            color: #333;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            display: flex;
            align-items: center;
        }

        /* 默认状态 - 白色背景 */
        .tidai-section-logo>ul li {
            display: grid;
            /* 使用 grid 布局 */
            place-items: center;
            /* 水平和垂直居中 */
            height: 150px;
            width: 100%;
            overflow: hidden;
            /* 防止图片溢出 */
        }

        .tidai-section-logo>ul li img {
            width: auto;
            height: auto;
            max-width: 90%;
            /* 留出放大空间 */
            max-height: 90%;
            object-fit: contain;
            transition: all 0.3s ease;
        }

        .tidai-section-logo>ul li:hover img {
            transform: scale(1.1);
        }

        .tidai-section-logo>ul {
            list-style: none;
            margin: 0;
            padding: 0;
            height: 200px;
            /* 根据需要调整容器高度 */
            position: relative;
        }

        /* 滚动容器 */
        .tidai-section-logo ul {
            display: flex;
            flex-direction: column;
            animation: scrollUp 10s linear infinite;
        }

        /* 鼠标悬停时停止动画 */
        .tidai-section-logo>ul:hover {
            animation-play-state: paused;
        }

        /* 关键帧动画 - 从下往上滚动 */
        @keyframes scrollUp {
            0% {
                transform: translateY(0);
            }

            100% {
                transform: translateY(-100%);
            }
        }

        /* 为每个li设置基本样式 */
        .tidai-section-logo>ul li {
            width: 100%;
            height: 100px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .tidai-section-logo>ul li img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }

        /* 最后一个元素的特殊样式 */
        .tidai-section-logo>ul li.lastDl {
            /* 保持原有样式 */
        }