/* 产品认证页面专用样式 */
:root {
    --cert-primary-blue: #1e69b8;
    --cert-secondary-blue: #0d4f8c;
    --cert-light-blue: #e8f1fa;
    --cert-mid-blue: #bfd8ed;
    --cert-gray: #f4f7fb;
    --cert-dark-gray: #555;
    --cert-text-color: #444;
}

/* 认证页面公共样式 */
.cert-page-section {
    margin-bottom: 40px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.cert-section-title {
    position: relative;
    padding: 18px 25px;
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    color: #333;
    background-color: var(--cert-light-blue);
    border-bottom: 2px solid var(--cert-mid-blue);
}

.cert-section-title::after {
    content: "";
    position: absolute;
    left: 25px;
    bottom: -2px;
    width: 80px;
    height: 2px;
    background-color: var(--cert-primary-blue);
}

/* 认证介绍区域样式 */
.cert-page-intro {
    display: flex;
    padding: 30px;
    gap: 30px;
}

.cert-page-image {
    flex: 0 0 320px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.cert-page-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.cert-page-text {
    flex: 1;
}

.cert-page-text p {
    margin-bottom: 18px;
    line-height: 1.8;
    color: var(--cert-text-color);
    font-size: 16px;
}

.cert-page-text p:last-child {
    margin-bottom: 0;
}

/* 认证流程区域样式 */
.cert-page-process {
    padding: 30px;
}

.cert-page-steps {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin-top: 20px;
}

/* 流程连接线 */
.cert-page-steps::before {
    content: "";
    position: absolute;
    top: 37px;
    left: 80px;
    right: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--cert-mid-blue), var(--cert-primary-blue) 50%, var(--cert-mid-blue));
    z-index: 0;
}

.cert-page-step {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 175px;
    background-color: #fff;
    border-radius: 8px;
    padding: 25px 15px 20px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    z-index: 1;
}

.cert-page-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.cert-step-number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cert-primary-blue), var(--cert-secondary-blue));
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(30, 105, 184, 0.3);
    transition: all 0.3s ease;
}

.cert-page-step:hover .cert-step-number {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(30, 105, 184, 0.4);
}

.cert-step-content {
    flex: 1;
}

.cert-step-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--cert-primary-blue);
    margin-bottom: 12px;
}

.cert-step-desc {
    color: var(--cert-dark-gray);
    font-size: 14px;
    line-height: 1.5;
}

/* 技术标准区域样式 */
.cert-page-standard {
    padding: 30px;
}

.cert-page-standard > p {
    margin-bottom: 20px;
    font-size: 16px;
    color: var(--cert-text-color);
}

.cert-standard-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.cert-standard-item {
    flex: 0 0 calc(50% - 10px);
    background-color: var(--cert-gray);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.cert-standard-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    background-color: #fff;
}

.cert-standard-item h4 {
    color: var(--cert-primary-blue);
    margin-bottom: 12px;
    font-size: 18px;
}

.cert-standard-item p {
    color: var(--cert-dark-gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.cert-download-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 15px;
    background-color: var(--cert-light-blue);
    color: var(--cert-primary-blue);
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cert-download-btn i {
    margin-right: 6px;
}

.cert-download-btn:hover {
    background-color: var(--cert-primary-blue);
    color: #fff;
}

/* 已认证产品区域样式 */
.cert-page-products {
    padding: 30px;
}

.cert-filter {
    background-color: var(--cert-gray);
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.cert-filter-label {
    font-weight: 600;
    color: #333;
    margin-right: 15px;
}

.cert-filter a {
    display: inline-block;
    padding: 6px 15px;
    margin: 5px;
    background-color: #fff;
    color: var(--cert-dark-gray);
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.cert-filter a:hover {
    background-color: var(--cert-light-blue);
    color: var(--cert-primary-blue);
}

.cert-filter a.active {
    background-color: var(--cert-primary-blue);
    color: #fff;
}

.cert-product-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 30px;
}

.cert-product-item {
    display: flex;
    background-color: var(--cert-gray);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.cert-product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.cert-product-image {
    flex: 0 0 240px;
    overflow: hidden;
}

.cert-product-info {
    flex: 1;
    padding: 25px;
}

.cert-product-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--cert-primary-blue);
    margin-bottom: 15px;
}

.cert-product-meta {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.cert-meta-item {
    flex: 0 0 50%;
    margin-bottom: 10px;
    color: var(--cert-dark-gray);
    font-size: 14px;
}

.cert-meta-item i {
    color: var(--cert-primary-blue);
    margin-right: 8px;
}

.cert-product-features {
    padding-top: 10px;
    border-top: 1px solid var(--cert-mid-blue);
}

.cert-product-features p {
    color: var(--cert-text-color);
    line-height: 1.7;
    font-size: 15px;
}

.cert-pagination {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.cert-pagination a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    margin: 0 5px;
    border-radius: 4px;
    background-color: #fff;
    color: var(--cert-dark-gray);
    text-decoration: none;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.cert-pagination a:hover {
    background-color: var(--cert-light-blue);
    color: var(--cert-primary-blue);
}

.cert-pagination a.active {
    background-color: var(--cert-primary-blue);
    color: #fff;
}

/* 申请认证区域样式 */
.cert-page-apply {
    padding: 30px;
}

.cert-page-apply > p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 25px;
    color: var(--cert-text-color);
}

.cert-apply-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.cert-btn-primary,
.cert-btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 12px 25px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cert-btn-primary {
    background-color: var(--cert-primary-blue);
    color: #fff;
}

.cert-btn-primary:hover {
    background-color: var(--cert-secondary-blue);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(30, 105, 184, 0.2);
}

.cert-btn-secondary {
    background-color: var(--cert-light-blue);
    color: var(--cert-primary-blue);
}

.cert-btn-secondary:hover {
    background-color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.cert-btn-primary i,
.cert-btn-secondary i {
    margin-right: 8px;
    font-size: 16px;
}

.cert-contact-box {
    background-color: var(--cert-gray);
    border-radius: 8px;
    padding: 20px 25px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
}

.cert-contact-box h4 {
    color: var(--cert-primary-blue);
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 600;
}

.cert-contact-box p {
    margin-bottom: 10px;
    color: var(--cert-dark-gray);
    font-size: 15px;
}

.cert-contact-box p i {
    width: 20px;
    color: var(--cert-primary-blue);
    margin-right: 10px;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .cert-page-steps::before {
        display: none;
    }
    
    .cert-page-step {
        width: calc(33.33% - 20px);
    }
    
    .cert-standard-item {
        flex: 0 0 100%;
    }
}

@media (max-width: 991px) {
    .cert-page-intro {
        flex-direction: column;
    }
    
    .cert-page-image {
        flex: 0 0 auto;
        max-width: 100%;
        margin-bottom: 25px;
    }
    
    .cert-page-step {
        width: calc(50% - 15px);
    }
    
    .cert-product-item {
        flex-direction: column;
    }
    
    .cert-product-image {
        flex: 0 0 auto;
        height: 200px;
    }
    
    .cert-meta-item {
        flex: 0 0 100%;
    }
}

@media (max-width: 767px) {
    .cert-page-intro {
        padding: 20px;
    }
    
    .cert-page-process,
    .cert-page-standard,
    .cert-page-products,
    .cert-page-apply {
        padding: 20px;
    }
    
    .cert-page-step {
        width: 100%;
        max-width: 250px;
    }
    
    .cert-section-title {
        padding: 15px 20px;
        font-size: 20px;
    }
    
    .cert-apply-buttons {
        flex-direction: column;
    }
    
    .cert-filter {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cert-filter-label {
        margin-bottom: 10px;
    }
}