/* ===== 认证体系列表页 ===== */
.cert-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 50px;
    padding: 32px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #F0F4F8;
}

.cert-intro-text h2 {
    font-size: 24px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 16px;
}

.cert-intro-text p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 16px;
}

.cert-intro-image {
    /* background: #E8F0FE; */
    border-radius: 8px;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cert-intro-image .placeholder {
    font-size: 80px;
    color: #2E6DB4;
    opacity: 0.8;
}

.cert-intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 体系列表 */
.cert-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cert-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #F0F4F8;
    transition: all 0.3s;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.cert-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(27,58,107,0.12);
    border-color: #E8F0FE;
}

.cert-card-img {
    height: 200px;
    background: #E8F0FE;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cert-card-img .placeholder {
    font-size: 56px;
    color: #2E6DB4;
    opacity: 0.8;
}

.cert-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    margin: 0;
}

.cert-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cert-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 10px;
    transition: color 0.3s;
}

.cert-card:hover .cert-card-body h3 {
    color: #2E6DB4;
}

.cert-card-body p {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.cert-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.cert-card-tags span {
    font-size: 12px;
    color: #2E6DB4;
    background: #E8F0FE;
    padding: 2px 8px;
    border-radius: 4px;
}

.cert-card-link {
    font-size: 14px;
    color: #2E6DB4;
    font-weight: 500;
}

/* ===== 认证体系详情页 ===== */
.cert-detail-header {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #F0F4F8;
}

.cert-detail-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 16px;
    line-height: 1.4;
}

.cert-detail-header .summary {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

.cert-detail-header .cert-badge {
    background: #E8F0FE;
    border-radius: 8px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.cert-detail-header .cert-badge .icon {
    font-size: 64px;
    width: auto;
    height: auto;
    margin-bottom: 16px;
}

.cert-detail-header .cert-badge .standard {
    font-size: 20px;
    font-weight: 700;
    color: #1B3A6B;
    margin-bottom: 8px;
}

.cert-detail-header .cert-badge .code {
    font-size: 14px;
    color: #666;
}

.cert-section {
    margin-bottom: 40px;
}

.cert-section img {
    max-width: 100%;
}

.cert-section h2 {
    font-size: 22px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #F0F4F8;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cert-section p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 16px;
}

.cert-section ul {
    padding-left: 24px;
    margin-bottom: 16px;
}

.cert-section li {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 8px;
}

/* 认证范围网格 */
.scope-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.scope-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: #F8FAFC;
    border-radius: 6px;
}

.scope-item .icon {
    font-size: 20px;
    width: auto;
    height: auto;
    flex-shrink: 0;
}

.scope-item h4 {
    font-size: 15px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 4px;
}

.scope-item p {
    font-size: 13px;
    color: #888;
    margin-bottom: 0;
    line-height: 1.5;
}

/* 流程步骤 */
.process-steps {
    display: flex;
    gap: 16px;
    counter-reset: step;
    flex-wrap: wrap;
}

.process-step {
    flex: 1;
    min-width: 160px;
    background: #F8FAFC;
    border-radius: 8px;
    padding: 24px 20px;
    text-align: center;
    position: relative;
}

.process-step::before {
    counter-increment: step;
    content: counter(step);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #2E6DB4;
    color: #fff;
    border-radius: 50%;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
}

.process-step h4 {
    font-size: 15px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 13px;
    color: #888;
    margin-bottom: 0;
    line-height: 1.5;
}

/* 证书样本 */
.certificate-sample {
    background: #F8FAFC;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    border: 1px dashed #E8F0FE;
}

.certificate-sample .placeholder {
    font-size: 80px;
    color: #2E6DB4;
    opacity: 0.8;
    margin-bottom: 16px;
}

.certificate-sample h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 8px;
}

.certificate-sample p {
    font-size: 14px;
    color: #888;
    margin-bottom: 0;
}

/* 下载资料 */
.cert-downloads {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: #F8FAFC;
    border-radius: 6px;
    transition: background 0.3s;
}

.download-item:hover {
    background: #E8F0FE;
}

.download-item .info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.download-item .info .icon {
    font-size: 24px;
    width: auto;
    height: auto;
}

.download-item .info h4 {
    font-size: 15px;
    font-weight: 500;
    color: #333;
}

.download-item .info p {
    font-size: 13px;
    color: #999;
    margin-bottom: 0;
}

.download-item .btn {
    padding: 8px 20px;
    font-size: 13px;
}

@media (max-width: 1024px) {
    .cert-intro {
        grid-template-columns: 1fr;
    }
    .cert-list {
        grid-template-columns: repeat(2, 1fr);
    }
    .cert-detail-header {
        grid-template-columns: 1fr;
    }
    .scope-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .cert-list {
        grid-template-columns: 1fr;
    }
    .process-steps {
        flex-direction: column;
    }
    .download-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}