/* 采购服务页面样式 */

/* 页面标题区域 */
.page-header {
    background: linear-gradient(135deg, var(--primary), #001a33);
    color: white;
    padding: 80px 0 40px;
    text-align: center;
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 服务优势部分 */
.advantages-section {
    padding: 20px 0 50px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 20px;
}

.advantage-card {
    background: white;
    border-radius: 10px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--gold);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.advantage-icon i {
    font-size: 30px;
}

.advantage-card h3 {
    margin-bottom: 10px;
    color: var(--primary);
}

.advantage-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 服务展示区域 */
.services-section {
    background-color: #f8f9fa;
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
}

.category-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.category-btn {
    padding: 8px 15px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.category-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.category-btn:hover:not(.active) {
    background: #f0f0f0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 30px;
}

.service-card {
    display: flex;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.service-image {
    width: 40%;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-info {
    width: 60%;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.service-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.service-description {
    color: #666;
    margin-bottom: 15px;
    font-size: 0.9rem;
    line-height: 1.5;
    flex-grow: 1;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.feature-tag {
    font-size: 0.8rem;
    background: #f0f4f8;
    color: #444;
    padding: 4px 10px;
    border-radius: 15px;
    display: inline-flex;
    align-items: center;
}

.feature-tag i {
    color: var(--primary);
    margin-right: 5px;
    font-size: 0.7rem;
}

.service-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.min-order {
    font-size: 0.9rem;
    color: #666;
}

.min-order span {
    font-weight: bold;
    color: #333;
}

.inquire-btn {
    background: var(--cta, #ff6b35);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.inquire-btn:hover {
    background-color: #e55a28;
    transform: translateY(-2px);
}

/* 采购流程部分 */
.process-section {
    padding: 60px 0;
    background: white;
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    height: 4px;
    background: #e0e0e0;
    z-index: 1;
}

.process-step {
    position: relative;
    width: calc(100% / 6 - 20px);
    text-align: center;
    z-index: 2;
}

.step-number {
    width: 30px;
    height: 30px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 15px;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: white;
    border: 4px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.step-icon i {
    font-size: 24px;
    color: var(--primary);
}

.process-step h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.process-step p {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.5;
}

/* 成功案例部分 */
.case-studies-section {
    background: #f8f9fa;
    padding: 60px 0;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.case-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.case-image {
    height: 200px;
    overflow: hidden;
}

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

.case-content {
    padding: 20px;
}

.case-content h3 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.case-description {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
    font-size: 0.95rem;
}

.case-result {
    display: flex;
    gap: 20px;
}

.result-item {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: #333;
    font-weight: 500;
}

.result-item i {
    color: var(--cta, #ff6b35);
    margin-right: 5px;
}

.clients-wall {
    text-align: center;
    margin-top: 50px;
}

.clients-wall h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #333;
}

.client-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.client-logo {
    width: 120px;
    height: 60px;
    padding: 10px;
    background: white;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.client-logo:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* 联系咨询部分 */
.contact-section {
    padding: 60px 0;
    background: white;
}

.contact-wrapper {
    display: flex;
    gap: 40px;
    background: #f8f9fa;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.contact-info {
    flex: 1;
    padding: 40px;
    background: linear-gradient(135deg, var(--primary), #001a33);
    color: white;
}

.contact-info h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
}

.contact-method {
    margin-top: 40px;
}

.method-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.method-item i {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.contact-form {
    flex: 1.5;
    padding: 40px;
    background: white;
}

.contact-form h3 {
    font-size: 1.4rem;
    margin-bottom: 25px;
    color: var(--primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: #666;
}

input, select, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

textarea {
    resize: vertical;
}

.submit-btn {
    background: var(--cta, #ff6b35);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: #e55a28;
}

/* FAQ部分 */
.faq-section {
    background: #f8f9fa;
    padding: 60px 0;
}

.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
    color: #333;
}

.toggle-icon {
    width: 24px;
    height: 24px;
    background: #f0f0f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-icon i {
    font-size: 12px;
    color: #666;
}

.faq-answer {
    padding: 0 20px 20px;
    display: none;
}

.faq-answer p {
    margin: 0;
    line-height: 1.6;
    color: #666;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        flex-wrap: wrap;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .process-step {
        width: calc(50% - 20px);
        margin-bottom: 30px;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .service-card {
        flex-direction: column;
    }
    
    .service-image, .service-info {
        width: 100%;
    }
    
    .service-image {
        height: 200px;
    }
    
    .process-step {
        width: 100%;
    }
    
    .advantage-card {
        padding: 20px 15px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
    }
    
    .advantage-icon i {
        font-size: 24px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

@media (max-width: 576px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .category-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .category-btn {
        width: 80%;
    }
    
    .client-logos {
        gap: 20px;
    }
    
    .client-logo {
        width: 100px;
        height: 50px;
    }
    
    .contact-info, .contact-form {
        padding: 30px 20px;
    }
}