/* 期刊展示区域 */
.journals-section {
    margin-bottom: 60px;
}

.journals-content {
    background: white;
    padding: 50px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

/* 分类标签栏 */
.category-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.category-tab {
    padding: 10px 25px;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    color: var(--light-text);
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.category-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(0, 102, 255, 0.05);
}

.category-tab.active {
    border-color: var(--primary-color);
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.journals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.journal-item {
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    background: white;
    padding: 15px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.journal-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.journal-cover {
    width: 100%;
    height: 240px;
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.journal-item:hover .journal-cover {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e0 100%);
}

.journal-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.4;
}

.search-box {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    margin: 40px 0;
    box-shadow: var(--shadow-md);
    position: relative;
}

.search-box h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-color);
}

.search-box p {
    font-size: 16px;
    color: var(--light-text);
    margin-bottom: 24px;
}

.search-input-group {
    display: flex;
    justify-content: center;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    flex: 1;
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius-md);
    font-size: 16px;
    transition: var(--transition-normal);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.search-btn {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: var(--border-radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 服务内容区域 */
.services-section {
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-color);
    letter-spacing: -0.5px;
    text-align: center;
}

.section-subtitle {
    font-size: 16px;
    color: var(--light-text);
    margin-bottom: 40px;
    text-align: center;
}

.services-content {
    background: white;
    padding: 50px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 0;
}

.service-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-sm);
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    margin: 0 auto 16px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.service-item:hover .service-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.service-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 分类标签栏 */
    .category-tabs {
        gap: 10px;
        margin-bottom: 20px;
    }
    
    .category-tab {
        padding: 8px 18px;
        font-size: 14px;
    }
    
    /* 期刊展示区域 */
    .journals-content {
        padding: 30px 20px;
    }
    
    .journals-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 15px;
    }
    
    .journal-cover {
        height: 180px;
        font-size: 48px;
    }
    
    .journal-title {
        font-size: 13px;
    }
    
    /* 搜索框 */
    .search-box {
        padding: 25px 20px;
    }
    
    .search-box h3 {
        font-size: 20px;
    }
    
    .search-box p {
        font-size: 14px;
    }
    
    .search-input-group {
        flex-direction: column;
        gap: 10px;
        padding: 0 10px;
    }
    
    .search-input {
        padding: 14px 18px;
        font-size: 14px;
    }
    
    .search-btn {
        padding: 14px 24px;
        font-size: 14px;
        width: 100%;
        max-width: 200px;
        margin: 0 auto;
    }
    
    /* 服务内容区域 */
    .services-content {
        padding: 30px 20px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 14px;
        margin-bottom: 30px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .service-item {
        padding: 20px 15px;
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .service-name {
        font-size: 14px;
    }
    
    /* 服务保障区域 */
    .guarantee-content {
        padding: 30px 20px;
    }
    
    .guarantee-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .guarantee-item {
        padding: 20px 15px;
    }
    
    .guarantee-icon {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    /* 期刊展示区域 */
    .journals-content {
        padding: 20px 15px;
    }
    
    .journals-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 12px;
    }
    
    .journal-cover {
        height: 150px;
        font-size: 40px;
    }
    
    .journal-title {
        font-size: 12px;
    }
    
    /* 搜索框 */
    .search-box {
        padding: 20px 15px;
    }
    
    .search-box h3 {
        font-size: 18px;
    }
    
    /* 服务内容区域 */
    .services-content {
        padding: 25px 15px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .service-item {
        padding: 15px 10px;
    }
    
    .service-icon {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .service-name {
        font-size: 13px;
    }
    
    /* 服务保障区域 */
    .guarantee-content {
        padding: 20px 15px;
    }
    
    .guarantee-item {
        padding: 15px 10px;
    }
    
    .guarantee-icon {
        font-size: 24px;
    }
}

/* 服务保障区域 */
.guarantee-section {
    margin-bottom: 60px;
}

.guarantee-content {
    background: white;
    padding: 50px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.guarantee-item {
    text-align: center;
    padding: 25px 15px;
    background: white;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-sm);
}

.guarantee-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.guarantee-icon {
    font-size: 32px;
    margin-bottom: 12px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.guarantee-item:hover .guarantee-icon {
    transform: scale(1.1);
}

.guarantee-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.guarantee-item:hover .guarantee-name {
    color: var(--primary-color);
}

.guarantee-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.guarantee-detail-item {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-sm);
}

.guarantee-detail-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.guarantee-detail-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    margin-top: 0;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.guarantee-detail-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.guarantee-detail-content p {
    font-size: 14px;
    color: var(--light-text);
    line-height: 1.7;
}

/* 服务流程区域 */
.process-section {
    margin-bottom: 60px;
}

.process-content {
    background: white;
    padding: 50px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.process-steps {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 40px 0;
    flex-wrap: wrap;
    align-items: center;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.3s ease;
    flex: 1;
    max-width: 150px;
    position: relative;
}

.process-step:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.process-step:hover .step-number {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.step-name {
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.process-step:hover .step-name {
    color: var(--primary-color);
}

/* 流程连接线 */
.process-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: #e2e8f0;
}

/* 底部联系信息 */
.contact-info {
    margin-bottom: 60px;
}

.contact-content {
    background: white;
    padding: 50px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.contact-item {
    text-align: center;
    transition: all 0.3s ease;
    padding: 20px;
}

.contact-item:hover {
    transform: translateY(-3px);
}

.contact-label {
    font-size: 14px;
    color: var(--light-text);
    margin-bottom: 8px;
}

.contact-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.contact-btn {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 600;
    margin-top: 12px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .process-step:not(:last-child)::after {
        display: none;
    }
    
    .journals-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 15px;
    }
    
    .journal-cover {
        height: 140px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guarantee-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .process-steps {
        gap: 10px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .journals-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .journal-cover {
        height: 120px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
}