/* ==== 页面标题区域 ==== */
.page-banner {
    background-color: #f5f7fa;
    background-image: linear-gradient(135deg, rgba(24, 144, 255, 0.1) 0%, rgba(24, 144, 255, 0.05) 100%);
    padding: 120px 0 60px;
    text-align: center;
}

.page-banner__title {
    font-size: 2.5rem;
    color: #222;
    margin-bottom: 15px;
    font-weight: 700;
}

.page-banner__breadcrumb {
    font-size: 1rem;
    color: #777;
}

.page-banner__breadcrumb a {
    color: #1890ff;
}

.page-banner__breadcrumb a:hover {
    text-decoration: underline;
}

/* ==== 案例概述 ==== */
.cases-overview__content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.cases-overview__text {
    flex: 1;
}

.cases-overview__text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
}

.cases-overview__text p:last-child {
    margin-bottom: 0;
}

.cases-overview__image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.cases-overview__image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.cases-overview__image:hover img {
    transform: scale(1.03);
}

/* ==== 筛选标签 ==== */
.cases-filter {
    padding-top: 0;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.filter-tab {
    padding: 10px 20px;
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 30px;
    font-size: 1rem;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    background-color: rgba(24, 144, 255, 0.1);
    border-color: #1890ff;
    color: #1890ff;
}

.filter-tab--active {
    background-color: #1890ff;
    border-color: #1890ff;
    color: #fff;
}

/* ==== 案例卡片 ==== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-card__image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.case-card:hover .case-card__image img {
    transform: scale(1.1);
}

.case-card__category {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: rgba(24, 144, 255, 0.9);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.case-card__content {
    padding: 25px;
}

.case-card__title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
    transition: color 0.3s ease;
}

.case-card:hover .case-card__title {
    color: #1890ff;
}

.case-card__summary {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
    height: 85px;
    overflow: hidden;
}

.case-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f0f0f0;
    padding-top: 15px;
}

.case-card__date {
    font-size: 0.9rem;
    color: #888;
}

.case-card__link {
    color: #1890ff;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.case-card__link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.case-card__link:hover i {
    transform: translateX(5px);
}

/* ==== 项目流程 ==== */
.process-flow {
    display: flex;
    justify-content: space-between;
    position: relative;
    flex-wrap: wrap;
    padding: 20px 0;
}

.process-flow::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: rgba(24, 144, 255, 0.2);
    z-index: 0;
}

.process-item {
    position: relative;
    flex: 0 0 16%;
    text-align: center;
    padding: 0 10px;
    z-index: 1;
}

.process-item__icon {
    width: 80px;
    height: 80px;
    background-color: #1890ff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
    box-shadow: 0 5px 15px rgba(24, 144, 255, 0.3);
}

.process-item__title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.process-item__desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* ==== 客户评价 ==== */
.testimonials-slider {
    display: flex;
    gap: 30px;
    margin-top: 20px;
}

.testimonial-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    flex: 1;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-card__content {
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.testimonial-card__content::before {
    content: '\201C';
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 4rem;
    color: rgba(24, 144, 255, 0.1);
    font-family: Georgia, serif;
}

.testimonial-card__text {
    font-size: 1.05rem;
    color: #555;
    line-height: 1.8;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
}

.testimonial-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
}

.testimonial-card__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-card__name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.testimonial-card__position {
    font-size: 0.9rem;
    color: #777;
}

/* ==== 联系咨询 ==== */
.contact-box {
    background: linear-gradient(135deg, #1890ff, #0c7cd5);
    border-radius: 12px;
    overflow: hidden;
    color: #fff;
    padding: 50px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(24, 144, 255, 0.3);
}

.contact-box__content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-box__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-box__desc {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.contact-box .btn--primary {
    background-color: #fff;
    color: #1890ff;
}

.contact-box .btn--primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

/* ==== 响应式样式 ==== */
@media (max-width: 1200px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .page-banner {
        padding: 100px 0 50px;
    }

    .page-banner__title {
        font-size: 2.2rem;
    }

    .cases-overview__content {
        flex-direction: column-reverse;
        gap: 40px;
    }

    .process-flow::before {
        display: none;
    }

    .process-item {
        flex: 0 0 33.33%;
        margin-bottom: 40px;
    }

    .testimonials-slider {
        flex-direction: column;
    }

    .testimonial-card {
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .page-banner {
        padding: 90px 0 40px;
    }

    .page-banner__title {
        font-size: 2rem;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .filter-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 15px;
        justify-content: flex-start;
    }

    .filter-tab {
        white-space: nowrap;
        flex: 0 0 auto;
    }

    .process-item {
        flex: 0 0 50%;
    }

    .contact-box {
        padding: 40px 30px;
    }

    .contact-box__title {
        font-size: 1.7rem;
    }
}

@media (max-width: 576px) {
    .page-banner {
        padding: 85px 0 35px;
    }

    .page-banner__title {
        font-size: 1.8rem;
    }

    .process-item {
        flex: 0 0 100%;
        margin-bottom: 30px;
    }

    .contact-box {
        padding: 30px 20px;
    }

    .contact-box__title {
        font-size: 1.5rem;
    }
}

/* ==== 案例详情页样式 ==== */
.case-detail {
    padding: 60px 0;
}

.case-detail__header {
    margin-bottom: 30px;
}

.case-detail__title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 15px;
}

.case-detail__meta {
    display: flex;
    align-items: center;
    gap: 20px;
    color: #666;
}

.case-detail__category {
    background-color: rgba(24, 144, 255, 0.1);
    color: #1890ff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.case-detail__date {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.case-detail__date::before {
    content: '\f073';
    font-family: 'Font Awesome 5 Free';
    margin-right: 8px;
    color: #1890ff;
}

.case-detail__banner {
    margin-bottom: 40px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.case-detail__banner img {
    width: 100%;
    height: auto;
    display: block;
}

.case-detail__content {
    max-width: 1000px;
    margin: 0 auto;
}

.case-detail__section {
    margin-bottom: 50px;
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
}

.case-detail__section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
}

.case-detail__section-title i {
    color: #1890ff;
    margin-right: 12px;
    font-size: 1.4rem;
}

.case-detail__section-content {
    color: #444;
    font-size: 1.05rem;
    line-height: 1.8;
}

.case-detail__section-content p {
    margin-bottom: 15px;
}

.case-detail__section-content h4 {
    font-size: 1.2rem;
    color: #333;
    margin: 25px 0 15px;
    font-weight: 600;
}

.case-detail__list {
    padding-left: 20px;
}

.case-detail__list li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 15px;
}

.case-detail__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #1890ff;
}

/* 技术亮点 */
.tech-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.tech-highlight {
    display: flex;
    gap: 15px;
    background-color: #f9fafc;
    padding: 20px;
    border-radius: 8px;
}

.tech-highlight__icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background-color: rgba(24, 144, 255, 0.1);
    color: #1890ff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.4rem;
}

.tech-highlight__content {
    flex: 1;
}

.tech-highlight__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.tech-highlight__desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
}

/* 项目成效 */
.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.result-item {
    display: flex;
    gap: 20px;
    background-color: #f9fafc;
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid #1890ff;
}

.result-item__icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background-color: rgba(24, 144, 255, 0.1);
    color: #1890ff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 1.5rem;
}

.result-item__content {
    flex: 1;
}

.result-item__title {
    font-size: 1rem;
    color: #555;
    margin-bottom: 8px;
}

.result-item__value {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1890ff;
    margin-bottom: 10px;
}

.result-item__desc {
    font-size: 0.9rem;
    color: #777;
}

/* 客户反馈 */
.testimonial {
    background-color: #f9fafc;
    border-radius: 10px;
    padding: 30px;
}

.testimonial__content {
    position: relative;
    padding: 20px 0;
}

.testimonial__quote {
    color: rgba(24, 144, 255, 0.2);
    font-size: 2.5rem;
    position: absolute;
    top: 0;
    left: 0;
}

.testimonial__text {
    font-size: 1.1rem;
    color: #444;
    line-height: 1.8;
    font-style: italic;
    padding-left: 40px;
}

.testimonial__author {
    margin-top: 20px;
    display: flex;
    align-items: center;
    padding-left: 40px;
}

.testimonial__author-info {
    flex: 1;
}

.testimonial__author-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.testimonial__author-position {
    font-size: 0.9rem;
    color: #777;
}

/* 相关案例 */
.related-cases {
    padding: 80px 0;
    background-color: #f5f7fa;
}

.related-cases__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.case-card--small .case-card__image {
    height: 180px;
}

.case-card--small .case-card__summary {
    display: none;
}

.no-related {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    padding: 30px;
}

/* CTA区域 */
.cta-section {
    padding: 80px 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 30px;
}

/* 响应式样式 */
@media (max-width: 992px) {
    .tech-highlights,
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .related-cases__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .case-detail__title {
        font-size: 1.8rem;
    }
    
    .case-detail__section {
        padding: 25px;
    }
    
    .testimonial__text {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .case-detail__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .result-item {
        flex-direction: column;
        gap: 15px;
    }
    
    .related-cases__grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 1.7rem;
    }
}