/* 项目介绍 */
.project-intro {
    max-width: 1000px;
    margin: 0 auto;
    padding: 240px 20px 160px;
    text-align: center;
}

.project-label {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    display: inline-block;
    letter-spacing: 0.5px;
}

.project-title {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 48px;
    line-height: 1.1;
    color: #000;
    letter-spacing: -1px;
}

/* 段落文本基础样式 */
p {
    margin: 0;
    padding: 0;
    color: #666;
    line-height: 1.6;
}

/* 项目介绍段落 */
.project-subtitle {
    font-size: 18px;
    line-height: 1.6;
    max-width: 680px;
    margin: 0 auto;
    letter-spacing: -0.2px;
    color: #666;
    font-weight: 400;
}

/* 项目信息 */
.project-info {
    margin: 0 auto;
    padding: 0px 20px 0px 20px;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    margin-bottom: 120px;
    background: #fff;
}

.info-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: #fff;
}

.meta-item {
    padding: 32px 48px;
    position: relative;
}

.meta-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 48px;
    bottom: 48px;
    width: 1px;
    background: #eee;
}

.meta-item h3 {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.meta-item p {
    font-size: 20px;
    color: #000;
    font-weight: 500;
    letter-spacing: -0.2px;
}

/* 项目展示图 */
.project-showcase {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0px 0px;
}

.project-image img {
    width: 100%;
    height: auto;
    border-radius: 30px;
}

/* 通用部分标题样式 */
.section-title {
    font-size: 32px;
    font-weight: 700;
    color: #000;
    margin-bottom: 50px;
    text-align: left;
    letter-spacing: -0.5px;
}

/* 内容区域通用样式 */
.features-section,
.tech-section,
.results-section {
    max-width: 760px;
    margin: 200px auto;
    padding: 0 20px;
}

/* 功能列表 */
.features-list {
    list-style-position: outside;
    padding-left: 32px;
    margin: 0;
}

.features-list li {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 32px;
    letter-spacing: -0.2px;
    color: #666;
    font-weight: 400;
}

/* 技术标签 */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.tech-tag {
    font-size: 16px;
    color: #000;
    padding: 16px 32px;
    background: rgb(240, 240, 240);
    border-radius: 100px;
    font-weight: 500;
    letter-spacing: -0.2px;
}

/* 功能展示图 */
.features-image {
    max-width: 1200px;
    margin: 160px auto;
    padding: 0 20px;
    text-align: center;
}

.features-image img {
    max-width: 100%;
    height: auto;
    border-radius: 30px;
}

/* 项目成果 */
.content-title {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

/* 项目成果段落 */
.content-title p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 20px;
    letter-spacing: -0.2px;
    color: #666;
    font-weight: 400;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 80px;
    border-top: 1px solid #eee;
    padding-top: 80px;
}

.stat-item {
    position: relative;
}

.stat-label {
    font-size: 16px;
    color: #666;
    line-height: 1.4;
    margin-bottom: 20px;
    letter-spacing: -0.2px;
}

.stat-number {
    font-size: 64px;
    font-weight: 700;
    color: #000;
    line-height: 1;
    letter-spacing: -1px;
}

/* 更多案例研究 */
.more-projects {
    background: #f9f9f9;
    padding: 160px 0;
    position: relative;
}

.more-projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1200px;
    height: 1px;
}

.more-projects-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.more-projects-header {
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.more-projects h3 {
    font-size: 28px;
    font-weight: 700;
    color: #000;
    letter-spacing: -0.5px;
    margin: 0;
}

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

.case-item {
    text-decoration: none;
    color: inherit;
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 48px;
}

.case-item:hover {
    transform: translateY(-8px);
    background: #fff;
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.08);
}

.case-date {
    font-size: 13px;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
    display: block;
}

.case-title {
    font-size: 32px;
    line-height: 1.2;
    font-weight: 600;
    color: #000;
    margin: 0 0 16px;
    transition: color 0.3s ease;
    padding-bottom: 20px;
}

.case-desc {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 32px;
    letter-spacing: -0.2px;
    color: #666;
}

.read-more {
    display: inline-flex;
    align-items: center;
    font-size: 15px;
    font-weight: 600;
    color: #000;
    transition: all 0.3s ease;
}

.read-more span {
    display: inline-block;
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.case-item:hover .read-more span {
    transform: translateX(6px);
}

.case-item:hover .case-title {
    color: #000;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .project-intro {
        padding: 180px 20px 100px;
    }

    .project-title {
        font-size: 56px;
    }

    .project-subtitle,
    .features-list li,
    .content-title p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .stat-number {
        font-size: 56px;
    }

    .case-title {
        font-size: 28px;
    }

    .info-wrapper {
        grid-template-columns: 1fr;
        border-radius: 20px;
    }

    .meta-item {
        padding: 40px;
    }

    .meta-item:not(:last-child)::after {
        top: auto;
        bottom: 0;
        right: 40px;
        left: 40px;
        width: auto;
        height: 1px;
    }

    .cases-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 60px;
        margin: 80px 0;
        padding-top: 80px;
    }

    .features-section,
    .tech-section,
    .results-section {
        margin: 160px auto;
        padding: 0 20px;
    }

    .more-projects {
        padding: 100px 0;
    }

    .more-projects-header {
        margin-bottom: 48px;
    }

    .more-projects h3 {
        font-size: 28px;
        font-weight: 700;
    }

    .cases-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .case-item {
        padding: 32px;
    }

    .case-title {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .case-desc {
        font-size: 15px;
        margin-bottom: 24px;
    }

    .case-date {
        margin-bottom: 16px;
    }

    .content-title p {
        font-size: 18px;
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .more-projects {
        padding: 80px 0;
    }

    .more-projects h3 {
        font-size: 28px;
        font-weight: 700;
    }

    .case-item {
        padding: 24px;
    }

    .project-subtitle,
    .features-list li,
    .content-title p {
        font-size: 15px;
    }

    .case-desc {
        font-size: 14px;
        margin-bottom: 20px;
    }
}