/* 基础全局样式 */
    body {
        font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        line-height: 1.6;
        color: #333;
        background-color: #f9f9fa;
        margin: 0;
        padding: 0;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* 顶部标题区域 */
    .project-header {
        text-align: center;
        padding: 60px 0 40px;
        background-color: #fff;
        border-bottom: 1px solid #eaeaea;
    }

    .project-header h1 {
        font-size: 32px;
        color: #1a1a1a;
        margin-bottom: 15px;
    }

    .project-header p {
        color: #666;
        max-width: 850px;
        margin: 0 auto;
        font-size: 16px;
    }

    /* 核心解决方案区块 */
    .solutions-section {
        padding: 60px 0;
    }

    .section-title {
        text-align: center;
        font-size: 28px;
        margin-bottom: 50px;
        color: #1a1a1a;
        position: relative;
    }

    .section-title::after {
        content: '';
        display: block;
        width: 60px;
        height: 3px;
        background-color: #cc0000;
        margin: 15px auto 0;
    }

    /* 图文交替排版 */
    .feature-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 60px;
        background: #fff;
        padding: 40px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    }

    .feature-row.reverse {
        flex-direction: row-reverse;
    }

    .feature-text {
        flex: 1;
        padding: 0 40px;
    }

    .feature-text h3 {
        font-size: 22px;
        color: #cc0000;
        margin-bottom: 15px;
    }

    .feature-text p {
        margin-bottom: 15px;
        color: #555;
        text-align: justify;
    }

    .feature-text .highlight {
        font-weight: bold;
        color: #1a1a1a;
    }

    .feature-image {
        flex: 1;
        text-align: center;
    }

    /* 图片尺寸统一 */
    .feature-image img {
        width: 100%;
        aspect-ratio: 4 / 3;
        object-fit: cover;
        display: block;
        border-radius: 6px;
        box-shadow: 0 6px 16px rgba(0,0,0,0.1);
        transition: transform 0.3s ease;
    }

    .feature-image img:hover {
        transform: scale(1.02);
    }

    /* 交付价值区域 */
    .value-section {
        background-color: #f0f2f5;
        color: #2c3e50;
        padding: 60px 0;
        border-top: 1px solid #e1e4e8;
    }

    .value-section .section-title {
        color: #1a1a1a;
    }

    .value-section .section-title::after {
        background-color: #4a5568;
    }

    .value-grid {
        display: flex;
        justify-content: space-between;
        gap: 30px;
    }

    .value-card {
        background: #ffffff;
        padding: 35px 30px;
        border-radius: 8px;
        flex: 1;
        box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
        border: 1px solid #e2e8f0;
    }

    .value-card h4 {
        font-size: 18px;
        margin-bottom: 15px;
        border-bottom: 1px solid #edf2f7;
        padding-bottom: 12px;
        color: #1a202c;
    }

    .value-card p {
        font-size: 15px;
        line-height: 1.7;
        color: #4a5568;
        margin: 0;
    }

    /* 响应式适配 */
    @media (max-width: 768px) {
        .feature-row,
        .feature-row.reverse {
            flex-direction: column;
            padding: 20px;
        }

        .feature-text {
            padding: 0 0 20px 0;
        }

        .value-grid {
            flex-direction: column;
        }

        .project-header h1 {
            font-size: 26px;
        }

        .section-title {
            font-size: 24px;
        }
    }