/* 通用布局 - 所有内容区域（除了Hero Banner）都使用这个类 */
.section-container {
    padding-left: 100px;
    padding-right: 100px;
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    box-sizing: border-box;
}

/* Hero Banner样式 */
.scada-hero {
    position: relative;
    width: 100%;
    height: 751px;
    overflow: hidden;
}

.scada-hero-bg {
    position: absolute;
    width: 100%;
    height: 130%;
    object-fit: cover;
    filter: brightness(0.8);
}

.scada-hero-content {
    position: absolute;
    bottom: 100px;
    left: 100px;
    color: white;
    z-index: 2;
}

.scada-hero-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.6);
    color: #fff;
}

.scada-hero-subtitle {
    font-size: 24px;
    max-width: 800px;
    line-height: 1.5;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.6);
    color: #fff;
}

/* SAP专业运维内容样式 */
.operations-section {
    padding: 50px 0;
    background: #fff;
}

.operations-title {
    font-size: 36px;
    font-weight: bold;
    color: #000;
    text-align: center;
    margin-bottom: 40px;
}

.operations-content {
    margin: 0 auto;
    padding: 0 20px;
}

.operations-text {
    font-size: 18px;
    line-height: 1.8;
    color: #000;
    margin-bottom: 20px;
    text-align: justify;
    text-indent: 2em;
}

.operations-text:last-child {
    margin-bottom: 0;
}

@media screen and (max-width: 768px) {
    .operations-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .operations-text {
        font-size: 16px;
        line-height: 1.6;
    }
}

.service-diagram {
    margin: 40px 0;
    text-align: center;
}

.service-img {
    width: 100%;
    max-width: 1500px;
    height: auto;
    display: block;
    margin: 0 auto;
}

@media screen and (max-width: 768px) {
    .service-diagram {
        margin: 30px 0;
    }
}

/* 企业数字化运营部分 */
.digital-operations {
    padding-bottom: 100px;
    background: #fff;
}

.digital-title {
    font-size: 36px;
    font-weight: bold;
    color: #000;
    text-align: center;
    margin-bottom: 40px;
}

.digital-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    max-width: 1500px;
    margin: 0 auto;
}

.digital-img {
    flex: 0 0 60%;
    display: flex;
    justify-content: center;
}

.digital-img img {
    width: 80%;
    height: auto;
    display: block;
}

.digital-features {
    flex: 0 0 35%;
    padding-top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.digital-features p {
    font-size: 18px;
    line-height: 1.8;
    color: #000;
    margin-bottom: 38px;
}

/* 添加勾号和文字之间的间距 */
.digital-features p ✓ {
    margin-right: 10px;  /* 在勾号后添加间距 */
}

/* 使用伪元素方式处理勾号，更可控 */
.digital-features p {
    padding-left: 30px;  /* 为勾号预留空间 */
    position: relative;
}

.digital-features p::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #000;
}

.digital-features p:last-child {
    margin-bottom: 0;
}

@media screen and (max-width: 1200px) {
    .digital-content {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .digital-img, .digital-features {
        flex: 0 0 100%;
    }

    .digital-features {
        padding: 0 20px;
    }
}

@media screen and (max-width: 768px) {
    .digital-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .digital-features p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 20px;
    }
}

/* 移动端适配（手机端） */
@media screen and (max-width: 768px) {
    /* 通用布局调整 */
    .section-container {
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Hero Banner移动端适配 */
    .scada-hero {
        height: 400px;
    }

    .scada-hero-bg {
        height: 100%;
    }

    .scada-hero-content {
        bottom: 50px;
        left: 15px;
        right: 15px;
    }

    .scada-hero-title {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .scada-hero-subtitle {
        font-size: 16px;
        max-width: 100%;
        line-height: 1.6;
    }

    /* SAP专业运维内容样式 */
    .operations-section {
        padding: 30px 0;
    }

    .operations-title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .operations-content {
        padding: 0;
    }

    .operations-text {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 15px;
    }

    .service-diagram {
        margin: 20px -15px;
    }

    .service-img {
        width: 100%;
        padding: 0 15px;
    }

    /* 企业数字化运营部分 */
    .digital-operations {
        padding-bottom: 40px;
    }

    .digital-title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .digital-content {
        flex-direction: column;
        gap: 30px;
    }

    .digital-img {
        flex: none;
        width: 100%;
    }

    .digital-img img {
        width: 100%;
    }

    .digital-features {
        flex: none;
        width: 100%;
        padding: 0;
    }

    .digital-features p {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 15px;
        padding-left: 25px;
    }

    .digital-features p::before {
        font-size: 14px;
    }
}

/* 小屏手机适配 */
@media screen and (max-width: 375px) {
    .scada-hero {
        height: 300px;
    }

    .scada-hero-title {
        font-size: 24px;
    }

    .scada-hero-subtitle {
        font-size: 14px;
    }

    .operations-title,
    .digital-title {
        font-size: 20px;
    }

    .operations-text,
    .digital-features p {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .service-diagram {
        margin: 15px -15px;
    }
}

/* 横屏适配 */
@media screen and (max-width: 768px) and (orientation: landscape) {
    .scada-hero {
        height: 450px;
    }

    .digital-content {
        flex-direction: row;
        align-items: flex-start;
        gap: 20px;
    }

    .digital-img {
        flex: 0 0 50%;
    }

    .digital-features {
        flex: 0 0 45%;
    }

    .service-diagram {
        margin: 30px 0;
    }

    .service-img {
        max-width: 90%;
        margin: 0 auto;
    }
}

/* 优化图片加载 */
.service-img,
.digital-img img {
    max-width: 100%;
    height: auto;
    display: block;
}