/* ===== Hero Banner ===== */
.dt-hero {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.dt-hero-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.dt-hero-content {
    position: absolute;
    bottom: 80px;
    left: 100px;
    color: #fff;
    z-index: 2;
}

.dt-hero-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 18px;
    color: #fff;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

.dt-hero-subtitle {
    font-size: 28px;
    color: #fff;
    text-shadow: 1px 1px 6px rgba(0,0,0,0.5);
}

/* ===== 介绍区 ===== */
.dt-intro {
    padding: 50px 0 40px;
    background: #fff;
}

.dt-intro-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.dt-intro-text {
    flex: 1;
}

.dt-intro-heading {
    font-size: 30px;
    font-weight: bold;
    color: #1a5fa8;
    margin-bottom: 24px;
}

.dt-intro-text p {
    font-size: 25px;
    line-height: 2.2;
    color: #333;
    text-align: justify;
    margin: 0;
}

.dt-intro-image {
    flex: 1;
    flex-shrink: 0;
}

.dt-intro-image img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
}

/* ===== 分割线 ===== */
.dt-divider {
    border: none;
    border-top: 2px solid #ddd;
    margin: 0 100px;
}


.dt-features {
    padding: 50px 0;
    background: #fff;
}

.dt-features-title-img {
    display: block;
    width: auto;
    height: auto;
    margin-left: -5px;
    margin-bottom: 20px;
}

.dt-features-content-img {
    display: block;
    width: 100%;
    height: auto;
}

/* ===== 平台价值 ===== */
.dt-value {
    padding: 50px 0;
    background: #fff;
}

.dt-value-title-img {
    display: block;
    width: auto;
    height: auto;
}

.dt-value-devices {
    display: flex;
    align-items: flex-end;
    margin-bottom: 30px;
}

.dt-device-desktop {
    width: 65%;
    height: auto;
    position: relative;
    margin-left: -45px;
    z-index: 1;
}

.dt-device-laptop {
    width: 57%;
    height: auto;
    position: relative;
    z-index: 2;
    margin-left: -20%;
    margin-bottom: 10px;
}

.dt-value-list-img {
    display: block;
    width: 100%;
    height: auto;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .dt-intro-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    /* Hero */
    .dt-hero {
        height: 240px;
    }

    .dt-hero-content {
        left: 15px;
        bottom: 20px;
        right: 15px;
    }

    .dt-hero-title {
        font-size: 20px;
        margin-bottom: 8px;
    }

    .dt-hero-subtitle {
        font-size: 13px;
    }

    /* 介绍区 */
    .dt-intro {
        padding: 30px 0 20px;
    }

    .dt-intro-content {
        flex-direction: column;
        gap: 20px;
    }

    .dt-intro-heading {
        font-size: 20px;
        margin-bottom: 14px;
    }

    .dt-intro-text p {
        font-size: 15px;
        line-height: 1.9;
    }

    /* 分割线 */
    .dt-divider {
        margin: 0 15px;
    }

    /* 核心功能 */
    .dt-features {
        padding: 30px 0;
    }

    .dt-features-title-img {
        max-width: 35%;
    }

    .dt-value-title-img {
        max-width: 80%;
        margin-bottom: 20px;
    }

    .dt-value-devices {
        flex-direction: row;
        align-items: flex-end;
        margin-bottom: 20px;
    }

    .dt-device-desktop {
        width: 65%;
        margin-left: 0;
    }

    .dt-device-laptop {
        width: 50%;
        margin-left: -15%;
        margin-bottom: 0;
        margin-top: 0;
        align-self: flex-end;
    }

    /* 隐藏右侧咨询浮窗 */
    /* #mc_aside {
        display: none !important;
    } */
}

/* 通用容器 */
.section-container {
    padding-left: 100px;
    padding-right: 100px;
    max-width: 1920px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .section-container {
        padding-left: 15px;
        padding-right: 15px;
    }
}