.main-banner .left-content .introduction {
    width: 473px;
}

.main-banner .left-content h2 {
    font-size: 84px;
    font-weight: 700;
    color: #FE541F;
    line-height: 146px;
    letter-spacing: 12px;
    display: inline-block;
    margin: 0 auto;
    border-bottom: 2px solid #1F2326;
}

.main-banner .left-content h1 {
    margin: 24px 0 44px;
    font-size: 20px;
    line-height: 40px;
    color: #1F2326;
    font-weight: 600;
}

/* our-services */
.our-services {
    background: linear-gradient(to bottom,
            transparent 0%,
            transparent calc(100% - 154px),
            rgba(31, 35, 38, 1) calc(100% - 154px),
            rgba(31, 35, 38, 1) 100%) right,
        linear-gradient(to bottom,
            rgba(248, 248, 248, 1) 0%,
            rgba(248, 248, 248, 1) calc(100% - 154px)) right;
            background-size: 50% 100%;
            background-repeat: no-repeat;
            overflow: hidden;
}

.our-services .container .services-bg .gray {
    background-color: rgba(248, 248, 248, 1);
    height: calc(100% - 154px);
}

.our-services .container .services-bg .black {
    background-color: rgba(31, 35, 38, 1);
    height: 154px;
}

.our-services .bottom-text {
    padding: 45px 56px;
}

/* contact-us */
.contact-us .container {
    padding: 78px 0;
}

.contact-us .right-content {
    max-width: none;
    width: auto;
    height: auto;
    background-color: transparent;
}

.contact-us .right-content .m{
    display: none;
}

.contact-us .section-heading p {
    margin-top: 30px;
}

.contact-us .phone-info>div{
    font-size: 20px;
    font-weight: 400;
    color: #fff;
    display: flex;
    align-items: start;
    flex-direction: column;
    max-width: 480px;
    margin: 0 auto;
}

.contact-us .phone-info>div>div {
    margin-top: 24px;
    display: flex;
    align-items: center;
}

.contact-us .phone-info>div>div:first-child {
    margin-top: 0;
}

.contact-us .phone-info div img{
    width: 64px;
    height: 64px;
    margin-left: 30px;
    margin-right: 15px;
    flex-shrink: 0;
}

@media (max-width: 1200px) {
    .about-us .right-content-web img {
        height: 80%;
    }
}

@media (max-width: 992px) {
    .main-banner .left-content .introduction,
    .main-banner .left-content form {
        max-width: 464px;
        width: 100%;
        margin: 0 auto;
    }
    
    .main-banner .left-content .introduction {
        text-align: center;
    }
    
    .main-banner .left-content form {
        text-align: left;
    }
    
    .main-banner .left-content h3 {
        text-align: center;
    }
    
    .main-banner .left-content h2 {
        text-align: center;
    }

    /* contact-us---------- */
    .contact-us .container{
        padding: 0;
    }

    .contact-us .phone-info>div{
        font-size: 16px;
    }

    .contact-us .right-content .b{
        display: none;
    }

    .contact-us .right-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .contact-us .right-content .m{
        display: block;
        max-width: 480px;
    }

    .contact-us .right-content .m-first {
        margin-bottom: 32px;
    }

    form#contact {
        margin-left: 0px;
        margin-top: 30px;
    }

    form#contact .contact-dec {
        display: none;
    }
}

@media (max-width: 768px) {
    .contact-us .phone-info>div>div>i {
        width: 8vw;
        height: 8vw;
        min-width: 48px;
        min-height: 48px;
        font-size: 16px;
    }

    .contact-us .right-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .contact-us .phone-info div img{
        width: 8vw;
        height: 8vw;
        min-width: 48px;
        min-height: 48px;
    }
}

@media (max-width: 597px) {
    .main-banner .left-content .introduction {
        max-width: 440px;
    }
    
    .main-banner .left-content h2 {
        font-size: 70px;
        line-height: 130px;
    }
    
    .main-banner .left-content h1 {
        font-size: 16px;
        line-height: 25px;
        margin-top: 30px;
        text-align: left;
    }
}