/* b1 */
.b1 {
    position: relative;
}
.b1-bg {
    width: 100%;
    top: 0;
    height: 100%;
    position: absolute;
    background-image: url(/imgs/about_v2/b1.jpg);
    background-size: cover;
}
.b1-img {
    display: block;
    width: 70%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 70px 0;
}
@media (max-width: 767px) {
    .b1 {
        padding: 130px 0;
    }
    .b1-img {
        padding-left: 10px;
        padding-right: 10px;
        width: calc(100% - 20px);
    }
}

/* b2 */
.b2 {
    padding: 160px 0;
}

.b2-pic {
    display: block;
    margin: 0 auto 120px;
    width: 220px;
    height: auto;
}
.b2-content {
    width: 100%;
    margin-bottom: 160px;
}
.b2-content-title {
    width: 30%;
    margin-right: 12%;
    font-weight: bold;
    padding: 20px 0;
    font-size: 38px;
    color: #2a46da;
    position: relative;
}
.b2-content-title .b2-content-title-line {
    display: block;
    width: 200px;
    height: 4px;
    background: #2a46da;
    margin-bottom: 15px;

}
.b2-content-title2 {
    font-size: 64px;
    color: black;
    font-weight: bold;
    margin-bottom: 30px;
}
.b2-content-title2 > span {
    color: #2a46da;
}
.b2-content-desc {
    font-size: 22px;
    margin-bottom: 100px;
}
@media (max-width: 1106px) {
    .b2-content-title2 {
        font-size: 48px;
    }

}
@media (max-width: 767px) {
    .b2 {
        padding-bottom: 0;
    }
    .b2-content {
        margin-bottom: 80px;
    }
    .b2-pic {
        width: 130px;
        margin-bottom: 90px;
    }
    .b2-content-title {
        font-size: 24px;
    }
    .b2-content-title2 {
        font-size: 45px;
        line-height: 1;
     }
     .b2-content-title2 > span {
        display: block;
        margin-bottom: 5px;
     }
     .b2-content-desc {
        font-size: 17px;
        margin-bottom: 30px;
     }

}

/* b3 */
.b3 .b3-pic {
    display: block;
    width: 100%;
}
.b3 .b3-inner-container {
    padding: 100px;
    background: #2a20db;
    color: white;
    position: relative;
    top: -120px;
}
.b3-title {
    margin-right: 80px;
    width: 50%;
}
.b3-title .b3-title-p1 {
    margin-bottom: 35px;
    font-size: 56px;
}
.b3-title .b3-title-p2 {
    font-size: 24px;
    opacity: .6;
}
.b3-content {
    font-size: 24px;
    line-height: 1.6;
    width: 50%;
}

@media (max-width: 767px) {
    .b3 .b3-inner-container {
        padding: 30px 20px;
        top: -30px;
    }
    .b3 .b3-content, .b3 .b3-title {
        width: 100%;
    }
    .b3-title .b3-title-p1 {
        margin-bottom: 10px;
        font-size: 24px;
    }
    .b3-title .b3-title-p2 {
        font-size: 16px;
    }
    .b3-content {
        font-size: 15px;
    }
    .b3 .b3-title {
        margin-right: 0;
        margin-bottom: 30px;
    }
}

.b4 {
    padding-top: 120px;
    padding-bottom: 120px;
}
.b4-title {
    font-size: 32px;
    color: #2a20db;
    margin: 0;
    margin-bottom: 20px;
    text-align: center;
}
.b4-subtitle {
    font-size: 56px;
    text-align: center;
    margin: 0;
    margin-bottom: 50px;

}
.b4-item > * {
    width: 50%;
}
.b4-item .b4-item-title {
    text-align: right;
    margin-right: 100px;
    margin-left: 100px;
}
.b4-item.flex-row-reverse .b4-item-title {
    text-align: left;
}
.b4-item .b4-item-title-p1 {
    font-size: 30px;
    opacity: .5;
    font-weight: bold;
}
.b4-item .b4-item-title-p2 {
    font-size: 64px;
    font-weight: bold;
}
.b4-item > img {
    display: block;
    height: auto;
}
@media (max-width: 1106px) {
    .b4-item .b4-item-title-p1 {
        font-size: 15px;
    }
    .b4-item .b4-item-title-p2 {
        font-size: 32px;
    }
    .b4-item .b4-item-title {
        margin-right: 30px;
        margin-left: 30px;
    }
}
@media (max-width: 767px) {
    .b4 {
        padding-top: 0;
    }
    .b4-title {
        margin-bottom: 14px;
        font-size: 24px;
    }
    .b4-subtitle {
        font-size: 24px;
    }
    .b4-item {
        margin-bottom: 60px;
    }
    .b4-item > * {
        width: 100%;
    }
    .b4-item .b4-item-title {
        text-align: left;
    }
    .b4-item .b4-item-title-p1 {
        font-size: 30px;
    }
    .b4-item .b4-item-title-p2 {
        font-size: 44px;
    }
}

/* .b5 */
.b5 {
    border-top: 1px solid rgba(0,0,0,.3);
    padding-top: 100px;
    padding-bottom: 100px;
}
.b5-title {
    font-size: 32px;
    text-align: center;
    margin-bottom: 50px;
}
.b5-content {
    font-size: 20px;
    text-align: left;
    margin: 0 auto;
}
.b5-content-label {
    width: 20%;
    font-weight: bold;
    font-size: 20px;
}
.b5-content-value {
    width: 45%;
    font-size: 20px;
}
@media (max-width: 767px) {
    .b5 {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .b5-title {
        font-size: 24px;
        margin-bottom: 40px;
    }
    .b5-content-label ,.b5-content-value {
        width: 100%;
    }
    .b5-content-label {
        margin: 10px 0;
    }
    .b5-content-value {
        margin: 0;
        margin-bottom: 30px;
    }
}