.heightmenu {
    padding-top: 64px;
}
.gioithieu01_mt5 {
    padding: 5% 15%;
    display: inline-grid;
    align-content: center;
    background-image: url(../img/web/bg_about03.png) !important;
    background-repeat: no-repeat;
    background-size: 100% 110%;
    background-position-x: center;
    background-position-y: center;
    width:100%;
}
.tieude01_gioithieu01 {
    font-size: 250%;
    margin-bottom: 0;
    font-weight: 900;
    text-transform: uppercase;
    line-height: 4rem;
    color:#cccccc;
}
.tieude02_gioithieu01 {
    font-size: 200%;
    font-weight: 900;
    text-transform: uppercase;
    color: #cccccc;
}
.tieude03_gioithieu01 {
    padding-top: 15px;
    color: #cccccc;
}
.gioithieu02_mt5{
    padding:3% 15%;
}
.tieude01_gioithieu02 {
    font-size: 200%;
    font-weight: 900;
    text-transform: uppercase;
    color: #cccccc;
    padding-bottom:30px;
}
.noidung_gioithieu02 {
    color: #cccccc;
    text-align:left;
}
.platform-links2 {
    display: flex;
    gap: 20px;
    padding: 30px;
}
.platform-links {
    display: flex;
    justify-content: center; /* canh giữa ngang */
    align-items: center; /* canh giữa dọc (nếu cần) */
    flex-wrap: wrap; /* xuống dòng nếu quá rộng */
    gap: 15px; /* khoảng cách giữa các nút */
    padding: 20px 0;
}

.platform {
    text-align: center;
    font-size:15px;
    transform: skewX(-29deg);
    color: #fff;
    transition: sll 0s;
    padding: 10px 20px;
    background: #37cf91;
    display: block;
    font-weight: 600;
    text-align:center;
    text-decoration:none;
    gap:8px;
}

    .platform i {
        font-size: 20px;
        padding-right:10px;
    }

    .platform:hover {
        background: #dbe4f1;
        text-decoration: none;
    }
.hinhanh_gioithieu02 img{
    width:100%;

}

:root {
    --cx: 45px;
    --cy: 70px;
}
.feature-box {
    clip-path: polygon(0% var(--cy), var(--cx) 0, 100% 0, 100% calc(100% - var(--cy)), calc(100% - var(--cx)) 100%, 0 100%, 0 var(--cy));
    background: #cccccc;
    padding: 20px 20px;
    justify-items: center;
    align-items: center;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, .35));
    margin-bottom: 20px;
    color: #666666;
}
.noidung_gioithieu03{
    text-align:right;
}
.noidung_gioithieu03 img {
    width:50%;
}
.tieude03_gioithieu03 {
    color: #37cf91;
    font-size: 24px;
    font-weight: bold;
    line-height: 28px;
}
.tieude01_gioithieu03 {
    font-size: 200%;
    font-weight: bold;
    color: #cccccc;
    text-align: center;
    padding:30px 0px;
}
.tieude02_gioithieu03 {
    font-size: 100%;
    color: #cccccc;
    text-align: center;
    padding: 30px 0px;
    padding-bottom:50px;
}
.gioithieu03_mt5 {
    padding: 50px 5%;
    background-image: url(../img/web/bg_about04.png) !important;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position-x: center;
    background-position-y: center;
    padding-bottom:180px;
}
.faq-box {
    max-width: 700px;
    margin: 30px auto;
    background: #cccccc;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 6px;
    padding: 30px;
    clip-path: polygon(0% var(--cy), var(--cx) 0, 100% 0, 100% calc(100% - var(--cy)), calc(100% - var(--cx)) 100%, 0 100%, 0 var(--cy));
    color:#666666;
}

.faq-title {
    font-size: 24px;
    font-weight: bold;
    color: #2e3a4e;
    margin-bottom: 20px;
    text-align:center;
}

.faq-item {
    border-top: 1px solid #66666660;
    padding: 15px 0;
    cursor: pointer;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    color:#00000090;
}

.faq-answer {
    display: none;
    color: #666666;
    margin-top: 10px;
    line-height: 1.5;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}
.indicator03 {
    height: 100%;
    width: 100%;
    background-image: url('../img/web/bg_indicator3.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
    padding: 6% 5%;
    /*border-top: 1px solid #4d4d4d;*/
    display: inline-grid;
    align-content: center;
}

.title_indicator03 {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    color: #cccccc;
    margin-bottom: 8%;
    text-transform: uppercase;
}

.title2_indicator03 {
    font-weight: 400;
    text-align: center;
    color: #cccccc80;
    margin-bottom: 3%;
}
footer {
    padding-top: 0px;
}
.sansanggd {
    position: absolute;
    bottom: -60px;
    left: 20%;
    width: 60%;
    border-radius: 10px;
    box-shadow: 0px 0px 20px 1px rgb(173 173 173 / 26%), 0px 0px 20px 1px rgb(173 173 173 / 26%);
    padding: 25px;
    z-index: 500;
    background-color: #262a33;
    text-align: left;
}
.content_foobc {
    padding: 130px 0px 0px 0px;
    display: inline-block;
    float: left;
    width: 100%;
    background-color: #262a33;
}
@media(max-width:900px) {
    .gioithieu01_mt5 {
        padding: 5% 5%;
    }
        .tieude01_gioithieu01 {
        font-size: 2rem;
    }
    .tieude02_gioithieu01 {
        font-size: 1.25rem;
    }
    .tieude01_gioithieu02 {
        font-size: 1.25rem;
    }
    .gioithieu02_mt5 {
        padding: 3% 5%;
    }
    .platform-links2 {
        display: flex;
        gap: 10px;
        padding: 15px 0px;
    }
    .platform i {
        font-size: 13px;
        padding-right: 7px;
    }
    .platform {
        text-align: center;
        font-size: 12px;
        transform: skewX(-29deg);
        color: #fff;
        transition: sll 0s;
        padding: 5px 12px;
        background: #37cf91;
        display: block;
        font-weight: 600;
        text-align: center;
        text-decoration: none;
        gap: 8px;
    }
    .tieude01_gioithieu03 {
        font-size: 24px;
    }
    .tieude03_gioithieu03 {
        color: #37cf91;
        font-size: 13px;
    }
    .noidung_gioithieu03 img {
        width: 100%;
        padding-top: 8px;
        margin-left: 10px;
    }
    .faq-item {
        border-top: 1px solid #ccc;
        padding: 8px 0;
        cursor: pointer;
    }
    .faq-question {
        font-weight: 500;
        font-size: 13px;
    }
    }
@media screen and (max-width: 860px) {
    .sansanggd {
        width: 96%;
        left: 2%;
        padding: 25px 5px;
    }
}