.container {
    padding: 0 80px;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    box-sizing: border-box;
}

.header {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.anchor {
    padding: 0 10px;
    line-height: 40px;
    box-sizing: border-box;
    border: 1px solid #fff;
    border-radius: 20px;
    min-width: 320px;
    text-align: center;
    font-size: 14px;
    color: #fff;
    transition: all 0.3s;
    opacity: 0.8;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.anchor:hover {
    opacity: 1;
    background-color: #fff;
    border-color: #fff;
    color: #000;
    text-decoration: none;
}

.demo-btn {
    padding: 0 20px;
    display: inline-block;
    min-width: 300px;
    line-height: 36px;
    font-size: 20px;
    color: #fff;
    background: #A61706;
    border-radius: 52px 52px 52px 52px;
    border: 2px solid #FFFFFF;
    transition: all 0.3s;
    box-sizing: border-box;
    text-align: center;
    white-space: nowrap;
}

.demo-btn:hover {
    text-decoration: none;
    background: #6b1006;
}


.title {
    font-size: 28px;
    line-height: 46px;
    color: #D9D9D9;
    font-weight: bold;
}

.sub-title {
    font-weight: 700;
    font-size: 20px;
    /* color: #D9D9D9; */
    color: #fff;
    line-height: 36px;
    text-align: left;
}

.desc {
    line-height: 26px;
    text-align: left;
    font-style: normal;
    font-size: 16px;
    color: #fff;
}

.index {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    line-height: 60px;
    border: 1px solid #A61706;
    box-sizing: border-box;
    text-align: center;
    font-size: 22px;
    color: #FFFFFF;
    border-radius: 50%;
}

.form-input {
    padding: 0 30px;
    background-color: transparent;
    outline: none;
    border: none;
    color: #fff;
    height: 36px;
    border: 1px solid #FFFFFF;
    border-radius: 6px;
}

.form-input::placeholder, .form-input::-webkit-input-placeholder {
    color: rgba(255, 255, 255, .5);
}

.form-checkbox {
    width: 0;
    height: 0;
}

.checkbox {
    margin-right: 20px;
    display: inline-block;
    width: 30px;
    height: 30px;
    line-height: 28px;
    border-radius: 2px 2px 2px 2px;
    border: 1px solid #FFFFFF;
    box-sizing: border-box;
    font-size: 22px;
    vertical-align: middle;
    text-align: center;
    color: transparent;
}

.form-checkbox_label {
    font-size: 22px;
}

.form-checkbox:checked + .form-checkbox_label > .checkbox{
    color: #fff;
}



.form-submit_btn {
    margin: 0 auto;
    padding: 0 60px;
    outline: none;
    font-size: 20px;
    line-height: 36px !important;
    cursor: pointer;
}

.ml-10 {
    margin-left: 10px;
}

.ml-20 {
    margin-left: 20px;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-35 {
    margin-top: 35px;
}

.mt-45 {
    margin-top: 45px;
}

.mt-50 {
    margin-top: 50px;
}

.text-center {
    text-align: center;
}

.d-flex {
    display: flex;
}

.flex-column { 
    flex-direction: column;
}

.flex-1 {
    flex: 1;
}

.flex-shrink-0 {
    flex-shrink: 0 !important;
}

.align-center {
    align-items: center;
}

.justify-center { 
    justify-content: center;
}

.d-inline-block { 
    display: inline-block;
}





/* home */
#home {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: url(../images/bg-home.png) no-repeat center / cover;
}

.home-title {
    margin: 20px 0;
    font-size: 55px;
    color: #fff;
}

.home-desc {
    font-size: 36px;
    color: #fff;
}

.header-top {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    background: rgba(27,3,5,0.8);
    border-bottom: 1px solid rgba(166, 23, 6, 0.8);
    z-index: 10;
    backdrop-filter: blur(5px);
}

.header-logo {
    margin-left: 85px;
}

.header-right {
    margin-right: 60px;
    display: flex;
    align-items: center;
}

/* Automated Penetration Testing Platform */
#penetration {
    background: #2C2C2C;
    box-sizing: border-box;
}

#penetration-function {
    background-color: #000;
}

.penetration-func_detail-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    align-content: center;
    flex: 1;
}

.penetration-func_detail {
    margin: 30px;
    display: flex;
    align-items: center;
    width: 490px;
}

.penetration-func_icn {
    margin-right: 28px;
    width: 116px;
    height: 116px;
}

.penetration-func_title {
    font-weight: 700;
    font-size: 24px;
    color: #FFFFFF;
    line-height: 28px;
}


#penetration-feature {
    background: #2C2C2C;
}

.penetration-feature_detail-container {
    display: flex;
    margin: 5vw;
    flex-wrap: wrap;
}

.penetration-feature_detail {
    margin: 3vw 0;
    padding: 0 20px;
    text-align: center;
    width: 25%;
    box-sizing: border-box;
    flex-shrink: 0;
}

.penetration-feature_detail:not(:last-child) {
    border-right: 1px solid #A61706;
}

.penetration-feature_icn {
    padding: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #A61706;
}

.penetration-feature_title {
    margin-top: 45px;
    font-size: 24px;
    color: #D9D9D9;
    line-height: 28px;
    height: 56px;
}

#bas {
    background: rgba(1,1,1,0.9);
}

#bas-function {
    padding: 3vw 10vw;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: url(../images/bg-bas-func.png) no-repeat center/ 34vw #1C1C1C;
    box-sizing: border-box;
}

.bas-func_detail-row {
    display: flex;
    justify-content: space-between;
}

.bas-func_detail {
    width: 30vw;
}

#bas-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #000000;
}

.bas-feature_detail-container {
    margin: 5vw auto 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    padding: 0 3vw;
    width: 71vw;
}

.bas-feature_detail {
    margin: 10px 18px;
    padding: 20px 35px;
    border-radius: 15px;
    box-sizing: border-box;
    background: #4D4D4D;
}

.bas-feature_detail::before {
    margin-bottom: 15px;
    display: block;
    content: '';
    width: 77px;
    height: 16px;
    background: linear-gradient( 270deg, #DC240E 0%, #5D0D04 100%);
    border-radius: 8px;
}

#contact {
    padding: 2vw 8vw 1vw;
    background-color: #2C2C2C;
}

.contact-title {
    margin-bottom: 10px;
    font-size: 22px;
    color: #A61706;
    line-height: 36px;
}

.contact-item {
    margin-bottom: 18px;
    font-size: 14px;
    color: #fff;
}

.contact-icn_tel {
    width: 20px;
}

.contact-icn_email {
    width: 20px;
}

.contact-icn {
    position: relative;
}


.qr-code {
    position: absolute;
    bottom: 30px;
    left: -44px;
    display: none;
}

.contact-icn:hover .qr-code {
    display: block;
}

.dialog {
    position: fixed;
    inset: 0;
    background: rgba(43, 41, 41, 0.5);
    z-index: 100;
    display: none;
    backdrop-filter: blur(4px);
}

.dialog.show {
    display: block;
}

.dialog-close_btn {
    position: absolute;
    top: 20px;
    right: 20px;
    cursor: pointer;
    width: 25px;
}

.dialog-inner_container {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 100;
    width: 1000px;
    max-height: 90vh;
    background: url(../images/bg-home.png) no-repeat center / cover;
    overflow: hidden;
    color: #fff;
    transform: translate(-50%, -50%);
    overflow: auto;
}

.form-input_item {
    flex-shrink: 0;
    margin-bottom: 30px;
    position: relative;
}

.form-input_item::before {
    display: block;
    content: '*';
    position: absolute;
    top: 11px;
    left: 15px;
    color: red;
    font-weight: bold;
}

.form-input_item:nth-child(2n+1) {
    margin-right: 30px;
}

.dialog-form .form-input {
    width: 100%;
    box-sizing: border-box;
}

.form-input_item-tips {
    color: red;
}

.notification-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    bottom: 20px;
    z-index: 9999;
    width: 300px;
    overflow: hidden;
}

.notification {
    right: 0;
    padding: 10px 20px 20px;
    background-color: #000;
    box-shadow: 0 0 1px 1px #252525;
    animation: visible .5s 1;
}

.notification.destroy {
    animation: hidden .5s 1 both;
    overflow: hidden;
}

.notification:not(:last-child) {
    margin-bottom: 10px;
}

@keyframes visible {
    from {
        transform: translateX(100%);
    } to {
        transform: translate(0%);
    }
}

@keyframes hidden {
    from {
        transform: translateX(0%);
    } to {
        transform: translate(100%);
    }
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    color: #fff;
}


.notification-close {
    width: 12px;
    height: 12px;
    cursor: pointer;
}

.notification-content {
    margin-top: 5px;
    font-size: 14px;
    color: #eee7e7;
}

@media screen and (max-width: 1600px) {
    .anchor {
        font-size: 12px;
        min-width: auto;
    }

    .demo-btn {
        min-width: auto;
    }

    .home-desc {
        font-size: 26px;
        color: #fff;
    }

    .title {
        font-size: 18px;
        line-height: 28px;
    }

    .sub-title {
        font-size: 16px;
        line-height: 24px;
    }

    .desc {
        font-size: 14px;
        line-height: 22px;
    }

    .penetration-feature_detail {
        width: 50%;
    }

    .penetration-feature_detail:nth-child(2) {
        border-right: none;
    }


    .contact-item {
        font-size: 24px;
        line-height: 30px;
    }

    .contact-icn_tel {
        width: 34px;
    }

    .contact-icn_email {
        width: 32px;
    }

    .dialog-inner_container {
        width: 80vw;
    }

    .form-checkbox_label {
        font-size: 18px;
    }

    .header-right {
        margin-right: 20px;
    }
}

@media screen and (max-width: 1200px) {
    .anchor {
        font-size: 12px;
        min-width: auto;
    }

    .demo-btn {
        min-width: auto;
    }

    .penetration-feature_detail {
        width: 50%;
    }

    .penetration-feature_detail:nth-child(2) {
        border-right: none;
    }

    .penetration-func_title {
        font-size: 16px;
    }

    .contact-item {
        font-size: 16px;
        line-height: 22px;
    }

    .contact-icn_tel {
        width: 20px;
    }

    .contact-icn_email {
        width: 20px;
    }

    .dialog-inner_container {
        width: 100%;
    }

    .form-input_row {
        flex-direction: column;
    }

    .form-input_item:nth-child(2n+1) {
        margin-right: 0;
    }

    .form-checkbox_label {
        font-size: 14px;
    }

    .header-logo {
        margin-left: 10px;
        height: 35px;
    }

    .bas-feature_detail-container {
        grid-template-columns: repeat(1, 1fr)
    }
}

@media screen and (max-width: 1000px) {
    .header-logo {
        margin: 0;
        width: 0;
    }
    .header-right {
        margin-right: 10px;
    }
}