body {
    background: #fff;
}

div,
span,
p,
h1,
h2,
h3,
h4,
input,
textarea,
button,
label {
    font-family: 'Open Sans', sans-serif;
    color: #222
}

div,
span,
p,
input,
textarea,
button,
label {
    font-size: 26px;
    font-weight: 300
}

h1 {
    font-size: 80px;
    font-weight: 400
}

h2 {
    font-size: 60px;
    font-weight: 300
}

h3 {
    font-size: 44px;
    font-weight: 300
}

h4 {
    font-size: 36px;
    font-weight: 400;
    color: #0989d3
    /* color: #1c71ab */
}

.h1-ru {
    font-size: 66px
}

input,
textarea,
button {
    padding: 5px
}

input,
textarea {
    margin: 10px
}

textarea:focus,
input:focus {
    outline: 0
}

.h1IndexTop {
    padding: 55px 0 0 0;
    height: 425px
}

.h1IndexTagline {
    font-size: 42px;
    font-weight: 300;
    margin-top: -30px
}

.h2Banner03 {
    font-weight: 300;
    color: #fff;
    margin-left: 300px;
    text-align: right;
    font-size: 40px;
    padding-top: 61px
}

.h2Banner03-en {
    font-size: 55px;
    padding-top: 47px
}

.h2Banner03-ru {
    font-size: 40px;
    padding-top: 61px
}

.topBanner03 {
    height: 180px
}

.topBanner04 {
    height: 210px
}

.h2Banner04 {
    font-weight: 300;
    color: #fff;
    margin: 0;
    text-align: center;
    font-size: 36px;
    padding-top: 110px
}



.inputtext,
.inputtextarea {
    width: 70%
}

.wrapper0,
.wrapper1,
.wrapper4 {
    max-width: 1200px;
    margin: 0 auto
}

.wrapper1 {
    padding: 10px 0
}

.wrapper4 {
    padding: 40px 0
}

.wrapper5 {
    padding: 10px 0 40px
}

.h5 {
    font-size: 30px;
    font-weight: 400;
    min-height: 82px
}

.smallText {
    font-size: 24px;
    font-weight: 300
}

.smallText2 {
    font-size: 20px;
    font-weight: 300
}

.h2 {
    margin: 100px 0
}

.h3 {
    margin-bottom: 0
}

.mb0 {
    margin-bottom: 0
}

.mb20 {
    margin-bottom: 20px
}

.hBlock1 {
    margin: 0 0 50px;
    padding: 0 20px;
    vertical-align: top
}

.hBlock1 .icon {
    float: left;
    margin: 15px 40px 0 0
}

.hBlock1 h4,
.hBlock1 p {
    margin-left: 120px
}

.hBlock2 {
    margin: 0 0 50px;
    padding: 0 20px;
    vertical-align: top;
    display: inline-block
}

.hBlock2 {
    width: 350px
}






.iconSecurity {
    background-position: 0 0
}

.iconSpeed {
    background-position: 0 -80px
}

.iconRel {
    background-position: 0 -160px
}

.iconEasy {
    background-position: 0 -240px
}

.iconFb {
    background-position: 0 -320px
}

.iconYt {
    background-position: 0 -384px
}

.iconTw {
    background-position: 0 -448px
}

.iconDi {
    background-position: 0 -559px
}

.iconVk {
    background-position: 0 -930px
}

.white {
    color: #fff
}

.cyan {
    color: #1c71ab
}

.red {
    color: red
}

.bgBanner02 {
    background-image: url("0-main.jpg");
    background-image: image-set(url("https://www.rasalan.xyz/rasa-lan/images/0-main.webp") type("image/webp"), url("https://www.rasalan.xyz/rasa-lan/images/0-main.jpg") type("image/jpg"))
}


.bgBanner02 {
     background-size: cover; /* Đảm bảo ảnh bao phủ toàn bộ */
    width: 100%; /* Đảm bảo phần tử chiếm toàn bộ chiều rộng */
    height: 100vh; /* Chiều cao bằng 100% chiều cao màn hình */
    background-position: center top; /* Dịch ảnh lên trên */
    background-repeat: no-repeat;
    height: 785px;
    background-size: cover
}


.bgWhite {
    background: #fff
}

.bgLightGray {
    background: #f8f8f8
    /* background: #f8f8f8 */
    
    /* background: #edf2f4 */
}

.bgMidGray {
    background: #34495e
}

.bgDarkGray {
    background: #1b1d1f
}

.left {
    text-align: left
}

.center {
    text-align: center
}


.clear {
    clear: both;
    height: 0;
    font-size: 0;
    line-height: 0
}






.helpItem {
    padding: 20px 60px;
    margin: 10px 0 20px;
    background: #fff;
    display: none
}

.buttonDownload {
    background: #3498db;
    color: #fff;
    font-size: 40px;
    font-weight: 300;
    padding: 15px 40px;
    display: inline-block;
    border-radius: 43px;
    text-decoration: none
}




.blur {
    -webkit-filter: blur(7px);
    filter: blur(7px);
    filter: progid:DXImageTransform.Microsoft.Blur(PixelRadius='3')
}


button:active,
button:focus,
input:active,
input:focus,
textarea:active,
textarea:focus {
    outline: none !important
}

button::-moz-focus-inner,
input::-moz-focus-inner,
textarea::-moz-focus-inner {
    border: 0 !important
}

.errorText {
    color: red
}

.fieldErrorText {
    color: #fff;
    background: #f66;
    font-size: 16px;
    float: right;
    font-weight: bold;
    padding: 2px 10px;
    border-radius: 3px 3px 0 0;
    margin: 19px -12px -19px 0
}

.fieldError input,
.fieldError textarea {
    background: #fdd;
    border: 1px solid #f66
}

.winCompatible {
    font-size: 18px;
    color: #fff;
    background: url("https://www.rasalan.xyz/rasa-lan/images/win10.png") 0 0 no-repeat;
    display: inline-block;
    padding: 2px 0 2px 35px;
    margin-top: 20px
}

.img_responsive {
    max-width: 100%;
    height: auto
}

.eula_link {
    font-size: 14px;
    color: #fff;
    display: inline-block
}

.eula_link a {
    color: #fff
}

@media only screen and (max-width:1280px) {

    .wrapper0,
    .wrapper1,
    .wrapper4 {
        margin-left: 40px;
        margin-right: 40px
    }

    .hBlock2 {
        width: 300px
    }
}

@media only screen and (max-width:1200px) {
    .h2Banner03-en {
        font-size: 50px;
        padding-top: 55px
    }

    .h2Banner03-ru {
        font-size: 36px;
        padding-top: 66px
    }
}

@media only screen and (max-width:1000px) {

    div,
    span,
    p,
    input,
    textarea,
    button,
    label {
        font-size: 22px
    }

    h1 {
        font-size: 64px
    }

    h2 {
        font-size: 48px
    }

    h3 {
        font-size: 36px
    }

    h4 {
        font-size: 28px
    }

    .h1-ru {
        font-size: 52px
    }

    .h5 {
        font-size: 24px;
        min-height: 66px
    }

    .h1IndexTagline {
        font-size: 36px
    }

    .smallText {
        font-size: 20px
    }

    .smallText2 {
        font-size: 16px
    }

    .textSupportForm {
        height: 204px
    }

    .supportFormTextarea {
        margin-top: -261px
    }

    .h2Banner03-en {
        font-size: 40px;
        padding-top: 62px
    }

    .topBanner03 {
        height: 210px
    }

    .buttonDownload {
        font-size: 26px
    }

    .fieldErrorText {
        margin: 11px -12px -11px 0
    }
}

@media only screen and (max-width:800px) {

    .supportFormField,
    .supportFormTextarea {
        float: left;
        clear: left;
        margin: 0;
        width: 70%
    }

    .textSupportForm {
        height: 80px
    }

    .supportFormSubmit {
        float: none;
        display: block;
        margin: 30px 0
    }

    .monitor {
        display: none
    }

    .h2Banner03-ru {
        font-size: 30px;
        padding-top: 72px
    }

    .winCompatible {
        font-size: 18px
    }
}

@media only screen and (max-width:765px) {
    .h5 {
        min-height: 0
    }
}

@media only screen and (max-width:600px) {

    div,
    span,
    p,
    input,
    textarea,
    button,
    label {
        font-size: 20px
    }

    h1 {
        font-size: 58px
    }

    h2 {
        font-size: 44px
    }

    h3 {
        font-size: 32px
    }

    h4 {
        font-size: 26px
    }

    .h1-ru {
        font-size: 48px
    }

    .h5 {
        font-size: 22px
    }

    .h1IndexTagline {
        font-size: 32px
    }

    .smallText {
        font-size: 18px
    }

    .h1IndexTop {
        padding: 40px 0 0 0;
        height: 495px
    }

    .h1IndexTagline {
        font-size: 30px
    }

    .h2Banner03 {
        display: none
    }

    .winCompatible {
        font-size: 16px
    }
}

@media only screen and (max-width:400px) {
    h1 {
        font-size: 52px
    }

    h2 {
        font-size: 40px
    }

    .h1-ru {
        font-size: 42px;
        padding-top: 60px
    }

    .h1IndexTagline {
        font-size: 24px
    }

    .h1IndexTop {
        padding: 1px 0 0 0;
        height: 534px
    }

    .buttonDownload {
        font-size: 20px
    }

    .hBlock2 {
        width: 100%;
        display: block;
        padding: 0
    }

    .hBlock1 {
        padding: 0
    }

    .hBlock1 .icon {
        margin: -8px -10px;
        -webkit-transform: scale(0.6);
        -moz-transform: scale(0.6);
        -o-transform: scale(0.6);
        transform: scale(0.6)
    }

    .hBlock1 h4,
    .hBlock1 p {
        margin-left: 90px
    }




}