@import "https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap";

* {
    margin: 0;
    padding: 0;
}

*, ::before, ::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
}

button {
    outline: none;
    cursor: pointer;
    -webkit-appearance: button;
    text-transform: none;
    background-color: transparent;
    background-image: none;
}
 
ol, ul {
    list-style: none;
}
 
a {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

img {
    vertical-align: middle;
}

img, svg, video {
    display: block;
}

p {
    display: block;
}

button,
input, 
textarea {
    font-family: inherit;
    line-height: inherit;
    font-size: 100%;
    color: inherit;
}

textarea {
    resize: vertical;
}

body {
    font-family: inter, sans-serif;
    line-height: inherit;
}

.header {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    display: flex;
    align-items: center;
    background-color: transparent;
    z-index: 40;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.sticky {
    position: fixed;
    z-index: 9999;
    background-color: rgba(255, 255, 255, 0.8);
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
    -webkit-backdrop-filter: blur(5px);
            backdrop-filter: blur(5px);
    box-shadow: inset 0 -1px 0 0 rgba(0 0 0 / 10%);
}

.main {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
}

.header-content {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-left: -16px;
    margin-right: -16px;
}

.header-logo {
    width: 18rem;
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
}

.logo {
    display: block;
    width: 100%;
    padding-top: 0.875rem;
    padding-bottom: 1.25rem;
}

.logo-img {
    width: 100%;
}

.header-nav {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    padding-left: 1rem;
    padding-right: 1rem;
}

.navbarToggler {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    padding: 6px 0.75rem;
    border-radius: 0.5rem;
}

.navbarTogglerActive>span:nth-child(1) {
    top: 7px;
    transform: rotate(45deg);
}

.navbarTogglerActive>span:nth-child(2) {
    opacity: 0;
}

.navbarTogglerActive>span:nth-child(3) {
    top: -8px;
    transform: rotate(135deg);
}

.am {
    display: none;
}

.navStyle {
    position: relative;
    display: block;
    width: 30px;
    height: 2px;
    margin-top: 6px;
    margin-bottom: 6px;
    background-color: rgba(29, 33, 68, 1);
}

.navbar {
    position: absolute;
    top: 100%;
    right: 1rem;
    width: 100%;
    max-width: 250px;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
    background-color: rgba(255, 255, 255, 1);
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.nav-li {
    position: relative;
}

.nav-li:hover .nav-item {
    color: rgba(74, 108, 247, 1);
    color: #5B9BD5;
}

.nav-item {
    display: flex;
    font-size: 1rem;
    line-height: 1.5rem;
    color: rgba(9, 14, 52, 1);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    margin-left: 2rem;
    margin-right: 2rem;
}

.nav .nav-last {
    position: relative
}

.nav-last::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 0.25rem;
    width: 0.5rem;
    height: 0.5rem;
    margin-top: -2px;
    border-color: currentColor;
    border-right-width: 2px;
    border-bottom-width: 2px;
    transform: translateY(-50%) rotate(45deg);
}

.sticky .active {
    color: rgba(74, 108, 247, 1);
    color: #5B9BD5;
}

.submenu {
    position: relative;
    top: 100%;
    left: 0;
    width: 250px;
    border-radius:0.125rem;
    background-color: rgba(255, 255, 255, 1);
    padding: 1rem;
    transition-duration: 300ms;
}

.nav-li:hover .submenu {
    opacity: 1;
}

.nav-last:hover .submenu {
    visibility: visible;
    top: 100%;
    opacity: 1;
}

.submenu-item {
    display: block;
    border-radius: 0.25rem;
    padding: 10px 1rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: rgba(9, 14, 52, 1);
}

.submenu-item:hover {
    color: rgba(74, 108, 247, 1);
    color: #5B9BD5;
}

.signInUp {
    display: none;
    justify-content: flex-end;
    padding-right: 4rem;
}

.signIn {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5rem;
    color: rgba(149, 156, 177, 1);
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.signIn:hover {
    color: rgba(74, 108, 247, 1);
    color: #5B9BD5;
}

.signUp {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.5rem;
    color: rgba(255, 255, 255, 1);
    background-color: #5B9BD5;;
    border-radius: 0.125rem;
    animation-timing-function: cubic-bezier(0.4, 0, 0,2, 1);
    animation-duration: 300ms;
}

.signUp:hover {
    box-shadow: 0 5px 10px rgba(4, 10, 34, 0.2);
}

.home {
    overflow: hidden;
    position: relative;
    padding-top: 120px;
    padding-bottom: 4rem;
}

.container {
    display: flex;
    flex-wrap: wrap;
    margin-left: -16px;
    margin-right: -16px;
}

.content {
    width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
}

.home-part1 {
    max-width: 720px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.fadeInUp {
    -webkit-animation-name: fadeInUp;
            animation-name: fadeInUp;
    animation-delay: 0.2s;
    
}

.home-part1-h1 {
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1.25;
    color: rgba(9, 14, 52, 1);
    margin-bottom: 1.25rem;
}

.home-part1-p {
    font-size: 1.125rem;
    line-height: 1.625;
    font-weight: 500;
    color: rgba(149, 156, 177, 1);
    margin-bottom: 3rem;
}

.btRow {
    display: flex;
    justify-content: center;
    align-items: center;
}

.demo {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5rem;
    color: rgba(255, 255, 255, 1);
    margin-left: 0.5rem;
    margin-right: 0.5rem;
    padding: 1rem 1.75rem;
    border-radius: 0.125rem;
    /* background-color: rgba(74, 108, 247, 1); */
    background-color: #5B9BD5;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}

.demo:hover {
    box-shadow: 0 5px 10px rgba(4, 10, 34, 0.2);
}

.home-part2 {
    text-align: center;
}

.home-img {
    display: inline-block;
    position: relative;
    margin-top: 2.5rem;
    box-shadow: 0 3px 30px rgba(9, 14, 52, 0.1);
    background-color: rgba(255, 255, 255, 1);
}

.home-img img {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.home-img-bc {
    position: absolute;
    right: -16px;
    bottom: -16px;
    z-index: -1;
}

.home-right {
    position: absolute;
    top: 6rem;
    right: 0;
    z-index: -1;
}

.home-left {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: -1;
}

.about {
    padding-top: 100px;
}

.part1 {
    max-width: 655px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 5rem;
}

.about .btm {
    margin-bottom: 3rem;
}

.part1 .fadeInUp {
    animation-delay: 0.1s;
}

.sideTitle {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.75rem;
    /* color: rgba(74, 108, 247, 1); */
    color: #5B9BD5;
    margin-bottom: 0.5rem;
}

.title {
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 2.25rem;
    color: rgba(9, 14, 52, 1);
    margin-bottom: 1.25rem;
}

.para {
    max-width: 570px;
    font-size: 1rem;
    line-height: 1.5rem;
    line-height: 1.625;
    color: rgba(149, 156, 177, 1);
    margin-left: auto;
    margin-right: auto;
}

.jc {
    justify-content: center;
}

.about-part2-1 {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.about-part2-icons {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin-bottom: 60px;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    border-radius: 0.125rem;
    color: rgba(149, 156, 177, 1);
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.about-part2-icon {
    display: flex;
    align-items: center;
    font-size: 1rem;
    line-height: 1.5rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    padding-right: 1rem;
}

.border {
    border-right: 1px solid rgba(149, 156, 177, 0.3);
}

.changeColor, 
.about-part2-icon:hover {
    /* color: rgba(74, 108, 247, 1); */
    color: #5B9BD5;
}

.change,
.about-part2-icon:hover .svg {
    fill: #5B9BD5;
}

.icon-box {
    display: flex;
    margin-right: 0.75rem;
    width: 20px;
    height: 20px;
    align-items: center;
}

.icon-img {
    width: 20px;
    height: 20px;
}

.icon-img:hover {
    fill: #5B9BD5;
}

.about-part2-2 {
    text-align: center;
}

.about-part2-img {
    max-width: 854px;
    margin-left: auto;
    margin-right: auto;
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 3px 30px rgba(9, 14, 52, 0.1);
}

.about-part2-img .image {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.features {
    padding-top: 100px;
}

.feature {
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(233, 236, 248, 1);
}

.feature-item {
    text-align: center;
    margin-bottom: 70px;  
}

.feature-item .fadeInUp {
    animation-delay: 0.15s;
}

.feature-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 2.25rem;
}

.icon-svg {
    width: 50px;
    height: 50px;
}

.feature-item-h3 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.75rem;
    color: rgba(9, 14, 52, 1);
    margin-bottom: 1.25rem;
}

.feature-item-p {
    font-size: 1rem;
    line-height: 1.625;
    color: rgba(149, 156, 177, 1);
}

.testimonial {
    padding-top: 120px;
    padding-bottom: 5rem;
    background-image: linear-gradient(to top, #eff6ff, rgba(239, 246, 255, 0));
}

.client {
    position: relative;
    overflow: hidden;
    margin-bottom: 2.5rem;
    padding: 2rem;
    border-radius: 0.125rem;
    background-color: rgba(255, 255, 255, 1);
}

.content .fadeInUp {
    animation-delay: 0.1s;
}

.client-intro {
    justify-content: space-between;
}

.info {
    display: flex;
    align-items: center;
    width: 100%;
}

.info-img {
    overflow: hidden;
    width: 60px;
    height: 60px;
    margin-top: 0.5rem;
    margin-right: 1rem;
}

.info-img img {
    width: 100%;
    border-radius: 50%;
}

.info-text {
    width: 100%;
}

.info-name {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5rem;
    color: rgba(9, 14, 52, 1);
    margin-bottom: 0.25rem;
}

.info-brief {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5rem;
    color: rgba(149, 156, 177, 1);
}

.score {
    display: flex;
    width: 100%;
    max-width: 150px;
    align-items: center;
    margin-top: 1rem;
}

.stars {
    display: flex;
    align-items: center;
}

.star {
    display: block;
    margin-right: 0.25rem;
    color: rgba(251, 176, 64, 1);
}

.color {
    fill: currentColor;
}

.score p {
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    color: rgba(149, 156, 177, 1);
    margin-top: 0.5rem;
}

.review {
    font-size: 1.125rem;
    line-height: 1.625;
    font-weight: 500;
    color: rgba(149, 156, 177, 1);
    padding-top: 2rem;
    margin-top: 1.5rem;
    border-top: 1px solid rgb(238, 238, 238, 1);
}

.rightBtm {
    position: absolute;
    right: 0;
    bottom: 0;
}

.pricing {
    padding-top: 120px;
    padding-bottom: 5rem;
}

.price {
    position: relative;
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 2.5rem;
    background-color: rgba(255, 255, 255, 1);
    border-radius: 0.125rem;
    box-shadow: 0 7px 35px rgba(180, 189, 223, 0.4);
    z-index: 10;
}

.monthP {
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.value {
    font-size: 42px;
    line-height: 1.5;
    font-weight: 700;
    color: rgba(9, 14, 52, 1);
    margin-bottom: 0.5rem;
}

.perMonth {
    font-size: 1.125rem;
    line-height: 1.75rem;
    font-weight: 500;
    color: rgba(149, 156, 177, 1);
}

.description {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.625;
    color: rgba(149, 156, 177, 1);
    margin-bottom: 2.25rem;
    padding-bottom: 2.25rem;
    border-bottom: 1px solid rgba(233, 236, 248, 1);
}

.condition {
    margin-bottom: 2rem;
}

.term {
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 500;
    color: rgba(149, 156, 177, 1);
    margin-bottom: 0.75rem;
}

.purchase {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    line-height: 1.5rem;
    color: rgba(255, 255, 255, 1);
    padding: 0.75rem;
    background-color: rgba(74, 108, 247, 1);
    background-color: #5B9BD5;
    border-radius: 0.125rem;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}

.purchase:hover {
    box-shadow: 0 5px 10px rgba(4, 10, 34, 0.2);
}

.price-right {
    position: absolute;
    top: 0;
    right: 0;
    z-index: -1;
}

.price-left {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: -1;
}

.brand {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 2rem 2rem;
    border-top: 1px solid rgba(233, 236, 248, 1); 
    border-bottom: 1px solid rgba(233, 236, 248, 1);
}

.brand-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    /* padding-left: 50px;
    padding-bottom: 50px;
    margin-left: 0.75rem;
    margin-right: 0.75rem; */
    /* filter: grayscale(100%); */
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.aws {
    margin: 16px 50px;
}

.ali {
    margin-top: 16px;
    margin-bottom: 16px;
}

.brand-logo:hover {
    filter: grayscale(0);
}

.blog {
    padding-top: 120px;
}

.blog .btm {
    margin-bottom: 100px;
}

.blog .h2-btm {
    margin-bottom: 1rem;
}

.media {
    padding-bottom: 5rem;
    border-bottom: 1px solid rgba(233, 236, 248, 1);
}

.media-info {
    position: relative;
    overflow: hidden;
    margin-bottom: 2.5rem;
    border-radius: 0.125rem;
    box-shadow: 0 7px 35px rgba(180, 189, 233, 0.4);
}

.media-img {
    position: relative;
    display: block;
    width: 100%;
    padding:0.75rem;
    padding-bottom: 0;
}

.media-img img {
    width: 100%;
}

.media-text {
    padding: 1.5rem;
}

.field {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 1);
    padding: 0.5rem 1rem;
    background-color: rgba(74, 108, 247, 1);
    background-color: #5B9BD5;
    border-radius: 9999px;
}

.media-title {
    display: block;
    font-size: 1.25rem;
    line-height: 1.75rem;
    font-weight: 700;
    color: rgba(9, 14, 52, 1);
    margin-bottom: 1rem;
    transition-timing-function: cubic-zexier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.txt {
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 500;
    color: rgba(149, 156, 177, 1);
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(233, 236, 248, 1);
}

.author {
    display: flex;
    align-items: center;
}

.author-info {
    display: flex;
    align-items: center;
    padding-right: 1.25rem;
    margin-right: 1.25rem;
    border-right: 1px solid rgba(233, 236, 248, 1);
}

.author-img {
    width: 100%;
    max-width:40px;
    height: 40px;
    overflow: hidden;
    margin-right: 1rem;
    border-radius: 50%;
}

.author-text {
    width: 100%;
}

.r1 {
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 500;
    color: rgba(9, 14, 52, 1);
    margin-bottom: 0.25rem;
}

.r2 {
    font-size: 0.75rem;
    line-height: 1rem;
    color: rgba(149, 156, 177, 1);
}

.contact {
    padding-top: 120px;
    padding-bottom: 120px;
}

.contact .btm {
    margin-bottom: 100px;
}

.contact .h2-btm {
    margin-bottom: 1rem;
}

.cell {
    margin-bottom: 2rem;
}

.label {
    display: block;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 500;
    color: rgba(149, 156, 177, 1);
    margin-bottom: 0.75rem;
}

.key {
    color: rgba(229, 68, 68, 1);
}

.input {
    width: 100%;
    padding: 0.75rem 1.5rem;
    border: 1px solid rgba(222, 227, 247, 1);
    border-radius: 0.125rem;
    font-size: 1rem;
    line-height: 1.5rem;
    color: rgba(149, 156, 177, 1);
    outline: 2px solid transparent;
    outline-offset: 2px;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

::placeholder {
    color: rgba(149, 156, 177, 1);
}

.input:focus {
    border-color: rgba(74, 108, 247, 1);
    border-color: #5B9BD5;
}

.message {
    resize: none;
}

.submit {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.submitBtn {
    display: inline-flex;
    margin-left: auto;
    margin-right: auto;
    padding: 1rem 2.75rem;
    border-radius: 0.125rem;
    background-color: rgba(74, 108, 247, 1);
    background-color: #5B9BD5;
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 1);
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}

.submitBtn:hover {
    box-shadow: 0 5px 10px rgba(4, 10, 34, 0.2);
}

.news {
    position: relative;
    overflow: hidden;
    justify-content: space-between;
    align-items: center;
    padding: 2.5rem 3rem;
    background-color: rgba(74, 108, 247, 1);
    background-color: #5B9BD5;
    border-radius: 0.125rem;
    z-index: 10;
}

.more {
    width: 100%;
    margin-bottom: 1.5rem;
}

.question {
    font-size: 1.5rem;
    line-height: 1.375;
    font-weight: 700;
    color: rgba(255, 255, 255, 1);
}

.subscribe {
    width: 100%;
}

.form {
    justify-content: space-between;
    align-items: center;
}

.email {
    width: 100%;
    margin-bottom: 1rem;
    background-color: rgba(255, 255, 255, 1);
    border-radius: 0.125rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5rem;
    color: rgba(149, 156, 177, 1);
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.sub {
    background-color: rgba(9, 14, 52, 1);
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 1);
    padding: 0.75rem 3rem;
    border-radius: 0.125rem;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}

.sub:hover {
    box-shadow: 0 5px 10px rgba(4, 10, 34, 0.2);
}

.bc {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.footer {
    padding-top: 5rem;
    padding-bottom: 3rem;
}

.content-btm {
    margin-bottom: 1.5rem;
}

.ft-logo {
    display: inline-block;
    margin-bottom: 1.25rem;
}

.ft-img {
    max-width: 100%;
    height: 2.25rem;
}

.content-left p {
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 500;
    color: rgba(149, 156, 177, 1);
}


.content-middle {
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

.link {
    font-size: 1.25rem;
    line-height: 1.75rem;
    font-weight: 500;
    color: rgba(9, 14, 52, 1);
    margin-bottom: 1rem;
}

.items {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    color: rgba(149, 156, 177, 1);
}

.item {
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 500;
    color: rgba(149, 156, 177, 1);
}

.mr {
    margin-right: 2rem;
}

.content-right {
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

.icon {
    color: rgba(149, 156, 177, 1);
}

.icon-left {
    margin-left: 1.5rem;
}

.item:hover,
.icon:hover {
    color: rgba(74, 108, 247, 1);
    color: #5B9BD5;
}

.back-to-top {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 2.5rem;
    height: 2.5rem;
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    left: auto;
    color: rgba(255, 255, 255, 1);
    background-color: rgba(74, 108, 247, 1);
    background-color: #5B9BD5;
    border-radius: 0.125rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
    z-index: 9999999999;
}

.back-to-top:hover {
    box-shadow: 0 5px 10px rgba(4, 10, 34, 0.2);
}

.up {
    width: 0.75rem;
    height: 0.75rem;
    margin-top: 6px;
    border-left-width: 1px;
    border-top-width: 1px;
    border-color: rgba(255, 255, 255, 1);
    transform: rotate(45deg);
}

@media (min-width: 540px) {
    .main {
        max-width: 540px;
    }
    .home-part1-h1 {
        font-size: 2.25rem;
        line-height: 1.25;
    }
    .signInUp {
        display: flex;
    }
    .title {
        font-size: 2.25rem;
        line-height: 2.5rem;
    }
    .feature-item-h3 {
        font-size: 1.5rem;
        line-height: 2rem;
    }
    .client-intro {
        display: flex;
    }
    .score {
        justify-content: flex-end;
        margin-top: 0;
    }
    .priceW {
        width: 75%;
    }
    .brand {
        padding-left: 2.5rem;
        padding-right: 2.5rem;
    }
    /* .brand-logo {
        margin-left: 1rem;
        margin-right: 1rem;
    } */
    .media-text {
        padding: 2rem;
    }
    .media-title {
        font-size: 1.5rem;
        line-height: 2rem;
    }
    .news {
        padding-left: 2rem;
        padding-right: 2rem;
    }
    .question {
        font-size: 1.875rem;
        line-height: 1.375;
    }
    .form {
        display: flex;
    }
    .email {
        margin-bottom: 0;
    }
    .sub {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 720px) {
    .main {
        max-width: 720px;
    }
    .home {
        padding-top: 150px;
    }
    .home-part1-h1 {
        font-size: 3rem;
        line-height: 1.25;
    }
    .home-part1-p {
        font-size: 1.25rem;
        line-height: 1.625;
    }
    .signUp {
        padding-left: 2.25rem;
        padding-right: 2.25rem;
    }
    .title {
        font-size: 45px;
    }
    .para {
        font-size: 1.125rem;
        line-height: 1.625;
    }
    .about-part2-icon {
        font-size: 1.125rem;
        line-height: 1.75rem;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    .paraW {
        max-width: 640px;
    }
    .contentW {
        width: 50%;
    }
    .info-name {
        font-size: 1.125rem;
        line-height: 1.75rem;
    }
    .priceW {
        width: 50%;
    }
    .price {
        padding-left: 2rem;
        padding-right: 2rem;
    }
    .brand {
        padding: 40px 50px;
    }
    .mediaW {
        width: 66.666667%;
    }
    .media-text {
        padding: 2rem 1.5rem;
    }
    .table {
        width: 50%;
    }
    .more {
        max-width: 400px;
    }
    .sub {
        padding-left: 2.5rem;
        padding-right: 2.5rem;
    }
    .content-part2 {
        width: 66.6666667%;
    }
    .content-part3 {
        width: 33.333333%;
    }
    .content-right {
        text-align: right;
    }
}

@media (min-width: 960px) {
    .main {
        max-width: 960px;
    }
    .navbarToggler {
        display: none;
    }
    .navbar {
        display: block;
        position: static;
        width: 100%;
        max-width: 100%;
        background-color: transparent;
        padding: 0 1rem;
        box-shadow: 0 0 #000;
    }
    .nav {
        display: flex;
    }
    .nav-item {
        display: inline-flex;
        margin-right: 0;
        padding-left: 0;
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
    }
    .nav-left {
        margin-left: 2rem;  
    }
    .nav-padding {
        padding-left: 0;
        padding-right: 1rem;
    }
    .nav-last::after {
        content: "";
        right: 0;
    }
    .submenu {
        display: block;
        position: absolute;
        top: 110%;
        visibility: hidden;
        opacity: 0;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    }
    .nav-li:hover .submenu {
        top: 100%;
        visibility: visible;
    }
    .home-part1 {
        line-height: 1.25;
    }
    .signInUp {
        padding-right: 0;
    }
    .signUp {
        padding-left: 2rem;
        padding-right: 2rem;
    }
    .home-img {
        margin-top: 3.5rem;
    }
    .contentW {
        width: 33.333333%;
    }
    .about-part2-img {
        width: 854px;
    }
    .feature-item-h3 {
        font-size: 1.25rem;
        line-height: 1.75rem;
    }
    .halfW {
        width: 50%;
    }
    .client {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    .client-intro {
        display: block;
    }
    .info-name {
        font-size: 1rem;
        line-height: 1.5rem;
    }
    .score {
        justify-content: flex-start;
        margin-top: 1rem;
    }
    .priceW {
        width: 33.333333%;
    }
    .price {
        padding: 2.5rem 1.5rem;
    }
    .description {
        margin-bottom: 1.5rem;
        padding-bottom: 1.5rem;
    }
    .aws {
        max-width: 200px;
    }
    .ali-logo {
        max-width: 200px;
    }
    .tencent-logo {
        max-width: 300px;
    }
    .mediaW {
        width: 50%;
    }
    .media-text {
        padding: 2rem;
    }
    .contactW {
        width: 83.333333%;
    }
    .news {
        display: flex;
    }
    .more {
        margin-bottom: 0;
    }
    .subscribe {
        max-width: 520px;
    }
    .email {
        max-width: 350px;
    }
    .content-part1 {
        width: 33.333333%;
    }
    .content-part2 {
        width: 41.6666667%;
    }
    .content-part3 {
        width: 25%;
    }
}

@media (min-width: 1140px) {
    .main {
        max-width: 1140px;
    }
    .navbar {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    .nav-item {
        padding-right: 1rem;
    }
    .nav-left {
        margin-left: 3rem;
    }
    .home {
        padding-top: 180px;
    }
    .signUp {
        padding-left: 2.25rem;
        padding-right: 2.25rem;
    }
    .feature-item-h3 {
        font-size: 1.5rem;
        line-height: 2rem;
    }
    .client-intro {
        display: flex;
    }
    .info-name {
        font-size: 1.125rem;
        line-height: 1.75rem;
    }
    .score {
        justify-content: flex-end;
        margin-top: 0;
    }
    .price {
        padding: 2.5rem;
    }
    .description {
        margin-bottom: 2.25rem;
        padding-bottom: 2.25rem;
    }
    .brand {
        padding: 50px;
    }
    /* .brand-logo {
        max-width: 150px;
        margin-left: 1.5rem;
        margin-right: 1.5rem;
    } */
    .mediaW {
        width: 33.333333%;
    }
    .media-text {
        padding: 2rem 1.25rem;
    }
    .author-info {
        margin-right: 0.75rem;
        padding-right: 0.75rem;
    }
    .contactW {
        width: 66.666667%;
    }
}

@media (min-width: 1320px) {
    .main  {
        max-width: 1320px;
    }
    .feature-item {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    .brand {
        padding-left: 70px;
        padding-right: 70px;
    }
    /* .brand-logo {
        max-width: 160px;
        margin-left: 2rem;
        margin-right: 2rem;
    } */
    .media-text {
        padding: 2rem;
    }
    .author-info {
        margin-right: 1.25rem;
        padding-right: 1.25rem;
    }
    .content-part1 {
        width: 41.666667%;
    }
    .content-part3 {
        width: 16.666667%;
    }
    .line {
        justify-content: flex-end;
    }
}