:root {
    /* == cards variables == */
    --cards_surface-color: #fff;
    --cards_curve: 40;
    --cards_card-width: 200px;
    --cards_card-min-width: 200px;
    --cards_card-max-width: 300px;

    /* == side nav bar varables == */
    --sidebar-bg-color: #fff;
    --sidebar-primary-color: #695cfe;
    --sidebar-hover-text-color: #ccc;

    --sidebar-tran-03: all 0.3s ease;
}

body.dark {
    --sidebar-bg-color: #025e72;
    --sidebar-primary-color: #04d8d8;
    --sidebar-hover-text-color: #ccc;
}


body {
    background-color: rgba(242, 242, 242, 1);
    display: flex;
    flex-direction: column;
    flex: 1;
    /* overflow: hidden; */
    margin: 0;
}

/**  个人版/企业版 切换  **/
.pricing-toggle {
    position: absolute;
    top: 3%;
    left: 3%;
    z-index: 1;
    background-color: rgba(255,255,255, 0.46);
    padding: 0.8rem 0.2rem;
    border-radius: 30px;
    display: inline-block
}

.pricing-toggle [name="pricing"] {
    display: none
}

.pricing-toggle input[type="radio"]+label {
    color: black;
    padding: 0.6rem 0.6rem;
    border-radius: 30px;
    cursor: pointer;
    user-select: none;
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

.pricing-toggle input[type="radio"]:checked+label {
    background-color: white;
    color: black;
}


/* 自适应调整尺寸 */
@media (max-width: 768px) {
    .pricing-toggle {
        top: 2%;
        left: 2%;
        padding: 0.6rem 0.2rem;
        font-size: 0.7rem;
    }

    .pricing-toggle input[type="radio"] + label {
        padding: 0.4rem 0.4rem;
    }
}




/************ main logo and info *************/
.main-logo-info-div {
    width: 100%;
    height: 50vh;
    position: relative;
    /* border: 1px solid black; */
    /* background-image: url("../img/bg44.jpg"); */
    background-image: url("https://aix-1318605340.cos.ap-shanghai.myqcloud.com/web_v2/img/bg_pure.jpg");
    background-size: cover;
    /* background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center; */
}


.main-logo-overflow{
    position: relative;
    top: 30%;
    
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-logo {
    height: 12vh;
}

.main-logo-overflow1 {
    position: relative;
    top: 0;

    display: flex;
    justify-content: center;
    align-items: center;
}

.main-logo1 {
    height: 50vh;
}

.main-logo-overflow2 {
    position: absolute;
    bottom: 0;

    display: flex;
    justify-content: center;
    align-items: center;
}

.main-logo2 {
    height: 15vh;
}
@media (min-width: 800px) {
    .main-logo2 {
        height: 20vh;
    }
}

.main-title{
    font-size: 12vh;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
}


/************ services *************/
.page-section{
    padding-top: 6rem;
    padding-bottom: 3rem;
    width: 100%;
}

.page-section:nth-child(even) {
    background-color: rgb(248, 249, 250); /* 奇数位置背景颜色为白色 */
}

.page-section-module{
    --bs-gutter-x: 1.5rem;
    --bs-gutter-y: 0;
    padding-right: calc(var(--bs-gutter-x)* 0.5);
    padding-left: calc(var(--bs-gutter-x)* 0.5);
    margin-right: 10vw;
    margin-left: 10vw;
}


.page-section-module-title{
    text-align: center;
}

.page-section-module-title-first{
    font-size: 2.5rem;
    margin-top: 0;
    margin-bottom: 1rem;
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-weight: 700;
    line-height: 1.2;
}

.page-section-module-title-second{
    font-size: 1rem;
    font-weight: 400;
    font-style: italic;
    font-family: "Roboto Slab", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    margin-bottom: 4rem;
    color: #6c757d !important;
}

.page-section-module-content{
    --bs-gutter-x: 1.5rem;
    --bs-gutter-y: 0;
    display: flex;
    flex-wrap: wrap;
    margin-top: calc(-1* var(--bs-gutter-y));
    margin-right: calc(-0.5* var(--bs-gutter-x));
    margin-left: calc(-0.5* var(--bs-gutter-x));
    text-align: center;
    justify-content: center;
}

.page-section-module-content > * {
    --bs-gutter-x: 1.5rem;
    --bs-gutter-y: 0;
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
    padding-right: calc(var(--bs-gutter-x)* 0.5);
    padding-left: calc(var(--bs-gutter-x)* 0.5);
    margin-top: var(--bs-gutter-y);
}

@media (min-width: 900px) {
    .page-section-module-content-item{
        flex: 0 0 auto;
        width: 22%;
    }
}

.page-section-module-content-item{
    /* transition: background-color 0.3s; */
    transition: box-shadow 0.3s; /* 添加过渡效果 */
}

.page-section-module-content-item:hover{
    cursor: pointer;
    box-shadow: 0 0 2px 2px rgba(192, 188, 188, 0.3); 
}


.page-section-module-content-item-icon{
    display: inline-block;
    vertical-align: middle;
    height: 2em;
    position: relative;
    width: 2.5em;
    font-size: 4em;
}


.fa-stack {
    display: inline-block;
    vertical-align: middle;
    height: 2em;
    position: relative;
    width: 2.5em;
}

.fa-4x {
    font-size: 4em;
}

.fa-stack-2x {
    height: 2em;
    width: 2.5em;
}

.text-primary {
    --bs-text-opacity: 1;
    --bs-primary-rgb: 255, 200, 0;
    color: rgba(var(--bs-primary-rgb), var(--bs-text-opacity)) !important;
}

.fa-stack-1x, .fa-stack-2x {
    bottom: 0;
    left: 0;
    margin: auto;
    position: absolute;
    right: 0;
    top: 0;
}

.fa-stack-1x {
    height: 1em;
    width: 1.25em;
}

.fa-inverse {
    color: #fff;
}

.page-section-module-content-item-title{
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-size: calc(1.275rem + 0.3vw);
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-weight: 700;
    line-height: 1.2;
}

.page-section-module-content-item-description{
    color: #6c757d;
    line-height: 1.75;
    margin-top: 0;
    margin-bottom: 2.5rem;
}


/************ home footer *************/
.home-footer{
    margin-top: 2vh;
}



/************ side bar *************/
.sidebar * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

nav ::selection {
    /* hover背景颜色 */
    background-color: var(--primary-color);
    color: #fff;
}

.sidebar {
    position: fixed;
    top: 25%;
    right: 0;
    /* height: 100%; */
    width: 60px;
    padding: 10px 2px;
    background: var(--sidebar-bg-color);
    transition: var(--sidebar-tran-03);
    z-index: 1;
    border-radius: 15px;

    box-shadow: -2px 0 6px rgba(0, 0, 0, 0.2);
}

@media (max-width: 700px) {
    .sidebar{
        top: 17%;
    }
}

.sidebar .bottom-content {
    margin-top: 50px;
}

.sidebar.close {
    width: 0px;
}


.sidebar li {
    height: 50px;
    list-style: none;
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.sidebar header .image,
.sidebar .icon {
    min-width: 60px;
    border-radius: 6px;
}

.sidebar .icon {
    min-width: 60px;
    border-radius: 6px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: var(--sidebar-tran-03);
}


.sidebar header {
    position: relative;
}

.sidebar header .image-text {
    display: flex;
    align-items: center;
}

.sidebar header .image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar header .image img {
    width: 40px;
    border-radius: 6px;
}

.sidebar .sidebar-toggle {
    position: absolute;
    top: 50%;
    left: -24px;
    transform: translateY(-50%) rotate(0deg);
    height: 38px;
    width: 38px;
    background-color: var(--sidebar-primary-color);
    color: var(--sidebar-bg-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    transition: var(--tran-05);
}


.sidebar.close .sidebar-toggle {
    transform: translateY(-50%) rotate(180deg);
}

.sidebar .menu {
    margin-top: 20px;
}


.sidebar li:hover {
    background-color: var(--sidebar-primary-color);
    cursor: pointer;
}

.sidebar li:hover .icon {
    color: var(--sidebar-bg-color);
    cursor: pointer;
}


.sidebar .menu-bar {
    height: calc(100% - 55px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow-y: scroll;
}

.sidebar .menu-bar::-webkit-scrollbar {
    display: none;
}

.sidebar .menu-bar .sun-moon {
    position: relative;
    transition: var(--tran-05);
}

.sidebar .menu-bar .sun-moon i {
    position: absolute;
}

.sidebar .menu-bar .sun-moon i.sun {
    opacity: 0;
}

body.dark .sidebar .menu-bar .sun-moon i.sun {
    opacity: 1;
}

body.dark .sidebar .menu-bar .sun-moon i.moon {
    opacity: 0;
}

body.dark .sidebar li:hover .icon {
    color: var(--sidebar-hover-text-color);
}



/* sidebar tooltiptext */
.sidebar .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: black;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    position: absolute;
    z-index: 100;
    right: 110%;
}

.sidebar li:hover .tooltiptext {
    visibility: visible;
}

.sidebar .tooltiptext::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 100%;
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent black;
}





/* 通用加载中弹窗 */
.report_modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.report_modal-content {
    background: white;
    padding: 20px;
    border-radius: 8px;
    width: 400px;
    max-width: 90%;
}


.lds-ellipsis,
.lds-ellipsis div {
  box-sizing: border-box;
}
.lds-ellipsis {
  /* display: inline-block; */
  position: relative;
  width: 80px;
  height: 80px;
  left: 100px;
}
.lds-ellipsis div {
  position: absolute;
  top: 33.33333px;
  width: 13.33333px;
  height: 13.33333px;
  border-radius: 50%;
  background: currentColor;
  animation-timing-function: cubic-bezier(0, 1, 1, 0);
}
.lds-ellipsis div:nth-child(1) {
  left: 8px;
  animation: lds-ellipsis1 0.6s infinite;
}
.lds-ellipsis div:nth-child(2) {
  left: 8px;
  animation: lds-ellipsis2 0.6s infinite;
}
.lds-ellipsis div:nth-child(3) {
  left: 32px;
  animation: lds-ellipsis2 0.6s infinite;
}
.lds-ellipsis div:nth-child(4) {
  left: 56px;
  animation: lds-ellipsis3 0.6s infinite;
}
@keyframes lds-ellipsis1 {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes lds-ellipsis3 {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(0);
  }
}
@keyframes lds-ellipsis2 {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(24px, 0);
  }
}