body {

    /* 手机设备上左右要留空，不然不好看 */
    /* 会影响到 Footer 拉满底部，所以 Footer 这次没用撑满样式 */
    margin-left: 16px;
    margin-right: 16px;

    font-family: Verdana, Geneva, Tahoma, sans-serif, '微软雅黑', '宋体';
}

a {
    
    text-decoration: none; 
}

.website-version {
    font-size: 0.8rem;
}
.light-theme .website-version {
    color: #aaa ;
}
.dark-theme .website-version {
    color: #666 ;
}

/* 导航条 图标 */
.title-logo {
    width: 200px; 
    height: 48px;
    margin-left: -8px;
}

.lang-border-bg {
    border: none !important;
    background: none !important; 
    box-shadow: none !important; 
    padding-left: 3px;
    font-size: 1.0em;
}

.light-theme .lang-border-bg {
    color: #eee ;
}
.dark-theme .lang-border-bg {
    color: #eee ;
}


.light-theme .lang-border-bg:hover {
    color: #000 ;
}
.dark-theme .lang-border-bg:hover {
    color: #fff ;
}

/* 右上角 主题 图标按钮*/
.theme-btn {
    width:  20px;
    height: 20px;
    cursor: pointer;
    margin-right: 10px;
    filter: invert(48%) sepia(79%) saturate(26%) hue-rotate(412deg) brightness(118%) contrast(419%);
}

/* 右上角 主题 图标按钮 黑白模式下的颜色 */
.dark-theme .theme-btn-color {
    filter: invert(48%) sepia(79%) saturate(26%) hue-rotate(412deg) brightness(118%) contrast(419%);
}

.light-theme .theme-btn-color {
    filter: invert(48%) sepia(79%) saturate(26%) hue-rotate(112deg) brightness(18%) contrast(119%);
}

/* 右上角 语言选择 按钮 */
.language-btn {
    float: left;
    margin-right: 16px;
}

.pro-img {
    width: 100%; 
    max-height: 280px; 
    object-fit: contain;
}

.dark-theme .navbar-pro-border {
    border: 1px solid #4f5c69;
    padding-top:    26px !important;
    padding-bottom: 26px !important;
    background-color: #282e33;
}
.light-theme .navbar-pro-border {
    border: 1px solid #235fa0;
    padding-top:    26px !important;
    padding-bottom: 26px !important;
    background-color: #f5f5f5;
}

.flagicon {
    margin-left: 16px;
    margin-right: 6px;
    width: 18px;
    height: 18px;
    padding-bottom: 3px;
    display: inline-block; /* or 'inline-flex' if also using flex properties */
    vertical-align: middle;
}

.dropdown-item {
    display: inline !important;
    padding-left: 10px !important;
}

.slogan-row1 {
    font-size:      26px;
    color:          #178573;
    letter-spacing: 4px;
    margin-top:     40px;
}

.slogan-row2 {
    font-size:      34px;
    color:          #178573;
    font-weight:    600;
    letter-spacing: 10px;
    margin-top:     8px;
    margin-bottom:  32px;
}

.dark-theme .slogan-row2 {
    color:          #178573;
}

.slogan-row1-letter {
    font-size:      26px;
    color:          #178573;
    margin-top:     40px;
}

.slogan-row2-letter {
    font-size:      30px;
    color:          #178573;
    font-weight:    600;
    margin-top:     8px;
    margin-bottom:  32px;
}

.dark-theme .slogan-row2-letter {
    color:          #178573;
}

.app-store {
    max-width:  210px;
}

.carousel-img-text {
    font-size: 36px;
}

.dark-theme .carousel-img-text {
    color: #fff;
}
.light-theme .carousel-img-text {
    color: #000;      
}

.introduce-img {
    width: 440px;
    height: auto;
    object-fit: contain;
}

.introduce-body {
    font-size: 1.2rem;
}
.introduce-foot {
    text-align: right;
    font-size: 1.0rem;
}


.content-start {
    padding-right: 0;
    padding-left: 0;
    margin-top: 2.5rem !important;
}

.card-container {
    margin-right: -0.76rem;
    margin-left: -0.76rem;
}

.feature-title {
    padding: 10px 18px;
    border-radius: 22px;
}

.dark-theme .feature-title {
    border: 1px solid #666;
    color: #178573;
    background-color: #222;
}
.light-theme .feature-title {
    border: 1px solid #ccc;
    color: #000;
    background-color: #eee;   
}

.dark-theme .card-title {
    color: #aaa;
}
.light-theme .card-title {
    color: #000;
}

.dark-theme .card-bar {
    background-color: #16191c;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}
.light-theme .card-bar {
    background-color: #e1e1e1;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

.dark-theme .card-ex {
    border: 1px solid #4f5c69;
    background-color: #282e33;
}
.light-theme .card-ex {
    border: 1px solid #235fa0;
    background-color: #fff;
}

.feature-icon {
    padding-left: 10px;
    width:  64px;
    height: 64px;
}

.dark-theme .feature-sub-title {
    color: #4f687d;
}

.light-theme .feature-sub-title {
    color: #757575;
}


/* 小屏时文字居中 */
@media (max-width: 575.98px) {

    .dark-theme .feature-sub-title {
        color: #4f687d;
        text-align: center;
    }
    
    .light-theme .feature-sub-title {
        color: #757575;
        text-align: center;
    }

    .card-title-ex {
        margin-top: 10px;
    }

    .dark-theme .card-title {
        color: #aaa;
        text-align: center;
    }
    .light-theme .card-title {
        color: #235fa0;
        text-align: center;
    }
    
}

.footer-frame {

    padding-left:  0px;
    padding-right: 0px;
    
}

.footer-header {
    padding-top:    12px;
    padding-left:   0px;
    padding-right:  0px;
    padding-bottom: 16px;
}


.footer-area a {
    margin-top: 20px;
    margin-right: 20px; 
    text-decoration: none; 
}

.footer-partner{
    text-align: center;
    padding-bottom: 25px;
    color: #1974bb;
}

.footer-partner a {
    margin-top: 30px;
    margin-right: 20px; 
    text-decoration: none; 
}

.footer-partner span {
    display: block;
    margin-bottom: 10px;
}

.logo-a {
    display: flex;
    align-items: center;
}

.logo-img {
    width: 44px;
    height: 44px;
}

.logo-text {
    font-size: 1.4rem;
}

.light-theme .logo-text {
    color: #fff ;
}
.dark-theme .logo-text {
    color: #fff ;
}

.nav-wide-bar {
    width: calc( 100% + 32px); 
    margin-left: -16px; 
    padding-left: 16px;
    border-radius: 0px !important;
    z-index: 10000;
}

.sidebar-menu {
    width:  30px;
    height: 30px;
    margin-right: 18px;
    display: none;
}

@media (max-width: 991.98px) {
    .sidebar-menu {
        width:  30px;
        height: 30px;
        margin-left: 10px;
        display: inline-block;
    }
}

.sidenav {
    padding-top: 40px;
    min-width: 320px;
    position: fixed;
    left: -320px; 
    top: 0;
    bottom: 0;
    overflow-x: hidden;
    transition: left 0.3s; 
    z-index: 10001; 
}
  
.sidenav.show {
    left: 0; 
}

.dark-theme .sidenav {
    background-color: #212529; 
    border-right: 1px solid #394047;
    color: #fff;
}
.light-theme .sidenav {
    background-color: #fff; 
    border-right: 1px solid #ddd;
    color: #000;
}

#close-menu {
    top:   12px;
    right: 12px;
    position: absolute;
}

#close-menu {
    width:  36px;
    height: 36px;
    margin-right: 1px;
    cursor: pointer;
}
#close-menu:active {
    margin-right: 0px;
    margin-top:   1px;
}





.tips_box {
    border-color: #090 !important;
}

.dark-theme .tips_box_bg {
    background-color: #111;
}
.light-theme .tips_box_bg {
    background-color: #eee; 
}

.tips_mark {
    align-items: center;
    border-radius: 4px;
    color: #fff;
    display: inline-flex;
    font-size: 1.0rem;
    height: 2em;
    justify-content: center;
    line-height: 1.5;
    margin-bottom: 14px;
    padding-left: 0.75em;
    padding-right: 0.75em;
}

.tips_warning {
    background-color: #f33636;
    height: 3em;
    padding-left: 1em;
    padding-right: 1em;
}

.tips_advice {
    background-color: #080;
    height: 3em;
    padding-left: 1em;
    padding-right: 1em;
}

.tips_category {
    background-color: #0a77e1;
    height: 3em;
    padding-left: 1em;
    padding-right: 1em;
}


.tree {
  font-family: monospace;
  white-space: pre;
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 1.5em;
  border-radius: 8px;
  overflow-x: auto;
}
.comment {
  color: #6a9955;
}