/********** Template CSS **********/
:root {
    --primary: #16D5FF;
    --secondary: #999999;
    --light: #F2F8FE;
    --dark: #111111;
}

.back-to-top {
    position: fixed;
    display: none;
    right: 30px;
    bottom: 60px;
    z-index: 99;
}

h4,
h5,
h6,
.h4,
.h5,
.h6 {
    font-weight: 500 !important;
}


/*** Spinner ***/
#spinner {
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s ease-out, visibility 0s linear .5s;
    z-index: 99999;
}

#spinner.show {
    transition: opacity .5s ease-out, visibility 0s linear 0s;
    visibility: visible;
    opacity: 1;
}


/*** Button ***/
.btn {
    font-weight: 500;
    transition: .5s;
}

.btn.btn-primary {
    color: #FFFFFF;
}

.btn-square {
    width: 38px;
    height: 38px;
}

.btn-sm-square {
    width: 32px;
    height: 32px;
}

.btn-lg-square {
    width: 48px;
    height: 48px;
}

.btn-square,
.btn-sm-square,
.btn-lg-square {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: normal;
}


/*** Navbar ***/
.navbar.sticky-top {
    top: -100px;
    transition: .5s;
}

.navbar .navbar-brand {
    height: 75px;
}

.navbar .navbar-nav .nav-link {
    margin-right: 30px;
    padding: 25px 0;
    color: var(--dark);
    font-weight: 500;
    outline: none;
}

.navbar .navbar-nav .nav-link:hover,
.navbar .navbar-nav .nav-link.active {
    color: var(--primary);
}

.navbar .dropdown-toggle::after {
    border: none;
    content: "\f107";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    vertical-align: middle;
    margin-left: 8px;
}

@media (max-width: 991.98px) {
    .navbar .navbar-nav .nav-link  {
        margin-right: 0;
        padding: 10px 0;
    }

    .navbar .navbar-nav {
        border-top: 1px solid #EEEEEE;
    }
}

@media (min-width: 992px) {
    .navbar .nav-item .dropdown-menu {
        display: block;
        border: none;
        margin-top: 0;
        top: 150%;
        opacity: 0;
        visibility: hidden;
        transition: .5s;
    }

    .navbar .nav-item:hover .dropdown-menu {
        top: 100%;
        visibility: visible;
        transition: .5s;
        opacity: 1;
    }
}

.navbar .btn:hover {
    color: #FFFFFF !important;
    background: var(--primary) !important;
}


/*** Header ***/
.hero-header .breadcrumb-item+.breadcrumb-item::before {
    color: var(--secondary);
}


/*** Service ***/
.service-item {
    position: relative;
    overflow: hidden;
    cursor: pointer; 
}

.service-item::after {
    position: absolute;
    content: "";
    width: 0;
    height: 0;
    top: -80px;
    right: -80px;
    border: 80px solid;
    transform: rotate(45deg);
    opacity: 1;
    transition: .5s;
}

.service-item.bg-white::after {
    border-color: transparent transparent var(--light) transparent;
}

.service-item.bg-light::after {
    border-color: transparent transparent #FFFFFF transparent;
}

.service-item:hover::after {
    opacity: 0;
}


/*** Roadmap ***/
.roadmap-carousel {
    position: relative;
}

.roadmap-carousel::before {
    position: absolute;
    content: "";
    height: 0;
    width: 100%;
    top: 20px;
    left: 0;
    border-top: 2px dashed var(--secondary);
}

.roadmap-carousel .roadmap-item .roadmap-point {
    position: absolute;
    width: 30px;
    height: 30px;
    top: 6px;
    left: 50%;
    margin-left: -15px;
    background: #FFFFFF;
    border: 2px solid var(--primary);
    transform: rotate(45deg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.roadmap-carousel .roadmap-item .roadmap-point span {
    display: block;
    width: 18px;
    height: 18px;
    background: var(--primary);
}

.roadmap-carousel .roadmap-item {
    position: relative;
    padding-top: 150px;
    text-align: center;
}

.roadmap-carousel .roadmap-item::before {
    position: absolute;
    content: "";
    width: 0;
    height: 115px;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-right: 2px dashed var(--secondary);
}

.roadmap-carousel .roadmap-item::after {
    position: absolute;
    content: "";
    width: 14px;
    height: 14px;
    top: 111px;
    left: 50%;
    margin-left: -7px;
    transform: rotate(45deg);
    background: var(--primary);
}

.roadmap-carousel .owl-nav {
    margin-top: 40px;
    display: flex;
    justify-content: center;
}

.roadmap-carousel .owl-nav .owl-prev,
.roadmap-carousel .owl-nav .owl-next {
    margin: 0 12px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    font-size: 22px;
    color: var(--light);
    background: var(--primary);
    transition: .5s;
}

.roadmap-carousel .owl-nav .owl-prev:hover,
.roadmap-carousel .owl-nav .owl-next:hover {
    color: var(--primary);
    background: var(--dark);
}


/*** FAQs ***/
.accordion .accordion-item {
    border: none;
    margin-bottom: 15px;
}

.accordion .accordion-button {
    background: var(--light);
    border-radius: 2px;
}

.accordion .accordion-button:not(.collapsed) {
    color: #FFFFFF;
    background: var(--primary);
    box-shadow: none;
}

.accordion .accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion .accordion-body {
    padding: 15px 0 0 0;
}


/*** Footer ***/
.footer .btn.btn-link {
    display: block;
    margin-bottom: 5px;
    padding: 0;
    text-align: left;
    color: var(--secondary);
    font-weight: normal;
    text-transform: capitalize;
    transition: .3s;
}

.footer .btn.btn-link::before {
    position: relative;
    content: "\f105";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    color: var(--secondary);
    margin-right: 10px;
}

.footer .btn.btn-link:hover {
    color: var(--primary);
    letter-spacing: 1px;
    box-shadow: none;
}

.footer .btn.btn-square {
    color: var(--primary);
    border: 1px solid var(--primary);
}

.footer .btn.btn-square:hover {
    color: #FFFFFF;
    background: var(--primary);
}

.footer .copyright {
    padding: 25px 0;
    border-top: 1px solid rgba(17, 17, 17, .1);
}

.footer .copyright a {
    color: var(--primary);
}

.footer .copyright a:hover {
    color: var(--dark);
}

/* 开始 */
.content-wrapper {
    display: flex;
}

.content-left {
    flex: 1;
    padding-right: 40px;
    padding-top: 35px;
}

.content-right {
    width: 500px;
    flex-shrink: 0;
}

.section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 20px;
    color: #222;
    position: relative;
    padding-left: 40px;
    border-bottom-style: dashed;
    border-bottom-width: 2px;
    border-bottom-color: #999;
    padding-bottom: 20px;
}

.section-title::before {
    content: '01';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 28px;
    font-weight: 600;
    color: #16D5FF;
}

.section:nth-child(2) .section-title::before {
    content: '02';
}

.president-photo {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.president-photo img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 768px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .content-right {
        width: 100%;
        margin-top: 30px;
    }
    
    .content-left {
        padding-right: 0;
    }
}


/* begin */
.solution-content {
    display: flex;
    flex-wrap: wrap;
    padding: 40px 20px;
}

.left-features, .right-features {
    flex: 1;
    min-width: 300px;
    padding: 0 20px;
}

.center-image {
    flex: 0 0 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
}

.image-wrapper {
    width: 250px;
    height: 250px;
    background: #78e6ff;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    /* 多层阴影实现光晕效果 */
    box-shadow: 
        0 0 0 20px rgba(22, 213, 255, 0.2),
        0 0 0 45px rgba(22, 213, 255, 0.1),
        0 0 0 80px rgba(22, 213, 255, 0.08),
        0 0 0 130px rgba(22, 213, 255, 0.05),
        0 10px 30px rgba(22, 213, 255, 0.3);
    position: relative;
    z-index: 2;
}

.image-icon {
    font-size: 4rem;
}

.image-icon img {
    width: 100px;
    height: 100px;
}

.image-text {
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    padding: 0 10px;
}

/* 修改左右图标对齐方式 */
.left-features .feature-item {
    flex-direction: row-reverse;
    text-align: right;
    justify-content: flex-end;
}

.right-features .feature-item {
    justify-content: flex-start;
}

.feature-item {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-start;
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 15px;
    flex-shrink: 0;
}

.feature-icon img {
    font-size: 1.5rem;
    color: #16D5FF;
    width: 60px;
    height: 60px;
}

.feature-content {
    flex: 1;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #444;
}

.feature-description {
    font-size: 0.95rem;
    color: #666;
}

@media (max-width: 900px) {
    .solution-content {
        flex-direction: column;
    }
    
    .center-image {
        order: -1;
        margin-bottom: 30px;
    }
    
    .left-features, .right-features {
        width: 100%;
    }
}

.card1 {
    text-align: center; /* 使内容居中 */
    padding: 20px;
    background: white;
    border-radius: 10px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center; /* 水平居中 */
}

.card1 .card-img {
    width: 60px; /* 图标大小60px */
    height: 60px;
    background-color: #005cb9; /* 蓝色背景 */
    border-radius: 50%; 
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-img img {
    width: 35px; /* 图标大小60px */
    height: 35px;
}
        
.card1 p {
    margin: 15px;
    line-height: 1.5;
    text-align: center;
}


.banner-img-container {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    /* height: 400px; */
}

.banner-img-container:hover {
    transform: translateY(-5px);
}

.banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    z-index: 1;
}

/* 添加黑色覆盖层样式 */
.banner-img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4); /* 黑色，40%透明度 */
    z-index: 2; /* 确保覆盖层在图片之上 */
    transition: background-color 0.3s ease;
}

.banner-img-container:hover .banner-img {
    transform: scale(1.05);
}

.caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    color: white;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 500;
    z-index: 3;
}


/* 图片容器样式 */
.img-bg {
    display: flex;
    justify-content: flex-start; /* 图片靠左对齐 */
    align-items: center; 
    padding-right: 30px; /* 与右侧内容保持间距 */
}
.img-bg1 {
    display: flex;
    justify-content: flex-start; /* 图片靠左对齐 */
    align-items: center; 
    padding-right: 30px; /* 与右侧内容保持间距 */
}
.img-bg1 img {
    width: 100%;
    max-width: 580px; /* 控制图片最大宽度 */
    height: auto;
    border-radius: 8px; /* 圆角效果 */
}
/* 图片样式 */
.img-bg img {
    width: 100%;
    max-width: 580px; /* 控制图片最大宽度 */
    height: auto;
    border-radius: 8px; /* 圆角效果 */
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.2); /* 添加阴影效果 */
}

/* 响应式设计调整 */
@media (max-width: 768px) {
    .img-bg:first-child {
        padding-right: 0;
        margin-bottom: 20px;
        justify-content: center; /* 移动端居中显示 */
    }
    
    .img-bg img {
        max-width: 100%; /* 移动端图片宽度100% */
    }
}