/********** Template CSS **********/
:root {
    --primary: #32C36C;
    --light: #F6F7F8;
    --dark: #1A2A36;
}

.fw-medium {
    font-weight: 500 !important;
}

.fw-bold {
    font-weight: 700 !important;
}

.fw-black {
    font-weight: 900 !important;
}

.back-to-top {
    position: fixed;
    display: none;
    right: 45px;
    bottom: 45px;
    z-index: 99;
}


/*** 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;
}

/* 防止图标被挤压 */
.d-flex.align-items-center .btn-lg-square {
    flex: 0 0 auto;  /* 防止图标被压缩 */
    min-width: 42px; /* 确保最小宽度 */
}

/* 调整文字容器 */
.d-flex.align-items-center .ms-4 {
    min-width: 0;    /* 允许文字容器收缩 */
    flex: 1;         /* 让文字容器占用剩余空间 */
}

/* 确保数字不会换行 */
.d-flex.align-items-center h1.mb-0 {
    white-space: nowrap;
}

.btn.btn-primary,
.btn.btn-outline-primary:hover {
    color: #FFFFFF;
}

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

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

.btn-lg-square {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    flex: 0 0 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,
.navbar a.btn {
    height: 75px;
}

.navbar .navbar-nav .nav-link {
    margin-right: 30px;
    padding: 25px 0;
    color: var(--dark);
    font-size: 15px;
    font-weight: 500;
    text-transform: uppercase;
    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: 4px 0;
        font-size: 14px;
    }

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

    /* 调整导航栏高度 */
    .navbar .navbar-brand,
    .navbar a.btn {
        height: 50px;  /* 进一步减小导航栏高度 */
    }

    /* 调整品牌名称大小 */
    .navbar-brand h2 {
        font-size: 1.1rem;
        margin: 0;
    }

    /* 调整汉堡菜单按钮大小和位置 */
    .navbar-toggler {
        padding: 3px 6px;
        font-size: 0.9rem;
    }

    /* 调整导航栏内边距 */
    .navbar.navbar-expand-lg {
        padding-top: 0.15rem !important;
        padding-bottom: 0.15rem !important;
    }

    /* 调整下拉菜单内边距 */
    .navbar-collapse {
        padding-top: 0.25rem;
        padding-bottom: 0.25rem;
    }
}

@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;
    }
}


/*** Header ***/
.header-carousel {
    position: relative;
    width: 100%;
}

.owl-carousel-inner {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    background: none;  /* 移除灰色背景 */
}

/* 基础样式 */
.header-carousel .owl-carousel-item {
    position: relative;
    min-height: 300px;
}

.header-carousel .owl-carousel-item img {
    width: 100%;
    height: auto;
}

/* 移动端样式 */
@media (max-width: 768px) {
    .header-carousel .owl-carousel-item {
        position: relative;
        width: 100%;
        padding-top: 100%;    /* 1:1 比例 */
    }
    
    .header-carousel .owl-carousel-item img {
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        object-fit: cover;
    }

    /* 调整轮播图和其他区块的间距 */
    .container-fluid.pb-5 {
        padding-bottom: 0.5rem !important;
    }

    /* 调整所有主要区块的间距 */
    .container-xxl.py-5 {
        padding-top: 1rem !important;
        padding-bottom: 1rem !important;
    }

    /* 调整区块之间的间距 */
    #features {
        padding-top: 0.5rem !important;
    }

    #products {
        padding-top: 0.5rem !important;
    }

    #brands {
        padding-top: 0.5rem !important;
    }

    /* 调整标题和内容的间距 */
    .text-center.mb-5 {
        margin-bottom: 0.75rem !important;
    }

    /* 减小区块内部的间距 */
    .container-xxl .container {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    /* 调整各个区块的标题大小 */
    .container-xxl h2 {
        font-size: 1.25rem;
    }

    /* Features 部分的间距 */
    #features .row.g-5 {
        --bs-gutter-y: 0.5rem;
        margin-top: 0 !important;
    }

    /* Products 部分的间距 */
    #products .row.g-4 {
        --bs-gutter-y: 0.5rem;
        margin-top: 0 !important;
    }

    /* Brands 部分的间距 */
    #brands .row.g-4 {
        --bs-gutter-y: 0.5rem;
        margin-top: 0 !important;
    }

    /* Footer 部分的间距 */
    .footer.mt-5 {
        margin-top: 1rem !important;
    }

    /* 调整移动端文字大小 */
    .header-carousel .display-2 {
        font-size: 2rem !important;
        margin-bottom: 0.5rem;
        word-break: break-word !important;  /* 允许在任意字符间换行 */
    }

    /* 调整文字容器间距 */
    .owl-carousel-inner .container {
        padding: 0 15px;
        z-index: 1;
        position: relative;
    }

    .owl-carousel-inner .row {
        margin: 0 -15px;
    }

    /* 调整区块内部元素的间距 */
    .mb-4 {
        margin-bottom: 0.5rem !important;
    }

    .mb-3 {
        margin-bottom: 0.25rem !important;
    }

    /* 调整段落文字的间距 */
    p {
        margin-bottom: 0.5rem;
    }

    /* 品牌图片在手机上保持三列 */
    #brands .col-sm-12.col-md-4.portfolio-item {
        width: 33.333%;  /* 三列布局 */
        padding: 5px;    /* 减小间距 */
    }

    /* 调整品牌标题和描述 */
    #brands .portfolio-item .pt-3 {
        padding-top: 0.25rem !important;
    }

    #brands .portfolio-item p.text-primary {
        font-size: 0.7rem;
        margin-bottom: 0.1rem;
    }

    #brands .portfolio-item hr.my-2 {
        margin: 0.1rem auto !important;
        width: 20% !important;
    }

    #brands .portfolio-item h5.lh-base {
        font-size: 0.7rem;
        margin-bottom: 0;
    }

    /* 调整筛选按钮样式 */
    #brands #portfolio-flters {
        margin-bottom: 0.75rem !important;
    }

    #brands #portfolio-flters li {
        font-size: 0.8rem;
        padding: 2px 6px;
        margin: 0 2px !important;
    }

    /* 调整图片查看按钮大小 */
    #brands .portfolio-btn .btn-lg-square {
        width: 30px;
        height: 30px;
        min-width: 30px;
        min-height: 30px;
    }

    #brands .portfolio-btn .btn-lg-square i {
        font-size: 0.8rem;
    }

    /* 调整移动端轮播图锚点大小 */
    .header-carousel .owl-dots {
        width: 30px;  /* 减小容器宽度 */
        right: 10px;  /* 靠右距离减小 */
    }

    .header-carousel .owl-dots .owl-dot {
        width: 25px;   /* 减小默认大小 */
        height: 25px;
        margin: 3px 0;
    }

    .header-carousel .owl-dots .owl-dot.active {
        width: 30px;   /* 减小激活状态大小 */
        height: 30px;
    }

    .header-carousel .owl-dots .owl-dot img {
        padding: 1px;  /* 减小内边距 */
    }

    /* 调整卡片大小 */
    #products .col-sm-12 {
        flex: 0 0 50%;          /* 每个卡片占 50% 宽度 */
        max-width: 50%;
        padding: 0 4px;         /* 减小卡片间距 */
    }

    /* 调整卡片内部元素大小 */
    #products .service-item {
        margin-bottom: 8px;
    }

    #products .service-icon {
        width: 60px;            /* 减小图标大小 */
        height: 60px;
        margin: -30px 0 15px 0;
    }

    #products .service-icon i {
        font-size: 1.5rem;      /* 调整图标大小 */
    }

    #products .service-item h4 {
        font-size: 1rem;        /* 调整标题大小 */
        margin-bottom: 0.5rem;
    }

    #products .service-item p {
        font-size: 0.8rem;      /* 调整文字大小 */
        margin-bottom: 0.3rem;
    }
}

.header-carousel .owl-dots {
    position: absolute;
    width: 60px;
    height: 100%;
    top: 0;
    right: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.header-carousel .owl-dots .owl-dot {
    position: relative;
    width: 45px;
    height: 45px;
    margin: 5px 0;
    background: #FFFFFF;
    box-shadow: 0 0 30px rgba(255, 255, 255, .9);
    border-radius: 45px;
    transition: .5s;
}

.header-carousel .owl-dots .owl-dot.active {
    width: 60px;
    height: 60px;
}

.header-carousel .owl-dots .owl-dot img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    padding: 2px;
    border-radius: 45px;
    transition: .5s;
}

.page-header {
    background: linear-gradient(rgba(0, 0, 0, .1), rgba(0, 0, 0, .1)), url(../img/carousel-1.jpg) center center no-repeat;
    background-size: cover;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--light);
}


/*** About ***/
@media (min-width: 992px) {
    .container.about {
        max-width: 100% !important;
    }

    .about-text  {
        padding-right: calc(((100% - 960px) / 2) + .75rem);
    }
}

@media (min-width: 1200px) {
    .about-text  {
        padding-right: calc(((100% - 1140px) / 2) + .75rem);
    }
}

@media (min-width: 1400px) {
    .about-text  {
        padding-right: calc(((100% - 1320px) / 2) + .75rem);
    }
}


/*** Service ***/
/* 产品卡片居中显示 */
#products .row {
    justify-content: center;
}

/* 产品图片容器 */
.service-item {
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 45px rgba(0, 0, 0, .08);
}

.service-item .img-container {
    position: relative;
    width: 100%;
    padding-top: 133.33%; /* 3:4 宽高比 (4/3 * 100%) */
    overflow: hidden;
    background-color: #f8f9fa;  /* 添加背景色 */
}

.service-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;  /* 确保图片完整显示，不裁剪 */
    object-position: center center; /* 确保图片居中显示 */
}

.service-item p {
    margin-bottom: 1rem;      /* 增加段落间距 */
    line-height: 1.6;         /* 增加行高 */
    font-size: 0.95rem;       /* 稍微调整字体大小 */
}

.service-item h4 {
    margin-bottom: 1.5rem;    /* 增加标题和内容的间距 */
    font-size: 1.25rem;       /* 调整标题大小 */
}

.service-item .position-relative {
    padding: 2rem 1.5rem !important;  /* 增加内容区域内边距 */
}

/* 产品卡片内容区域样式 */
.service-item .position-relative {
    padding: 2rem 1.5rem !important;  /* 增加内容区域内边距 */
}

/* 移动端适配 */
@media (max-width: 768px) {
    .service-item p {
        margin-bottom: 0.75rem;  /* 移动端稍微减小间距 */
        font-size: 0.9rem;       /* 移动端稍微减小字体 */
    }

    .service-item .position-relative {
        padding: 1.5rem 1rem !important;  /* 移动端减小内边距 */
    }
}

.service-icon {
    position: relative;
    margin: -50px 0 25px 0;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    background: #FFFFFF;
    border-radius: 100px;
    box-shadow: 0 0 45px rgba(0, 0, 0, .08);
    transition: .5s;
}

.service-item:hover .service-icon {
    color: #FFFFFF;
    background: var(--primary);
}

/* 品牌图片容器 */
.portfolio-img {
    position: relative;
    width: 100%;
    padding-top: 133.33%; /* 3:4 宽高比 */
    overflow: hidden;
}

.portfolio-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* About 部分的图片容器 */
.position-relative.h-100 {
    min-height: 400px;
}

/* 确保所有懒加载图片在加载前保持正确的宽高比 */
img[loading="lazy"] {
    min-height: 1px; /* 防止图片容器完全塌陷 */
}


/*** Feature ***/
@media (min-width: 992px) {
    .container.feature {
        max-width: 100% !important;
    }

    .feature-text  {
        padding-left: calc(((100% - 960px) / 2) + .75rem);
    }
}

@media (min-width: 1200px) {
    .feature-text  {
        padding-left: calc(((100% - 1140px) / 2) + .75rem);
    }
}

@media (min-width: 1400px) {
    .feature-text  {
        padding-left: calc(((100% - 1320px) / 2) + .75rem);
    }
}


/*** Project Portfolio ***/
#portfolio-flters li {
    display: inline-block;
    font-weight: 500;
    color: var(--dark);
    cursor: pointer;
    transition: .5s;
    border-bottom: 2px solid transparent;
}

#portfolio-flters li:hover,
#portfolio-flters li.active {
    color: var(--primary);
    border-color: var(--primary);
}

.portfolio-img {
    position: relative;
}

.portfolio-img::before,
.portfolio-img::after {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    top: 0;
    background: rgba(0, 0, 0, 0.7);
    transition: .5s;
    opacity: 0;
}

.portfolio-img::before {
    left: 0;
}

.portfolio-img::after {
    display: none;
}

.portfolio-item:hover .portfolio-img::before {
    opacity: 1;
}

.portfolio-btn {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    z-index: 1;
    transition: .5s;
}

.portfolio-item:hover .portfolio-btn {
    opacity: 1;
    transition-delay: .1s;
}

/* 调整悬浮按钮的大小和位置 */
.portfolio-btn .btn-lg-square {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border-color: #FFFFFF;
    background: transparent;
}

.portfolio-btn .btn-lg-square i {
    color: #FFFFFF;
    font-size: 1.25rem;
}

.portfolio-btn .btn-lg-square:hover {
    background: #FFFFFF;
}

.portfolio-btn .btn-lg-square:hover i {
    color: var(--dark);
}


/*** Quote ***/
@media (min-width: 992px) {
    .container.quote {
        max-width: 100% !important;
    }

    .quote-text  {
        padding-right: calc(((100% - 960px) / 2) + .75rem);
    }
}

@media (min-width: 1200px) {
    .quote-text  {
        padding-right: calc(((100% - 1140px) / 2) + .75rem);
    }
}

@media (min-width: 1400px) {
    .quote-text  {
        padding-right: calc(((100% - 1320px) / 2) + .75rem);
    }
}


/*** Team ***/
.team-item {
    box-shadow: 0 0 45px rgba(0, 0, 0, .08);
}

.team-item img {
    border-radius: 8px 60px 0 0;
}

.team-item .team-social {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    background: #FFFFFF;
    transition: .5s;
}


/*** Testimonial ***/
.testimonial-carousel::before {
    position: absolute;
    content: "";
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(to right, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: 1;
}

.testimonial-carousel::after {
    position: absolute;
    content: "";
    top: 0;
    right: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(to left, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: 1;
}

@media (min-width: 768px) {
    .testimonial-carousel::before,
    .testimonial-carousel::after {
        width: 200px;
    }
}

@media (min-width: 992px) {
    .testimonial-carousel::before,
    .testimonial-carousel::after {
        width: 300px;
    }
}

.testimonial-carousel .owl-nav {
    position: absolute;
    width: 350px;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-between;
    opacity: 0;
    transition: .5s;
    z-index: 1;
}

.testimonial-carousel:hover .owl-nav {
    width: 300px;
    opacity: 1;
}

.testimonial-carousel .owl-nav .owl-prev,
.testimonial-carousel .owl-nav .owl-next {
    position: relative;
    color: var(--primary);
    font-size: 45px;
    transition: .5s;
}

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

.testimonial-carousel .testimonial-img img {
    width: 100px;
    height: 100px;
}

.testimonial-carousel .testimonial-img .btn-square {
    position: absolute;
    bottom: -19px;
    left: 50%;
    transform: translateX(-50%);
}

.testimonial-carousel .owl-item .testimonial-text {
    margin-bottom: 30px;
    box-shadow: 0 0 45px rgba(0, 0, 0, .08);
    transform: scale(.8);
    transition: .5s;
}

.testimonial-carousel .owl-item.center .testimonial-text {
    transform: scale(1);
}


/*** Contact ***/
@media (min-width: 992px) {
    .container.contact {
        max-width: 100% !important;
    }

    .contact-text  {
        padding-left: calc(((100% - 960px) / 2) + .75rem);
    }
}

@media (min-width: 1200px) {
    .contact-text  {
        padding-left: calc(((100% - 1140px) / 2) + .75rem);
    }
}

@media (min-width: 1400px) {
    .contact-text  {
        padding-left: calc(((100% - 1320px) / 2) + .75rem);
    }
}


/*** Footer ***/
.footer .btn.btn-social {
    margin-right: 5px;
    color: #9B9B9B;
    border: 1px solid #9B9B9B;
    border-radius: 38px;
    transition: .3s;
}

.footer .btn.btn-social:hover {
    color: var(--primary);
    border-color: var(--light);
}

.footer .btn.btn-link {
    display: block;
    margin-bottom: 5px;
    padding: 0;
    text-align: left;
    color: #9B9B9B;
    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;
    margin-right: 10px;
}

.footer .btn.btn-link:hover {
    color: #FFFFFF;
    letter-spacing: 1px;
    box-shadow: none;
}

.footer .copyright {
    padding: 25px 0;
    border-top: 1px solid rgba(256, 256, 256, .1);
}

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

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

html {
    scroll-behavior: smooth;
}

/* 移动设备适配 */
@media (max-width: 576px) {
    /* 调整图标容器大小 */
    .btn-lg-square {
        min-width: 36px;
        min-height: 36px;
        width: 36px;
        height: 36px;
        flex: 0 0 36px;
        flex-shrink: 0;
    }

    /* 调整文字大小 */
    .ms-4 p.mb-0 {
        font-size: 12px;
    }

    .ms-4 h5.mb-0 {
        font-size: 14px;
    }

    /* 确保图标和文字容器的间距 */
    .d-flex.align-items-center .ms-4 {
        margin-left: 0.75rem !important;
    }

    /* 调整图标大小 */
    .btn-lg-square i {
        font-size: 1.2rem;
    }
}

/* 中等屏幕设备适配 */
@media (max-width: 768px) {
    .btn-lg-square {
        width: 42px;
        height: 42px;
        min-width: 42px;
        min-height: 42px;
        flex: 0 0 42px;
    }

    .btn-lg-square i {
        font-size: 1.3rem;
    }
}

/* 添加字体回退方案 */
body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen-Sans, Ubuntu, Cantarell, sans-serif;
}

/*** Feature Start ***/
/* 自定义栅格布局 */
@media (max-width: 768px) {
    #features .col-md-6.col-lg-3 {
        width: 50%;  /* 在手机上保持两列 */
    }

    /* 调整手机上的字体大小和间距 */
    #features .h2.mb-0 {
        font-size: 1.5rem;
    }

    #features h5.mb-3 {
        font-size: 1rem;
    }

    #features span {
        font-size: 0.8rem;
        line-height: 1.4;
    }

    /* 修复圆形图标变形问题 */
    #features .btn-lg-square {
        width: 42px;
        height: 42px;
        min-width: 42px;
        min-height: 42px;
        flex: 0 0 42px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 10px;
    }

    #features .btn-lg-square.rounded-circle {
        border-radius: 50% !important;
    }

    #features .btn-lg-square i {
        font-size: 1rem;
    }

    /* 调整图标和文字的布局 */
    #features .d-flex.align-items-center {
        display: flex !important;
        align-items: center !important;
    }

    /* 确保数字容器不会挤压图标 */
    #features .d-flex.align-items-center > div:last-child {
        flex: 1;
        min-width: 0;
    }

    /* 调整间距 */
    #features .g-5 {
        --bs-gutter-y: 1rem;
        --bs-gutter-x: 1rem;
    }
}

/* WOW.js 动画相关样式 */
.wow {
    visibility: hidden;
}

.animated {
    animation-duration: 1s;
    animation-fill-mode: both;
}

/* 自定义动画延迟 */
.fadeIn {
    animation-name: fadeIn;
}

.fadeInUp {
    animation-name: fadeInUp;
}

/* 移动端优化动画时间 */
@media (max-width: 768px) {
    .animated {
        animation-duration: 0.6s;
    }
}

/* 轮播图标题样式 */
.header-carousel .display-2 {
    white-space: pre-wrap !important;
    line-height: 1.2 !important;
}

/* 特点图标样式优化 */
.feature .btn-lg-square {
    width: 64px;
    height: 64px;
    min-width: 64px;  /* 确保不会被压缩 */
}

.feature .btn-lg-square i {
    font-size: 1.75rem;  /* 增大图标尺寸 */
}

/* 特点文字样式优化 */
.feature .ms-4 {
    margin-left: 1.5rem !important;  /* 增加图标和文字的间距 */
}

.feature h5 {
    margin-bottom: 0.25rem !important;  /* 增加标题和描述的间距 */
    font-size: 1.1rem;
}

.feature p {
    font-size: 0.9rem;
    line-height: 1.6;
    opacity: 0.9;  /* 稍微降低描述文字的对比度 */
}

/* 移动端适配 */
@media (max-width: 768px) {
    .feature .btn-lg-square {
        width: 56px;
        height: 56px;
        min-width: 56px;
    }

    .feature .btn-lg-square i {
        font-size: 1.5rem;
    }

    .feature h5 {
        font-size: 1rem;
    }

    .feature p {
        font-size: 0.85rem;
    }

    .feature .ms-4 {
        margin-left: 1rem !important;
    }
}