/* 全局样式 */
body{font-family:'Segoe UI','Microsoft YaHei',sans-serif;color:#333}
.hover-shadow{transition:all .3s ease}.hover-shadow:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,.1)!important}
.navbar {
    transition: all 0.3s ease;
    padding-top: 0.75rem !important;
    padding-bottom: 0.75rem !important;
}

.navbar-scrolled {
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1) !important;
}

.navbar-brand {
    transition: all 0.3s ease;
}

.navbar-brand img {
    transition: all 0.3s ease;
    height: 81px;
}

.navbar-scrolled .navbar-brand img {
    height: 40px !important;
}

/* 导航链接 - 桌面端 */
.navbar-nav .nav-link {
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
    position: relative;
    color: #333 !important;
}

.navbar-nav .nav-link:hover {
    color: #0d6efd !important;
}

/* 桌面端选中状态 - 底部横杠 */
@media (min-width: 992px) {
    .navbar-nav .nav-link.active {
        color: #0d6efd !important;
        font-weight: 600;
    }

    .navbar-nav .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 30px;
        height: 3px;
        background: linear-gradient(90deg, #0d6efd, #0dcaf0);
        border-radius: 2px;
    }
}

/* 移动端导航栏 - 完全重新设计 */
@media (max-width: 991px) {
    .navbar {
        padding: 0.5rem 1rem !important;
    }

    .navbar-brand img {
        height: 35px !important;
    }

    .navbar-brand span {
        font-size: 1.1rem !important;
    }

    /* 移动端菜单容器 */
    .navbar-collapse {
        background: white;
        border-radius: 16px;
        margin-top: 10px;
        padding: 10px 0;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

    /* 移动端导航项 */
    .navbar-nav {
        padding: 0 10px;
    }

    .navbar-nav .nav-item {
        width: 100%;
        margin: 0 !important;
    }

    .navbar-nav .nav-link {
        display: block;
        padding: 12px 16px !important;
        border-radius: 12px;
        margin: 2px 0;
        text-align: left;
    }

    /* 移动端选中状态 - 用背景色，不要横杠 */
    .navbar-nav .nav-link.active {
        background: linear-gradient(90deg, rgba(13,110,253,0.1) 0%, rgba(13,110,253,0.02) 100%);
        color: #0d6efd !important;
        border-left: 3px solid #0d6efd;
    }

    /* 移动端隐藏横杠 */
    .navbar-nav .nav-link.active::after {
        display: none !important;
    }

    /* 移动端按钮组 */
    .d-flex {
        margin-top: 10px;
        padding-top: 10px;
        border-top: 1px solid #eee;
        justify-content: center;
    }

    .btn-outline-primary, .btn-primary {
        padding: 8px 20px;
        font-size: 14px;
    }

    main {
        margin-top: 65px !important;
    }
}

/* 按钮样式 */
.btn-outline-primary {
    border-radius: 25px;
    padding: 0.5rem 1.2rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    border-radius: 25px;
    padding: 0.5rem 1.2rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover,
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13,110,253,0.3);
}
.btn-outline-primary{border-radius:25px;padding:.5rem 1.2rem;font-weight:500;transition:all .3s ease}
.btn-primary{border-radius:25px;padding:.5rem 1.2rem;font-weight:500;transition:all .3s ease}
.btn-outline-primary:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 15px rgba(13,110,253,.3)}
@media (max-width:991px){.navbar-nav{margin:1rem 0}.navbar-nav .nav-link{display:inline-block;width:auto;margin:.25rem 0}.navbar-nav .nav-link.active::after{bottom:-2px;left:0;transform:none;width:40px}.d-flex{margin-top:1rem;justify-content:center}main{margin-top:70px!important}}
@media (max-width:768px){.navbar-brand span{font-size:1.2rem!important}.navbar-brand img{height:35px!important}}
.content img{max-width:100%;height:auto}
.content h2,.content h3{margin-top:1.5rem;margin-bottom:1rem}
@media (max-width:768px){.carousel-item img{height:300px!important}.floating-contact{right:15px;bottom:70px}.floating-contact a{width:45px;height:45px;font-size:18px}}
.form-control:focus,.form-select:focus{border-color:#0d6efd;box-shadow:0 0 0 .2rem rgba(13,110,253,.25)}
.floating-contact{position:fixed;right:20px;bottom:80px;z-index:1000;display:flex;flex-direction:column}
.floating-contact a{width:50px;height:50px;display:flex;align-items:center;justify-content:center;font-size:20px;transition:all .3s;border-radius:50%!important}
.floating-contact a:hover{transform:scale(1.1)}
.stats-section{position:relative;overflow:hidden}
.stats-section::before{content:'';position:absolute;top:-50%;right:-10%;width:300px;height:300px;background:rgba(255,255,255,.05);border-radius:50%;pointer-events:none}
.stats-section::after{content:'';position:absolute;bottom:-30%;left:-5%;width:250px;height:250px;background:rgba(255,255,255,.05);border-radius:50%;pointer-events:none}
.stats-card{padding:25px 20px;background:rgba(255,255,255,.1);backdrop-filter:blur(10px);border-radius:20px;transition:all .3s ease;border:1px solid rgba(255,255,255,.2)}
.stats-card:hover{transform:translateY(-8px);background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3);box-shadow:0 15px 35px rgba(0,0,0,.2)}
.stats-icon{color:rgba(255,255,255,.9)}
.stats-icon i{filter:drop-shadow(0 2px 5px rgba(0,0,0,.2))}
.stats-number{font-size:48px;font-weight:800;color:#fff;line-height:1.2;margin-bottom:10px;text-shadow:0 2px 10px rgba(0,0,0,.2)}
.stats-label{font-size:18px;font-weight:600;color:rgba(255,255,255,.95);margin-bottom:5px;letter-spacing:1px}
.stats-desc{font-size:13px;color:rgba(255,255,255,.7)}
.stats-badge{display:inline-block;padding:8px 20px;background:rgba(255,255,255,.15);backdrop-filter:blur(5px);border-radius:50px;color:rgba(255,255,255,.9);font-size:13px;border:1px solid rgba(255,255,255,.2)}
@media (max-width:768px){.stats-card{padding:20px 15px}.stats-number{font-size:36px}.stats-label{font-size:16px}.stats-icon i{font-size:2rem}}
@media (max-width:576px){.stats-number{font-size:28px}.stats-label{font-size:14px}.stats-desc{font-size:11px}}
.carousel-indicators{bottom:20px;margin-bottom:0}
.carousel-indicators button{width:10px!important;height:10px!important;border-radius:50%!important;background-color:rgba(255,255,255,.5)!important;border:none!important;margin:0 6px!important;transition:all .3s ease}
.carousel-indicators button.active{width:24px!important;border-radius:10px!important;background-color:#0d6efd!important}
.carousel-indicators [data-bs-target]{text-indent:0;width:10px;height:10px}
@media (max-width:768px){.carousel-indicators button{width:8px!important;height:8px!important;margin:0 4px!important}.carousel-indicators button.active{width:20px!important}}
@media (max-width:768px){.carousel-inner,.carousel-item{height:auto!important;min-height:200px}.carousel-item img{height:auto!important;min-height:200px;max-height:300px;object-fit:cover}.carousel-indicators{bottom:10px!important;margin-bottom:0!important}.carousel-caption{background:rgba(0,0,0,.6)!important;padding:10px!important;border-radius:10px!important;left:15px!important;right:15px!important;bottom:15px!important}.carousel-caption h5{font-size:14px!important;margin-bottom:5px!important}.carousel-caption .btn{padding:4px 12px!important;font-size:12px!important}}
@media (min-width:769px){.carousel-item{height:500px}.carousel-item img{height:500px;object-fit:cover}}