#serverNavbar,
.navbar-server,
.navbar-server * {
    margin: 0;
    padding: 0;
    box-sizing: border-box !important;
}

.navbar-server {
    background-color: #0f172a !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2) !important;
    padding: 0 !important;
    height: 80px !important;
    align-items: center !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 9999 !important;
    overflow: visible !important;
    border: none !important;
}

.navbar-server .navbar-brand img {
    height: 60px !important;
    width: auto !important;
    object-fit: contain !important;
}

.navbar-server .nav-link {
    color: #f8fafc !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    padding: 0 20px !important;
    height: 80px !important;
    line-height: 80px !important;
    position: relative !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
}

@media (min-width: 992px) {
  .navbar-server .nav-item.dropdown:hover > .dropdown-menu {
    display: block !important;
  }
  .navbar-server .dropdown-submenu {
    position: relative !important;
  }
  .navbar-server .dropdown-submenu > .dropdown-menu {
    top: 0 !important;
    left: 100% !important;
    margin-top: 0 !important;
    position: absolute !important;
    display: none !important;
  }
  .navbar-server .dropdown-submenu:hover > .dropdown-menu {
    display: block !important;
  }
}

.navbar-server .dropdown-menu {
    background-color: #1e293b !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
    padding: 0 !important;
    margin: 0 !important;
    min-width: 200px !important;
    z-index: 99999 !important;
    position: absolute !important;
    display: none !important;
}

.navbar-server .dropdown-submenu .dropdown-menu {
    background-color: #1b263b !important;
    display: none !important;
}

.navbar-server .dropdown-item {
    color: #f8fafc !important;
    padding: 14px 20px !important;
    font-size: 14px !important;
    border-bottom: 1px solid rgba(100, 116, 139, 0.2) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    cursor: pointer !important;
    text-decoration: none !important;
    white-space: nowrap !important;
}

.navbar-server .dropdown-item:hover {
    background-color: #38bdf8 !important;
    color: #0f172a !important;
}

@media (max-width: 991.98px) {
    .navbar-server {
        height: auto !important;
        padding: 10px 0 !important;
    }
    .navbar-server .nav-link {
        height: auto !important;
        line-height: normal !important;
        padding: 10px 20px !important;
    }

    .navbar-server .dropdown-menu {
        display: none !important;
        position: static !important;
    }
    .navbar-server .dropdown-menu.show {
        display: block !important;
    }

    .navbar-server .dropdown-submenu > .dropdown-menu {
        display: none !important;
        position: relative !important;
        margin-left: 20px !important;
    }

    .navbar-server .dropdown-submenu.show > .dropdown-menu {
        display: block !important;
    }

    .navbar-server .dropdown-submenu.show .fa-angle-down {
        transform: rotate(180deg) !important;
    }

    .navbar-server .auth-buttons {
        margin: 12px 20px !important;
        flex-direction: column !important;
        gap: 8px !important;
    }
    .navbar-server .auth-buttons .btn {
        width: 100% !important;
        margin: 0 !important;
    }
}

.navbar-server .fa-angle-right,
.navbar-server .fa-angle-down {
    color: #ccc !important;
    font-size: 14px !important;
    transition: 0.2s !important;
}

@media (max-width: 991.98px) {
    .navbar-server .fa-angle-right { display: none !important; }
    .navbar-server .fa-angle-down { display: inline-block !important; }
}
@media (min-width: 992px) {
    .navbar-server .fa-angle-right { display: inline-block !important; }
    .navbar-server .fa-angle-down { display: none !important; }
}

.navbar-server .auth-buttons .btn {
    margin-right: 10px;
    padding: 8px 20px !important;
    border-radius: 0 !important;
    font-weight: 600 !important;
}
.navbar-server .btn-outline-primary {
    border-color: #fff !important;
    color: #fff !important;
    background: transparent !important;
}
.navbar-server .btn-outline-primary:hover {
    background: #0074e8 !important;
    border-color: #0074e8 !important;
}
.navbar-server .btn-primary {
    background-color: #38bdf8 !important;
    border-color: #38bdf8 !important;
    color: #0f172a !important;
}

.navbar-server .navbar-toggler {
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}







.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.feature-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
    height: 100%;
}

.feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.1);
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: #fff;
    font-size: 1.75rem;
}

.feature-card h5 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

.pricing-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s;
    height: 100%;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.15);
    transform: scale(1.05);
}

.pricing-card:hover {
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.1);
}

.pricing-card h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.pricing-card ul li {
    padding: 0.5rem 0;
    color: var(--text-light);
}

.pricing-card ul li i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.stats-section {
    background-color: var(--bg-light);
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 1rem;
}

.service-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s;
}

.service-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.1);
}

.service-card h5 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 0;
    font-size: 0.95rem;
}

.form-control {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

footer {
    background-color: #1f2937;
    color: #fff;
    padding: 60px 0 30px;
}

footer h5 {
    font-weight: 600;
    margin-bottom: 1.5rem;
}

footer ul {
    list-style: none;
    padding: 0;
}

footer ul li {
    margin-bottom: 0.75rem;
}

footer ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s;
}

footer ul li a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    margin-top: 3rem;
    text-align: center;
    color: #9ca3af;
}

@media (max-width: 768px) {
    .banner-section {
        min-height: 400px;
    }


    .section {
        padding: 60px 0;
    }

    .pricing-card.featured {
        transform: scale(1);
    }
}

/* 轮播样式 */
.server-carousel {
    background: linear-gradient(to right, #e6f2ff 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.carousel-item {
    height: 500px;
}

.carousel-content {
    position: relative;
    display: flex;
    align-items: center;
    padding: 4rem 5%;
    height: 100%;
}

.carousel-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.carousel-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-text {
    flex: 1;
    max-width: 500px;
    position: relative;
    z-index: 2;
    color: #000;
    padding: 2rem;
    border-radius: 8px;
}

.carousel-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0074e8;
    margin-bottom: 1rem;
}
.link{
    text-decoration: none;
}
.carousel-desc {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 2rem;
    line-height: 1.8;
}
.footer-banner {
    height: 180px;
    padding-top: 50px;
    background: url(../images/iufexb.png) no-repeat;
    background-size: cover;
    background-position: center;
}
.footer-banner-text {
    font-size: 25px;
    font-weight: 300;
    letter-spacing: 2px;
    color: white;
    text-align: center;
    margin-bottom: 20px;
}
.footer-banner-btn {
    display: block;
    border: 1px solid #fff;
    padding: 10px 70px;
    color: white;
    font-size: 14px;
    font-weight: 550;
    border-radius: 2px;
    width: fit-content;
    margin: auto;
    transition: all .3s;
}
.btn-custom {
    background-color: #0074e8;
    color: #fff;
    border: none;
    padding: 0.8rem 2rem;
    font-size: 1rem;
    border-radius: 4px;
    transition: background 0.3s;
}

.btn-custom:hover {
    background-color: #005cb3;
    color: #fff;
}

.service-cards {
    background: #fff;
    padding: 2rem 5%;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    cursor: pointer;
}

.carousel-service-card {
    flex: 1;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 4px;
    transition: all 0.3s;
}

.carousel-service-card.active {
    background: #e6f2ff;
}

.carousel-service-card h5 {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.carousel-service-card.active h5 {
    color: #0074e8;
}

.carousel-service-card p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.carousel-control-prev,
.carousel-control-next {
    width: 5%;
    opacity: 0.8;
}

.carousel-indicators [data-bs-target] {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ddd;
}

.carousel-indicators .active {
    background-color: #0074e8;
}

@media (max-width: 992px) {
    .carousel-content {
        flex-direction: column;
        text-align: center;
        padding: 2rem 5%;
    }

    .carousel-text {
        max-width: 100%;
        margin-top: 8rem;
    }

    .carousel-image {
        text-align: center;
    }

    .carousel-title {
        font-size: 2rem;
    }

    .service-cards {
        flex-direction: column;
    }
}