/* 全局 */
body {
    padding-top: 56px;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

/* -------- 导航栏 (Logo & 品牌文字已加大) -------- */
.navbar {
    background-color: #ffffff !important;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    padding-top: calc(0.6rem + 6px) !important;
    padding-bottom: calc(0.6rem + 6px) !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.5px;
    color: #0b1a33;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand img {
    height: 44px;
    width: auto;
    transition: transform 0.2s ease;
}
.navbar-brand img:hover {
    transform: scale(1.04);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.brand-text .brand-main {
    font-weight: 700;
    font-size: 1.4rem;
    color: #0b1a33;
    letter-spacing: 0.3px;
}
.brand-text .brand-sub {
    font-size: 0.75rem;
    font-weight: 400;
    color: #6c7a8a;
    letter-spacing: 0.4px;
}

.navbar .nav-link {
    font-weight: 500;
    padding: 0.5rem 1.2rem;
    margin: 0 6px;
    color: #1e293b;
    border-radius: 10px;
    transition: all 0.2s ease;
}
.navbar .nav-link.active {
    color: #006ACD !important;
    font-weight: 600;
    background-color: rgba(0, 106, 205, 0.06);
    border: none;
    padding: 0.6rem 1.5rem;
    text-decoration: underline;
    text-underline-offset: 6px;
    text-decoration-thickness: 2px;
    text-decoration-color: #006ACD;
}

.btn-login {
    background: #6c7a8a;
    border: 1px solid #5a6a7a;
    color: #ffffff;
    border-radius: 30px;
    padding: 0.4rem 1.6rem;
    font-weight: 500;
    transition: all 0.25s;
    text-decoration: none;
    font-size: 0.95rem;
}
.btn-login:hover {
    background: #4b5a6a;
    border-color: #3a4a5a;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    margin-right: 4px;
    vertical-align: middle;
    animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.85);
    }
}

/* -------- 底部信息栏 -------- */
.footer-info {
    background: #2F3740;
    padding: 3rem 0 2rem;
    border-bottom: none;
}
.footer-info .brand-tagline {
    font-size: 0.9rem;
    color: #b0b8c0;
    max-width: 280px;
    line-height: 1.6;
}
.alogo {
    color: #b0b8c0;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-info h5,
.footer-info h6 {
    color: #f0f4f8;
    font-weight: 600;
    margin-bottom: 1rem;
}
.footer-info ul {
    list-style: none;
    padding-left: 0;
}
.footer-info ul li {
    margin-bottom: 0.5rem;
}
.footer-info ul li a {
    color: #b0b8c0;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-info ul li a:hover {
    color: #80c8f0;
}
.footer-info .contact-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: #d0d8e0;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}
.footer-info .contact-item i {
    font-size: 1.2rem;
    color: #80c8f0;
    width: 1.4rem;
    text-align: center;
}
.footer-info .work-time {
    font-size: 0.9rem;
    color: #d0d8e0;
    margin-top: 0.5rem;
}
.qr-items {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}
.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}
.qr-item .qr-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: 0.2s;
}
.qr-item .qr-placeholder i {
    font-size: 3rem;
    color: #80c8f0;
}
.qr-item .qr-item-label {
    font-size: 0.8rem;
    color: #b0b8c0;
    letter-spacing: 0.3px;
}
.qr-item:hover .qr-placeholder {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(128, 200, 240, 0.3);
}

/* -------- 底部版权 -------- */
.footer-copyright {
    background: #2F3740;
    color: rgba(255, 255, 255, 0.5);
    padding: 1.4rem 0;
    border-top: none;
}
.footer-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    margin-bottom: 1.4rem;
}
.footer-copyright a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s;
}
.footer-copyright a:hover {
    color: #80c8f0;
}
.footer-copyright .sep {
    color: rgba(255, 255, 255, 0.15);
    margin: 0 6px;
}

/* 底部品牌图标+文字 */
.footer-brand-icon {
    height: 44px;
    width: auto;
    margin-right: 8px;
}

.service-feature .sf-icon i {
    font-size: 1.4rem;
}

.brand-slogan {
    font-size: 0.9rem;
    color: #b0b8c0;
    line-height: 1.7;
    margin-bottom: 6px;
}
.brand-badge {
    display: inline-block;
    background: rgba(128, 200, 240, 0.12);
    color: #80c8f0;
    font-size: 0.7rem;
    padding: 0.15rem 0.9rem;
    border-radius: 4px;
    letter-spacing: 0.4px;
    border: 1px solid rgba(128, 200, 240, 0.15);
    font-weight: 500;
}

@media (max-width: 575.98px) {
    .navbar-brand img {
        height: 36px;
    }
    .brand-text .brand-main {
        font-size: 1.15rem;
    }
    .brand-text .brand-sub {
        font-size: 0.6rem;
    }
    .navbar-brand {
        font-size: 1.1rem;
        gap: 6px;
    }
    .navbar {
        padding-top: 0.4rem !important;
        padding-bottom: 0.4rem !important;
    }
}

@media (min-width: 576px) and (max-width: 991.98px) {
    .navbar-brand img {
        height: 40px;
    }
    .brand-text .brand-main {
        font-size: 1.3rem;
    }
    .brand-text .brand-sub {
        font-size: 0.7rem;
    }
}