html { scroll-behavior: smooth; }
body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f4f6f9;
    color: #333;
    padding-top: 90px;
}
.container-1440 {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}
.header-bar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1030;
    background-color: #fff;
    border-bottom: 1px solid #dee2e6;
    padding: 1rem 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
.logo { height: 40px; }
.menu a {
    color: #555; text-decoration: none; font-size: 0.95rem; margin-left: 1.25rem;
}
.menu a:hover { color: #0d6efd; }
.search-box input { min-width: 200px; }
@media (max-width: 991.98px) {
    .header-bar .container-1440 {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.5rem !important;
    }
    .menu {
        justify-content: flex-start !important;
        margin-top: 0.5rem;
    }
    .menu a { margin-left: 0.75rem; font-size: 1rem; }
    .search-box input { min-width: 100px; }
}
.hero-intro {
    background-color: #cce5ff;
    padding: 1.2rem;
    font-size: 1.2rem;
    font-weight: bold;
    color: #004085;
    /*border-left: 6px solid #007bff;*/
    border-radius: 6px;
    margin-bottom: 2rem;
}
.hero-intro-title{
    font-size: 1.2rem;
    font-weight: bold;
    color: #004085;
    border-bottom: 6px solid #797d82;
    margin-bottom: 0.5rem;
}
.nav-link {
    display: flex; align-items: center; font-weight: 500;
    padding: 0.5rem 0.5rem 0.5rem 1.5rem;
    color: #333;
    border-radius: 5px; background-color: #e9ecef;
    text-decoration: none; margin-bottom: 0.5rem;
    transition: all 0.2s ease-in-out;
}
.nav-link:hover { background-color: #0d6efd; color: #fff; }
.nav-link .square {
    width: 10px; height: 10px;
    background-color: #0d6efd; margin-right: 8px; border-radius: 2px;
    position: absolute;
    left:1.5rem;
}
.section-title {
    background-color: #e2eaf4;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem; font-weight: bold;
    border-radius: 5px; color: #2c3e50; transition: all 0.3s;
    font-size: 1.35rem;
}

.section-title:hover { background-color: #0d6efd; color: #fff; cursor: pointer; }
.content-section {
    padding: 1.25rem 1rem;
    margin-bottom: 2rem;
    border-radius: 6px;
    background-color: #fff;
    border: 1px solid #d0dbe9;
}
.image-placeholder {
    width: 100%; background-color: #ced4da;
    display: flex; align-items: center; justify-content: center;
    color: #495057; margin-bottom: 0.75rem; border-radius: 4px;
}
.block-no-over { width: 100%; height: 100%; }
.cta-button {
    background-color: #0d6efd;
    border: none; color: #fff; font-weight: 600;
    padding: 0.65rem 1.5rem; font-size: 1rem;
    border-radius: 5px; text-decoration: none;
    margin-bottom: 2rem; display: inline-block;
}
.cta-button:hover { background-color: #0056b3; color: #fff; text-decoration: none; }
.sidebar {
    background-color: #fff;
    border-right: 1px solid #dcdcdc;
    /*padding: 2rem 1rem;*/
    padding: 0.5rem 1rem 2rem 1rem;
}
@media (min-width: 768px) {
    .sidebar {
        position: sticky; top: 90px; height: 90vh; overflow-y: auto;
    }
}
@media (max-width: 767.98px) {
    .sidebar {
        position: static;
        height: auto;
        border-right: none;
        border-bottom: 1px solid #dcdcdc;
        margin-bottom: 1rem;
        padding: 1rem 0.5rem;
    }
    .hero-intro { font-size: 1rem; padding: 1rem; }
}
section .row table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 16px;
    text-align: left;
    overflow-x: auto;
    display: block;
}
section .row th, td { padding: 12px; border: 1px solid #ddd; }
section .row th { background-color: #f2f2f2; }
section .row tr:hover { background-color: #f9f9f9; }
section .row caption { caption-side: top; font-weight: bold; margin-bottom: 10px; }
section { scroll-margin-top: 90px; }
.font-bolder { font-weight: bolder; }
/* Footer Styles */
.site-footer {
    background-color: #2f3541;
    color: #eee;
    padding: 2rem 1rem;
    font-size: 0.9rem;
    margin-top: 2rem;
}
.site-footer a { color: #ddd; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-logo { font-size: 1.25rem; font-weight: bold; margin-bottom: 1rem; }
@media (max-width: 767.98px) {
    .site-footer .row > [class^="col-"] { margin-bottom: 1.5rem; }
}
/* 优化表格在小屏的横向滚动 */
.content-section .row table { display: block; width: 100%; overflow-x: auto; }
.content-section .row td, .content-section .row th { white-space: nowrap; }

@media (max-width: 991.98px) {
    .header-bar {
        position: static !important;
    }
    body {
        padding-top: 0 !important;
    }
    @media (max-width: 767.98px) {
        .sidebar {
            position: static !important;
            top: auto !important;
            height: auto !important;
        }
    }
}
@media (max-width: 991.98px) {
    .search-box {
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    .search-box .form-control {
        min-width: 0 !important;
        width: 100% !important;
        flex: 1 1 0 !important;
    }
    .input-group {
        flex-wrap: nowrap !important;
        width: 100% !important;
    }
    .header-bar form {
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}