/* Base Styles */
body {
    font-family: 'Latin Modern', Georgia, Cambria, 'Times New Roman', Times, serif;
    color: #333;
    line-height: 1.6;
    background-color: #f9f9f9;
    font-size: 16px;
}
section[id] {
    padding: 60px 0;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.03);
    margin-bottom: 0;
    border-radius: 8px;
    overflow: hidden;
}
section[id] .container {
    max-width: 960px;
    margin: 0 auto;
}
.block {
    padding: 30px;
}
section h2 {
    font-family: font-family:'Open Sans', serif;
    font-size: 1.4rem;
    color: #003152;
    font-weight: bold;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(255, 250, 255, 0.2);
    margin-bottom: 0.8rem;
}
section h3 {
    font-family: font-family: 'Helvetica Neue', serif;
    font-size: 1.2rem;
    color: #003152;
    margin-top: 1.2rem;
    margin-bottom: 0.8rem;
}

.block p,
.block li {
    font-family: font-family: 'Latin Modern', Georgia, 'Times New Roman', serif;
    text-align: justify;
    text-justify: inter-word;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: #333;
}
.block ul,
.block ol {
    margin-bottom: 1.5rem;
}
.topics-list li {
    padding: 8px 15px;
    border-radius: 6px;
    margin: 2px 0; /* 缩小上下外边距 */
    line-height: 1.2; /* 调整行高，使文字更紧凑 */
}

.topics-list li:hover {
    background-color: #f1f7ff;
}
/* Button统一 */
.btn-primary {
    background-color: #0071CE !important;
    border-color: #0071CE !important;
}

.block a.btn {
    display: inline-block;
    margin: 10px 0;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.block a.btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}
#footer {
    background-color: #003152;
    color: white;
    padding: 30px 0;
    font-size: 0.95rem;
}

#footer a {
    color: #a9d0f5;
    margin: 0 10px;
}

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

@media (max-width: 768px) {
    .global-page-header {
        padding: 30px 0;
    }
    .global-page-header h2 {
        font-size: 1.8em;
    }

    section h2 {
        font-size: 1.4em;
    }
    .block p{
        text-align: left;
    }
}
.global-page-header {
    background: url('../images/header.jpg') center center/cover no-repeat;
    padding: 120px 0;
    color: #fff;
    position: relative; 
    overflow: hidden;
}
.global-page-header .container {
    padding-top: 100px; /* 避开导航栏高度 */
}
.global-page-header h2 {
    position: relative;
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    padding: 10px 20px;
    z-index: 2;
}
.global-page-header p {
    font-size: 1.2em;
    position: relative;
    color:  #d9e6ff;
    padding: 10px 20px;
    z-index: 2;
}
.global-page-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(1px);
    z-index: 1;
}

/* Navbar Style */
.navbar {
    background-color: #003152 !important;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 500;
}

.navbar .nav-link {
    font-size: 0.8rem;
    color: white !important;
    padding: 10px 16px;
    transition: color 0.3s ease;
}

.navbar .nav-link:hover {
    color: #d9e6ff !important;
}

.navbar-brand {
    font-size: 0.8rem;
    font-weight: bold;
    color: #fff !important;
}