* { box-sizing: border-box; }

.main-title {
    font-family: 'Times New Roman', sans-serif !important;
    font-size: 40px !important;
    font-weight: bold !important;
    margin-top: 30px;
    margin-bottom: 10px;
}

.sub-title {
    font-family: 'Times New Roman', serif !important;
    font-size: 26px !important;
    font-weight: normal !important;
    text-align: center;
    margin-bottom: 10px;
    line-height: 2;
}

.nav-container {
    display: flex;
    justify-content: center;
    background-color: #e6f2ff;
    padding: 10px 0;
    margin-bottom: 0px;
    width: 100%;
    border-radius: 8px;
}

.nav-link {
    margin: 0 15px;
    padding: 8px 16px;
    text-decoration: none;
    color: #333;
    border-radius: 4px;
    transition: background-color 0.3s;
    font-family: 'Times New Roman', serif !important;
    font-size: 22px !important;
    font-weight: bold !important;
    letter-spacing: 0.03em;
    padding: 8px 16px;
    text-align: center;
    min-width: 90px;
}
.nav-link:hover {
    background-color: #cce5ff;
}
.nav-link.active {
    background-color: #99c2ff;
    font-weight: bold;
}

.content-center {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.page-container {
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
}

@font-face {
    font-family: 'SimHei';
    src: local('SimHei'), local('黑体');
}

@font-face {
    font-family: 'SimSun';
    src: local('SimSun'), local('宋体');
}

* { box-sizing: border-box; }

/* Logo和标题的容器 */
.title-with-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: 30px;
    margin-bottom: 10px;
}

/* Logo样式 */
.header-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.main-title {
    font-family: 'Times New Roman', sans-serif !important;
    font-size: 40px !important;
    font-weight: bold !important;
    margin: 0;
}

.sub-title {
    font-family: 'Times New Roman', serif !important;
    font-size: 26px !important;
    font-weight: normal !important;
    text-align: center;
    margin-bottom: 10px;
    line-height: 2;
}

.nav-container {
    display: flex;
    justify-content: center;
    background-color: #e6f2ff;
    padding: 10px 0;
    margin-bottom: 0px;
    width: 100%;
    border-radius: 8px;
}

.nav-link {
    margin: 0 15px;
    padding: 8px 16px;
    text-decoration: none;
    color: #333;
    border-radius: 4px;
    transition: background-color 0.3s;
    font-family: 'Times New Roman', serif !important;
    font-size: 22px !important;
    font-weight: bold !important;
    letter-spacing: 0.03em;
    padding: 8px 16px;
    text-align: center;
    min-width: 90px;
}
.nav-link:hover {
    background-color: #cce5ff;
}
.nav-link.active {
    background-color: #99c2ff;
    font-weight: bold;
}

.content-center {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.page-container {
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
}

@font-face {
    font-family: 'SimHei';
    src: local('SimHei'), local('黑体');
}

@font-face {
    font-family: 'SimSun';
    src: local('SimSun'), local('宋体');
}