/* styles.css */
html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    display: flex;
    flex-direction: column;
}

header {
    background-color: #1F4690;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

header .container {
    max-width: 1200px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
}

header .logo {
    display: flex;
    flex-direction: column;
    margin-right: auto;
}

header h1 {
    font-size: 2em;
    margin: 0;
}

header .subtitle {
    font-size: 1em;
    opacity: 0.8;
    margin: 5px 0 0 0;
}

nav {
    display: flex;
    align-items: center;
}

.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

.nav-links li {
    margin: 0 10px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 1em;
    padding: 5px 10px;
    border-radius: 5px;
}

.nav-links a:hover {
    background-color: #FF8000;
}

main {
    flex: 1;
    padding: 40px 0;
    width: 100%;
}

.hero {
    background: url('img/home_background.png') no-repeat center center/cover;
    color: white;
    padding: 100px 20px;
    text-align: center;
    background-color: #007BFF;
    position: relative;
    margin-top: -50px;
}

.hero h2 {
    font-size: 3em;
}

.hero p {
    font-size: 1.5em;
    margin-bottom: 20px;
}

.search-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

#search-box {
    width: 1100px;
    padding: 10px;
    font-size: 1em;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-right: 10px;
}

.cta-button {
    display: inline-block;
    background-color: #FFA07A;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.2em;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #FF8000;
}

.introduction {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.introduction-text {
    width: 45%;
}

.introduction-text h3 {
    font-size: 2em;
}

.introduction-text p {
    font-size: 1.2em;
    line-height: 1.6;
}

.introduction-image {
    width: 45%;
    text-align: center;
}

.introduction-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.data_introduction {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.data_introduction-text {
    width: 45%;
}

.data_introduction-text h3 {
    font-size: 2em;
}

.data_introduction-text p {
    font-size: 1.2em;
    line-height: 1.6;
}

.data_introduction-image {
    width: 45%;
    text-align: center;
}

.data_introduction-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.search-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.search-form {
    width: 90%;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.search-form h2 {
    font-size: 2em;
    margin-bottom: 20px;
}

.search-results {
    width: 90%;
    text-align: center;
}

.sl-results {
    width: 90%;
    text-align: center;
    margin-top: 20px;
}

/* 增加样式以使按钮更大且更美观 */
.button {
    display: block;
    background-color: #FFA07A;
    /* 按钮背景颜色 */
    color: white;
    /* 文字颜色 */
    padding: 15px 30px;
    /* 增加内边距以使按钮更大 */
    font-size: 1.2em;
    /* 增大字体大小 */
    text-decoration: none;
    border: none;
    /* 去掉边框 */
    border-radius: 10px;
    /* 圆角边框 */
    cursor: pointer;
    /* 鼠标悬停时显示手型 */
    transition: background-color 0.3s ease;
    /* 平滑过渡效果 */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    /* 添加阴影效果 */
    margin: 20px auto 0;
    /* 增大间距并居中显示 */
    width: fit-content;
    width: 50%;
}

.button:hover {
    background-color: #FF8000;
    /* 鼠标悬停时的背景颜色 */
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    /* 鼠标悬停时的阴影效果 */
}

#result-table {
    width: 100%;
    margin-top: 20px;
}

#result-table table {
    width: 100%;
    border-collapse: collapse;
}

#result-table th,
#result-table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

#result-table th {
    background-color: #f2f2f2;
}

.pagination {
    margin-top: 20px;
    text-align: center;
}

.pagination-button {
    display: inline-block;
    margin: 0 10px;
    padding: 5px 10px;
    background-color: #1F4690;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.pagination-button:hover {
    background-color: #FF8000;
}

.pagination-button:disabled {
    background-color: #ccc;
    color: #666;
    cursor: not-allowed;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 1.1em;
}

.form-group input {
    width: 100%;
    padding: 10px;
    font-size: 1em;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.search-info {
    width: 45%;
    text-align: center;
}

.search-info img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.search-info p {
    font-size: 1.1em;
    color: #666;
}

footer {
    background-color: #343a40;
    color: white;
    padding: 20px 0;
    text-align: center;
    width: 100%;
}

footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.error {
    color: red;
    font-weight: bold;
    padding: 10px;
    background-color: #f8d7da;
    border-radius: 5px;
}

#result-table table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    border: 1px solid #ddd;
}

#result-table th,
#result-table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
    border-right: 1px solid #ddd;
}

#result-table th {
    background-color: #f2f2f2;
}

#result-table tr:hover {
    background-color: #f5f5f5;
}

.result-box {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 20px 20px 20px 40px;
    margin-top: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 70%;
}

.result-box p {
    margin: 5px 0;
    font-size: 1.2em;
    text-align: left;
    line-height: 1.5;
}

.result-box p:first-child {
    margin-top: 0;
}

.about-content {
    max-width: 1200px;
    margin: 0;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: left;
    margin-left: auto;
    margin-right: auto;
}

.about-content h3 {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 10px;
}

.about-content p {
    font-size: 1.2em;
    line-height: 1.6;
    color: #666;
}

.filter-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    font-size: 1em;
}

.filter-container label {
    margin-right: 25px;
    font-size: 1.1em;
}

.filter-container input[type="radio"] {
    margin-right: 5px;
    width: 15px;
    height: 15px;
}