.hscode-directory {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.category-item {
    margin-bottom: 30px;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px;
}

.category-item h3 {
    margin-top: 0;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

.chapter-list a {
    display: block;
    padding: 10px;
    text-decoration: none;
    color: #3498db;
    background-color: #f8f9fa;
    margin: 5px 0;
    border-radius: 3px;
    transition: background-color 0.3s;
}

.chapter-list a:hover {
    background-color: #e8f4fc;
}

.hscode-search {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.hscode-search form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.hscode-search input[type="text"] {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.hscode-search button {
    padding: 10px 20px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.hscode-search button:hover {
    background-color: #2980b9;
}

.hscode-list {
    list-style: none;
    padding: 0;
}

.hscode-list li {
    padding: 15px;
    border: 1px solid #eee;
    margin-bottom: 10px;
    border-radius: 5px;
    background-color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.hscode-list li a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: bold;
}

.hscode-list li .chapter {
    color: #7f8c8d;
    font-style: italic;
}

.hscode-detail {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.hscode-detail .basic-info h3 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.hscode-detail .basic-info p,
.hscode-detail .tariff-info ul li,
.hscode-detail .unit-info p {
    margin: 10px 0;
    line-height: 1.6;
}

.hscode-detail .tariff-info ul {
    list-style: none;
    padding: 0;
}

.hscode-detail .tariff-info ul li {
    padding: 5px 0;
}

.cases-section {
    margin-top: 30px;
}

.cases-list {
    list-style: none;
    padding: 0;
}

.cases-list li {
    padding: 15px;
    border: 1px solid #eee;
    margin-bottom: 10px;
    border-radius: 5px;
    background-color: #f9f9f9;
}

.cases-list li strong {
    display: block;
    margin-bottom: 5px;
    color: #2c3e50;
}

.more-cases-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.more-cases-btn:hover {
    background-color: #2980b9;
}

.hscode-cases {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
    gap: 15px;
}

.pagination a {
    padding: 8px 16px;
    text-decoration: none;
    background-color: #3498db;
    color: white;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.pagination a:hover {
    background-color: #2980b9;
}

.page-info {
    color: #7f8c8d;
    font-weight: bold;
}

.back-to-detail {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #95a5a6;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.back-to-detail:hover {
    background-color: #7f8c8d;
}