.tool-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
}
.tool-title {
    font-size: 24px;
    font-weight: 600;
    color: #222;
    margin-bottom: 1.8rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.tool-title::before {
    content: "🎓";
}
.search-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 1.5rem;
    align-items: center;
}
.search-bar input,
.search-bar select {
    padding: 10px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
}
.search-bar input:focus,
.search-bar select:focus {
    border-color: #1677ff;
    box-shadow: 0 0 0 3px rgba(22,119,255,0.1);
}
.search-bar button {
    padding: 10px 20px;
    background: #1677ff;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}
.table-box {
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #eee;
}
table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}
th {
    background: #f9fafb;
    padding: 14px;
    text-align: left;
    font-weight: 600;
    color: #333;
}
td {
    padding: 12px 14px;
    border-top: 1px solid #f5f5f5;
}
.tag-yes {
    display: inline-block;
    padding: 3px 8px;
    background: #e6f7ff;
    color: #1677ff;
    border-radius: 4px;
    font-size: 13px;
}
.tag-no {
    display: inline-block;
    padding: 3px 8px;
    background: #f5f5f5;
    color: #666;
    border-radius: 4px;
    font-size: 13px;
}