.qed-category-filter, .qed-alphabet { margin-bottom: 12px; }
.qed-category-filter .qed-cat, .qed-alphabet .qed-letter {
    margin: 4px 6px;
    cursor: pointer;
    font-weight: 600;
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    background: transparent;
}
.qed-category-filter strong {
  color: #008000; /* thay màu ở đây */
  font-weight: 700;
}
.qed-category-filter .qed-cat.active, .qed-alphabet .qed-letter.active {
    background: #008000;
    color: #fff;
}
.qed-terms-cloud { margin-top: 10px; }
.qed-term {
    display: inline-block;
    margin: 6px;
    padding: 6px 10px;
    background: #CD9671;
	 color: #fff;
    border-radius: 4px;
    cursor: pointer;
}
.qed-popup {
    position: fixed;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-width: 720px;
    z-index: 99999;
    display: none;
}
.qed-popup-inner {
    background: #fff;
    border: 1px solid #ddd;
    padding: 18px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.15);
    position: relative;
}
.qed-popup-close {
    position: absolute;
    top: 6px;
    right: 8px;
    border: none;
    background: transparent;
    font-size: 22px;
    cursor: pointer;
}
.qed-popup-content h3 { margin-top: 0; }
.qed-popup-content .qed-source { display:block; text-align: right; margin-top: 12px; font-size: 13px; color: #666; }