.member-tag2 a {
    font-weight: 600;
    text-decoration: underline;
}

.member-tag2 a:hover {
    color: orangered;
}

.video-container {
    margin-top: 20px;
}

/* 중간 제목 */
.second-title {
    margin-top: 10px;
    font-weight: 600;
}

.code-box {
    background: #f8f9fa;
    padding: 15px;
    border-left: 4px solid #217346;
    font-family: "Consolas", monospace;
    font-size: 0.95em;
    color: #333;
    margin: 15px 0;
    overflow-x: auto;
    border-radius: 4px;
}

.formula-desc {
    font-size: 0.95em;
    color: #666;
    margin-top: 5px;
}

/* 멤버십 안내 박스 스타일 */
.membership-lock {
    background-color: #fdfdfe;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    margin: 40px 0 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.lock-icon {
    font-size: 40px;
    color: #ff0000;
    margin-bottom: 15px;
}

.lock-title {
    font-size: 1.2em;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.lock-desc {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

/* 버튼 기본 스타일 */
.btn-membership {
    display: inline-block;
    background-color: #007bff;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: background-color 0.3s;
    box-shadow: 0 4px 6px rgba(0, 123, 255, 0.3);
}

/* 링크의 모든 상태(방문 전/후, 호버 등)에서 흰색 글자 강제 적용 */
.btn-membership,
.btn-membership:link,
.btn-membership:visited,
.btn-membership:hover,
.btn-membership:active {
    color: #fff !important;
}

.btn-membership:hover {
    background-color: #0056b3;
    text-decoration: none !important;
}

.full-ver-link {
    display: block;
    margin-top: 15px;
    font-size: 0.9em;
    color: #666;
    text-decoration: underline;
}

.full-ver-link:hover {
    color: #333;
}