.premium-content-wrapper {
    font-family: 'Pretendard', 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
    background-color: #f8f9fa; /* 부드러운 라이트 그레이 배경 */
    color: #34495e; /* 가독성 높은 다크 블루-그레이 텍스트 */
    line-height: 1.8;
    word-break: keep-all;
    padding: 50px;
    border-radius: 12px;
    margin: 20px 0;
    box-shadow: 0 16px 50px rgba(149, 157, 165, .25); /* 부드럽고 은은한 그림자 */
    border: 1px solid #dee2e6; /* 얇고 깔끔한 실버 라인 */
}

.premium-title {
    font-family: 'Georgia', 'Times New Roman', serif;
    font-size: 3em;
    font-weight: 700;
    /* 세련된 슬레이트 블루 그라데이션 텍스트 */
    background: linear-gradient(135deg, #4A69BD, #2C3E50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 50px;
    text-shadow: 0 2px 20px rgba(44, 62, 80, .1); /* 은은한 텍스트 그림자 */
    letter-spacing: 1px;
}

.premium-content-wrapper h2 {
    font-family: 'Georgia', 'Times New Roman', serif;
    font-size: 2.4em;
    font-weight: 600;
    color: #2c3e50; /* 진한 슬레이트 블루 */
    text-align: center;
    padding-bottom: 25px;
    margin: 60px 0 40px 0;
    border-bottom: 1px solid #dee2e6; /* 밝은 회색 하단 라인 */
    position: relative;
}

.premium-content-wrapper h2::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    /* 포인트 컬러 그라데이션 라인 */
    background: linear-gradient(90deg, transparent, #4A69BD, transparent);
}

.premium-content-wrapper h3 {
    font-family: 'Georgia', 'Times New Roman', serif;
    font-size: 1.9em;
    font-weight: 600;
    color: #34568B; /* 중간 톤의 세련된 블루 */
    margin: 45px 0 25px 0;
    padding-bottom: 15px;
    border-bottom: 1px solid #e9ecef; /* 더 옅은 하단 라인 */
}

.premium-content-wrapper p {
    font-size: 1.1em;
    margin-bottom: 1.8em;
    text-align: justify;
    color: #495057; /* 부드러운 회색 텍스트 */
}

.premium-content-wrapper strong {
    color: #2c3e50; /* 진한 포인트 컬러 */
    font-weight: 600;
}

.premium-content-wrapper u {
    text-decoration: none;
    border-bottom: 1.5px solid rgba(74, 105, 189, .7); /* 블루 톤 밑줄 */
    padding-bottom: 2px;
    font-weight: 500;
}

.info-highlight {
    background: rgba(74, 105, 189, .05); /* 매우 옅은 블루 배경 */
    border-left: 4px solid #4A69BD; /* 블루 포인트 좌측 라인 */
    border-radius: 8px;
    padding: 30px;
    margin: 40px 0;
    box-shadow: none; /* 내부 그림자 제거로 깔끔함 강조 */
}

.info-highlight p {
    color: #34495e;
    margin: 0;
    font-size: 1.1em;
    font-style: italic;
}

.premium-content-wrapper ul,
.premium-content-wrapper ol {
    padding-left: 30px;
    margin: 30px 0;
}

.premium-content-wrapper li {
    margin-bottom: 15px;
    font-size: 1.1em;
    padding-left: 10px;
}

.premium-content-wrapper ul li::marker {
    color: #4A69BD; /* 리스트 마커에 포인트 컬러 적용 */
    font-size: 1.2em;
}

.premium-image-wrapper {
    margin: 40px 0 !important;
    text-align: center !important;
}

.image-container {
    position: relative !important;
    display: inline-block !important;
    box-shadow: 0 15px 40px rgba(149, 157, 165, .2) !important; /* 부드러운 그림자 */
    border-radius: 12px !important;
    overflow: hidden !important;
    background: transparent !important;
    border: 1px solid #dee2e6; /* 깔끔한 테두리 */
    padding: 5px;
}

.image-container img {
    width: 100% !important;
    max-width: 700px !important;
    height: auto !important;
    display: block !important;
    border-radius: 8px !important;
}

.ai-disclaimer {
    position: absolute !important;
    bottom: 13px !important;
    right: 18px !important;
    background: rgba(44, 62, 80, .8) !important; /* 어두운 블루 배경 */
    color: #fff !important;
    padding: 5px 10px !important;
    border-radius: 20px !important;
    font-size: 11px !important;
    backdrop-filter: blur(5px) !important;
}

.premium-purchase-section {
    text-align: center;
    margin: 60px 0 40px;
    padding: 50px;
    background: transparent;
    border-radius: 12px;
    border: 1px dashed #ced4da; /* 점선 테두리로 구분 */
    box-shadow: none;
    transition: all .3s ease;
}

.premium-purchase-section:hover {
    border-color: #4A69BD;
    background: rgba(74, 105, 189, .03);
}

.purchase-content {
    max-width: 600px;
    margin: 0 auto;
}

.premium-purchase-section h3 {
    font-family: 'Georgia', 'Times New Roman', serif;
    color: #4A69BD !important;
    font-size: 2em !important;
    font-weight: 600 !important;
    margin-bottom: 25px !important;
    text-shadow: none !important;
    border: none !important;
    padding: 0 !important;
}

.premium-purchase-section h3::after {
    display: none !important;
}

.premium-purchase-button {
    display: inline-block !important;
    padding: 18px 55px !important;
    font-size: 1.3em !important;
    font-weight: 700 !important;
    color: #4A69BD !important;
    background: rgba(74, 105, 189, .1) !important; /* 옅은 블루 배경 */
    border: 1px solid #4A69BD !important;
    border-radius: 50px !important;
    text-decoration: none !important;
    transition: all .4s ease !important;
    box-shadow: 0 8px 25px rgba(149, 157, 165, .15) !important;
    transform: translateY(0) !important;
    cursor: pointer !important;
    letter-spacing: 1px;
}

.premium-purchase-button:hover {
    transform: translateY(-3px) scale(1.03) !important;
    box-shadow: 0 12px 35px rgba(74, 105, 189, .3) !important; /* 호버 시 더 강한 그림자 */
    background: linear-gradient(135deg, #4A69BD, #2C3E50) !important; /* 진한 블루 그라데이션 배경 */
    color: #ffffff !important;
    text-decoration: none !important;
    border-color: #2C3E50 !important;
}

@media (max-width: 768px) {
    .premium-content-wrapper { padding: 25px; }
    .premium-title { font-size: 2.2em; }
    .premium-content-wrapper h2 { font-size: 1.9em; }
    .premium-content-wrapper h3 { font-size: 1.6em; }
    .premium-content-wrapper p, .premium-content-wrapper li { font-size: 1em; }
    .premium-purchase-section { margin: 40px 0 !important; padding: 30px !important; }
    .premium-purchase-section h3 { font-size: 1.6em !important; }
    .premium-purchase-button { padding: 16px 35px !important; font-size: 1.1em !important; }
    .image-container img { max-width: 100% !important; }
}