/* --- 테마: Emerald Slate --- */
.premium-content-wrapper {
    font-family: 'Merriweather', 'Noto Serif KR', serif;
    background-color: #3d4a53;
    background-image: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%234a5861" fill-opacity="0.2"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    color: #e8e8e8;
    line-height: 1.9;
    word-break: keep-all;
    padding: 40px;
    border-radius: 16px;
    margin: 20px 0;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3), inset 0 2px 4px rgba(0,0,0,0.4);
    border-top: 1px solid #6b7a85;
}

.premium-title {
    font-size: 2.7em;
    font-weight: 700;
    background: linear-gradient(135deg, #a8e0c8 0%, #f0fff8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 0 2px 15px rgba(0,0,0,0.4);
}

.premium-content-wrapper h2 {
    font-size: 2.3em;
    font-weight: 700;
    color: #fff;
    text-align: center;
    padding-bottom: 20px;
    margin: 40px 0 30px 0;
    border-bottom: 1px solid #6b7a85;
}

.premium-content-wrapper h3 {
    font-size: 1.7em;
    font-weight: 600;
    color: #a8e0c8;
    margin: 35px 0 20px 0;
    padding-bottom: 10px;
}

.premium-content-wrapper strong {
    color: #50c878; /* Emerald Color */
    font-weight: 600;
}

.info-highlight {
    background: rgba(80, 200, 120, 0.1);
    border-left: 4px solid #50c878;
    border-radius: 8px;
    padding: 25px;
    margin: 30px 0;
}

/* --- 버튼 섹션: Emerald Slate --- */
.premium-purchase-section {
    text-align: center;
    margin: 50px auto;
    padding: 40px;
    background: #344048;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4), inset 0 1px 2px rgba(0,0,0,0.3);
    border-top: 1px solid #5a6872;
}

.purchase-content h3 {
    color: #fff !important;
    font-size: 1.9em !important;
    font-weight: 700 !important;
    margin-bottom: 15px !important;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5) !important;
    border: none !important;
    padding: 0 !important;
}

.purchase-content p {
    color: #c0c0c0;
    text-align: center;
    margin-bottom: 30px;
}

.premium-purchase-button {
    display: inline-block !important;
    padding: 16px 45px !important;
    font-size: 1.3em !important;
    font-weight: 600 !important;
    color: #fff !important;
    background: linear-gradient(145deg, #50c878, #3e9a5f) !important;
    border: none !important;
    border-radius: 8px !important;
    text-decoration: none !important;
    transition: all 0.3s ease-out !important;
    box-shadow: 0 6px 15px rgba(80, 200, 120, 0.25), inset 0 -2px 4px rgba(0,0,0,0.2) !important;
    cursor: pointer !important;
}

.premium-purchase-button:hover {
    transform: translateY(-3px) scale(1.02) !important;
    background: linear-gradient(145deg, #60da88, #4eb46f) !important;
    box-shadow: 0 10px 25px rgba(80, 200, 120, 0.4), inset 0 -2px 4px rgba(0,0,0,0.2) !important;
    text-decoration: none !important;
}