body {
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    margin: 0;
    color: #222;
}

.requirement-detail-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 36px 18px;
}

.breadcrumb {
    margin-bottom: 18px;
    font-size: 14px;
}

.breadcrumb a {
    color: #333;
    text-decoration: none;
}

.detail-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    border: 1px solid #e5e5e5;
    box-shadow: 0 4px 18px rgba(0,0,0,0.05);
}

h1 {
    margin: 0 0 16px 0;
    font-size: 32px;
    line-height: 1.25;
}

.meta {
    margin-bottom: 22px;
}

.tag {
    display: inline-block;
    background: #f0f0f0;
    padding: 6px 10px;
    border-radius: 12px;
    margin-right: 6px;
    margin-bottom: 7px;
    font-size: 13px;
}

.summary-box {
    background: #f9f9f9;
    border-left: 4px solid #111;
    padding: 18px;
    margin-bottom: 24px;
    line-height: 1.7;
    color: #333;
}

.details {
    line-height: 1.8;
    font-size: 16px;
    color: #333;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 26px 0;
}

.info-item {
    background: #fafafa;
    border: 1px solid #eee;
    padding: 14px;
    border-radius: 10px;
}

.info-item strong {
    display: block;
    margin-bottom: 5px;
    color: #111;
}

.contact-box {
    margin-top: 30px;
    padding: 24px;
    background: #111;
    color: #fff;
    border-radius: 14px;
}

.contact-box h2 {
    margin-top: 0;
}

.contact-box p {
    color: #ddd;
    line-height: 1.6;
}

.contact-box a {
    display: inline-block;
    background: #fff;
    color: #111;
    padding: 11px 16px;
    border-radius: 7px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 8px;
}

.privacy-note {
    margin-top: 22px;
    color: #777;
    font-size: 13px;
    line-height: 1.6;
}

.listing-gallery {
    margin: 28px 0;
}

.listing-gallery h2 {
    margin-bottom: 14px;
    font-size: 24px;
}

.gallery-main {
    margin-bottom: 14px;
}

.gallery-main img {
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    border-radius: 14px;
    border: 1px solid #e5e5e5;
    background: #f5f5f5;
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
}

.gallery-thumbs img {
    width: 100%;
    height: 88px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #ddd;
    cursor: pointer;
    background: #f5f5f5;
}

.video-box {
    margin: 26px 0;
}

.video-box a {
    display: inline-block;
    background: #111;
    color: #fff;
    text-decoration: none;
    padding: 11px 16px;
    border-radius: 8px;
    font-weight: bold;
}


@media (max-width: 768px) {
    .detail-card {
        padding: 24px 18px;
    }

    h1 {
        font-size: 26px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}