.seo-only {
    position: absolute !important;
    left: -10000px !important;
    top: -10000px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.detail-main {
    padding: 40px 60px;
    max-width: 1100px;
    margin: 0 auto;
}

.game-launch-section {
    margin-bottom: 48px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.game-launch-container {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

.game-title-area {
    background: linear-gradient(135deg, #1a1a26, #12121a);
    padding: 24px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.game-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-1);
    margin: 0;
}

.game-info-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 16px 24px;
    background: var(--bg-3);
    border-bottom: 1px solid var(--border);
}

.game-type {
    padding: 6px 16px;
    background: var(--blue);
    color: var(--bg-0);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
}

.fullscreen-btn {
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    color: white;
}

.fullscreen-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.game-rating {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(251, 191, 36, 0.15);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--yellow);
}

.game-iframe-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-0);
    position: relative;
}

.game-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-2);
}

.game-placeholder p {
    margin-top: 16px;
    font-size: 16px;
}

.game-detail-section {
    margin-bottom: 48px;
}

.detail-container {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
}

.detail-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.detail-block {
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.detail-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-1);
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}

.detail-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-2);
    margin: 0;
}

.pieces-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.piece-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    transition: all 0.25s;
}

.piece-card:hover {
    border-color: var(--text-3);
    transform: translateY(-2px);
}

.piece-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 8px;
}

.piece-movement {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-2);
}

.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tips-list li {
    padding: 12px 16px;
    background: var(--bg-2);
    border-left: 3px solid var(--green);
    margin-bottom: 8px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-2);
}

.extended-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.extended-info-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.25s;
}

.extended-info-card:hover {
    border-color: var(--text-3);
    transform: translateY(-2px);
}

.extended-info-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 8px;
}

.extended-info-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-2);
}

.recommended-section {
    margin-bottom: 48px;
}

.recommended-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.recommended-card {
    background: #1a1a26;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.25s;
}

.recommended-card:hover {
    border-color: var(--text-3);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.rc-thumb {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.rc-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: none;
}

.recommended-card:hover .rc-thumb img {
    transform: none;
}

.rc-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px;
    text-align: center;
    font-size: 14px;
    font-weight: 800;
    color: rgba(26, 26, 26, 0.85);
    background: linear-gradient(to top, rgba(245, 245, 245, 0.85), rgba(235, 235, 235, 0.75));
    transform: translateY(100%);
    transition: transform 0.3s ease;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.recommended-card:hover .rc-name {
    transform: translateY(0);
}

.more-games-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

@media (max-width: 1200px) {
    .recommended-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    .more-games-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

@media (max-width: 768px) {
    .detail-main {
        padding: 20px 16px;
    }
    .game-title {
        font-size: 28px;
    }
    .game-info-bar {
        flex-wrap: wrap;
    }
    .recommended-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    .more-games-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    .pieces-grid,
    .extended-info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .recommended-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .more-games-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 360px) {
    .recommended-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .more-games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}