/* 游戏说明头部样式 */
main > .game-header {
    width: 95vmin !important;
    max-width: 450px !important;
    margin: 20px auto !important;
    padding: 20px !important;
    box-sizing: border-box !important;
    background-color: #f8f9fa !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
    text-align: center !important;
}

.game-header > h1 {
    font-size: 24px !important;
    margin: 0 0 15px 0 !important;
    color: #2c3e50 !important;
    font-weight: 600 !important;
    line-height: 1.3 !important;
}

.game-header > p {
    font-size: 16px !important;
    line-height: 1.5 !important;
    color: #34495e !important;
    margin: 0 0 20px 0 !important;
}

.game-header > section {
    text-align: left !important;
    margin-top: 20px !important;
}

.game-header > section > h3 {
    font-size: 20px !important;
    margin: 0 0 15px 0 !important;
    color: #2c3e50 !important;
    font-weight: 500 !important;
}

.game-header > section > ul {
    list-style-type: none !important;
    padding: 0 !important;
    margin: 0 !important;
    counter-reset: step-counter !important;
}

.game-header > section > ul > li {
    padding: 10px 0 10px 45px !important;
    margin: 5px 0 !important;
    color: #34495e !important;
    font-size: 15px !important;
    line-height: 1.4 !important;
    border-bottom: 1px solid rgba(0,0,0,0.05) !important;
    position: relative !important;
}

.game-header > section > ul > li::before {
    content: counter(step-counter) !important;
    counter-increment: step-counter !important;
    position: absolute !important;
    left: 0 !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 30px !important;
    height: 30px !important;
    background-color: #4CAF50 !important;
    color: white !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: bold !important;
    font-size: 16px !important;
}

.game-header > section > ul > li:last-child {
    border-bottom: none !important;
}