body {
    font-family: 'Arial', sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
}

.container {
    background-color: #1e1e1e;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

h1 {
    color: #ff5555;
    text-align: center;
    border-bottom: 2px solid #333;
    padding-bottom: 10px;
    margin-bottom: 30px;
}

.level-display {
    text-align: right;
    font-size: 1.2em;
    margin-bottom: 25px;
    color: #4CAF50;
}

.scenario {
    background-color: #252525;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid #ff5555;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 25px 0;
}

.option-item {
    transition: transform 0.2s;
}

.option-item:hover {
    transform: translateX(5px);
}

button {
    background-color: #333;
    color: white;
    border: none;
    padding: 15px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
    width: 100%;
    font-size: 1em;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

button:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: rgba(255,255,255,0.1);
    transition: width 0.3s;
}

button:hover {
    background-color: #3a3a3a;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

button:hover:before {
    width: 6px;
}

.authentic {
    border-left: 4px solid #4CAF50;
    background-color: #2a3a2a;
}

.authentic:hover {
    background-color: #314831;
}

.warning {
    color: #ff9800;
    font-weight: bold;
}

.danger {
    color: #f44336;
    font-weight: bold;
}

.success {
    color: #4CAF50;
    font-weight: bold;
}

.game-over, .victory {
    text-align: center;
    padding: 40px;
    background-color: #252525;
    border-radius: 10px;
    margin: 20px 0;
}

.game-over h2 {
    color: #f44336;
    font-size: 2em;
    margin-bottom: 20px;
}

.victory h2 {
    color: #4CAF50;
    font-size: 2em;
    margin-bottom: 20px;
}

.restart-btn {
    background-color: #ff5555;
    margin-top: 30px;
    text-align: center;
    display: inline-block;
    padding: 12px 25px;
    width: auto;
    border-radius: 50px;
    font-weight: bold;
}

.restart-btn:hover {
    background-color: #ff3333;
    transform: scale(1.05);
}

.progress-container {
    width: 100%;
    background-color: #333;
    border-radius: 5px;
    margin: 25px 0;
    height: 25px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.2);
}

.progress-bar {
    height: 100%;
    border-radius: 5px;
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
    transition: width 0.5s;
    position: relative;
}

.progress-bar:after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom, 
        rgba(255,255,255,0.3) 0%, 
        rgba(255,255,255,0.05) 50%, 
        rgba(255,255,255,0) 51%, 
        rgba(255,255,255,0.1) 100%
    );
    border-radius: 5px;
}

.sincerity-meter {
    margin-top: 20px;
    font-size: 1em;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 新增动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.option-item {
    animation: fadeIn 0.4s ease-out forwards;
}

.option-item:nth-child(1) { animation-delay: 0.1s; }
.option-item:nth-child(2) { animation-delay: 0.2s; }
.option-item:nth-child(3) { animation-delay: 0.3s; }
.option-item:nth-child(4) { animation-delay: 0.4s; }