:root {
    --bronze: #8B7355;
    --wood: #3E2723;
    --gold: #FFD700;
    --duration: 2s;
}

body {
    background: linear-gradient(135deg, #1a1a1a 0%, #2c3e50 100%);
    color: #f0f0f0;
    font-family: 'Microsoft YaHei', sans-serif;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.header {
    margin-bottom: 2rem;
}

.subtitle {
    color: rgba(255,255,255,0.8);
    font-size: 0.9em;
}

.altar {
    position: relative;
    height: 400px;
    margin: 2rem 0;
    perspective: 1000px;
}

.horns {
    position: absolute;
    width: 300px;
    height: 300px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.horn {
    position: absolute;
    width: 80px;
    filter: drop-shadow(0 0 8px rgba(139, 115, 85, 0.5));
    transition: all 0.5s ease;
}

.left {
    left: 30px;
    transform-origin: bottom right;
}

.right {
    right: 30px;
    transform-origin: bottom left;
    transform: scaleX(-1);
}

.base {
    position: absolute;
    width: 120px;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    filter: drop-shadow(0 0 10px rgba(62, 39, 35, 0.6));
}

.start-btn {
    background: linear-gradient(135deg, var(--wood) 0%, var(--bronze) 100%);
    color: var(--gold);
    padding: 1rem 2rem;
    border: 2px solid var(--bronze);
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto;
}

.start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(139, 115, 85, 0.4);
}

/* 高级动画 */
@keyframes hornFall {
    0% {
        transform: rotate(0deg) translateY(0);
        opacity: 1;
    }
    40% {
        transform: rotate(720deg) translateY(-100px);
        opacity: 0.8;
    }
    100% {
        transform: rotate(1440deg) translateY(500px);
        opacity: 0;
    }
}

.horn-animate {
    animation: hornFall var(--duration) cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* 专业弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
}

.modal-content {
    position: relative;
    background: linear-gradient(145deg, #2c3e50 0%, #34495e 100%);
    margin: 5% auto;
    padding: 2rem;
    width: 90%;
    max-width: 600px;
    border-radius: 15px;
    border: 1px solid var(--bronze);
    box-shadow: 0 0 20px rgba(139, 115, 85, 0.3);
}

.result-box {
    background: rgba(0,0,0,0.3);
    padding: 1.5rem;
    border-radius: 10px;
}

.hexagram {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.classic {
    font-style: italic;
    color: rgba(255,255,255,0.8);
    margin-top: 1rem;
    border-left: 3px solid var(--bronze);
    padding-left: 1rem;
}