.navbar { margin-bottom: 20px; }
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    margin-bottom: 40px;
    margin-top: 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.hero-title { font-size: 48px; font-weight: 800; color: white; margin: 0; text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2); animation: fadeInUp 1s ease-out; }

.guide-layout {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 40px;
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 1200px;
    margin: 0 auto 40px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.animation-container {
    flex: 1;
    max-width: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.animation-container img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    object-fit: contain;
}

.guide-text-content {
    flex: 1;
    text-align: left;
}

.guide-text-content p {
    font-size: 18px;
    color: #333;
    line-height: 1.8;
    margin-bottom: 20px;
    font-weight: 500;
}

.guide-text-content p:last-child {
    margin-bottom: 0;
}

.guide-section { margin-bottom: 30px; }
.guide-text { font-size: 18px; color: #333; line-height: 1.8; margin-bottom: 10px; font-weight: 500; }
.guide-note { font-size: 16px; color: #666; background: rgba(255, 107, 53, 0.1); padding: 20px; border-radius: 12px; margin-top: 10px; border-left: 4px solid #ff6b35; line-height: 1.6; }

/* 添加顶部控制按钮样式 */
.top-controls {
    display: flex;
    gap: 15px;
    z-index: 1000;
}

.control-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 0.3);
}

#muteBtn {
    padding: 10px;
    width: 44px;
    height: 44px;
    font-size: 20px;
}

.animation-placeholder { width: 100%; height: 250px; background: #f5f5f5; display: flex; align-items: center; justify-content: center; border-radius: 15px; margin: 30px 0; border: 2px dashed #ccc; color: #888; font-size: 20px; font-weight: bold; transition: all 0.3s ease; }
.animation-placeholder:hover { border-color: #ff6b35; color: #ff6b35; background: rgba(255, 107, 53, 0.05); }

.play-message {
    display: inline-block;
    background: white;
    color: #ff6b35;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    margin-bottom: 20px;
    animation: pulse 2s infinite;
    transition: all 0.3s ease;
    border: none;
}

.play-message:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    background: #fff;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.cta-button { display: inline-block; padding: 18px 60px; background: white; color: #ff6b35; text-decoration: none; border-radius: 50px; font-size: 20px; font-weight: 700; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); transition: all 0.3s ease; animation: fadeInUp 1s ease-out 0.4s both; margin-top: 20px; }
.cta-button:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3); background: #fff; }

.action-container {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 40px;
}

.bottom-start-btn {
    margin: 0;
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
    }
    .top-controls {
        justify-content: flex-end;
        gap: 10px;
    }
    .control-btn {
        padding: 8px 15px;
        font-size: 14px;
    }
    #muteBtn {
        width: 36px;
        height: 36px;
        font-size: 16px;
        padding: 8px;
    }
    .hero-title { font-size: 28px; }
    .guide-layout { 
        flex-direction: column;
        padding: 25px; 
    }
    .animation-container {
        max-width: 100%;
    }
    .guide-text-content p { font-size: 16px; }
}