/* 广告样式 - 非浮动 */
.ad-bottom {
    background: white;
    padding: 12px;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
    text-align: center;
    margin-top: 20px;
}

.ad-bottom #bottom_ad_container {
    min-height: 50px;
    max-height: 100px;
}

.ad-label {
    font-size: 10px;
    color: #999;
    margin-bottom: 4px;
}

/* 激励视频弹窗 */
.reward-ad-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.reward-ad-content {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-radius: 24px;
    padding: 40px 30px;
    max-width: 360px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: slideUp 0.4s ease;
    position: relative;
    overflow: hidden;
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.reward-ad-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
    background-size: 200% 100%;
    animation: shimmer 2s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.reward-ad-content h3 {
    margin: 0 0 20px 0;
    color: #333;
    font-size: 1.4em;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.reward-ad-content p {
    color: #666;
    margin: 15px 0;
    font-size: 0.95em;
}

.reward-ad-content ul {
    text-align: left;
    margin: 20px 0;
    padding: 20px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 12px;
    border-left: 3px solid #667eea;
}

.reward-ad-content li {
    margin: 10px 0;
    color: #333;
    font-size: 0.95em;
    line-height: 1.6;
}

.watch-ad-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 16px 30px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-bottom: 12px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
}

.watch-ad-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.skip-btn {
    background: transparent;
    color: #999;
    border: 2px solid #e0e0e0;
    padding: 12px 30px;
    border-radius: 14px;
    font-size: 14px;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
}

.skip-btn:hover {
    border-color: #ccc;
    color: #666;
}