/* 公告按钮容器 */
.changelog-btn {
    position: fixed;
    bottom: 100px;
    right: 30px;
    z-index: 999;
}

/* 公告主按钮 */
.changelog-main-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    animation: heartbeat 2s infinite;
}

.changelog-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 0.8rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

/* 公告按钮悬停效果 */
.changelog-btn:hover .changelog-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 公告选项项 */
.changelog-option {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.3s ease;
    white-space: nowrap;
}

.changelog-option:hover {
    background: rgba(102, 126, 234, 0.2);
}

.changelog-option i {
    font-size: 1.5rem;
    margin-right: 0.8rem;
    color: var(--cyan);
}

.changelog-label {
    font-weight: 500;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* 公告按钮悬停效果 */
.changelog-main-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}