/* 侧边进度条 */
.progress-container-bar {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 70vh;
}

.progress-bar {
    width: 4px;
    height: 100%;
    background: rgba(52, 152, 219, 0.2);
    border-radius: 2px;
    position: relative;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--accent-color);
    border-radius: 2px;
    transition: height 10ms ease;
}

.progress-dots {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.progress-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
}

.progress-dot.active {
    background: var(--accent-color);
    transform: translateX(-50%) scale(1.3);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

.progress-dot::after {
    content: attr(data-title);
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-secondary);
    padding: 5px 10px;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    font-size: 14px;
}

.progress-dot:hover::after {
    opacity: 1;
}