.pcb-widget {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 15px;
    max-width: 400px;
    margin: 0 auto;
}

.pcb-header {
    text-align: center;
    font-size: 13px;
    color: #888;
    margin-bottom: 12px;
    font-weight: 500;
}

.pcb-comments {
    height: 300px; /* 从 500px 改为 300px */
    overflow-y: auto;
    padding: 10px;
    background: #f9fafb;
    border-radius: 8px;
    scrollbar-width: thin;
    scrollbar-color: #ccc transparent;
    position: relative; /* 确保滚动内容限制在容器内 */
}

.pcb-comments::-webkit-scrollbar {
    width: 6px;
}

.pcb-comments::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.pcb-comment {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    padding: 8px;
    background: #fff;
    border-radius: 8px;
    transition: transform 0.2s;
}

.pcb-comment:hover {
    transform: translateY(-2px);
}

.pcb-comment-avatar {
    flex: 0 0 48px;
}

.pcb-comment-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.pcb-comment-content {
    flex: 1;
    margin-left: 10px;
}

.pcb-comment-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    margin-bottom: 4px;
}

.pcb-user-name {
    font-weight: 600;
    color: #333;
}

.pcb-comment-date {
    color: #999;
    font-size: 12px;
}

.pcb-comment-text {
    font-size: 14px;
    color: #444;
    line-height: 1.5;
}

.pcb-no-comments {
    text-align: center;
    color: #999;
    font-size: 14px;
    padding: 20px;
}

.pcb-input {
    margin-top: 12px;
}

.pcb-input-wrapper {
    display: flex;
    align-items: center;
    background: #f1f3f5;
    border-radius: 8px;
    padding: 8px;
}

.pcb-input textarea {
    flex: 1;
    height: 40px;
    resize: none;
    border: none;
    background: transparent;
    padding: 8px;
    font-size: 14px;
    color: #333;
    outline: none;
}

.pcb-input textarea::placeholder {
    color: #aaa;
}

.pcb-submit-btn, .pcb-login-btn {
    display: block;
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    background: #0075ff;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: background 0.2s;
}

.pcb-submit-btn {
    width: auto;
    padding: 8px 16px;
    margin-left: 8px;
}

.pcb-login-btn {
    margin-top: 10px;
}

.pcb-submit-btn:hover, .pcb-login-btn:hover {
    background: #005ee6;
}

/* 滚动动画 */
@keyframes scroll {
    0% { transform: translateY(0); }
    50% { transform: translateY(calc(-100% + 300px)); } /* 配合高度改为 300px */
    100% { transform: translateY(0); }
}

.pcb-comments.animated {
    animation: scroll 25s linear infinite;
}