/* 折叠按钮样式优化 */
.collapse-toggle {
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    margin-left: 15px;
    font-size: 14px;
    font-weight: 500;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.collapse-toggle:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.15));
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.collapse-toggle:active {
    transform: translateY(0);
}

.collapse-toggle::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.collapse-toggle:hover::before {
    left: 100%;
}

/* 箭头样式 */
.collapse-toggle .arrow {
    font-size: 10px;
    transition: transform 0.3s ease;
    display: inline-block;
}

.collapse-toggle.collapsed .arrow {
    transform: rotate(-90deg);
}

/* 折叠内容区域样式优化 */
.collapsible-section {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.collapsible-section.collapsed .icon-info-box {
    display: none !important;
}

/* 平滑过渡效果 */
.icon-info-box {
    transition: all 0.4s ease-in-out;
}

/* 添加折叠动画 */
@keyframes slideUp {
    from {
        opacity: 1;
        max-height: 1000px;
    }
    to {
        opacity: 0;
        max-height: 0;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 1000px;
    }
}

.collapsible-section:not(.collapsed) .icon-info-box {
    animation: slideDown 0.4s ease-out;
}

.collapsible-section.collapsed .icon-info-box {
    animation: slideUp 0.3s ease-in;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .collapse-toggle {
        padding: 4px 10px;
        font-size: 13px;
        margin-left: 10px;
    }
}

/* 通用标题样式适配 */
.item-list-title {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}