#groupIndexRoot {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    --hp-primary: #1677ff;
    --hp-primary-light: #409eff;
    --hp-primary-soft: #e8f3ff;
}

.group-index-title {
    margin: 0 0 1.35rem;
    font-size: 1.25rem;
    line-height: 1.35;
    color: #1f1f1f;
    font-weight: 700;
}

.group-index-empty {
    margin: 1.5rem 0;
    color: #8c8c8c;
    font-size: 14px;
}

.group-index-layout {
    display: flex;
    align-items: stretch;
    gap: 1.25rem;
    min-height: calc(100vh - 12rem);
}

.group-index-sidebar {
    flex: 0 0 8.5rem;
    width: 8.5rem;
    position: sticky;
    top: 50%;
    transform: translateY(-50%);
    align-self: flex-start;
    overflow: visible;
    z-index: 10;
}

.group-index-navi {
    margin-bottom: 0 !important;
    width: 100%;
    overflow: visible;
    border-radius: 0;
    background: transparent;
    border: none;
    padding: 0;
}

.group-index-navi ul {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.35rem;
    margin: 0;
    padding: 0.5rem;
    list-style: none;
    background: transparent;
    border-radius: 0;
    overflow: visible;
}

.group-index-navi li {
    display: block !important;
    float: none !important;
    margin: 0 !important;
    min-width: 0;
}

.group-index-navi li a {
    display: block;
    padding: 0.22rem 0.35rem;
    font-size: 0.8125rem;
    line-height: 1.35;
    color: #555;
    background: #fff;
    border: 1px solid #ddd !important;
    border-radius: 4px;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
    transition: color 0.15s, border-color 0.15s, background-color 0.15s;
}

.group-index-navi li a:hover,
.group-index-navi li a.is-active,
.group-index-navi li.active a {
    color: #1677ff;
    border-color: #91caff !important;
    background: #f0f7ff;
}

.group-index-main {
    flex: 1;
    min-width: 0;
    align-self: flex-start;
}

.group-index-tips {
    margin: 0 0 1.15rem;
    padding: 0;
    color: #6b7280;
    font-size: 0.8125rem;
    line-height: 1.45;
}

.group-index-section {
    margin: 0 0 1.75rem;
    padding: 0;
    background: transparent;
    scroll-margin-top: 5.5rem;
}

.group-index-section-title,
#groupIndexRoot .tool-cate {
    margin: 0 0 0.75rem;
    padding: 0 0 0 0.55rem;
    border-left: 3px solid #1677ff;
    font-size: 0.95rem;
    font-weight: 700;
    color: #303133;
    line-height: 1.25;
}

#groupIndexRoot .tool-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-content: flex-start;
    padding: 0.35rem 0 0.55rem;
    margin: 0 -0.35rem;
    background: transparent;
    overflow: visible;
}

#groupIndexRoot .tool-box li {
    float: none;
    flex: 0 0 25%;
    width: 25%;
    max-width: 25%;
    box-sizing: border-box;
    padding: 0 0.35rem;
}

#groupIndexRoot .tool-card {
    margin-top: 0.65rem;
    margin-bottom: 0.85rem;
    margin-left: 0;
    margin-right: 0;
    padding: 0.85rem 0.9rem;
    background: #fff;
    box-shadow: 0 1px 2px rgba(64, 158, 255, 0.05);
    border: 1px solid #edf5ff;
}

#groupIndexRoot .tool-box .tool-card:hover {
    background: #f7fbff;
    border-color: #d6e9ff;
    box-shadow: 0 4px 12px rgba(64, 158, 255, 0.1);
}

#groupIndexRoot .tool-card-dt {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

#groupIndexRoot .tool-card-title,
#groupIndexRoot .tool-card-dt strong {
    color: #737373;
    font-weight: 600;
}

#groupIndexRoot .home-tool-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: #f3f8ff;
    border-radius: 8px;
    flex-shrink: 0;
    line-height: 1;
    box-shadow: none;
}

#groupIndexRoot .home-tool-icon-svg {
    width: 1.35rem;
    height: 1.35rem;
    fill: none;
    stroke: #8ec5ff;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block;
}

#groupIndexRoot .home-tool-icon-svg text,
#groupIndexRoot .home-tool-icon-svg [fill="#fff"] {
    fill: #8ec5ff;
}

@media (max-width: 900px) {
    #groupIndexRoot .tool-box li {
        flex: 0 0 33.333%;
        width: 33.333%;
        max-width: 33.333%;
    }
}

@media (max-width: 720px) {
    .group-index-layout {
        flex-direction: column;
        gap: 0.85rem;
        min-height: 0;
    }

    .group-index-sidebar {
        flex: none;
        width: 100%;
        position: static;
        transform: none;
    }

    .group-index-navi ul {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .group-index-navi li a {
        white-space: normal;
        font-size: 0.75rem;
    }
}

@media (max-width: 640px) {
    #groupIndexRoot .tool-box li {
        flex: 0 0 50%;
        width: 50%;
        max-width: 50%;
    }
}