.vof-sixs-overview {
    padding: 120px 0;
    background: var(--bg);
}

.vof-sixs-overview .label-caps {
    display: block;
    text-align: center;
}

.vof-sixs-overview h2 {
    text-align: center;
}

.vof-sixs-overview__intro {
    text-align: center;
    color: var(--muted);
    font-size: 1rem;
    max-width: 600px;
    margin: -16px auto 64px;
    line-height: 1.7;
}

.vof-sixs-overview__flow {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    position: relative;
    align-items: start;
}

.vof-sixs-overview__flow::before {
    content: '';
    position: absolute;
    top: 56px;
    left: calc(100% / 12);
    right: calc(100% / 12);
    height: 2px;
    background: var(--accent);
    opacity: 0.15;
    z-index: 0;
}

.vof-sixs-overview__node {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s;
    padding: 0 8px;
}

.vof-sixs-overview__node:hover {
    transform: translateY(-4px);
}

.vof-sixs-overview__node:hover .vof-sixs-overview__circle {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(0, 87, 255, 0.2);
}

.vof-sixs-overview__node:hover .vof-sixs-overview__num,
.vof-sixs-overview__node:hover .vof-sixs-overview__code {
    color: #fff;
}

.vof-sixs-overview__circle {
    width: 112px;
    height: 112px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.vof-sixs-overview__num {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 1px;
    transition: color 0.3s;
}

.vof-sixs-overview__code {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.3px;
    margin-top: 2px;
    transition: color 0.3s;
}

.vof-sixs-overview__name {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}

.vof-sixs-overview__desc {
    font-size: 0.8125rem;
    color: var(--muted);
    line-height: 1.5;
    max-width: 140px;
}


@media (max-width: 1024px) {
    .vof-sixs-overview__flow {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
    }
    .vof-sixs-overview__flow::before { display: none; }
}

@media (max-width: 768px) {
    .vof-sixs-overview { padding: 80px 0; }
    .vof-sixs-overview__flow {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    .vof-sixs-overview__circle { width: 88px; height: 88px; }
}

@media (max-width: 480px) {
    .vof-sixs-overview__flow { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}