:root {
    --bg: #f5f6fa;
    --card: #ffffff;
    --card-hover: #f0f0f5;
    --text: #1a1a1a;
    --muted: #555;
    --radius: 0.132rem;
    --shadow: 0 0.038rem 0.113rem rgba(0,0,0,.08);
}

* {
    box-sizing: border-box
}

html, body {
    height: 100%
}
a {
    color:#000;
}
.container {
    max-width: 11.132rem;
    margin: 0 auto;
    padding: 0.377rem 0.189rem 0.679rem;
}

.title {
    text-align: center;
    letter-spacing: .18em;
    font-weight: 700;
    font-size: 0.208rem;
    margin: 0.075rem 0 0.264rem;
    color: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(1.509rem, 1fr));
    gap: 0.170rem;
}

.brand {
    background: var(--card);
    border-radius: var(--radius);
    padding: 0.151rem 0.113rem;
    text-align: center;
    cursor: default;
    transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
    box-shadow: var(--shadow);
}

    .brand:hover {
        background: #409EFF;
        transform: translateY(-0.019rem);
        box-shadow: 0 0.057rem 0.170rem rgba(0,0,0,.12);
        cursor: pointer;
    }

.logo-ring {
    width: 0.528rem;
    height: 0.528rem;
    margin: 0.038rem auto 0.094rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    overflow: hidden;
    position: relative;
    background: #fff;
    border: 1px solid #ddd;
}

    .logo-ring img {
        width: 72%;
        height: 72%;
        object-fit: contain;
        display: block;
    }

.fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #333;
}

.brand-name {
    font-size: 0.15rem;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width:5.094rem) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .logo-ring {
        width: 0.491rem;
        height: 0.491rem;
    }
}

.container {
    width: 60%;
    text-align: center;
}

h2 {
    font-size: 0.208rem;
    font-weight: 600;
    margin-bottom: 0.377rem;
    letter-spacing: 0.019rem;
    color: #fff;
}

/* ✅ 使用 gap 创建网格间距 */
.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.189rem; /* 增加间隔 */
}

.grid-item {
    padding: 0.283rem 0;
    font-size: 0.170rem;
    background: #ffffff;
    border: 1px solid #e0e0e0; /* 添加轻微边框区分 */
    border-radius: 0.057rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

    .grid-item:hover {
        background: #409EFF;
        color: #fff;
        border-color: #409EFF;
    }

/* ✅ 响应式：改为两列 */
@media (max-width: 7.245rem) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.142rem;
    }

    .grid-item {
        font-size: 0.151rem;
        padding: 0.189rem 0;
    }
}