/* 子站导航（各子站页中部），颜色由 data-theme 决定 */
.sn-sites {
    --sn-h1: #f05050;
    --sn-h2: #c62828;
    --sn-hc: #ffffff;
    --sn-bd: #e6b85c;
    --sn-bg: #ffffff;
    --sn-line: #ececec;
    box-sizing: border-box;
    width: 100%;
    margin: 8px 0;
    overflow: hidden;
    background: var(--sn-bg);
    border: 2px solid var(--sn-bd);
    border-radius: 6px;
    box-shadow: 0 0 0 1px #000, 0 3px 10px rgba(0, 0, 0, 0.35);
}

.sn-sites[data-theme="zhan1"] {
    --sn-h1: #b71c1c;
    --sn-h2: #5e0b0b;
    --sn-hc: #ffd54a;
    --sn-bd: #b71c1c;
    --sn-bg: #fffaf0;
}

.sn-sites[data-theme="zhan2"] {
    --sn-h1: #1e63c9;
    --sn-h2: #0a2a6b;
    --sn-hc: #bfe3ff;
    --sn-bd: #1e63c9;
    --sn-bg: #fbfdff;
}

.sn-sites[data-theme="zhan4"] {
    --sn-h1: #2a2113;
    --sn-h2: #120e08;
    --sn-hc: #f6d365;
    --sn-bd: #f6d365;
    --sn-bg: #fffdf6;
}

.sn-title {
    font-size: 20px;
    font-weight: 900;
    line-height: 38px;
    text-align: center;
    color: var(--sn-hc);
    text-shadow: 0 2px 2px rgba(0, 0, 0, 0.6);
    background: linear-gradient(180deg, var(--sn-h1), var(--sn-h2));
}

.sn-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--sn-line);
    border-left: 1px solid var(--sn-line);
    margin: 0;
}

.sn-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    padding: 10px 2px 8px;
    border-right: 1px solid var(--sn-line);
    border-bottom: 1px solid var(--sn-line);
    font-size: 14px;
    line-height: 1.3;
    color: #333;
    text-align: center;
    text-decoration: none;
}

.sn-card.is-current {
    background: rgba(255, 193, 7, 0.16);
}

.sn-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 13px;
    color: #fff;
    font-size: 16px;
    font-weight: 900;
    text-shadow: 0 2px 0 rgba(0, 0, 0, 0.2);
    object-fit: cover;
}

.sn-logo-1988 {
    font-size: 20px;
    background: linear-gradient(135deg, #3fa9ff, #1b5fe0);
}

.sn-logo-zhan1 {
    background: linear-gradient(135deg, #ff7a59, #d6361f);
}

.sn-logo-zhan2 {
    background: linear-gradient(135deg, #6c8cff, #3a3fd0);
}

.sn-logo-zhan4 {
    background: linear-gradient(135deg, #ffc233, #e08a00);
}

.sn-logo-img {
    background: #f1f2f4;
}

.sn-name {
    display: block;
    max-width: 100%;
    overflow: hidden;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.sn-card.is-soon {
    cursor: default;
}

@media (max-width: 480px) {
    .sn-logo {
        width: 52px;
        height: 52px;
        font-size: 14px;
    }

    .sn-logo-1988 {
        font-size: 18px;
    }

    .sn-name {
        font-size: 13px;
    }
}