@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;700&display=swap');

    :root {
        --bg: #0f1115;
        --bg2: #0b0c10;

        --panel: rgba(30, 32, 38, .78);
        --panel-solid: #1c1f26;

        --text: #e7e7ea;
        --muted: rgba(231, 231, 234, .70);

        --line: rgba(255, 255, 255, .10);
        --line2: rgba(255, 255, 255, .14);

        --gold: #ffc107;
        --gold-10: rgba(255, 193, 7, .10);
        --gold-18: rgba(255, 193, 7, .18);
        --gold-28: rgba(255, 193, 7, .28);

        --red: #ff5252;
        --red-12: rgba(255, 82, 82, .12);
        --red-18: rgba(255, 82, 82, .18);

        --green: #61d97c;
        --green-12: rgba(97, 217, 124, .12);

        --shadow: 0 10px 28px rgba(0, 0, 0, .45);
        --shadow-soft: 0 6px 18px rgba(0, 0, 0, .35);

        --r: 14px;
    }

    /* =============== Root Container =============== */
    .rule-center {
        font-family: 'Noto Sans TC', sans-serif;
        color: var(--text);

        background:
            radial-gradient(1200px 520px at 20% 0%, rgba(255, 193, 7, .10), transparent 55%),
            radial-gradient(900px 420px at 80% 10%, rgba(97, 217, 124, .08), transparent 55%),
            radial-gradient(900px 420px at 75% 95%, rgba(255, 82, 82, .07), transparent 55%),
            linear-gradient(180deg, var(--bg2) 0%, var(--bg) 45%, var(--bg2) 100%);

        padding: 22px;
        border-radius: 18px;
    }

    /* =============== Header =============== */
    .rc-header {
        text-align: center;
        margin: 10px 0 18px;
    }

    .rc-title {
        font-size: 2.05rem;
        letter-spacing: 2px;
        color: var(--gold);
        text-shadow: 0 0 18px rgba(255, 193, 7, .12);
        margin: 0 0 6px;
        font-weight: 800;
    }

    .rc-sub {
        color: var(--muted);
        font-size: .95rem;
        margin: 0;
    }

    /* =============== Alert =============== */
    .rc-alert {
        max-width: 980px;
        margin: 0 auto 18px;

        display: flex;
        align-items: flex-start;
        gap: 12px;

        padding: 14px 16px;
        border-radius: var(--r);

        border: 1px solid rgba(255, 193, 7, .22);
        background: rgba(255, 193, 7, .08);
        box-shadow: var(--shadow-soft);
    }

    .rc-alert-ico {
        font-size: 1.6rem;
        line-height: 1;
        filter: drop-shadow(0 6px 12px rgba(0, 0, 0, .35));
    }

    .rc-alert-text {
        color: rgba(255, 255, 255, .90);
        font-size: .95rem;
    }

    /* =============== Layout (你現在只有 main) =============== */
    .rc-layout {
        max-width: 1200px;
        margin: 0 auto;
    }

    .rc-main {
        min-width: 0;
    }

    /* =============== Card =============== */
    .rc-card {
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: var(--r);
        box-shadow: var(--shadow);
        padding: 18px;
        margin-bottom: 14px;

        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .rc-card-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 12px;

        padding-bottom: 12px;
        margin-bottom: 12px;

        border-bottom: 1px solid rgba(255, 255, 255, .10);
    }

    .rc-card-title {
        font-weight: 900;
        font-size: 1.25rem;
        letter-spacing: .3px;
        color: rgba(255, 255, 255, .95);
    }

    .rc-card-desc {
        color: var(--muted);
        font-size: .9rem;
        white-space: nowrap;
    }

    /* =============== Rule List =============== */
    .rc-rule-list {
        list-style: none;
        padding: 0;
        margin: 0;

        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .rc-rule-item {
        display: flex;
        gap: 12px;

        padding: 12px 12px;
        border-radius: 14px;
        border: 1px solid rgba(255, 255, 255, .08);
        background: rgba(255, 255, 255, .02);

        transition: transform .14s ease, border-color .18s ease, background .18s ease;
    }

    .rc-rule-item:hover {
        border-color: rgba(255, 193, 7, .18);
        background: rgba(255, 193, 7, .05);
        transform: translateY(-1px);
    }

    .rc-no {
        flex: 0 0 auto;
        min-width: 74px;
        height: 28px;
        padding: 0 10px;

        border-radius: 999px;
        display: inline-flex;
        align-items: center;
        justify-content: center;

        font-weight: 900;
        letter-spacing: .5px;

        color: rgba(255, 255, 255, .92);
        background: rgba(255, 193, 7, .12);
        border: 1px solid rgba(255, 193, 7, .22);
    }

    .rc-text {
        color: rgba(231, 231, 234, .92);
        line-height: 1.75;
    }

    .rc-text a {
        color: var(--gold);
        text-decoration: none;
        border-bottom: 1px dashed rgba(255, 193, 7, .35);
    }

    .rc-text a:hover {
        border-bottom-color: rgba(255, 193, 7, .70);
    }

    /* 空結果提示 */
    .rc-empty {
        margin-top: 12px;
        padding: 12px 12px;
        border-radius: 14px;

        border: 1px solid rgba(255, 82, 82, .25);
        background: rgba(255, 82, 82, .10);
        color: rgba(255, 255, 255, .92);
    }

    /* =============== Text Blocks =============== */
    .rc-text-block {
        color: rgba(231, 231, 234, .86);
    }

    .rc-text-block p {
        margin: 0 0 10px;
        line-height: 1.8;
    }

    .rc-mini-title {
        margin-top: 12px;
        margin-bottom: 8px;
        font-weight: 900;
        color: rgba(255, 255, 255, .92);
    }

    .rc-bullets {
        margin: 0;
        padding-left: 18px;
        color: rgba(231, 231, 234, .86);
    }

    .rc-bullets li {
        margin: 6px 0;
    }

    .rc-ol {
        margin: 0;
        padding-left: 18px;
        color: rgba(231, 231, 234, .86);
    }

    .rc-ol li {
        margin: 6px 0;
    }

    /* =============== Table =============== */
    .rc-table-wrap {
        overflow-x: auto;
        border-radius: 14px;
        border: 1px solid rgba(255, 255, 255, .08);
        background: rgba(0, 0, 0, .12);

        position: relative;
    }

    /* 手機滑動提示（不影響桌機） */
    .rc-table-wrap::after {
        content: "左右滑動查看 →";
        position: sticky;
        left: 0;
        display: none;
        width: fit-content;
        margin: 10px 10px 0;
        padding: 6px 10px;
        border-radius: 999px;
        background: rgba(255, 255, 255, .06);
        border: 1px solid rgba(255, 255, 255, .10);
        color: rgba(255, 255, 255, .75);
        font-size: .85rem;
    }

    .rc-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 720px;
    }

    .rc-table th,
    .rc-table td {
        padding: 12px 12px;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
        text-align: left;
        vertical-align: top;
    }

    .rc-table th {
        position: sticky;
        top: 0;
        z-index: 1;

        background: rgba(255, 255, 255, .05);
        color: rgba(255, 255, 255, .92);
        border-bottom: 1px solid rgba(255, 255, 255, .10);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
    }

    .rc-table tr:hover td {
        background: rgba(255, 193, 7, .04);
    }

    .rc-table .del {
        color: rgba(255, 82, 82, .95);
        font-weight: 900;
    }

    /* Note */
    .rc-note {
        margin-top: 12px;
        padding: 12px 12px;
        border-radius: 14px;

        border: 1px solid rgba(97, 217, 124, .20);
        background: rgba(97, 217, 124, .08);
        color: rgba(255, 255, 255, .90);
    }

    /* Footer Warning */
    .rc-footer-warn {
        margin-top: 18px;
        padding: 14px 14px;
        border-radius: 14px;

        border: 1px solid rgba(255, 82, 82, .22);
        background: rgba(255, 82, 82, .10);
        color: rgba(255, 255, 255, .92);

        text-align: center;
        font-weight: 900;
        letter-spacing: .3px;
    }

    /* =============== Responsive =============== */
    @media (max-width: 980px) {
        .rule-center {
            padding: 16px;
            border-radius: 16px;
        }

        .rc-title {
            font-size: 1.55rem;
        }

        .rc-sub {
            font-size: .92rem;
        }

        .rc-card {
            padding: 14px;
        }

        .rc-card-title {
            font-size: 1.12rem;
        }

        .rc-card-desc {
            white-space: normal;
        }

        .rc-rule-item {
            padding: 11px 11px;
        }

        .rc-no {
            min-width: 66px;
            height: 26px;
            font-size: .9rem;
        }

        .rc-table-wrap::after {
            display: inline-block;
        }

        .rc-table th,
        .rc-table td {
            padding: 10px 10px;
        }
    }

    @media (max-width: 520px) {
        .rc-rule-item {
            flex-direction: column;
            gap: 8px;
        }

        .rc-no {
            align-self: flex-start;
        }
    }