ai {
    --bg: #0d0d0d;
    --border: #3a0000;
    --accent: #8b0000;
    --text: #c0c0c0;
    --gold: #86744d;
    display: block;
    background: var(--bg);
    color: var(--text);
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 4px;
    position: relative;
    box-shadow: inset 0 0 50px rgba(0,0,0,0.9);
    line-height: 1.6;
}

ai::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    border: 1px solid var(--gold);
    margin: 4px;
    opacity: 0.2;
    mask-image: linear-gradient(45deg, black 10%, transparent 40%, transparent 60%, black 90%);
}

hd {
    display: block;
    text-align: center;
    font-size: 12px;
    color: var(--gold);
    border-bottom: 1px double var(--border);
    padding-bottom: 8px;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

p { margin-bottom: 12px; }

details {
    margin-top: 20px;
    border-top: 1px solid var(--border);
    background: rgba(20, 0, 0, 0.3);
}

summary {
    padding: 8px;
    color: var(--gold);
    font-weight: bold;
    cursor: pointer;
    list-style: none;
    text-align: center;
    font-size: 13px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

details p {
    padding: 10px;
    margin: 0;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

f {
    display: inline-block;
    font-weight: bold;
    color: #fff;
    margin-right: 8px;
    text-shadow: 0 0 5px var(--accent);
}

d {
    display: block;
    color: #999;
    font-size: 12px;
    padding-left: 10px;
    position: relative;
}

d::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

[t="姐姐"] f { color: #ffb6c1; text-shadow: 0 0 8px #8b0000; }
[t="弟弟"] f { color: #add8e6; text-shadow: 0 0 8px #00008b; }
[t="行动建议"] d { color: var(--gold); cursor: pointer; transition: 0.3s; }
[t="行动建议"] d:hover { color: #fff; transform: translateX(5px); }

article {
    display: block;
    padding: 10px 5px;
    font-size: 15px;
    color: #ececec;
    text-align: justify;
}