/* ═══ 哥特教堂主题 · 莉莉安娜 ═══ */
ai{--g:#c9a84c;--r:#8b2252;--p:#4a1a6b;--bg:rgba(15,10,20,.85);--tx:#d4c8b8;--dim:#8a7e6e;--bd:rgba(120,90,60,.25);display:block;font:15px/1.6 Georgia,"Noto Serif SC",serif;color:var(--tx);position:relative}
@media(prefers-color-scheme:light){ai{--bg:rgba(245,240,232,.92);--tx:#2a1f1a;--dim:#6b5e50;--bd:rgba(160,130,80,.2);--g:#8b7328;--r:#7a1e48;--p:#3d1558}}

/* ─── 顶部信息条 ─── */
ai>hd{display:block;padding:6px 12px;background:linear-gradient(90deg,var(--p),rgba(0,0,0,.3),var(--p));border-bottom:1px solid var(--g);font:600 13px/1.5 sans-serif;color:var(--g);text-align:center;letter-spacing:.5px;position:relative}
ai>hd::before,ai>hd::after{content:"✦";margin:0 4px;opacity:.5}

/* ─── 正文区 ─── */
ai>article{padding:12px 12px 12px 20px;position:relative}
ai>article::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--g),var(--r),var(--p));border-radius:2px}
ai>article>p{margin:0 0 10px;text-indent:2em;text-align:justify}
ai>article>p:last-child{margin-bottom:4px}

/* ─── 折叠面板通用 ─── */
ai>details{background:var(--bg);border:1px solid var(--bd);border-radius:4px;margin:4px 0;overflow:hidden}
ai>details>summary{padding:6px 12px;font:700 14px/1.4 sans-serif;color:var(--g);cursor:pointer;list-style:none;position:relative;transition:background .2s}
ai>details>summary::-webkit-details-marker{display:none}
ai>details>summary::after{content:"▸";position:absolute;right:10px;top:6px;transition:transform .2s;font-size:12px}
ai>details[open]>summary::after{transform:rotate(90deg)}
ai>details>summary:hover{background:rgba(201,168,76,.08)}

/* ─── 面板内容 ─── */
ai>details>p{margin:0;padding:2px 10px}
ai>details>p+p{border-top:1px dashed var(--bd)}

/* ─── [t] 属性分区标题 ─── */
ai>details>p[t]::before{content:attr(t);display:block;font:700 11px/1 sans-serif;color:var(--r);text-transform:uppercase;letter-spacing:1.5px;padding:6px 0 3px;opacity:.8}

/* ─── d行 ─── */
ai d{display:block;font-size:13px;padding:1px 0;color:var(--dim);line-height:1.5}
ai d b{color:var(--r);font-weight:700;text-shadow:0 0 6px rgba(139,34,82,.4);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.7}}

/* ─── 选项区 ─── */
ai>nav{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:6px}
ai>nav>d{display:block;padding:8px 10px;border-radius:4px;font:600 13px/1.4 sans-serif;cursor:pointer;border:1px solid var(--bd);transition:all .2s;text-align:center}
ai>nav>d:nth-child(1){color:#5b9bd5;border-color:rgba(91,155,213,.3)}
ai>nav>d:nth-child(2){color:var(--r);border-color:rgba(139,34,82,.3)}
ai>nav>d:nth-child(3){color:var(--dim);border-color:var(--bd)}
ai>nav>d:nth-child(4){color:#9b59b6;border-color:rgba(155,89,182,.3)}
ai>nav>d:hover{transform:scale(1.02);box-shadow:0 0 12px rgba(201,168,76,.15);background:rgba(201,168,76,.06)}

/* ─── 哥特装饰 ─── */
ai::before{content:"";display:block;height:3px;background:linear-gradient(90deg,transparent,var(--g),var(--r),var(--g),transparent)}
ai::after{content:"";display:block;height:2px;background:linear-gradient(90deg,transparent,var(--p),var(--g),var(--p),transparent);margin-top:4px}

/* ─── 第一个details特殊强调（莉莉安娜） ─── */
ai>details:nth-of-type(1){border-color:rgba(139,34,82,.3)}
ai>details:nth-of-type(1)>summary{color:var(--r);background:linear-gradient(90deg,rgba(139,34,82,.06),transparent)}

/* ─── 记忆区表格感 ─── */
ai>details:nth-of-type(4) d{font-family:Consolas,"Courier New",monospace;font-size:12px;border-left:2px solid var(--p);padding-left:8px;margin:2px 0}