.lm-collapse-wrap{background:var(--c-card,#fff);border:1px solid var(--c-line,#e2e8f0);border-radius:var(--lm-radius,8px);margin:1.5em 0;overflow:hidden}.lm-collapse-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;cursor:pointer;user-select:none;background:var(--c-soft,#f8fafc);border-bottom:1px solid var(--c-line,#e2e8f0);transition:background .2s}.lm-collapse-bar:hover{background:var(--c-line-soft,#edf2f0)}.lm-collapse-title{font-size:14px;font-weight:600;color:var(--c-text-2,#475569)}.lm-collapse-toggle{font-size:13px;color:var(--c-text-3,#94a3b8)}.lm-collapse-toggle::after{content:' \25BE';display:inline-block;transition:transform .25s}.lm-collapse-wrap.is-collapsed .lm-collapse-toggle{content:'展开'}.lm-collapse-wrap.is-collapsed .lm-collapse-toggle::after{transform:rotate(-90deg)}.lm-collapse-wrap.is-open .lm-collapse-toggle{content:'折叠'}.lm-collapse-body{padding:16px;max-height:5000px;opacity:1;overflow:hidden;transition:max-height .35s ease,opacity .25s ease,padding .25s ease}.lm-collapse-body>*{margin-top:0 !important;margin-bottom:0 !important}.lm-collapse-body>*+*{margin-top:16px !important}.lm-collapse-wrap.is-collapsed .lm-collapse-body{max-height:0;opacity:0;padding-top:0;padding-bottom:0}html.dark .lm-collapse-wrap{background:var(--c-card);border-color:var(--c-line)}html.dark .lm-collapse-bar{background:var(--c-soft);border-color:var(--c-line)}html.dark .lm-collapse-bar:hover{background:var(--c-line-soft)}html.dark .lm-collapse-title{color:var(--c-text-2)}html.dark .lm-collapse-toggle{color:var(--c-text-3)}