:root{--bg-card:rgba(255,255,255,0.82);--bg-card-hover:rgba(255,255,255,0.95);--text-primary:#0b1a33;--text-muted:#7a8aa3;--accent-deep:#2563eb;--accent-light:rgba(59,130,246,0.10);--shadow-sm:0 2px 8px rgba(0,0,0,0.04);--shadow-md:0 8px 28px rgba(0,0,0,0.06);--shadow-lg:0 20px 48px -8px rgba(0,0,0,0.10);--radius:28px;--radius-md:18px;--radius-sm:12px;--transition:all 0.3s cubic-bezier(0.2,0.9,0.4,1.1)}
    body{background:#fff!important}
    body.dark{--bg-page:#0b1120;--bg-card:rgba(30,41,59,0.80);--bg-card-hover:rgba(30,41,59,0.95);--text-primary:#f1f5f9;--text-muted:#7f8ea3;--accent:#60a5fa;--accent-deep:#3b82f6;--accent-light:rgba(96,165,250,0.15);--glass-border:rgba(255,255,255,0.06)}
    body.dark{background:#0b1120!important}
     .main-wrapper{margin-left:max(calc(var(--sidebar-width) + 40px),calc((100% - 1350px + var(--sidebar-width) + 40px)/2));max-width:1350px;margin-right:auto;min-height:100vh;padding:0 0 28px}
     a{text-decoration:none}
    .dm-header{display:none!important}
    .dm-container{width:100%!important;margin:0!important;padding:28px 0 0!important}
    .dm-layout{display:flex!important;width:100%!important;position:relative!important}
    .dm-sidebar{width:240px!important;flex-shrink:0!important;background:var(--bg-card)!important;backdrop-filter:blur(12px)!important;border:1px solid var(--glass-border)!important;border-radius:18px!important;box-shadow:var(--shadow-sm)!important;padding:20px 16px!important;overflow-y:auto!important;position:sticky!important;top:28px!important;align-self:flex-start!important;height:calc(100vh - 56px)!important}
    .dm-sidebar-backdrop{display:none!important}
    .dm-sidebar::before{content:'📖 文档目录';display:block;font-size:0.92rem;font-weight:700;color:var(--text-primary);padding:0 8px 12px;margin:0 0 12px;border-bottom:1px solid var(--glass-border)}
    .dm-nav-tree{list-style:none!important;padding:0!important;margin:0!important}
    .dm-nav-tree__item{margin:2px 0!important}
    .dm-nav-tree__toggle{display:flex!important;align-items:center!important;gap:4px!important;padding:6px 8px!important;border-radius:10px!important;font-size:0.84rem!important;font-weight:600!important;color:var(--text-primary)!important;cursor:pointer!important;transition:background .15s!important;list-style:none!important}
    .dm-nav-tree__toggle::-webkit-details-marker{display:none!important}
    .dm-nav-tree__toggle::marker{content:''!important;font-size:0!important}
    .dm-nav-tree__toggle::before{content:'▸';margin-right:4px;font-size:0.7rem;transition:transform .2s;color:var(--text-muted)}
    details[open]>.dm-nav-tree__toggle::before{content:'▾'}
    .dm-nav-tree__toggle:hover{background:var(--accent-light)!important}
    .dm-nav-tree__link{display:block!important;padding:5px 8px!important;border-radius:6px!important;font-size:0.9rem!important;color:var(--text-secondary)!important;transition:all .15s!important;text-decoration:none!important;line-height:1.4!important}
    .dm-nav-tree__link:hover{background:var(--accent-light)!important;color:var(--accent)!important}
    .dm-nav-tree__link--active{background:var(--accent-light)!important;color:var(--accent)!important;font-weight:600!important}
    .dm-nav-tree__nested{padding-left:12px!important;margin-top:2px!important}
    .dm-main{flex:1!important;display:flex!important;padding:0!important}
    .dm-content{width:760px!important;margin:0 auto!important;flex-shrink:0!important;max-width:100%!important}
    .dm-content__header{display:flex!important;align-items:center!important;justify-content:space-between!important;gap:16px!important;margin-bottom:24px!important;background:var(--bg-card)!important;backdrop-filter:blur(12px)!important;border:1px solid var(--glass-border)!important;border-radius:var(--radius-md)!important;padding:10px 20px!important;position:sticky!important;top:28px!important;z-index:10!important;width:fit-content!important;max-width:100%!important}
    .dm-content__breadcrumb{display:none!important}
    .dm-content__breadcrumb a{color:var(--text-muted)!important;padding:2px 8px;border-radius:6px}
    .dm-content__breadcrumb a:hover{color:var(--accent)!important;background:var(--accent-light)!important}
    .dm-content__breadcrumb a:not(:last-child)::after{content:'›';margin:0 6px;opacity:.35}
    .dm-content__breadcrumb a:last-child{color:var(--text-primary)!important;font-weight:600!important}
    .dm-content__controls{display:flex!important;gap:6px!important}
    .dm-content__controls button{display:inline-flex!important;align-items:center!important;gap:4px!important;padding:5px 14px!important;border-radius:40px!important;background:var(--accent-light)!important;border:none!important;color:var(--accent)!important;font-size:0.72rem!important;font-weight:500!important;cursor:pointer!important;font-family:inherit!important}
    .dm-content__controls button:hover{background:var(--accent)!important;color:#fff!important}
    .dm-content__body{padding:0!important;margin:0!important;background:transparent!important;font-size:0.95rem!important;line-height:1.85!important;color:var(--text-primary)!important}
    .dm-content__body h2{font-size:1.4rem!important;font-weight:700!important;margin-top:2rem!important;margin-bottom:.6rem!important;padding-bottom:8px!important;border-bottom:2px solid var(--accent-light)!important}
    .dm-content__body h3{font-size:1.15rem!important;font-weight:700!important;margin-top:1.6rem!important;margin-bottom:.5rem!important}
    .dm-content__body p{margin-bottom:.8rem!important;line-height:1.85!important}
    .dm-content__body img{max-width:100%!important;border-radius:var(--radius-sm)!important;margin:1rem 0!important}
    .dm-content__body pre{background:var(--bg-card)!important;border-radius:var(--radius-sm)!important;padding:1rem 1.2rem!important;overflow-x:auto!important;border:1px solid var(--glass-border)!important;margin:1rem 0!important;font-size:.85rem!important}
    .dm-content__body code{background:var(--accent-light)!important;padding:2px 6px!important;border-radius:4px!important;font-size:.9em!important}
    .dm-content__body pre code{background:transparent!important;padding:0!important}
    .dm-content__body blockquote{border-left:3px solid var(--accent)!important;padding:.6rem 1rem!important;margin:.8rem 0!important;background:var(--accent-light)!important;border-radius:0 var(--radius-sm) var(--radius-sm) 0!important;color:var(--text-secondary)!important}
    .dm-content__body table{width:100%!important;border-collapse:collapse!important;margin:1rem 0!important}
    .dm-content__body th,.dm-content__body td{padding:8px 12px!important;border:1px solid var(--glass-border)!important;font-size:.82rem!important}
    .dm-content__body th{background:var(--bg-card)!important;font-weight:600!important}
    .dm-content__body ul,.dm-content__body ol{padding-left:1.4rem!important;margin-bottom:.8rem!important}
    .dm-content__comment{margin-top:28px!important;padding-top:20px!important;border-top:1px solid var(--glass-border)!important}
    .dm-doc-nav{display:flex!important;gap:12px!important;margin-top:28px!important;padding-top:20px!important;border-top:1px solid var(--glass-border)!important}
    .dm-doc-nav__item{flex:1!important;display:flex!important;align-items:center!important;gap:10px!important;padding:14px 20px!important;background:var(--bg-card)!important;backdrop-filter:blur(12px)!important;border-radius:var(--radius-md)!important;border:1px solid var(--glass-border)!important}
    .dm-doc-nav__item:hover{background:var(--bg-card-hover)!important}
    .dm-doc-nav__item--next{flex-direction:row-reverse!important;text-align:right!important}
    .dm-doc-nav__icon{width:30px!important;height:30px!important;border-radius:50%!important;background:var(--accent-light)!important;display:flex!important;align-items:center!important;justify-content:center!important;color:var(--accent)!important;flex-shrink:0!important}
    .dm-doc-nav__icon::before{font-family:"Font Awesome 6 Free";font-size:.9rem;line-height:1;font-weight:900}
    .dm-doc-nav__item:not(.dm-doc-nav__item--next) .dm-doc-nav__icon::before{content:"\f104"}
    .dm-doc-nav__item--next .dm-doc-nav__icon::before{content:"\f105"}
    .dm-doc-nav__icon:empty{font-size:0}
    .dm-doc-nav__label{font-size:.68rem!important;color:var(--text-muted)!important}
    .dm-doc-nav__title{font-size:.85rem!important;font-weight:600!important;color:var(--text-primary)!important}

    /* ===== TOC：PC 常驻右侧 / 移动端浮动 ===== */
    .dm-toc{display:block!important;width:290px!important;flex-shrink:0!important;position:sticky!important;top:120px!important;align-self:flex-start!important;background:var(--bg-card)!important;backdrop-filter:blur(12px)!important;border:1px solid var(--glass-border)!important;border-radius:18px!important;box-shadow:var(--shadow-sm)!important;padding:18px 20px!important;max-height:calc(100vh - 140px)!important;overflow-y:auto!important}
    .dm-toc-backdrop{display:none!important}
    .dm-toc__header h2{font-size:.88rem!important;font-weight:700!important;color:var(--text-primary)!important;margin:0 0 10px!important;padding:0!important;border:none!important}
    .dm-toc__body{font-size:.82rem!important;line-height:1.6!important;max-height:calc(100vh - 160px)!important;overflow-y:auto!important}
    .dm-toc__body a{display:block!important;padding:4px 8px!important;color:var(--text-secondary)!important;border-radius:6px!important;transition:all .15s!important;text-decoration:none!important}
    .dm-toc__body a:hover{color:var(--accent)!important;background:var(--accent-light)!important}

    @media(min-width:1651px){.dm-content__controls{display:none!important}}
    @media(max-width:1650px){
      .dm-main{flex-direction:column!important;padding:0 24px 0 24px!important}
      .dm-content{width:100%!important;margin:0 0 24px!important}
      .dm-toc{width:100%!important;margin-left:0!important}
      .dm-content__header{top:28px!important;padding:8px 16px!important}
      .dm-content__breadcrumb{font-size:0.82rem!important}
    }
    @media(max-width:1000px){
      .main-wrapper{margin-left:0;max-width:none;padding:0}
      .dm-container{padding:0!important}
      .dm-layout{flex-direction:column!important}
      .dm-sidebar{position:fixed!important;left:0!important;top:56px!important;bottom:0!important;z-index:99!important;height:calc(100vh - 56px)!important;width:260px!important;border-radius:0!important;border-left:none!important;transform:translateX(-100%)!important;transition:transform .25s ease!important}
      .dm-sidebar.open{transform:translateX(0)!important;box-shadow:var(--shadow-lg)!important}
      .dm-sidebar-backdrop{display:block!important;position:fixed!important;inset:0!important;z-index:98!important;background:rgba(0,0,0,.35)!important;opacity:0!important;pointer-events:none!important;transition:opacity .25s!important}
      .dm-sidebar-backdrop.show{opacity:1!important;pointer-events:auto!important}
      .dm-main{padding:0 12px!important;flex-direction:column!important}
      .dm-content{margin:0!important}
      .dm-content__header{position:static!important;padding:4px 10px!important;margin-bottom:10px!important;width:100%!important}
      .dm-content__breadcrumb{font-size:0.78rem!important;gap:0!important;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .dm-content__controls button{padding:4px 10px!important;font-size:0.68rem!important}
      .dm-toc{position:fixed!important;bottom:16px!important;left:16px!important;right:16px!important;width:auto!important;top:auto!important;max-height:50vh!important;overflow-y:auto!important;background:var(--bg-card)!important;backdrop-filter:blur(20px)!important;border:1px solid var(--glass-border)!important;border-radius:20px!important;box-shadow:var(--shadow-lg)!important;padding:20px 18px!important;z-index:200!important;transform:translateY(calc(100% + 32px))!important;opacity:0!important;pointer-events:none!important;transition:transform .3s ease,opacity .3s ease!important}
      .dm-toc.open{transform:translateY(0)!important;opacity:1!important;pointer-events:auto!important}
      .dm-toc-backdrop{display:block!important;position:fixed!important;inset:0!important;z-index:199!important;background:rgba(0,0,0,.35)!important;opacity:0!important;pointer-events:none!important;transition:opacity .25s!important}
      .dm-toc-backdrop.show{opacity:1!important;pointer-events:auto!important}
    }
    @media(min-width:1001px){
      .dm-sidebar{position:sticky!important;top:28px!important;align-self:flex-start!important;height:calc(100vh - 56px)!important}
      .dm-content__breadcrumb{display:none!important}
    }

    /* ===== 知识点卡片目录 ===== */
    @media(min-width:1001px){
      .dm-main{display:grid!important;grid-template-columns:minmax(0,1fr) minmax(220px,290px)!important;gap:30px!important;align-items:start!important;padding:0!important}
      .dm-content{width:auto!important;max-width:none!important;margin:0!important}
      .dm-toc{width:auto!important;margin:0!important;padding:0!important;background:transparent!important;border:0!important;box-shadow:none!important;backdrop-filter:none!important;overflow:visible!important;max-height:none!important;top:28px!important}
    }
    .dm-toc__header{padding:16px 18px!important;margin-bottom:12px!important;background:var(--bg-card)!important;border:1px solid var(--glass-border)!important;border-radius:18px!important;box-shadow:var(--shadow-sm)!important}
    .dm-toc__header h2{margin:0!important;font-size:.95rem!important}
    .dm-toc__body{max-height:calc(100vh - 150px)!important;overflow-y:auto!important;padding:2px!important}
    .dm-toc__body [data-toc-list],.dm-toc__body ul[data-toc-list],.dm-toc__body ol[data-toc-list]{display:flex!important;flex-wrap:wrap!important;align-items:flex-start!important;justify-content:flex-start!important;gap:14px!important;width:100%!important;margin:0!important;padding:0!important;list-style:none!important}
    .dm-toc__body a.knowledge-card{display:flex!important;flex:0 1 auto!important;align-items:center!important;min-width:0!important;min-height:48px!important;width:max-content!important;max-width:100%!important;box-sizing:border-box!important;padding:9px 13px!important;background:var(--bg-card)!important;border:1px solid var(--glass-border)!important;border-radius:14px!important;box-shadow:var(--shadow-sm)!important;color:var(--text-primary)!important;text-decoration:none!important;white-space:normal!important;overflow-wrap:anywhere!important;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease!important}
    .knowledge-card:hover{transform:translateY(-2px)!important;border-color:rgba(59,130,246,.28)!important;box-shadow:var(--shadow-md)!important;background:var(--bg-card-hover)!important}
    .knowledge-card-title{display:block!important;min-width:0!important;font-size:.84rem!important;line-height:1.5!important;font-weight:650!important;overflow-wrap:anywhere!important}
    @media(max-width:1000px){
      .dm-toc__body [data-toc-list],.dm-toc__body ul[data-toc-list],.dm-toc__body ol[data-toc-list]{gap:12px!important}
      .dm-toc__body a.knowledge-card{min-height:44px!important;border-radius:12px!important;padding:8px 11px!important}
      .knowledge-card-title{font-size:.84rem!important}
    }

    /* ===== 参考知识学习页：文章卡片 + 右侧知识点标签云 ===== */
    @media(min-width:1001px){
      .dm-layout{gap:20px!important}
      .dm-main{grid-template-columns:minmax(0,1fr) 320px!important;gap:20px!important}
      .dm-content{margin-top:0!important;background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important;padding:48px 34px 30px!important}
      .dm-content__body{font-size:.95rem!important}
      .dm-content__header{display:none!important}
      .dm-toc{top:112px!important;padding:0!important;background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important}
      .dm-toc{padding:20px!important;background:#fafafa!important;border:0!important;border-radius:18px!important;box-shadow:none!important}
      body.dark .dm-toc{background:var(--bg-card)!important}
    }
    .dm-toc__header{display:flex!important;align-items:center!important;padding:0!important;margin:0 0 16px!important;border:0!important;background:transparent!important;border-radius:0!important;box-shadow:none!important}
    .dm-toc__header h2{font-size:18px!important;font-weight:700!important;margin:0!important}
    .dm-toc__body{max-height:none!important;overflow:visible!important;padding:0!important}
    .dm-knowledge-tags{display:flex!important;flex-wrap:wrap!important;align-items:flex-start!important;gap:10px!important}
    .dm-toc__body .dm-knowledge-tags a.knowledge-tag{display:inline-flex!important;flex:0 0 auto!important;align-items:center!important;min-height:0!important;width:auto!important;max-width:100%!important;margin:0!important;padding:8px 14px!important;border:1px solid!important;border-radius:10px!important;background:#fff!important;box-shadow:none!important;font-size:13px!important;font-weight:400!important;line-height:1.35!important;text-decoration:none!important;white-space:normal!important;overflow-wrap:anywhere!important;transition:transform .25s ease,background .25s ease,color .25s ease!important}
    .dm-toc__body .dm-knowledge-tags a.knowledge-tag:hover{transform:translateY(-2px)!important}
    .dm-toc__body .knowledge-tag.blue{border-color:#93c5fd!important;color:#2563eb!important}
    .dm-toc__body .knowledge-tag.green{border-color:#86efac!important;color:#16a34a!important}
    .dm-toc__body .knowledge-tag.purple{border-color:#c4b5fd!important;color:#7c3aed!important}
    .dm-toc__body .knowledge-tag.orange{border-color:#fdba74!important;color:#ea580c!important}
    .dm-toc__body .knowledge-tag.cyan{border-color:#67e8f9!important;color:#0891b2!important}
    .dm-toc__body .knowledge-tag.pink{border-color:#f9a8d4!important;color:#db2777!important}
    .dm-toc__body .knowledge-tag.blue.active{background:#2563eb!important;color:#fff!important}
    .dm-toc__body .knowledge-tag.green.active{background:#16a34a!important;color:#fff!important}
    .dm-toc__body .knowledge-tag.purple.active{background:#7c3aed!important;color:#fff!important}
    .dm-toc__body .knowledge-tag.orange.active{background:#ea580c!important;color:#fff!important}
    .dm-toc__body .knowledge-tag.cyan.active{background:#0891b2!important;color:#fff!important}
    .dm-toc__body .knowledge-tag.pink.active{background:#db2777!important;color:#fff!important}
    body.dark .dm-toc{background:var(--bg-card)!important}
    body.dark .dm-toc__body a.knowledge-card{background:rgba(30,41,59,.9)!important}
    .dm-content__body h1,.dm-content__body h2,.dm-content__body h3,.dm-content__body h4{scroll-margin-top:120px!important}
    .dm-content__body .knowledge-heading-highlight{color:#2563eb!important;background:rgba(59,130,246,.1)!important;border-radius:10px!important;padding:8px 12px!important;margin-left:-12px!important;box-shadow:0 0 0 1px rgba(59,130,246,.18)!important;transition:color .25s ease,background .25s ease,box-shadow .25s ease!important}
    .dm-content__body .search-highlight{background:#fde68a!important;color:#172033!important;border-radius:4px!important;padding:0 3px!important;box-shadow:0 1px 0 rgba(180,83,9,.28)!important}
    body.dark .dm-content__body .knowledge-heading-highlight{color:#93c5fd!important;background:rgba(59,130,246,.18)!important;box-shadow:0 0 0 1px rgba(147,197,253,.22)!important}
    body.dark .dm-content__body .search-highlight{background:#f59e0b!important;color:#111827!important;box-shadow:none!important}
    @media(min-width:1001px){
      .main-wrapper::before{content:''!important;position:fixed!important;top:0!important;left:calc(var(--sidebar-width) + 40px)!important;right:0!important;height:22px!important;background:#fff!important;z-index:20!important;pointer-events:none!important}
      body.dark .main-wrapper::before{background:#0b1120!important}
    }
    /* ===== 左侧目录：参考章节目录卡片 ===== */
    .dm-sidebar{background:#fff!important;padding:18px!important;border:0!important;border-radius:18px!important;box-shadow:0 8px 25px rgba(0,0,0,.06)!important;backdrop-filter:none!important}
    .dm-sidebar::before{content:'文档目录'!important;display:block!important;font-size:20px!important;font-weight:700!important;color:var(--text-primary)!important;padding:0 0 15px!important;margin:0 0 2px!important;border-bottom:1px solid #eee!important}
    .dm-nav-tree{padding:0!important;margin:0!important}
    .dm-nav-tree__item{margin:0!important}
    .dm-nav-tree__toggle{display:flex!important;align-items:center!important;gap:4px!important;padding:14px 5px!important;border-radius:10px!important;font-size:16px!important;font-weight:700!important;color:var(--text-primary)!important;background:transparent!important}
    .dm-nav-tree__toggle::before{content:''!important;width:7px!important;height:7px!important;flex:0 0 7px!important;margin:0 7px 0 1px!important;border-right:1.5px solid #64748b!important;border-bottom:1.5px solid #64748b!important;transform:rotate(-45deg)!important;transition:transform .2s ease,border-color .2s ease!important}
    details[open]>.dm-nav-tree__toggle::before{content:''!important;transform:rotate(45deg)!important;border-color:#2563eb!important}
    .dm-nav-tree__toggle:hover{background:#eff6ff!important}
    .dm-nav-tree__nested{margin:0 0 8px 10px!important;padding:0 0 0 14px!important;border-left:2px solid #e0e7ff!important}
    .dm-nav-tree__link{display:block!important;padding:9px!important;margin:1px 0!important;border-radius:8px!important;font-size:14px!important;line-height:1.4!important;color:#64748b!important}
    .dm-nav-tree__link:hover{background:#eff6ff!important;color:#2563eb!important}
    .dm-nav-tree__link--active{background:#eff6ff!important;color:#2563eb!important;font-weight:700!important;border-left:3px solid #2563eb!important;padding-left:6px!important}
    body.dark .dm-sidebar{background:var(--bg-card)!important;box-shadow:var(--shadow-md)!important}
    body.dark .dm-sidebar::before{border-color:var(--glass-border)!important}
    body.dark .dm-nav-tree__nested{border-color:rgba(96,165,250,.3)!important}
    @media(max-width:1000px){
      .mobile-header{background:#fff!important;border-bottom:1px solid rgba(148,163,184,.16)!important;box-shadow:0 4px 14px rgba(15,23,42,.06)!important}
      body.dark .mobile-header{background:#0b1120!important;border-bottom-color:rgba(148,163,184,.18)!important;box-shadow:0 4px 14px rgba(0,0,0,.2)!important}
      .dm-content{background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important;padding:20px 18px!important}
      .dm-toc{padding:20px!important;background:var(--bg-card)!important;border:1px solid var(--glass-border)!important;border-radius:18px!important;box-shadow:var(--shadow-lg)!important}
      .dm-sidebar{padding:18px!important}
      .dm-content__header{display:flex!important;align-items:center!important;justify-content:flex-end!important;width:100%!important;margin:0 0 18px!important;padding:0!important;background:transparent!important;border:0!important;box-shadow:none!important;position:static!important}
      .dm-content__controls{display:flex!important;gap:10px!important;width:auto!important}
      .dm-content__controls button[data-mobile-label]{display:inline-flex!important;align-items:center!important;justify-content:center!important;gap:7px!important;min-width:82px!important;height:36px!important;padding:0 14px!important;border:1px solid rgba(59,130,246,.18)!important;border-radius:12px!important;background:rgba(255,255,255,.88)!important;color:#334155!important;box-shadow:0 4px 12px rgba(15,23,42,.05)!important;font-size:13px!important;font-weight:600!important}
      .dm-content__controls button[data-mobile-label]::before{font-size:14px!important;color:#2563eb!important}
      .dm-content__controls button[data-mobile-label="目录"]::before{content:'☰'!important}
      .dm-content__controls button[data-mobile-label="知识点"]::before{content:'✦'!important}
      body.dark .dm-content__controls button[data-mobile-label]{background:rgba(30,41,59,.9)!important;border-color:rgba(96,165,250,.25)!important;color:#e2e8f0!important}
    }
    @media(min-width:1001px){
      .dm-sidebar{background:transparent!important;border:0!important;box-shadow:none!important;padding:18px 0!important;backdrop-filter:none!important}
      body.dark .dm-sidebar{background:transparent!important;border:0!important;box-shadow:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
      .dm-sidebar::before{color:#334155!important;border-color:rgba(100,116,139,.22)!important}
      body.dark .dm-sidebar::before{color:#cbd5e1!important;border-color:rgba(148,163,184,.22)!important}
      .dm-nav-tree__toggle{color:#475569!important}
      .dm-nav-tree__toggle:hover{background:rgba(148,163,184,.12)!important;color:#1e293b!important}
      .dm-nav-tree__nested{border-color:#cbd5e1!important}
      .dm-nav-tree__link{color:#64748b!important}
      .dm-nav-tree__link:hover{background:rgba(99,102,241,.08)!important;color:#4f46e5!important}
      .dm-nav-tree__link--active{background:#eef2ff!important;color:#4338ca!important;border-left-color:#6366f1!important}
    }
    @media(min-width:1001px) and (max-width:1280px){
      .dm-main{grid-template-columns:minmax(0,1fr)!important}
      .dm-toc{display:none!important}
    }

    .doc-knowledge-toggle,.doc-knowledge-backdrop{display:none}
    @media(min-width:1001px) and (max-width:1280px){
      .desktop-actions .doc-knowledge-toggle{position:static;z-index:auto;display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;border:0;border-radius:22px;background:var(--accent-light);color:var(--accent);font-size:13px;font-weight:700;cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease}
      .desktop-actions .doc-knowledge-toggle:hover{transform:translateY(-1px);background:var(--accent);color:#fff}
      .doc-knowledge-toggle i{font-size:13px}
      .doc-knowledge-backdrop.doc-knowledge-backdrop--open{display:block;position:fixed;inset:0;z-index:200;background:rgba(15,23,42,.28);opacity:1}
      .dm-toc.doc-knowledge-panel--open{display:block!important;position:fixed!important;z-index:201!important;right:24px!important;top:82px!important;bottom:auto!important;left:auto!important;width:min(360px,calc(100vw - 48px))!important;max-height:calc(100vh - 106px)!important;overflow-y:auto!important;margin:0!important;padding:20px!important;background:var(--bg-card)!important;border:1px solid var(--glass-border)!important;border-radius:18px!important;box-shadow:var(--shadow-lg)!important;backdrop-filter:blur(16px)!important}
      body.dark .desktop-actions .doc-knowledge-toggle{background:rgba(96,165,250,.16);color:#93c5fd}
    }

    @media(max-width:1000px){
      body.dark .dm-sidebar{background:#0f172a!important;border-right:1px solid rgba(148,163,184,.2)!important;box-shadow:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
      body.dark .dm-sidebar::before{color:#e2e8f0!important;border-bottom-color:rgba(148,163,184,.2)!important}
      body.dark .dm-sidebar .dm-nav-tree__toggle{color:#f1f5f9!important}
      body.dark .dm-sidebar .dm-nav-tree__link{color:#cbd5e1!important}
      body.dark .dm-sidebar .dm-nav-tree__link:hover,
      body.dark .dm-sidebar .dm-nav-tree__toggle:hover{background:rgba(96,165,250,.14)!important;color:#93c5fd!important}
      body.dark .dm-sidebar .dm-nav-tree__link--active{background:rgba(96,165,250,.18)!important;color:#93c5fd!important;border-left-color:#60a5fa!important}
    }
.doc-page .desktop-actions-search,
.doc-page #desktopSearchBtn {
    display: flex !important;
}