:root{color-scheme:light}
body{min-width:0}
button,select,input{font:inherit}
button{cursor:pointer}
.v2-topbar form{margin:0}
.v2-user-menu__item{width:100%;border:0;background:transparent;text-align:left}
.v2-avatar img,.v2-user-card__avatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
.v2-page-head{padding-top:42px}
.v2-page-head h1{font-size:30px}
.v2-page-head p{color:var(--v2-ink-muted)}
.v2-empty,.v2-loading,.v2-error{text-align:center;color:var(--v2-ink-muted);padding:52px 24px}
.v2-error{min-height:55vh;display:grid;place-content:center;gap:16px}
.v2-error h1{font-size:28px;color:var(--v2-ink)}
.v2-covers .cov{position:relative}
.v2-covers .cov img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.v2-covers__empty{grid-column:1/-1;width:100%}
.v2-hmap{grid-template-columns:36px repeat(24,minmax(5px,1fr));gap:2px}
.v2-hmap__cell{height:15px}
.v2-hmap__label{line-height:15px}
.v2-panel .v2-hmap{padding:14px}
.v2-panel .v2-hmap__label,.v2-panel .v2-hmap__axis,.v2-panel .v2-hmap__legend{color:var(--v2-ink-muted)}
.v2-panel .v2-hmap__cell{background:rgba(0,64,152,.08)}
.v2-panel .v2-hmap__cell.l1{background:rgba(0,64,152,.22)}
.v2-panel .v2-hmap__cell.l2{background:rgba(0,64,152,.45)}
.v2-panel .v2-hmap__cell.l3{background:rgba(0,64,152,.70)}
.v2-panel .v2-hmap__cell.l4{background:var(--v2-primary)}
.v2-toolbar select,.v2-collect-toolbar select{height:36px;border:1px solid var(--v2-hairline);border-radius:999px;padding:0 34px 0 14px;background:#fff}
.v2-toolbar .v2-btn-line{width:auto;padding-inline:22px}
.v2-sort-toggle a{padding:5px 14px;font-size:12px;font-weight:600;color:var(--v2-ink-muted)}
.v2-sort-toggle a.is-active{background:var(--v2-primary);color:var(--v2-on-primary)}
.v2-sort-toggle a[hidden]{display:none}
.v2-chips .v2-chip[data-kf-source-type][hidden]{display:none}
.v2-hero-heat__empty{min-height:205px;display:grid;place-items:center;color:rgba(255,255,255,.7);font-size:13px}
.v2-activity-meetings{display:grid;gap:10px;margin-bottom:12px}
.v2-activity-meeting{display:grid;grid-template-columns:minmax(0,1fr) 184px;min-height:112px;position:relative;overflow:hidden;background:var(--v2-surface);border:1px solid rgba(0,64,152,.12);border-radius:var(--v2-r-lg);box-shadow:var(--v2-shadow-sm);transition:border-color .2s,box-shadow .2s,transform .2s}
.v2-activity-meeting:hover{border-color:rgba(0,64,152,.26);box-shadow:0 10px 24px rgba(0,64,152,.11);transform:translateY(-1px)}
.v2-activity-meeting>img,.v2-activity-meeting>.v2-activity-meeting__fallback{grid-column:1/-1}
.v2-activity-meeting__visual{display:flex;align-items:center;min-width:0;padding:12px 20px;background:#fff}
.v2-activity-meeting img{display:block;width:100%;height:86px;object-fit:contain;background:#fff}
.v2-activity-meeting__details{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:18px 20px;color:#fff;background:linear-gradient(145deg,#003b83 0%,#0867b6 100%)}
.v2-activity-meeting__details strong{margin-top:5px;font-size:17px;line-height:1.3}
.v2-activity-meeting__eyebrow{font-size:10px;font-weight:700;letter-spacing:1.2px;color:rgba(255,255,255,.68)}
.v2-activity-meeting__cta{display:flex;align-items:center;gap:7px;margin-top:13px;font-size:12px;font-weight:700;color:#fff}
.v2-activity-meeting__cta span{transition:transform .2s}
.v2-activity-meeting:hover .v2-activity-meeting__cta span{transform:translateX(3px)}
.v2-activity-meeting__fallback{width:100%;height:86px;display:grid;place-items:center;padding:10px 24px;text-align:center;color:#fff;background:linear-gradient(135deg,#225b89,#8fc6d8);border-radius:9px;font-size:14px;font-weight:700;line-height:1.35}
.v2-activity-meeting__fallback[hidden]{display:none}
.v2-space-hero{padding:44px 0 36px;background:linear-gradient(120deg,#00377f,#0b65bd);color:#fff}
.v2-space-hero--np{background:linear-gradient(120deg,#41156f,#7c3db8)}
.v2-space-hero h1{font-size:34px;margin:8px 0 10px}
.v2-space-hero p{max-width:760px;color:rgba(255,255,255,.78);line-height:1.7}
.v2-space-hero__code{font-size:12px;letter-spacing:1.4px;color:rgba(255,255,255,.7)}
.v2-space-hero__stats{display:flex;gap:28px;margin-top:22px;color:rgba(255,255,255,.78)}
.v2-space-hero__stats b{color:#fff;font-size:20px}
.v2-space-special-banner{padding-top:18px}
.v2-space-special-banner img{display:block;width:100%;height:auto;border-radius:var(--v2-r-lg);box-shadow:var(--v2-shadow-sm)}
.v2-space-filter{display:grid;gap:14px;padding:18px 20px}
.v2-space-filter__chips{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-width:0;overflow:visible}
.v2-space-filter__chips .v2-chip{flex:0 0 auto;border:1px solid var(--v2-hairline);background:#fff}
.v2-space-filter__chips .v2-chip.is-active{border-color:var(--v2-primary);background:var(--v2-primary);color:#fff}
/* 勿加 z-index：hero 创建 stacking context 会把下拉菜单（z-index:200）压到 sticky tab 条（z-index:90）之下 */
.v2-space-detail-hero{overflow:visible}
.v2-activity-hero{overflow:visible}
.v2-space-switcher{position:relative;display:table;margin-bottom:18px}
.v2-space-switcher>.v2-hero__kb{margin-bottom:0;list-style:none;cursor:pointer;transition:background .16s,border-color .16s}
.v2-space-switcher>.v2-hero__kb::-webkit-details-marker{display:none}
.v2-space-switcher>.v2-hero__kb:hover,.v2-space-switcher[open]>.v2-hero__kb{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.38)}
.v2-space-switcher__arrow{width:7px;height:7px;margin-left:3px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .16s}
.v2-space-switcher[open] .v2-space-switcher__arrow{transform:translateY(2px) rotate(225deg)}
.v2-space-switcher__menu{position:absolute;top:calc(100% + 8px);left:0;z-index:200;width:330px;max-height:300px;overflow-y:auto;padding:8px;background:#fff;border:1px solid rgba(0,64,152,.16);border-radius:14px;box-shadow:0 18px 50px rgba(5,30,70,.24);color:var(--v2-ink)}
.v2-space-switcher__item{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:10px 12px;border:0;background:none;font:inherit;text-align:left;cursor:pointer;border-radius:9px;color:var(--v2-ink);transition:background .14s,color .14s}
.v2-space-switcher__item:hover,.v2-space-switcher__item:focus-visible{background:var(--v2-primary-soft);color:var(--v2-primary)}
.v2-space-switcher__item.is-active{background:#f5f8fc;color:var(--v2-primary)}
.v2-space-switcher__item>span{display:grid;gap:2px;min-width:0}
.v2-space-switcher__item b{font-size:12px;line-height:1.3}
.v2-space-switcher__item small{overflow:hidden;color:var(--v2-ink-muted);font-size:13px;line-height:1.4;text-overflow:ellipsis;white-space:nowrap}
.v2-space-switcher__item em{display:none;font-size:11px;font-style:normal;color:var(--v2-primary)}
.v2-space-switcher__item.is-active em{display:inline}
.v2-space-switcher__all{display:block;margin-top:6px;padding:9px 12px 4px;border-top:1px solid var(--v2-hairline-soft);color:var(--v2-primary);font-size:12px;text-align:center}
.v2-space-switcher__menu::-webkit-scrollbar{width:6px}
.v2-space-switcher__menu::-webkit-scrollbar-thumb{background:rgba(0,64,152,.22);border-radius:6px}
.v2-space-switcher__menu::-webkit-scrollbar-track{background:transparent}
.v2-layout.v2-space-content-layout{grid-template-columns:minmax(0,1fr)}
.v2-layout.v2-layout--collections{grid-template-columns:240px minmax(0,1fr)}
.v2-space-filter__search,.v2-space-filter__ai{display:flex;align-items:center;gap:10px}
.v2-space-filter__search input,.v2-space-filter__ai input,.v2-space-filter select{height:40px;border:1px solid var(--v2-hairline);border-radius:999px;background:#fff;padding:0 15px;outline:none}
.v2-space-filter__search input,.v2-space-filter__ai input{flex:1;min-width:180px}
.v2-space-filter select{max-width:260px;padding-right:34px}
.v2-space-filter__search input:focus,.v2-space-filter__ai input:focus,.v2-space-filter select:focus{border-color:var(--v2-primary);box-shadow:0 0 0 3px rgba(0,64,152,.10)}
.v2-space-filter__search .v2-btn-primary,.v2-space-filter__ai .v2-btn-primary{width:auto;flex:0 0 auto;padding-inline:20px}
.v2-space-filter__kb-single{display:inline-flex;align-items:center;min-height:40px;max-width:260px;padding:0 15px;border:1px solid var(--v2-hairline);border-radius:999px;background:#fff;color:var(--v2-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.v2-space-filter__category{display:flex;align-items:center;gap:14px;padding-top:12px;border-top:1px solid var(--v2-hairline-soft)}
.v2-space-filter__category>.v2-space-filter__chips{margin-right:auto}
.v2-space-filter__category>.v2-btn-ghost{width:auto;padding-inline:16px;white-space:nowrap}
.v2-space-filter__message{margin:0;color:var(--v2-ink-muted);font-size:13px}
/* 知识工具栏（对齐动态页 v2-toolbar）：下拉/单库名/AI 检索框/返回按钮的行内尺寸 */
.v2-toolbar select{height:34px;max-width:260px;border:1px solid var(--v2-hairline);border-radius:var(--v2-r-full);background:#fff;padding:0 15px;outline:none;font-size:13px;color:var(--v2-ink)}
.v2-toolbar select:focus{border-color:var(--v2-primary);box-shadow:0 0 0 3px var(--v2-primary-soft)}
.v2-toolbar .v2-kf-search--wide{width:320px}
.v2-toolbar .v2-space-filter__kb-single{min-height:34px;font-size:13px}
.v2-toolbar .v2-btn-ghost{height:34px;padding:0 16px;font-size:13px;white-space:nowrap}
.v2-toolbar .v2-space-filter__message{margin-top:10px}
/* 知识工具栏的检索行在表单内、来源 chips 在表单外，__row 相邻选择器跨不过表单边界，行距在此补偿 */
.v2-toolbar form+.v2-toolbar__row{margin-top:var(--v2-sp-sm)}
/* 知识工具栏（方案 B）：关键词框占满剩余宽度；「标题|AI 语义」检索范围分段控件；排序/返回分类行尾对齐 */
.v2-toolbar .v2-kf-search--grow{flex:1 1 auto;min-width:220px}
.v2-kf-seg{display:inline-flex;border:1px solid var(--v2-hairline);border-radius:var(--v2-r-full);overflow:hidden;background:#fff;flex:none}
.v2-kf-seg button{border:none;background:none;font-size:13px;color:var(--v2-ink-muted);padding:0 16px;height:34px;line-height:34px;cursor:pointer;transition:background .15s,color .15s}
.v2-kf-seg button+button{border-left:1px solid var(--v2-hairline)}
.v2-kf-seg button:hover{color:var(--v2-primary)}
.v2-kf-seg button.is-on{background:var(--v2-primary);color:var(--v2-on-primary);font-weight:600}
.v2-toolbar-row-end{margin-left:auto;display:flex;align-items:center;gap:14px}
.v2-back{display:inline-flex;margin-bottom:18px;color:inherit;opacity:.8}
.v2-back:hover{opacity:1}
.v2-question-panel{padding:44px;text-align:center}
.v2-question-panel h2{font-size:24px;margin-bottom:10px}
.v2-question-panel p{color:var(--v2-ink-muted);margin-bottom:24px}
.v2-detail-shell{padding-top:34px;padding-bottom:50px}
.v2-detail-card{padding:36px 42px}
.v2-detail-card h1{font-size:30px;line-height:1.42;margin:16px 0 10px}
.v2-detail-card h2{font-size:19px;line-height:1.6;color:#41506a;font-weight:500}
.v2-resource-detail .v2-detail-kicker{align-items:center}
.v2-resource-detail .v2-detail-kicker span+span{padding-left:14px;border-left:1px solid var(--v2-hairline)}
.v2-resource-preview{display:block;width:100%;height:560px;margin-top:24px;border:1px solid var(--v2-hairline);border-radius:12px;background:#f8fafc}
.v2-resource-preview--pdf{height:720px}
.v2-resource-preview--office{height:760px}
.v2-resource-detail .v2-detail-actions{flex-wrap:wrap}
.v2-resource-detail .v2-detail-actions>a{flex:0 0 auto;width:auto;white-space:nowrap}
.v2-resource-original-image{display:block;margin-top:24px;padding:20px;background:var(--v2-canvas);border-radius:var(--v2-r-md)}
.v2-resource-original-image img{max-width:100%;height:auto;margin:auto}
.v2-resource-original-audio{display:block;width:100%;margin-top:24px}
.v2-resource-original-video{display:block;width:100%;max-height:720px;margin-top:24px;background:var(--v2-ink);border-radius:var(--v2-r-md)}
.v2-detail-kicker,.v2-detail-authors{display:flex;gap:14px;color:var(--v2-ink-muted);font-size:13px}
.v2-detail-lead{font-size:16px;line-height:1.8;color:#34435c;margin-top:20px}
.v2-detail-actions{display:flex;gap:12px;margin-top:24px}
.v2-detail-content{padding:38px 44px;margin-top:18px;line-height:1.85;font-size:16px}
.v2-detail-content h2{font-size:21px;margin:28px 0 12px}
.v2-detail-content img,.v2-rich img{max-width:100%;height:auto}
.v2-detail-abstract{padding:16px 0;border-bottom:1px solid var(--v2-hairline-soft)}
.v2-detail-copyright{color:var(--v2-ink-muted);font-size:12px;margin-top:30px}
/* ---- 专区 DeepFiltering 相关性判定框（旧版 FrameArticle 黑底胶囊风：#333底/20px圆角/橙色高亮/白底结论胶囊） ---- */
.v2-deepfilter{margin:var(--v2-sp-lg) var(--v2-sp-xl) 0;padding:12px 20px;background:#333333;border-radius:20px}
.v2-deepfilter__q{margin:0;font-size:13px;line-height:1.6;color:#cccccc}
.v2-deepfilter__q b{color:#ff6a00;font-weight:700}
.v2-deepfilter__a{display:block;margin-top:7px}
.v2-deepfilter__badge{display:inline-flex;align-items:center;gap:4px;vertical-align:middle;height:21px;padding:0 8px;margin-right:7px;border-radius:6px;background:#ffffff;font-size:12px;font-weight:700}
.v2-deepfilter__badge svg{width:14px;height:14px;flex:none}
.v2-deepfilter__badge--yes{color:#70ad47}
.v2-deepfilter__badge--no{color:#ff6a00}
.v2-deepfilter__badge--pending{color:#999999}
.v2-deepfilter__badge--undecided{color:#3f7fc1}
.v2-deepfilter__badge--error{color:#ff4d4f}
.v2-deepfilter__reason{display:inline;margin:0;font-size:13px;line-height:1.9;color:#eeeeee;overflow-wrap:anywhere}
/* ---- 详情正文章节（与移动端 _ArticleDetailBody 结构对齐） ---- */
.v2-doc-body .v2-detail-lead-para{margin-bottom:20px;padding:14px 18px;background:var(--v2-primary-soft);border-left:3px solid var(--v2-primary);border-radius:0 var(--v2-r-md) var(--v2-r-md) 0;color:#34435c;font-size:15px;line-height:1.8}
.v2-detail-section{padding:22px 0;border-bottom:1px solid var(--v2-hairline-soft)}
.v2-detail-section:last-of-type{border-bottom:none}
.v2-detail-section__header{position:relative;display:flex;align-items:baseline;gap:10px;margin-bottom:16px;padding:0 0 12px 14px;border-bottom:1px solid var(--v2-hairline-soft)}
.v2-detail-section__header::before{content:"";position:absolute;left:0;top:3px;width:4px;height:18px;border-radius:var(--v2-r-full);background:linear-gradient(180deg,var(--v2-primary) 0%,#2b6188 100%)}
.v2-detail-section__title-cn{font-size:19px;font-weight:700;color:#12335c;letter-spacing:.02em;line-height:1.25}
.v2-detail-section__title-en{font-size:12px;color:#7a8ca6;font-weight:600;letter-spacing:.08em;text-transform:uppercase;line-height:1.2}
.v2-detail-section p{margin:0 0 12px;font-size:15px;line-height:1.85;color:#34435c;overflow-wrap:anywhere}
.v2-detail-section p:last-child{margin-bottom:0}
.v2-detail-abstract-para{margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--v2-hairline-soft)}
.v2-detail-abstract-para:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}
.v2-detail-abstract-en{color:var(--v2-ink-muted);font-size:14px;line-height:1.75}
.v2-detail-abstract-cn{color:var(--v2-ink);font-size:15px;line-height:1.85}
.v2-doc-body .detail-faq-item{padding:14px 16px;border:1px solid rgba(0,64,152,.09);border-radius:var(--v2-r-md);background:linear-gradient(180deg,#fbfdff 0%,#f5f9ff 100%);box-shadow:0 6px 18px rgba(18,51,92,.04)}
.v2-doc-body .detail-faq-item + .detail-faq-item{margin-top:12px}
.v2-doc-body .detail-faq-question{position:relative;padding-left:28px;color:#12335c;font-size:15px;font-weight:700;line-height:1.55}
.v2-doc-body .detail-faq-question::before{content:"Q";position:absolute;left:0;top:1px;width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--v2-r-full);background:rgba(47,105,165,.12);color:#2f69a5;font-size:11px;font-weight:800;line-height:1}
.v2-doc-body .detail-faq-answer{margin-top:10px}
.v2-doc-body .detail-faq-answer > :last-child{margin-bottom:0}
.v2-doc-body .detail-richtext__attribution{display:block;width:100%;margin-top:10px;text-align:right;color:#94a3b8;font-size:12px;letter-spacing:.01em}
.v2-doc-body .detail-richtext__attribution b{color:#2f69a5;font-weight:700}
.v2-doc-body .v2-detail-reference{color:var(--v2-ink-muted);font-size:12px;line-height:1.6}
.v2-detail-mindmap-shell{position:relative;width:100%;min-height:240px;height:min(46vh,420px);overflow:hidden;border:1px solid rgba(0,64,152,.10);border-radius:var(--v2-r-md);background:#f8faff}
.v2-detail-mindmap-svg{display:block;width:100%;height:100%}
.v2-detail-mindmap-error{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--v2-ink-muted)}
.v2-detail-mindmap-reset{display:none;position:absolute;bottom:12px;right:12px;width:34px;height:34px;align-items:center;justify-content:center;background:rgba(255,255,255,.92);border:1px solid rgba(0,64,152,.14);border-radius:var(--v2-r-md);color:var(--v2-primary);cursor:pointer;backdrop-filter:blur(4px);padding:0}
.v2-detail-mindmap-reset:hover{background:var(--v2-primary-soft)}
.v2-detail-mindmap-reset svg{width:16px;height:16px}
.v2-lock-icon{width:15px;height:15px;flex:none;color:var(--v2-success)}
.v2-lock-icon--locked{color:var(--v2-warning)}
.v2-detail-collect-side{height:32px;padding:0 14px;font-size:12px}
.v2-detail-facts{padding:8px 18px 14px}
.v2-detail-facts__journal{display:flex;align-items:center;gap:12px;padding:10px 0 6px}
.v2-detail-facts__cover{width:38px;height:52px;object-fit:cover;border-radius:var(--v2-r-sm);box-shadow:var(--v2-shadow-sm);flex:none;background:#f8fafc}
.v2-detail-facts__journal-text{display:flex;flex-direction:column;align-items:flex-start;gap:5px;min-width:0}
.v2-detail-facts__journal-name{font-weight:600;color:var(--v2-ink);font-size:13px;line-height:1.35;overflow-wrap:anywhere}
.v2-detail-facts p{display:grid;grid-template-columns:70px minmax(0,1fr);gap:10px;padding:9px 0;border-bottom:1px solid var(--v2-hairline-soft);font-size:13px}
.v2-detail-facts p:last-child{border-bottom:0}
.v2-detail-facts span{color:var(--v2-ink-muted)}
.v2-detail-facts .v2-if-badge{color:var(--v2-on-primary)}
.v2-detail-facts b{font-weight:600;line-height:1.45}
.v2-collect-toolbar{display:flex;gap:12px;align-items:center;margin:20px 0}
.v2-collect-toolbar .v2-kf-search{width:420px}
.v2-collect-toolbar>.v2-btn-line{width:auto;padding-inline:24px}
.v2-collect-list{display:grid;gap:12px}
.v2-collect-row{display:flex;align-items:center;gap:20px;padding:22px 24px}
.v2-collect-row__body{flex:1;min-width:0}
.v2-collect-row>.v2-btn-line{width:auto;flex:0 0 auto;padding-inline:16px}
.v2-collect-row__body h2{font-size:17px;margin:5px 0}
.v2-collect-row__body p{font-size:13px;color:var(--v2-ink-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v2-collect-row__type{font-size:11px;color:var(--v2-primary);font-weight:700}
.v2-filter-panel{padding:14px 14px 4px}
.v2-collect--managed{padding:20px 22px}
.v2-collect__body{display:block}
.v2-collect--managed .v2-collect__head{margin-bottom:8px}
.v2-collect--managed .v2-collect__foot{gap:12px;margin-top:12px;padding-top:10px;border-top:1px solid var(--v2-hairline-soft);flex-wrap:wrap}
.v2-collect__actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.v2-collect--managed .v2-collect__type{margin-left:0;white-space:nowrap}
.v2-collect__remove{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 9px;border:1px solid transparent;border-radius:var(--v2-r-full);color:var(--v2-ink-muted);font-size:12px;font-weight:600;transition:.16s}
.v2-collect__remove .v2-ico{width:14px;height:14px}
.v2-collect__remove:hover{border-color:rgba(194,65,12,.2);background:rgba(194,65,12,.06);color:var(--v2-danger)}
.v2-collect__remove:disabled{opacity:.55;cursor:default}
.v2-space-card>button{margin-top:8px}
.v2-space-card>a{display:flex;flex-direction:column;gap:6px}
.v2-space-head--np{border-top:4px solid #7044a5}
.v2-special-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.v2-special-card{display:flex;flex-direction:column;gap:10px;padding:24px;min-height:190px}
.v2-special-card__eyebrow{font-size:12px;color:var(--v2-primary);font-weight:700}
.v2-special-card h3{font-size:18px;line-height:1.45}
.v2-special-card p{color:var(--v2-ink-muted);font-size:14px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.v2-special-card blockquote{font-size:13px;color:#5b6475;border-left:3px solid var(--v2-primary);padding-left:12px}
.v2-anticoag{padding:22px 24px;display:grid;gap:10px}
.v2-anticoag__meta{font-size:12px;color:var(--v2-primary);font-weight:700}
.v2-anticoag h3{font-size:17px;line-height:1.5}
.v2-anticoag p{color:var(--v2-ink-muted);font-size:14px;line-height:1.7}
.v2-anticoag>.v2-btn-line{width:auto;justify-self:start;padding-inline:18px}
a.v2-anticoag{color:inherit;text-decoration:none}
.v2-anticoag-detail__summary{margin-top:16px;color:var(--v2-ink-muted);font-size:14px;line-height:1.8;background:#f8fafc;border-left:3px solid var(--v2-primary);padding:12px 16px;border-radius:6px}
.v2-anticoag-detail__body{margin-top:16px;padding-bottom:24px}
.v2-static-pages{display:grid;gap:18px;margin-top:18px}
.v2-static-pages img{display:block;width:100%;height:auto}
.v2-special-back{display:flex;justify-content:center}
.v2-member-card{min-height:190px}
.v2-member-card--active{outline:3px solid var(--v2-primary);outline-offset:3px}
.v2-member-card--basic{background:#fff;color:var(--v2-ink);border:1px solid var(--v2-hairline)}
.v2-member-card--basic .v2-member-card__expiry{background:var(--v2-primary-soft);border-color:rgba(0,64,152,.16);color:var(--v2-primary)}
.v2-member-card--basic .v2-member-card__desc,.v2-member-card--basic .v2-member-card__perk{color:var(--v2-ink-muted)}
.v2-member-card--basic .v2-member-card__perk .dot{background:var(--v2-primary)}
.v2-member-card--vip{background:linear-gradient(135deg,#123a6d 0%,#1f5aa8 100%)}
.v2-member-card--wide{grid-column:1/-1}
.v2-profile-quota{display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:16px;padding:18px}
.v2-profile-quota span{text-align:center;color:var(--v2-ink-muted);font-size:12px;border-right:1px solid var(--v2-hairline-soft)}
.v2-profile-quota span:last-child{border-right:0}
.v2-profile-quota b{display:block;color:var(--v2-primary);font-size:24px;line-height:1.2}
.v2-engine-card__close{border:0;background:none;color:var(--v2-danger);font-size:12px}
.v2-engine-card__close:disabled,.v2-space-card button:disabled{opacity:.45;cursor:not-allowed}
.v2-dialog{width:min(860px,calc(100vw - 64px));max-height:84vh;margin:auto;border:0;border-radius:20px;padding:0;box-shadow:0 24px 80px rgba(10,30,64,.28)}
.v2-dialog::backdrop{background:rgba(8,22,45,.46);backdrop-filter:blur(3px)}
.v2-dialog__head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--v2-hairline)}
.v2-dialog__head h2{font-size:20px}
.v2-dialog__head button{width:40px;height:40px;display:grid;place-items:center;border:0;border-radius:12px;background:none;font-size:26px;line-height:1;color:var(--v2-ink-muted);transition:.16s}
.v2-dialog__head button:hover{background:var(--v2-primary-soft);color:var(--v2-primary)}
.v2-dialog__body{padding:16px 28px 28px;max-height:calc(84vh - 72px);overflow:auto}
.v2-dialog-row{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--v2-hairline-soft)}
.v2-dialog-row>span{display:grid;gap:3px;flex:1;min-width:0}
.v2-dialog-row small{color:var(--v2-ink-muted)}
.v2-dialog-row>.v2-btn-line{width:auto;min-width:88px;flex:0 0 auto;padding-inline:20px}
.v2-dialog-chips{display:flex;flex-wrap:wrap;gap:8px;padding:8px 0 14px;overflow:visible}
.v2-dialog-chips .v2-chip{flex:0 0 auto;border:1px solid var(--v2-hairline);background:#fff}
.v2-dialog-chips .v2-chip.is-active{border-color:var(--v2-primary);background:var(--v2-primary);color:#fff}
.v2-dialog-search{display:flex;align-items:center;gap:12px;padding:0 0 8px;color:var(--v2-ink-muted);font-size:13px}
.v2-dialog-search input{flex:1;height:40px;border:1px solid var(--v2-hairline);border-radius:999px;padding:0 16px;outline:none}
.v2-dialog-search input:focus{border-color:var(--v2-primary);box-shadow:0 0 0 3px rgba(0,64,152,.10)}
.v2-dialog-more{display:flex;justify-content:center;padding-top:18px}
.v2-dialog-more .v2-btn-ghost{min-width:150px}
.v2-footer{margin-top:60px}
.v2-shell{width:100%;max-width:var(--v2-container);margin:0 auto;padding:0 var(--v2-sp-xl) var(--v2-sp-xl)}
.v2-identity-sync-warning{margin:0 0 16px;padding:12px 14px;border:1px solid #f3c879;border-radius:10px;background:#fff8e8;color:#7a4a00;font-size:14px;line-height:1.5}
.v2-main>.v2-card,.v2-main>div>.v2-card,#activity-feed>.v2-card,#space-feed>.v2-card{margin-bottom:12px}
.v2-meeting-card__media img{width:100%;height:100%;object-fit:contain;background:#fff}
.v2-article__cover img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
.v2-meeting-card__header,.v2-meeting-card__footer{padding-left:18px;padding-right:18px}
@media(max-width:1279px){
  .v2-container{width:calc(100% - 40px)}
  .v2-hero__inner{grid-template-columns:minmax(0,1fr) 470px}
  .v2-layout{grid-template-columns:minmax(0,1fr) 300px}
  .v2-layout.v2-layout--collections{grid-template-columns:220px minmax(0,1fr)}
  .v2-space-filter__category{flex-wrap:wrap}
  .v2-qa-library-grid{grid-template-columns:1fr}
}

@media(max-width:680px){
  .v2-activity-meeting{grid-template-columns:1fr;min-height:0}
  .v2-activity-meeting__visual{padding:10px 12px}
  .v2-activity-meeting img,.v2-activity-meeting__fallback{height:64px}
  .v2-activity-meeting__details{flex-direction:row;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px}
  .v2-activity-meeting__details strong{font-size:14px}
  .v2-activity-meeting__eyebrow{display:none}
  .v2-activity-meeting__details strong,.v2-activity-meeting__cta{margin-top:0}
  .v2-activity-meeting__cta{font-size:11px}
  .v2-qa-lib-row{min-height:0;padding:11px 14px}
  .v2-qa-lib-row__kb{flex:1}
  .v2-qa-lib-row__q{display:none}
}

.v2-qa-showcase{position:relative;display:flex;align-items:center;justify-content:space-between;min-height:112px;margin-bottom:16px;padding:18px 28px;overflow:hidden;border-radius:18px;color:#fff;background:linear-gradient(125deg,#002b66 0%,#0052ad 62%,#0878cf 100%);box-shadow:0 12px 28px rgba(0,64,152,.15)}
.v2-qa-showcase::before,.v2-qa-page-head::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-80px;top:-120px;background:rgba(255,255,255,.08)}
.v2-qa-showcase__copy{position:relative;z-index:1;max-width:560px}
.v2-qa-showcase__eyebrow{display:inline-flex;align-items:center;gap:6px;margin-bottom:8px;font-size:10.5px;font-weight:700;letter-spacing:1.2px;color:#bfe2ff}
.v2-qa-showcase__copy h2{max-width:500px;font-size:19px;line-height:1.35;letter-spacing:-.3px}
.v2-qa-showcase__copy p{max-width:550px;margin-top:7px;font-size:12px;line-height:1.6;color:rgba(255,255,255,.76)}
.v2-qa-showcase__mark{position:relative;z-index:1;width:60px;height:60px;display:grid;place-content:center;text-align:center;border:1px solid rgba(255,255,255,.24);border-radius:18px;background:rgba(255,255,255,.10);box-shadow:inset 0 1px rgba(255,255,255,.16);transform:rotate(4deg)}
.v2-qa-showcase__mark span{font-size:22px;font-weight:800;line-height:1}.v2-qa-showcase__mark small{margin-top:3px;font-size:8px;letter-spacing:2px;color:#bfe2ff}
.v2-qa-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
/* 知识库卡片（方案：顶条渐变卡）——hover 顶部色条展开、图标与胶囊按钮反色；::after 水印圆已弃用 */
.v2-qa-library{position:relative;display:flex;flex-direction:column;min-height:210px;padding:24px 24px 20px;overflow:hidden;border-color:rgba(0,64,152,.12);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.v2-qa-library::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#001e4d,#004faa);transform:scaleX(.22);transform-origin:left;transition:transform .25s ease}
.v2-qa-library:hover{border-color:rgba(0,64,152,.30);box-shadow:0 14px 32px rgba(0,64,152,.13);transform:translateY(-3px)}
.v2-qa-library:hover::before{transform:scaleX(1)}
.v2-qa-library__number{position:absolute;right:20px;top:16px;font-family:var(--v2-font-mono);font-size:24px;font-weight:700;letter-spacing:-1px;color:rgba(0,64,152,.12)}
.v2-qa-library__icon{width:46px;height:46px;display:grid;place-items:center;border-radius:13px;background:var(--v2-primary-soft);color:var(--v2-primary);transition:background .2s,color .2s}
.v2-qa-library:hover .v2-qa-library__icon{background:var(--v2-primary);color:#fff}
.v2-qa-library__icon .v2-ico{width:20px;height:20px}
.v2-qa-library__body{display:flex;flex-direction:column;min-width:0;margin-top:16px}
.v2-qa-library__body small{font-family:var(--v2-font-mono);font-size:10.5px;font-weight:600;letter-spacing:1.5px;color:#94a3b8;text-transform:uppercase}
.v2-qa-library__body strong{margin-top:4px;font-size:17px;line-height:1.4;color:var(--v2-ink);letter-spacing:-.2px}
.v2-qa-library__body>span{margin-top:8px;font-size:13px;line-height:1.6;color:var(--v2-ink-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v2-qa-library__enter{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;margin-top:auto;padding:8px 16px;border-radius:var(--v2-r-full);font-size:13px;font-weight:700;color:var(--v2-primary);transition:background .2s,color .2s}
.v2-qa-library__enter .v2-ico{width:14px;height:14px;transition:transform .2s}
.v2-qa-library:hover .v2-qa-library__enter{background:var(--v2-primary);color:#fff}
.v2-qa-library:hover .v2-qa-library__enter .v2-ico{transform:translateX(3px)}
.v2-qa-page-head{position:relative;display:flex;align-items:center;justify-content:space-between;min-height:260px;margin-top:32px;padding:42px 50px;overflow:hidden;border-radius:24px;color:#fff;background:linear-gradient(125deg,#002b66 0%,#0052ad 64%,#0878cf 100%);box-shadow:0 20px 48px rgba(0,64,152,.18)}
.v2-qa-page-head__copy{position:relative;z-index:1;max-width:680px}.v2-qa-page-head .v2-back-link{display:inline-flex;margin-bottom:24px;color:rgba(255,255,255,.75)}
.v2-qa-page-head .v2-eyebrow{display:block;margin-bottom:8px;color:#bfe2ff;font-size:12px;font-weight:700;letter-spacing:1.2px}.v2-qa-page-head h1{color:#fff;font-size:36px}.v2-qa-page-head p{max-width:640px;margin-top:12px;color:rgba(255,255,255,.78);line-height:1.75}
.v2-qa-page-head__visual{position:relative;z-index:1;width:150px;height:150px;display:grid;place-content:center;text-align:center;border:1px solid rgba(255,255,255,.22);border-radius:42px;background:rgba(255,255,255,.10);transform:rotate(4deg)}
.v2-qa-page-head__visual span{font-size:58px;font-weight:800;line-height:1}.v2-qa-page-head__visual small{margin-top:10px;font-size:9px;letter-spacing:2.5px;color:#bfe2ff}
.v2-qa-library-grid--page{margin-top:24px}.v2-qa-library-grid--page .v2-qa-library{min-height:230px}
/* qa tab 知识库分组小节标题（国际会议/学术专区两组共用） */
.v2-qa-section-head{display:flex;align-items:baseline;gap:10px;margin:26px 0 12px}
.v2-qa-section-head h3{font-size:15px;font-weight:700;letter-spacing:.2px;color:var(--v2-ink)}
.v2-qa-section-head span{font-size:12px;color:var(--v2-ink-muted)}
/* qa tab 知识库板块（国际会议/学术专区共用）：单列紧凑表行（库名+编码或专区名+推荐问题+提问同行） */
.v2-qa-lib-list{display:flex;flex-direction:column;border:1px solid var(--v2-hairline);border-radius:var(--v2-r-md);overflow:hidden}
.v2-qa-lib-row{display:flex;align-items:center;gap:14px;min-height:52px;padding:0 16px;background:var(--v2-surface);border-bottom:1px solid var(--v2-hairline-soft);transition:background .15s}
.v2-qa-lib-row:last-child{border-bottom:none}
.v2-qa-lib-row:hover{background:var(--v2-primary-soft)}
.v2-qa-lib-row__kb{flex:0 0 218px;min-width:0;display:flex;align-items:baseline;gap:8px}
.v2-qa-lib-row__kb strong{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--v2-ink)}
.v2-qa-lib-row__kb small{font-size:11px;color:var(--v2-ink-muted);white-space:nowrap}
.v2-qa-lib-row__q{flex:1;min-width:0;font-size:12.5px;color:var(--v2-ink-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.v2-qa-lib-row__go{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 13px;border-radius:var(--v2-r-full);font-size:12px;font-weight:700;color:var(--v2-primary);border:1px solid rgba(0,64,152,.25);transition:.18s}
.v2-qa-lib-row__go .v2-ico{width:12px;height:12px}
.v2-qa-lib-row:hover .v2-qa-lib-row__go{background:var(--v2-primary);color:#fff;border-color:var(--v2-primary)}

/* ===== PC 反馈组件：进度条 / spinner / toast / 骨架屏 / 高亮 ===== */
/* 顶部加载进度条（z-1200，高于顶栏 100 / 头像下拉 110） */
.v2-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:1200;pointer-events:none;opacity:0;transition:opacity .2s}
.v2-progress>i{display:block;height:100%;width:0;background:var(--v2-primary);box-shadow:0 0 8px rgba(0,64,152,.6)}
.v2-progress.is-loading{opacity:1}
.v2-progress.is-loading>i{animation:v2ProgressRun 1.1s cubic-bezier(.4,0,.2,1) infinite}
@keyframes v2ProgressRun{0%{width:0;transform:translateX(0)}50%{width:55%}100%{width:90%;transform:translateX(60%)}}

/* spinner（按钮内 / 行内加载，currentColor 自适应） */
.v2-ico--spin{animation:v2Spin .7s linear infinite}
@keyframes v2Spin{to{transform:rotate(360deg)}}

/* toast（fixed 右下，z-1000） */
.v2-toast-wrap{position:fixed;right:24px;bottom:24px;z-index:1000;display:flex;flex-direction:column;gap:10px;max-width:min(360px,calc(100vw - 48px));pointer-events:none}
.v2-toast{display:flex;align-items:flex-start;gap:10px;padding:13px 16px;background:var(--v2-surface);border:1px solid var(--v2-hairline);border-left:4px solid var(--v2-ink-muted);border-radius:var(--v2-r-md);box-shadow:var(--v2-shadow-lg);font-size:14px;line-height:1.5;color:var(--v2-ink);pointer-events:auto;animation:v2ToastIn .22s ease}
.v2-toast .v2-ico{width:18px;height:18px;flex:0 0 auto;margin-top:1px}
.v2-toast__text{flex:1;min-width:0;word-break:break-word}
.v2-toast--success{border-left-color:var(--v2-success)}.v2-toast--success .v2-ico{color:var(--v2-success)}
.v2-toast--error{border-left-color:var(--v2-danger)}.v2-toast--error .v2-ico{color:var(--v2-danger)}
.v2-toast--info{border-left-color:var(--v2-info)}.v2-toast--info .v2-ico{color:var(--v2-info)}
.v2-toast.is-leaving{opacity:0;transform:translateX(12px);transition:opacity .2s,transform .2s}
@keyframes v2ToastIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}

/* 骨架屏（feed 首屏占位） */
.v2-skeleton{position:relative;overflow:hidden;background:var(--v2-hairline-soft);border-radius:var(--v2-r-md)}
.v2-skeleton::after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);animation:v2Shimmer 1.4s ease-in-out infinite}
@keyframes v2Shimmer{to{transform:translateX(100%)}}
.v2-skeleton-card{padding:18px 20px;border:1px solid var(--v2-hairline-soft);border-radius:var(--v2-r-lg);background:var(--v2-surface)}
.v2-skeleton-card .v2-skeleton{height:14px;margin-bottom:10px}
.v2-skeleton-card .v2-skeleton:last-child{width:60%;margin-bottom:0}

/* 搜索关键词高亮 */
mark.v2-hl{background:var(--v2-primary-soft);color:var(--v2-primary);padding:0 2px;border-radius:3px;font-weight:600}

/* 按钮通用增强：过渡 + 按下反馈 + 禁用态 */
.v2-btn-primary,.v2-btn-ghost,.v2-btn-line{transition:background-color .18s,border-color .18s,color .18s,transform .18s,opacity .18s}
.v2-btn-primary:active,.v2-btn-ghost:active,.v2-btn-line:active{transform:translateY(1px)}
.v2-btn-primary:disabled,.v2-btn-ghost:disabled,.v2-btn-line:disabled{opacity:.6;cursor:wait;transform:none}

/* 卡片按下反馈（已有 hover，补 active）；筛选/检索面板是表单容器、详情正文是静态阅读面板，均不参与按下位移 */
.v2-card:not(.v2-space-filter):not(.v2-card--static):active,.v2-quote-card:active,.search-card:active,.v2-journal-row:active{transform:translateY(1px)}

/* 顶栏搜索框清空按钮（绝对定位在 submit 按钮左侧） */
.v2-top-ask{position:relative}
.v2-top-ask__clear{flex:none;display:grid;place-items:center;width:20px;height:20px;border:0;border-radius:50%;background:transparent;color:var(--v2-ink-muted);cursor:pointer;opacity:0;transition:opacity .15s,color .15s}
.v2-top-ask__clear:hover{color:var(--v2-ink)}
.v2-top-ask__clear .v2-ico{width:14px;height:14px}
.v2-top-ask__clear:not([hidden]){opacity:1}

/* 首页 hero 搜索框清空按钮 */
.v2-portal-search{position:relative}
/* 隐藏 type=search 原生清除 X，避免与自定义清空按钮重复（对齐顶栏 v2-top-ask） */
.v2-portal-search input::-webkit-search-cancel-button{display:none}
.v2-portal-search__clear{position:absolute;right:130px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:24px;height:24px;border:0;border-radius:50%;background:transparent;color:var(--v2-ink-muted);cursor:pointer;opacity:0;transition:opacity .15s}
.v2-portal-search__clear:hover{color:var(--v2-ink)}
.v2-portal-search__clear .v2-ico{width:16px;height:16px}
.v2-portal-search__clear:not([hidden]){opacity:1}
/* hidden 属性兜底：display:grid 会覆盖 [hidden] 的默认 display:none，需显式还原 */
.v2-top-ask__clear[hidden],.v2-portal-search__clear[hidden]{display:none}

/* 搜索空状态图标 */
.search-empty .v2-ico{width:42px;height:42px;color:rgba(0,64,152,.18);margin-bottom:14px}

/* 翻页锚点：不被 sticky 顶栏（64px）遮挡 */
.search-meta{scroll-margin-top:84px}

/* ===== 空间详情页 · 细节动效 ===== */
/* Hero 入场序列：徽章 → 标题 → 副标题 → 搜索框 → 提示词 → 热力图 依次浮现 */
.v2-space-detail-hero .v2-hero__kb,.v2-space-detail-hero .v2-hero__title,.v2-space-detail-hero .v2-hero__sub,.v2-space-detail-hero .v2-hero-ask,.v2-space-detail-hero .v2-hero__prompts,.v2-space-detail-hero .v2-hero-heat{animation:v2HeroIn .55s cubic-bezier(.22,.61,.36,1) backwards}
.v2-space-detail-hero .v2-hero__kb{animation-delay:.04s}
.v2-space-detail-hero .v2-hero__title{animation-delay:.12s}
.v2-space-detail-hero .v2-hero__sub{animation-delay:.20s}
.v2-space-detail-hero .v2-hero-ask{animation-delay:.28s}
.v2-space-detail-hero .v2-hero__prompts{animation-delay:.34s}
.v2-space-detail-hero .v2-hero-heat{animation-delay:.44s}
@keyframes v2HeroIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* Hero 背景光晕缓慢呼吸（幅度极轻，仅透明度微变） */
.v2-space-detail-hero::before{animation:v2HeroGlow 9s ease-in-out infinite}
@keyframes v2HeroGlow{0%,100%{opacity:.65}50%{opacity:1}}

/* 筛选/检索面板进场浮现 */
.v2-space-filter{animation:v2HeroIn .4s cubic-bezier(.22,.61,.36,1) .14s backwards}

/* 内容卡片 stagger 入场（JS 按序设置 animation-delay） */
#space-feed .v2-card{animation:v2FeedIn .45s cubic-bezier(.22,.61,.36,1) backwards}
@keyframes v2FeedIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* 卡片封面 hover 微放大（文章卡 / 热点卡） */
.v2-article__cover{overflow:hidden}
.v2-article__cover img,.v2-hot__cover img{transition:transform .4s ease}
.v2-article:hover .v2-article__cover img,.v2-hot:hover .v2-hot__cover img{transform:scale(1.06)}

/* 热力图单元格 hover 提亮（仅对有发布量的级别生效） */
.v2-hmap__cell.l1,.v2-hmap__cell.l2,.v2-hmap__cell.l3,.v2-hmap__cell.l4,.v2-hmap-w__cell.l1,.v2-hmap-w__cell.l2,.v2-hmap-w__cell.l3,.v2-hmap-w__cell.l4{transition:transform .15s,filter .15s}
.v2-hmap__cell.l1:hover,.v2-hmap__cell.l2:hover,.v2-hmap__cell.l3:hover,.v2-hmap__cell.l4:hover{transform:translateY(-2px);filter:brightness(1.2)}
.v2-hmap-w__cell.l1:hover,.v2-hmap-w__cell.l2:hover,.v2-hmap-w__cell.l3:hover,.v2-hmap-w__cell.l4:hover{transform:translateY(-2px);filter:brightness(1.15)}

/* 专区切换器菜单展开动画 */
.v2-space-switcher__menu{animation:v2MenuIn .18s ease backwards}
@keyframes v2MenuIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ===== 活动页右栏 · 专项知识库快捷入口（徽标 + 双层信息 + 箭头引导） ===== */
.v2-panel__head-note{margin-left:auto;font-size:11px;font-weight:400;color:var(--v2-ink-muted)}
.v2-kb-row{display:flex;align-items:center;gap:10px;padding:13px 18px;border-bottom:1px solid var(--v2-hairline-soft);transition:background .16s}
.v2-kb-row:last-child{border-bottom:none}
.v2-kb-row__name{flex:1;min-width:0;font-size:13px;font-weight:600;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .16s}
.v2-kb-row:hover .v2-kb-row__name{color:var(--v2-primary)}
.v2-kb-row__ask{flex:none;display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:var(--v2-r-full);background:var(--v2-primary-soft);color:var(--v2-primary);font-size:12px;font-weight:600;transition:background .16s,color .16s}
.v2-kb-row__ask .v2-ico{width:13px;height:13px}
.v2-kb-row:hover .v2-kb-row__ask{background:var(--v2-primary);color:var(--v2-on-primary)}
/* 侧栏「专项知识库」面板分组小标题（国际会议/学术专区）及专区行小字 */
.v2-kb-group{padding:10px 18px 4px;font-size:11px;font-weight:700;letter-spacing:.8px;color:var(--v2-ink-muted)}
.v2-kb-row__name small{margin-left:7px;font-size:11px;font-weight:400;color:var(--v2-ink-muted)}

/* 动效兜底：尊重系统「减少动态效果」偏好 */
@media (prefers-reduced-motion:reduce){
  .v2-progress.is-loading>i,.v2-ico--spin,.v2-skeleton::after,.v2-toast{animation:none!important}
  .v2-btn-primary,.v2-btn-ghost,.v2-btn-line,.v2-card,.v2-quote-card,.search-card,.v2-journal-row,.v2-toast.is-leaving,.v2-kb-row,.v2-kb-row__name,.v2-kb-row__ask,.v2-album-card,.v2-album-card__body h3,.v2-album-card::after{transition:none!important}
  .v2-space-detail-hero .v2-hero__kb,.v2-space-detail-hero .v2-hero__title,.v2-space-detail-hero .v2-hero__sub,.v2-space-detail-hero .v2-hero-ask,.v2-space-detail-hero .v2-hero__prompts,.v2-space-detail-hero .v2-hero-heat,.v2-space-filter,#space-feed .v2-card,.v2-space-switcher__menu{animation:none!important}
  .v2-space-detail-hero::before{animation:none!important}
  .v2-article__cover img,.v2-hot__cover img,.v2-album-card__cover img,.v2-hmap__cell.l1,.v2-hmap__cell.l2,.v2-hmap__cell.l3,.v2-hmap__cell.l4,.v2-hmap-w__cell.l1,.v2-hmap-w__cell.l2,.v2-hmap-w__cell.l3,.v2-hmap-w__cell.l4{transition:none!important}
}

/* ===== 受限专区用户管理 ===== */
.v2-member-hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#061d49 0%,#004098 62%,#176cc0 100%);color:#fff}
.v2-member-hero::after{content:"";position:absolute;right:-100px;top:-170px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(86,201,255,.28),transparent 68%)}
.v2-member-hero__inner{position:relative;z-index:1;max-width:var(--v2-container);min-height:228px;margin:0 auto;padding:42px var(--v2-sp-xl);display:flex;align-items:flex-end;justify-content:space-between;gap:32px}
.v2-member-back{display:inline-flex;margin-bottom:22px;color:rgba(255,255,255,.72);font-size:13px}
.v2-member-back:hover{color:#fff}
.v2-member-eyebrow{display:block;color:#78d5ff;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.v2-member-hero h1{margin:8px 0 6px;font-size:34px;letter-spacing:-.02em}
.v2-member-hero p{margin:0;color:rgba(255,255,255,.76)}
.v2-member-hero__count{flex:none;min-width:180px;padding:18px 22px;border:1px solid rgba(255,255,255,.18);border-radius:var(--v2-r-lg);background:rgba(255,255,255,.09);backdrop-filter:blur(10px)}
.v2-member-hero__count strong{display:block;font-size:32px;line-height:1}
.v2-member-hero__count span{display:block;margin-top:8px;color:rgba(255,255,255,.7);font-size:12px}
.v2-member-page{display:grid;gap:22px}
.v2-member-message{padding:13px 16px;border:1px solid;border-radius:var(--v2-r-md);font-size:14px;font-weight:600}
.v2-member-message.is-success{border-color:#a9dbc7;background:#edf9f4;color:#176746}
.v2-member-message.is-error{border-color:#efc0c0;background:#fff3f3;color:#a22f2f}
.v2-member-top-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(320px,.8fr);gap:22px;align-items:stretch}
.v2-member-invite__body{display:grid;grid-template-columns:180px minmax(0,1fr);align-items:center;gap:26px;padding:24px}
.v2-member-qr{padding:10px;border:1px solid var(--v2-hairline-soft);border-radius:18px;background:#fff;box-shadow:0 10px 30px rgba(0,40,100,.1)}
.v2-member-qr img{display:block;width:100%;aspect-ratio:1}
.v2-member-invite h2{margin:0 0 8px;font-size:20px}
.v2-member-invite p,.v2-member-scope p{margin:0;color:var(--v2-ink-muted);font-size:13px;line-height:1.7}
.v2-member-invite code{display:block;max-width:100%;margin-top:15px;padding:9px 11px;border-radius:8px;background:var(--v2-canvas);color:var(--v2-primary);font-size:11px;overflow-wrap:anywhere}
.v2-member-level-form{display:grid;gap:13px;padding:18px}
.v2-member-level-form label{display:grid;gap:6px}
.v2-member-level-form label span{color:var(--v2-ink-muted);font-size:12px;font-weight:600}
.v2-member-level-form input,.v2-member-level-form select{width:100%;height:42px;padding:0 12px;border:1px solid var(--v2-hairline);border-radius:var(--v2-r-md);background:#fff;color:var(--v2-ink);font:inherit}
.v2-member-level-form input:focus,.v2-member-level-form select:focus{outline:2px solid rgba(0,90,190,.16);border-color:var(--v2-primary)}
.v2-member-level-note{margin:0;padding:0 18px 18px;color:var(--v2-ink-muted);font-size:12px;line-height:1.6}
.v2-member-scope .v2-panel__body{display:grid;gap:8px}
.v2-member-sections{display:grid;gap:18px}
.v2-member-section .v2-panel__head small{color:var(--v2-ink-muted);font-size:12px;font-weight:400}
.v2-member-section .v2-panel__head em{margin-left:auto;display:grid;place-items:center;min-width:26px;height:26px;padding:0 7px;border-radius:13px;background:var(--v2-primary-soft);color:var(--v2-primary);font-size:12px;font-style:normal}
.v2-member-table-wrap{overflow-x:auto}
.v2-member-table{width:100%;border-collapse:collapse;font-size:13px}
.v2-member-table th{padding:10px 16px;background:#f8fafc;color:var(--v2-ink-muted);font-size:11px;font-weight:600;text-align:left;white-space:nowrap}
.v2-member-table td{padding:14px 16px;border-top:1px solid var(--v2-hairline-soft);vertical-align:middle}
.v2-member-table td:first-child strong,.v2-member-table td:first-child small{display:block}
.v2-member-table td:first-child small{margin-top:3px;color:var(--v2-ink-muted);font-size:11px}
.v2-member-level{display:inline-flex;padding:5px 9px;border-radius:999px;background:#eef4fb;color:#18568f;font-size:11px;white-space:nowrap}
.v2-member-action{text-align:right}
.v2-member-action form{display:inline}
.v2-member-action .v2-btn-line{height:32px;padding:0 12px;white-space:nowrap}
.v2-btn-danger{border-color:#e4b1b1!important;color:#a63636!important}
.v2-btn-danger:hover{background:#fff1f1!important}
.v2-member-empty{padding:34px 18px;color:var(--v2-ink-muted);font-size:13px;text-align:center}
.v2-join-page{min-height:calc(100vh - 170px);display:grid;place-items:center}
.v2-join-card{width:min(100%,560px);padding:54px 48px;border:1px solid var(--v2-hairline-soft);border-radius:24px;background:#fff;box-shadow:0 24px 70px rgba(0,42,96,.13);text-align:center}
.v2-join-card__mark{display:grid;place-items:center;width:74px;height:74px;margin:0 auto 23px;border-radius:50%;background:#e9f8f1;color:#168258;font-size:38px;font-weight:700}
.v2-join-card.is-pending .v2-join-card__mark{background:#fff5dc;color:#a36b00}
.v2-join-card.is-blocked .v2-join-card__mark{background:#fff0f0;color:#ae3434}
.v2-join-card .v2-member-eyebrow{color:var(--v2-primary)}
.v2-join-card h1{margin:9px 0 12px;font-size:30px}
.v2-join-card p{margin:0;color:var(--v2-ink-muted);line-height:1.8}
.v2-join-card__actions{display:flex;justify-content:center;gap:10px;margin-top:28px}

@media (max-width:820px){
  body:has(.v2-member-page) .v2-topbar__inner{padding-inline:14px;gap:10px}
  body:has(.v2-member-page) .v2-brand{flex:0 0 174px}
  body:has(.v2-member-page) .v2-nav{margin-left:auto}
  body:has(.v2-member-page) .v2-nav>.v2-nav__item{display:none;padding-inline:8px}
  body:has(.v2-member-page) .v2-nav>.v2-nav__item.is-active{display:flex}
  body:has(.v2-member-page) .v2-topbar__right{margin-left:0;gap:0}
  body:has(.v2-member-page) .v2-topbar__right>.v2-nav__item,
  body:has(.v2-member-page) .v2-topbar__right>.v2-nav-back{display:none}
  .v2-member-hero__inner{min-height:210px;padding:32px 20px;align-items:flex-start;flex-direction:column}
  .v2-member-hero h1{font-size:28px}
  .v2-member-hero__count{min-width:0;width:100%;display:flex;align-items:center;gap:10px}
  .v2-member-hero__count strong{font-size:26px}
  .v2-member-hero__count span{margin:0}
  .v2-member-top-grid{grid-template-columns:1fr}
  .v2-member-invite__body{grid-template-columns:140px minmax(0,1fr)}
  .v2-member-table thead{display:none}
  .v2-member-table,.v2-member-table tbody,.v2-member-table tr,.v2-member-table td{display:block;width:100%}
  .v2-member-table tr{padding:14px 16px;border-top:1px solid var(--v2-hairline-soft)}
  .v2-member-table td{display:grid;grid-template-columns:92px minmax(0,1fr);gap:10px;padding:5px 0;border:0;text-align:left}
  .v2-member-table td::before{content:attr(data-label);color:var(--v2-ink-muted);font-size:11px;font-weight:600}
  .v2-member-table td:first-child{padding-bottom:10px}
  .v2-member-table td:first-child::before{content:""}
  .v2-member-action{padding-top:10px!important}
  .v2-member-action::before{content:""!important}
}

@media (max-width:540px){
  .v2-member-page{width:100%;padding-inline:14px}
  .v2-member-invite__body{grid-template-columns:1fr;text-align:center}
  .v2-member-qr{width:180px;margin:0 auto}
  .v2-member-invite code{text-align:left}
  .v2-member-section .v2-panel__head{align-items:flex-start;flex-wrap:wrap}
  .v2-member-section .v2-panel__head small{width:100%;order:3}
  .v2-member-section .v2-panel__head em{position:absolute;right:18px}
  .v2-join-card{padding:42px 22px}
  .v2-join-card__actions{flex-direction:column}
}

/* ---- 期刊速递报告详情增强：今日头条特色块/作者行/查看原文/折叠/下载/每日疑问/声明 ---- */
.v2-doc-body .ask-report-featured{margin-top:18px;padding:16px 18px;background:linear-gradient(180deg,#f7fafd 0%,#f2f6fb 100%);border:1px solid rgba(0,64,152,.10);border-radius:12px}
.v2-doc-body .ask-report-authors{margin:6px 0 2px;color:#666666;font-size:12px;line-height:1.7}
.v2-doc-body .ask-report-origin-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:1px solid #e3e8ee}
.v2-doc-body .ask-report-origin{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:#004098;color:#ffffff;font-size:13px;font-weight:600;text-decoration:none;transition:box-shadow .2s,transform .2s}
.v2-doc-body .ask-report-origin:hover{box-shadow:0 0 0 4px rgba(0,64,152,.12);transform:translateY(-1px)}
.v2-doc-body .ask-report-origin-doi{color:#98a4b3;font-size:11px}
.v2-doc-body .ask-report-doi-link{color:#004098;text-decoration:none;border-bottom:1px dashed rgba(0,64,152,.4)}
.v2-doc-body .ask-report-doi-link:hover{border-bottom-style:solid}
/* 折叠组（渐隐遮罩式）：折叠时限高裁切+底部渐隐，文字链叠在渐变上；展开后全部平铺+末尾小字链 */
.v2-doc-body .ask-report-collapse.is-collapsed{display:block;max-height:150px;overflow:hidden;position:relative}
.v2-doc-body .ask-report-collapse.is-collapsed::after{content:'';position:absolute;left:0;right:0;bottom:0;height:110px;background:linear-gradient(180deg,rgba(255,255,255,0) 0%,#ffffff 82%);pointer-events:none}
.v2-doc-body .ask-report-toggle{display:block;margin:10px auto 0;padding:4px 10px;background:none;border:none;color:#004098;font-size:14px;line-height:1.6;cursor:pointer}
.v2-doc-body .ask-report-toggle:hover{text-decoration:underline}
.v2-doc-body .ask-report-collapse.is-collapsed + .ask-report-toggle{margin-top:-34px;position:relative;z-index:1;font-weight:600}
.v2-doc-body .ask-report-collapse[hidden]{display:none}
.v2-doc-body .ask-report-downloads{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.v2-doc-body .ask-report-dl{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid rgba(0,64,152,.18);border-radius:10px;background:#ffffff;color:#12335c;text-decoration:none;transition:box-shadow .2s,transform .2s}
.v2-doc-body .ask-report-dl:hover{box-shadow:0 0 0 4px rgba(0,64,152,.10);transform:translateY(-1px)}
.v2-doc-body .ask-report-dl svg{width:17px;height:17px;color:#004098;flex:none}
.v2-doc-body .ask-report-dl__label{font-size:14px;font-weight:600}
.v2-doc-body .ask-report-dl__note{color:#98a4b3;font-size:11px}
.v2-doc-body .ask-report-statement{margin-top:18px;color:#98a4b3;font-size:12px;line-height:1.8}
.v2-doc-body a.ask-report-qa{position:relative;display:block;margin-top:26px;background:linear-gradient(135deg,#004098 0%,#002766 100%);border-radius:12px;padding:22px 26px 24px;overflow:hidden;cursor:pointer;text-decoration:none;transition:transform .25s,box-shadow .25s}
.v2-doc-body a.ask-report-qa[hidden]{display:none}
.v2-doc-body a.ask-report-qa:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,39,102,.32)}
.v2-doc-body .ask-report-qa__qm{position:absolute;right:18px;bottom:-34px;font-family:Georgia,serif;font-size:150px;line-height:1;color:rgba(255,255,255,.07);font-weight:700;user-select:none;transition:color .3s}
.v2-doc-body a.ask-report-qa:hover .ask-report-qa__qm{color:rgba(255,255,255,.12)}
.v2-doc-body .ask-report-qa__head{display:flex;align-items:center;gap:8px}
.v2-doc-body .ask-report-qa__badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:6px;background:rgba(255,255,255,.16);color:#ffffff;font-size:12px;font-weight:700;letter-spacing:1px}
.v2-doc-body .ask-report-qa__src{color:rgba(255,255,255,.55);font-size:11.5px}
.v2-doc-body .ask-report-qa__q{display:block;margin-top:12px;color:#ffffff;font-size:17px;font-weight:700;line-height:1.7;max-width:88%}
.v2-doc-body .ask-report-qa__cta{margin-top:14px;display:inline-flex;align-items:center;gap:7px;color:#9dc0ff;font-size:12.5px}
.v2-doc-body .ask-report-qa__cta i{font-style:normal;transition:transform .25s;display:inline-block}
.v2-doc-body a.ask-report-qa:hover .ask-report-qa__cta i{transform:translateX(5px)}

/* 今日头条特色块内旧模板样式归一：分组标题 badge 化、正文灰字放大提亮、二维码残余收边 */
.v2-doc-body .ask-report-featured section:first-child{margin-top:0 !important;border-bottom:0 !important;font-size:16px !important;letter-spacing:4px}
.v2-doc-body .ask-report-featured section:nth-child(2){border-top:0 !important;margin-top:4px !important;color:#98a4b3 !important;font-size:11px !important;letter-spacing:3px}
.v2-doc-body .ask-report-featured strong[style*="background-color: #004098"]{display:inline-block;padding:3px 12px !important;border-radius:999px !important;font-size:12px !important;font-weight:700}
.v2-doc-body .ask-report-featured h3{line-height:1.6 !important}
.v2-doc-body .ask-report-featured section[style*="#999999"]{color:#34435c !important;font-size:13.5px !important;line-height:1.9 !important;margin:0 !important;padding:6px 0 0 !important}
.v2-doc-body .ask-report-featured section[style*="margin-left: 56px"]{margin-left:0 !important}
.v2-doc-body .ask-report-featured span[style*="font-size:10px"]{font-size:11px !important;color:#98a4b3 !important}
.v2-doc-body .ask-report-featured .ask-report-origin-row{border-top:1px solid rgba(0,64,152,.14)}

/* ── 期刊速递结构化渲染（ask-rs-*）：正文由 AskReport/AskReportArticle 行数据生成 ── */
.ask-rs-lead{background:#eef1f5;border-radius:8px;padding:12px 16px;color:#34435c;font-size:13.5px;line-height:1.9;margin-bottom:6px}
.ask-rs-featured{margin-top:14px;padding:18px 20px;background:linear-gradient(180deg,#f7fafd 0%,#f2f6fb 100%);border:1px solid rgba(0,64,152,.10);border-radius:12px}
.ask-rs-featured__head,.ask-rs-group__head{font-size:16px;font-weight:700;color:#004098;letter-spacing:4px;text-align:center;margin:0 0 14px}
.ask-rs-group{margin-top:26px}
.ask-rs-group__head{border-bottom:2px solid #004098;padding-bottom:8px}
.ask-rs-item{background:#fff;border:1px solid #e3e8ee;border-radius:10px;padding:14px 16px;margin-bottom:12px}
.ask-rs-featured .ask-rs-item{border-color:rgba(0,64,152,.14)}
.ask-rs-item__head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.ask-rs-no{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:20px;padding:0 6px;border-radius:999px;background:#004098;color:#fff;font-size:12px;font-weight:700}
.ask-rs-journal{font-weight:700;color:#172033}
.ask-rs-if{color:#b45309;font-size:12px;font-weight:600}
.ask-rs-status{color:#98a4b3;font-size:12px}
.ask-rs-title-en{color:#34435c;font-size:13.5px;line-height:1.6;margin:2px 0}
.ask-rs-title-cn{color:#004098;font-size:16px;font-weight:700;line-height:1.6;margin:4px 0 6px}
.ask-rs-authors{color:#666;font-size:12px;margin:4px 0}
.ask-rs-abstract{margin-top:8px}
.ask-rs-abstract p{margin:0 0 10px;color:#34435c;font-size:13.5px;line-height:1.9}
.ask-rs-origin-row{display:flex;align-items:center;margin-top:10px;padding-top:10px;border-top:1px solid #e3e8ee}
.ask-rs-origin-doi{position:relative;display:inline-flex;align-items:center;color:#004098;font-size:12px;font-weight:600;letter-spacing:.2px;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:rgba(0,64,152,.35);cursor:pointer;transition:color .2s,text-decoration-color .2s}
.ask-rs-origin-doi:hover{color:#002d75;text-decoration-color:#002d75}
.ask-rs-origin-tip{position:absolute;left:calc(100% + 10px);top:50%;transform:translate(-6px,-50%);color:inherit;line-height:1.5;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,transform .22s ease,visibility 0s linear .22s}
.ask-rs-origin-doi:hover .ask-rs-origin-tip{opacity:1;visibility:visible;transform:translate(0,-50%);transition:opacity .22s ease,transform .22s ease,visibility 0s}
/* 中国发表 / 其他发布内容：标题可点进站内文章详情，DOI 仅作展示；中英标题视为一体，悬停任一个两个同步着色加下划线 */
.ask-rs-title-link{color:inherit;text-decoration:none;transition:color .2s}
.ask-rs-item:has(.ask-rs-title-link:hover) .ask-rs-title-link{color:#002d75;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.ask-rs-origin-doi--plain{color:#5b6b7f;text-decoration:none;cursor:default;font-weight:500}
.ask-rs-origin-doi--plain:hover{color:#5b6b7f;text-decoration:none}
.ask-rs-footer{margin-top:14px;color:#98a4b3;font-size:12px;text-align:right}
.ask-report-collapse.is-collapsed{display:block;max-height:150px;overflow:hidden;position:relative}
.ask-report-collapse.is-collapsed::after{content:'';position:absolute;left:0;right:0;bottom:0;height:110px;background:linear-gradient(180deg,rgba(255,255,255,0) 0%,#ffffff 82%);pointer-events:none}
.ask-report-toggle{display:block;margin:10px auto 0;padding:4px 10px;background:none;border:none;color:#004098;font-size:14px;line-height:1.6;cursor:pointer}
.ask-report-toggle:hover{text-decoration:underline}
.ask-report-collapse.is-collapsed + .ask-report-toggle{margin-top:-34px;position:relative;z-index:1;font-weight:600}
.ask-report-collapse[hidden]{display:none}

/* 详情页右侧「H5 海报版」面板 */
.v2-report-qr { text-align: center; padding: 18px 18px 16px; }
.v2-report-qr img { display: block; margin: 0 auto; width: 132px; height: 132px; border: 1px solid #e3e8ee; border-radius: 8px; background: #ffffff; }
.v2-report-qr p { margin: 12px 0 12px; font-size: 12px; color: #98a4b3; line-height: 1.7; }
.v2-report-qr p b { color: #004098; }
.v2-report-qr a { display: inline-flex; align-items: center; gap: 5px; padding: 6px 18px; border: 1px solid var(--v2-hairline); border-radius: 999px; background: var(--v2-surface); color: var(--v2-primary); font-size: 12px; font-weight: 600; text-decoration: none; transition: color var(--v2-dur-fast) var(--v2-ease), border-color var(--v2-dur-fast) var(--v2-ease), background var(--v2-dur-fast) var(--v2-ease), box-shadow var(--v2-dur-fast) var(--v2-ease), transform var(--v2-dur-fast) var(--v2-ease); }
.v2-report-qr a::after { content: '↗'; font-size: 12px; line-height: 1; transition: transform var(--v2-dur-fast) var(--v2-ease); }
.v2-report-qr a:hover { border-color: var(--v2-primary); background: var(--v2-primary-soft); box-shadow: 0 3px 10px rgba(0,64,152,.14); transform: translateY(-1px); }
.v2-report-qr a:hover::after { transform: translate(1px, -1px); }

/* ===== 空态组件（_EmptyState partial · 方案C）：完整/紧凑两档，横幅形态复用 v2-onboard-banner ===== */
.v2-es{display:flex;flex-direction:column;align-items:center;gap:4px;padding:28px 16px;text-align:center}
.v2-es--compact{padding:18px 12px}
.v2-es__ico{flex:none;display:flex;align-items:center;justify-content:center;width:38px;height:38px;margin-bottom:6px;border-radius:12px;background:var(--v2-primary-soft);color:var(--v2-primary)}
.v2-es__ico .v2-ico{width:20px;height:20px}
.v2-es__title{font-size:14px;font-weight:700;color:var(--v2-ink)}
.v2-es__hint{font-size:12px;color:var(--v2-ink-muted)}
.v2-es__btn{margin-top:12px;display:inline-flex;align-items:center;gap:6px;padding:7px 18px;border-radius:var(--v2-r-full);background:var(--v2-primary);color:var(--v2-on-primary);font-size:13px;font-weight:600;text-decoration:none;transition:background var(--v2-dur-fast) var(--v2-ease)}
.v2-es__btn:hover{background:var(--v2-primary-hover)}
.v2-es__btn--ghost{background:var(--v2-surface);color:var(--v2-primary);border:1px solid rgba(0,64,152,.35)}
.v2-es__btn--ghost:hover{background:var(--v2-primary-soft)}
.v2-onboard-banner__ico{flex:none;display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.14);color:#fff}
.v2-onboard-banner__ico .v2-ico{width:20px;height:20px}

/* 知识点按文件格式展示，跨知识网格整行排布。 */
.v2-resource{grid-column:1/-1;display:flex;align-items:center;gap:20px;padding:20px;min-width:0;margin-bottom:12px}
.v2-know-grid>.v2-resource{margin-bottom:0}
.v2-resource:hover{box-shadow:var(--v2-shadow-md)}
.v2-resource__cover{position:relative;flex:none;display:block;width:108px;height:116px;background:var(--v2-primary-soft);color:var(--v2-primary);border-radius:var(--v2-r-sm);overflow:hidden}
.v2-resource__fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;font-size:12px;font-weight:600}
.v2-resource__fallback .v2-ico{width:32px;height:32px}
.v2-resource__cover img{position:relative;width:100%;height:100%;object-fit:contain;background:var(--v2-surface)}
.v2-resource__cover img[hidden]{display:none}
.v2-resource--image .v2-resource__cover,.v2-resource--video .v2-resource__cover{width:172px;height:124px}
.v2-resource--pdf .v2-resource__fallback,.v2-resource--word .v2-resource__fallback{inset:10px 20px;background:var(--v2-surface);border-radius:2px;box-shadow:var(--v2-shadow-sm)}
.v2-resource--slides .v2-resource__fallback{inset:24px 8px;background:var(--v2-surface);border-left:4px solid var(--v2-primary)}
.v2-resource--sheet .v2-resource__cover{background-color:var(--v2-surface);background-image:linear-gradient(var(--v2-hairline-soft) 1px,transparent 1px),linear-gradient(90deg,var(--v2-hairline-soft) 1px,transparent 1px);background-size:24px 24px;border:1px solid var(--v2-hairline-soft)}
.v2-resource--video .v2-resource__cover{background:var(--v2-hero-via);color:var(--v2-on-primary)}
.v2-resource--audio .v2-resource__cover{height:88px;border-radius:var(--v2-r-full)}
.v2-resource__body{flex:1;min-width:0}
.v2-resource__title{font-size:16px;line-height:1.5;font-weight:600;overflow-wrap:anywhere}
.v2-resource__meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:5px;font-size:12px;color:var(--v2-ink-muted)}
.v2-resource__format{padding:1px 6px;border-radius:4px;background:var(--v2-primary-soft);color:var(--v2-primary)}
.v2-resource__summary{font-size:13px;color:var(--v2-ink-muted);margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.v2-resource--text .v2-resource__summary{font-size:14px;color:var(--v2-ink);line-height:1.9}
.v2-resource--data .v2-resource__summary{font-family:var(--v2-font-mono);background:var(--v2-canvas);padding:12px;border-radius:var(--v2-r-sm)}
.v2-resource__footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:14px;font-size:12px;color:var(--v2-ink-muted)}
.v2-resource__action{color:var(--v2-primary)}
@media(max-width:600px){
    .v2-resource{padding:16px;gap:12px;align-items:flex-start}
    .v2-resource__cover{width:76px;height:96px}
    .v2-resource__title{font-size:15px}
    .v2-resource--image,.v2-resource--video{flex-direction:column}
    .v2-resource--image .v2-resource__cover,.v2-resource--video .v2-resource__cover{width:100%;height:170px}
    .v2-resource__body{width:100%}
    .v2-resource--audio .v2-resource__cover{height:76px}
    .v2-resource--pdf .v2-resource__fallback,.v2-resource--word .v2-resource__fallback{inset:8px}
}