/* 增量样式：功能直达卡片、左侧品牌动态、零结果建议词 + 乐高积木风格交互层。
   仅复用现有设计变量（--lime / --line / --panel / --muted），不改动主题色与 logo。 */

/* ── 交互反馈层：立体阴影 + 按压手感（去掉纯装饰的颗粒与入场动画）── */
:root{
  --brick-radius:16px;
  --brick-rest:0 3px 0 rgba(0,0,0,.55);
  --brick-lift:0 7px 0 rgba(0,0,0,.5), 0 16px 30px rgba(0,0,0,.38);
}

/* 品牌标识：官方 logo 保持原始金色，放在深色底上（金底金字会糊） */
.brand-logo{position:relative;display:grid;place-items:center;width:44px;height:44px;border-radius:13px;background:linear-gradient(160deg,#1c1c1c,#0c0c0c);border:1px solid rgba(255,212,0,.28);box-shadow:var(--brick-rest)}
.brand-logo img{width:28px;height:28px;display:block}
.brand-wordmark{display:block;width:auto;height:16px}
.brand-text h1{margin:0;line-height:1}
.brand-text > span{display:block;margin-top:4px;font-size:11px;letter-spacing:.06em;white-space:nowrap}

/* 模式切换：插槽 + 黄色积木按钮 */
.mode-nav{display:inline-flex;align-items:center;gap:6px;margin:18px 0 16px;padding:6px;border:1px solid var(--line);border-radius:15px;background:rgba(0,0,0,.62);box-shadow:inset 0 2px 5px rgba(0,0,0,.55)}
.mode-btn{border:0;border-radius:11px;padding:10px 20px;background:transparent;color:var(--muted);font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 2px 0 rgba(0,0,0,.45);transition:transform .18s,background .18s,color .18s,box-shadow .18s}
.mode-btn:hover{color:var(--text);transform:translateY(-1px)}
.mode-btn.active{background:var(--lime);color:#080808;font-weight:800;box-shadow:0 3px 0 var(--lime-2)}
.mode-btn:active{transform:translateY(2px);box-shadow:0 0 0 rgba(0,0,0,.4)}
.mode-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* 搜索区：一整块积木底座 */
.search-section{border-radius:var(--brick-radius);background:linear-gradient(135deg,rgba(22,22,22,.97),rgba(8,8,8,.93));box-shadow:inset 0 2px 0 rgba(255,255,255,.05),0 14px 30px rgba(0,0,0,.36)}
.search-section{position:sticky;top:10px;z-index:4}
.search-box{padding:6px 6px 6px 16px;border-radius:14px;background:rgba(0,0,0,.72);box-shadow:inset 0 2px 5px rgba(0,0,0,.65),inset 0 -1px 0 rgba(255,255,255,.04)}
.search-box:focus-within{border-color:var(--lime);box-shadow:0 0 0 4px rgba(255,212,0,.15),inset 0 2px 5px rgba(0,0,0,.65)}
.search-btn{border-radius:11px;padding:13px 22px;box-shadow:0 3px 0 var(--lime-2);transition:transform .18s,box-shadow .18s,background .18s}
.search-btn:hover{transform:translateY(-2px);box-shadow:0 5px 0 var(--lime-2)}
.search-btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--lime-2)}
.refresh-btn{border-radius:8px;padding:6px 9px;transition:transform .18s,color .18s}
.refresh-btn:hover{transform:translateY(-1px);background:rgba(255,212,0,.08)}

/* 分类 / 筛选：积木颗粒 */
.category-chip{border-radius:11px;padding:9px 15px;box-shadow:0 2px 0 rgba(0,0,0,.45);transition:transform .18s,background .18s,color .18s,box-shadow .18s}
.category-chip:hover{transform:translateY(-2px);box-shadow:0 4px 0 rgba(0,0,0,.45)}
.category-chip.active{background:var(--lime);color:#080808;font-weight:700;border-color:var(--lime);box-shadow:0 3px 0 var(--lime-2)}
.category-chip:active{transform:translateY(1px);box-shadow:0 1px 0 rgba(0,0,0,.45)}

/* 结果卡片：带两颗凸起颗粒的积木砖 */
.result-card,.folder-card{border-radius:var(--brick-radius);background:linear-gradient(180deg,rgba(21,21,21,.97),rgba(12,12,12,.97));box-shadow:var(--brick-rest),0 8px 18px rgba(0,0,0,.26);transition:transform .22s,box-shadow .22s,border-color .22s,background .22s}
.result-card:hover,.folder-card:hover{transform:translateY(-4px);border-color:rgba(255,212,0,.52);background:linear-gradient(180deg,rgba(26,26,26,.98),rgba(15,15,15,.98));box-shadow:var(--brick-lift)}
.result-card:active,.folder-card:active{transform:translateY(-1px)}
.result-card:focus-visible,.folder-card:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
/* 键盘上下键选中的结果 */
.result-card.is-cursor,.folder-card.is-cursor{border-color:var(--lime);box-shadow:0 0 0 3px rgba(255,212,0,.16),var(--brick-lift)}

/* 按钮按压反馈 */
.file-download,.copy-reply,.file-direct,.direct-open,.direct-locate,.suggest-chip,.brand-open,.result-download{transition:transform .16s,box-shadow .16s,color .16s,background .16s}
.file-download:active,.copy-reply:active,.file-direct:active,.direct-open:active,.direct-locate:active,.suggest-chip:active,.brand-open:active,.result-download:active{transform:translateY(1px)}
.direct-open,.direct-locate{box-shadow:0 3px 0 rgba(0,0,0,.5)}
.direct-locate.primary,.direct-open{box-shadow:0 3px 0 var(--lime-2)}
.direct-open:hover,.direct-locate:hover{transform:translateY(-2px);box-shadow:0 5px 0 var(--lime-2)}
.direct-open:active,.direct-locate:active{transform:translateY(2px);box-shadow:0 1px 0 var(--lime-2)}
.suggest-chip{box-shadow:0 2px 0 rgba(0,0,0,.45)}
.suggest-chip:hover{transform:translateY(-2px);box-shadow:0 4px 0 rgba(0,0,0,.45)}

/* 官方入口 / 品牌物料卡片 */
.official-card,.brand-card{border-radius:var(--brick-radius);box-shadow:var(--brick-rest);transition:transform .22s,box-shadow .22s,border-color .22s}
.official-card:hover,.brand-card:hover{transform:translateY(-4px);border-color:rgba(255,212,0,.52);box-shadow:var(--brick-lift)}

/* 左侧品牌动态：小积木块 */
.brand-dynamic-thumb{border-radius:8px;box-shadow:0 2px 0 rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.12)}
.status-item{width:100%;border:0;text-align:left;font:inherit;color:inherit;background:transparent;cursor:pointer}
.status-item:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:10px}
.status-item.is-active{border-color:rgba(255,212,0,.5);border-radius:10px;background:rgba(255,212,0,.08);box-shadow:inset 0 0 0 1px rgba(255,212,0,.35)}
.brand-dynamic-row{border-radius:11px}
.brand-dynamic-row:hover{transform:translateX(3px);box-shadow:0 2px 0 rgba(0,0,0,.4)}
.brand-dynamic-row:active{transform:translateX(1px)}

/* 直达面板：黄色描边积木 */
.direct-panel{border-radius:var(--brick-radius);box-shadow:inset 0 2px 0 rgba(255,255,255,.05),0 10px 24px rgba(0,0,0,.3)}
.direct-card{border-radius:13px;box-shadow:0 2px 0 rgba(0,0,0,.45)}
.direct-card:hover{transform:translateY(-2px);box-shadow:0 5px 0 rgba(0,0,0,.45)}

@media(prefers-reduced-motion:reduce){
  .result-card:hover,.folder-card:hover,.official-card:hover,.brand-card:hover,.mode-btn:hover,.category-chip:hover{transform:none}
}

/* ── 左侧栏品牌动态（纵向列表）────────────────────────────── */
.brand-dynamic-panel{margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.brand-dynamic-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:14px}
.brand-dynamic-head h2{margin:0;color:var(--muted-2);font:500 11px 'DM Mono',monospace;letter-spacing:.12em;text-transform:uppercase}
.brand-dynamic-more{border:0;padding:0;background:transparent;color:var(--lime);font-size:11px;cursor:pointer}
.brand-dynamic-more:hover{text-decoration:underline}
.brand-dynamic-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.brand-dynamic-row{display:flex;align-items:center;gap:10px;width:100%;padding:9px 8px;border:0;border-radius:10px;background:transparent;color:var(--text);cursor:pointer;text-align:left;transition:background .2s,transform .2s}
.brand-dynamic-row:hover{background:rgba(255,212,0,.08);transform:translateX(2px)}
.brand-dynamic-row:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.brand-dynamic-thumb{flex:0 0 auto;display:grid;place-items:center;width:30px;height:30px;border-radius:7px;overflow:hidden;background:rgba(255,212,0,.10)}
.brand-dynamic-thumb img{width:100%;height:100%;object-fit:cover}
.brand-dynamic-media{color:var(--lime);font-size:12px}
.brand-dynamic-body{min-width:0;display:grid;gap:2px}
.brand-dynamic-body strong{display:block;overflow:hidden;font-size:12px;font-weight:600;line-height:1.35;color:var(--text);text-overflow:ellipsis;white-space:nowrap}
.brand-dynamic-body em{font-style:normal;font-size:10px;color:var(--muted-2)}
.brand-dynamic-arrow{margin-left:auto;flex:0 0 auto;color:var(--lime);font-size:11px;opacity:0;transition:opacity .2s}
.brand-dynamic-row:hover .brand-dynamic-arrow,.brand-dynamic-row:focus-visible .brand-dynamic-arrow{opacity:1}
.brand-dynamic-empty{margin:6px 0 0;color:var(--muted-2);font-size:10px;line-height:1.6}

/* ── 功能直达卡片 ────────────────────────────────────────── */
.direct-panel{margin:16px 0 4px;padding:16px;border:1px solid rgba(255,212,0,.28);border-radius:16px;background:linear-gradient(135deg,rgba(255,212,0,.06),rgba(255,255,255,.02))}
.direct-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:12px}
.direct-kicker{display:inline-flex;align-items:center;gap:7px;color:var(--lime);font:500 10px 'DM Mono',monospace;letter-spacing:.14em;text-transform:uppercase}
.direct-kicker:before{content:'';width:18px;height:1px;background:var(--lime)}
.direct-head small{color:var(--muted-2);font-size:11px}
.direct-grid{display:grid;gap:10px}
.direct-card{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(15,15,15,.72);transition:border-color .2s,background .2s}
.direct-card:hover{border-color:rgba(255,212,0,.48);background:rgba(22,22,22,.9)}
.direct-body{min-width:0;display:grid;gap:3px;flex:1 1 220px}
.direct-body strong{font-size:14px;color:var(--text)}
.direct-body span{font-size:11px;color:var(--muted);line-height:1.5}
.direct-actions{display:flex;flex-wrap:wrap;gap:8px}
.direct-open,.direct-locate{border:1px solid rgba(255,212,0,.45);border-radius:8px;padding:8px 13px;background:transparent;color:var(--lime);font-size:11px;font-weight:700;cursor:pointer;transition:transform .2s,background .2s}
.direct-locate.primary,.direct-open{border-color:var(--lime);background:var(--lime);color:#080808}
.direct-open:hover,.direct-locate:hover{transform:translateY(-1px)}
.direct-open:focus-visible,.direct-locate:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ── 结果卡片上的直达按钮 ─────────────────────────────────── */
.file-direct{border:0;padding:5px 0;background:transparent;color:var(--lime);font-size:11px;font-weight:700;cursor:pointer;white-space:nowrap}
.file-direct:hover{text-decoration:underline}

/* ── 零结果建议词 ────────────────────────────────────────── */
.suggest-block{margin-top:18px}
.suggest-block>span{display:block;margin-bottom:9px;color:var(--muted-2);font-size:11px}
.suggest-list{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.suggest-chip{border:1px solid var(--line);border-radius:999px;padding:7px 13px;background:rgba(255,255,255,.03);color:var(--text);font-size:12px;cursor:pointer;transition:.2s}
.suggest-chip:hover{border-color:rgba(255,212,0,.62);background:rgba(255,212,0,.12);color:var(--lime)}
.suggest-chip:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ── 复制回复：Q&A 场景的第一 CTA ─────────────────────────── */
.primary-copy{border:0;border-radius:9px;padding:7px 14px;background:var(--lime);color:#080808;font-size:12px;font-weight:800;cursor:pointer;box-shadow:0 2px 0 var(--lime-2);transition:transform .16s,box-shadow .16s}
.primary-copy:hover{transform:translateY(-1px);box-shadow:0 4px 0 var(--lime-2)}
.primary-copy:active{transform:translateY(2px);box-shadow:0 0 0 var(--lime-2)}
.primary-copy.copied{background:#22c55e;color:#06240f;box-shadow:0 2px 0 #15803d}
.reply-box{margin-top:16px;padding:13px 14px;border-left:2px solid var(--lime);border-radius:0 10px 10px 0;background:rgba(255,212,0,.05)}
.reply-label{display:block;margin-bottom:6px;color:var(--lime);font-size:10px;letter-spacing:.06em}
.reply-text{margin:0;color:var(--text);font-size:13px;line-height:1.75;cursor:text;-webkit-user-select:text;user-select:text}

/* ── 长回复收敛：不再让一条 Q&A 占满整屏 ───────────────────────── */
/* 1) 卡片不再被同排最高的那张拉伸，短卡保持自身高度，消掉大片空白 */
.results-grid{align-items:start}
/* 2) 答案默认截断，但「复制回复」始终复制完整内容，展开只影响阅读 */
.reply-box{position:relative}
.reply-text{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:5;overflow:hidden}
.results-grid.is-compact .reply-text{-webkit-line-clamp:2}
.reply-box.is-open .reply-text{display:block;-webkit-line-clamp:unset;overflow:visible}
/* 紧凑模式卡片已变矮，改三列；窄屏自动回落到两列/单列 */
.results-grid.is-compact{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.results-grid.is-compact .results-group-heading{margin:8px 0 0;padding:10px 2px 8px}
.results-grid.is-compact .results-group-heading strong{font-size:13px}
.results-grid.is-compact .results-group-heading div{flex-direction:row;align-items:baseline;gap:10px}
.results-grid.is-compact .results-group-heading small{font-size:11px}
/* 紧凑模式下只留「标题 + 一句答案 + 操作」，标签与描述收起，卡片高度减半 */
.results-grid.is-compact .result-card{padding:16px}
.results-grid.is-compact .result-card > p{display:none}
.results-grid.is-compact .result-tag:nth-child(n+3){display:none}
.results-grid.is-compact .result-tags{margin-top:10px}
.results-grid.is-compact .result-card h4{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.results-grid.is-compact .reply-box{margin-top:12px;padding:9px 12px}
.results-grid.is-compact .reply-label{display:none}
.results-grid.is-compact .result-footer{margin-top:12px;padding-top:10px}
/* 标签里混着完整文件夹路径，单行截断，避免撑成好几排 */
.result-tag{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.result-tags{max-height:26px;overflow:hidden}
/* 3) 只有真正被截断的卡片才出现此按钮（JS 按实际高度判断后插入） */
.reply-more{margin-top:9px;padding:0;border:0;background:transparent;color:var(--lime);font-size:11px;font-weight:700;cursor:pointer}
.reply-more:hover{text-decoration:underline}
.reply-more:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
/* 4) 密度开关：结果多时默认紧凑，可一键展开全部 */
.results-meta{display:flex;align-items:center;gap:12px}
.density-btn{border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:rgba(255,255,255,.03);color:var(--muted);font-size:11px;font-weight:600;cursor:pointer;transition:.2s}
.density-btn:hover{border-color:rgba(255,212,0,.55);color:var(--lime)}
.density-btn[aria-pressed="true"]{border-color:rgba(255,212,0,.55);background:rgba(255,212,0,.12);color:var(--lime)}
.density-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.density-btn[hidden]{display:none}

/* ── 起始页：进来就有入口，不用先点分类 ──────────────────────── */
.home-grid .home-panel{grid-column:1/-1;padding:18px 20px;border:1px solid var(--line);border-radius:var(--brick-radius);background:linear-gradient(135deg,rgba(22,22,22,.96),rgba(10,10,10,.94));box-shadow:var(--brick-rest)}
.home-grid .results-group-heading{grid-column:1/-1}
.home-panel h4{margin:0 0 14px;font-size:14px}
.home-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}
.home-row:last-child{margin-bottom:0}
.home-row-label{flex:0 0 auto;min-width:56px;color:var(--muted-2);font-size:11px}
.home-chips{display:flex;flex-wrap:wrap;gap:8px}
.home-chip{border:1px solid var(--line);border-radius:10px;padding:8px 13px;background:rgba(255,255,255,.03);color:var(--text);font-size:12px;cursor:pointer;box-shadow:0 2px 0 rgba(0,0,0,.45);transition:transform .16s,border-color .16s,background .16s,color .16s}
.home-chip:hover{transform:translateY(-2px);border-color:rgba(255,212,0,.55);background:rgba(255,212,0,.10);color:var(--lime)}
.home-chip:active{transform:translateY(1px);box-shadow:0 0 0 rgba(0,0,0,.4)}
.home-chip.is-recent{border-color:rgba(255,212,0,.35);color:var(--lime)}
.home-chip:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

@media(max-width:820px){
  .brand-dynamic-panel{margin-top:26px;padding-top:18px}
  .direct-panel{padding:13px}
  .direct-card{padding:11px}
  .direct-actions{width:100%}
  .direct-open,.direct-locate{flex:1 1 auto;text-align:center}
}

@media(prefers-reduced-motion:reduce){
  .brand-dynamic-row,.direct-open,.direct-locate,.direct-card,.suggest-chip{transition:none}
  .brand-dynamic-row:hover{transform:none}
  .direct-open:hover,.direct-locate:hover{transform:none}
}

/* ── 04 线下活动：图片画廊 ─────────────────────────────────── */
.offline-gallery{margin-top:30px;padding:22px 0 8px;border-top:1px solid rgba(255,212,0,.2);scroll-margin-top:100px}
.offline-gallery[hidden]{display:none}
.offline-gallery-controls{display:flex;justify-content:flex-end;gap:7px;margin-bottom:8px}
.offline-gallery-controls button,.offline-gallery-lightbox-arrow,.offline-gallery-close{display:grid;place-items:center;border:1px solid rgba(255,212,0,.28);background:rgba(255,255,255,.04);color:var(--text);cursor:pointer}
.offline-gallery-controls button{width:33px;height:33px;border-radius:50%;font-size:16px}
.offline-gallery-controls button:hover,.offline-gallery-lightbox-arrow:hover,.offline-gallery-close:hover{border-color:var(--lime);color:var(--lime)}
.offline-gallery-viewport{overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.offline-gallery-viewport::-webkit-scrollbar{display:none}
.offline-gallery-track{display:flex;gap:14px;width:max-content;padding:2px 2px 9px}
.offline-gallery-card{flex:0 0 clamp(190px,23vw,270px);overflow:hidden;padding:0;border:1px solid rgba(255,255,255,.09);border-radius:13px;background:linear-gradient(155deg,#181818,#0b0b0b);color:var(--text);text-align:left;cursor:pointer;scroll-snap-align:start;transition:transform .2s,border-color .2s,box-shadow .2s}
.offline-gallery-card:hover,.offline-gallery-card:focus-visible{transform:translateY(-3px);border-color:rgba(255,212,0,.58);box-shadow:0 8px 22px rgba(0,0,0,.35);outline:none}
.offline-gallery-image{display:block;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#222,#0a0a0a)}
.offline-gallery-image img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .35s}
.offline-gallery-card:hover .offline-gallery-image img{transform:scale(1.035)}
.offline-gallery-dialog[hidden]{display:none}
.offline-gallery-dialog{position:fixed;z-index:30;inset:0;display:grid;place-items:center;padding:28px}
.offline-gallery-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.88);backdrop-filter:blur(8px)}
.offline-gallery-lightbox{position:relative;z-index:1;display:grid;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;gap:14px;width:min(1050px,100%);max-height:calc(100vh - 56px);padding:24px 20px 18px;border:1px solid rgba(255,212,0,.22);border-radius:18px;background:#101010;box-shadow:0 24px 80px rgba(0,0,0,.7)}
.offline-gallery-lightbox figure{grid-column:2;grid-row:1;margin:0;min-width:0;text-align:center}
.offline-gallery-lightbox figure img{display:block;max-width:100%;max-height:calc(100vh - 170px);margin:auto;object-fit:contain}
.offline-gallery-lightbox-arrow{width:40px;height:40px;border-radius:50%;font-size:28px;line-height:1}
.offline-gallery-lightbox-arrow.previous{grid-column:1;grid-row:1}
.offline-gallery-lightbox-arrow.next{grid-column:3;grid-row:1}
.offline-gallery-close{position:absolute;top:9px;right:10px;width:33px;height:33px;border-radius:50%;font-size:21px;line-height:1}
.gallery-open{overflow:hidden}
@media(max-width:820px){.offline-gallery-card{flex-basis:clamp(205px,44vw,280px)}.offline-gallery-dialog{padding:12px}.offline-gallery-lightbox{grid-template-columns:34px minmax(0,1fr) 34px;gap:6px;width:100%;padding:48px 8px 14px}.offline-gallery-lightbox-arrow{width:32px;height:32px}.offline-gallery-lightbox figure img{max-height:calc(100vh - 120px)}}
@media(max-width:560px){.offline-gallery-card{flex-basis:77vw}.offline-gallery-lightbox-arrow{position:absolute;top:50%;z-index:2}.offline-gallery-lightbox-arrow.previous{left:4px}.offline-gallery-lightbox-arrow.next{right:4px}}
@media(prefers-reduced-motion:reduce){.offline-gallery-card,.offline-gallery-image img{transition:none}}

/* ── 布局按使用逻辑优化：搜索工具页，hero 让位给任务 ───────────── */
.hero{padding:34px 0 20px;max-width:720px}
.hero h2{margin:12px 0 12px;font-size:clamp(30px,3.6vw,46px);line-height:1.1}
.hero-slogan{margin:0 0 12px;padding:6px 11px;font-size:12px}
.hero-slogan strong{font-size:15px}
.hero p{font-size:13px;line-height:1.6}

/* 模式切换：分段控件，视觉上明确“当前在哪个任务里” */
.mode-nav{display:inline-flex;align-items:center;gap:4px;margin:16px 0 16px;padding:4px;border:1px solid var(--line);border-radius:12px;background:rgba(0,0,0,.55)}
.mode-btn{border:0;border-radius:9px;padding:9px 18px;background:transparent;color:var(--muted);font-size:13px;font-weight:600;cursor:pointer;transition:.2s}
.mode-btn:hover{color:var(--text)}
.mode-btn.active{background:var(--lime);color:#080808;font-weight:800}

/* Hero 常驻瘦身：检索站不需要半屏大标题，首屏要留给结果。
   （不做「搜索时才收起」，否则第一下输入会让搜索框跳位） */
.hero{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;padding:16px 0 8px}
.hero h2{margin:0;font-size:18px;line-height:1.35;letter-spacing:-.02em}
.hero h2 br{display:none}          /* 原标题强制换行占两行，收成一行 */
.hero-slogan,.hero > p{display:none}
.search-section{padding:16px 18px}
.mode-nav{margin:16px 0 10px}
.category-filter{margin:14px 0 10px}
.results-header{margin:18px 0 12px}

/* 搜索区只属于资料检索模式；品牌物料与官方链接有各自入口 */
.search-section[hidden]{display:none}
.search-flow-note{display:none}
.action-notice{z-index:6}

@media(max-width:820px){
  .hero{padding:24px 0 14px}
  .hero h2{font-size:clamp(26px,7.4vw,34px)}
  .mode-nav{width:100%;justify-content:flex-start}
  .mode-btn{flex:1 1 auto;text-align:center;padding:9px 10px}
}

/* ── 品牌宣传：目录未就绪提示 ─────────────────────────────── */
.brand-promo-notice{
  margin:0 0 14px;padding:10px 14px;border-radius:10px;
  border:1px solid rgba(255,212,0,.26);border-left:3px solid var(--lime);
  background:rgba(255,212,0,.06);color:var(--muted);
  font-size:12.5px;line-height:1.65;
}

/* ── Q&A 话术主题筛选（对齐线上 v=20260920，样式收紧以免挤压首屏） ── */
.qa-topic-filter{display:flex;flex-wrap:nowrap;align-items:center;gap:6px;margin:0 0 10px;padding:8px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow-x:auto;overflow-y:hidden;scrollbar-width:none}
.qa-topic-filter::-webkit-scrollbar{display:none}
.qa-topic-label{flex:0 0 auto;margin-right:2px;color:var(--muted);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase}
.qa-topic-chip{padding:4px 9px;font-size:12px;white-space:nowrap;flex:0 0 auto}
.qa-topic-chip.active{background:var(--lime);color:#0B0B0B;border-color:var(--lime);font-weight:700}
.qa-result-tag{background:rgba(255,212,0,.16);color:var(--lime);font-weight:700}
@media(max-width:576px){
  .qa-topic-filter{max-height:84px;overflow:auto;-webkit-overflow-scrolling:touch}
}

/* 搜索无结果：优先给用户反馈入口，资料库仅作为备用路径 */
.empty-state h4{margin:0 0 12px;color:var(--text);font-size:18px;line-height:1.45}
.empty-state>p{max-width:720px;margin:0 auto;color:var(--muted);font-size:13px;line-height:1.7}
.empty-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px}
.result-feedback,.empty-state .result-download{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 17px;border:1px solid transparent;border-radius:10px;font-family:inherit;font-size:13px;font-weight:700;line-height:1.2;text-decoration:none;cursor:pointer;transition:transform .16s,box-shadow .16s,color .16s,background .16s,border-color .16s}
.result-feedback{background:var(--lime);color:#080808;box-shadow:0 3px 0 var(--lime-2)}
.result-feedback:hover{transform:translateY(-2px);background:#ffe14d;box-shadow:0 5px 0 var(--lime-2)}
.empty-state .result-download{border-color:var(--line);background:rgba(255,255,255,.035);color:var(--muted)}
.empty-state .result-download:hover{transform:translateY(-2px);border-color:rgba(255,212,0,.4);color:var(--text);background:rgba(255,255,255,.07)}
.result-feedback:focus-visible,.empty-state .result-download:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
@media(max-width:576px){
  .empty-actions{align-items:stretch;flex-direction:column}
  .result-feedback,.empty-state .result-download{width:100%}
}

/* 搜索态：搜索本身跨全库，端选择栏反而会让人误以为结果不全，收起让位给结果。
   只隐藏结果区上方元素，不动 header/搜索框，避免打字时输入框跳位。 */
body.is-searching .category-filter{display:none}
body.is-searching .search-section{padding:14px 18px}
body.is-searching .results-header{margin:12px 0 8px}

/* 首页减掉左侧重复导航，让检索成为主线；品牌仅在空查询首页展示。 */
.app{display:block;max-width:1320px}
.sidebar,.sidebar-overlay{display:none!important}
.site-header{display:flex;max-width:1320px;margin:0 auto;padding:18px 5vw 12px;border:0;background:transparent}
.site-header .brand-logo{width:40px;height:40px}
.main{max-width:none;margin:0 auto;padding:0 5vw 42px}
.site-header .mobile-menu-btn{display:none}
.offline-gallery{margin:12px 0 10px;padding:18px 0 5px;border-top:1px solid rgba(255,212,0,.16)}
.offline-gallery-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px}
.offline-gallery-heading>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.offline-gallery-heading .hero-tag{font-size:10px}
.offline-gallery-heading h3{margin:0;color:var(--text);font-size:16px;letter-spacing:-.02em}
.offline-gallery-sort-note{color:var(--muted-2);font-size:10px;letter-spacing:.02em}
.offline-gallery-folder{flex:0 0 auto;color:var(--lime);font-size:11px;font-weight:700;text-decoration:none}
.offline-gallery-folder:hover{text-decoration:underline}
.offline-gallery-controls{margin:0 0 6px}
.offline-gallery-item{position:relative;flex:0 0 clamp(150px,18vw,220px);scroll-snap-align:start}
.offline-gallery-card{display:block;width:100%;padding:0;border:1px solid rgba(255,255,255,.1);border-radius:11px;background:#111;overflow:hidden}
.offline-gallery-image{position:relative;aspect-ratio:4/3;background:#090909}
.offline-gallery-image img{object-fit:contain}
.offline-gallery-date{position:absolute;left:7px;bottom:7px;padding:4px 6px;border:1px solid rgba(255,255,255,.14);border-radius:5px;background:rgba(0,0,0,.68);color:rgba(255,255,255,.78);font-size:9px;line-height:1;pointer-events:none}
.offline-gallery-zoom{position:absolute;right:8px;bottom:8px;display:grid;place-items:center;width:28px;height:28px;border:1px solid rgba(255,255,255,.28);border-radius:50%;background:rgba(0,0,0,.72);color:#fff;font-size:19px;line-height:1;cursor:pointer}
.offline-gallery-zoom:hover{border-color:var(--lime);color:var(--lime)}
.offline-gallery-item .offline-gallery-card:hover{transform:translateY(-2px)}
.official-assets-grid{display:grid;grid-template-columns:repeat(2,minmax(0,220px));gap:12px;margin:16px 0 24px}
.official-asset-card{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:linear-gradient(150deg,rgba(22,22,22,.96),rgba(8,8,8,.94));text-decoration:none;color:var(--text);transition:transform .18s,border-color .18s,box-shadow .18s}
.official-asset-card:hover{transform:translateY(-3px);border-color:rgba(255,212,0,.5);box-shadow:0 8px 22px rgba(0,0,0,.28)}
.official-asset-preview{display:grid;place-items:center;height:106px;background:radial-gradient(circle,rgba(255,212,0,.09),transparent 68%),#0a0a0a}
.official-asset-preview img{display:block;max-width:72%;max-height:54px}
.official-asset-preview.mark img{width:48px;height:48px;max-width:none;max-height:none}
.official-asset-info{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 13px;border-top:1px solid var(--line)}
.official-asset-info strong{font-size:12px}
.official-asset-info em{color:var(--lime);font-size:10px;font-style:normal;white-space:nowrap}
.brand-section .brand-grid{margin-top:14px}

@media(max-width:820px){
  .site-header{padding:14px 20px 10px}
  .main{padding:0 20px 32px}
  .offline-gallery{margin-left:0;margin-right:0}
  .offline-gallery-item{flex-basis:clamp(155px,40vw,220px)}
  .official-assets-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:560px){
  .offline-gallery-heading{align-items:flex-end}
  .offline-gallery-heading>div{display:block}
  .offline-gallery-heading h3{margin-top:5px;font-size:15px}
  .offline-gallery-heading .hero-tag{font-size:9px}
  .offline-gallery-item{flex-basis:68vw}
  .official-assets-grid{grid-template-columns:1fr}
}