/* 首页搜索区 + 内容类型筛选；结果由服务端完整输出。 */
#help-page.hdd-search-page{background:var(--hdd-canvas,#f6f8fb)}
#help-page .hdd-search-content{max-width:1308px;min-height:380px;margin:0 auto;padding:24px 24px 64px}
#help-page .hdd-search-content>.breadcrumbs{font-size:12px;margin-bottom:24px;flex-wrap:wrap}
#help-page .hdd-search-content>.breadcrumbs a:hover{color:var(--brand)}
#help-page .hdd-search-toolbar{margin-bottom:25px}
#help-page .hdd-search-filters{display:flex;flex-wrap:wrap;gap:10px 12px;margin-bottom:19px}
#help-page .hdd-search-filter{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:9px 22px;border:1px solid transparent;border-radius:999px;background:#eaf0f7;color:#536278;font-size:15px;line-height:1.5;cursor:pointer;transition:background .15s,color .15s}
#help-page .hdd-search-filter span{font-size:12px;opacity:.8;font-variant-numeric:tabular-nums}
#help-page .hdd-search-filter:hover{background:var(--brand-pale);color:var(--brand)}
#help-page .hdd-search-filter[aria-pressed="true"]{background:var(--brand);color:#fff;box-shadow:0 4px 12px #318ffc1a}
#help-page .hdd-search-summary{margin:0;color:#798699;font-size:15px;line-height:1.8;overflow-wrap:anywhere}
#help-page .hdd-search-summary strong{color:var(--brand);font-weight:500}
#help-page .hdd-search-summary b{font-weight:600;color:#43536a}
#help-page .hdd-search-section{margin-bottom:22px;padding:0 24px 12px;border:1px solid #e3eaf3;border-radius:12px;background:#fff;overflow:hidden}
#help-page .hdd-search-section-head{display:flex;align-items:center;gap:12px;padding:21px 0 15px;border-bottom:1px solid #edf1f6}
#help-page .hdd-search-section-head h2{margin:0;color:#263750;font-size:18px;font-weight:600;line-height:1.5}
#help-page .hdd-result-count{font-size:12px;color:#8795a9}
#help-page .hdd-search-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px;list-style:none;margin:0;padding:0}
#help-page .hdd-search-list>li{min-width:0;border-bottom:1px solid #f0f3f7}
#help-page .hdd-search-list>li:nth-last-child(-n+2){border-bottom:0}
#help-page .hdd-search-item{display:grid;grid-template-columns:minmax(0,1fr) auto 14px;align-items:center;gap:12px;min-height:68px;padding:14px 6px;border-radius:6px}
#help-page .hdd-search-item:hover{background:var(--hdd-brand-soft,#f6faff);color:var(--brand)}
#help-page .hdd-item-title{min-width:0;margin:0;font-size:15px;font-weight:500;line-height:1.75;overflow-wrap:anywhere}
#help-page .hdd-category{max-width:7em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:#8a97a8}
#help-page .hdd-item-arrow{color:#a3b2c6;font-size:21px;line-height:1}
#help-page .hdd-search-item:hover .hdd-item-arrow{color:var(--brand)}
#help-page .hdd-search-section mark{padding:0;background:none;color:var(--brand);font-weight:inherit}
#help-page .hdd-search-videos{list-style:none;margin:20px 0 12px;padding:0;gap:18px}
#help-page .hdd-search-videos>li{min-width:0}
#help-page .hdd-search-videos .video-tutorial-card{height:100%;border-radius:10px}
#help-page .hdd-search-videos .video-card-title{flex:1;margin:0;min-height:62px;padding:14px 14px 8px;font-size:15px;font-weight:600;line-height:1.6}
#help-page .hdd-search-video-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 14px 15px;color:#8a97a8;font-size:12px;line-height:1.6}
#help-page .hdd-search-video-meta>span{white-space:nowrap;color:var(--brand)}
#help-page .hdd-search-message{padding:28px;border:1px solid #e3eaf3;border-radius:12px;background:#fff;color:#67768c;line-height:1.8}
#help-page .hdd-search-empty{padding:40px 20px 44px;border:1px solid #e3eaf3;border-radius:12px;background:#fff;text-align:center}
#help-page .hdd-search-empty-icon{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:50%;background:var(--brand-pale);color:var(--brand);font-size:38px;line-height:1}
#help-page .hdd-search-empty h2{margin:15px 0 7px;font-size:19px;font-weight:600;color:#34445c}
#help-page .hdd-search-empty p{margin:0 0 15px;font-size:14px;color:#7e8b9e}
@media(max-width:800px){#help-page .hdd-search-list{grid-template-columns:1fr}#help-page .hdd-search-list>li:nth-last-child(2){border-bottom:1px solid #f0f3f7}}
@media(max-width:760px){#help-page .hdd-search-content{padding:20px 16px 44px}#help-page .hdd-search-content>.breadcrumbs{margin-bottom:19px}#help-page .hdd-search-filters{gap:8px}#help-page .hdd-search-filter{min-height:40px;padding:8px 14px;font-size:14px;gap:6px}#help-page .hdd-search-section{padding:0 16px 8px}#help-page .hdd-search-section-head{padding:18px 0 12px}#help-page .hdd-search-videos{gap:12px}#help-page .hdd-search-summary{font-size:14px}#help-page .hdd-search-item{gap:8px;padding:13px 2px}}
@media(max-width:480px){#help-page .hdd-search-item{grid-template-columns:minmax(0,1fr) 14px;row-gap:2px}#help-page .hdd-item-title{grid-column:1;grid-row:1}#help-page .hdd-category{grid-column:1;grid-row:2;max-width:none}#help-page .hdd-item-arrow{grid-column:2;grid-row:1/3}#help-page .hdd-search-videos .video-card-title{min-height:0}}
@media(prefers-reduced-motion:reduce){#help-page .hdd-search-filter{transition:none}}