/* 栏目分层：帮助首页、栏目聚合、末级列表。 */
#help-page.hdd-category-page{background:#f6f8fc}
#help-page .hdd-category-wrap{max-width:1308px;margin:0 auto;padding:30px 24px 64px}
#help-page .hdd-category-heading{padding:28px 32px;background:linear-gradient(110deg,#edf3ff,#f8fbff);border:1px solid #e4eaf5;border-radius:14px;margin-bottom:26px}
#help-page .hdd-category-heading .breadcrumbs{font-size:12px;flex-wrap:wrap;margin-bottom:19px;line-height:1.6}
#help-page .hdd-category-heading h1{font-size:30px;line-height:1.4;margin:0 0 11px;color:#23334c;font-weight:650}
#help-page .hdd-category-intro{max-width:740px;font-size:14px;line-height:1.9;margin:0;color:#7c899c}
#help-page .hdd-category-heading .search-shell{max-width:560px;margin-top:22px}
#help-page .hdd-category-heading .search-form{border:1px solid #dce5f4;box-shadow:none;height:46px;background:#fff}
#help-page .hdd-category-heading .search-input{font-size:14px}
#help-page .hdd-category-heading .search-submit{width:34px;height:34px;border-radius:6px}
#help-page .hdd-category-jumps{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0 0}
#help-page .hdd-category-jumps a{padding:8px 14px;background:#ffffffb8;border:1px solid #dbe5f5;border-radius:6px;font-size:13px;color:#506b99;line-height:1.5}
#help-page .hdd-category-jumps a:hover{background:#fff;color:#2862d6;border-color:#a7c0ef}
#help-page .hdd-category-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
#help-page .hdd-category-group{background:#fff;border:1px solid #e5eaf3;border-radius:11px;overflow:hidden;scroll-margin-top:90px}
#help-page .hdd-category-group-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:23px 24px 12px}
#help-page .hdd-category-group-head h2{display:flex;align-items:center;gap:10px;font-size:18px;line-height:1.6;margin:0;color:#2a3b54;font-weight:600}
#help-page .hdd-category-group-head .hdd-ui-icon{width:21px;height:21px}
#help-page .hdd-category-more{font-size:12px;color:#8795a9;white-space:nowrap;line-height:1.8}
#help-page .hdd-category-more:hover{color:#2862d6}
#help-page .hdd-category-entries{padding:0 24px 17px}
#help-page .hdd-category-entry{display:flex;align-items:center;gap:11px;min-height:52px;padding:13px 2px;border-bottom:1px solid #f0f2f7;color:#526174}
#help-page .hdd-category-entry:last-child{border-bottom:0}
#help-page .hdd-category-entry h3{font-size:14px;font-weight:400;line-height:1.75;margin:0;flex:1;min-width:0;overflow-wrap:anywhere}
#help-page .hdd-entry-dot{width:4px;height:4px;flex-shrink:0;border-radius:50%;background:#a7b5ca}
#help-page .hdd-entry-arrow{font-size:20px;line-height:1;color:#a3b2c7}
#help-page .hdd-category-entry:hover{color:#2862d6;background:#f8fbff}
#help-page .hdd-question-mark{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:23px;height:23px;border-radius:6px;background:#edf3ff;color:#6387cb;font-size:12px;font-weight:600}
#help-page .hdd-category-groups--video{grid-template-columns:1fr}
#help-page .hdd-category-entries--video{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding-top:12px;padding-bottom:24px}
#help-page .hdd-category-video{display:block;min-width:0;border:1px solid #e7edf6;border-radius:9px;overflow:hidden;background:#fff}
#help-page .hdd-category-poster{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#edf3ff}
#help-page .hdd-category-poster img{display:block;width:100%;height:100%;object-fit:cover}
#help-page .hdd-category-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid #ffffff8f;border-radius:50%;background:#255dc8d9;color:#fff;font-size:17px;padding-left:3px;box-shadow:0 3px 14px #163e8c26}
#help-page .hdd-category-video-label{position:absolute;left:10px;bottom:9px;padding:3px 7px;color:#fff;background:#193e78ba;border-radius:4px;font-size:10px}
#help-page .hdd-category-video h3{font-size:14px;line-height:1.8;font-weight:500;margin:15px 16px 5px;color:#34445d;overflow-wrap:anywhere}
#help-page .hdd-category-video-action{display:block;font-size:11px;color:#96a2b4;margin:0 16px 15px}
#help-page .hdd-category-video:hover{border-color:#a8c3f0;box-shadow:0 5px 16px #4f77b00d}
#help-page .hdd-home-portals{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0 0 35px}
#help-page .hdd-home-portal{display:flex;align-items:center;gap:12px;border:1px solid #e4ebf5;border-radius:10px;padding:21px 17px;background:#fff;min-width:0}
#help-page .hdd-portal-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:38px;height:38px;border-radius:10px;background:#edf3ff}
#help-page .hdd-home-portal strong{display:block;font-size:15px;line-height:1.7;font-weight:600;color:#364762}
#help-page .hdd-home-portal small{display:block;font-size:11px;color:#94a0b2;line-height:1.7;margin-top:4px}
#help-page .hdd-portal-arrow{margin-left:auto;font-size:22px;color:#acb9cc}
#help-page .hdd-home-portal:hover{border-color:#adc5ec}
#help-page.hdd-leaf-page .doc-shell{grid-template-columns:265px minmax(0,1fr)}
#help-page.hdd-leaf-page .doc-main{padding:28px 36px 60px}
#help-page .hdd-leaf-heading{padding:7px 0 25px;border-bottom:1px solid #e9edf4;margin-bottom:16px}
#help-page .hdd-leaf-heading h1{font-size:28px;line-height:1.5;color:#26364f;margin:0 0 9px;font-weight:650}
#help-page .hdd-leaf-heading p{font-size:13px;color:#8490a2;line-height:1.8;margin:0}
#help-page .hdd-leaf-siblings{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 22px}
#help-page .hdd-leaf-siblings a{padding:6px 12px;border-radius:5px;background:#f7f9fc;border:1px solid #e7ecf4;color:#7a889d;font-size:12px;line-height:1.6}
#help-page .hdd-leaf-siblings .is-current{color:#2d63c8;border-color:#d5e2fa;background:#edf3ff}
#help-page .hdd-leaf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}
#help-page .hdd-leaf-item{display:flex;align-items:center;gap:10px;min-height:62px;padding:16px 5px;border-bottom:1px solid #ecf0f6;color:#4e6079;min-width:0}
#help-page .hdd-leaf-item h2{font-size:14px;font-weight:400;line-height:1.85;margin:0;flex:1;min-width:0;overflow-wrap:anywhere}
#help-page .hdd-leaf-item:hover{background:#f7faff;color:#2862d6}
#help-page .hdd-leaf-grid--video{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding-top:12px}
#help-page .hdd-leaf-video{display:block;min-width:0;overflow:hidden;border:1px solid #e5ecf6;border-radius:9px;background:#fff}
#help-page .hdd-leaf-video .hdd-category-poster picture{display:block;width:100%;height:100%}
#help-page .hdd-leaf-video h2{font-size:14px;line-height:1.8;font-weight:500;color:#35455e;margin:14px 15px 17px;overflow-wrap:anywhere}
#help-page .hdd-leaf-video:hover{border-color:#b1c9ee}
#help-page .hdd-leaf-grid--faq{grid-template-columns:1fr}
#help-page .hdd-category-page-empty{padding:40px 24px;text-align:center;color:#8a98ae}
#help-page .hdd-category-group a:focus-visible,#help-page .hdd-category-jumps a:focus-visible,#help-page .hdd-home-portal:focus-visible,#help-page .hdd-leaf-grid a:focus-visible{outline:3px solid #adc5f3;outline-offset:3px}
@media(max-width:1100px){#help-page .hdd-home-portals{grid-template-columns:repeat(2,minmax(0,1fr))}#help-page.hdd-leaf-page .doc-main{padding-left:24px;padding-right:24px}#help-page .hdd-leaf-grid--text{grid-template-columns:1fr}}
@media(max-width:800px){#help-page .hdd-category-groups{grid-template-columns:1fr}#help-page .hdd-category-entries--video{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){#help-page.hdd-leaf-page .doc-shell{display:block}#help-page .hdd-category-wrap{padding:20px 16px 45px}#help-page .hdd-category-heading{padding:22px 21px}#help-page .hdd-category-heading h1{font-size:25px}#help-page.hdd-leaf-page .doc-main{padding:23px 19px 45px}#help-page .hdd-leaf-heading h1{font-size:24px}#help-page .hdd-category-group-head{padding:20px 20px 10px}#help-page .hdd-category-entries{padding-left:20px;padding-right:20px}#help-page .hdd-category-jumps{gap:8px}#help-page .hdd-category-jumps a{font-size:12px;padding:7px 11px}}
@media(max-width:480px){#help-page .hdd-category-entries--video{grid-template-columns:1fr}#help-page .hdd-home-portals{gap:10px}#help-page .hdd-home-portal{padding:16px 12px;gap:9px}#help-page .hdd-home-portal small{display:none}#help-page .hdd-portal-icon{width:31px;height:31px}#help-page .hdd-home-portal strong{font-size:14px}#help-page .hdd-portal-arrow{display:none}#help-page .hdd-leaf-grid--video{grid-template-columns:1fr}#help-page .hdd-category-heading{padding:20px 17px}#help-page .hdd-category-intro{font-size:13px}}

/* 栏目封面复用首页搜索区，保留栏目名称和介绍。 */
#help-page .hdd-category-hero .hc-hero-subtitle{max-width:740px;margin-left:auto;margin-right:auto;overflow-wrap:anywhere}
#help-page .hdd-category-hero .hero-title{overflow-wrap:anywhere}
#help-page .hdd-category-wrap>.breadcrumbs{font-size:12px;line-height:1.8;flex-wrap:wrap;margin-bottom:18px}
#help-page .hdd-category-wrap>.hdd-category-jumps{margin:0 0 26px}
#help-page .hdd-category-wrap>.breadcrumbs a:hover{color:var(--brand)}
#help-page .hdd-category-wrap>.hdd-category-jumps a:hover{color:var(--brand);border-color:var(--brand)}
#help-page .hdd-category-video:hover h3,#help-page .hdd-leaf-video:hover h2{color:var(--brand)}
#help-page .hdd-category-play{background:var(--brand)}
@media(max-width:1100px){#help-page .hdd-category-entries--video,#help-page .hdd-leaf-grid--video{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){#help-page .hdd-category-entries--video,#help-page .hdd-leaf-grid--video{grid-template-columns:1fr}}