/* 原站图文列表与正文；统一头尾，正文区域不使用教程目录。 */
body.hdd-articles-site .site-header:not(.is-scrolled){background:#fff;border-bottom:1px solid #edf0f6}
#help-page.hdd-editorial{background:var(--hdd-canvas);color:var(--hdd-text);min-height:70vh}
#help-page .hdd-editorial-wrap{max-width:1308px;margin:0 auto;padding:30px 24px 64px}
#help-page .hdd-editorial-crumbs{font-size:12px;color:var(--hdd-muted);line-height:1.8;margin:0 0 24px;overflow-wrap:anywhere}
#help-page .hdd-editorial-crumbs a:hover{color:var(--hdd-link-hover)}
#help-page .hdd-list-heading{display:flex;justify-content:space-between;align-items:center;gap:35px;margin-bottom:28px}
#help-page .hdd-list-heading-copy{min-width:0;flex:1}
#help-page .hdd-editorial-eyebrow{display:flex;align-items:center;gap:8px;font-size:11px;letter-spacing:2px;color:var(--hdd-link);margin:0 0 10px}
#help-page .hdd-editorial-eyebrow::before{content:"";display:block;width:17px;height:2px;background:#6591e5}
#help-page .hdd-list-heading h1{font-size:32px;line-height:1.5;font-weight:650;color:var(--hdd-text);margin:0 0 10px;overflow-wrap:anywhere}
#help-page .hdd-list-intro{font-size:14px;line-height:1.9;color:var(--hdd-body);max-width:670px}
#help-page .hdd-list-heading .search-shell{width:340px;max-width:100%;margin:0;flex-shrink:0}
#help-page .hdd-list-heading .search-form{height:46px;box-shadow:none}
#help-page .hdd-list-heading .search-input{font-size:13px}
#help-page .hdd-list-heading .search-submit{width:33px;height:33px}
#help-page .hdd-article-categories{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 25px}
#help-page .hdd-article-categories a{padding:7px 17px;border:1px solid #e0e7f2;background:#fff;border-radius:6px;color:var(--hdd-body);font-size:13px;line-height:1.7}
#help-page .hdd-article-categories .is-current{background:var(--hdd-brand-pale);color:var(--hdd-link);border-color:var(--hdd-brand-line)}
#help-page .hdd-story-list{display:flex;flex-direction:column;gap:16px}
#help-page .hdd-story{display:grid;grid-template-columns:208px minmax(0,1fr);gap:29px;padding:22px;background:#fff;border:1px solid #e6ebf3;border-radius:11px;transition:border-color .18s,box-shadow .18s}
#help-page .hdd-story:hover{border-color:#c2d3ee;box-shadow:0 5px 20px #20447606}
#help-page .hdd-story-cover{display:block;aspect-ratio:16/10;border-radius:7px;overflow:hidden;background:var(--hdd-brand-pale);align-self:center}
#help-page .hdd-story-cover picture,#help-page .hdd-story-cover img{display:block;width:100%;height:100%}
#help-page .hdd-story-cover img{object-fit:cover;transition:transform .25s}
#help-page .hdd-story:hover .hdd-story-cover img{transform:scale(1.025)}
#help-page .hdd-story-copy{display:flex;flex-direction:column;justify-content:center;min-width:0;gap:11px}
#help-page .hdd-story-copy h2{font-size:19px;line-height:1.65;font-weight:600;color:#2d3b52;overflow-wrap:anywhere;margin:0}
#help-page .hdd-story:hover h2{color:var(--hdd-link-hover)}
#help-page .hdd-story-copy p{font-size:13px;line-height:1.9;color:#8a95a5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
#help-page .hdd-story-copy p:empty{display:none}
#help-page .hdd-story-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:11px;color:#9aa5b4;line-height:1.8;margin-top:2px}
#help-page .hdd-story-read{font-size:12px;color:#7391bf;white-space:nowrap}
#help-page .hdd-story-read span{padding-left:7px}
#help-page.hdd-editorial .hdd-pagination{justify-content:center;margin:30px 0 0}
#help-page .hdd-editorial-empty{padding:55px 22px;text-align:center;background:#fff;border:1px solid #e6ebf3;border-radius:10px;color:#8a96aa;font-size:14px}
#help-page .hdd-article-wrap{max-width:1308px}
#help-page .hdd-article-paper{background:#fff;border:1px solid #e7ecf4;border-radius:12px;padding:43px 64px 35px;min-width:0}
#help-page .hdd-article-category{display:inline-flex;color:#4c79c1;background:var(--hdd-brand-pale);padding:4px 11px;border-radius:4px;font-size:12px;line-height:1.8;margin:0 0 17px}
#help-page .hdd-article-title{font-size:30px;line-height:1.6;font-weight:650;color:#26364e;letter-spacing:.2px;margin:0 0 17px;overflow-wrap:anywhere}
#help-page .hdd-article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:12px;color:#98a3b3;line-height:1.8;padding-bottom:24px;border-bottom:1px solid #edf0f5}
#help-page .hdd-article-summary{margin:26px 0 32px;padding:17px 21px;border-left:3px solid #a9c4ef;background:var(--hdd-brand-soft);border-radius:0 6px 6px 0;color:#75859a;font-size:14px;line-height:1.95;overflow-wrap:anywhere}
#help-page .hdd-article-paper .hdd-article-body{margin-top:30px;font-size:16px;line-height:2;color:#4d5d73;overflow-wrap:anywhere}
#help-page .hdd-article-paper .hdd-article-body h2{font-size:23px;line-height:1.6;margin:35px 0 16px;color:#293b55}
#help-page .hdd-article-paper .hdd-article-body h3{font-size:18px;line-height:1.7;margin:26px 0 13px;color:#344963}
#help-page .hdd-article-paper .hdd-article-body p{margin:17px 0}
#help-page .hdd-article-paper .hdd-article-body figure{margin:25px 0}
#help-page .hdd-article-paper .hdd-article-body img{height:auto!important;max-width:100%;border-radius:6px;margin-left:auto;margin-right:auto}
#help-page .hdd-article-paper .hdd-article-body figcaption{font-size:12px;color:#9aa5b5;text-align:center;margin-top:9px;line-height:1.8}
#help-page .hdd-article-paper .hdd-article-body iframe,#help-page .hdd-article-paper .hdd-article-body video{max-width:100%}
#help-page .hdd-article-paper .hdd-article-body blockquote{margin:24px 0;padding:12px 20px;border-left:3px solid #bfd0eb;background:#f8faff;color:#77869d}
#help-page .hdd-article-paper .hdd-article-body ul,#help-page .hdd-article-paper .hdd-article-body ol{padding-left:25px;margin:18px 0}
#help-page .hdd-article-paper .hdd-article-body li{margin:7px 0}
#help-page .hdd-article-paper .hdd-article-body pre{font-size:13px}
#help-page .hdd-article-bottom{display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap;border-top:1px solid #edf0f5;margin-top:36px;padding-top:22px}
#help-page .hdd-article-return{font-size:13px;color:#5382ce}
#help-page .hdd-article-bottom .article-tools{display:flex;align-items:center;gap:12px;margin:0}
#help-page .hdd-article-bottom .tool-button{font-size:12px;padding:7px 13px;line-height:1.7;border:1px solid #dfe6f0;border-radius:5px;color:#8191a8;background:#fff}
#help-page .hdd-article-bottom .feedback-status{font-size:11px;color:#8293ab}
#help-page .hdd-article-adjacent{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:20px 0;padding:23px 26px;background:#fff;border:1px solid #e7ecf4;border-radius:10px}
#help-page .hdd-article-adjacent>div{min-width:0;color:#a0aabb;font-size:12px;line-height:1.9;overflow-wrap:anywhere}
#help-page .hdd-article-adjacent>div+div{border-left:1px solid #edf0f5;padding-left:20px}
#help-page .hdd-article-adjacent .hdd-adjacent-label{display:block;font-size:11px;color:#a5afbd;margin-bottom:7px}
#help-page .hdd-article-adjacent a{color:#647892;font-size:13px}
#help-page .hdd-article-adjacent a:hover{color:var(--hdd-link-hover)}
#help-page .hdd-article-related{margin-top:25px}
#help-page .hdd-related-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}
#help-page .hdd-related-heading h2{font-size:18px;color:#34475f;font-weight:600}
#help-page .hdd-related-heading>a{font-size:12px;color:#8a9bb2}
#help-page .hdd-related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 30px;padding:7px 24px;background:#fff;border:1px solid #e7ecf4;border-radius:10px}
#help-page .hdd-related-grid>a{display:flex;align-items:center;gap:11px;padding:19px 0;border-bottom:1px solid #eef1f6;color:#8d9bb0;min-width:0}
#help-page .hdd-related-grid>a:nth-last-child(-n+2){border-bottom:0}
#help-page .hdd-related-grid h3{font-size:13px;line-height:1.85;font-weight:400;margin:0;color:#61748e;flex:1;min-width:0;overflow-wrap:anywhere}
#help-page .hdd-related-grid>a:hover h3{color:var(--hdd-link-hover)}
#help-page .hdd-related-dot{display:block;width:4px;height:4px;border-radius:50%;background:#9fb3d3;flex-shrink:0}
@media(max-width:900px){#help-page .hdd-list-heading{display:block}#help-page .hdd-list-heading .search-shell{margin-top:22px;width:430px}#help-page .hdd-story{grid-template-columns:185px minmax(0,1fr);gap:22px}#help-page .hdd-story-copy h2{font-size:17px}#help-page .hdd-article-paper{padding:32px 35px}#help-page .hdd-article-title{font-size:27px}}
@media(max-width:650px){#help-page .hdd-editorial-wrap{padding:23px 16px 42px}#help-page .hdd-editorial-crumbs{margin-bottom:19px;font-size:11px}#help-page .hdd-list-heading h1{font-size:27px}#help-page .hdd-list-intro{font-size:13px}#help-page .hdd-list-heading{margin-bottom:23px}#help-page .hdd-article-categories{gap:7px;margin-bottom:19px}#help-page .hdd-article-categories a{padding:6px 12px;font-size:12px}#help-page .hdd-story{grid-template-columns:112px minmax(0,1fr);padding:15px;gap:15px}#help-page .hdd-story-cover{aspect-ratio:1/1}#help-page .hdd-story-copy{gap:8px}#help-page .hdd-story-copy h2{font-size:14px;line-height:1.7}#help-page .hdd-story-copy p{font-size:11px;line-height:1.8;-webkit-line-clamp:1}#help-page .hdd-story-meta{font-size:10px;gap:8px;flex-wrap:wrap}#help-page .hdd-story-read{font-size:10px}#help-page .hdd-article-paper{padding:26px 22px;border-radius:9px}#help-page .hdd-article-title{font-size:23px;line-height:1.65}#help-page .hdd-article-meta{font-size:11px;gap:12px;padding-bottom:20px}#help-page .hdd-article-summary{padding:14px 16px;font-size:13px;margin:22px 0}#help-page .hdd-article-paper .hdd-article-body{font-size:15px;margin-top:24px}#help-page .hdd-article-paper .hdd-article-body h2{font-size:20px}#help-page .hdd-article-paper .hdd-article-body h3{font-size:17px}#help-page .hdd-article-adjacent{grid-template-columns:1fr;padding:20px 22px;gap:16px}#help-page .hdd-article-adjacent>div+div{border-left:0;border-top:1px solid #edf0f5;padding:16px 0 0}#help-page .hdd-related-grid{grid-template-columns:1fr;padding:5px 21px}#help-page .hdd-related-grid>a:nth-last-child(2){border-bottom:1px solid #eef1f6}#help-page .hdd-article-bottom{gap:18px}}
@media(max-width:380px){#help-page .hdd-story{grid-template-columns:84px minmax(0,1fr);gap:12px;padding:13px}#help-page .hdd-story-copy p{display:none}#help-page .hdd-story-read{display:none}#help-page .hdd-article-paper{padding:23px 17px}}
#help-page .hdd-info-hero{background:linear-gradient(115deg,var(--hdd-brand-pale) 0%,#f4f8ff 62%,var(--hdd-brand-pale) 100%);border-bottom:1px solid #e5ebf7}
#help-page .hdd-info-hero-inner{max-width:1308px;margin:auto;padding:48px 24px 47px;display:grid;grid-template-columns:minmax(0,1fr) 370px;align-items:center;gap:65px}
#help-page .hdd-info-hero h1{font-size:36px;line-height:1.55;font-weight:650;letter-spacing:.5px;color:#283d60;margin:0 0 13px;overflow-wrap:anywhere}
#help-page .hdd-info-hero p{font-size:14px;line-height:1.9;color:#8292a9;max-width:590px}
#help-page .hdd-info-hero .search-shell{margin:0}
#help-page .hdd-info-hero .search-form{box-shadow:0 8px 25px #31558c08;height:50px}
#help-page .hdd-info-hero .search-input{font-size:13px}
#help-page .hdd-info-portals{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0 0 36px}
#help-page .hdd-info-portals>a{display:flex;align-items:center;gap:13px;padding:22px 18px;background:#fff;border:1px solid #e5ebf4;border-radius:10px;min-width:0}
#help-page .hdd-info-portal-icon{width:39px;height:39px;display:flex;align-items:center;justify-content:center;background:var(--hdd-brand-pale);border-radius:10px;flex-shrink:0}
#help-page .hdd-info-portal-icon img{width:21px;height:21px}
#help-page .hdd-info-portals strong{display:block;font-size:16px;font-weight:600;line-height:1.5;color:#425a79}
#help-page .hdd-info-portals small{display:block;font-size:10px;color:#9aa6b7;margin-top:5px;line-height:1.7}
#help-page .hdd-info-portal-arrow{margin-left:auto;color:#a3b4cb;font-size:22px}
#help-page .hdd-info-portals>a:hover{border-color:#c2d4ef}
#help-page .hdd-info-section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:19px}
#help-page .hdd-info-section-head h2{font-size:21px;font-weight:600;color:#324763;line-height:1.6;margin:0}
#help-page .hdd-info-section-head>span,#help-page .hdd-info-section-head>a{font-size:12px;color:#91a0b5}
#help-page .hdd-info-section-head>a:hover{color:var(--hdd-link-hover)}
#help-page .hdd-info-latest-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
#help-page .hdd-info-card{display:flex;flex-direction:column;border:1px solid #e2e9f4;border-radius:11px;overflow:hidden;background:#fff;min-width:0}
#help-page .hdd-info-card-image{display:block;aspect-ratio:16/9;background:var(--hdd-brand-pale);overflow:hidden}
#help-page .hdd-info-card-image picture,#help-page .hdd-info-card-image img{display:block;width:100%;height:100%}
#help-page .hdd-info-card-image img{object-fit:cover}
#help-page .hdd-info-card-copy{padding:19px 22px 22px;display:flex;flex-direction:column;flex:1}
#help-page .hdd-info-card-category{font-size:10px;color:#6d91c7;letter-spacing:.5px;margin-bottom:9px}
#help-page .hdd-info-card h3{font-size:16px;line-height:1.75;color:#3c4f6d;font-weight:500;margin:0 0 16px;overflow-wrap:anywhere;flex:1}
#help-page .hdd-info-card time{font-size:11px;color:#a3afbf}
#help-page .hdd-info-card:hover{border-color:#b7cdec}
#help-page .hdd-info-card:hover h3{color:var(--hdd-link-hover)}
#help-page .hdd-info-sections{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:36px}
#help-page .hdd-info-section{padding:24px 26px 13px;border:1px solid #e5ebf4;background:#fff;border-radius:11px}
#help-page .hdd-info-section .hdd-info-section-head{margin-bottom:6px}
#help-page .hdd-info-section .hdd-info-section-head h2{font-size:18px}
#help-page .hdd-info-section-list>a{display:flex;gap:11px;align-items:center;border-bottom:1px solid #edf1f6;padding:17px 0;min-width:0;color:#a3b2c6}
#help-page .hdd-info-section-list>a:last-child{border-bottom:0}
#help-page .hdd-info-section-list h3{font-size:13px;line-height:1.85;font-weight:400;margin:0;flex:1;min-width:0;overflow-wrap:anywhere;color:#60748e}
#help-page .hdd-info-section-list>a:hover h3{color:var(--hdd-link-hover)}
#help-page .hdd-info-empty{font-size:13px;color:#9da9bb;padding:24px 0 18px}
@media(max-width:1000px){#help-page .hdd-info-portals{grid-template-columns:repeat(2,minmax(0,1fr))}#help-page .hdd-info-hero-inner{gap:35px;grid-template-columns:minmax(0,1fr) 320px}#help-page .hdd-info-hero h1{font-size:31px}}
@media(max-width:760px){#help-page .hdd-info-hero-inner{display:block;padding:32px 20px}#help-page .hdd-info-hero h1{font-size:29px}#help-page .hdd-info-hero .search-shell{margin-top:24px;max-width:500px}#help-page .hdd-info-latest-grid{grid-template-columns:1fr;gap:16px}#help-page .hdd-info-card{display:grid;grid-template-columns:130px minmax(0,1fr)}#help-page .hdd-info-card-image{height:100%;aspect-ratio:auto}#help-page .hdd-info-card-copy{padding:16px 18px}#help-page .hdd-info-card h3{font-size:14px;margin-bottom:10px}#help-page .hdd-info-sections{grid-template-columns:1fr;gap:20px;margin-top:28px}#help-page .hdd-info-section{padding:21px 22px 11px}#help-page .hdd-info-portals{gap:12px;margin-bottom:28px}#help-page .hdd-info-portals>a{padding:18px 14px;gap:10px}#help-page .hdd-info-portals small{font-size:9px}#help-page .hdd-info-portals strong{font-size:14px}#help-page .hdd-info-portal-arrow{display:none}}
@media(max-width:420px){#help-page .hdd-info-portals small{display:none}#help-page .hdd-info-portal-icon{width:32px;height:32px}#help-page .hdd-info-card{grid-template-columns:105px minmax(0,1fr)}#help-page .hdd-info-section-head>span{font-size:10px}}
@media(prefers-reduced-motion:reduce){#help-page .hdd-story,#help-page .hdd-story-cover img{transition:none}}

/* 列表与正文补充右侧信息栏，缩短图文行的阅读宽度。 */
#help-page .hdd-content-layout{display:grid;grid-template-columns:minmax(0,1fr) 276px;gap:24px;align-items:start}
#help-page .hdd-content-primary{min-width:0}
#help-page .hdd-article-list-page-title{display:flex;align-items:center;justify-content:space-between;margin:0 0 14px;padding:0 2px;color:var(--hdd-text)}
#help-page .hdd-article-list-page-title h2{font-size:17px;font-weight:600}
#help-page .hdd-article-list-page-title span{font-size:11px;color:var(--hdd-muted)}
#help-page .hdd-content-layout .hdd-story-list{gap:12px}
#help-page .hdd-content-layout .hdd-story{grid-template-columns:166px minmax(0,1fr);gap:21px;padding:19px;border-radius:9px}
#help-page .hdd-content-layout .hdd-story-copy{gap:8px}
#help-page .hdd-content-layout .hdd-story-copy h2{font-size:17px;line-height:1.7}
#help-page .hdd-content-layout .hdd-story-copy p{font-size:12px;line-height:1.85}
#help-page .hdd-content-layout .hdd-story-meta{font-size:10px}
#help-page .hdd-content-layout .hdd-article-paper{padding:32px 37px}
#help-page .hdd-content-layout .hdd-article-title{font-size:27px}
#help-page .hdd-editorial-rail{display:flex;flex-direction:column;gap:18px;min-width:0}
#help-page .hdd-rail-card{padding:20px 21px;background:#fff;border:1px solid var(--hdd-line);border-radius:10px}
#help-page .hdd-rail-card h2{font-size:16px;font-weight:600;line-height:1.6;color:var(--hdd-text);margin:0}
#help-page .hdd-rail-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}
#help-page .hdd-rail-heading>a{font-size:11px;color:var(--hdd-link)}
#help-page .hdd-rail-categories{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:15px}
#help-page .hdd-rail-categories a{display:flex;align-items:center;gap:7px;padding:10px 8px;background:#f7f9fd;border:1px solid #ecf1f8;border-radius:6px;font-size:11px;color:var(--hdd-body);white-space:nowrap}
#help-page .hdd-rail-categories .hdd-ui-icon{width:14px;height:14px}
#help-page .hdd-rail-categories a>span:last-child{margin-left:auto;color:var(--hdd-muted)}
#help-page .hdd-rail-categories .is-current{background:var(--hdd-brand-pale);color:var(--hdd-link);border-color:var(--hdd-brand-line)}
#help-page .hdd-rail-stories{counter-reset:rail;list-style:none;padding:0;margin:8px 0 0}
#help-page .hdd-rail-stories li{counter-increment:rail;display:flex;gap:11px;padding:15px 0;border-bottom:1px solid #eef2f7}
#help-page .hdd-rail-stories li:last-child{padding-bottom:0;border-bottom:0}
#help-page .hdd-rail-stories li::before{content:counter(rail,decimal-leading-zero);font-size:12px;color:var(--hdd-muted);font-weight:600;padding-top:1px;font-variant-numeric:tabular-nums}
#help-page .hdd-rail-stories a{display:block;flex:1;min-width:0}
#help-page .hdd-rail-stories h3{font-size:12px;line-height:1.8;color:var(--hdd-text);font-weight:400;margin:0;overflow-wrap:anywhere}
#help-page .hdd-rail-stories a>span{display:flex;justify-content:space-between;gap:8px;font-size:10px;color:var(--hdd-muted);line-height:1.7;margin-top:7px}
#help-page .hdd-rail-stories a:hover h3{color:var(--hdd-link-hover)}
#help-page .hdd-rail-service{border:1px solid var(--hdd-brand-line);background:linear-gradient(125deg,var(--hdd-brand-pale),var(--hdd-brand-soft));border-radius:10px;padding:24px 21px}
#help-page .hdd-rail-service>img{object-fit:contain;margin:0 0 15px}
#help-page .hdd-rail-service h2{font-size:19px;color:var(--hdd-text);font-weight:600;line-height:1.6;margin:0 0 8px}
#help-page .hdd-rail-service p{font-size:12px;line-height:1.9;color:var(--hdd-body);margin:0}
#help-page .hdd-service-features{display:flex;gap:6px;flex-wrap:wrap;margin:16px 0 20px}
#help-page .hdd-service-features span{font-size:10px;background:#ffffffb3;color:var(--hdd-link);border:1px solid var(--hdd-brand-line);padding:4px 6px;border-radius:4px}
#help-page .hdd-service-register{display:flex;justify-content:center;align-items:center;gap:17px;color:#fff;background:var(--hdd-brand);border-radius:6px;padding:11px;font-size:13px}
#help-page .hdd-service-register:hover{background:var(--hdd-brand-strong)}
#help-page .hdd-service-help{display:block;text-align:center;color:var(--hdd-link);font-size:11px;margin-top:12px}
#help-page .hdd-reading-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:14px}
#help-page .hdd-reading-card{display:grid;grid-template-columns:96px minmax(0,1fr);gap:14px;padding:15px;border:1px solid #e3eaf4;border-radius:9px;background:#fff;align-items:center;min-width:0}
#help-page .hdd-reading-cover{display:block;aspect-ratio:4/3;border-radius:6px;overflow:hidden;background:var(--hdd-brand-pale)}
#help-page .hdd-reading-cover picture,#help-page .hdd-reading-cover img{display:block;width:100%;height:100%;object-fit:cover}
#help-page .hdd-reading-copy{display:block;min-width:0}
#help-page .hdd-reading-copy h3{font-size:13px;line-height:1.8;font-weight:500;color:var(--hdd-text);margin:0 0 8px;overflow-wrap:anywhere}
#help-page .hdd-reading-copy time{font-size:10px;color:var(--hdd-muted)}
#help-page .hdd-reading-card:hover{border-color:var(--hdd-brand-line)}
@media(max-width:1050px){#help-page .hdd-content-layout{grid-template-columns:minmax(0,1fr) 242px;gap:19px}#help-page .hdd-content-layout .hdd-story{grid-template-columns:128px minmax(0,1fr);padding:16px;gap:16px}#help-page .hdd-content-layout .hdd-story-copy h2{font-size:15px}#help-page .hdd-rail-card{padding:18px 16px}#help-page .hdd-rail-categories{grid-template-columns:1fr}#help-page .hdd-content-layout .hdd-article-paper{padding:28px 26px}#help-page .hdd-content-layout .hdd-article-title{font-size:24px}}
@media(max-width:820px){#help-page .hdd-content-layout{grid-template-columns:minmax(0,1fr)}#help-page .hdd-editorial-rail{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;margin-top:10px}#help-page .hdd-rail-card:has(.hdd-rail-categories){grid-column:1/-1}#help-page .hdd-rail-categories{grid-template-columns:repeat(4,minmax(0,1fr))}#help-page .hdd-content-layout .hdd-story{grid-template-columns:166px minmax(0,1fr);padding:19px;gap:21px}}
@media(max-width:560px){#help-page .hdd-content-layout .hdd-story{grid-template-columns:104px minmax(0,1fr);padding:15px;gap:14px}#help-page .hdd-content-layout .hdd-story-copy h2{font-size:14px}#help-page .hdd-content-layout .hdd-story-copy p{font-size:11px}#help-page .hdd-content-layout .hdd-article-paper{padding:25px 20px}#help-page .hdd-content-layout .hdd-article-title{font-size:22px}#help-page .hdd-editorial-rail{grid-template-columns:minmax(0,1fr)}#help-page .hdd-rail-categories{grid-template-columns:repeat(2,minmax(0,1fr))}#help-page .hdd-rail-service{padding:22px}#help-page .hdd-content-layout .hdd-story-cover{aspect-ratio:1/1}}

#help-page.hdd-editorial :is(.hdd-related-heading>a,.hdd-article-return,.hdd-rail-heading>a,.hdd-service-help,.hdd-story-read){color:var(--hdd-link)}
#help-page.hdd-editorial :is(.hdd-related-heading>a,.hdd-article-return,.hdd-rail-heading>a,.hdd-service-help):is(:hover,:focus-visible){color:var(--hdd-link-hover);text-decoration:underline;text-underline-offset:4px}
#help-page.hdd-editorial :is(.hdd-reading-card,.hdd-rail-stories a):is(:hover,:focus-visible) h3{color:var(--hdd-link-hover)}
#help-page.hdd-editorial .hdd-service-register{border-radius:10px;background:linear-gradient(105deg,var(--hdd-brand),var(--hdd-brand-strong));font-size:14px;font-weight:600;min-height:44px}
#help-page.hdd-editorial .hdd-service-register:is(:hover,:focus-visible){color:#fff;background:var(--hdd-brand-strong)}

/* 程序 list.var：空封面不输出图片列；加载失败也收起图片列。 */
#help-page .hdd-story.no-thumb,#help-page .hdd-content-layout .hdd-story.no-thumb{grid-template-columns:minmax(0,1fr)}
#help-page .hdd-story.no-thumb .hdd-story-cover{display:none}
#help-page .hdd-story .hdd-story-copy h2{color:var(--hdd-text)}
#help-page .hdd-story .hdd-story-copy p{color:var(--hdd-body)}
#help-page .hdd-story .hdd-story-meta{justify-content:flex-start;flex-wrap:wrap;gap:6px 16px;color:var(--hdd-muted)}
#help-page .hdd-story .hdd-story-meta .tag{padding:1px 8px;border-radius:4px;color:var(--hdd-link);background:var(--hdd-brand-pale);border:1px solid var(--hdd-brand-line)}
#help-page .hdd-story:is(:hover,:focus-within) h2 a{color:var(--hdd-link)}
#help-page .hdd-story h2 a:is(:hover,:focus-visible){color:var(--hdd-link-hover);text-decoration:underline;text-underline-offset:4px}

/* 视觉整理：文字更易读，卡片与侧栏采用一致的间距。 */
#help-page .hdd-editorial-wrap{max-width:1308px;padding-top:28px}
#help-page .hdd-editorial-crumbs{font-size:13px;margin-bottom:20px}
#help-page .hdd-editorial-eyebrow{font-size:12px;letter-spacing:1px}
#help-page .hdd-editorial-eyebrow::before{background:var(--hdd-brand)}
#help-page .hdd-list-heading{gap:28px;margin-bottom:24px}
#help-page .hdd-list-heading .search-form{height:48px;border-radius:10px;border-color:var(--hdd-line);gap:8px;padding:0 5px 0 13px}
#help-page .hdd-list-heading .search-input{font-size:14px}
#help-page .hdd-list-heading .search-submit{width:38px;height:38px;border-radius:8px}
#help-page .hdd-list-heading .search-form:focus-within{border-color:var(--hdd-brand);box-shadow:0 0 0 3px rgba(49,143,252,.10)}
#help-page .hdd-article-categories{gap:8px;margin-bottom:24px}
#help-page .hdd-article-categories a{font-size:14px;border-radius:8px;min-height:40px;display:inline-flex;align-items:center}
#help-page .hdd-article-categories a:is(:hover,:focus-visible){color:var(--hdd-brand);background:var(--hdd-brand-pale);border-color:var(--hdd-brand-line)}
#help-page .hdd-article-list-page-title h2{font-size:18px}
#help-page .hdd-article-list-page-title span{font-size:12px}
#help-page .hdd-content-layout .hdd-story{grid-template-columns:156px minmax(0,1fr);gap:22px;padding:20px 22px;border-radius:var(--hdd-card-radius);border-color:var(--hdd-line);box-shadow:var(--hdd-card-shadow)}
#help-page .hdd-content-layout .hdd-story-cover{align-self:start;border-radius:8px}
#help-page .hdd-content-layout .hdd-story-copy{gap:9px}
#help-page .hdd-content-layout .hdd-story-copy h2{font-size:18px;line-height:1.65}
#help-page .hdd-content-layout .hdd-story-copy p{font-size:14px;line-height:1.8}
#help-page .hdd-content-layout .hdd-story-meta{font-size:12px;gap:6px 14px}
#help-page .hdd-content-layout .hdd-story-meta .tag{color:var(--hdd-body);background:#f3f6fa;border-color:var(--hdd-line);padding:1px 8px}
#help-page .hdd-content-layout .hdd-story:is(:hover,:focus-within){border-color:var(--hdd-brand-line);box-shadow:var(--hdd-card-hover-shadow)}
#help-page .hdd-content-layout .hdd-story.no-thumb{grid-template-columns:minmax(0,1fr)}
#help-page .hdd-content-layout .hdd-story.no-thumb .hdd-story-copy{gap:10px}
#help-page .hdd-rail-card,#help-page .hdd-rail-service,#help-page .hdd-reading-card,#help-page .hdd-article-adjacent{border-radius:var(--hdd-card-radius);box-shadow:var(--hdd-card-shadow)}
#help-page .hdd-rail-card{padding:20px}
#help-page .hdd-rail-card h2{font-size:17px}
#help-page .hdd-rail-heading>a,#help-page .hdd-service-help{font-size:13px}
#help-page .hdd-rail-categories a{font-size:13px;min-height:40px;padding:9px 8px}
#help-page .hdd-rail-categories a:is(:hover,:focus-visible){color:var(--hdd-brand);background:var(--hdd-brand-pale);border-color:var(--hdd-brand-line)}
#help-page .hdd-rail-stories li{padding:14px 0;gap:10px}
#help-page .hdd-rail-stories h3{font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
#help-page .hdd-rail-stories a>span{font-size:12px;margin-top:6px}
#help-page .hdd-rail-service p{font-size:14px;line-height:1.85}
#help-page .hdd-service-features span{font-size:11px;color:var(--hdd-body);padding:4px 6px}
#help-page .hdd-reading-copy h3{font-size:14px;line-height:1.75}
#help-page .hdd-reading-copy time{font-size:12px}
#help-page .hdd-reading-card:is(:hover,:focus-within){border-color:var(--hdd-brand-line);box-shadow:var(--hdd-card-hover-shadow)}
#help-page .hdd-article-category{font-size:13px;color:var(--hdd-brand);border-radius:6px}
#help-page .hdd-article-meta{font-size:13px;color:var(--hdd-muted)}
#help-page .hdd-article-summary{font-size:15px;color:var(--hdd-body);border-left-color:var(--hdd-brand);line-height:1.9}
#help-page .hdd-article-paper .hdd-article-body{color:var(--hdd-body);line-height:1.95}
#help-page .hdd-article-paper .hdd-article-body figcaption{color:var(--hdd-muted);font-size:13px}
#help-page .hdd-article-adjacent .hdd-adjacent-label{color:var(--hdd-muted);font-size:12px}
#help-page .hdd-article-adjacent a{color:var(--hdd-text);font-size:14px}
#help-page .hdd-article-adjacent a:is(:hover,:focus-visible){color:var(--hdd-brand)}
#help-page .hdd-related-heading>a,#help-page .hdd-article-return{font-size:14px}
#help-page.hdd-editorial .hdd-pagination a,#help-page.hdd-editorial .hdd-pagination b{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;border-radius:8px;background:#fff}
#help-page.hdd-editorial .hdd-pagination b{background:var(--hdd-brand);border-color:var(--hdd-brand);color:#fff}
#help-page.hdd-editorial .hdd-pagination a:is(:hover,:focus-visible){border-color:var(--hdd-brand);color:var(--hdd-brand);background:var(--hdd-brand-pale)}
#help-page .hdd-editorial-empty{color:var(--hdd-muted);border-color:var(--hdd-line);border-radius:var(--hdd-card-radius);line-height:1.9}
@media(max-width:1050px){#help-page .hdd-content-layout .hdd-story{grid-template-columns:132px minmax(0,1fr);padding:18px;gap:18px}#help-page .hdd-content-layout .hdd-story-copy h2{font-size:17px}#help-page .hdd-rail-card{padding:18px}}
@media(max-width:820px){#help-page .hdd-content-layout .hdd-story{grid-template-columns:156px minmax(0,1fr);padding:20px;gap:20px}}
@media(max-width:600px){#help-page .hdd-editorial-wrap{padding:22px 16px 40px}#help-page .hdd-editorial-crumbs{font-size:12px;margin-bottom:17px}#help-page .hdd-list-heading h1{font-size:28px}#help-page .hdd-list-heading .search-shell{width:100%;margin-top:18px}#help-page .hdd-list-heading .search-input{font-size:16px}#help-page .hdd-content-layout .hdd-story{grid-template-columns:92px minmax(0,1fr);padding:16px;gap:14px}#help-page .hdd-content-layout .hdd-story-copy h2{font-size:16px;line-height:1.65}#help-page .hdd-content-layout .hdd-story-copy p{font-size:13px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2}#help-page .hdd-content-layout .hdd-story-meta{font-size:12px;gap:5px 10px}#help-page .hdd-content-layout .hdd-story-cover{aspect-ratio:1/1}#help-page .hdd-content-layout .hdd-story.no-thumb{grid-template-columns:minmax(0,1fr)}#help-page .hdd-article-categories a{font-size:13px;padding:6px 12px}#help-page .hdd-article-list-page-title span{font-size:12px}#help-page .hdd-content-layout .hdd-article-paper{padding:25px 20px}#help-page .hdd-article-summary{font-size:14px;padding:14px 16px}#help-page .hdd-article-meta{font-size:12px}#help-page .hdd-reading-card{grid-template-columns:84px minmax(0,1fr);padding:14px;gap:12px}#help-page .hdd-rail-categories{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){#help-page .hdd-story,#help-page .hdd-story-cover img{transition:none}#help-page .hdd-story:hover .hdd-story-cover img{transform:none}}
@media(max-width:600px){#help-page .hdd-content-layout .hdd-story-copy h2 a{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}}

/* 窄屏资讯列表与文章：长标题不挤压封面，正文工具允许换行。 */
@media(max-width:600px){
  #help-page .hdd-editorial-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px 7px;line-height:1.8}
  #help-page .hdd-editorial-crumbs a{flex:0 0 auto;max-width:100%;overflow-wrap:anywhere}
  #help-page .hdd-article-meta,#help-page .hdd-article-bottom,#help-page .hdd-related-heading{flex-wrap:wrap;gap:10px 14px}
  #help-page .hdd-article-bottom>*{min-width:0}
  #help-page .hdd-list-heading .search-shell{max-width:100%}
  #help-page .hdd-content-primary,#help-page .hdd-article-paper,#help-page .hdd-article-body{min-width:0}
}
@media(max-width:400px){
  #help-page .hdd-content-layout .hdd-story:not(.no-thumb){grid-template-columns:76px minmax(0,1fr);padding:12px;gap:12px}
  #help-page .hdd-content-layout .hdd-story-copy h2{font-size:15px}
  #help-page .hdd-content-layout .hdd-story-meta{font-size:11px;flex-wrap:wrap}
  #help-page .hdd-content-layout .hdd-article-paper{padding:20px 16px}
  #help-page .hdd-reading-card{grid-template-columns:68px minmax(0,1fr);padding:12px;gap:10px}
}