:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:#202631;background:#fff;--line:#e7eaf0;--muted:#778190;--surface:#f5f7fa;--accent:#4a45df;color-scheme:light}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,select{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.lucide{width:21px;height:21px;vertical-align:middle;stroke-width:1.7;flex:none}.help-width{max-width:1080px;margin:auto;padding:0 28px}.help-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px max(28px,calc((100vw - 1024px)/2));border-bottom:1px solid var(--line)}.help-brand{display:flex;align-items:center;gap:9px;font-size:25px;font-weight:750;letter-spacing:-1px}.help-brand .lucide{width:30px;height:30px}.help-top>div{display:flex;align-items:center;gap:28px;font-size:14px}.help-top select{max-width:160px;border:1px solid var(--line);border-radius:9px;padding:9px;background:transparent;color:inherit}.help-hero{background:linear-gradient(115deg,#f3f2ff,#f6f9ff);padding:54px 0 48px}.help-eyebrow{color:var(--accent);font-weight:650;font-size:13px;letter-spacing:.02em}.help-hero h1{font-size:40px;letter-spacing:-1px;margin:12px 0}.help-hero p:not(.help-eyebrow){color:var(--muted);line-height:1.6;margin:0 0 26px}.help-hero form{display:flex;align-items:center;gap:12px;background:white;border:1px solid #e0e3ef;border-radius:13px;padding:17px;max-width:750px;box-shadow:0 5px 20px #1c296505}.help-hero input{width:100%;min-width:0;border:0;background:transparent;color:inherit;font-size:16px;outline:none}.help-hero form:focus-within{border-color:var(--accent)}#help-content{padding:32px 0 16px;min-height:260px}.help-collections{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.help-category{position:relative;border:1px solid var(--line);border-radius:15px;padding:24px;transition:background .15s,border-color .15s}.help-category:hover{border-color:#c7c3f6;background:var(--surface)}.help-category>.lucide{color:var(--accent);width:27px;height:27px}.help-category h2{font-size:18px;line-height:1.4;margin:22px 0 8px}.help-category p,.help-collection>p{font-size:13px;color:var(--muted);margin:0}.help-category-arrow{position:absolute;right:22px;top:26px;color:var(--muted)}.help-popular{margin-top:36px}.help-popular h2,#help-content>h2{font-size:20px}.help-list{border:1px solid var(--line);border-radius:14px;overflow:hidden}.help-article-link{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 21px;line-height:1.6;border-bottom:1px solid var(--line)}.help-article-link:last-child{border-bottom:0}.help-article-link:hover{background:var(--surface);color:var(--accent)}.help-article-link .lucide{width:17px;color:var(--muted)}.help-note{display:flex;align-items:flex-start;gap:13px;border-top:1px solid var(--line);margin-top:26px;padding:25px 0;color:var(--muted);font-size:13px;line-height:1.8}.help-note p{margin:0 0 9px}.help-note small{font-size:12px}.help-note>.lucide{margin-top:3px}footer{color:var(--muted);font-size:12px;line-height:1.8;padding-top:6px!important;padding-bottom:30px!important}.help-breadcrumb{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:30px;line-height:1.7}.help-breadcrumb a:hover{color:var(--accent)}.help-collection>h2{font-size:28px;margin:15px 0 8px}.help-collection>.lucide{width:32px;height:32px;color:var(--accent)}.help-collection>.help-list{margin-top:28px}.help-reading{display:grid;grid-template-columns:minmax(0,2.5fr) minmax(220px,1fr);gap:50px}.help-article h2{font-size:32px;line-height:1.4;margin:12px 0 25px;overflow-wrap:anywhere}.help-article>p{font-size:17px;line-height:1.95;margin:0 0 20px}.help-source{display:inline-flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:10px;padding:13px 17px;font-size:14px;color:var(--accent);margin:12px 0}.help-source:hover{background:var(--surface)}.help-related{border-left:1px solid var(--line);padding-left:24px}.help-related h3{font-size:14px;color:var(--muted);margin-top:0}.help-related .help-article-link{padding:13px 0;font-size:14px}.help-empty{padding:24px;color:var(--muted);line-height:1.7}.help-count{color:var(--muted);font-size:14px;margin-left:10px}#help-retry{padding:10px 18px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:inherit}
:root[data-theme=dark]{background:#151a21;color:#e7ebf1;--line:#343d49;--muted:#a6afbc;--surface:#202732;--accent:#b0a7ff;color-scheme:dark}:root[data-theme=dark] .help-hero{background:linear-gradient(115deg,#25253e,#202a3a)}:root[data-theme=dark] .help-hero form{background:#202732;border-color:#434b5d}:root[data-theme=dark] .help-category{background:#1a212b}:root[data-theme=dark] select option{background:#202732}
@media(max-width:700px){.help-width{padding:0 20px}.help-top{padding:18px 20px;gap:12px}.help-brand{font-size:22px}.help-top>div{gap:10px}.help-top #markets{font-size:12px;max-width:70px;line-height:1.5}.help-top select{font-size:12px;max-width:115px}.help-hero{padding:30px 0}.help-hero h1{font-size:31px}.help-hero form{padding:14px}.help-hero input{font-size:16px}.help-collections{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.help-category{padding:19px}.help-category h2{font-size:16px}.help-category-arrow{right:16px;top:19px}#help-content{padding-top:24px}.help-reading{grid-template-columns:minmax(0,1fr);gap:30px}.help-article h2{font-size:27px}.help-article>p{font-size:16px}.help-related{padding:22px 0 0;border-left:0;border-top:1px solid var(--line)}.help-breadcrumb{margin-bottom:24px;gap:8px}.help-article-link{padding:16px}.help-note{margin-top:15px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.help-top{position:sticky;top:0;z-index:10;background:#fff}:root[data-theme=dark] .help-top{background:#151a21}

/* Dialog close controls: no focus ring or focus background. */
button:is(.close,.auth-close,.language-close,.more-close,.guide-close,.sports-stream-close,.secondary-menu-close,.country-code-close,.combo-close,[data-close],[data-popup-close],[aria-label^="关闭"],[aria-label^="Close"],:has(>svg.lucide-x),:has(>i[data-lucide="x"])){ -webkit-tap-highlight-color:transparent;background:transparent!important }button:is(.close,.auth-close,.language-close,.more-close,.guide-close,.sports-stream-close,.secondary-menu-close,.country-code-close,.combo-close,[data-close],[data-popup-close],[aria-label^="关闭"],[aria-label^="Close"],:has(>svg.lucide-x),:has(>i[data-lucide="x"])):focus{outline:none!important;box-shadow:none!important}button:is(.close,.auth-close,.language-close,.more-close,.guide-close,.sports-stream-close,.secondary-menu-close,.country-code-close,.combo-close,[data-close],[data-popup-close],[aria-label^="关闭"],[aria-label^="Close"],:has(>svg.lucide-x),:has(>i[data-lucide="x"])):focus-visible{background:transparent!important}