/* Reading layouts are isolated from existing service and product styling. */
.lh-reading-page{background:#fcfbf8;color:#303530;font-family:"Noto Sans HK","PingFang HK","Microsoft JhengHei",sans-serif}
.lh-reading-page h1,.lh-reading-page h2,.lh-reading-page h3,.lh-discovery h2,.lh-discovery h3{font-family:"Noto Sans HK","PingFang HK","Microsoft JhengHei",sans-serif;word-break:normal;overflow-wrap:break-word;line-break:strict;letter-spacing:-.025em}
.lh-reading-hero{padding:34px 0 62px;background:linear-gradient(120deg,#f0ebf2 0%,#f8f5ee 100%);border-bottom:1px solid #e7e0e8}
.lh-breadcrumb{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:13px;line-height:1.8;color:#716577;margin-bottom:44px;max-width:100%}
.lh-breadcrumb a:hover{text-decoration:underline}.lh-breadcrumb span[aria-current]{max-width:100%;overflow-wrap:anywhere}
.lh-reading-hero .eyebrow{color:#786184;font-size:13px;letter-spacing:.12em}
.lh-reading-hero h1{font-size:clamp(29px,4.2vw,49px);font-weight:700;line-height:1.5;max-width:870px;margin:17px 0 23px;text-wrap:balance}
.lh-reading-lead{font-size:clamp(16px,1.75vw,19px);line-height:2;max-width:800px;color:#596057;margin:0}
.lh-reading-byline{color:#77716f;font-size:13px;margin:26px 0 0;line-height:1.8}
.lh-reading-layout{display:grid;grid-template-columns:235px minmax(0,760px);gap:clamp(28px,5vw,76px);justify-content:center;padding-top:58px;padding-bottom:30px;align-items:start}
.lh-reading-toc{position:sticky;top:118px;border:1px solid #e5dee7;background:#fffefa;border-radius:18px;padding:23px 22px}
.lh-reading-toc h2{font-size:16px;margin:0 0 16px;color:#6e537b}.lh-reading-toc ol{margin:0;padding-left:20px;font-size:14px;line-height:1.9}.lh-reading-toc li{padding:5px 0 7px 3px}.lh-reading-toc a:hover{color:#704c83;text-decoration:underline}
.lh-reading-body{min-width:0;font-size:17px;line-height:2}.lh-article-section{scroll-margin-top:125px;margin:0 0 38px;padding:0 0 30px;border-bottom:1px solid #e7e2db}
.lh-article-section h2{font-size:clamp(21px,2.5vw,27px);font-weight:700;line-height:1.6;margin:0 0 17px;color:#3b4d3e;text-wrap:pretty}
.lh-article-section p{margin:0 0 17px}.lh-article-section ul{padding-left:1.4em;margin:18px 0}.lh-article-section li{margin:10px 0;padding-left:5px}.lh-article-section li::marker{color:#8c7596}
.lh-section-sources{font-size:14px;line-height:1.9;color:#777277;margin:22px 0 0!important}.lh-section-sources a,.lh-references a{text-decoration:underline;text-decoration-color:#c7bdcc;text-underline-offset:4px;overflow-wrap:anywhere}.lh-section-sources a:hover,.lh-references a:hover{color:#674a78}
.lh-reading-note{padding:20px 24px;background:#f1f3ee;border-radius:14px;font-size:14px;line-height:1.9;color:#596457}.lh-reading-note p{margin:0}
.lh-references{margin-top:24px;font-size:14px;border-bottom:1px solid #e7e2db;padding:0 0 20px}.lh-references summary{cursor:pointer;font-weight:600;padding:12px 0;color:#6e537b}.lh-references li{margin:9px 0}.lh-references ul{padding-left:22px}
.lh-reading-bottom{padding-top:30px;padding-bottom:70px}.lh-next{padding:clamp(25px,4vw,45px);background:#eee9f0;border:1px solid #e3dbe7;border-radius:24px;margin:50px 0}.lh-next h2{font-size:clamp(23px,3vw,31px);line-height:1.6;margin:12px 0 17px;max-width:850px}.lh-next p{max-width:850px;line-height:1.95;margin:0 0 20px;color:#5c5c5c}.lh-next .lh-small{font-size:13px;margin:22px 0 0}.lh-actions{display:flex;align-items:center;gap:20px 30px;flex-wrap:wrap}.lh-actions .cta{white-space:normal;text-align:center;line-height:1.65}.lh-text-link{font-size:15px;color:#644f70;text-decoration:underline;text-underline-offset:5px}
.lh-hub-content{padding-top:50px;padding-bottom:30px}.lh-hub-intro{margin:0 0 30px}.lh-hub-intro h2,.lh-related>h2,.lh-discovery h2{font-size:clamp(24px,3vw,32px);line-height:1.6;margin:0 0 12px}.lh-hub-intro p,.lh-discovery-intro{color:#677064;max-width:760px;line-height:1.9}.lh-related{margin-top:55px}.lh-related>h2{margin-bottom:25px}
.lh-reading-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.lh-reading-card{display:flex;flex-direction:column;align-items:flex-start;padding:28px 27px 25px;border:1px solid #e4e0d9;background:#fffefa;border-radius:19px;color:#3e493f;transition:border-color .2s,box-shadow .2s;min-width:0}.lh-reading-card:hover{border-color:#ae98b9;box-shadow:0 7px 25px #6857730d}.lh-reading-card:focus-visible,.lh-text-link:focus-visible,.lh-reading-toc a:focus-visible{outline:3px solid #846194;outline-offset:5px}.lh-reading-number{display:inline-block;font-size:13px;letter-spacing:.13em;font-weight:600;color:#977da2;border-bottom:1px solid #d7cbdc;padding-bottom:8px;margin-bottom:16px}.lh-reading-card h3{font-size:21px;line-height:1.65;font-weight:700;margin:0 0 14px;text-wrap:pretty}.lh-reading-card p{font-size:15px;line-height:1.95;color:#6a7068;margin:0 0 25px}.lh-reading-more{margin-top:auto;font-size:14px;font-weight:600;color:#765983}.lh-reading-more span{margin-left:10px}.lh-discovery{background:#f5f2f6;border-top:1px solid #e6dfe9;border-bottom:1px solid #e6dfe9;padding:65px 0}.lh-discovery .eyebrow{margin-bottom:13px;color:#786184}.lh-discovery .lh-reading-cards{margin-top:28px}.lh-hub-return{margin:24px 0 0;color:#765983;text-decoration:underline;text-underline-offset:5px}
@media(min-width:900px){.lh-reading-cards:has(>.lh-reading-card:nth-child(2):last-child){grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1050px){.lh-reading-layout{grid-template-columns:205px minmax(0,1fr);gap:35px}.lh-reading-cards{gap:17px}.lh-reading-card{padding:23px}.lh-reading-card h3{font-size:19px}}
@media(max-width:760px){.lh-reading-hero{padding:25px 0 40px}.lh-breadcrumb{margin-bottom:29px;font-size:12px}.lh-reading-hero h1{line-height:1.55;margin-top:13px}.lh-reading-layout{display:block;padding-top:30px}.lh-reading-toc{position:static;padding:20px 23px;margin-bottom:36px}.lh-reading-toc ol{columns:2;column-gap:28px}.lh-reading-toc li{break-inside:avoid}.lh-reading-body{font-size:16px;line-height:2}.lh-article-section{margin-bottom:28px;padding-bottom:23px}.lh-reading-cards{grid-template-columns:1fr}.lh-reading-card{padding:24px}.lh-reading-card h3{font-size:21px}.lh-reading-card p{margin-bottom:18px}.lh-reading-number{margin-bottom:12px}.lh-next{border-radius:19px;margin:35px 0}.lh-reading-bottom{padding-top:0;padding-bottom:45px}.lh-hub-content{padding-top:32px}.lh-discovery{padding:45px 0}.lh-related{margin-top:38px}}
@media(max-width:420px){.lh-reading-toc ol{columns:1}.lh-actions{align-items:stretch;flex-direction:column;gap:19px}.lh-reading-hero h1{font-size:29px}.lh-next{padding:24px 21px}.lh-reading-card{padding:23px}.lh-reading-lead{font-size:16px}}
@media(prefers-reduced-motion:reduce){.lh-reading-card{transition:none}html:has(.lh-reading-page){scroll-behavior:auto}}