.rl-page{--rl-paper:var(--cv-panel);--rl-ink:var(--cv-ink);--rl-muted:var(--cv-muted);background:var(--cv-canvas);color:var(--cv-ink);min-height:100vh;padding:var(--cv-page-top) 0 0;outline:none}.rl-page *{box-sizing:border-box}.rl-page button{font:inherit;cursor:pointer}.rl-page :is(button,a,summary):focus-visible{outline:2px solid var(--cv-focus);outline-offset:5px}.rl-shell{width:min(var(--cv-page-width),calc(100% - 2*var(--cv-gutter)));margin:auto}.rl-breadcrumb{display:flex;align-items:center;gap:15px;color:var(--cv-muted);font-size:13px}.rl-breadcrumb a{display:inline-flex;align-items:center;gap:9px;color:var(--cv-ink);min-height:44px;text-decoration:none}.rl-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:64px;padding:36px 0 56px}.rl-kicker{display:flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.12em;color:var(--cv-muted);margin:0 0 24px;font-weight:500}.rl-hero h1{font-size:var(--cv-h1);font-weight:450;line-height:1.07;letter-spacing:-.045em;margin:0;color:var(--cv-ink)}.rl-hero h1 span{color:var(--cv-muted)}.rl-hero-note{max-width:310px}.rl-hero-note>p{font-size:17px;line-height:1.7;color:var(--cv-muted);margin:0 0 16px}.rl-hero-note>span{font-size:12px;line-height:1.7;color:var(--cv-muted)}.rl-services-link{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:48px;padding-block:10px;margin-top:13px;color:var(--cv-ink);font-size:14px;text-decoration:none;border-bottom:1px solid var(--cv-line)}.rl-library-head{border-bottom:1px solid var(--cv-line);padding-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.rl-tabs{display:flex;flex-wrap:wrap;gap:6px;padding:5px;border:1px solid var(--cv-line);border-radius:18px;background:var(--cv-panel)}.rl-tabs button{border:0;display:flex;gap:14px;align-items:center;color:var(--cv-muted);background:transparent;border-radius:13px;padding:12px 18px;min-height:48px;font-size:13px}.rl-tabs button[aria-selected=true]{background:var(--cv-action);color:var(--cv-on-action)}.rl-tabs button:not([aria-selected=true]):hover{background:var(--cv-hover);color:var(--cv-ink)}.rl-tabs button span{font-size:12px;font-variant-numeric:tabular-nums}.rl-count{font-size:12px;line-height:1.6;color:var(--cv-muted);margin:0}.rl-count span{padding-inline:10px}.rl-library{display:grid;grid-template-columns:minmax(240px,.75fr) minmax(0,1.65fr);gap:48px;align-items:start;padding:32px 0 64px}.rl-index{position:sticky;top:112px;align-self:start;min-width:0}.rl-index-label{font-size:12px;letter-spacing:.1em;color:var(--cv-muted);font-weight:500;margin:0 0 16px;scroll-margin-top:110px;outline:none}.rl-article-list{display:grid;gap:7px}.rl-article-choice{display:flex;align-items:flex-start;text-align:left;width:100%;gap:14px;padding:20px 16px;border:1px solid transparent;border-radius:18px;background:transparent;color:var(--cv-ink)}.rl-article-choice:hover{background:var(--cv-soft)}.rl-article-choice.rl-selected{background:var(--cv-panel);border-color:var(--cv-line)}.rl-choice-number{color:var(--cv-muted);font-size:12px;font-variant-numeric:tabular-nums;line-height:1.7;padding-top:2px}.rl-choice-copy{flex:1;min-width:0}.rl-choice-copy small{display:block;font-size:12px;line-height:1.5;color:var(--cv-muted);margin-bottom:8px}.rl-choice-copy strong{display:block;font-size:16px;font-weight:500;line-height:1.5;letter-spacing:-.015em}.rl-choice-copy>span{display:block;color:var(--cv-muted);font-size:13px;line-height:1.75;margin-top:9px}.rl-article-choice>svg{flex-shrink:0;color:var(--cv-muted);margin-top:2px}.rl-index-note{display:flex;align-items:flex-start;gap:13px;padding:24px 16px;color:var(--cv-muted)}.rl-index-note svg{flex-shrink:0;margin-top:4px}.rl-index-note p{font-size:12px;line-height:1.8;margin:0;max-width:245px}.rl-reader{background:var(--cv-panel);color:var(--cv-ink);border:1px solid var(--cv-line);border-radius:var(--cv-card-radius);overflow:hidden;min-width:0}.rl-reader-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:23px 38px;border-bottom:1px solid var(--cv-line);color:var(--cv-muted);font-size:12px;line-height:1.7}.rl-reader-top>span>span{padding-inline:9px}.rl-reader-top svg{flex-shrink:0}.rl-reader-body{padding:36px 38px 28px}.rl-reader :is(h1,h2){font-size:clamp(30px,3vw,42px);font-weight:450;line-height:1.13;letter-spacing:-.04em;margin:0 0 26px;outline:none;scroll-margin-top:120px;color:var(--cv-ink)}.rl-intro{font-size:18px;line-height:1.8;color:var(--cv-muted);margin:0}.rl-takeaway{border-left:2px solid var(--cv-strong-line);padding:0 0 0 22px;margin:34px 0 40px}.rl-takeaway>span{font-size:12px;letter-spacing:.1em;font-weight:500;color:var(--cv-muted)}.rl-takeaway p{font-size:18px;line-height:1.75;color:var(--cv-ink);margin:10px 0 0}.rl-chapter{margin-top:36px}.rl-chapter :is(h2,h3){font-size:24px;font-weight:450;line-height:1.3;letter-spacing:-.025em;color:var(--cv-ink);margin:0 0 18px}.rl-chapter p{font-size:16px;line-height:1.9;color:var(--cv-muted);margin:0 0 18px}.rl-chapter ul{list-style:none;margin:24px 0 0;padding:0;border-top:1px solid var(--cv-line)}.rl-chapter li{display:flex;align-items:flex-start;gap:12px;font-size:15px;line-height:1.8;color:var(--cv-muted);padding:15px 0;border-bottom:1px solid var(--cv-line)}.rl-chapter li svg{flex-shrink:0;margin-top:5px;color:var(--cv-ink)}.rl-source{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;margin-top:38px;padding:24px 0;border-block:1px solid var(--cv-line)}.rl-source p{font-size:12px;font-weight:500;margin:0;color:var(--cv-muted);line-height:1.8}.rl-source p span{display:block;font-weight:400;margin-top:4px}.rl-source a{min-height:44px;color:var(--cv-ink);font-size:13px}.rl-article-action{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:28px}.rl-article-action p{font-size:16px;color:var(--cv-muted);margin:0}.rl-article-action button{display:inline-flex;align-items:center;gap:24px;border:1px solid var(--cv-action);background:var(--cv-action);color:var(--cv-on-action);border-radius:999px;min-height:48px;padding:12px 23px;font-size:14px}.rl-reader-nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;border-top:1px solid var(--cv-line)}.rl-reader-nav button{background:none;border:0;color:var(--cv-ink);display:inline-flex;align-items:center;gap:12px;font-size:13px;min-height:44px;padding:10px 0}.rl-browse summary{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:14px;color:var(--cv-ink);min-height:48px;padding:12px 0;cursor:pointer;border-bottom:1px solid var(--cv-line);margin-bottom:20px}.rl-browse summary span{font-size:12px;color:var(--cv-muted)}.rl-browse:not([open])>.rl-index-label,.rl-browse:not([open])>.rl-article-list,.rl-browse:not([open])>.rl-index-note{display:none}.rl-page--article .rl-library{grid-template-columns:minmax(0,760px) minmax(220px,1fr);padding-top:42px;gap:64px}.rl-page--article .rl-reader{background:transparent;border:0;border-radius:0}.rl-page--article .rl-reader-top{padding:0 0 24px}.rl-page--article .rl-reader-body{padding:34px 0 0}.rl-page--article .rl-reader h1{font-size:clamp(38px,4.8vw,64px);line-height:1.09}.rl-page--article .rl-intro{font-size:var(--cv-lead)}.library15-all{padding:24px 0;border-block:1px solid var(--cv-line);color:var(--cv-ink)}.library15-all>summary{font-size:15px;min-height:44px;cursor:pointer}.library15-all nav{display:grid;grid-template-columns:1fr 1fr;gap:8px 34px;padding:18px 0}.library15-all a{color:var(--cv-ink);min-height:44px;display:flex;align-items:center;line-height:1.6;font-size:14px;border-bottom:1px solid var(--cv-line);padding:12px 0;text-decoration:none}.rl-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px 0;color:var(--cv-muted);font-size:14px}.rl-footer button{background:none;border:0;display:inline-flex;align-items:center;gap:24px;min-height:48px;padding:12px 0;color:var(--cv-ink)}@media(max-width:1000px){.rl-library,.rl-page--article .rl-library{gap:32px;grid-template-columns:minmax(0,1fr)}.rl-index{position:static}.rl-hero{gap:40px}.rl-hero-note{max-width:270px}.rl-page--article .rl-reader,.rl-page--article .rl-index{max-width:820px}.rl-article-list{grid-template-columns:1fr 1fr}.rl-index-note{display:none}}@media(max-width:700px){.rl-hero{display:block;padding:28px 0 38px}.rl-hero-note{max-width:520px;margin-top:28px}.rl-hero-note>p{font-size:16px}.rl-library-head{display:block}.rl-count{margin-top:18px}.rl-tabs{width:100%;gap:4px;padding:4px}.rl-tabs button{padding:10px 12px;gap:10px;font-size:12px;flex:1;justify-content:center}.rl-article-list{grid-template-columns:1fr}.rl-reader-body{padding:28px 24px}.rl-reader-top{padding:20px 24px}.rl-reader h2{font-size:31px}.rl-chapter :is(h2,h3){font-size:23px}.rl-intro{font-size:17px}.rl-article-action{display:block}.rl-article-action button{margin-top:17px}.library15-all nav{grid-template-columns:1fr}.rl-footer{display:block}.rl-footer button{margin-top:10px}.rl-page--article .rl-reader h1{font-size:clamp(36px,9vw,48px)}}@media(prefers-reduced-motion:no-preference){.rl-tabs button,.rl-article-choice{transition:background var(--cv-motion-fast),color var(--cv-motion-fast),border-color var(--cv-motion-fast)}}