:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f3f1ea;--ink:#17201c;--muted:#657068;--line:#d4d3ca;--surface:#fffffcb8;--green:#235f45;--green-soft:#dce9df;--coral:#c8654c;--max:1180px;--sans:ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--serif:ui-serif, "Songti SC", "Noto Serif CJK SC", Georgia, serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{min-width:320px;color:var(--ink);background:var(--paper);font:16px/1.7 var(--sans);margin:0}a{color:inherit}:focus-visible{outline:3px solid var(--coral);outline-offset:4px;border-radius:4px}.skip-link{z-index:100;color:#fff;background:var(--ink);padding:8px 12px;position:fixed;top:8px;left:8px;transform:translateY(-150%)}.skip-link:focus{transform:none}.site-header{z-index:20;width:min(calc(100% - 40px), var(--max));border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f3f1eae6;justify-content:space-between;align-items:center;min-height:72px;margin:auto;display:flex;position:sticky;top:0}.brand{font:800 12px/1 var(--mono);letter-spacing:.12em;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-mark{color:#fff;background:var(--ink);width:32px;height:32px;font:700 15px/1 var(--serif);border-radius:50%;place-items:center;display:grid}.main-nav{gap:26px;display:flex}.main-nav a{color:var(--muted);font-size:13px;text-decoration:none}.main-nav a:hover{color:var(--ink)}.menu-toggle{color:var(--ink);font:800 12px/1 var(--mono);letter-spacing:.08em;background:0 0;border:0;align-items:center;gap:9px;display:none}main{width:min(calc(100% - 40px), var(--max));margin:auto}.hero{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1.55fr) minmax(280px,.65fr);align-items:center;gap:70px;min-height:650px;padding:92px 0 76px;display:grid}.kicker,.card-label,.topic-state{color:var(--green);font:800 11px/1.3 var(--mono);letter-spacing:.11em;text-transform:uppercase;margin:0 0 16px}h1,h2,h3,p{margin-top:0}h1{max-width:880px;font:500 clamp(3.2rem, 7vw, 6.7rem)/.98 var(--serif);letter-spacing:-.055em;margin-bottom:30px}h1 em{color:var(--green);font-style:normal}.lede{color:#455149;max-width:720px;font-size:clamp(1.05rem,1.7vw,1.25rem)}.hero-actions{flex-wrap:wrap;gap:10px;margin-top:34px;display:flex}.button{border:1px solid var(--ink);border-radius:999px;justify-content:center;align-items:center;min-height:48px;padding:10px 18px;font-weight:750;text-decoration:none;display:inline-flex}.button.primary{color:#fff;background:var(--ink)}.button.secondary:hover{background:#fff}.current-question{border:1px solid var(--line);background:var(--surface);border-radius:140px 140px 18px 18px;align-self:end;padding:28px}.current-question:before{background:var(--coral);content:"";border-radius:50%;width:42px;height:42px;margin:28px auto 74px;display:block;box-shadow:0 0 0 12px #c8654c1a}.current-question h2{font:500 1.5rem/1.35 var(--serif)}.current-question p:not(.card-label){color:var(--muted);font-size:14px}.status{color:var(--green);background:var(--green-soft);font:800 10px/1.5 var(--mono);border-radius:999px;padding:4px 9px;display:inline-block}.section{padding:92px 0}.section-heading{grid-template-columns:1fr 1fr;align-items:end;gap:40px;margin-bottom:34px;display:grid}.section-heading h2{font:500 clamp(2.3rem, 4vw, 4rem)/1 var(--serif);letter-spacing:-.04em;margin-bottom:0}.section-heading>p{max-width:520px;color:var(--muted);margin:0}.topic-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.topic-card{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);flex-direction:column;justify-content:space-between;min-height:330px;padding:24px;text-decoration:none;display:flex;position:relative}.topic-card.active{transition:transform .18s,background .18s}.topic-card.active:hover{z-index:1;background:#fff;transform:translateY(-6px)}.topic-index{color:var(--muted);font:12px/1 var(--mono)}.topic-card h3{font:500 3.2rem/1 var(--serif);margin-bottom:10px}.topic-card p:not(.topic-state){color:var(--muted);margin:0;font-size:14px}.topic-card.planned{background:0 0}.topic-card.planned h3{color:#737c76}.topic-card.planned .topic-state{color:#8a6a37}.topic-arrow{color:var(--green);font-size:22px;position:absolute;top:20px;right:22px}.comparison{border-top:1px solid var(--line)}.comparison-layout{grid-template-columns:1.05fr .95fr;gap:14px;display:grid}.comparison-feature{color:#f7f5ef;background:var(--ink);border-radius:4px 100px 4px 4px;min-height:420px;padding:38px}.comparison-feature .card-label{color:#9fc4aa}.comparison-feature h3{max-width:640px;font:500 clamp(2rem, 4vw, 3.7rem)/1.08 var(--serif);letter-spacing:-.04em;margin:46px 0 22px}.comparison-feature>p:not(.card-label){color:#c4cec7;max-width:650px}.text-link{min-height:44px;color:inherit;text-underline-offset:5px;align-items:center;gap:8px;font-weight:800;display:inline-flex}.comparison-feature .text-link{margin-top:28px}.comparison-questions{grid-template-rows:repeat(2,1fr);gap:14px;display:grid}.comparison-questions article{border:1px solid var(--line);background:var(--surface);grid-template-columns:48px 1fr auto;align-items:start;gap:16px;padding:28px;display:grid}.comparison-questions article>span{color:var(--coral);font:800 12px/1.4 var(--mono)}.comparison-questions h3{font:500 1.6rem/1.2 var(--serif);margin-bottom:8px}.comparison-questions p{color:var(--muted);grid-column:2/-1;margin-bottom:0;font-size:14px}.comparison-questions small{color:#8a6a37;font:800 9px/1.5 var(--mono);white-space:nowrap;background:#eee4cf;border-radius:999px;padding:3px 8px}.practice{border-top:1px solid var(--line)}.practice-grid{grid-template-columns:1.2fr .8fr;gap:14px;display:grid}.recent-note,.empty-note{border:1px solid var(--line);background:var(--surface);min-height:300px;padding:30px}.recent-note{flex-direction:column;justify-content:space-between;display:flex}.recent-note h3,.empty-note h3{font:500 clamp(1.8rem, 3vw, 2.8rem)/1.1 var(--serif)}.recent-note p:not(.topic-state),.empty-note p:not(.topic-state){max-width:650px;color:var(--muted)}.empty-note{background:0 0;grid-template-columns:54px 1fr;gap:18px;display:grid}.empty-note>span{border:1px solid var(--line);width:44px;height:44px;color:var(--green);border-radius:50%;place-items:center;font-size:24px;display:grid}.about{border-top:1px solid var(--line)}.about-grid{grid-template-columns:1.1fr .9fr;gap:70px;display:grid}.about h2{font:500 clamp(2.6rem, 5vw, 5rem)/1 var(--serif);letter-spacing:-.05em;margin:0}.about-grid>div>p{color:var(--muted);font-size:1.08rem}.evidence-list{margin:30px 0 0;padding:0;list-style:none}.evidence-list li{border-top:1px solid var(--line);color:var(--muted);grid-template-columns:12px 66px 1fr;align-items:center;gap:8px;padding:11px 0;font-size:13px;display:grid}.evidence-list strong{color:var(--ink)}.evidence-dot{background:var(--green);border-radius:50%;width:9px;height:9px}.evidence-dot.observation{background:#39779a}.evidence-dot.verify{background:#b37b26}.evidence-dot.experience{background:var(--coral)}.site-footer{width:min(calc(100% - 40px), var(--max));border-top:1px solid var(--line);color:var(--muted);font:700 11px/1.4 var(--mono);letter-spacing:.06em;justify-content:space-between;margin:auto;padding:28px 0 36px;display:flex}@media (width<=820px){.site-header{flex-wrap:wrap}.main-nav{gap:16px;width:100%;padding:0 0 18px 42px;overflow-x:auto}.js .menu-toggle{display:inline-flex}.js .main-nav{display:none}.js.nav-open .main-nav{display:flex}.hero{grid-template-columns:1fr;gap:52px;min-height:auto;padding-top:72px}.current-question{border-radius:110px 110px 18px 18px;max-width:420px}.current-question:before{margin-bottom:54px}.section-heading{grid-template-columns:1fr;gap:18px}.topic-grid{grid-template-columns:1fr}.topic-card{min-height:240px}.comparison-layout,.practice-grid,.about-grid{grid-template-columns:1fr}.comparison-feature{min-height:380px}.about-grid{gap:36px}}@media (width<=480px){.site-header,main{width:min(calc(100% - 28px), var(--max))}.hero{padding-top:54px}h1{font-size:clamp(2.8rem,15vw,4.2rem)}.button{width:100%}.current-question{padding:22px}.section{padding:70px 0}.comparison-feature{border-radius:4px 70px 4px 4px;min-height:350px;padding:26px}.comparison-questions article{grid-template-columns:38px 1fr;padding:22px}.comparison-questions small{grid-column:2;justify-self:start}.comparison-questions p{grid-column:2}.practice-grid>article{min-height:270px}.evidence-list li{grid-template-columns:12px 54px 1fr}.site-footer{width:min(calc(100% - 28px), var(--max));flex-direction:column;gap:8px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}