:root{--paper:#f7f5fd;--surface:#fff;--surface-2:#f2eefb;--ink:#1a0533;--ink-2:#4a3a66;--muted:#6f6290;--line:#ece8f6;--line-strong:#dcd4ee;--input-line:#cfc6e6;--brand:#7c3aed;--brand-2:#00b8e0;--brand-ink:#fff;--brand-tint:#f3eefe;--brand-line:#dcd0fa;--grad:linear-gradient(90deg, #7c3aed 0%, #00b8e0 100%);--up:#12a37a;--down:#e5484d;--focus:#7c3aed;--radius:12px;--card-radius:18px;--shadow:0 1px 2px #1a05330a, 0 12px 32px -12px #1a05331f;--maxw:1280px;--gutter:clamp(16px, 4vw, 40px);color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:radial-gradient(1100px 520px at 8% -10%, #7c3aed1a, transparent 60%), radial-gradient(900px 480px at 100% 0%, #00b8e014, transparent 60%), var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;background-repeat:no-repeat;margin:0;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;font-weight:400;line-height:1.7}a{color:var(--ink);text-decoration-color:var(--line-strong);text-underline-offset:3px}a:hover{text-decoration-color:var(--ink)}:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:4px}img,svg{max-width:100%}h1,h2,h3{color:var(--ink);margin:0}h1{letter-spacing:-.03em;font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:700;line-height:1.08}h2{letter-spacing:-.02em;font-size:clamp(1.45rem,2.4vw,1.85rem);font-weight:600;line-height:1.25}h3{letter-spacing:-.005em;font-size:1.05rem;font-weight:600;line-height:1.4}p{margin:0 0 1em}.lead{color:var(--ink-2);max-width:34em;font-size:1.125rem}.muted{color:var(--muted)}.small{font-size:.875rem}.num,.stat .value,td,.result,.formula{font-variant-numeric:tabular-nums}.up{color:var(--up)}.down{color:var(--down)}.wrap{max-width:var(--maxw);padding-left:var(--gutter);padding-right:var(--gutter);margin:0 auto}.prose{max-width:680px}.prose h2{margin:2.6rem 0 .8rem}.prose h3{margin:1.6rem 0 .4rem}.prose ul,.prose ol{padding-left:1.2em}.prose li{margin-bottom:.35em}.site-head{z-index:10;background:color-mix(in srgb, var(--paper) 92%, transparent);backdrop-filter:saturate(140%)blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0}.site-head .wrap{align-items:center;gap:28px;height:64px;display:flex}.logo{color:var(--ink);letter-spacing:-.01em;white-space:nowrap;align-items:center;gap:10px;font-weight:600;text-decoration:none;display:flex}.logo img{border-radius:7px;display:block}.nav{gap:2px;margin-left:auto;display:flex}.nav a{color:var(--muted);white-space:nowrap;border-radius:8px;padding:8px 10px;font-size:.92rem;text-decoration:none}.nav a:hover{color:var(--ink)}.nav a[aria-current=page]{color:var(--ink);background:var(--surface-2)}@media (width<=760px){.site-head .wrap{flex-wrap:wrap;row-gap:4px;height:auto;padding-top:10px;padding-bottom:8px}.nav{scrollbar-width:none;order:3;justify-content:space-between;gap:0;width:calc(100% + 16px);margin-left:-8px;overflow-x:auto}.nav::-webkit-scrollbar{display:none}.nav a{padding:8px 7px;font-size:.88rem}.site-head .wrap a.lang{order:2;margin-left:auto}}.btn{min-height:46px;font:inherit;white-space:nowrap;cursor:pointer;border:1px solid var(--line-strong);background:var(--surface-2);color:var(--ink);border-radius:8px;justify-content:center;align-items:center;padding:0 20px;font-size:.95rem;font-weight:500;text-decoration:none;transition:background-color .15s,border-color .15s,transform .1s;display:inline-flex}.btn:hover{border-color:var(--ink-2)}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:600;box-shadow:0 8px 20px -8px #7c3aed99}.btn.primary:hover{background:color-mix(in srgb, var(--brand) 85%, #fff)}.grad-text{background:var(--grad);color:#0000;-webkit-background-clip:text;background-clip:text}.btn[aria-disabled=true]{opacity:.55;cursor:default;transform:none}.btn-row{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.page-head{padding-top:40px;padding-bottom:8px}.page-head h1{font-size:clamp(1.9rem,3.6vw,2.6rem)}.page-head .lead{margin-top:14px}.crumbs{color:var(--muted);padding-top:22px;font-size:.82rem}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--ink)}main{padding-bottom:72px}.section{margin-top:64px}.section>h2{margin-bottom:18px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.card h3{margin-bottom:6px}a.card{color:inherit;text-decoration:none;transition:border-color .15s;display:block}a.card:hover{border-color:var(--ink-2)}.grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.tag{color:var(--brand-line);font-size:.8rem;font-weight:500;display:inline-block}.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(auto-fit,minmax(170px,1fr));display:grid}.stats .stat{padding:18px 20px 18px 0}.stats .stat+.stat{border-left:1px solid var(--line);padding-left:20px}@media (width<=760px){.stats .stat+.stat{border-left:0;padding-left:0}.stats .stat{border-bottom:1px solid var(--line)}.stats .stat:last-child{border-bottom:0}}.stat .label{color:var(--muted);font-size:.82rem}.stat .value{letter-spacing:-.01em;margin-top:2px;font-size:1.45rem;font-weight:600;line-height:1.3}.stat .chg{font-size:.85rem}.form{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px;display:grid}@media (width<=560px){.form{grid-template-columns:1fr}}.field label{color:var(--ink-2);margin-bottom:6px;font-size:.85rem;font-weight:500;display:block}.field input,.field select{border-radius:var(--radius);border:1px solid var(--input-line);background:var(--paper);width:100%;min-height:46px;color:var(--ink);font:inherit;font-variant-numeric:tabular-nums;padding:0 14px}.field input:focus,.field select:focus{outline:2px solid var(--focus);outline-offset:0;border-color:#0000}.seg{border-radius:var(--radius);background:var(--paper);border:1px solid var(--line-strong);padding:3px;display:inline-flex}.seg button{min-width:88px;min-height:40px;color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:7px;font-weight:500}.seg button[aria-pressed=true]{background:var(--surface-2);color:var(--ink)}.seg button[data-side=long][aria-pressed=true]{background:var(--up);color:var(--brand-ink)}.seg button[data-side=short][aria-pressed=true]{background:var(--down);color:var(--brand-ink)}.table-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);background:linear-gradient(90deg, var(--surface) 30%, transparent) left / 40px 100% no-repeat local, linear-gradient(270deg, var(--surface) 30%, transparent) right / 40px 100% no-repeat local, radial-gradient(farthest-side at 100% 50%, #00d4ff47, transparent) right / 14px 100% no-repeat scroll, radial-gradient(farthest-side at 0 50%, #00d4ff47, transparent) left / 14px 100% no-repeat scroll, var(--surface);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.93rem}th,td{text-align:left;white-space:nowrap;padding:12px 16px}thead th{color:var(--muted);border-bottom:1px solid var(--line);font-size:.8rem;font-weight:500}tbody tr+tr td{border-top:1px solid color-mix(in srgb, var(--line) 60%, transparent)}td.r,th.r{text-align:right}.note{background:var(--brand-tint);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--radius);padding:16px 20px;font-size:.95rem}.warn{background:color-mix(in srgb, var(--down) 14%, var(--surface));border:1px solid color-mix(in srgb, var(--down) 40%, transparent);color:var(--ink);border-radius:var(--radius);padding:12px 16px;font-size:.93rem}.todo{font-weight:600}details{border-bottom:1px solid var(--line);padding:14px 0}details:first-of-type{border-top:1px solid var(--line)}summary{cursor:pointer;justify-content:space-between;gap:16px;font-weight:500;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--muted);font-size:1.2rem;font-weight:300;line-height:1}details[open] summary:after{content:"−"}details p{color:var(--ink-2);margin:10px 0 0}.site-foot{border-top:1px solid var(--line);color:var(--muted);background:#efebf9;padding:40px 0 48px;font-size:.88rem;position:relative}.site-foot .cols{grid-template-columns:1.4fr 1fr;gap:32px;display:grid}@media (width<=760px){.site-foot .cols{grid-template-columns:1fr}}.site-foot a{color:var(--muted);text-decoration:none}.site-foot a:hover{color:var(--ink)}.foot-links{grid-template-columns:repeat(2,auto);place-content:start;gap:10px 32px;display:grid}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.wrap>h2,.prose>h2{margin:56px 0 16px}.page-head+.btn-row,.page-head .btn-row{margin-top:24px}.explain{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0 40px;display:grid}.explain>div{border-top:1px solid var(--line);padding:18px 0}.explain h3{margin-bottom:4px}.explain p,.explain ul{color:var(--ink-2);margin:0;font-size:.95rem}.explain ul{padding-left:1.1em}.fg{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:minmax(200px,1fr) 2fr;align-items:end;gap:40px;padding:20px 0;display:grid}@media (width<=640px){.fg{grid-template-columns:1fr;gap:20px}}.skip{z-index:20;background:var(--brand);color:var(--brand-ink);border-radius:var(--radius);padding:10px 16px;position:absolute;top:-60px;left:16px}.skip:focus{top:12px}.explain.three{grid-template-columns:repeat(3,minmax(0,1fr))}@media (width<=880px){.explain.three{grid-template-columns:1fr 1fr}}@media (width<=560px){.explain.three{grid-template-columns:1fr}}[id]{scroll-margin-top:84px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}h2.h3{letter-spacing:-.005em;margin:0;font-size:1.05rem;font-weight:600;line-height:1.4}.site-head a.lang{color:var(--muted);border:1px solid var(--line-strong);border-radius:8px;flex:none;margin-left:-16px;padding:7px 12px;font-size:.92rem;text-decoration:none}.site-head a.lang:hover{color:var(--ink)}.calc-tabs{background:var(--surface);border:1px solid var(--line);border-radius:12px;flex-wrap:wrap;gap:4px;width:fit-content;max-width:100%;margin-top:24px;padding:4px;display:flex}.calc-tabs a{color:var(--muted);white-space:nowrap;border-radius:9px;padding:9px 14px;font-size:.93rem;font-weight:500;text-decoration:none}.calc-tabs a:hover{color:var(--ink)}.calc-tabs a[aria-current=page]{background:var(--surface-2);color:var(--ink);box-shadow:inset 0 -2px 0 var(--brand)}.calc{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:start;gap:16px;margin-top:16px;display:grid}@media (width<=880px){.calc{grid-template-columns:1fr}}.calc .panel>.seg-row{margin-bottom:20px}.result{background:var(--brand-tint);border:1px solid var(--line);border-radius:14px;padding:28px;position:sticky;top:84px}.result .big{color:var(--brand);letter-spacing:-.03em;margin:4px 0 2px;font-size:clamp(2rem,4vw,2.6rem);font-weight:700;line-height:1.15}.result dl{margin:22px 0 0}.result dl div{border-top:1px solid color-mix(in srgb, var(--brand-line) 22%, transparent);justify-content:space-between;gap:12px;padding:10px 0;font-size:.95rem;display:flex}.result dt{color:var(--ink-2)}.result dd{text-align:right;margin:0}.result .warn{margin-top:16px}h2.section{margin-top:56px;margin-bottom:16px}.formula{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);font-variant-numeric:tabular-nums;margin:12px 0;padding:14px 18px}.author{border:1px solid var(--line);background:var(--surface);border-radius:14px;align-items:flex-start;gap:14px;max-width:760px;margin-top:40px;padding:18px 20px;display:flex}.author img{border-radius:10px;flex:none}.author p{margin:0;font-size:.93rem}.author .who{margin-bottom:2px}.site-foot:before{content:"";background:var(--grad);opacity:.5;height:1px;position:absolute;top:-1px;left:0;right:0}.result{border-color:var(--line-strong)}.coin{align-items:center;gap:8px;display:inline-flex}.coin img{flex:none}.calc .panel>.seg-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.coin-pick select{border-radius:var(--radius);border:1px solid var(--input-line);background:var(--paper);min-height:46px;color:var(--ink);font:inherit;padding:0 14px;font-weight:600}.live-row{color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;margin:14px 0 0;font-size:.85rem;display:flex}#live-status:before{content:"";background:var(--muted);vertical-align:1px;border-radius:50%;width:8px;height:8px;margin-right:7px;display:inline-block}#live-status[data-state=on]:before{background:var(--up);box-shadow:0 0 0 3px #16c78433}#live-status[data-state=off]:before{background:var(--down)}#live-resume{border:1px solid var(--line-strong);color:var(--brand);font:inherit;cursor:pointer;background:0 0;border-radius:999px;padding:4px 12px}.site-foot a.fb{align-items:center;gap:6px;display:inline-flex}.author .follow{border:1px solid var(--line-strong);color:var(--ink);border-radius:999px;align-items:center;gap:6px;margin-top:10px;padding:6px 12px;font-size:.88rem;font-weight:500;text-decoration:none;display:inline-flex}.author .follow:hover{border-color:var(--brand);color:var(--brand)}@media (width<=640px){.table-wrap:has(table.cards-m){background:var(--surface);overflow:visible}table.cards-m,table.cards-m tbody{width:100%;display:block}table.cards-m thead{display:none}table.cards-m tr{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px;padding:14px 16px;display:grid}table.cards-m tbody tr:first-child{border-top:0}table.cards-m td{white-space:normal;flex-direction:column;gap:2px;min-width:0;display:flex;text-align:left!important;border:0!important;padding:0!important}table.cards-m td:before{content:attr(data-l);color:var(--muted);font-size:.72rem;font-weight:400}table.cards-m td:first-child{grid-column:1/-1;font-size:1rem;font-weight:600}table.cards-m td:first-child:before,table.cards-m td[colspan]:before{display:none}table.cards-m td[colspan]{grid-column:1/-1}}.site-head{transition:transform .25s}.site-head.hide{transform:translateY(-100%)}.sz-bar{z-index:20;border:1px solid var(--line-strong);background:color-mix(in srgb, var(--surface-2) 94%, transparent);backdrop-filter:blur(10px);color:var(--ink);font:inherit;text-align:left;cursor:pointer;border-radius:14px;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex;position:fixed;bottom:12px;left:12px;right:12px;box-shadow:0 12px 30px -10px #000000b3}.sz-bar[hidden]{display:none}.sz-bar small{color:var(--muted);font-size:.75rem;display:block}.sz-bar b{color:var(--brand);font-variant-numeric:tabular-nums;font-size:1.15rem}.sz-bar .r{text-align:right;font-variant-numeric:tabular-nums;font-size:.85rem}.kw{border:1px solid var(--line-strong);background:radial-gradient(500px 220px at 0% 0%, #7c3aed2e, transparent 70%), var(--surface);border-radius:14px;margin:28px 0;padding:18px}.kw figcaption{margin-bottom:12px;font-weight:600}.kw-f{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}@media (width<=560px){.kw-f{grid-template-columns:repeat(2,minmax(0,1fr))}}.kw-f label{color:var(--ink-2);flex-direction:column;gap:4px;font-size:.82rem;display:flex}.kw-f input{border:1px solid var(--input-line);background:var(--paper);min-height:42px;color:var(--ink);font:inherit;font-variant-numeric:tabular-nums;border-radius:10px;padding:0 12px}.kw-out{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;margin:14px 0 0;display:grid}@media (width<=560px){.kw-out{grid-template-columns:1fr}}.kw-out dt{color:var(--muted);font-size:.8rem}.kw-out dd{margin:2px 0 0;font-size:1.15rem;font-weight:600}.kw-out .em dd{font-size:1.5rem}.kw .small{margin:12px 0 0}h1,h2,h3,.logo{font-family:Plus Jakarta Sans,system-ui,sans-serif}h1{font-weight:600}.site-head{background:color-mix(in srgb, var(--paper) 88%, transparent)}.nav a[aria-current=page]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--brand);background:0 0;border-radius:0}.site-head a.head-cta{background:var(--brand);color:var(--brand-ink);white-space:nowrap;border-radius:9px;flex:none;padding:9px 14px;font:600 .88rem Plus Jakarta Sans,sans-serif;text-decoration:none}.site-head a.head-cta:hover{background:color-mix(in srgb, var(--brand) 85%, #fff)}@media (width<=760px){.site-head a.head-cta{display:none}}