[hidden]{display:none!important}
@font-face{font-family:'DM Sans';src:url(/fonts/dmsans.woff2) format('woff2');font-weight:400 700;font-display:swap}
*{box-sizing:border-box}
html{background:linear-gradient(180deg,#4d4e4e 0%,#716861 30%,#8a7968 55%,#a6865a 85%,#ac854e 100%);min-height:100%}
body{margin:0;font:400 17px/1.65 'DM Sans',system-ui,sans-serif;color:#1d2b36;overflow-x:hidden}
a{color:#1f7a55}a:hover{color:#17603f}
:focus-visible{outline:3px solid #1f7a55;outline-offset:2px}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
header.top{background:#fff;height:64px;position:relative;z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;font-size:21px;color:#1d2b36;text-decoration:none;display:flex;align-items:center;gap:8px}
.logo em{font-style:normal;color:#1f7a55}
.sig{display:inline-flex;align-items:flex-end;gap:2px;height:16px}.sig i{width:4px;background:#1f7a55;border-radius:2px}.sig i:nth-child(1){height:6px}.sig i:nth-child(2){height:11px}.sig i:nth-child(3){height:16px;background:#6ece9d}
nav.main ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
nav.main a{display:block;padding:8px 10px;border-radius:10px;color:#1d2b36;text-decoration:none;font-size:15px}
nav.main a:hover,nav.main a[aria-current]{background:#e6f6ee;color:#17603f}
.menu{display:none;background:none;border:0;padding:8px;cursor:pointer;color:#1d2b36}
@media(max-width:900px){.menu{display:block}nav.main{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;box-shadow:0 10px 30px rgba(35,31,32,.15)}body.navopen nav.main{display:block}nav.main ul{flex-direction:column;padding:8px 12px}}
.hero{text-align:center;color:#fff;padding-top:28px;padding-bottom:18px}
.hero h1{font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.12;margin:0 0 8px;font-weight:700}
.hero p{margin:0 auto;max-width:68ch;color:#f3eee8}
.card{background:#fff;border-radius:18px;box-shadow:0 10px 30px rgba(35,31,32,.10);padding:28px;margin:0 auto 22px;transition:transform .2s}
.lift:hover{transform:translateY(-2px)}
.col{max-width:860px;margin:0 auto}
.prose{max-width:68ch}
h2{font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.2;margin:0 0 12px}
h3{font-size:1.15rem;margin:0 0 6px}
.muted{color:#5d6b75}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 20px;font:700 16px 'DM Sans',sans-serif;cursor:pointer;text-decoration:none;border:2px solid #1f7a55;min-height:48px}
.btn.primary{background:#1f7a55;color:#fff}.btn.primary:hover{background:#17603f;color:#fff}
.btn.secondary{background:#fff;color:#1f7a55}.btn.secondary:hover{background:#e6f6ee}
.btn.small{padding:6px 14px;min-height:36px;font-size:14px}
svg.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
/* test card */
.tcard{max-width:860px}
.tgrid{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:center}
.go{display:flex;flex-direction:column;align-items:center;gap:8px}
.start{width:120px;height:120px;border-radius:50%;background:#1f7a55;color:#fff;border:0;font:700 17px 'DM Sans',sans-serif;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;box-shadow:0 8px 20px rgba(31,122,85,.35)}
.start:hover{background:#17603f}.start svg.i{width:28px;height:28px}
.hint{font-size:14px;color:#5d6b75;margin:0;text-align:center}
.ring{position:relative;width:120px;height:120px;display:none}
.ring svg{width:120px;height:120px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:8}.ring .bg{stroke:#eef0f2}.ring .fg{stroke:#6ece9d;stroke-dasharray:339.3;stroke-dashoffset:339.3;stroke-linecap:round;transition:stroke-dashoffset .3s}
.plabel{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-weight:700}
.dots{display:none;gap:8px}.dots i{width:9px;height:9px;border-radius:50%;background:#d7dcdf}.dots i.on{background:#1f7a55}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tile{background:#fafaf9;border:1px solid #eceae6;border-radius:14px;padding:12px;min-width:0}
.tile .k{font-size:14px;color:#5d6b75;display:block}
.tile .v{font-size:clamp(1.5rem,3.4vw,2.2rem);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;display:block;white-space:nowrap}
.tile .v small{font-size:.5em;font-weight:400;color:#5d6b75}
.tile.big .v{font-size:clamp(2rem,6vw,3.2rem)}
.tcard.focus .tiles{grid-template-columns:repeat(3,1fr)}.tcard.focus .tile.big{grid-column:1/-1}
.chip{display:inline-block;border-radius:999px;padding:2px 10px;font-size:13px;font-weight:700;margin-top:4px}
.chip:empty{display:none}
.chip.good{background:#e6f6ee;color:#1f7a55}.chip.ok{background:#fff4cc;color:#8a6200}.chip.high{background:#fde7e5;color:#b42318}
.settings{margin-top:14px;font-size:14px}.settings summary{cursor:pointer;color:#1f7a55;display:inline-flex;gap:6px;align-items:center;list-style:none}
.settings summary::-webkit-details-marker{display:none}.settings svg.i{width:16px;height:16px}
.settings label{display:block;margin-top:8px}.settings select{font:inherit;padding:4px 8px;border-radius:8px;border:1px solid #cfd5d9}
.chart{background:#fafaf9;border-radius:14px;margin-top:18px;padding:8px;display:none}
.chart canvas{width:100%;height:160px;display:block}
.legend{font-size:13px;color:#5d6b75;display:flex;gap:14px;flex-wrap:wrap;padding:2px 6px}.legend b{display:inline-block;width:14px;height:3px;vertical-align:middle;margin-right:4px}
.runbar{display:none;justify-content:flex-end;margin-top:10px}
.res{display:none}
.err{background:#fde7e5;color:#b42318;border-radius:12px;padding:10px 14px;margin:14px 0 0}
.tcard[data-state=running] .start,.tcard[data-state=running] .hint,.tcard[data-state=running] .settings{display:none}
.tcard[data-state=running] .ring{display:block}.tcard[data-state=running] .dots{display:flex}
.tcard[data-state=running] .chart,.tcard[data-state=result] .chart{display:block}
.tcard[data-state=running] .runbar{display:flex}
.tcard[data-state=result] .chart canvas{height:120px}
.tcard[data-state=result] .go{display:none}
.tcard[data-state=result] .res{display:block}
.tcard[data-state=result] .tgrid{grid-template-columns:240px 1fr}
.grade{border-radius:24px;padding:16px;text-align:center}
.grade b{display:block;font-size:clamp(4rem,12vw,6.5rem);line-height:1;font-weight:700}
.grade span{font-size:14px}
.gAp,.gA{background:#e6f6ee;color:#14533a}.gB{background:#eef7e4;color:#2c6622}.gC{background:#fff4cc;color:#6b4c00}.gD{background:#ffe9d6;color:#7f3b00}.gF{background:#fde7e5;color:#8f1c13}
.gmean{font-size:15px;margin:10px 0 0}
.tcard[data-state=result] .gcol{display:block}.gcol{display:none}
.loadrow,.meta{font-size:15px;margin:14px 0 0}.meta{color:#5d6b75;font-size:14px}
.goodfor{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.goodfor span{display:inline-flex;gap:6px;align-items:center;background:#f3f4f2;border-radius:999px;padding:4px 12px;font-size:14px}.goodfor span.y{background:#e6f6ee;color:#14533a}.goodfor i{font-style:normal;font-weight:700}
.acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.gpick{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px;font-size:15px}.gpick select{font:inherit;padding:6px 10px;border-radius:10px;border:1px solid #cfd5d9}
.smooth{margin-left:6px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media(max-width:700px){.card{padding:20px}.tgrid,.tcard[data-state=result] .tgrid{grid-template-columns:1fr;gap:16px}.start{width:104px;height:104px}.ring,.ring svg{width:104px;height:104px}
 .tiles,.tcard.focus .tiles{grid-template-columns:1fr 1fr;gap:10px}.hero{padding-top:18px;padding-bottom:12px}.hero h1{font-size:1.75rem}.acts .btn{width:100%}.tcard.focus .tile.big{grid-column:1/-1}}
/* content */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:22px}
.grid4 .card,.grid3 .card{margin:0;padding:20px}
@media(max-width:900px){.grid4{grid-template-columns:1fr 1fr}.grid3{grid-template-columns:1fr}}
@media(max-width:420px){.grid4{gap:10px}.grid4 .card{padding:14px}}
.ico{width:40px;height:40px;border-radius:12px;background:#e6f6ee;color:#1f7a55;display:flex;align-items:center;justify-content:center;margin-bottom:8px}
.intro{border-left:6px solid #1f7a55}
.content h2{margin-top:6px}.content ul,.content ol{padding-left:22px}
.faq details{border-top:1px solid #eceae6;padding:12px 0}.faq details:first-of-type{border-top:0}.faq summary{cursor:pointer;font-weight:700}
.method{background:#f7faf8;border-radius:14px;padding:16px 18px;font-size:15px;margin:12px 0}
.method p{margin:6px 0}
table{border-collapse:collapse;width:100%;font-size:15px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid #eceae6;vertical-align:top}
.tablewrap{overflow-x:auto}
.scale{height:14px;border-radius:999px;background:linear-gradient(90deg,#1f7a55 0%,#3d8b2f 25%,#ffda6e 50%,#e07b2a 75%,#b42318 100%);margin:14px 0 6px}
.scalelab{display:flex;justify-content:space-between;font-size:13px;color:#5d6b75}
.links4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.links4 a{display:block;background:#fafaf9;border:1px solid #eceae6;border-radius:14px;padding:14px;text-decoration:none;font-weight:700}.links4 a:hover{background:#e6f6ee}
.links4 a span{display:block;font-weight:400;color:#5d6b75;font-size:14px}
@media(max-width:700px){.links4{grid-template-columns:1fr 1fr}}
/* fix guide */
.prog{margin-bottom:16px}.prog span{font-size:14px;color:#5d6b75}.prog div{height:8px;background:#eef0f2;border-radius:999px;margin-top:4px;overflow:hidden}.prog i{display:block;height:100%;background:#1f7a55;width:0;transition:width .3s}
.sit{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.sit button{font:700 14px 'DM Sans',sans-serif;border-radius:999px;border:2px solid #1f7a55;background:#fff;color:#1f7a55;padding:6px 14px;cursor:pointer;min-height:40px}.sit button[aria-pressed=true]{background:#1f7a55;color:#fff}
.step{display:grid;grid-template-columns:36px 1fr auto;gap:14px;padding:16px 0;border-top:1px solid #eceae6;align-items:start}.step:first-of-type{border-top:0}
.step[hidden]{display:none}
.num{width:36px;height:36px;border-radius:50%;background:#1f7a55;color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
.step.isdone .num{background:#6ece9d;color:#14533a}
.step p,.step ul{margin:4px 0}.step ul{padding-left:20px}
.where{display:inline-flex;gap:6px;align-items:center;background:#f3f4f2;border-radius:999px;padding:2px 10px;font-size:13px;margin-top:6px}.where svg.i{width:15px;height:15px}
.donebox{display:flex;gap:6px;align-items:center;font-size:14px;cursor:pointer;white-space:nowrap}.donebox input{width:20px;height:20px;accent-color:#1f7a55}
@media(max-width:560px){.step{grid-template-columns:36px 1fr}.donebox{grid-column:2}}
.band{background:#e6f6ee;border-radius:14px;padding:18px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:10px}
.pills{display:flex;gap:8px;flex-wrap:wrap}.pills a{background:#e6f6ee;border-radius:999px;padding:6px 12px;font-size:14px;text-decoration:none}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;counter-reset:s;padding:0;list-style:none}.steps3 li{background:#fafaf9;border-radius:14px;padding:14px;counter-increment:s}.steps3 li::before{content:counter(s);display:flex;width:30px;height:30px;border-radius:50%;background:#1f7a55;color:#fff;font-weight:700;align-items:center;justify-content:center;margin-bottom:6px}
@media(max-width:700px){.steps3{grid-template-columns:1fr}}
.diagram svg{width:100%;height:auto;display:block}
footer{background:#fff;margin-top:30px;padding:26px 0;font-size:15px}
footer ul{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-wrap:wrap;gap:6px 16px}
footer p{margin:6px 0;color:#5d6b75}
.fam{margin-bottom:10px}
.tcard:not([data-state=result]) .res{display:none!important}

.method,.loadrow,.meta,table,.gmean,.goodfor span,.legend{font-size:16px}
.content p,.content li,.method p,.faq p,.card>p,.prose{max-width:38em}
.muted{font-size:16px}
.faq .howm summary{font-size:clamp(1.3rem,2.6vw,1.8rem)}
.fixcard h2{margin-bottom:4px}.fixcard p{margin:0}
.goodfor{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.goodfor span{justify-content:center;border-radius:12px;padding:8px 6px;text-align:center;flex-wrap:wrap}
@media(max-width:420px){.goodfor span{flex-direction:column;gap:2px;font-size:15px}}
.tcard[data-state=result] .goodfor{display:grid}