:root{--ink:#1d241f;--muted:#69726b;--paper:#fffdf7;--green:#bde66b;--orange:#ff7048;--cream:#f2f0e5;--line:#d9ddd5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(circle at 90px 40px,rgba(189,230,107,.52),transparent 260px),#e9ede5;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}button,input,select{font:inherit}.shell{width:min(100%,760px);margin:auto;padding:18px 12px 48px}.hero{padding:8px 5px 20px}.brand{display:block;margin-bottom:22px;color:var(--ink);font-size:12px;font-weight:900;letter-spacing:.14em;text-decoration:none}.eyebrow{display:inline-block;padding:5px 9px;background:var(--ink);color:var(--green);font-size:11px;font-weight:900;letter-spacing:.08em;transform:rotate(-1deg)}.hero h1{margin:11px 0 7px;font-size:clamp(36px,10vw,58px);line-height:1;letter-spacing:-.05em}.hero p{margin:0;color:var(--muted);font-size:15px;line-height:1.7}.card,.result-card{padding:21px 16px;border:1px solid rgba(29,36,31,.12);border-radius:22px;background:var(--paper);box-shadow:0 18px 50px rgba(46,58,48,.1)}.section-title{display:flex;align-items:center;gap:12px}.section-title>span{display:grid;width:38px;height:38px;place-items:center;border-radius:50%;background:var(--green);font-weight:900}.section-title h2,.section-title p{margin:0}.section-title h2{font-size:20px}.section-title p{margin-top:3px;color:var(--muted);font-size:12px}.field-grid{display:grid;gap:14px;margin:22px 0}.field{display:grid;gap:7px}.field>span,legend{font-size:13px;font-weight:850}.field small{color:var(--muted);font-weight:500}.field b,.error{color:#cf3c28}.field>input,.unit-input{width:100%;min-height:50px;border:1px solid var(--line);border-radius:13px;background:#fff}.field>input{padding:12px}.unit-input{display:flex;align-items:center;overflow:hidden}.unit-input:focus-within,.field>input:focus{border-color:var(--ink);outline:2px solid rgba(29,36,31,.08)}.unit-input input{width:100%;min-width:0;padding:12px;border:0;outline:0;background:transparent;font-size:18px;font-weight:800}.unit-input i{padding-left:14px;font-style:normal;font-weight:800}.unit-input em{padding-right:13px;color:var(--muted);font-size:12px;font-style:normal;white-space:nowrap}fieldset{margin:24px 0;padding:0;border:0}legend{margin-bottom:10px}.options{display:grid;grid-template-columns:1fr;gap:8px}.options.compact,.frequency-options{grid-template-columns:1fr 1fr}.options label{position:relative}.options label>input[type=radio]{position:absolute;opacity:0;pointer-events:none}.options label>span{display:flex;min-height:44px;align-items:center;justify-content:center;padding:9px;border:1px solid var(--line);border-radius:12px;background:#fff;color:#4f5851;font-size:13px;text-align:center;cursor:pointer}.options label>input:checked+span{border-color:var(--ink);background:var(--ink);color:#fff;font-weight:800}.custom-option{grid-column:1/-1}.custom-option span{gap:6px}.custom-option input[type=number]{width:66px;padding:5px;border:0;border-bottom:1px solid currentColor;background:transparent;color:inherit;text-align:center;outline:0}.custom-option select{padding:4px;border:0;border-radius:5px;background:var(--cream)}.advanced{margin-top:28px;border:1px solid var(--line);border-radius:16px;background:#fff}.advanced summary{display:flex;justify-content:space-between;padding:17px;cursor:pointer;font-weight:850}.advanced summary small{color:var(--muted);font-weight:500}.advanced-body{padding:0 15px 16px;border-top:1px dashed var(--line)}.method-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:15px}.method-tabs label input{position:absolute;opacity:0}.method-tabs span{display:block;padding:10px;border:1px solid var(--line);border-radius:10px;text-align:center;font-size:13px}.method-tabs input:checked+span{background:var(--green);border-color:var(--green);font-weight:850}.privacy,.disclaimer{color:var(--muted);font-size:11px;line-height:1.6}.error{min-height:20px;margin:10px 0 4px;font-size:12px}.primary,.secondary{min-height:52px;padding:13px 16px;border-radius:14px;font-weight:900;cursor:pointer}.primary{width:100%;border:0;background:var(--ink);color:#fff}.primary:active,.secondary:active{transform:translateY(1px)}.secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}.disclaimer{text-align:center}.hidden{display:none!important}.result{margin-top:22px}.result-card{text-align:center}.result-kicker{margin:3px 0;color:var(--muted)}.score{display:flex;align-items:baseline;justify-content:center;margin:18px 0 5px;color:var(--orange)}.score strong{font-size:clamp(74px,24vw,108px);line-height:.86;letter-spacing:-.07em}.score span{font-size:22px;font-weight:850}.result-card>h2{margin:14px 0 5px;font-size:30px}.result-card>h2+p{margin:0 auto 22px;max-width:530px;color:var(--muted);line-height:1.7}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:9px}.metrics div{display:grid;gap:5px;padding:15px 9px;border-radius:14px;background:var(--cream)}.metrics span{color:var(--muted);font-size:11px}.metrics strong{font-size:17px}.reasons{margin:22px 0;text-align:left}.reasons h3{font-size:16px}.reasons ul{display:grid;gap:9px;margin:0;padding:0;list-style:none}.reasons li{font-size:13px}.reasons .warn{color:#a7462c}.cooling{padding:18px;border-radius:16px;background:#fff2d8}.cooling span{display:block;font-size:12px;font-weight:800}.cooling strong{font-size:34px}.cooling p{font-size:13px}.cooling .secondary{min-height:42px}.actions{display:grid;gap:9px;margin-top:20px}.text-button{padding:10px;border:0;background:none;color:var(--muted);cursor:pointer}.soul{margin-top:16px}.soul h2{font-size:23px}.soul ol{display:grid;gap:12px;padding-left:24px;line-height:1.55}.content{padding:34px 7px 0}.content>h2,.content section>h2{margin-top:30px;font-size:24px;letter-spacing:-.02em}.content p{color:#59635c;line-height:1.85}.faq details{padding:15px 0;border-bottom:1px solid var(--line)}.faq summary{font-weight:850;cursor:pointer}.faq details p{margin-bottom:0;font-size:14px}.related>div{display:grid;grid-template-columns:1fr 1fr;gap:9px}.related a{display:grid;gap:4px;padding:15px;border:1px solid var(--line);border-radius:14px;background:var(--paper);color:var(--ink);text-decoration:none}.related a span{font-size:24px}.related a small{color:var(--muted);line-height:1.4}.footer{padding:35px 0 0;color:var(--muted);font-size:12px;text-align:center}.footer a{color:inherit}@media(min-width:650px){.shell{padding-top:32px}.card,.result-card{padding:30px}.field-grid{grid-template-columns:1fr 1fr}.wide{grid-column:1/-1}.field-grid.three{grid-template-columns:repeat(3,1fr)}.options{grid-template-columns:repeat(3,1fr)}.options.compact{grid-template-columns:repeat(4,1fr)}.frequency-options{grid-template-columns:repeat(3,1fr)}.actions{grid-template-columns:1fr 1fr}.actions .text-button{grid-column:1/-1}}@media(max-width:380px){.shell{padding-left:8px;padding-right:8px}.card,.result-card{padding:18px 12px}.options label>span{font-size:12px}.advanced summary small{display:none}.related>div{grid-template-columns:1fr}}