:root{--paper:#f0eadc;--ink:#171914;--acid:#d8ff39;--orange:#ff6542;--blue:#2847d8;--line:#24251f;--muted:#6f7067}
*{box-sizing:border-box}
html{background:var(--paper);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif}
body{margin:0;background:linear-gradient(90deg,transparent 49.8%,rgba(23,25,20,.035) 50%,transparent 50.2%),var(--paper)}
main{width:min(1120px,calc(100% - 36px));margin:auto}
.masthead{display:grid;grid-template-columns:1fr 2.3fr 1fr;gap:30px;align-items:end;padding:52px 0 38px;border-bottom:3px solid var(--line)}
.issue,.step{font-size:11px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}
.masthead h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(47px,7vw,94px);font-weight:400;line-height:.88;letter-spacing:-.06em;margin:0}
.masthead h1 em{font-size:.48em;color:var(--blue);letter-spacing:-.03em}
.masthead p{margin:0;line-height:1.7;font-size:14px}
.search-panel{display:grid;grid-template-columns:1fr 2fr;gap:44px;padding:46px 0;border-bottom:1px solid var(--line)}
h2{font-family:Georgia,"Songti SC",serif;font-size:clamp(25px,3vw,39px);font-weight:400;margin:10px 0 0;line-height:1.1}
form label{display:block;font-size:12px;font-weight:700;margin-bottom:8px}
.input-row{display:grid;grid-template-columns:1fr auto;border:3px solid var(--ink);box-shadow:7px 7px 0 var(--ink)}
input{min-width:0;border:0;background:#faf7ee;padding:14px 17px;font:700 clamp(23px,4vw,37px)/1.2 Georgia,serif;outline:none}
input:focus{background:white}
.input-row button{border:0;border-left:3px solid var(--ink);background:var(--acid);padding:0 22px;font-weight:900;font-size:15px;cursor:pointer}
.input-row button:hover{background:#c8f000}.input-row button span{font-size:20px}
.under-input{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:14px;color:var(--muted);font-size:12px}.under-input p{margin:0}
.samples{display:flex;gap:5px}.samples button{border:1px solid var(--line);border-radius:50%;width:39px;height:39px;background:transparent;cursor:pointer;font-size:11px}.samples button:hover{background:var(--ink);color:white}
.error{margin:16px 0 0;padding:10px 12px;background:var(--orange);color:white;font-weight:700}
#results{padding-top:50px}.result-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:25px}.result-head h2{font-size:clamp(34px,5vw,64px)}.result-head p{max-width:310px;margin:0 0 5px;line-height:1.6}
.hero-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:16px}.dark-card{background:var(--ink);color:var(--paper);padding:28px;min-height:220px;position:relative}.card-label{font-size:12px;font-weight:bold;letter-spacing:.12em}.factor-expression{font-family:Georgia,serif;font-size:clamp(34px,5vw,65px);margin:35px 0 22px;overflow-wrap:anywhere}.dark-card p{color:#bdbdad;margin:0;max-width:520px}
.stamp-card{border:3px solid var(--line);padding:22px;display:grid;grid-template-columns:1fr 1fr;align-items:end;background:#f9f4e7;position:relative}.stamp{position:absolute;right:26px;top:25px;border:4px double var(--orange);color:var(--orange);border-radius:50%;padding:22px 10px;min-width:84px;text-align:center;font-weight:900;font-size:20px;transform:rotate(8deg)}.stamp-card div{border-top:1px solid var(--line);padding-top:14px}.stamp-card strong{display:block;font:42px Georgia,serif}.stamp-card small{color:var(--muted)}
.section-title{display:flex;justify-content:space-between;align-items:start;margin:70px 0 18px;border-bottom:3px solid var(--line);padding-bottom:13px}.section-title p{max-width:390px;margin:0;font-size:13px;color:var(--muted)}
.property-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.property{background:var(--paper);padding:21px;min-height:178px;display:flex;flex-direction:column}.property.yes{background:var(--acid)}.property.no{color:#707168}.property-top{display:flex;justify-content:space-between;align-items:center}.property-name{font:26px Georgia,"Songti SC",serif}.verdict{font-size:11px;border:1px solid currentColor;padding:3px 7px;border-radius:50%}.property p{font-size:13px;line-height:1.6;margin:auto 0 0}.property .value{font-weight:bold;margin-top:7px}
.divisor-sheet{margin:70px 0 55px;border-top:3px solid var(--line);border-bottom:3px solid var(--line);padding:22px 0 28px}.divisor-title{display:flex;align-items:end;justify-content:space-between;gap:20px}.divisor-title h2{margin-bottom:20px}.divisor-title>span{font-size:13px;color:var(--muted);margin-bottom:25px}.divisor-list{display:flex;flex-wrap:wrap;border-top:1px solid var(--line);border-left:1px solid var(--line)}.divisor-list span{flex:1 0 92px;text-align:center;padding:12px 8px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font:16px Georgia,serif;background:#f9f4e7}.more-button{margin-top:16px;border:2px solid var(--line);background:transparent;padding:11px 17px;font-weight:bold;cursor:pointer}.more-button:hover{background:var(--blue);color:white}
footer{border-top:1px solid var(--line);padding:25px 0 40px;text-align:center;color:var(--muted);font-size:11px;letter-spacing:.08em}
@media(max-width:760px){main{width:min(100% - 24px,600px)}.masthead{grid-template-columns:1fr;padding-top:28px;gap:15px}.masthead h1{order:-1}.search-panel{grid-template-columns:1fr;gap:25px}.input-row{grid-template-columns:1fr}.input-row button{border-left:0;border-top:3px solid var(--ink);padding:14px}.under-input{align-items:flex-start;flex-direction:column}.result-head{display:block}.result-head p{margin-top:15px}.hero-grid{grid-template-columns:1fr}.stamp-card{min-height:220px}.property-grid{grid-template-columns:1fr 1fr}.divisor-title{display:block}.divisor-title>span{display:block}.divisor-list span{flex-basis:76px}}
@media(max-width:430px){.property-grid{grid-template-columns:1fr}.property{min-height:145px}.masthead h1{font-size:48px}.stamp-card strong{font-size:34px}}
@media(prefers-reduced-motion:no-preference){.property{animation:rise .35s ease both}@keyframes rise{from{opacity:0;transform:translateY(8px)}}}