:root{--ink:#18291e;--forest:#20472f;--lime:#e5fb75;--paper:#f4f5eb;--white:#fffef8;--border:#d8ddcc;--muted:#526457;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--paper);color:var(--ink)}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0}
a{color:inherit;text-underline-offset:3px}
button{font:inherit;cursor:pointer;min-height:44px;border:1px solid var(--border);background:var(--white);border-radius:9px;color:var(--ink);padding:10px 17px;font-weight:750}
button:hover:not(:disabled){border-color:var(--forest);background:#edf4de}
button:disabled{opacity:.5;cursor:default}
:focus-visible{outline:3px solid #4a7955;outline-offset:3px}
.wrap{width:min(100% - 40px,1080px);margin-inline:auto}
.top{border-bottom:1px solid var(--border);background:var(--white)}
.top-inner,.brand{display:flex;align-items:center;gap:12px}
.top-inner{justify-content:space-between;min-height:70px}
.brand{font-weight:800}
.brand small{display:block;font-size:10px;color:var(--muted);letter-spacing:.1em}
.top-tag{font-size:12px;color:var(--forest);border:1px solid var(--border);border-radius:99px;padding:6px 10px}
main{min-height:calc(100vh - 142px);padding-block:clamp(24px,4vw,53px) 26px}
.hero{min-height:335px;display:grid;grid-template-columns:1.6fr 1fr;align-items:center;gap:20px;background:var(--forest);color:var(--white);border-radius:20px;padding:clamp(26px,5.5vw,63px);overflow:hidden}
.hero h1{font-size:clamp(37px,6.4vw,75px);letter-spacing:-.06em;line-height:1.13;margin:0 0 17px}
.hero p:last-child{line-height:1.8;color:#e6eedb;margin-bottom:0}
.label{font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--forest)}
.hero .label{color:var(--lime);margin:0 0 16px}
.art{display:grid;place-items:center;min-width:0}
.art img{height:auto;width:min(100%,206px);transform:rotate(-9deg);box-shadow:13px 16px 0 #163522;border-radius:25%}
.stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--border);border-radius:14px;background:var(--white);margin:16px 0}
.stats div{padding:16px;text-align:center}
.stats div+div{border-left:1px solid var(--border)}
.stats strong{display:block;font-size:29px}
.stats span,.rules li,.navigator p,.result p:not(.label){color:var(--muted)}
.rules,.panel{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:clamp(16px,3vw,30px)}
.rules{display:flex;justify-content:space-between;align-items:center;gap:24px}
.rules h2,.navigator h2,dialog h2{font-size:19px;margin:0 0 8px}
.rules ul{margin:0;padding-left:1.2em;line-height:1.75}
.primary{background:var(--lime);border-color:#c5dc65;white-space:nowrap}
.primary:hover:not(:disabled){background:#d9f65e}
.exam-bar,.actions{display:flex;align-items:center;justify-content:space-between;gap:12px}
.exam-bar{margin-bottom:16px}
.exam-bar p{margin:5px 0 0}
.timer{display:grid;gap:2px;text-align:center;background:var(--forest);color:var(--white);border-radius:10px;padding:9px 17px}
.timer span{font-size:11px}
.timer strong{font-size:24px;font-variant-numeric:tabular-nums}
.timer[data-urgent]{background:#892d21}
.exam-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(225px,.38fr);align-items:start;gap:16px}
.question h1{font-size:clamp(21px,3.5vw,32px);margin:0 0 20px;line-height:1.4}
.question .label{margin:0 0 8px}
fieldset{margin:0;padding:0;min-width:0;border:0}
legend{font-size:14px;color:var(--muted);padding:0;margin-bottom:8px}
.option{display:flex;gap:10px;align-items:start;min-height:44px;padding:12px;border:1px solid var(--border);border-radius:9px;margin:8px 0;line-height:1.55;cursor:pointer}
.option:has(input:checked){background:#eef6df;border-color:#61856b}
.option input{flex:none;margin:4px 0 0;accent-color:var(--forest);width:17px;height:17px}
.option b{flex:none}
.actions{margin-top:17px}
#numbers{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:5px}
#numbers button{padding:0;min-width:0}
#numbers [data-done]{background:#d7edca;color:#21482a}
#numbers [aria-current]{border:2px solid var(--forest);font-weight:900}
.navigator p{font-size:13px}
#submit{width:100%}
.result{max-width:620px;margin:20px auto;text-align:center;padding:46px 18px}
.result h1{margin:8px 0}
.score strong{font-size:clamp(65px,15vw,115px);color:var(--forest);line-height:1.15}
#notice{min-height:1.3em;margin:14px 0 0;color:#8e3025}
dialog{max-width:min(440px,calc(100% - 32px));padding:22px;border:1px solid var(--border);border-radius:14px;color:var(--ink);background:var(--white)}
dialog::backdrop{background:#142a20a8}
footer{border-top:1px solid var(--border);padding:17px 0;font-size:12px;color:var(--muted)}
footer .wrap{display:grid;justify-items:center;gap:7px;text-align:center}
@media(max-width:640px){
  .wrap{width:calc(100% - 28px)}
  .hero{min-height:250px;grid-template-columns:minmax(0,1fr) minmax(62px,.42fr);gap:12px}
  .art img{box-shadow:6px 8px 0 #163522}
  .rules{align-items:stretch;flex-direction:column;gap:12px}
  .exam-grid{grid-template-columns:1fr}
  #numbers{grid-template-columns:repeat(5,minmax(0,1fr))}
}
@media(max-width:355px){
  .hero{grid-template-columns:minmax(0,1fr) 60px;padding:21px;gap:11px}
  .hero h1{font-size:30px}
  .hero p:last-child{font-size:14px}
}