:root{--paper:#f7f8f4;--ink:#14343c;--muted:#5c7375;--line:#d4e1dc;--sea:#1b7778;--coral:#e56856;--yellow:#f4c968;--blue:#4675ad;--white:#fff;--font:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);letter-spacing:0}button,select{font:inherit}button{cursor:pointer}a{color:inherit}.site-shell{width:min(1090px,calc(100% - 32px));margin:0 auto}.site-header{height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-size:14px;font-weight:750}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:7px;background:var(--ink);color:#fff;font-size:12px}.site-header nav{display:flex;align-items:center;gap:20px;font-size:13px;color:var(--sea)}.site-header nav a{text-decoration:none}.site-header nav a:hover{text-decoration:underline}#language{height:32px;padding:0 7px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);font-size:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.game-top{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:28px 0 20px}.eyebrow{display:block;color:var(--coral);font-size:12px;font-weight:800;text-transform:uppercase}.game-top h1{margin:5px 0 0;font-size:35px;line-height:1.2}.mode-switch{display:inline-flex;border:1px solid var(--line);border-radius:6px;background:#fff;padding:3px;white-space:nowrap}.mode-switch button{min-height:34px;border:0;border-radius:4px;background:transparent;color:var(--muted);padding:0 13px;font-size:13px}.mode-switch button[aria-pressed=true]{background:var(--ink);color:#fff}
.round{border:1px solid var(--line);border-radius:8px;background:var(--white);overflow:hidden}.progress-line{height:52px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 22px;color:var(--muted);font-size:12px}.progress-dots{display:flex;align-items:center;gap:6px}.progress-dots span{width:28px;height:6px;border-radius:3px;background:#e2e9e5}.progress-dots span.done{background:var(--sea)}.progress-dots span.current{background:var(--coral)}
.scene{position:relative;margin:0;height:clamp(210px,31vw,332px);background:#164c54;overflow:hidden}.scene img{width:100%;height:100%;display:block;object-fit:cover}.scene figcaption{position:absolute;left:18px;bottom:16px;padding:6px 9px;border-radius:4px;background:rgba(11,42,49,.82);color:#fff;font-size:11px;font-weight:750;letter-spacing:.08em}
.question-body{padding:25px 28px 30px}.question-meta{display:flex;gap:8px;color:var(--sea);font-size:12px;font-weight:750}.question-meta span+span{color:var(--muted)}.question-body h2{margin:11px 0 21px;max-width:820px;font-size:clamp(23px,2.7vw,32px);line-height:1.3}.answer-area{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.answer-option{display:flex;align-items:center;gap:11px;text-align:left;min-height:70px;border:1px solid var(--line);border-radius:6px;background:#fbfcfa;color:var(--ink);padding:13px 15px;font-size:15px;font-weight:650;line-height:1.4;transition:transform .12s,border-color .12s,background .12s}.answer-option:hover:not(:disabled){transform:translateY(-2px);border-color:var(--sea);background:#edf7f4}.answer-option:disabled{cursor:default;opacity:.7}.answer-option.correct{border-color:var(--sea);background:#e5f4ef;opacity:1}.answer-option.wrong{border-color:var(--coral);background:#fff0eb;opacity:1}.answer-option b{display:grid;place-items:center;flex:0 0 27px;width:27px;height:27px;border-radius:50%;background:#e9eeeb;color:var(--sea);font-size:12px}.answer-option.correct b{background:var(--sea);color:#fff}.answer-option.wrong b{background:var(--coral);color:#fff}
.estimate{grid-column:1/-1}.estimate-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}.estimate-top label{font-size:13px;color:var(--muted)}.estimate-top strong{font-size:24px}.estimate input[type=range]{width:100%;height:32px;accent-color:var(--coral)}.estimate-limits{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.estimate button{margin-top:15px;min-height:43px;border:0;border-radius:5px;background:var(--ink);color:#fff;padding:0 20px;font-size:14px;font-weight:700}.estimate button:hover{background:var(--sea)}.estimate button:disabled{opacity:.55}
.reveal{margin-top:22px;padding-top:19px;border-top:1px solid var(--line)}.reveal-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.verdict{display:inline-flex;align-items:center;min-height:29px;border-radius:4px;background:#e4f3ee;color:#116b59;padding:3px 9px;font-size:12px;font-weight:800}.verdict.miss{background:#fff0e8;color:#ac4f36}.reveal-head strong{font-size:18px}.reveal p{max-width:760px;color:var(--muted);line-height:1.6;margin:11px 0}.reveal a{font-size:12px;color:var(--sea)}.reveal a:hover{text-decoration:none}.comparison{max-width:700px;margin:16px 0}.comparison-row{display:grid;grid-template-columns:110px minmax(0,1fr) 96px;gap:11px;align-items:center;font-size:12px;margin:8px 0}.comparison-track{height:14px;background:#e9f0ec;border-radius:3px;overflow:hidden}.comparison-fill{display:block;height:100%;border-radius:3px;background:var(--blue)}.comparison-row:nth-child(2) .comparison-fill{background:var(--coral)}.comparison-row strong{text-align:right}.next-button{display:block;min-height:43px;margin:21px 0 0;border:0;border-radius:5px;background:var(--coral);color:#fff;padding:0 18px;font-weight:750}.next-button:hover{background:#c94e3f}
.result{padding:28px 0 10px}.result-head h2{font-size:clamp(28px,4vw,45px);line-height:1.2;margin:7px 0}.result-head p{color:var(--muted);margin:0 0 21px;line-height:1.5}#scoreCard{display:block;width:min(100%,800px);height:auto;border:1px solid var(--line);border-radius:8px;background:var(--ink)}.result-actions{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}.result-actions button{min-height:40px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);padding:0 14px;font-size:13px;font-weight:650}.result-actions button.strong{border-color:var(--sea);background:var(--sea);color:#fff}.share-feedback{min-height:20px;color:var(--sea);font-size:12px}.recap{margin-top:25px;padding-top:18px;border-top:1px solid var(--line)}.recap h3{font-size:18px}.recap ol{padding-left:21px}.recap li{margin:10px 0;color:var(--muted);line-height:1.45}.recap li strong{color:var(--ink)}.recap li.correct::marker{color:var(--sea)}.recap li.wrong::marker{color:var(--coral)}
footer{display:flex;justify-content:space-between;gap:12px;margin:32px 0;padding:16px 0;border-top:1px solid var(--line);color:var(--muted);font-size:12px}footer a{text-decoration:none;color:var(--sea)}
@media(max-width:760px){.game-top{align-items:flex-start;flex-direction:column}.scene{height:240px}.answer-area{grid-template-columns:1fr}.question-body{padding:21px 18px}.comparison-row{grid-template-columns:85px minmax(0,1fr) 72px}.site-header nav{gap:11px}}
@media(max-width:430px){.site-shell{width:calc(100% - 22px)}.site-header{height:58px}.game-top{margin:21px 0 16px}.game-top h1{font-size:31px}.scene{height:210px}.progress-line{padding:0 13px}.progress-dots span{width:19px}.question-body h2{font-size:23px}.site-header nav a{font-size:12px}.mode-switch{width:100%}.mode-switch button{flex:1}footer{flex-direction:column}}