@charset "UTF-8";
:root{--paper:#f7f7f2;--white:#fff;--ink:#202623;--muted:#647069;--orange:#e94e20;--orange-light:#fff0e6;--line:#dfe3da;--green:#254b3c;--radius:20px;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,a,input{touch-action:manipulation}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #326f55;outline-offset:4px}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.045em}p{line-height:1.75}small{font-size:12px}svg{display:block;max-width:100%}.site-header{max-width:1160px;padding:24px 36px;display:flex;justify-content:space-between;align-items:center;margin:auto;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:19px;font-weight:800;letter-spacing:.04em}.brand small{display:block;font-size:9px;letter-spacing:.15em;margin-top:4px;color:var(--muted);font-weight:600}.header-tag{font-size:12px;color:#525d55;display:flex;align-items:center;gap:8px}.header-tag i{width:7px;height:7px;background:var(--orange);border-radius:100%}main{max-width:1160px;margin:auto;padding:0 36px;min-height:65vh}main:focus{outline:none}.site-footer{max-width:1160px;margin:54px auto 0;padding:24px 36px 30px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:11px;line-height:1.8}.skip-link{position:fixed;top:0;left:12px;transform:translateY(-200%);z-index:10;padding:12px;background:white}.skip-link:focus{transform:none}.eyebrow{font-size:11px;font-weight:750;letter-spacing:.16em;text-transform:uppercase;display:flex;align-items:center;gap:9px}.eyebrow:before{content:"";width:20px;height:2px;background:var(--orange)}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:center;padding:55px 0 40px}.hero h1{font-size:clamp(38px,4.5vw,58px);line-height:1.2;margin:23px 0 24px;font-weight:850}.hero h1 span{color:var(--orange)}.hero .intro{font-size:14px;color:var(--muted);max-width:400px;margin-bottom:25px}.event-meta{display:flex;flex-wrap:wrap;gap:8px}.event-meta span{font-size:11px;border:1px solid #d7ddd2;background:#fcfcf9;padding:8px 11px;border-radius:6px;font-weight:600}.hero-art{position:relative;overflow:hidden;background:#e8ede2;border-radius:28px;aspect-ratio:1.12}.art-caption{position:absolute;left:23px;top:23px;font-size:10px;letter-spacing:.18em;font-weight:750}.hero-art svg{width:100%;height:100%}.art-badge{position:absolute;bottom:18px;right:18px;font-size:10px;padding:8px 12px;border-radius:30px;background:#f7f7f2;border:1px solid #fff;color:var(--green);font-weight:650}.section-top{display:flex;justify-content:space-between;align-items:end;gap:16px;margin:6px 0 18px}.section-top h2{font-size:23px;margin:0}.section-top p{font-size:11px;margin:0;color:var(--muted)}.games{display:grid;grid-template-columns:1fr 1fr;gap:20px}.game-card{position:relative;border-radius:var(--radius);padding:27px 28px;overflow:hidden;min-height:257px;text-decoration:none;border:1px solid transparent;display:flex;flex-direction:column;align-items:start;transition:transform .2s,box-shadow .2s}.game-card:hover{transform:translateY(-3px);box-shadow:0 10px 22px #2026230b}.card-shoot{background:#f05b2b;color:#fff}.card-quiz{background:#fff;border-color:var(--line)}.card-kicker{font-size:10px;letter-spacing:.15em;font-weight:700;position:relative;z-index:1}.card-title{font-size:26px;margin:18px 0 10px;font-weight:800;position:relative;z-index:1}.card-description{font-size:12px;line-height:1.9;margin:0 0 23px;position:relative;z-index:1;max-width:260px}.card-shoot .card-description{color:#ffeadf}.card-quiz .card-description{color:var(--muted)}.card-cta{margin-top:auto;display:flex;gap:22px;align-items:center;font-size:12px;font-weight:700;z-index:1;background:#fff;color:var(--ink);padding:11px 17px;border-radius:7px}.card-quiz .card-cta{background:var(--ink);color:white}.arrow{font-size:18px;line-height:1}.card-numeral{position:absolute;right:9px;bottom:-22px;font-size:210px;line-height:1;font-weight:850;letter-spacing:-.12em;color:#fff1;pointer-events:none}.card-quiz .card-numeral{font-size:180px;color:#edf0e9;bottom:20px;right:26px;letter-spacing:-.1em}.reward-strip{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;background:#e9eee3;border-radius:14px;padding:23px 26px;margin:22px 0}.reward-tag{font-weight:800;font-size:15px;line-height:1.55;white-space:nowrap}.reward-strip p{font-size:12px;color:#4a5a4a;margin:0}.text-button{font-size:12px;color:var(--green);border:none;background:none;text-decoration:underline;text-underline-offset:4px;padding:8px;white-space:nowrap}.rules{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 24px;margin:16px 0 0}.rules summary{padding:19px 0;font-size:13px;font-weight:700;cursor:pointer}.rules-content{font-size:12px;color:#526056;padding:0 0 8px}.rules-content p{margin-bottom:12px}.rules-content strong{color:var(--ink)}.rules-links{display:flex;gap:16px;flex-wrap:wrap;padding:6px 0 15px}.rules-links a{color:var(--green)}.view-top{display:flex;justify-content:space-between;align-items:center;padding:24px 0 20px;gap:12px}.back-button{background:none;border:0;padding:9px 0;font-size:12px;font-weight:650}.view-label{font-size:10px;color:var(--muted);letter-spacing:.12em}.game-layout{display:grid;grid-template-columns:1fr 300px;gap:30px;max-width:930px;margin:auto}.play-area{min-width:0}.game-heading{margin:0 0 16px}.game-heading h1{font-size:28px;margin-bottom:8px}.game-heading p{font-size:12px;color:var(--muted);margin:0}.score-bar{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-bottom:14px}.score-bar span{font-size:10px;color:var(--muted);display:block}.score-bar strong{font-size:21px;display:block;margin-top:4px}.score-bar>div+div{border-left:1px solid var(--line);padding-left:18px}.score-bar .accent{color:var(--orange)}.court-shell{max-width:430px;margin:auto;position:relative;border:1px solid #d6ded1;border-radius:20px;overflow:hidden;background:#e7ecdf;isolation:isolate}.court-shell canvas{display:block;width:100%;height:auto;touch-action:none;user-select:none;-webkit-user-select:none;max-height:58svh;cursor:crosshair}.court-hint{position:absolute;top:14px;left:50%;transform:translateX(-50%);font-size:11px;white-space:nowrap;background:#fffdf5ed;border:1px solid white;padding:7px 13px;border-radius:30px;pointer-events:none}.shot-feedback{position:absolute;top:40%;left:0;right:0;text-align:center;pointer-events:none;font-size:32px;font-weight:850;color:#fff;text-shadow:0 2px 8px #19352877}.shot-feedback.hit{color:#fff;background:#254b3cdf;padding:12px;animation:pop .3s ease-out}.attempts{display:flex;justify-content:center;gap:7px;margin:18px 0 12px}.attempt-dot{width:18px;height:18px;border-radius:100%;border:1px solid #cbd3c6;display:grid;place-items:center;font-size:10px;color:var(--muted)}.attempt-dot.hit{background:var(--green);border-color:var(--green);color:white}.attempt-dot.miss{background:#e6e8e0;color:#647069}.attempt-dot.current{border:2px solid var(--orange)}.attempt-dot:nth-child(3),.attempt-dot:nth-child(6){margin-right:10px}.below-court{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted)}.sound-button{background:transparent;border:1px solid var(--line);border-radius:6px;padding:9px 11px;font-size:11px;color:var(--ink)}.side-panel{padding-top:0}.instruction-box{border:1px solid var(--line);border-radius:16px;padding:23px;background:#fff;margin-bottom:14px}.instruction-box h2{font-size:17px;margin:0 0 17px}.instruction-box ol{margin:0;padding-left:21px;font-size:12px;line-height:1.9;color:var(--muted)}.instruction-box li+li{margin-top:12px}.threshold{padding:18px 22px;background:var(--orange-light);border-radius:13px;font-size:12px;line-height:1.9}.threshold strong{color:var(--orange);display:block;font-size:17px;margin-bottom:3px}.threshold p{margin:0;color:#80523b}.aux{font-size:12px;margin-top:14px;border:1px solid var(--line);border-radius:10px;padding:0 14px}.aux summary{padding:12px 0;cursor:pointer}.aux label{display:grid;grid-template-columns:80px 1fr;gap:10px;margin:12px 0;align-items:center}.aux input{width:100%;accent-color:var(--orange)}.aux button{margin:4px 0 14px}.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;padding:13px 22px;border-radius:9px;border:1px solid var(--line);background:white;color:var(--ink);font-size:13px;font-weight:700;min-height:46px;text-decoration:none}.button.primary{background:var(--orange);color:white;border-color:var(--orange)}.button.dark{background:var(--ink);color:white;border-color:var(--ink)}.button.wide{width:100%}.secondary-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.quiz-wrap{max-width:680px;margin:auto}.quiz-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.quiz-header h1{font-size:28px;margin:0}.quiz-header p{font-size:12px;color:var(--muted);margin:8px 0 0}.quiz-mini{font-size:11px;white-space:nowrap;background:#fff;border:1px solid var(--line);padding:11px 15px;border-radius:9px;color:var(--muted)}.quiz-mini strong{color:var(--orange);font-size:18px}.progress-track{height:5px;background:#e0e5d9;border-radius:4px;overflow:hidden;margin-bottom:25px}.progress-track span{display:block;background:var(--orange);height:100%;transition:width .2s}.question-card{background:#fff;border:1px solid var(--line);padding:30px;border-radius:20px}.question-number{font-size:11px;color:var(--muted);letter-spacing:.09em;margin-bottom:16px}.question-card h2{font-size:22px;line-height:1.65;margin:0 0 24px;letter-spacing:-.02em}.options{display:grid;gap:11px}.option{display:flex;align-items:center;gap:13px;width:100%;text-align:left;border:1px solid #dde3d8;border-radius:10px;padding:16px;background:#fbfcf8;font-size:13px;line-height:1.65;color:var(--ink);min-height:60px}.option:disabled{opacity:1;cursor:default}.option-letter{display:grid;place-items:center;width:26px;height:26px;border:1px solid #d4dcce;border-radius:7px;flex:none;font-size:11px;font-weight:700}.option.selected{border-color:var(--orange);background:#fff4ec}.option.selected .option-letter{background:var(--orange);color:white;border-color:var(--orange)}.option.correct{border-color:#477d5a;background:#eff6ed}.option.wrong{border-color:#cf603e;background:#fff0e9}.option-result{margin-left:auto;font-weight:700;flex:none}.question-submit{margin-top:23px}.answer-explanation{padding:18px 19px;border-radius:10px;background:#f0f5ec;font-size:13px;line-height:1.8;margin-top:20px}.answer-explanation strong{display:block;color:var(--green);margin-bottom:5px}.answer-explanation p{margin:0}.quiz-note{font-size:11px;text-align:center;color:var(--muted);margin:18px 0}.result-wrap{max-width:720px;margin:auto;text-align:center}.result-eyebrow{display:inline-block;padding:8px 13px;border-radius:30px;font-size:11px;background:#e8eee1;color:var(--green);margin-bottom:15px;font-weight:700}.result-wrap h1{font-size:30px;margin-bottom:12px}.result-description{color:var(--muted);font-size:13px;margin-bottom:24px}.result-score{border-radius:22px;background:var(--ink);color:white;padding:32px 24px;position:relative;overflow:hidden}.result-score p{font-size:12px;margin:0 0 5px;color:#d1dccb}.score-large{font-size:88px;line-height:1.15;font-weight:850;letter-spacing:-.06em;font-variant-numeric:tabular-nums}.score-large small{font-size:25px;letter-spacing:-.03em;color:#acb7a9;margin-left:8px}.result-score .score-caption{font-size:16px;font-weight:650;color:white;margin:10px 0 0}.result-score .live-note{font-size:10px;color:#b4c2ae;margin:15px 0 0}.reward-status{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:15px;text-align:left}.reward-status>div{background:white;border:1px solid var(--line);border-radius:12px;padding:17px}.reward-status strong{font-size:14px;display:block}.reward-status p{font-size:11px;color:var(--muted);margin:7px 0 0}.reward-status .eligible{border-color:#adc1a2;background:#f0f5eb}.result-verify{font-size:12px;color:var(--muted);text-align:left;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 21px;margin:15px 0 24px}.result-verify p{margin:0}.result-verify p+p{margin-top:9px}.result-verify strong{color:var(--ink)}.result-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.review{text-align:left;margin-top:26px;border:1px solid var(--line);border-radius:14px;padding:0 22px;background:white}.review summary{padding:18px 0;font-size:14px;cursor:pointer;font-weight:700}.review-item{border-top:1px solid var(--line);padding:17px 0;font-size:12px;line-height:1.8}.review-item h3{font-size:14px;letter-spacing:0;line-height:1.7;margin-bottom:10px}.review-item p{margin-bottom:6px;color:var(--muted)}.review-item .correct-answer{color:var(--green);font-weight:700}.connection{max-width:1088px;margin:12px auto 0;padding:12px 18px;border:1px solid #e9d0a7;border-radius:9px;background:#fff7e8;font-size:12px;line-height:1.7}.connection button{margin-left:14px;background:none;color:var(--orange);border:0;text-decoration:underline;padding:5px}.loading{text-align:center;padding:100px 20px;color:var(--muted)}.loading img{display:inline-block;margin-bottom:15px}.error-panel{text-align:center;max-width:600px;margin:70px auto;padding:24px}.error-panel h1{font-size:26px}.error-panel p{color:var(--muted);font-size:14px}.staff-note{font-size:11px;color:var(--muted);line-height:1.8;margin:20px 0}.paused-note{color:#89521d}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@keyframes pop{from{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}
@media(min-width:1000px){.hero-art{max-height:390px}.hero h1{margin-top:26px}.games{gap:24px}.game-card{padding:30px 32px}.card-title{font-size:29px}}
@media(max-width:760px){.site-header{padding:19px 22px}.brand{font-size:17px}.header-tag{font-size:10px}main{padding:0 22px}.hero{padding:34px 0 30px;gap:24px;grid-template-columns:1fr}.hero h1{font-size:42px;line-height:1.2;margin:20px 0 18px}.hero .intro{font-size:13px;max-width:100%;margin-bottom:20px}.hero-art{aspect-ratio:1.65;border-radius:20px;max-height:280px}.hero-art svg{transform:translateY(-13%);height:133%}.art-caption{top:18px;left:18px;font-size:9px}.art-badge{bottom:12px;right:12px;font-size:9px}.games{gap:13px}.game-card{padding:23px 19px;min-height:260px;border-radius:15px}.card-title{font-size:22px;line-height:1.45;margin:15px 0 10px;max-width:140px}.card-description{font-size:11px;line-height:1.8}.card-kicker{font-size:8px;letter-spacing:.09em}.card-numeral{font-size:150px;right:2px}.card-quiz .card-numeral{font-size:130px;right:10px;bottom:35px}.card-cta{font-size:11px;padding:10px 13px;gap:16px}.section-top{align-items:start}.section-top h2{font-size:21px}.section-top p{font-size:10px;max-width:130px;text-align:right;line-height:1.6}.reward-strip{gap:15px;padding:18px 19px;grid-template-columns:1fr auto}.reward-tag{font-size:14px}.reward-strip p{grid-column:1/-1;grid-row:2;font-size:11px}.rules{padding:0 19px}.rules summary{font-size:12px}.site-footer{padding:23px 22px;flex-direction:column;gap:5px;margin-top:35px}.game-layout{grid-template-columns:1fr;gap:24px;max-width:460px}.side-panel{display:grid;grid-template-columns:1fr}.instruction-box{padding:18px 21px}.instruction-box ol{display:flex;flex-wrap:wrap;gap:10px 25px}.instruction-box li{flex:1 1 140px}.instruction-box li+li{margin-top:0}.game-heading h1,.quiz-header h1{font-size:24px}.view-top{padding:15px 0}.court-shell{max-width:400px}.game-heading{margin-bottom:13px}.score-bar{padding:11px 15px;margin-bottom:12px}.score-bar strong{font-size:19px}.score-bar>div+div{padding-left:14px}.quiz-mini{padding:10px;font-size:10px}.question-card{padding:24px 20px}.question-card h2{font-size:19px}.option{padding:13px;gap:11px;font-size:13px}.question-number{font-size:10px}.quiz-header{margin-bottom:20px}.quiz-note{font-size:10px}.result-wrap h1{font-size:26px}.score-large{font-size:76px}.result-score{padding:25px 18px}.reward-status>div{padding:14px}.reward-status strong{font-size:12px}.reward-status p{font-size:10px}.result-actions .button{flex:1 1 42%;padding:12px}.result-actions .text-button{width:100%}.result-verify{font-size:11px;padding:17px}.connection{margin:10px 20px 0;font-size:11px}.aux{margin-top:14px}}
@media(max-width:370px){main{padding:0 16px}.site-header{padding:16px}.header-tag{font-size:9px}.hero h1{font-size:37px}.game-card{padding:20px 15px}.card-title{font-size:20px}.card-kicker{font-size:8px;letter-spacing:0}.card-cta{gap:10px;padding:10px 11px}.event-meta span{font-size:10px;padding:7px 9px}.quiz-header h1{font-size:21px}.quiz-header{gap:8px}.quiz-mini{font-size:9px}.question-card{padding:21px 16px}.question-card h2{font-size:18px}.view-label{font-size:9px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media(max-width:760px){.hero-art{aspect-ratio:1.4}.hero-art svg{transform:none;height:100%}}