:root{--ink:#25352c;--cream:#fff8df;--green:#1e8f5a;--orange:#e87924;--gold:#f4bd38}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:var(--ink);background:#eaf1d1;font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif}button{font:inherit}.sprite{background:url(/anime-sprites.png) 0%/400% 100% no-repeat;width:100%;height:100%;display:block}.sprite-0{background-position-x:0%}.sprite-1{background-position-x:33.333%}.sprite-2,.sprite-3{background-image:url(/thief-sprites-v2.png);background-size:200% 100%}.sprite-2{background-position-x:0%}.sprite-3{background-position-x:100%}.intro,.finish{background:url(/corn-base-board.png) 50%/cover;place-items:center;min-height:100vh;padding:24px;display:grid;position:relative;overflow:hidden}.intro-overlay{background:linear-gradient(90deg,#163d268c,#ffefb72e,#163d268c);position:absolute;inset:0}.intro-card,.finish-card{text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffbe8f0;border:4px solid #fffc;border-radius:30px;width:min(1040px,96vw);padding:28px 36px 30px;position:relative;box-shadow:0 24px 70px #29301659}.curriculum{color:#537259;letter-spacing:.04em;font-weight:800}.intro-heroes{grid-template-columns:185px 1fr 185px;align-items:end;gap:12px;margin-top:4px;display:grid}.intro-sprite{height:280px}.corn-badge{color:#fff;background:#246d42;border-radius:999px;padding:8px 16px;font-weight:900;display:inline-block}.intro h1{color:#274e33;text-shadow:0 3px #ffe49b;margin:10px 0 8px;font-size:clamp(38px,5vw,64px);line-height:1.05}.intro p{max-width:610px;margin:8px auto;font-size:18px;line-height:1.65}.rules{flex-wrap:wrap;justify-content:center;gap:14px;margin:16px 0 8px;display:flex}.rules span{background:#f2ead0;border-radius:14px;padding:10px 16px;font-weight:800}.rules b{color:var(--orange);margin-right:4px}.event-tip{color:#6f4b21;font-weight:700;font-size:16px!important}.start-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#1f955d,#146d42);border:0;border-radius:16px;margin-top:12px;padding:14px 34px;font-size:22px;font-weight:900;box-shadow:0 8px #0b5030,0 13px 25px #13553240}.start-button:active{transform:translateY(4px);box-shadow:0 4px #0b5030}.game{background:linear-gradient(#ecf4cee6,#fff4d2eb),url(/corn-base-board.png) 50%/cover fixed;min-height:100vh;padding:10px 14px 14px}.game-header{color:#fff;background:linear-gradient(100deg,#225b39,#2a7b4b);border-radius:18px;grid-template-columns:1fr auto;align-items:center;gap:12px;min-height:64px;padding:8px 16px;display:grid;box-shadow:0 6px 18px #1d392438}.game-header>div:first-child{flex-direction:column;display:flex}.game-header b{font-size:21px}.game-header small{color:#d8f0d8;margin-top:3px}.round-status{align-items:center;gap:12px;display:flex}.round-status span,.round-status b{background:#ffffff21;border-radius:11px;padding:8px 12px;font-size:16px}.round-status b{color:#fff0a7}.round-status .urgent{background:#a92f32;animation:.8s infinite pulse}.scene-ribbon{justify-content:center;gap:10px;padding:8px 0;display:flex}.scene-ribbon span{background:#fffbe1db;border:2px solid #47672f40;border-radius:999px;padding:6px 13px;font-size:14px;font-weight:800}.arena{grid-template-columns:minmax(210px,.64fr) minmax(620px,2.15fr) minmax(210px,.64fr);align-items:stretch;gap:10px;max-width:1600px;margin:0 auto;display:grid}.player-panel{background:#fffbe5f5;border:3px solid #d7c984;border-radius:20px;min-width:0;padding:9px;box-shadow:0 8px 22px #47422229}.panel-0{border-color:#60a779}.panel-1{border-color:#e99a53}.player-heading{background:#eff6dc;border-radius:14px;grid-template-columns:82px 1fr 50px;align-items:center;gap:4px;height:118px;padding:4px 6px 0;display:grid;overflow:hidden}.panel-1 .player-heading{background:#fff0d5}.panel-sprite{height:112px}.player-heading small{color:#627161;font-weight:800}.player-heading h2{margin:2px 0;font-size:24px}.player-heading span{font-size:14px;font-weight:800}.target{flex-direction:column;align-items:center;height:84px;display:flex}.target .sprite{height:66px}.target small{white-space:nowrap;font-size:11px}.dice-button{color:#fff;cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;gap:10px;width:100%;min-height:66px;margin:8px 0;font-size:18px;font-weight:900;display:flex;box-shadow:inset 0 -5px #00000021}.dice-button.green{background:linear-gradient(135deg,#2ea96c,#147247)}.dice-button.orange{background:linear-gradient(135deg,#f09a3d,#d75d1d)}.dice-button:disabled{cursor:default;filter:saturate(.6);opacity:.76}.dice-face{color:#2f513b;background:#fff;border-radius:10px;place-items:center;width:46px;height:46px;font-size:25px;display:grid;box-shadow:inset 0 0 0 3px #0000001f}.question-card{background:#fffdf4;border:2px solid #eadcae;border-radius:14px;min-height:390px;padding:10px}.waiting{color:#7b795f;text-align:center;align-content:center;place-items:center;min-height:340px;display:grid}.waiting span{font-size:52px}.waiting b{font-size:22px}.waiting p{margin:6px;font-size:15px}.question-meta{flex-wrap:wrap;gap:5px;display:flex}.question-meta span{color:#626041;background:#efe8c9;border-radius:999px;padding:4px 7px;font-size:12px;font-weight:800}.question-meta .level-easy{color:#237443;background:#daf4df}.question-meta .level-hard{color:#7c3980;background:#f1d8f2}.question-card h3{color:#2e3f33;min-height:72px;margin:10px 2px;font-size:19px;line-height:1.45}.options{gap:8px;display:grid}.options button{color:#29392f;text-align:left;cursor:pointer;background:#fff;border:2px solid #d9cfa6;border-radius:12px;min-height:60px;padding:8px 10px;font-size:17px;font-weight:750;line-height:1.35}.options button span{color:#553a08;background:#f0c14c;border-radius:50%;place-items:center;width:30px;height:30px;margin-right:7px;font-weight:900;display:inline-grid}.options button:not(:disabled):active{transform:scale(.98)}.options button:disabled{opacity:.7;cursor:default}.feedback{color:#6a694f;background:#f3efdc;border-radius:10px;min-height:52px;margin-top:8px;padding:8px;font-size:13px;line-height:1.35}.feedback.correct{color:#1d7140;background:#dff3e4;font-weight:800}.feedback.wrong{color:#8a551f;background:#fff0db}.board-wrap{background:#fff8d6eb;border:4px solid #5a773c;border-radius:22px;min-width:0;padding:38px 9px 9px;position:relative;overflow:hidden;box-shadow:0 10px 28px #31482638}.board-note{z-index:3;color:#fff6be;text-align:center;background:#2a4f2be0;border-radius:999px;width:max-content;max-width:94%;padding:5px 12px;font-size:13px;font-weight:800;position:absolute;top:8px;left:50%;transform:translate(-50%)}.grid{background:linear-gradient(#1f422133,#1f422133),url(/corn-base-board.png) 50%/cover;border-radius:15px;gap:3px;height:min(65vh,650px);min-height:500px;padding:7px;display:grid}.cell{background:#f5dc8c61;border:1px solid #ffffffc2;border-radius:8px;min-width:0;min-height:0;padding:0;position:relative;overflow:visible}.cell:nth-child(2n){background:#84b04847}.cell.allowed{cursor:pointer;z-index:4;animation:.75s infinite alternate cellGlow}.cell.allowed.active-0{background:#40cb6f61;box-shadow:inset 0 0 0 4px #31d276,0 0 16px #42e989}.cell.allowed.active-1{background:#ff9f3a61;box-shadow:inset 0 0 0 4px #ff9a38,0 0 16px #ffb352}.token{pointer-events:none;filter:drop-shadow(0 3px 2px #00000059);z-index:3;width:58%;height:96%;position:absolute;bottom:1px;left:50%;transform:translate(-50%)}.token .sprite{height:78%}.token i{color:#fff;text-shadow:0 1px 2px #000000a6;white-space:nowrap;background:#142619e6;border-radius:6px;padding:2px 5px;font-size:clamp(12px,.84vw,15px);font-style:normal;font-weight:900;line-height:1.15;position:absolute;bottom:-1px;left:50%;transform:translate(-50%)}.token-2,.token-3{height:88%}.token-0 i{background:#147247}.token-1 i{background:#c95818}.token-2 i{background:#632b85}.token-3 i{background:#a94118}.token.stack-1{left:67%;transform:translate(-50%)scale(.82)}.token.stack-2{left:35%;transform:translate(-50%)scale(.76)}.token.stack-3{left:76%;transform:translate(-50%)scale(.72)}.legend{justify-content:center;align-items:center;gap:6px;min-height:28px;font-size:13px;font-weight:800;display:flex}.green-dot{color:var(--green)}.orange-dot{color:var(--orange);margin-left:12px}.board-wrap.frozen:after{content:"❄ 学生冰冻中";z-index:20;color:#e9fbff;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#27779f54;place-items:center;font-size:36px;font-weight:900;animation:.55s infinite alternate freezePulse;display:grid;position:absolute;inset:0}.event-overlay{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#151c1785;place-items:center;display:grid;position:fixed;inset:0}.event-burst{text-align:center;color:#fff;background:radial-gradient(circle,#7e3b93,#3c1e50 68%);border:6px solid #fff;border-radius:28px;width:min(620px,90vw);padding:26px;animation:.45s cubic-bezier(.2,1.5,.5,1) eventPop;box-shadow:0 0 60px #ffffff80}.event-student .event-burst{background:radial-gradient(circle,#35a56b,#164f35 68%)}.event-escape .event-burst{background:radial-gradient(circle,#db8a32,#6f3c17 68%)}.event-duo{justify-content:center;gap:0;height:190px;display:flex}.event-duo .sprite{width:160px;height:190px;animation:.65s infinite alternate duoBounce}.event-duo .sprite+.sprite{animation-delay:.18s}.event-duo.single .sprite{width:190px}.event-burst h2{margin:4px;font-size:38px}.event-burst p{max-width:500px;margin:6px auto 0;font-size:18px;font-weight:800;line-height:1.5}.finish-card{width:min(760px,94vw)}.finish-card>span{color:#5a715a;font-weight:900}.finish-corn{font-size:70px}.finish h1{color:#2a633f;margin:6px 0;font-size:40px}.finish p{font-size:18px;line-height:1.55}.score-row{grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;display:grid}.score-card{background:#f5f7e8;border:3px solid #b7c6a4;border-radius:18px;grid-template-rows:1fr 1fr;grid-template-columns:110px 1fr;align-items:center;height:180px;padding:8px;display:grid}.score-card.side-1{background:#fff2dc;border-color:#e6a168}.score-card.winner{box-shadow:0 0 0 6px #f1c448}.score-sprite{grid-row:1/3;height:164px}.score-card strong{align-self:end;font-size:26px}.score-card small{align-self:start;font-size:14px}@keyframes cellGlow{to{filter:brightness(1.18)}}@keyframes pulse{50%{transform:scale(1.04)}}@keyframes freezePulse{to{background:#4aa9d37a}}@keyframes eventPop{0%{opacity:0;transform:scale(.45)rotate(-5deg)}to{opacity:1;transform:scale(1)}}@keyframes duoBounce{to{transform:translateY(-12px)rotate(-2deg)}}@media (width<=1180px){.arena{grid-template-columns:205px minmax(540px,1fr) 205px}.player-heading{grid-template-columns:66px 1fr 42px}.question-card h3{font-size:17px}.options button{font-size:15px}.grid{min-height:470px}}@media (width<=900px){.game{min-width:900px}.game-header{min-width:870px}.arena{grid-template-columns:230px 430px 230px}}@media (height<=760px) and (width>=901px){.game{padding-top:6px}.game-header{min-height:54px}.scene-ribbon{padding:5px 0}.player-heading{height:94px}.panel-sprite{height:92px}.question-card{min-height:320px}.waiting{min-height:280px}.question-card h3{min-height:58px;font-size:17px}.options button{min-height:50px;font-size:15px}.feedback{min-height:42px}.grid{height:500px;min-height:430px}}