:root{--ink:#202b2b;--bg:#edf3ed;--accent:#ffdf4d;--mint:#bde4ca;--pink:#ffd1dc;--blue:#cde8f9;--white:#fffef9;--line:2px solid var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}body[data-teacher=ke]{--bg:#eef2fa;--mint:#bbd4f0;--accent:#b9e19b}button,a,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #1267ac;outline-offset:4px}button:disabled{cursor:default}button{touch-action:manipulation}.topbar{max-width:1400px;margin:auto;padding:23px 38px;display:flex;align-items:center;justify-content:space-between;border-bottom:var(--line);gap:16px}.brand{font-size:21px;font-weight:900;display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;background:var(--accent);border:var(--line);width:34px;height:34px;transform:rotate(-8deg)}.nav{display:flex;gap:6px}.nav a{text-decoration:none;padding:9px 18px;border:2px solid transparent;border-radius:5px;font-weight:700;font-size:15px}.nav a[aria-current]{background:var(--ink);color:white;border-color:var(--ink)}.layout{max-width:1400px;margin:auto;padding:32px 38px 22px;display:grid;grid-template-columns:280px minmax(0,1fr);gap:32px}.intro{min-width:0}.edition{display:inline-block;font-size:14px;font-weight:700;border:var(--line);padding:5px 10px;background:var(--mint);transform:rotate(-2deg)}h1{font-size:38px;line-height:1.22;letter-spacing:-.03em;margin:20px 0 12px;font-weight:950;text-wrap:balance}.subtitle{font-size:16px;line-height:1.7;margin:0 0 22px}.art{border:var(--line);border-radius:9px;overflow:hidden;background:white;transform:rotate(-1.5deg)}.art img{width:100%;height:240px;object-fit:cover;object-position:top;display:block}.art-caption{border-top:var(--line);padding:11px 14px;font-size:14px;font-weight:700;display:flex;justify-content:space-between;background:var(--accent)}.blessing{font-family:"Kaiti SC",STKaiti,serif;font-size:18px;line-height:1.8;margin:24px 2px 14px}.blessing strong{display:block}.intro small{font-size:13px;color:#52605c}.play-area{min-width:0}.play-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}h2{font-size:23px;margin:0;font-weight:900}.round-note{font-size:14px;margin:7px 0 0}.button{border:var(--line);background:var(--white);border-radius:5px;padding:10px 15px;font-weight:750;box-shadow:2px 3px 0 var(--ink);white-space:nowrap}.button:hover{background:var(--accent)}.button:active{transform:translate(2px,2px);box-shadow:none}.game-columns{display:grid;grid-template-columns:minmax(300px,1.5fr) minmax(235px,1fr);gap:22px;align-items:start}.machine{border:var(--line);border-radius:10px;background:var(--white);padding:16px;box-shadow:4px 5px 0 var(--ink)}.meters{display:flex;justify-content:space-between;align-items:center;padding:0 2px 14px;gap:10px;border-bottom:var(--line)}.meter{display:flex;flex-direction:column;gap:3px;font-size:13px}.meter strong{font:800 23px/1.2 ui-monospace,monospace;letter-spacing:.04em}.smile{width:41px;height:41px;display:grid;place-items:center;background:var(--accent);border:var(--line);border-radius:50%;font-size:26px;line-height:1}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:13px 0;font-size:13px}.modes{display:flex;border:var(--line);border-radius:5px;overflow:hidden}.modes button{border:0;background:transparent;padding:7px 10px;font-size:14px;font-weight:700}.modes button[aria-pressed=true]{background:var(--ink);color:white}.grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}.cell{position:relative;min-width:0;aspect-ratio:1;border:2px solid var(--ink);border-radius:5px;background:var(--mint);box-shadow:0 3px 0 var(--ink);display:flex;align-items:center;justify-content:center;padding:3px;transition:transform .15s,background .15s}.cell:not(.revealed):hover:not(:disabled){background:var(--accent);transform:translateY(-2px)}.cell .cover{font-size:26px;font-family:Georgia,serif;font-weight:900;opacity:.7}.cell:nth-child(5n+2):not(.revealed):not(.flagged){background:color-mix(in srgb,var(--mint) 70%,white)}.cell.revealed{box-shadow:none;border-color:#bac4ba;background:#f4f5ee}.cell.revealed.reward{background:#fff0a3;border-color:#84753b}.cell.revealed.mystery{background:#e4d9fb;border-color:#9681b6}.cell.revealed.mine{background:var(--pink);border-color:#c04b67}.cell.exploded{background:#e64361!important;color:white;border:2px solid var(--ink)}.cell.flagged{background:var(--accent)}.tile-symbol{font-size:21px;font-weight:900}.adjacent{position:absolute;bottom:3px;right:5px;font-size:12px;font-weight:900;color:#27538e}.cell.selected{outline:3px solid var(--ink);outline-offset:1px;z-index:1}.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;padding-top:16px;line-height:1.6}.legend span{white-space:nowrap}.legend b{font-size:15px}.board-hint{font-size:13px;line-height:1.6;margin:12px 0 0;color:#43524a}.loot{min-width:0}.ticket{border:var(--line);border-radius:9px;background:var(--accent);overflow:hidden;min-height:277px;display:flex;flex-direction:column}.ticket-head{border-bottom:2px dashed var(--ink);padding:13px 16px;display:flex;justify-content:space-between;font-size:14px;font-weight:800}.ticket-body{padding:23px 20px;flex:1;display:flex;flex-direction:column;justify-content:center}.ticket-type{font-size:14px;font-weight:800;margin:0 0 13px}.ticket-text{font-size:25px;line-height:1.5;margin:0;font-weight:850;overflow-wrap:anywhere}.ticket-text.long{font-size:20px}.ticket-foot{padding:12px 16px;font-size:13px;background:#ffffff70;line-height:1.7}.ticket.quote{background:var(--mint)}.ticket.reward{background:#ffe46a}.ticket.mystery{background:#d8c6f5}.ticket.mine{background:var(--pink)}.loot-heading{font-size:16px;display:flex;justify-content:space-between;align-items:center;margin:24px 0 11px}.empty{font-size:14px;line-height:1.8;color:#52605c}.loot-list{list-style:none;padding:0;margin:0;max-height:190px;overflow-y:auto}.loot-list li{font-size:14px;line-height:1.6;border-bottom:1px solid #b5bfb5;padding:10px 0;display:flex;gap:8px}.loot-list i{font-style:normal;flex:none}.result{background:var(--pink);border:var(--line);border-radius:6px;margin:22px 0 0;padding:16px;line-height:1.7}.result.win{background:var(--mint)}.result h3{margin:0 0 5px;font-size:20px}.result p{margin:0;font-size:15px}.collection{margin-top:27px;border-top:var(--line);padding-top:19px}.collection summary{cursor:pointer;font-size:17px;font-weight:800}.collection summary span{font-size:13px;font-weight:400;margin-left:10px}.quote-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:0 22px;padding:0;margin:16px 0}.quote-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;padding:13px 0;border-bottom:1px solid #bec8be}.quote-list .quote-number{flex:none;font:700 13px/2.1 ui-monospace,monospace;color:#556158}.quote-list .found .quote-number{color:#244f37}.quote-list .found{font-weight:700}.rules{font-size:14px;line-height:1.8;margin-top:19px}.rules summary{cursor:pointer;text-decoration:underline;text-underline-offset:4px}.rules ol{padding-left:23px}.footer{max-width:1324px;margin:16px auto 0;border-top:1px solid #aab9ae;padding:19px 0 24px;display:flex;justify-content:space-between;gap:14px;font-size:13px;color:#46534e}.screenreader{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(min-width:1500px){.layout{padding-top:45px}.grid{gap:8px}.art img{height:260px}}@media(max-width:1150px){.layout{grid-template-columns:235px minmax(0,1fr);gap:24px;padding:25px}.game-columns{grid-template-columns:minmax(290px,1.35fr) minmax(200px,1fr);gap:18px}h1{font-size:34px}.ticket-text{font-size:22px}.machine{padding:12px}.footer{margin-left:25px;margin-right:25px}}@media(max-width:940px){.layout{grid-template-columns:1fr}.intro{display:grid;grid-template-columns:1fr 180px;gap:0 20px;align-items:start}.intro-copy{grid-column:1}.art{grid-column:2;grid-row:1/3}.art img{height:150px}.art-caption{font-size:12px;padding:7px}.blessing{font-size:16px;margin:5px 0 0;grid-column:1}.intro small{display:none}h1{font-size:34px;max-width:600px;margin-top:14px}.subtitle{margin-bottom:8px}.game-columns{grid-template-columns:minmax(300px,1.3fr) minmax(230px,1fr)}.ticket{min-height:300px}.topbar{padding:18px 25px}}@media(max-width:600px){.topbar{padding:14px 16px;gap:7px}.brand{font-size:17px;gap:7px}.brand-mark{width:28px;height:28px}.nav{gap:0}.nav a{padding:7px 9px;font-size:14px}.layout{padding:22px 16px;gap:24px}.intro{grid-template-columns:1fr 103px;gap:0 12px}.edition{font-size:12px;padding:4px 6px}h1{font-size:29px;margin:13px 0 9px}.subtitle{font-size:14px}.art img{height:140px}.art-caption{font-size:12px;padding:7px 4px;justify-content:center}.art-caption span:last-child{display:none}.blessing{font-size:14px;grid-column:1/-1;margin:14px 0 0}.blessing strong{display:inline;margin-right:7px}.game-columns{grid-template-columns:1fr;gap:22px}.play-heading{align-items:center}h2{font-size:22px}.round-note{font-size:13px}.button{font-size:14px;padding:9px 11px}.machine{padding:14px}.cell .cover{font-size:25px}.tile-symbol{font-size:21px}.ticket{min-height:200px}.ticket-body{padding:20px}.ticket-text{font-size:24px}.loot-list{max-height:200px}.loot-heading{margin-top:20px}.quote-list{grid-template-columns:1fr}.collection summary span{display:block;margin:7px 0 0 19px}.footer{margin:0 16px;flex-direction:column;font-size:12px;gap:6px}.toolbar{font-size:12px}.modes button{font-size:14px}.legend{gap:13px}.result{margin-top:18px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.mobile-reveal{width:calc(100% - 32px);max-width:390px;padding:0 0 18px;border:var(--line);border-radius:12px;background:var(--white);max-height:85dvh;overflow:auto}.mobile-reveal::backdrop{background:#182721aa}.mobile-reveal .ticket{border:0;border-radius:0;min-height:220px}.mobile-reveal>.button{display:block;margin:18px auto 0;min-width:150px}.mobile-reveal .ticket-body{padding:28px 23px}
/* The covered surface is raised; opened cells use a flat numbered face. */
.grid{grid-template-columns:repeat(8,minmax(0,1fr));gap:4px;background:#b4c0b8;padding:4px;border:1px solid #66776b;border-radius:5px}
.cell{border-radius:2px;background:var(--mint);border:2px solid #42594b;box-shadow:inset 2px 2px 0 #ffffffba,inset -2px -2px 0 #718d79;min-height:30px;padding:0}
.cell.revealed{border:1px solid #a9b5ac;background:#fbfcf9;box-shadow:none}
.cell.revealed.quote{background:#e5f4de;border-color:#81a575}
.cell.revealed.reward{background:#fff1b7;border-color:#b49c45}
.cell.revealed.mystery{background:#ece3f9;border-color:#a18bbd}
.cell.selected{outline:3px solid #223c2c;outline-offset:0;z-index:1}
.mine-number{font:900 clamp(18px,2.4vw,27px)/1 ui-monospace,monospace;color:#2455ab}
.n0{color:#758177;font-size:17px}.n2{color:#287543}.n3{color:#bc3247}.n4{color:#663d9b}.n5,.n6,.n7,.n8{color:#873213}
.cell.quote .mine-number,.cell.reward .mine-number,.cell.mystery .mine-number{transform:translate(-4px,-4px)}
.event-badge{position:absolute;right:1px;bottom:1px;min-width:16px;height:16px;padding:0 2px;display:grid;place-items:center;font-size:11px;line-height:1;font-weight:900;border-radius:2px;background:#386e39;color:white}
.event-badge.reward{background:#735500}.event-badge.mystery{background:#704597}
.art img{height:auto;object-fit:contain;aspect-ratio:auto}.poster-button{display:block;border:0;background:transparent;padding:0;width:100%;cursor:zoom-in}.art-caption{font-size:13px}
.intro small{display:block;line-height:1.7}
.poster-dialog{padding:14px;border:var(--line);border-radius:10px;width:min(90vw,720px);max-height:90dvh;background:var(--white)}.poster-dialog::backdrop{background:#182721ba}.poster-dialog form{position:sticky;top:0;display:flex;justify-content:flex-end;margin-bottom:14px}.poster-dialog img{display:block;width:100%;height:auto}
.ticket.safe{background:#edf1ec}.ticket-head span:last-child{font-size:13px}.legend{gap:8px;font-size:12px}
@media(max-width:940px){.intro small{grid-column:1}.art img{height:auto}.intro{align-items:start}}
@media(max-width:600px){
 .layout{display:flex;flex-direction:column;gap:18px;padding-top:17px}.intro{display:contents}.intro-copy{order:0}.intro small{order:0;margin:-8px 0 0;font-size:13px}.play-area{order:1}.art{order:2;transform:none;width:100%;margin-top:12px}.blessing{order:3;margin:0}.art img{height:auto}.art-caption{justify-content:space-between;padding:12px;font-size:14px}.art-caption span:last-child{display:inline}
 h1{font-size:29px;margin:12px 0 8px}.play-heading{gap:8px;margin-bottom:14px}.play-heading h2{font-size:19px}.round-note{font-size:12px}.button{padding:9px 10px}.machine{padding:10px}.grid{gap:3px;padding:3px}.cell{min-height:28px}.mine-number{font-size:23px}.n0{font-size:17px}.event-badge{min-width:14px;height:14px;font-size:10px}.legend{font-size:12px;gap:8px}.board-hint{font-size:12px}.toolbar{padding:10px 0}.meters{padding-bottom:10px}.game-columns{gap:18px}.collection{margin-top:18px}.ticket{min-height:185px}
}
@media(max-width:350px){.topbar{padding:12px}.brand{font-size:15px}.nav a{padding:7px;font-size:13px}.layout{padding-left:10px;padding-right:10px}.machine{padding:8px}.mine-number{font-size:19px}.event-badge{font-size:10px;min-width:12px;height:12px}}

.brand-mark{flex-shrink:0}.brand-text{min-width:0;line-height:1.5}.nav{flex-shrink:0}
@media(max-width:600px){.topbar{flex-wrap:wrap;row-gap:10px}.brand{width:100%}.nav{margin-left:auto}}

.intro-copy{margin-bottom:22px}
.intro-copy .subtitle{font-size:24px;font-weight:650;line-height:1.5;margin:14px 0 0}
.subtitle span{display:inline-block}
.intro .intro-note{display:block;font-size:14px;line-height:1.7;margin:12px 0 0;color:#52605c}
@media(min-width:601px) and (max-width:940px){
 .intro{grid-template-columns:minmax(0,1fr) 164px;align-items:center;gap:24px}
 .intro-copy{margin:0}.intro .art{grid-row:1;grid-column:2}
 .intro-copy .subtitle{font-size:25px}.intro h1{margin:18px 0 0}
}
@media(max-width:600px){
 .intro-copy{margin:0}.intro-copy .subtitle{font-size:21px;margin:10px 0 0}
 .intro .intro-note{font-size:13px;margin:9px 0 0}
}

.play-heading{justify-content:flex-end;margin-bottom:12px}

.mobile-info{border-top:var(--line);margin-top:18px;padding-top:16px}
.mobile-info>summary{cursor:pointer;font-size:16px;font-weight:800;line-height:1.6;padding:4px 0}
.mobile-info>summary span{float:right;font-size:13px;font-weight:400}
.mobile-info .loot{margin-top:16px}.mobile-info .art{margin-top:24px}
@media(max-width:600px){
 .play-heading{display:none}.meters .smile{display:none}.meters #restart{font-size:13px;padding:9px 10px;min-height:40px}
 .topbar{padding-top:10px;padding-bottom:10px;row-gap:6px}.layout{padding-top:14px;gap:16px}
 .intro-copy .edition{display:none}.intro-copy h1{font-size:27px;margin-top:0;margin-bottom:0}
 .intro-copy .subtitle{font-size:20px;margin-top:7px}.intro .intro-note{margin-top:6px}
 .modes button{min-height:42px;padding:9px 14px}.toolbar{padding:8px 0}
 .mobile-info .loot-list{max-height:none}.mobile-info .art{transform:none}
}