:root{--ink:#17211b;--paper:#f4f0e5;--card:#fffdf7;--green:#1f6247;--lime:#c9f269;--red:#b74732;--line:#c8c1b0}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"PingFang SC",sans-serif}.shell{max-width:1120px;margin:auto;padding:28px 38px 72px}.topbar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:22px}.brand{display:flex;align-items:center;gap:12px}.mark{display:grid;place-items:center;width:42px;height:42px;background:var(--ink);color:var(--lime);font-weight:900;border-radius:50%}.brand p,.brand h1{margin:0}.brand p{font-size:11px;letter-spacing:.14em;color:#6d756f}.brand h1{font-size:16px}.progress{width:180px;font-size:12px}.track{height:5px;background:#ddd7c9;margin-top:8px;border-radius:5px;overflow:hidden}.track i{display:block;height:100%;width:0;background:var(--green);transition:.3s}.intro{padding:66px 0 48px;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:end}.eyebrow{grid-column:1/-1;text-transform:uppercase;font-size:12px;letter-spacing:.22em;color:var(--green);font-weight:bold}.intro h2{font-family:Georgia,"Songti SC",serif;font-size:clamp(36px,5vw,64px);line-height:1.08;margin:0;letter-spacing:-.04em}.intro>p:last-child{max-width:420px;line-height:1.8;color:#5d665f;margin:0 0 6px}.game{display:grid;grid-template-columns:220px 1fr;border-top:1px solid var(--ink);padding-top:22px}.levels{display:flex;flex-direction:column;gap:5px;padding-right:32px}.level-tab{appearance:none;border:0;background:transparent;text-align:left;padding:15px 14px;font:inherit;color:#798079;cursor:pointer;border-left:3px solid transparent}.level-tab strong{display:block;color:inherit;font-size:14px;margin-bottom:4px}.level-tab span{font-size:11px}.level-tab.active{background:#e6e1d4;border-color:var(--green);color:var(--ink)}.level-tab.done strong:after{content:" ✓";color:var(--green)}.board{background:var(--card);border:1px solid var(--ink);padding:30px 34px;box-shadow:7px 7px 0 var(--ink)}.board-head{display:flex;justify-content:space-between;align-items:start}.board-head>div{display:flex;gap:14px;align-items:baseline}.board-head span{font-family:Georgia,serif;color:var(--green);font-size:20px}.board h3{font-family:Georgia,"Songti SC",serif;font-size:27px;margin:0}.text-btn{border:0;background:none;text-decoration:underline;cursor:pointer;color:#697269}.hint{font-size:13px;color:#70766e;margin:12px 0 24px;padding-left:37px}.event-list{padding:0;margin:0;list-style:none;display:grid;gap:9px}.event{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:12px;background:#f2efe6;border:1px solid transparent;padding:14px 12px;cursor:grab;transition:.16s}.event.dragging{opacity:.35}.event.wrong{border-color:var(--red);background:#fff1ed}.event.wrong:after{content:"位置不对";font-size:11px;color:var(--red);font-weight:bold}.handle{font-size:19px;color:#9b9b91;letter-spacing:-3px}.event-copy strong{display:block;font-size:15px}.event-copy small{display:block;margin-top:5px;color:#777f78}.move{display:flex;gap:4px}.move button{width:28px;height:28px;border:1px solid #bbb7ab;background:var(--card);cursor:pointer}.message{min-height:44px;padding:14px 0 0;font-size:13px;color:#6e756e}.message.success{color:var(--green);font-weight:bold}.actions{display:flex;gap:10px;justify-content:flex-end}.primary,.next{border:0;background:var(--ink);color:white;padding:13px 18px;font-weight:bold;cursor:pointer}.primary span{color:var(--lime);margin-left:14px}.next{background:var(--green)}button:focus-visible{outline:3px solid var(--lime);outline-offset:2px}@media(max-width:720px){.shell{padding:20px 16px 50px}.topbar{align-items:flex-start}.brand p{display:none}.progress{width:120px}.intro{padding:45px 0 35px;grid-template-columns:1fr}.intro h2{font-size:39px}.eyebrow{margin:0}.game{grid-template-columns:1fr}.levels{flex-direction:row;overflow:auto;padding:0 0 14px}.level-tab{min-width:130px;border-left:0;border-bottom:3px solid transparent}.board{padding:22px 15px;box-shadow:4px 4px 0 var(--ink)}.board h3{font-size:22px}.hint{padding-left:0}.event{grid-template-columns:25px 1fr auto;padding:12px 8px}.event.wrong:after{display:none}.event-copy strong{font-size:14px}.event-copy small{font-size:11px}.actions button{flex:1}.board-head .text-btn{font-size:12px}}