:root{--ink:#213d36;--muted:#7a8982;--green:#2f6553;--line:#e5e9df;--cream:#f7f8f2;--gold:#b38b43}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font-family:"Segoe UI","Microsoft JhengHei",sans-serif;font-size:14px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;transition:background .18s,transform .18s}button:disabled{cursor:not-allowed;opacity:.42}button:not(:disabled):active{transform:translateY(1px)}button:focus-visible,a:focus-visible{outline:3px solid #c49b55;outline-offset:4px}button[hidden],[hidden]{display:none!important}.topbar{height:86px;padding:0 5%;background:#fffef9;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-weight:700;font-size:20px;letter-spacing:2px}.brand-mark{display:grid;place-items:center;width:41px;height:41px;background:var(--ink);color:#f2dfb1;border-radius:12px;font-size:23px;font-family:serif}.brand-en{font-size:11px;letter-spacing:2px;margin-left:6px}.brand small{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:2px;margin-top:3px}.prototype{background:#edf3eb;border:1px solid #dae4d7;border-radius:20px;padding:8px 14px;font-size:12px;display:flex;gap:9px;align-items:center}.prototype i,.difficulty i{width:6px;height:6px;border-radius:50%;background:#72a47e;display:inline-block}.prototype span{color:#8a998f;font-size:10px}.help-button{background:none;border:0;color:var(--muted);font-size:12px}.help-button span{display:inline-grid;place-items:center;border:1px solid #a3afa5;width:20px;height:20px;border-radius:50%;margin-left:8px}main{max-width:1450px;margin:auto;padding:35px 5% 0}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.eyebrow,.section-overline{font-size:10px;letter-spacing:2.2px;font-weight:700;color:#80917e}.page-heading h1{font-size:29px;letter-spacing:2px;font-weight:600;margin:9px 0 0}.page-heading h1 span{font-size:12px;font-weight:400;letter-spacing:1px;color:var(--muted);margin-left:20px}.guest{display:flex;gap:11px;align-items:center;font-size:12px}.avatar{border-radius:50%;background:#e4eadd;color:#71816b;display:grid;place-items:center;width:38px;height:38px}.guest small{display:block;margin-top:5px;color:#8b968e;font-size:10px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.game-card{background:#fffefb;border:1px solid #e1e6da;border-radius:20px;overflow:hidden;box-shadow:0 12px 30px #344c3510}.stage-header{padding:21px 26px;display:flex;align-items:center;justify-content:space-between}.stage-header>div{display:flex;gap:13px;align-items:center}.level-tag{display:grid;place-items:center;width:42px;height:42px;border:1px solid #dedfce;border-radius:12px;background:#f5f3e8;color:#9c884f;font-family:Georgia,serif;font-size:23px}.stage-header h2{font-size:17px;font-weight:600;margin:0 0 5px;letter-spacing:1px}.stage-header p{font-size:11px;margin:0;color:var(--muted)}.difficulty{font-size:10px;color:#7a8c71;display:flex;align-items:center;gap:7px}.hud{display:flex;border-top:1px solid #eeefe5;margin:0 26px;padding:16px 0;gap:30px;align-items:center}.hud>div{display:flex;gap:10px;align-items:center}.hud small{display:block;font-size:10px;color:var(--muted);margin-bottom:4px}.hud strong{font-size:20px;font-weight:600;font-variant-numeric:tabular-nums}.hud em{font-size:12px;color:#9aa49a;font-style:normal;font-weight:400}.hud-icon{font-size:26px}.coin{color:#bf9948}.heart{color:#c4817a}.wave{color:#829fb0}.hud .timer{margin-left:auto;display:block;text-align:right}.timer strong{font-size:17px;color:#6c7d70;font-weight:400}.board-wrap{position:relative;aspect-ratio:1000/640;margin:0 12px;border-radius:12px;overflow:hidden;background:#e4edde}canvas{display:block;width:100%;height:100%}.slots{position:absolute;inset:0}.slot{position:absolute;width:8%;height:12.5%;transform:translate(-50%,-50%);border:2px dashed #a2b69b88;border-radius:50%;color:#6e927a;background:#f8fff13b;font-size:25px;display:grid;place-items:center;padding:0;touch-action:manipulation}.slot:not(:disabled):active{transform:translate(-50%,-50%)}.slot.empty:hover{background:#ffffefab;border-color:#5c8870}.slot.occupied{border-color:transparent;background:none;color:transparent}.slot.occupied:hover{border-color:#658b6855}.slot.selected{border:2px solid #2e7052;box-shadow:0 0 0 5px #ffffff60}.slot.match{border:2px dashed #be9848;box-shadow:0 0 16px #fff0afaa;animation:match 1.6s infinite}.slot:disabled{opacity:1}.slot .slot-level{position:absolute;bottom:-3px;left:50%;transform:translateX(-50%);white-space:nowrap;color:#58634f;background:#fffcf0;border:1px solid #dddac3;border-radius:12px;font-size:9px;padding:2px 7px;letter-spacing:.3px;font-weight:600}.map-label{position:absolute;font-size:9px;color:#748873;letter-spacing:1px;pointer-events:none}.entrance{left:2%;top:20%}.core{right:2%;top:86%}.map-caption{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);font-size:10px;white-space:nowrap;display:flex;align-items:center;gap:7px;border:1px solid #ffffffa0;background:#fffcf0d9;color:#647b64;padding:8px 14px;border-radius:20px}.live-dot{height:5px;width:5px;border-radius:50%;background:#79a981}.game-controls{display:flex;gap:10px;padding:19px 24px 12px}.primary{border:0;border-radius:10px;background:var(--green);color:#fffef1;padding:13px 22px;letter-spacing:.5px;font-weight:600;box-shadow:0 4px 8px #1e4c3715}.primary:hover{background:#244f41}.game-controls .primary{flex:1;text-align:left;display:flex;justify-content:space-between}.game-controls .primary span{font-size:12px}.secondary{background:#f7f7ef;border:1px solid #e2e7d9;color:#627660;border-radius:10px;padding:11px 17px}.secondary:hover{background:#eaeee3}.restart{border:0;background:none;color:#89947f;padding:8px;font-size:20px}.restart span{font-size:11px;margin-left:4px}.tip{font-size:11px;text-align:center;color:#819079;min-height:43px;padding:1px 20px 17px;line-height:1.7}aside{display:flex;flex-direction:column;gap:16px}.guide-card{background:#244c40;color:#f5f5df;border-radius:18px;padding:24px 22px;position:relative;overflow:hidden}.guide-card:before{content:'✧';position:absolute;right:-12px;top:-45px;font-size:155px;color:#c8d8a80b;pointer-events:none}.guide-card .section-overline{color:#a4b79b;font-size:9px}.guide-card h2{font-size:20px;letter-spacing:.5px;font-weight:500;margin:10px 0}.aside-intro{font-size:11px;color:#abbfaf;margin:0 0 23px}.steps{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:19px}.steps li{display:flex;gap:13px}.steps li>span{border:1px solid #a4bc9755;border-radius:50%;width:25px;height:25px;flex-shrink:0;display:grid;place-items:center;color:#b9c5ac;font-size:11px}.steps li.active>span{background:#e1d6a7;color:#38513e;border-color:#e1d6a7}.steps li.done>span{background:#477a5c;color:#ecf1dd}.steps strong{font-size:12px;font-weight:500}.steps p{font-size:10px;line-height:1.8;color:#aac0ad;margin:5px 0 0}.guide-note{padding-top:18px;margin-top:20px;border-top:1px solid #708d6e55;font-size:10px;color:#cfceaa}.selection-card{padding:21px;background:#fffefb;border:1px solid var(--line);border-radius:16px}.card-title{display:flex;justify-content:space-between;align-items:center;gap:6px}.card-title h3{font-size:13px;font-weight:600;margin:0}.card-title>span{font-size:9px;color:#93a087}.selection-description{font-size:10px;line-height:1.7;color:#8d9686;margin:10px 0 15px}.elements{display:flex;flex-direction:column;gap:13px}.elements>div{display:flex;align-items:center;gap:11px}.element{height:34px;width:34px;border-radius:10px;display:grid;place-items:center;font-family:serif;font-size:16px;border:1px solid #ffffff}.element.gold{background:#f3ead1;color:#af8c3c}.element.wood{background:#e4eedf;color:#5f8b53}.element.water{background:#e0eced;color:#59959e}.elements strong{font-size:11px;font-weight:500;display:block}.elements small{font-size:9px;color:#969d8e;display:block;margin-top:4px}.elements em{font-size:9px;margin-left:auto;color:#a8afa0;font-style:normal}.locked-elements{border-top:1px dashed #e3e6d8;padding-top:12px;margin-top:16px;font-size:10px;color:#9ca48e}.locked-elements span{float:right;font-size:9px}.reward-card{border-radius:15px;border:1px solid #e5e1cd;background:#f3f0e3;padding:19px 16px;display:flex;gap:12px;align-items:center}.reward-symbol{font-size:35px;color:#b89d55}.reward-card .section-overline{font-size:8px;letter-spacing:1.3px;color:#a99a70}.reward-card h3{font-size:11px;font-weight:500;margin:7px 0}.reward-card p{font-size:10px;color:#958568;margin:0 0 5px}.reward-card b{font-weight:500;color:#927532}.reward-card small{font-size:9px;color:#a49b80}footer{display:flex;justify-content:space-between;gap:12px;padding:27px 0;font-size:10px;color:#98a18f}footer i{font-style:normal;margin:0 8px;color:#b9beaf}footer b{font-weight:500;color:#7c8d75}.paused-cover{position:absolute;inset:0;background:#1d392faa;backdrop-filter:blur(5px);display:flex;justify-content:center;align-items:center;flex-direction:column;gap:20px;color:white;letter-spacing:4px;font-size:23px}.paused-cover button{border:1px solid #d0dec3;background:#e7eddc;border-radius:9px;color:#385140;padding:12px 22px;font-size:13px;letter-spacing:0}dialog{border:1px solid #dce3d3;border-radius:22px;padding:36px;width:min(490px,calc(100% - 32px));color:var(--ink);background:#fffef8;box-shadow:0 25px 100px #102a3155}dialog::backdrop{background:#1c38295c;backdrop-filter:blur(5px)}dialog h2{font-size:24px;font-weight:500;letter-spacing:1px}dialog p,dialog li{font-size:13px;line-height:1.9;color:#75816a}dialog ol{padding-left:22px}dialog li{margin:12px 0}dialog .primary{width:100%;margin-top:15px}.close{position:absolute;right:16px;top:12px;border:0;background:none;font-size:26px;color:#8b9784}.dialog-note{background:#f0f2e7;border-radius:10px;padding:12px;font-size:11px!important}.text-button{border:0;background:none;color:#8b957e;padding:12px;font-size:11px}#towerActions{margin-top:14px;display:flex;flex-direction:column}#towerActions .secondary{font-size:11px;padding:9px}#resultDialog{text-align:center}.result-icon{font-size:56px;color:#b2974d}.result-stats{display:flex;justify-content:space-around;border-block:1px solid var(--line);padding:18px 0;margin:20px 0;color:#89977c;font-size:11px}.result-stats strong{display:block;font-size:23px;color:var(--ink);margin-bottom:6px;font-weight:500}.result-reward{padding:15px;background:#f3efde;border-radius:12px;font-size:12px;line-height:1.8;color:#9b8545}@keyframes match{50%{box-shadow:0 0 0 5px #ffe8a833}}@media(min-width:1500px){main{padding-inline:30px}.topbar{padding-inline:max(5%,calc((100vw - 1390px)/2))}.layout{grid-template-columns:minmax(0,1fr) 310px}}@media(max-width:1100px){main{padding:25px 3% 0}.layout{gap:16px;grid-template-columns:minmax(0,1fr) 260px}.guide-card{padding:20px 17px}.hud{gap:19px;margin-inline:20px}.hud strong{font-size:17px}.hud-icon{font-size:22px}.restart span{display:none}.game-controls{padding-inline:18px}.page-heading h1 span{display:none}.selection-card{padding:18px}}@media(max-width:800px){.topbar{height:70px;padding:0 5%}.prototype{padding:6px 10px;font-size:10px}.prototype span{display:none}.brand-en{display:none}.help-button{font-size:0}.help-button span{font-size:12px}.brand{font-size:17px}.brand small{font-size:8px}.brand-mark{width:34px;height:34px}.layout{grid-template-columns:1fr}.page-heading{margin-bottom:19px}.page-heading h1{font-size:25px}.guest{display:none}.eyebrow{font-size:8px}.stage-header{padding:17px 19px}.hud{gap:22px;padding:13px 0}.hud small{font-size:9px}.hud-icon{font-size:23px}.hud strong{font-size:18px}.board-wrap{margin:0 8px}.map-caption{font-size:9px;bottom:9px;padding:5px 10px}.slot{font-size:20px}.slot .slot-level{font-size:8px;padding:1px 5px}.map-label{font-size:8px}.game-controls{padding:15px 16px 10px;gap:8px}.game-controls .primary{font-size:12px;padding:12px 15px}.secondary{font-size:12px;padding:10px 13px}.tip{font-size:10px;min-height:41px}.guide-card .steps{flex-direction:row;gap:14px}.steps li{flex:1;gap:8px}.steps strong{font-size:11px}.steps p{font-size:9px}.guide-card .aside-intro{margin-bottom:18px}.guide-card h2{font-size:18px}.guide-note{font-size:10px}.selection-card .elements{flex-direction:row;justify-content:space-between;gap:8px}.elements em{display:none}.reward-card{justify-content:center}footer{flex-wrap:wrap;line-height:1.7;font-size:9px}footer>span:nth-child(2){order:3;width:100%}dialog{padding:27px}}@media(max-width:440px){.hud{gap:15px;margin-inline:17px}.hud>div{gap:6px}.hud strong{font-size:17px}.hud-icon{font-size:20px}.hud em{font-size:10px}.guide-card .steps{flex-direction:column}.steps strong{font-size:12px}.steps p{font-size:11px}.guide-card .steps br{display:none}.selection-card .elements strong{font-size:10px}.element{width:30px;height:30px}.elements>div{gap:6px}.game-controls .restart{padding-inline:4px}.slot .slot-level{font-size:7px}.map-label{font-size:7px}}