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.loan-shell{width:min(1180px,calc(100% - 40px));margin:0 auto 64px}.loan-layout{display:grid;grid-template-columns:minmax(320px,.85fr) minmax(420px,1.15fr);gap:20px;align-items:start}.loan-input-card,.loan-result-card{margin-bottom:20px}.loan-input-card{display:grid;gap:18px}.loan-input-card .results-heading{margin-bottom:0}.joined-input{display:grid;grid-template-columns:1fr 92px}.joined-input input{border-radius:9px 0 0 9px}.joined-input select{border-left:0;border-radius:0 9px 9px 0}.rate-control{display:grid;grid-template-columns:1fr 100px;gap:14px;align-items:center}.rate-control input[type="range"]{height:auto;padding:0;border:0;box-shadow:none;accent-color:var(--blue)}.choice-field{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0;padding:0;border:0}.choice-field legend{grid-column:1/-1;margin-bottom:7px;font-size:14px;font-weight:650}.choice-field label{cursor:pointer}.choice-field input{position:absolute;opacity:0}.choice-field span{display:block;padding:10px;border:1px solid #d0d5dd;border-radius:9px;text-align:center}.choice-field input:checked+span{border-color:var(--blue);background:var(--blue-soft);color:var(--blue);font-weight:750}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.switch-row>span{display:flex;flex-direction:column}.switch-row small{color:var(--muted)}.switch-row input{width:42px;height:24px;accent-color:var(--blue)}.fee-config{display:grid;gap:16px;padding:16px;border:1px solid var(--line);border-radius:10px;background:#f8fafc}.fee-choice span{background:#fff}.irr-result{display:flex;flex-direction:column;padding:22px;border-radius:12px;background:var(--blue-soft)}.irr-result span{color:#1e40af;font-weight:700}.irr-result strong{margin:5px 0;color:var(--blue);font-size:44px;line-height:1.1}.irr-result small{color:var(--muted)}.irr-result.has-fee{background:#fef2f2}.irr-result.has-fee strong{color:#dc2626}.fee-warning{margin-top:12px;padding:12px 14px;border:1px solid #fecaca;border-radius:9px;background:#fff1f2;color:#b42318;font-weight:700}.loan-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.loan-metrics>div{min-width:0;padding:15px;background:#f8fafc;border-radius:10px}.loan-metrics span,.loan-metrics small{display:block;color:var(--muted);font-size:13px}.loan-metrics strong{display:block;margin:5px 0;overflow-wrap:anywhere;font-size:19px}.loan-metrics .cost-value{color:#dc2626}.efficiency-box{margin-top:16px;padding:18px;border:1px solid var(--line);border-radius:10px}.efficiency-box h3{margin:0 0 12px;font-size:16px}.efficiency-box>div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-top:1px solid var(--line)}.efficiency-box span{color:var(--muted)}.efficiency-box b{text-align:right}.loan-chart-card,.schedule-card{margin-top:0}.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.chart-grid>div{min-width:0;padding:15px;border:1px solid var(--line);border-radius:10px}.chart-grid h3{margin:0 0 8px;font-size:15px}.svg-chart svg{display:block;width:100%;height:auto}.svg-chart text{fill:#667085;font:12px system-ui,sans-serif}.schedule-card .secondary-button{height:40px}.schedule-table{min-width:720px}.schedule-gap td{text-align:center;color:var(--muted)}.loan-disclaimer{margin:16px 0 0;color:var(--muted);font-size:13px;text-align:center}
.game-hub-shell{width:min(1040px,calc(100% - 40px));min-height:calc(100vh - 180px);margin:0 auto 64px}.game-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.game-card{display:flex;min-height:340px;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow);transition:transform .18s ease,border-color .18s ease}.game-card:hover{transform:translateY(-3px);border-color:#93c5fd}.game-icon-image{display:block;width:96px;height:96px;margin-bottom:18px;border-radius:22px;object-fit:cover;box-shadow:0 10px 22px rgba(37,99,235,.18)}.game-card h2{margin:14px 0 8px;font-size:21px}.game-card p{margin:0;color:var(--muted)}.game-start-button{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:auto;padding:11px 18px;border-radius:9px;background:var(--blue);color:#fff;font-weight:750;box-shadow:0 8px 16px rgba(37,99,235,.2);transition:background .18s ease,transform .18s ease}.game-card:hover .game-start-button{background:var(--blue-dark);transform:translateY(-1px)}.game-start-button b{font-size:18px}.sudoku-shell{width:min(760px,calc(100% - 40px));margin:0 auto 64px}.sudoku-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;padding:38px 0 22px}.sudoku-heading h1{margin:4px 0 0;font-size:34px}.sudoku-heading>a{color:var(--blue);font-weight:650}.sudoku-game{padding:24px}.sudoku-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.difficulty-tabs{display:flex;padding:4px;border-radius:9px;background:#f2f4f7}.difficulty-tabs button{padding:7px 13px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-weight:650}.difficulty-tabs button.active{background:#fff;color:var(--blue);box-shadow:0 1px 4px rgba(15,23,42,.12)}.game-status{display:flex;gap:14px;color:var(--muted)}.game-status b{color:var(--ink);font-variant-numeric:tabular-nums}.sudoku-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:16px}.sudoku-actions button{display:flex;align-items:center;justify-content:center;gap:6px;padding:9px 7px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted)}.sudoku-actions button:hover,.sudoku-actions button.active{border-color:#93c5fd;background:var(--blue-soft);color:var(--blue)}.eraser-symbol{display:inline-block;width:15px;height:10px;border:1.5px solid currentColor;border-radius:2px;background:linear-gradient(90deg,#fda4af 0 45%,#dbeafe 45%);transform:rotate(-35deg)}.sudoku-board{display:grid;width:min(100%,612px);aspect-ratio:1;margin:auto;grid-template-columns:repeat(9,1fr);border:3px solid #172033;background:#fff}.sudoku-cell{display:grid;width:100%;height:100%;padding:0;place-items:center;border:0;border-right:1px solid #cbd5e1;border-bottom:1px solid #cbd5e1;background:#fff;font-size:clamp(18px,4.5vw,30px);font-weight:650;transition:background .15s ease,color .15s ease,transform .1s ease}.sudoku-cell:nth-child(9n){border-right:0}.sudoku-cell:nth-child(n+73){border-bottom:0}.sudoku-cell:nth-child(3n):not(:nth-child(9n)){border-right:3px solid #172033}.sudoku-cell:nth-child(n+19):nth-child(-n+27),.sudoku-cell:nth-child(n+46):nth-child(-n+54){border-bottom:3px solid #172033}.sudoku-cell.fixed{color:#172033;font-weight:850}.sudoku-cell.editable{color:var(--blue)}.sudoku-cell.related{background:#eff6ff}.sudoku-cell.same-number{background:#dbeafe}.sudoku-cell.selected{background:#bfdbfe;box-shadow:inset 0 0 0 2px var(--blue)}.sudoku-cell.wrong{background:#fee2e2;color:#dc2626}.sudoku-cell:active{transform:scale(.94)}.number-pad{display:grid;grid-template-columns:repeat(10,1fr);gap:7px;width:min(100%,612px);margin:16px auto 0}.number-pad button{height:48px;padding:0;border:1px solid #bfdbfe;border-radius:9px;background:#fff;color:var(--blue);font-size:20px;font-weight:750}.number-pad button:hover:not(:disabled){background:var(--blue-soft)}.number-pad button:disabled{border-color:var(--line);background:#f2f4f7;color:#c0c6d0;cursor:not-allowed}.number-pad .delete-key{color:#dc2626}.sudoku-hint{margin:14px 0 0;color:var(--muted);font-size:13px;text-align:center}.game-modal{position:fixed;z-index:100;inset:0;display:grid;padding:20px;place-items:center;background:rgba(15,23,42,.55);backdrop-filter:blur(5px)}.game-modal[hidden]{display:none}.game-modal-card{width:min(480px,100%);padding:32px;border-radius:18px;background:#fff;text-align:center;box-shadow:0 24px 70px rgba(15,23,42,.25)}.modal-icon{display:grid;width:64px;height:64px;margin:0 auto 16px;place-items:center;border-radius:50%;font-size:34px;font-weight:800}.modal-icon.success{background:#dcfce7;color:#16a34a}.modal-icon.failure{background:#fee2e2;color:#dc2626}.game-modal h2{margin:0 0 8px;font-size:26px}.game-modal p{margin:0;color:var(--muted)}.modal-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}.modal-actions button{height:44px}.share-feedback{min-height:22px;margin-top:12px!important;color:var(--blue)!important;font-size:13px}
[hidden]{display:none!important}
@media(max-width:1024px){.page-shell,.header-inner,.calculator-tabs-inner{width:calc(100% - 24px)}.knowledge-shell,.article-shell,.placeholder-shell,.tool-shell,.rates-shell,.financial-shell,.loan-shell,.game-hub-shell,.sudoku-shell{width:calc(100% - 24px)}.hero{padding:38px 8px 24px}.card{padding:20px}.section-heading{align-items:flex-start;flex-direction:column}.form-grid,.deduction-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.monthly-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.override-field{grid-column:span 1}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.results-heading{align-items:flex-start;flex-direction:column}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-summary{grid-template-columns:repeat(3,minmax(0,1fr))}.loan-layout{grid-template-columns:1fr}.chart-grid{grid-template-columns:1fr}.game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.site-header{height:auto}.header-inner{flex-wrap:wrap;padding:10px 0;gap:8px 12px}.matrix-link{padding-right:12px}.main-nav{order:3;width:100%;margin:2px 0 0;padding-top:8px;border-top:1px solid var(--line)}.main-nav a{flex:1;padding:7px 4px;font-size:13px;text-align:center;white-space:nowrap}.knowledge-hero{padding:36px 0 24px}.article-grid{grid-template-columns:1fr}}
@media(max-width:520px){.form-grid,.deduction-grid{grid-template-columns:1fr}.monthly-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.segmented{width:100%}.segmented label{flex:1}.segmented span{text-align:center;padding:7px 6px}.summary-grid{grid-template-columns:1fr 1fr}.summary-grid strong{font-size:17px}.action-bar{position:sticky;bottom:0;z-index:5;padding:10px;margin:18px -6px 24px;background:rgba(247,248,250,.94);backdrop-filter:blur(8px)}.primary-button{flex:1;padding:0 12px}.secondary-button{padding:0 18px}.article-header{padding:30px 0 22px}.article-body{padding-top:22px;font-size:16px}.formula-box,.tip-box{padding:16px}.article-cta{align-items:flex-start;flex-direction:column}.article-cta a{width:100%;text-align:center}.tool-hero{padding:34px 0 22px}.method-grid{grid-template-columns:1fr}.tool-summary{grid-template-columns:1fr 1fr}.tool-submit{width:100%}.loan-metrics{grid-template-columns:1fr}.rate-control{grid-template-columns:1fr}.irr-result strong{font-size:36px}.efficiency-box>div{align-items:flex-start;flex-direction:column}.efficiency-box b{text-align:left}.schedule-card .results-heading{align-items:stretch}.schedule-card .secondary-button{width:100%}.game-grid{grid-template-columns:1fr}.sudoku-heading{align-items:flex-start;flex-direction:column}.sudoku-toolbar{align-items:stretch;flex-direction:column}.difficulty-tabs button{flex:1}.game-status{justify-content:space-between}.sudoku-actions{grid-template-columns:1fr 1fr}.sudoku-game{padding:12px}.number-pad{grid-template-columns:repeat(5,1fr)}.number-pad button{height:44px}.victory-actions{display:grid;grid-template-columns:1fr 1fr}.victory-actions button{padding:0 8px}}

/* 数独棋盘视觉层次 */
.sudoku-board{overflow:hidden;border:4px solid #334155;border-radius:14px;box-shadow:0 16px 38px rgba(15,23,42,.14),0 2px 8px rgba(15,23,42,.08)}
.sudoku-cell{position:relative;border-color:#d8dee8;background:#fff;color:#2563eb;text-shadow:0 1px 0 rgba(255,255,255,.7)}
.sudoku-cell.box-tint{background:#f8fafc}
.sudoku-cell.fixed{background-color:rgba(241,245,249,.78);color:#0f172a;text-shadow:none}
.sudoku-cell.editable:hover{background:#eef6ff}
.sudoku-cell.related{background:#edf5ff}
.sudoku-cell.same-number{background:#dbeafe;color:#1d4ed8}
.sudoku-cell.selected{z-index:2;background:#bfdbfe;box-shadow:inset 0 0 0 3px #2563eb}
.sudoku-cell.wrong{background:#fee2e2;color:#dc2626;box-shadow:inset 0 0 0 2px #fca5a5}
.sudoku-cell:nth-child(3n):not(:nth-child(9n)){border-right-color:#475569}
.sudoku-cell:nth-child(n+19):nth-child(-n+27),.sudoku-cell:nth-child(n+46):nth-child(-n+54){border-bottom-color:#475569}
.number-pad{padding:10px;border:1px solid #e2e8f0;border-radius:13px;background:#f8fafc}
.number-pad button{box-shadow:0 2px 5px rgba(15,23,42,.05);transition:transform .12s ease,background .15s ease,box-shadow .15s ease}
.number-pad button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 5px 12px rgba(37,99,235,.12)}

/* 数独难度主题：难度越高，视觉层次越丰富 */
.sudoku-game{transition:border-color .3s ease,background .3s ease,box-shadow .3s ease}
.sudoku-game.difficulty-easy{border-color:#e2e8f0;background:#fff}
.difficulty-easy .sudoku-board{border-color:#475569;box-shadow:0 12px 28px rgba(15,23,42,.11)}
.difficulty-easy .sudoku-cell.box-tint{background:#f8fafc}
.difficulty-easy .number-pad{background:#f8fafc}

.sudoku-game.difficulty-normal{border-color:#bfdbfe;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%);box-shadow:0 12px 34px rgba(37,99,235,.09)}
.difficulty-normal .sudoku-board{border-color:#2563eb;box-shadow:0 16px 38px rgba(37,99,235,.18),0 0 0 5px rgba(219,234,254,.7)}
.difficulty-normal .sudoku-cell.box-tint{background:#f1f7ff}
.difficulty-normal .sudoku-cell.fixed{background-color:#eaf2ff;color:#172554}
.difficulty-normal .sudoku-cell:nth-child(3n):not(:nth-child(9n)){border-right-color:#2563eb}
.difficulty-normal .sudoku-cell:nth-child(n+19):nth-child(-n+27),.difficulty-normal .sudoku-cell:nth-child(n+46):nth-child(-n+54){border-bottom-color:#2563eb}
.difficulty-normal .number-pad{border-color:#bfdbfe;background:#eff6ff}
.difficulty-normal .number-pad button{background:#fff}

.sudoku-game.difficulty-hard{position:relative;overflow:hidden;border-color:#c4b5fd;background:linear-gradient(145deg,#ffffff 0%,#f5f3ff 58%,#eff6ff 100%);box-shadow:0 20px 48px rgba(79,70,229,.14)}
.sudoku-game.difficulty-hard::before{position:absolute;top:-90px;right:-80px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.16),rgba(99,102,241,0) 70%);content:"";pointer-events:none}
.difficulty-hard .sudoku-toolbar,.difficulty-hard .sudoku-actions,.difficulty-hard .sudoku-board,.difficulty-hard .number-pad,.difficulty-hard .sudoku-hint{position:relative;z-index:1}
.difficulty-hard .sudoku-board{border-color:#4338ca;box-shadow:0 20px 46px rgba(67,56,202,.24),0 0 0 5px rgba(224,231,255,.9),0 0 24px rgba(99,102,241,.12)}
.difficulty-hard .sudoku-cell{border-color:#ddd6fe}
.difficulty-hard .sudoku-cell.box-tint{background:linear-gradient(135deg,#f5f3ff,#eef2ff)}
.difficulty-hard .sudoku-cell.fixed{background:linear-gradient(135deg,#ede9fe,#e0e7ff);color:#312e81}
.difficulty-hard .sudoku-cell.editable{color:#4f46e5}
.difficulty-hard .sudoku-cell:nth-child(3n):not(:nth-child(9n)){border-right-color:#d4a72c}
.difficulty-hard .sudoku-cell:nth-child(n+19):nth-child(-n+27),.difficulty-hard .sudoku-cell:nth-child(n+46):nth-child(-n+54){border-bottom-color:#d4a72c}
.difficulty-hard .sudoku-cell.related{background:#e0e7ff}
.difficulty-hard .sudoku-cell.same-number{background:#ddd6fe;color:#4338ca}
.difficulty-hard .sudoku-cell.selected{background:#c7d2fe;box-shadow:inset 0 0 0 3px #4f46e5,inset 0 0 12px rgba(255,255,255,.7)}
.difficulty-hard .number-pad{border-color:#c4b5fd;background:linear-gradient(90deg,#eef2ff,#f5f3ff)}
.difficulty-hard .number-pad button{border-color:#c7d2fe;color:#4f46e5;box-shadow:0 3px 8px rgba(79,70,229,.09)}
.difficulty-hard .difficulty-tabs{background:#ede9fe}
.difficulty-hard .difficulty-tabs button.active{color:#4f46e5;box-shadow:0 2px 8px rgba(79,70,229,.15)}

/* 2048 数字合并 */
.game-2048-shell{width:min(720px,calc(100% - 40px));margin:0 auto 64px}.game-2048-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;padding:38px 0 22px}.game-2048-heading h1{margin:4px 0 5px;font-size:34px}.game-2048-heading p:last-child{margin:0;color:var(--muted)}.game-2048-heading>a{flex:0 0 auto;color:var(--blue);font-weight:650}.game-2048-top{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.game-2048-title{display:flex;flex-direction:column}.game-2048-title strong{color:#334155;font-size:54px;line-height:1}.game-2048-title span{margin-top:7px;color:var(--muted)}.score-board{display:flex;align-items:stretch;gap:8px}.score-board>div{min-width:94px;padding:9px 13px;border-radius:10px;background:#334155;color:#fff;text-align:center}.score-board span{display:block;color:#cbd5e1;font-size:12px;font-weight:700}.score-board strong{display:block;font-size:20px;font-variant-numeric:tabular-nums}.score-board button{padding:0 17px;border:0;border-radius:10px;background:var(--blue);color:#fff;font-weight:750}.game-2048-card{padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}.board-2048{display:grid;width:min(100%,600px);aspect-ratio:1;margin:auto;padding:12px;grid-template-columns:repeat(4,1fr);gap:12px;border-radius:18px;background:#94a3b8;touch-action:none;user-select:none}.cell-2048{position:relative;overflow:hidden;border-radius:12px;background:rgba(255,255,255,.27)}.game-tile-2048{position:absolute;inset:0;display:grid;place-items:center;border-radius:12px;color:#475569;font-size:clamp(25px,8vw,48px);font-weight:850;letter-spacing:-.04em;transition:transform .12s ease;background:#f8fafc;box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}.game-tile-2048.new{animation:tile-appear .18s ease-out}.game-tile-2048.merged{animation:tile-merge .22s ease-out}.tile-2{background:#f1f5f9}.tile-4{background:#dbeafe;color:#1e3a8a}.tile-8{background:#fdba74;color:#fff}.tile-16{background:#fb923c;color:#fff}.tile-32{background:#f97316;color:#fff}.tile-64{background:#ef4444;color:#fff}.tile-128{background:#facc15;color:#713f12}.tile-256{background:#eab308;color:#fff}.tile-512{background:#ca8a04;color:#fff}.tile-1024{background:#7c3aed;color:#fff;font-size:clamp(21px,7vw,40px)}.tile-2048,.tile-4096,.tile-super{background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;font-size:clamp(21px,7vw,40px);box-shadow:0 0 24px rgba(37,99,235,.35)}.game-2048-instructions{margin-top:22px;padding:18px;border-radius:12px;background:#f8fafc}.game-2048-instructions h2{margin:0 0 7px;font-size:17px}.game-2048-instructions p{margin:5px 0;color:var(--muted);font-size:14px}.game-2048-instructions b{color:var(--ink)}@keyframes tile-appear{from{opacity:0;transform:scale(.35)}to{opacity:1;transform:scale(1)}}@keyframes tile-merge{0%{transform:scale(1)}55%{transform:scale(1.16)}100%{transform:scale(1)}}
@media(max-width:760px){.game-2048-shell{width:calc(100% - 24px)}}
@media(max-width:560px){.game-2048-heading{align-items:flex-start;flex-direction:column;padding:30px 0 18px}.game-2048-top{align-items:stretch;flex-direction:column}.game-2048-title{display:none}.score-board{display:grid;grid-template-columns:1fr 1fr}.score-board button{grid-column:1/-1;height:44px}.game-2048-card{padding:10px}.board-2048{gap:7px;padding:7px;border-radius:14px}.cell-2048,.game-tile-2048{border-radius:8px}.game-2048-instructions{margin-top:12px;padding:14px}.game-tile-2048{font-size:clamp(24px,10vw,42px)}.tile-1024,.tile-2048,.tile-4096,.tile-super{font-size:clamp(18px,8vw,34px)}}
.game-2048-modal-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.game-2048-modal-actions button{padding:0 12px}.game-2048-modal-actions #restart-2048{grid-column:1/-1}

/* 猜数字 Bulls & Cows */
.guess-shell{width:min(760px,calc(100% - 40px));margin:0 auto 64px}.guess-subtitle{margin:5px 0 0;color:var(--muted)}.guess-game{padding:24px}.guess-toolbar{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;margin-bottom:16px}.guess-length{display:flex;align-items:center;gap:8px}.guess-length>span{color:var(--muted);font-size:13px;font-weight:700}.guess-rule{padding:11px 14px;border:1px solid #bfdbfe;border-radius:9px;background:var(--blue-soft);color:#1e40af;text-align:center}.guess-rule b{display:inline-grid;width:25px;height:25px;margin-right:3px;place-items:center;border-radius:7px;background:#2563eb;color:#fff}.guess-history-section{margin-top:18px;border:1px solid var(--line);border-radius:13px;overflow:hidden}.guess-history-heading{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-bottom:1px solid var(--line);background:#f8fafc}.guess-history-heading h2{margin:0;font-size:16px}.guess-history-heading button{padding:6px 11px;border:1px solid #bfdbfe;border-radius:7px;background:#fff;color:var(--blue);font-size:13px;font-weight:700}.guess-history{height:260px;padding:10px;overflow-y:auto;background:#fff}.guess-empty{display:grid;height:100%;place-items:center;color:#98a2b3;text-align:center}.guess-history-item{display:grid;grid-template-columns:80px 1fr 80px;align-items:center;gap:12px;padding:11px 13px;border-bottom:1px solid #f0f2f5;border-radius:8px}.guess-history-item.latest{background:#eff6ff;box-shadow:inset 3px 0 #2563eb}.guess-history-item span{color:var(--muted);font-size:13px}.guess-history-item strong{font-size:19px;letter-spacing:.08em}.guess-history-item b{color:var(--blue);font-size:18px;text-align:right}.guess-history-item.hint strong{color:#92400e;font-size:15px;letter-spacing:0}.guess-history-item.hint b{color:#d97706;font-size:13px}.guess-display{display:flex;justify-content:center;gap:10px;margin:22px 0 8px}.guess-display span{display:grid;width:56px;height:64px;place-items:center;border:2px solid #d0d5dd;border-radius:11px;background:#fff;color:#98a2b3;font-size:30px;font-weight:800}.guess-display span.filled{border-color:#93c5fd;background:#eff6ff;color:#2563eb}.guess-display span.hinted{border-color:#fbbf24;background:#fffbeb;color:#b45309}.guess-error{min-height:23px;margin:0 0 6px;color:#dc2626;font-size:13px;text-align:center}.guess-keypad{display:grid;grid-template-columns:repeat(11,1fr);gap:7px}.guess-keypad button{height:48px;padding:0;border:1px solid #bfdbfe;border-radius:9px;background:#fff;color:var(--blue);font-size:19px;font-weight:750}.guess-keypad button:hover:not(:disabled){background:var(--blue-soft);transform:translateY(-1px)}.guess-keypad button:disabled{border-color:var(--line);background:#f2f4f7;color:#c0c6d0;cursor:not-allowed}.guess-keypad .delete-key{color:#dc2626}.guess-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.guess-actions button{width:100%;height:48px}.guess-actions button:disabled{opacity:.45;cursor:not-allowed}.guess-modal-actions{display:grid;grid-template-columns:1fr 1fr}.guess-modal-actions #restart-guess-game{grid-column:1/-1}
@media(max-width:800px){.guess-shell{width:calc(100% - 24px)}}
@media(max-width:560px){.guess-game{padding:12px}.guess-toolbar{grid-template-columns:1fr 1fr}.guess-toolbar>.game-status{grid-column:1/-1}.guess-length{justify-content:flex-end}.guess-history{height:230px}.guess-history-item{grid-template-columns:60px 1fr 58px;gap:7px;padding:10px 8px}.guess-history-item strong{font-size:17px}.guess-display span{width:48px;height:57px}.guess-keypad{grid-template-columns:repeat(6,1fr)}.guess-keypad button{height:44px}.guess-actions{grid-template-columns:1fr}.guess-modal-actions{grid-template-columns:1fr}.guess-modal-actions #restart-guess-game{grid-column:auto}}
.guess-guide{margin-top:20px}.guess-guide .results-heading{margin-bottom:20px}.guess-guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.guess-guide-grid>div,.guess-example,.guess-strategy{padding:18px;border:1px solid var(--line);border-radius:12px;background:#fafbfc}.guess-guide h3{margin:0 0 10px;font-size:17px}.guess-guide p{margin:6px 0;color:var(--muted)}.guess-guide p b,.guess-example li b{color:var(--ink)}.guess-example{margin-top:14px;background:#fff}.guess-example-numbers{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding:12px 14px;border-radius:9px;background:var(--blue-soft)}.guess-example-numbers span{color:var(--muted)}.guess-example-numbers b{margin-left:6px;color:var(--ink);letter-spacing:.18em}.guess-example-numbers strong{margin-left:auto;color:var(--blue);font-size:18px}.guess-example ul{margin:13px 0 0;padding-left:21px;color:var(--muted)}.guess-example li{margin:6px 0}.guess-example-table{overflow:hidden;border:1px solid var(--line);border-radius:9px}.guess-example-table>div{display:grid;grid-template-columns:90px 90px 90px 1fr;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line)}.guess-example-table>div:first-child{background:#f2f4f7;color:var(--muted);font-size:13px;font-weight:700}.guess-example-table>div:last-child{border-bottom:0}.guess-example-table b{letter-spacing:.08em}.guess-example-table strong{color:var(--blue)}.guess-example-table div span:last-child{color:var(--muted)}.guess-strategy{margin-top:14px;border-color:#bfdbfe;background:var(--blue-soft)}.guess-strategy h3{color:#1e40af}
@media(max-width:620px){.guess-guide-grid{grid-template-columns:1fr}.guess-example-numbers{align-items:flex-start;flex-direction:column}.guess-example-numbers strong{margin-left:0}.guess-example-table{border:0}.guess-example-table>div:first-child{display:none}.guess-example-table>div{grid-template-columns:70px 70px 70px;gap:6px;margin-bottom:8px;border:1px solid var(--line);border-radius:8px}.guess-example-table div span:last-child{grid-column:1/-1}.guess-guide{padding:16px}}

/* 每日记账挑战 */
.ledger-game-shell{width:min(1080px,calc(100% - 40px));margin:0 auto 64px}.ledger-dashboard{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:12px;margin-bottom:18px}.ledger-dashboard>div{display:flex;min-height:126px;flex-direction:column;justify-content:center;padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow);text-align:center}.ledger-dashboard span{color:var(--muted);font-size:13px;font-weight:700}.ledger-dashboard strong{margin:5px 0;font-size:26px}.ledger-dashboard small{color:#98a2b3}.ledger-dashboard .balance-panel{border-color:#bfdbfe;background:linear-gradient(135deg,#eff6ff,#fff)}.ledger-dashboard .balance-panel strong{color:var(--blue);font-size:38px}.ledger-dashboard .balance-panel strong.positive{color:#16a34a}.ledger-dashboard .balance-panel strong.negative{color:#dc2626}.ledger-dashboard .ledger-mood{font-size:38px;line-height:1}.ledger-play-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr);gap:18px}.ledger-event-card,.today-ledger{margin-bottom:18px}.ledger-event-card{text-align:center}.ledger-event-top{display:flex;align-items:center;justify-content:space-between}.ledger-event-top span{padding:5px 10px;border-radius:999px;background:#fef3c7;color:#92400e;font-size:12px;font-weight:750}.ledger-event-top b{color:var(--muted);font-size:13px}.ledger-event-icon{display:grid;width:76px;height:76px;margin:22px auto 14px;place-items:center;border-radius:24px;background:linear-gradient(135deg,#eff6ff,#ede9fe);font-size:40px;box-shadow:0 10px 24px rgba(37,99,235,.12)}.ledger-event-card h2{margin:0 0 8px;font-size:25px}.ledger-event-card>p{margin:0 auto;color:var(--muted)}.ledger-event-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:25px}.ledger-event-options button{min-height:48px;padding:9px 14px;border:1px solid #d0d5dd;border-radius:10px;background:#fff;font-weight:700}.ledger-event-options button:hover{border-color:#93c5fd;background:var(--blue-soft);color:var(--blue)}.ledger-event-options button.primary-choice{border-color:#bfdbfe;background:#eff6ff;color:#1d4ed8}.ledger-decision-result{min-height:24px;margin-top:12px!important;color:#16a34a!important;font-weight:700}.ledger-next-button{width:100%;margin-top:12px}.ledger-next-button:disabled{background:#cbd5e1;box-shadow:none;cursor:not-allowed}.today-ledger{padding:20px}.today-ledger-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:14px}.today-ledger-heading span{color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.1em}.today-ledger-heading h2{margin:2px 0 0;font-size:20px}.today-ledger-heading>strong{font-size:21px}.today-ledger .income,.ledger-total-list .income{color:#16a34a}.today-ledger .expense,.ledger-total-list .expense{color:#dc2626}.today-ledger-columns,.today-ledger-list>div{display:grid;grid-template-columns:1fr 88px 82px;gap:7px;align-items:center}.today-ledger-columns{padding:8px;color:#98a2b3;font-size:12px}.today-ledger-list{max-height:355px;overflow-y:auto}.today-ledger-list>div{padding:11px 8px;border-top:1px solid var(--line)}.today-ledger-list small{justify-self:start;padding:3px 6px;border-radius:5px;font-size:11px}.today-ledger-list b{text-align:right;font-size:14px}.category-income{background:#dcfce7;color:#15803d}.category-fixed{background:#dbeafe;color:#1d4ed8}.category-unexpected{background:#ffedd5;color:#c2410c}.category-choice{background:#f2f4f7;color:#667085}.monthly-ledger{padding:0;overflow:hidden}.monthly-ledger summary{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;list-style:none}.monthly-ledger summary::-webkit-details-marker{display:none}.monthly-ledger summary span{display:flex;flex-direction:column}.monthly-ledger summary small{color:var(--muted)}.monthly-ledger summary>strong{color:var(--blue);font-size:13px}.monthly-ledger[open] summary{border-bottom:1px solid var(--line)}.monthly-ledger table{min-width:620px}.ledger-income{color:#16a34a;font-weight:700}.ledger-expense{color:#dc2626;font-weight:700}.ledger-rules{padding:22px;border:1px dashed #93c5fd;border-radius:14px;background:#eff6ff}.ledger-rules h2{margin:0 0 12px;font-size:19px}.ledger-rules>div{display:flex;flex-wrap:wrap;gap:10px}.ledger-rules>div p{margin:0;padding:8px 11px;border-radius:8px;background:#fff}.ledger-rules>p{margin:14px 0 0;color:var(--muted)}.ledger-result-card{width:min(620px,100%)}.ledger-summary{display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:center;margin-top:20px}.ledger-donut svg{display:block;width:100%;height:auto}.ledger-donut text{fill:#667085;font:11px system-ui,sans-serif}.ledger-donut .chart-balance{fill:#172033;font-size:14px;font-weight:800}.ledger-total-list>div{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-bottom:1px solid var(--line)}.ledger-total-list span{color:var(--muted)}.ledger-result-modal .modal-actions{margin-top:18px}
@media(max-width:900px){.ledger-game-shell{width:calc(100% - 24px)}.ledger-play-layout{grid-template-columns:1fr}.today-ledger-list{max-height:260px}}
@media(max-width:600px){.ledger-dashboard{grid-template-columns:1fr 1fr}.ledger-dashboard>div{min-height:104px;padding:14px}.ledger-dashboard .balance-panel{grid-column:1/-1;grid-row:1}.ledger-dashboard .balance-panel strong{font-size:32px}.ledger-event-card{padding:18px}.ledger-event-options{grid-template-columns:1fr}.today-ledger-columns,.today-ledger-list>div{grid-template-columns:1fr 76px 74px}.ledger-summary{grid-template-columns:1fr}.ledger-donut{width:190px;margin:auto}.ledger-rules>div{flex-direction:column}.ledger-rules>div p{width:100%}}

/* 本地记账本 */
.accounting-shell{width:min(1080px,calc(100% - 40px));margin:0 auto 64px}.accounting-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;padding:40px 0 24px}.accounting-heading h1{margin:5px 0;font-size:36px}.accounting-heading p:last-child{margin:0;color:var(--muted)}.accounting-heading>a{color:var(--blue);font-weight:700}.accounting-dashboard{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) 1.5fr;gap:12px}.accounting-dashboard>div{min-height:122px;padding:20px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow)}.accounting-dashboard span{color:var(--muted);font-size:13px;font-weight:700}.accounting-dashboard strong{display:block;margin-top:10px;font-size:25px}.accounting-dashboard .account-balance{border-color:#bfdbfe;background:var(--blue-soft)}.account-income{color:#16a34a}.account-expense{color:#dc2626}.account-spark-card{padding-bottom:8px!important}.account-sparkline svg{display:block;width:100%;height:82px}.account-sparkline text{fill:#98a2b3;font:9px system-ui,sans-serif}.accounting-toolbar{display:flex;align-items:center;gap:10px;margin:18px 0}.accounting-toolbar>.primary-button{height:44px}.account-filter,.account-tools{display:flex;gap:8px}.account-filter{margin-left:auto}.accounting-toolbar select,.account-tools button{width:auto;height:40px;padding:0 11px;border:1px solid #d0d5dd;border-radius:8px;background:#fff;color:var(--muted);font-size:13px}.account-tools button:hover{border-color:#93c5fd;color:var(--blue)}.accounting-list-card{padding:0;overflow:hidden}.accounting-list-heading{padding:20px 24px;border-bottom:1px solid var(--line)}.accounting-list-heading h2{margin:0;font-size:20px}.accounting-list-heading p{margin:3px 0 0;color:var(--muted);font-size:13px}.account-empty{padding:70px 20px;text-align:center}.account-empty>span{font-size:45px}.account-empty h3{margin:10px 0 4px}.account-empty p{margin:0;color:var(--muted)}.bill-date-group{padding:0 24px}.bill-date-heading{display:flex;justify-content:space-between;padding:16px 0 8px;color:var(--muted);font-size:13px}.bill-date-heading strong{color:var(--ink)}.bill-item{display:grid;grid-template-columns:46px 1fr auto auto;align-items:center;gap:12px;padding:13px 0;border-top:1px solid var(--line)}.bill-icon{display:grid;width:42px;height:42px;place-items:center;border-radius:12px;background:#f2f4f7;font-size:22px}.bill-item>div:nth-child(2){display:flex;min-width:0;flex-direction:column}.bill-item small{overflow:hidden;color:var(--muted);text-overflow:ellipsis;white-space:nowrap}.bill-item>b{font-size:17px}.bill-item-actions{display:flex;gap:5px;opacity:0;transition:opacity .15s}.bill-item:hover .bill-item-actions{opacity:1}.bill-item-actions button{padding:5px 7px;border:0;background:transparent;color:var(--muted);font-size:12px}.bill-item-actions button:last-child{color:#dc2626}.accounting-privacy{margin:16px 0;color:var(--muted);font-size:12px;text-align:center}.account-modal{position:fixed;z-index:110;inset:0;display:grid;padding:20px;place-items:center;background:rgba(15,23,42,.52);backdrop-filter:blur(5px)}.account-modal[hidden]{display:none}.account-modal-card{width:min(600px,100%);max-height:calc(100vh - 30px);padding:24px;border-radius:18px;background:#fff;overflow-y:auto;box-shadow:0 25px 80px rgba(15,23,42,.25)}.account-modal-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.account-modal-heading h2{margin:0}.account-modal-heading button{width:36px;height:36px;border:0;border-radius:9px;background:#f2f4f7;color:var(--muted);font-size:24px}.account-type-tabs{display:grid;grid-template-columns:1fr 1fr;padding:4px;border-radius:10px;background:#f2f4f7}.account-type-tabs button{padding:8px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-weight:700}.account-type-tabs button.active{background:#fff;color:var(--blue);box-shadow:0 1px 4px rgba(15,23,42,.12)}.account-amount{display:flex;align-items:baseline;justify-content:center;gap:8px;padding:19px 0}.account-amount span{color:var(--muted);font-size:25px}.account-amount strong{font-size:42px;letter-spacing:-1px}.account-keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.account-keypad button{height:45px;border:1px solid var(--line);border-radius:9px;background:#f8fafc;font-size:18px;font-weight:700}.account-keypad button:active{background:#dbeafe;transform:scale(.97)}.bill-editor>.field{margin-top:17px}.bill-category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:7px}.bill-category-grid button{display:flex;min-width:0;flex-direction:column;align-items:center;gap:3px;padding:8px 3px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted);font-size:12px}.bill-category-grid button span{font-size:20px}.bill-category-grid button.active{border-color:#60a5fa;background:#eff6ff;color:#2563eb}.account-meta-grid{grid-template-columns:1fr 1.4fr;margin-top:16px}.account-save{width:100%;margin-top:13px}.category-manager{width:min(520px,100%)}.category-manage-list{margin-top:15px}.category-manage-list>div{display:grid;grid-template-columns:38px 1fr auto auto;align-items:center;padding:10px;border-bottom:1px solid var(--line)}.category-manage-list span{font-size:22px}.category-manage-list button{border:0;background:transparent;color:var(--muted);font-size:12px}.category-manage-list button:last-child{color:#dc2626}.category-add-row{display:grid;grid-template-columns:1fr 110px;gap:8px;margin-top:16px}.category-add-row button{border:0;border-radius:8px;background:var(--blue);color:#fff;font-weight:700}.account-toast{position:fixed;z-index:150;right:24px;bottom:24px;padding:11px 17px;border-radius:10px;background:#172033;color:#fff;box-shadow:0 12px 35px rgba(15,23,42,.25)}
@media(max-width:900px){.accounting-shell{width:calc(100% - 24px)}.accounting-dashboard{grid-template-columns:repeat(3,1fr)}.account-spark-card{grid-column:1/-1}.accounting-toolbar{align-items:stretch;flex-wrap:wrap}.account-filter{margin-left:0}.account-tools{margin-left:auto}}
@media(max-width:620px){.accounting-heading{align-items:flex-start;flex-direction:column;padding:30px 0 20px}.accounting-dashboard{grid-template-columns:1fr 1fr}.accounting-dashboard>div{min-height:105px;padding:15px}.accounting-dashboard .account-balance{grid-column:1/-1;grid-row:1}.accounting-dashboard .account-spark-card{grid-column:1/-1}.accounting-toolbar>.primary-button{width:100%}.account-filter,.account-tools{display:grid;width:100%;grid-template-columns:1fr 1fr;margin:0}.account-filter select,.account-tools button{width:100%}.account-tools{grid-template-columns:repeat(3,1fr)}.bill-date-group{padding:0 14px}.bill-item{grid-template-columns:42px 1fr auto}.bill-item-actions{grid-column:2/-1;justify-content:flex-end;opacity:1}.bill-category-grid{grid-template-columns:repeat(4,1fr)}.account-meta-grid{grid-template-columns:1fr}.account-modal{align-items:end;padding:0}.account-modal-card{width:100%;max-height:92vh;border-radius:20px 20px 0 0}.category-add-row{grid-template-columns:1fr 105px}.category-add-row button{height:44px}.account-toast{right:12px;bottom:12px;left:12px;text-align:center}}