:root{--ink:#283f36;--muted:#8c958d;--green:#557b62;--line:#dce1d8;--bg:#f6f7f2}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Noto Sans SC',system-ui,sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;border:0;color:inherit;background:none}button:focus-visible,a:focus-visible{outline:3px solid #a4b88b;outline-offset:2px}header{max-width:1320px;margin:auto;height:100px;border-bottom:1px solid #e4e7de;display:flex;align-items:center;justify-content:space-between;padding:0 48px}.brand{text-decoration:none;color:var(--ink);font-size:23px;font-weight:600;display:flex;align-items:center;gap:10px}.logo{font-size:31px;color:var(--green)}.brand-sub{font-size:13px;font-weight:400;border-left:1px solid #cdd4c9;padding-left:13px;margin-left:5px;color:#778578}.header-note,.tag{font-size:12px;color:#8b9588;letter-spacing:1px}.tag{border:1px solid #dce2d4;padding:7px 13px;border-radius:20px}main{max-width:1060px;margin:auto;padding:49px 35px 0}.eyebrow{font-size:10px;letter-spacing:2.8px;color:#869578;font-weight:600}.intro h1{font-size:34px;font-weight:500;letter-spacing:2px;margin:12px 0}.intro h1 span{color:#8fa77d}.intro p{color:#949b90;font-size:13px;margin:0}.game{display:grid;grid-template-columns:510px 1fr;gap:61px;margin-top:39px}.board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.levels{display:flex;background:#eaeede;border-radius:9px;padding:4px;gap:3px}.levels button{padding:7px 21px;font-size:12px;color:#8b967e;border-radius:6px}.levels button.active{background:#fff;color:#416549;box-shadow:0 2px 5px #273b2910}.clock{display:flex;gap:13px;align-items:center;font-variant-numeric:tabular-nums;font-size:18px;letter-spacing:2px}.clock button{border:1px solid #dbe1d5;border-radius:50%;width:30px;height:30px;font-size:13px;letter-spacing:0}.board-wrap{position:relative}#board{display:grid;grid-template-columns:repeat(9,1fr);border:2px solid #758777;border-radius:7px;overflow:hidden;aspect-ratio:1;background:#fff;box-shadow:0 12px 35px #32453106}.cell{position:relative;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:25px;padding:0;border-radius:0;min-width:0;color:#527961}.cell:nth-child(3n){border-right:2px solid #97a493}.cell:nth-child(9n){border-right:0}.cell:nth-child(n+19):nth-child(-n+27),.cell:nth-child(n+46):nth-child(-n+54){border-bottom:2px solid #97a493}.cell:nth-child(n+73){border-bottom:0}.cell.fixed{color:#35473b;font-weight:500}.cell.related{background:#f0f3eb}.cell.same{background:#e0e9d9}.cell.selected{background:#d3e2c6;box-shadow:inset 0 0 0 2px #75916a}.cell.error{color:#bf665b;background:#fff0eb}.pencil{display:grid;grid-template-columns:repeat(3,1fr);width:100%;height:100%;padding:3px;font-size:10px;color:#7a8974;line-height:1}.pencil span{display:flex;justify-content:center;align-items:center}.board-bottom{display:flex;justify-content:space-between;font-size:10px;color:#96a08e;margin-top:14px}.board-bottom i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#94aa7c;margin-right:5px}aside{padding-top:8px}.aside-top h2{font-size:20px;font-weight:500;margin:14px 0 9px}.aside-top p{font-size:12px;color:#929c8b;margin:0 0 25px}.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.keypad button{height:61px;background:#fff;border:1px solid #e0e5d9;border-radius:9px;font-size:24px;box-shadow:0 2px 2px #23321d03}.keypad button:hover{background:#eaf0e2}.keypad button small{display:block;font-size:8px;line-height:9px;color:#a4ac9e}.tools{display:grid;grid-template-columns:repeat(4,1fr);margin:19px 0 23px}.tools button{position:relative;font-size:11px;color:#7d8b74;padding:3px}.tools b{display:block;font-size:24px;font-weight:400;margin-bottom:7px}.tools button.active{color:#3b683f;background:#e5eddb;border-radius:7px}#noteBadge{font-size:8px;background:#e3e9db;padding:1px 3px;border-radius:3px;position:absolute;top:0;right:4px}.new{background:#55765b;color:white;width:100%;padding:13px;border-radius:8px;font-size:13px;letter-spacing:1px}.new:hover{background:#43654b}.tip{display:flex;gap:13px;background:#edf0e5;border:1px solid #e4e9d9;border-radius:8px;padding:18px;margin-top:25px}.tip>span{font-size:22px;color:#97a579}.tip strong{font-size:11px;font-weight:500;color:#778667}.tip p{font-size:10px;line-height:1.9;color:#98a18d;margin:6px 0 0}.keyboard{font-size:9px;color:#a6ae9d;text-align:center;margin-top:16px}footer{display:flex;justify-content:space-between;border-top:1px solid #e1e6d9;margin:45px 0 0;padding:22px 0;color:#a3ab9a;font-size:10px}footer span:last-child{letter-spacing:2px;font-size:9px}#overlay{position:absolute;inset:0;background:#f5f7f0f5;backdrop-filter:blur(7px);display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:7px;text-align:center}#overlay[hidden]{display:none}#overlayIcon{font-size:38px;color:#829777}#overlay h2{font-weight:500}#overlay p{font-size:12px;color:#8a9783}#resume,dialog #accept{background:#55765b;color:white;border-radius:7px;padding:11px 24px;margin-top:18px}dialog{border:1px solid #dce3d4;border-radius:14px;padding:28px;color:var(--ink);max-width:90vw}dialog::backdrop{background:#273b3555;backdrop-filter:blur(3px)}dialog h2{font-size:20px}dialog p{font-size:13px;color:#8a9585}dialog button{font-size:12px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#344e3d;color:white;padding:12px 22px;border-radius:9px;font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:4}#toast.show{opacity:1}@media(max-width:950px){.game{grid-template-columns:minmax(330px,510px) minmax(220px,1fr);gap:30px}main{padding:35px 25px 0}header{padding:0 26px;height:80px}.header-note{display:none}.cell{font-size:23px}}@media(max-width:650px){header{height:68px;padding:0 20px}.brand{font-size:20px}.tag{font-size:9px;padding:6px 9px}main{padding:28px 18px 0;max-width:470px}.intro h1{font-size:25px;letter-spacing:1px}.intro p{font-size:11px}.eyebrow{font-size:8px}.game{display:flex;flex-direction:column;gap:22px;margin-top:26px}.levels button{padding:7px 18px}.cell{font-size:22px}.pencil{font-size:8px;padding:2px}.aside-top{display:none}aside{padding:0}.keypad{grid-template-columns:repeat(9,1fr);gap:4px}.keypad button{height:49px;font-size:21px;border-radius:6px}.tools{margin:18px 0}.tools b{font-size:23px;margin-bottom:3px}.tip{margin-top:19px;padding:13px}.tip br{display:none}.tip p{margin-top:3px}.keyboard{display:none}footer{margin-top:25px;padding:20px 0}.clock{font-size:16px}}

/* 每日挑战与纪念卡 */
[hidden]{display:none!important}.journey{display:flex;align-items:center;justify-content:space-between;margin-top:28px;gap:12px;flex-wrap:wrap}.mode-tabs{display:flex;gap:6px}.mode-tabs button{padding:10px 17px;border:1px solid #dce3d4;border-radius:22px;font-size:12px}.mode-tabs button.active{background:#e1ead8;border-color:#9bb48b;color:#3d623e}.journey-stats{display:flex;align-items:center;gap:16px;font-size:11px;color:#819075}.journey-stats button{padding:8px 0}.journey-stats strong{color:#4d7355;margin-left:7px}.mode-description{font-size:11px;color:#89967d;margin:12px 0 0}.game{margin-top:22px}.milestones{display:flex;gap:18px;flex-wrap:wrap;margin-top:28px;padding:17px 0;border-top:1px solid #e1e6d9;font-size:11px;color:#9da693}.milestones>span:first-child{color:#657c59}.milestones .earned{color:#44734c}footer{margin-top:10px}dialog{width:420px;max-height:90dvh;overflow:auto}dialog h2{font-weight:500}dialog p{line-height:1.9}.dialog-top{display:flex;align-items:center;justify-content:space-between}.dialog-top button{font-size:26px;line-height:1;padding:0 4px}.primary{display:block;background:#55765b;color:#fff;border-radius:8px;padding:12px 18px;width:100%;margin:15px 0 0;font-size:13px}.subtle{font-size:10px!important;color:#9ba78f!important}#hintText{min-height:74px;white-space:pre-line}#scoreOpen{font-size:12px;margin-top:15px;color:#55765b}.month-nav{display:flex;justify-content:space-between;align-items:center;margin:12px 0}.month-nav h2{font-size:18px}.month-nav button{font-size:28px}.weekdays,#calendarGrid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.weekdays{font-size:11px;text-align:center;color:#9aa78e;margin-bottom:12px}#calendarGrid span{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:12px;background:#f1f4ec}#calendarGrid .empty{background:transparent}#calendarGrid .today{outline:1px solid #88a478}#calendarGrid .completed{background:#5c805f;color:#fff}#calendarGrid .future{opacity:.4}#scoreCard{text-align:center;background:#f1f5e9;padding:25px 12px;margin-top:18px;border:1px solid #dde6d1;border-radius:12px}#scoreCard h2{font-size:21px}.score-star{font-size:62px;color:#8aab6a;margin:10px 0}.score-metrics{display:flex;justify-content:center;gap:45px;margin:26px 0}.score-metrics strong{display:block;font-size:28px;font-variant-numeric:tabular-nums}.score-metrics span{font-size:10px;color:#849477}#shareCard{display:block;width:100%;padding:14px;font-size:12px}body:has(#overlay:not([hidden])) #board{visibility:hidden}@media(prefers-reduced-motion:no-preference){#overlayIcon{animation:appear .5s ease-out}@keyframes appear{from{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}}@media(max-width:650px){.journey{margin-top:22px}.journey-stats{width:100%;justify-content:space-between}.mode-tabs{width:100%}.mode-tabs button{flex:1}.milestones{gap:13px;font-size:10px}.keypad button small{font-size:7px;white-space:nowrap}.game{margin-top:18px}dialog{padding:22px}.score-metrics{gap:35px}}

.back-home{text-decoration:none;color:#6b8063}.brand{font-size:20px;gap:7px}@media(max-width:650px){.brand{font-size:16px}.brand-sub{font-size:10px;padding-left:8px;margin-left:0}.logo{font-size:24px}.back-home{white-space:nowrap}}