:root{color-scheme:light;--ink: #15364d;--muted: #637983;--paper: #fffdf8;--surface: rgba(255, 255, 255, .86);--surface-strong: #ffffff;--mint: #55c9a7;--mint-dark: #18755c;--sky: #4a9ce8;--coral: #ff7d61;--gold: #f5b63f;--violet: #7567e8;--bad: #bd4c45;--line: rgba(42, 82, 111, .16);--shadow: 0 18px 42px rgba(31, 67, 92, .16);--soft-shadow: 0 10px 26px rgba(31, 67, 92, .11);font-family:ui-rounded,SF Pro Rounded,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}html{min-width:320px;min-height:100%;overflow-x:hidden;background:#e9f8ff}body{margin:0;min-height:100dvh;overflow-x:hidden;color:var(--ink);background:linear-gradient(180deg,#ffffffb8,#f4ffeb6b),url(/assets/word-game-bg.png) center / cover fixed no-repeat,linear-gradient(180deg,#bdeaff,#effcff 44%,#f5ffe8)}button,input{font:inherit}button{touch-action:manipulation}button:focus-visible,input:focus-visible{outline:3px solid rgba(74,156,232,.32);outline-offset:3px}h1,h2,p{margin:0;letter-spacing:0}.app{position:relative;z-index:1;width:min(100%,1720px);min-height:100dvh;margin:0 auto;padding:max(18px,env(safe-area-inset-top)) 16px max(28px,env(safe-area-inset-bottom))}.home-page{display:grid;gap:18px}.home-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-mark{display:grid;place-items:center;width:clamp(168px,22vw,280px);min-height:78px;border:0;background:transparent;cursor:pointer}.brand-mark img{width:100%;height:auto;filter:drop-shadow(0 10px 12px rgba(34,82,77,.18))}.player-chip{display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:6px 8px 6px 14px;border:1px solid var(--line);border-radius:999px;background:#ffffffe0;box-shadow:var(--soft-shadow)}.player-chip .avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;color:#fff;background:linear-gradient(145deg,var(--sky),var(--violet))}.player-chip strong{max-width:11em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-chip button{display:grid;place-items:center;width:40px;height:40px;border:0;border-radius:50%;color:var(--ink);background:#eef7ff;cursor:pointer}.home-hero{position:relative;min-height:252px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(320px,.7fr);gap:22px;align-items:stretch;overflow:hidden;border:1px solid rgba(255,255,255,.7);border-radius:28px;background:linear-gradient(110deg,#fffffff2,#f6fff9b8);box-shadow:var(--shadow)}.home-hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,#ffffffeb,#ffffff3d);pointer-events:none}.hero-copy{position:relative;z-index:1;display:grid;align-content:center;gap:12px;padding:clamp(22px,4vw,46px)}.eyebrow{display:inline-flex;align-items:center;gap:7px;color:#176b56;font-size:13px;font-weight:950;text-transform:uppercase}.hero-copy h1{font-size:clamp(48px,8vw,96px);line-height:.96;color:#173e54}.hero-copy p:not(.eyebrow){max-width:620px;color:#496b7d;font-size:clamp(16px,2vw,20px);line-height:1.7;font-weight:700}.hero-metrics{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.hero-metrics span{display:inline-flex;align-items:baseline;gap:6px;min-height:46px;padding:8px 14px;border:1px solid var(--line);border-radius:16px;background:#ffffffd1;color:#55717e;font-weight:900}.hero-metrics strong{color:var(--mint-dark);font-size:24px}.hero-art{min-height:252px;background:url(/assets/quest-map-hero.png) center / cover no-repeat}.quest-dashboard{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,430px);gap:18px;align-items:start}.path-panel,.leaderboard-panel{border:1px solid rgba(255,255,255,.7);border-radius:26px;background:#ffffffc7;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.path-panel{padding:clamp(16px,2vw,24px);overflow:hidden}.leaderboard-panel{position:sticky;top:16px;padding:20px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.panel-heading h2{font-size:clamp(22px,3vw,34px);line-height:1.15}.progress-badge{display:inline-grid;place-items:center;min-width:70px;min-height:44px;padding:0 14px;border-radius:999px;color:#fff;background:linear-gradient(145deg,var(--coral),#f04f6f);font-weight:1000;box-shadow:0 8px #bf464e29}.quest-path{position:relative;display:grid;grid-template-columns:repeat(8,minmax(76px,1fr));gap:20px 10px;padding:18px 10px 28px}.quest-path:before{content:"";position:absolute;left:42px;right:42px;top:88px;bottom:74px;background:linear-gradient(90deg,transparent,rgba(74,156,232,.18),rgba(85,201,167,.2),transparent);border-radius:999px;transform:rotate(-1.5deg)}.quest-node{position:relative;z-index:1;grid-column:span 2;display:grid;grid-template-columns:64px minmax(0,1fr);align-items:center;gap:12px;min-height:94px;padding:14px;border:2px solid rgba(255,255,255,.84);border-radius:22px;color:var(--ink);background:var(--surface-strong);box-shadow:0 8px #255f7617,var(--soft-shadow);text-align:left;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}.quest-node:hover{transform:translateY(-3px);box-shadow:0 10px #255f761a,0 16px 34px #1f435c2b}.quest-node:active{transform:translateY(1px) 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small{color:#64808c;font-size:12px;font-weight:850;line-height:1.35}.node-stars{grid-column:2;display:inline-flex;gap:2px;color:#f0a922}.rank-list{display:grid;gap:12px;min-height:260px}.rank-row{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:12px;align-items:center;min-height:70px;padding:12px;border:1px solid var(--line);border-radius:18px;background:#fffc}.rank-number{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;color:#fff;background:#5da8e5;font-weight:1000}.rank-1 .rank-number{background:linear-gradient(145deg,#ffd45a,#ff8a4e)}.rank-2 .rank-number{background:linear-gradient(145deg,#9bd8ff,#6d7fee)}.rank-3 .rank-number{background:linear-gradient(145deg,#6ee0bd,#2b9b75)}.rank-row strong,.rank-row small{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rank-row small{color:var(--muted);font-size:12px;font-weight:800}.rank-time{color:#173e54;font-weight:1000;font-variant-numeric:tabular-nums}.rank-empty{min-height:220px;display:grid;place-items:center;align-content:center;gap:8px;color:#5a7482;text-align:center}.rank-empty strong{color:var(--ink);font-size:20px}.leaderboard-note{display:flex;align-items:center;gap:8px;margin-top:16px;padding:12px;border-radius:16px;color:#34695b;background:#dff8eee6;font-size:13px;font-weight:850}.modal-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:20px;background:#0e273675;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.name-dialog{width:min(100%,430px);display:grid;gap:12px;padding:28px;border:1px solid rgba(255,255,255,.82);border-radius:26px;background:#fffef9;box-shadow:0 26px 80px #122a3a3d}.dialog-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;color:#fff;background:linear-gradient(145deg,var(--sky),var(--mint))}.name-dialog h2{font-size:30px}.name-dialog p{color:var(--muted);line-height:1.6;font-weight:750}.name-dialog label{color:#31556a;font-size:14px;font-weight:950}.name-dialog input{width:100%;min-height:52px;padding:0 14px;border:2px solid rgba(74,156,232,.24);border-radius:16px;color:var(--ink);background:#f8fcff}.dialog-actions,.finish-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}.game-page{width:min(100%,1500px);min-height:calc(100dvh - 46px);margin:0 auto;display:grid;grid-template-rows:130px minmax(0,1fr)}.game-header{display:grid;grid-template-columns:minmax(160px,230px) minmax(0,1fr) minmax(180px,260px);gap:20px;align-items:start;padding-top:24px}.game-logo{justify-self:center;display:grid;place-items:center;width:clamp(260px,24vw,390px);min-height:104px}.game-logo img{width:100%;height:auto;filter:drop-shadow(0 11px 12px rgba(38,65,38,.2))}.unit-pill{justify-self:end;max-width:100%;min-height:54px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 16px;overflow:hidden;border:1px solid rgba(91,112,128,.14);border-radius:18px;color:#173e54;background:linear-gradient(180deg,#fff,#eef8ff);box-shadow:0 7px #485c6d1a,var(--soft-shadow);font-weight:950;text-overflow:ellipsis;white-space:nowrap}.ghost-button,.primary-button,.hint-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:46px;border:0;border-radius:16px;cursor:pointer;font-weight:950;text-decoration:none;transition:transform .16s ease,filter .16s ease,box-shadow .16s ease}.ghost-button{min-height:54px;padding:0 18px;border:1px solid rgba(91,112,128,.14);color:#173e54;background:linear-gradient(180deg,#fff,#f0f8ff);box-shadow:0 7px #485c6d1a,var(--soft-shadow)}.primary-button{padding:0 18px;color:#fff;background:linear-gradient(180deg,#45c796,#18956e);box-shadow:0 5px #117354}.secondary-button{padding:0 16px;color:#584730;background:linear-gradient(180deg,#ffe184,#e7a93b);box-shadow:0 5px #b87926}.hint-button{color:#fff;background:linear-gradient(180deg,#7bc4ff,#3d91df);box-shadow:0 5px #2c73b6}.ghost-button:active,.primary-button:active,.hint-button:active,.secondary-button:active{transform:translateY(1px) scale(.98)}.primary-button:disabled,.hint-button:disabled,.secondary-button:disabled{cursor:not-allowed;filter:grayscale(.2);opacity:.56}.play-layout{display:grid;grid-template-columns:minmax(720px,820px) minmax(400px,460px);gap:clamp(30px,4vw,60px);align-items:center;justify-content:center;align-self:center}.board-column,.side-column{min-width:0}.side-column{align-self:center;display:grid;gap:16px}.game-hud{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.game-hud div{min-width:0;padding:18px 16px 16px;border:2px solid 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rgba(36,68,91,.17))}.board-stage{position:absolute;top:31px;left:12%;right:12%;display:flex;justify-content:center;align-items:center;min-height:42px;color:#fffde9;pointer-events:none}.board-stage span{font-size:clamp(22px,3vw,30px);font-weight:1000;letter-spacing:0;text-shadow:0 2px 0 rgba(54,89,43,.62),0 0 8px rgba(255,255,255,.46)}.word-board{position:relative;width:100%;aspect-ratio:600 / 438;overflow:hidden;isolation:isolate;border-radius:18px;background:transparent}.word-tile{--tile-size: clamp(28px, 8.8%, 52px);position:absolute;width:var(--tile-size);aspect-ratio:1 / 1;display:grid;place-items:center;border:2px solid #b9ad96;border-radius:clamp(8px,1.6vw,12px);color:#5b4d40;background:linear-gradient(145deg,#d4d0bd,#adaf99);box-shadow:3px 5px #625b4657,0 5px 9px #2c3d2f2e,inset 0 2px #ffffff9e;font-size:clamp(16px,4.5vw,27px);font-weight:1000;letter-spacing:0;-webkit-user-select:none;user-select:none;transition:filter .18s ease,transform .18s ease,box-shadow .18s ease,background .18s ease}.word-tile.covered{cursor:default;filter:saturate(.54) brightness(.9)}.word-tile.covered:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:#2b392b29;pointer-events:none}.word-tile.exposed{cursor:pointer;color:#4a3020;border-color:#cdbd99;background:linear-gradient(145deg,#fffdf5,#efe6d3);box-shadow:3px 6px #897e6573,0 8px 14px #5953273d,inset 0 2px #fffffff5;animation:breathe 2.5s ease-in-out infinite}.word-tile.exposed:hover{filter:brightness(1.025);transform:translateY(-2px)}.word-tile.hint{border-color:#e8b833;background:linear-gradient(145deg,#fff6bb,#ffc94e);box-shadow:0 0 0 4px #ffcd3e4d,3px 7px #a47c266b;animation:pulse 1s ease-in-out infinite}.word-tile.wrong{animation:shake .34s ease;border-color:var(--bad);box-shadow:0 0 0 3px #bd4c4533}.board-complete{position:absolute;top:0;right:0;bottom:0;left:0;z-index:9999;display:grid;place-content:center;gap:8px;text-align:center;color:#2e7356;font-weight:1000;text-shadow:0 2px rgba(255,255,255,.8);pointer-events:none}.board-complete strong{font-size:clamp(28px,8vw,44px)}.board-complete span{color:#4f786c;font-size:15px}.answer-panel{width:100%;padding:50px 34px 36px;border-radius:30px;background:url(/assets/task-card-panel.png) center / 100% 100% no-repeat;filter:drop-shadow(0 14px 18px rgba(35,63,84,.13))}.task-row{display:grid;justify-items:center;gap:7px;text-align:center}.task-row span{display:inline-flex;align-items:center;gap:12px;color:var(--muted);font-size:16px;font-weight:950}.task-row span:before,.task-row span:after{content:"";width:44px;height:1px;background:linear-gradient(90deg,transparent,rgba(92,100,80,.42))}.task-row span:after{background:linear-gradient(90deg,rgba(92,100,80,.42),transparent)}.task-row strong{color:#216a48;font-size:clamp(25px,3.5vw,36px);line-height:1.3}.task-row small{min-height:17px;color:var(--muted);font-size:12px;font-weight:850}.answer-slots{display:flex;justify-content:center;align-items:center;min-height:64px;margin:18px 0 20px;padding:0 2px}.word-answer-slot{width:min(100%,360px);min-height:58px;display:grid;place-items:center;padding:8px 18px;border:3px solid #86b36e;border-radius:14px;color:#6f897b;background:linear-gradient(180deg,#fffffff2,#f4fff1eb);box-shadow:inset 0 2px #ffffffe6,0 4px #76975b1f;font-size:clamp(18px,3vw,32px);font-weight:1000;letter-spacing:0;text-align:center;word-break:break-all}.word-answer-slot.filled{color:#1f6f51;background:#f7fff4;animation:slotIn .18s ease}.panel-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.panel-actions button{min-width:0;min-height:54px;padding:0 8px;color:#fff;font-size:clamp(14px,2.5vw,18px);text-shadow:0 1px rgba(45,64,54,.24)}.panel-actions .secondary-button:last-child{background:linear-gradient(180deg,#a5d76e,#6cad43);box-shadow:0 5px #4c832f}.finish-panel,.empty-page{display:grid;justify-items:center;gap:12px;text-align:center}.finish-panel strong,.empty-page h1{font-size:clamp(26px,7vw,38px)}.finish-panel span{color:var(--muted);font-weight:900}.combo-panel{display:flex;align-items:center;gap:10px;min-height:54px;padding:0 16px;border-radius:18px;color:#245f51;background:#e6faf2e6;font-weight:950;box-shadow:var(--soft-shadow)}.combo-panel span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@keyframes breathe{0%,to{transform:translateY(0)}50%{transform:translateY(-1px)}}@keyframes pulse{0%,to{filter:brightness(1)}50%{filter:brightness(1.08)}}@keyframes shake{0%,to{transform:translate(0)}24%{transform:translate(-5px)}48%{transform:translate(5px)}72%{transform:translate(-3px)}}@keyframes slotIn{0%{transform:translateY(-4px) scale(.92)}to{transform:translateY(0) scale(1)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:1ms!important;scroll-behavior:auto!important;transition-duration:1ms!important}}@media(max-width:1180px){.quest-dashboard,.play-layout{grid-template-columns:minmax(0,1fr)}.leaderboard-panel{position:static}.game-page{width:min(100%,760px);min-height:auto;display:block}.side-column{width:min(100%,580px);margin:0 auto}.quest-path{grid-template-columns:repeat(4,minmax(76px,1fr))}}@media(max-width:760px){.app{padding-inline:10px}.home-topbar{align-items:flex-start}.brand-mark{width:min(52vw,210px);min-height:58px}.player-chip{min-height:48px;padding-left:10px}.home-hero{grid-template-columns:minmax(0,1fr);min-height:auto}.hero-art{min-height:170px;order:-1}.hero-copy{padding:20px}.quest-path{grid-template-columns:minmax(0,1fr);gap:12px;padding-inline:0}.quest-path:before{left:36px;right:auto;top:40px;bottom:40px;width:12px;transform:none}.quest-node,.quest-node.node-1,.quest-node.node-3,.quest-node.node-1:hover,.quest-node.node-3:hover{grid-column:auto;transform:none}.leaderboard-panel,.path-panel{border-radius:22px;padding:16px}.game-header{grid-template-columns:54px minmax(0,1fr) minmax(86px,112px);gap:8px;padding-top:0;margin-bottom:8px}.game-logo{width:min(52vw,238px);min-height:76px}.unit-pill{min-height:44px;padding:0 8px;border-radius:14px;font-size:11px}.ghost-button{min-width:44px;min-height:44px;padding:0;font-size:0;gap:0}.ghost-button svg{width:19px;height:19px}.board-shell{padding:44px 18px 22px;border-radius:20px}.board-stage{top:15px;left:14%;right:14%;min-height:42px}.board-stage span{font-size:20px}.word-board{aspect-ratio:390 / 390;border-radius:15px}.game-hud{gap:8px}.game-hud div{padding:10px 8px;border-radius:15px}.game-hud strong{font-size:23px}.answer-panel{padding:42px 18px 28px;border-radius:20px}.task-row strong{font-size:24px}.answer-slots{min-height:56px;margin:14px 0 16px}.word-answer-slot{min-height:52px;padding:7px 12px;border-radius:12px;font-size:clamp(16px,6vw,24px)}.panel-actions{gap:8px}.panel-actions button{min-height:46px;font-size:13px}.name-dialog{padding:22px}}