@font-face{font-family:Barlow;src:url(/fonts/barlow-condensed-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}:root{font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#3c3a46;background:#efedf4;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--bg:#efedf4;--paper:#fff;--ink:#3c3a46;--muted:#87838f;--line:#e7e4ed;--accent:#66579b;--tab:#e5e1ed;--cell:#fff;--cell-line:#c5c0ce;--target:#eeebf6;--shadow:0 8px 40px #3c345a05;color-scheme:light}:root[data-theme=dark]{--bg:#23222b;--paper:#2d2b36;--ink:#f0edf5;--muted:#a09baa;--line:#403c4b;--accent:#b3a1e1;--tab:#302d3b;--cell:#302d39;--cell-line:#5b5368;--target:#464052;--shadow:0 8px 40px #00000012;color:var(--ink);background:var(--bg);color-scheme:dark}*{box-sizing:border-box}body{margin:0;min-width:320px}button,a,input{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}button{color:inherit;border:0;background:none}button:disabled{opacity:.35;cursor:not-allowed}button,a{touch-action:manipulation}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{transition:background .15s,color .15s,box-shadow .15s}button:not(:disabled):active{transform:translateY(1px)}svg{display:block;flex-shrink:0}.site-header{height:76px;background:var(--paper);padding:0 max(28px,calc((100vw - 1200px)/2));display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.wordmark{display:flex;align-items:center;font-family:Barlow,sans-serif;font-size:25px;font-weight:700;letter-spacing:-.4px;white-space:nowrap}.wordmark-light{color:#aaa4b7;padding:0 4px}.brand-mark{width:22px;height:24px;display:grid;grid-template-columns:repeat(2,9px);grid-template-rows:repeat(2,9px);gap:2px;margin-right:12px;transform:rotate(-8deg)}.brand-mark span{background:#6d5ca1;border-radius:1.5px}.brand-mark span:nth-child(2){background:#c1b7da}.brand-mark span:last-child{background:#f2b76c}.edition{font-family:Microsoft YaHei,sans-serif;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:2px;margin-left:15px;padding-left:15px;border-left:1px solid var(--line)}.header-actions{display:flex;gap:8px;align-items:center}.daily-tag{font-family:Barlow,sans-serif;font-size:12px;letter-spacing:1.6px;color:var(--muted);margin-right:18px}.icon-button{width:34px;height:34px;display:inline-flex;justify-content:center;align-items:center;border-radius:50%;color:var(--muted)}.icon-button:hover{background:var(--tab);color:var(--ink)}main{padding:0 20px;max-width:1100px;margin:0 auto}.intro{text-align:center;padding:40px 0 17px}.eyebrow{font-family:Barlow,sans-serif;font-size:12px;letter-spacing:2.5px;color:var(--muted);font-weight:700;margin:0}.intro h1{font-size:38px;letter-spacing:4px;font-weight:650;line-height:1.35;margin:10px 0}.title-period{color:var(--accent)}.subtitle{font-size:13px;color:var(--muted);margin:0;line-height:1.8}.date-navigation{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:13px;min-height:34px}.date-trigger{display:flex;gap:9px;align-items:center;font-size:12px;font-weight:550;letter-spacing:.4px;padding:7px 8px;border-radius:5px}.date-trigger:hover{background:var(--tab)}.date-trigger>svg{color:var(--muted)}.weekday{color:var(--muted);padding-left:9px;border-left:1px solid #aaa3b73b}.today-button{font-size:11px;color:var(--accent);border-bottom:1px solid currentColor;padding:1px}.mode-tabs{display:flex;background:var(--tab);border:1px solid #a59ab20a;padding:4px;border-radius:9px;max-width:504px;margin:0 auto 14px;gap:2px}.mode-tabs button{height:36px;flex:1;display:flex;align-items:center;justify-content:center;gap:7px;font-family:Barlow,sans-serif;font-size:16px;color:var(--muted);border-radius:6px;letter-spacing:.6px}.mode-tabs button[aria-selected=true]{background:var(--paper);color:var(--ink);box-shadow:0 2px 5px #3333330c}.mode-tabs button:hover{color:var(--ink)}.tab-dot{width:4px;height:4px;background:var(--accent);border-radius:100%}.play-area{max-width:748px;margin:auto;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;overflow:hidden}.game-topline,.game-bottomline{display:flex;justify-content:space-between;align-items:center;margin:0 22px;color:var(--muted);font-size:11px;letter-spacing:.2px}.game-topline{height:47px;border-bottom:1px solid var(--line)}.mode-label{display:flex;gap:7px;align-items:center}.live-dot{width:5px;height:5px;background:#8d81ae;border-radius:50%}.time{display:flex;align-items:center;gap:6px;font-family:Consolas,monospace;font-variant-numeric:tabular-nums}.game-stage{position:relative;width:100%;padding:15px 22px 4px}.puzzle-svg{display:block;width:100%;height:auto;overflow:visible;touch-action:none;user-select:none;-webkit-user-select:none}.dot{fill:var(--muted);opacity:.28}.board-caption{font-family:Segoe UI,Microsoft YaHei,sans-serif;font-size:.18px;letter-spacing:.045px;fill:var(--muted);opacity:.8}.board-cell{cursor:pointer}.board-cell>rect{fill:var(--cell);stroke:var(--cell-line);stroke-width:.019}.board-cell>text{fill:var(--muted);font-size:.31px;font-family:Segoe UI,sans-serif;pointer-events:none}.board-cell .cell-word{font-size:.255px;letter-spacing:-.008px}.board-cell.is-target>rect{fill:var(--target);stroke:var(--cell-line)}.board-cell.is-target>text{fill:var(--ink);font-weight:750}.board-cell>circle{fill:var(--accent);pointer-events:none}.board-cell:focus-visible{outline:none}.board-cell:focus-visible>rect{stroke:var(--accent);stroke-width:.06}.piece{cursor:grab;outline:none}.piece-body{fill:var(--piece-color)}.piece-body rect{pointer-events:all}.piece-outline{stroke:#00000014;stroke-width:.025;pointer-events:none;stroke-linejoin:round}.piece:hover .piece-outline{stroke:#25213760;stroke-width:.035}.piece.selected .piece-outline{stroke:var(--ink);stroke-width:.055;stroke-dasharray:.1 .06}.piece:focus-visible .piece-outline{stroke:var(--accent);stroke-width:.09}.piece.dragging{cursor:grabbing;filter:drop-shadow(0 .1px .1px #00000024)}.piece-number{font-size:.29px;fill:#fff;font-weight:650;opacity:.85;pointer-events:none}.game-toast{position:absolute;left:50%;bottom:16px;transform:translate(-50%);background:var(--ink);color:var(--paper);border-radius:7px;padding:11px 14px;max-width:95%;width:max-content;font-size:12px;display:flex;gap:7px;align-items:center;box-shadow:0 4px 15px #0002;pointer-events:none;line-height:1.7;z-index:2}.piece-toolbar{height:56px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 22px;display:flex;align-items:center;justify-content:space-between}.selection-label{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:6px;min-width:120px}.color-dot{width:8px;height:8px;border-radius:2px}.transform-buttons{display:flex;gap:12px}.transform-buttons button{display:flex;gap:6px;align-items:center;font-size:12px;border-radius:5px;padding:7px 10px}.transform-buttons button:hover:not(:disabled){background:var(--tab)}kbd{font-family:Consolas,monospace;font-size:10px;border:1px solid var(--line);padding:1px 4px;border-radius:3px;color:var(--muted);line-height:1.4}.mobile-help{opacity:.7}.game-bottomline{height:47px;font-size:11px}.progress-label{display:flex;align-items:center;gap:9px}.progress-label.complete{color:#5a9b77}.progress-track{width:58px;height:3px;background:var(--line);border-radius:3px;overflow:hidden}.progress-track>span{height:100%;display:block;background:var(--accent);transition:width .3s}.action-bar{display:flex;max-width:560px;margin:0 auto;justify-content:center;gap:8px;padding:0 10px}.action-bar>button{display:flex;gap:8px;align-items:center;justify-content:center;font-size:12px;padding:10px 17px;border-radius:7px;white-space:nowrap}.action-bar>button:hover:not(:disabled){background:var(--tab)}.action-bar .hint-button{background:var(--paper);border:1px solid var(--line);box-shadow:0 2px 6px #00000003;color:var(--accent)}.action-bar .hint-button:disabled{color:var(--muted);opacity:.8;background:transparent;border-style:dashed;box-shadow:none}.gesture-note{text-align:center;font-size:11px;color:var(--muted);line-height:1.9;margin:10px 0 16px}.gesture-note>span{margin:0 10px;opacity:.5}.share-status{position:fixed;left:50%;bottom:22px;transform:translate(-50%);z-index:5;font-size:12px;color:var(--paper);background:var(--ink);padding:9px 14px;border-radius:7px;box-shadow:0 6px 20px #00000026;margin:0;pointer-events:none}.how-section{max-width:880px;margin:67px auto 58px;border-top:1px solid #aba3b52c;padding-top:36px;display:grid;grid-template-columns:240px 1fr;gap:40px}.how-heading>.eyebrow{font-size:10px;letter-spacing:1.3px}.how-heading h2{font-size:23px;font-weight:550;letter-spacing:2px;margin:12px 0}.how-heading p{font-size:11px;line-height:1.9;color:var(--muted);max-width:210px}.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.step-number{font-family:Barlow,sans-serif;font-size:15px;color:#a69abb}.how-steps h3{font-size:12px;margin:13px 0 9px;font-weight:600}.how-steps p{font-size:11px;color:var(--muted);line-height:1.95;margin:0}footer{max-width:1200px;margin:auto;padding:23px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;font-size:10px;color:var(--muted);line-height:1.8}footer>div{display:flex;align-items:center;gap:10px}footer a:hover{color:var(--ink)}.footer-dot{padding:0 7px}.footer-separator{opacity:.5}footer svg{opacity:.6;margin-left:4px}.modal{position:fixed;max-width:min(440px,calc(100vw - 32px));width:100%;padding:26px;border:1px solid var(--line);border-radius:14px;background:var(--paper);color:var(--ink);box-shadow:0 15px 80px #16132030}.modal::backdrop{background:#25202f60;backdrop-filter:blur(4px)}.modal-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.modal-heading h2{font-size:21px;letter-spacing:1px;font-weight:600;margin:0}.modal>p{font-size:13px;line-height:1.95;color:var(--muted)}.help-list{list-style:none;margin:22px 0;padding:0;font-size:12px;line-height:1.9}.help-list li{display:flex;gap:9px;align-items:flex-start;margin:12px 0}.help-list svg{color:var(--accent);margin-top:2px}.keyboard-help{display:flex;gap:14px;flex-wrap:wrap;font-size:11px;color:var(--muted);padding-top:15px;border-top:1px solid var(--line);margin-bottom:25px}.keyboard-help span{display:flex;gap:5px;align-items:center}.primary-button,.secondary-button{font-size:12px;padding:11px 16px;border-radius:6px;display:inline-flex;gap:8px;align-items:center;justify-content:center}.primary-button{background:var(--accent);color:var(--paper)}.primary-button:hover:not(:disabled){filter:brightness(1.07)}.secondary-button{background:var(--tab);color:var(--ink)}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.full-width{width:100%}.date-input-label{font-size:11px;display:block;margin:22px 0 9px;color:var(--muted)}#date-input{width:100%;padding:12px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:6px}.win-icon{display:flex;justify-content:center;color:#a48e5b;margin:22px 0 12px}.win-date{text-align:center;font-size:16px!important;color:var(--ink)!important}.win-stats{display:flex;justify-content:space-around;background:var(--bg);border-radius:9px;margin-top:20px;padding:20px}.win-stats span{display:flex;flex-direction:column;text-align:center;color:var(--muted);font-size:11px;gap:7px}.win-stats strong{font-family:Consolas,monospace;font-size:20px;color:var(--ink);font-weight:400}.spinner{width:15px;height:15px;border:2px solid currentColor;border-right-color:transparent;border-radius:100%;animation:spin .8s linear infinite;flex-shrink:0}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:900px){.intro{animation:arrive .5s both}.play-area{animation:arrive .5s .08s both}}@keyframes arrive{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1500px){.intro{padding-top:46px}.play-area{max-width:760px}}@media(max-width:1250px){footer{margin:0 28px}}@media(max-width:700px){.site-header{height:62px;padding:0 20px}.wordmark{font-size:22px}.edition{font-size:10px;margin-left:10px;padding-left:10px}.daily-tag{display:none}.header-actions{gap:3px}.intro{padding:27px 0 17px}.intro h1{font-size:32px;margin:9px 0}.eyebrow{font-size:10px;letter-spacing:2px}.subtitle{font-size:11px}.mode-tabs{margin-bottom:17px;max-width:450px}.mode-tabs button{font-size:14px;height:33px}.game-stage{padding:15px 12px 4px}.game-topline,.game-bottomline{margin:0 16px}.piece-toolbar{margin:0 16px;height:54px}.game-topline{height:41px}.game-bottomline{height:43px}.how-section{grid-template-columns:1fr;gap:24px;margin:43px auto 35px;padding:28px 8px 0}.how-heading p{max-width:none}.how-heading h2{font-size:21px}.how-steps{gap:22px}.how-steps p{font-size:11px}.how-steps h3{font-size:12px}footer{flex-direction:column;margin:0 20px;padding:19px 0;gap:8px}.gesture-note{font-size:10px}.gesture-note>span{margin:0 5px}.action-bar{margin:0 auto 2px}.action-bar>button{padding:10px 14px;font-size:11px;gap:6px}}@media(max-width:450px){main{padding:0 10px}.site-header{padding:0 15px}.edition{display:none}.intro{padding:14px 0 10px}.intro h1{font-size:28px;margin:7px 0}.subtitle{font-size:10px;max-width:300px;margin:auto}.date-navigation{margin-top:9px}.mode-tabs{gap:0;padding:3px;border-radius:7px;margin-left:2px;margin-right:2px;margin-bottom:9px}.gesture-note{display:none}.mode-tabs button{font-size:13px;letter-spacing:.2px;height:34px;gap:4px}.date-trigger{font-size:11px;gap:7px}.date-navigation{gap:0}.date-navigation .icon-button{width:29px;height:29px}.tab-dot{width:3px;height:3px}.play-area{border-radius:9px}.game-stage{padding:16px 8px 8px}.game-topline{margin:0 13px;font-size:10px}.board-cell>text{font-size:.34px}.board-cell .cell-word{font-size:.28px}.selection-label{min-width:95px;font-size:10px}.transform-buttons{gap:1px}.transform-buttons button{padding:6px;font-size:11px}.transform-buttons kbd{display:none}.piece-toolbar{margin:0 12px;height:50px}.game-bottomline{font-size:9px;margin:0 13px;gap:8px}.progress-track{width:37px}.progress-label{gap:6px}.action-bar{gap:2px}.action-bar>button{padding:10px 11px}.gesture-note{font-size:9px;letter-spacing:-.2px}.how-steps{gap:18px;grid-template-columns:1fr}.how-steps article{display:grid;grid-template-columns:22px 1fr;column-gap:12px}.how-steps h3{margin:1px 0 6px}.how-steps p{grid-column:2;max-width:290px}.modal{padding:22px}.modal-heading h2{font-size:19px}}@media(max-width:450px)and (max-height:740px){.intro{padding:10px 0 8px}.intro h1{font-size:25px;margin:6px 0}.subtitle{display:none}.date-navigation{margin-top:6px}.mode-tabs{margin-bottom:7px}}@media(max-width:360px){.action-bar{gap:2px;padding:0 6px}.action-bar>button{padding:9px;font-size:10.5px;gap:5px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}