:root{color-scheme:light;--paper:#f6f0e7;--ink:#463627;--muted:#9a8370;--russet:#82523b;--border:#e5d9c8}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}[hidden]{display:none!important}
.page{max-width:860px;min-height:100svh;margin:0 auto;display:flex;flex-direction:column}.topbar{height:73px;display:flex;align-items:center;justify-content:space-between;padding:0 34px;gap:16px}.back{display:flex;align-items:center;gap:12px;color:#7b6959;font-size:11px;font-weight:750;letter-spacing:1.5px}.back span:first-child{font-size:23px;line-height:1;letter-spacing:0}.back:hover{color:#533c2b}.top-controls{display:flex;gap:8px}.icon-button{border:1px solid transparent;color:#8b725e;background:none;display:flex;gap:6px;align-items:center;justify-content:center;padding:9px 11px;border-radius:12px;font-size:12px}.icon-button:hover{border-color:#e1d2bf;background:#fff9ef}.favorite-count{display:inline-grid;place-items:center;min-width:18px;height:18px;border-radius:10px;background:#ecdcc7;color:#785338;font-size:10px;padding:0 3px}.intro{text-align:center;padding:12px 18px 23px}.eyebrow{letter-spacing:3px;font-size:10px;font-weight:700;color:#ad8c6a}.intro h1{font-family:"Songti SC","Noto Serif SC","SimSun",serif;font-size:clamp(37px,6vw,50px);font-weight:700;letter-spacing:7px;margin:12px 0 10px;color:#65452e}.intro p{font-size:13px;color:#a08a75;letter-spacing:1px;margin:0;line-height:1.8}
.stage{position:relative;overflow:hidden;margin:0 33px;border-radius:23px;background:radial-gradient(ellipse at 42% 15%,#fffbf2,#d6c6ae 95%);height:clamp(350px,52vw,525px);touch-action:none;cursor:grab;box-shadow:inset 0 0 0 1px #d7c5ad66,0 16px 45px #6d533721;outline:none}.stage:active{cursor:grabbing}.stage:focus-visible{outline:3px solid #bf9c72;outline-offset:3px}.stage canvas{display:block;width:100%;height:100%;touch-action:none}.stage-top{position:absolute;z-index:2;top:17px;left:12px;right:12px;display:flex;justify-content:center;pointer-events:none}.status{background:#fcf5e9dc;color:#785f49;border:1px solid #d6c0a560;border-radius:99px;padding:8px 15px;font-size:12px;box-shadow:0 5px 16px #6045270c;backdrop-filter:blur(7px);text-align:center}.stage-bottom{position:absolute;z-index:2;bottom:20px;left:0;right:0;display:flex;align-items:center;justify-content:center;gap:9px;color:#fff9ee;font-size:12px;letter-spacing:1px;text-shadow:0 1px 6px #3c261799;pointer-events:none}.gesture-icon{font-size:22px;line-height:1}.stage-fallback{position:absolute;z-index:3;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:17px;background:radial-gradient(circle at 45% 20%,#f5ede0,#d9c9b4);font-size:13px;color:#795e48;padding:28px;text-align:center;line-height:1.8}.loader{width:33px;height:33px;border:2px solid #ddc7ac;border-top-color:#83573b;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.actions{display:flex;gap:12px;margin:20px 33px 0}.actions button{border-radius:12px;min-height:53px;border:0;font-size:14px;font-weight:700;letter-spacing:1px}.primary{background:#805138;color:#fff8ee;flex:1;box-shadow:0 4px 0 #603b28,0 10px 26px #72452b26;transition:background .15s,transform .1s,box-shadow .1s}.primary:hover:not(:disabled){background:#936044}.primary:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 #603b28}.primary:disabled{opacity:.65;box-shadow:none}.button-symbol{font-size:17px;margin-right:10px;color:#f3d6a9}.secondary{padding:0 22px;background:#fff9f0;color:#81664f;border:1px solid #e2d3bf!important}.secondary:hover:not(:disabled){background:#fff}.secondary:disabled{opacity:.55}
.result{background:#fffbf4;text-align:center;margin:24px 33px 0;padding:27px 18px 25px;border:1px solid #dac6aa;border-radius:17px;box-shadow:0 12px 24px #7455350c;animation:resultIn .45s ease-out}@keyframes resultIn{from{opacity:0;transform:translateY(13px)}to{opacity:1;transform:translateY(0)}}.result-rule{color:#a3846b;font-size:11px;letter-spacing:3px}.result-label{display:inline-block;font-size:10px;letter-spacing:2px;color:#aa8c6c;border:1px solid #dfc6a7;border-radius:30px;padding:7px 14px;margin-top:19px}.result h2{font-family:"Songti SC","Noto Serif SC","SimSun",serif;font-size:clamp(23px,5vw,31px);line-height:1.5;color:#7d4b35;margin:16px 0 11px;letter-spacing:2px}.result p{font-family:"Songti SC","Noto Serif SC","SimSun",serif;line-height:1.85;color:#75604d;font-size:17px;margin:0}.result-actions{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:24px}.result-actions button{background:#fbf3e8;border:1px solid #e5d3ba;border-radius:9px;padding:10px 15px;color:#785c45;font-size:12px}.result-actions button:hover{background:#f4e6d2}.result-actions button.saved{color:#ab574e;border-color:#debaa9}.result-actions #save-icon{font-size:18px;vertical-align:middle;margin-right:5px}.foot{text-align:center;color:#b49e88;font-size:11px;line-height:1.7;letter-spacing:.5px;padding:27px 18px 31px;margin-top:auto}
.drawer{position:fixed;inset:0;z-index:20}.drawer-backdrop{position:absolute;inset:0;background:#20171175;backdrop-filter:blur(3px)}.drawer-sheet{position:absolute;right:0;top:0;bottom:0;background:#fbf7f0;width:min(425px,95vw);display:flex;flex-direction:column;padding:27px 25px 24px;box-shadow:-18px 0 65px #20171126;animation:drawerIn .2s ease-out}@keyframes drawerIn{from{transform:translateX(100%)}to{transform:translateX(0)}}.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.drawer-head h2{font-family:"Songti SC",serif;font-size:24px;color:#6f4b35;margin:8px 0}.drawer-close{background:none;border:1px solid #e5d8c8;border-radius:10px;font-size:23px;color:#987c66;width:38px;height:38px}.favorites-list{overflow:auto;flex:1;min-height:80px;padding:12px 1px}.saved-item{padding:17px 4px;border-bottom:1px solid #e6dacb}.saved-num{color:#ad947c;font-size:10px;letter-spacing:1.5px}.saved-item h3{font-family:"Songti SC",serif;color:#80543b;font-size:18px;margin:8px 0}.saved-item p{font-size:13px;color:#917d68;margin:0;line-height:1.7}.saved-item button{color:#b07762;background:none;border:0;padding:9px 0 0;font-size:11px}.drawer-tip{color:#ad9986;font-size:11px;line-height:1.7;margin-top:15px}.no-favorites{text-align:center;color:#a28a76;font-size:13px;padding:45px 4px;line-height:1.9}body.drawer-open{overflow:hidden}button:focus-visible,a:focus-visible{outline:2px solid #9c7654;outline-offset:3px}
@media(max-width:600px){.topbar{height:59px;padding:0 17px}.intro{padding:13px 12px 19px}.intro h1{font-size:38px;margin:9px 0}.intro p{font-size:12px}.stage{margin:0 11px;border-radius:17px;height:clamp(380px,64svh,620px)}.actions{margin:15px 12px 0;gap:9px}.actions button{min-height:52px}.secondary{padding:0 14px}.result{margin:20px 12px 0;padding:22px 11px}.result p{font-size:16px}.result-actions button{padding:10px 12px}.foot{padding:25px 10px 30px}}
@media(max-width:400px){.stage{height:clamp(355px,60svh,540px)}.intro h1{font-size:34px}.back{font-size:10px;gap:7px}.icon-button{font-size:11px;padding:8px}.actions button{font-size:13px}.result-actions button{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}