:root{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#485646;background:#91b8ba;font-synthesis:none;-webkit-tap-highlight-color:transparent;font-size:14px}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden;overscroll-behavior:none;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
body{display:flex;justify-content:center;background:#91b8ba}
button,input{font:inherit}
button{cursor:pointer;touch-action:none;color:inherit;border:0}
button:focus-visible{outline:3px solid #608ca6;outline-offset:3px}
[hidden],.hidden{display:none!important}
.shell{width:min(100%,480px);height:100dvh;position:relative;flex-shrink:0;box-shadow:0 0 70px #426b7220}
.game-card,#viewport{position:absolute;inset:0;overflow:hidden;background:#bbc9ff}
#game,#models{width:100%;height:100%;display:block;position:absolute;inset:0}
#models{pointer-events:none}
.stage-bar{position:absolute;z-index:4;top:max(16px,env(safe-area-inset-top));left:18px;right:18px;height:92px;display:flex;justify-content:center;align-items:flex-start;pointer-events:none}
.stage-bar h2{font-size:21px;line-height:44px;font-weight:800;letter-spacing:1px;color:#4d617b;margin:0;text-shadow:0 2px 0 #e4e8ff}
.stage-bar>.gear{position:absolute;right:0;top:0}
.course-progress{--progress:0%;position:absolute;left:8px;right:14px;top:61px;height:16px;border:3px solid #424958;border-radius:12px;background:#303442;box-shadow:0 2px 0 #727a9e40}
.progress-fill{position:absolute;inset:0 auto 0 0;width:var(--progress);max-width:100%;border-radius:8px;background:linear-gradient(#ffe6a0,#f1be59)}
.progress-pointer{position:absolute;left:var(--progress);top:-13px;transform:translateX(-50%);width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid #bd7b7c}
.progress-flag{position:absolute;right:-14px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:29px;height:29px;border-radius:50%;border:3px solid #626573;background:#f4cb7e;color:#fff8e5;font-size:18px;line-height:1}
.endless-score{position:absolute;top:51px;left:0;right:0;display:flex;align-items:baseline;justify-content:center;gap:10px;color:#86613d;font-variant-numeric:tabular-nums}
.endless-score>span{font-size:12px;color:#697b8d}.endless-score>strong{font-size:30px;line-height:1.2;color:#86613d;text-shadow:0 2px #fff4d6}
.gear{width:44px;height:44px;flex-shrink:0;display:grid;place-items:center;border-radius:50%;background:#f1f6ffcc;color:#5e7579;font-size:28px;line-height:1;pointer-events:auto}
.gear:hover{background:#fff9e9}
.shared-touch{position:absolute;inset:0;z-index:2;cursor:pointer;touch-action:none}
.shared-touch:focus-visible{outline:2px solid #608ca6;outline-offset:-3px}
#toast{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);width:max-content;max-width:90%;opacity:0;transition:opacity .2s;background:#fffef1f5;border-radius:16px;padding:10px 14px;font-size:12px;color:#88634d;pointer-events:none;z-index:3}
#toast.show{opacity:1}
.home-screen{position:fixed;inset:0;z-index:20;display:flex;justify-content:center;background:#91b8ba;overflow:hidden}
.home-card{position:relative;width:100%;max-width:480px;height:100dvh;overflow:hidden;box-shadow:0 0 70px #426b7220;color:#514630}
#home-scene{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.home-top{position:absolute;top:max(16px,env(safe-area-inset-top));right:18px}
.home-mode{position:absolute;top:10%;left:50%;transform:translateX(-50%);display:flex;gap:3px;padding:3px;background:#eef3ffb3;border-radius:22px;white-space:nowrap}
.home-mode button{min-height:36px;padding:7px 17px;border-radius:18px;background:transparent;font-size:12px;color:#6b7c99}
.home-mode button[aria-pressed='true']{background:#fff8df;color:#8e6a43;box-shadow:0 1px 3px #7c89a522}
.home-heading{position:absolute;top:21%;left:0;width:100%;text-align:center;transform:rotate(-4deg)}
.home-heading h2{font-size:clamp(34px,10vw,51px);line-height:1.17;font-weight:900;color:#ffe697;-webkit-text-stroke:1.4px #6b4b32;text-shadow:0 4px 0 #9c7041,2px 6px 0 #6b4b32;letter-spacing:2px;margin:0}
.home-heading h2 span{display:block;font-size:1.25em;color:#ffd16f}
.home-actions{position:absolute;top:73%;left:12%;right:12%;text-align:center}
.home-start{position:relative;width:100%;min-height:82px;padding:11px 30px 12px;border:3px solid #fff0cb;border-radius:26px;background:linear-gradient(#ff9a81,#ed6356 55%,#d75049);box-shadow:0 5px 0 #894a3b,0 7px 0 2px #ffffff48,inset 0 3px 0 #ffc9a3;color:#fff9db;text-shadow:0 2px 0 #a95040}
.home-start:active{transform:translateY(3px);box-shadow:0 2px 0 #894a3b,inset 0 3px 0 #ffc9a3}
.home-start strong{display:block;font-size:27px;letter-spacing:3px;font-weight:900}
.home-start small{display:block;margin-top:5px;font-size:10px;letter-spacing:.5px;color:#fff4de}
.home-start>span{position:absolute;right:13px;top:22px;font-size:26px}
.home-links{display:flex;gap:10px;margin-top:20px}
.home-ranking,.home-levels{flex:1;min-width:0;min-height:44px;padding:10px 8px;border:1px solid #e7d6a8;border-radius:20px;font-size:12px;font-weight:700;background:#f8ebbf;color:#8b714a}
.home-mode button[data-locked='true']{color:#87909f}
.rank-name{display:flex;align-items:center;gap:10px;margin:10px 0 18px;color:#78856c;font-size:12px;text-align:left;white-space:nowrap}.rank-name input{flex:1;width:0;min-width:0;padding:10px;border:1px solid #dce2cd;border-radius:9px;color:#57694e;background:#f6f7eb;touch-action:auto;user-select:text;-webkit-user-select:text}
.rank-list{list-style:none;margin:0;padding:0;text-align:left}.rank-list li{display:grid;grid-template-columns:25px 1fr auto;align-items:center;gap:10px;padding:11px 4px;border-bottom:1px solid #e7eadc;color:#748068}.rank-list li>strong{color:#b28b42;font-size:17px}.rank-list .rank-score{font-size:18px;color:#8c6c39;font-weight:800;font-variant-numeric:tabular-nums}.rank-list small{display:block;font-size:10px;color:#9b9f8a;margin-top:2px}.rank-list .latest{background:#f6efd4;border-radius:9px}.run-total{font-size:40px;font-weight:900;color:#a57b3b;margin:0 0 8px;font-variant-numeric:tabular-nums}
.modal-backdrop{position:fixed;inset:0;z-index:30;background:#43576e38;backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:22px}
.modal{background:#fffdf3;width:360px;max-width:100%;max-height:90dvh;overflow:auto;overscroll-behavior:contain;touch-action:pan-y;border-radius:24px;padding:24px;text-align:center;box-shadow:0 16px 60px #39493122}
.modal h2{font-size:22px;line-height:1.5;margin:0 0 18px;letter-spacing:1px}
.modal p{font-size:12px;line-height:1.9;color:#7f8b76;margin:0 0 14px}
.modal .modal-kicker{font-size:10px;letter-spacing:1px;margin:0 0 6px;color:#9c9c80}
.modal-kicker:empty,#modal-content:empty{display:none}
.primary,.secondary,.menu-retry,.menu-home{display:block;width:100%;min-height:48px;padding:12px 10px;border-radius:15px;font-size:14px;font-weight:700;margin-top:12px}
.primary{background:#839b70;color:#fffdf3;box-shadow:0 3px 0 #6e865e}
.secondary{background:#eff1e4;color:#72816a;border:1px solid #dfe4d2}
.menu-retry{background:#f9e5d9;color:#a96752;border:1px solid #e8cbb8}
.menu-home{background:#e2edf0;color:#5e8698;border:1px solid #c8dce2}
.quiet{min-height:44px;background:transparent;font-size:11px;color:#87947b;padding:12px 9px 6px}
.chapter-tabs{display:flex;gap:8px;justify-content:center;margin:0 0 16px}
.chapter-tabs button{min-height:42px;padding:9px 12px;border-radius:13px;background:#edf0e2;color:#7d8b70;font-size:11px}
.chapter-tabs .selected{background:#dae7cd;color:#586d49}
.level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:4px 0 20px}
.level-choice{min-height:58px;padding:10px 3px;border-radius:13px;background:#e3ecd7;color:#5e794d;border:1px solid #cbdcb9;font-size:12px;font-weight:700}
.level-choice:disabled{cursor:default;background:#f0f0e8;border-color:#e6e7dc;color:#a5aa9b;font-weight:400}
.modal .clear-time-label{margin:8px 0 0}
.clear-time{display:block;margin:4px 0 24px;font-size:38px;font-weight:800;color:#a57b3b;font-variant-numeric:tabular-nums;letter-spacing:1px}
.modal .clear-unlock{color:#8a9a58;margin:0 0 18px}
.help-lines{text-align:left}
.help-lines p{margin:12px 0}
.key-help{display:block;font-size:10px;color:#9a9e8d;line-height:1.7;margin-top:18px}
.failure-screen{position:fixed;inset:0;width:100%;height:100dvh;z-index:50;background:#fff;padding:0;display:block;overflow:hidden}
.failure-screen img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none}
.failure-screen strong{position:absolute;top:max(28px,env(safe-area-inset-top));left:0;width:100%;font-size:23px;letter-spacing:5px;color:#705c37;text-shadow:0 1px 5px #fff,0 0 12px #fff}
.failure-screen span{position:absolute;bottom:max(32px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:#fff8eae8;color:#7c6748;border-radius:23px;padding:11px 22px;font-size:12px;white-space:nowrap;pointer-events:none}
.win-screen{position:fixed;inset:0;z-index:50;background:#fff;overflow:hidden}
.win-screen video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none}
.win-skip,.failure-music-play{position:absolute;top:max(20px,env(safe-area-inset-top));right:20px;min-height:44px;padding:10px 18px;border-radius:24px;background:#efece2e8;color:#756c54;font-size:13px;z-index:2}
.failure-music-play{position:fixed;z-index:51}
.win-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);min-height:52px;padding:14px 26px;border-radius:28px;background:#fff9eaf2;border:1px solid #e1d5bb;color:#86704e;font-size:15px;z-index:2}
@media(max-height:700px){.home-mode{top:9%}.home-heading{top:20%}.home-heading h2{font-size:35px}.home-start{min-height:70px;border-radius:22px}.home-start strong{font-size:23px}.home-links{margin-top:16px}.home-ranking,.home-levels{min-height:40px}.modal{padding:20px}.modal h2{font-size:20px;margin-bottom:14px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}