:root{color-scheme:light;--navy:#17304f;--ink:#183047;--muted:#5d7183;--cream:#fff9ec;--red:#eb5b4e;--red-dark:#b93837;--teal:#53b8af;--gold:#ffd66d;--line:#dce8ed;font-family:Nunito,"Microsoft YaHei UI","Microsoft YaHei",sans-serif;background:#e5f5f4;color:var(--ink)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 8% 7%,#fff4c4 0,transparent 28%),radial-gradient(circle at 90% 70%,#c6e8fa 0,transparent 32%),#e5f5f4}button,a{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:4px solid #177da7;outline-offset:3px}a{color:inherit;text-decoration:none}.app{max-width:1600px;min-height:100dvh;margin:auto;padding:0 22px 18px}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;gap:18px}.home-link{min-width:124px;font-size:17px;font-weight:900;color:#355774}.home-link:first-letter{font-size:31px}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:900;line-height:1;letter-spacing:.02em}.brand-badge{display:grid;place-items:center;width:51px;height:51px;border:3px solid #c6443e;border-radius:16px;background:var(--red);font-size:26px;box-shadow:0 5px 0 #ba4a42}.brand-light{color:var(--red)}.brand small{display:block;margin-top:6px;font-size:10px;letter-spacing:.24em;color:#72899b}.small-button{min-width:116px;height:45px;border:2px solid #d0e0e5;border-radius:15px;background:#fff;font-weight:900;color:#3a6173;box-shadow:0 4px 0 #c9dce0}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(255px,290px);gap:22px}.game-column{min-width:0}.hud{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 14px}.hud-card{min-height:76px;padding:11px 18px;border:2px solid #dbe8ea;border-radius:20px;background:#fffdf5;box-shadow:0 5px 0 #c9dfe2}.hud-card span{display:block;color:var(--muted);font-size:13px;font-weight:800}.hud-card strong{font-size:28px;font-weight:900;line-height:1.25;color:#23476a}.hud-card.best strong{color:var(--red)}.stage-frame{position:relative;overflow:hidden;border:5px solid #fff;border-radius:31px;background:linear-gradient(155deg,#0f2b4a,#214b6b 58%,#286e81);box-shadow:0 14px 0 #c7dce0,0 22px 30px #23415d2c}.stage-frame:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 50% 45%,#75dcd337,transparent 57%),linear-gradient(#ffffff09 1px,transparent 1px) 0 0/100% 38px;z-index:0}.stage-head,.stage-foot{position:absolute;left:20px;right:20px;z-index:3;display:flex;justify-content:space-between;gap:10px;color:#e8f9ff;font-size:13px;font-weight:900;pointer-events:none}.stage-head{top:17px}.stage-foot{bottom:15px;color:#bde5eb}.live-dot{display:inline-block;width:8px;height:8px;margin-right:6px;border-radius:50%;background:#66e3ab;box-shadow:0 0 11px #66e3ab}.stage{position:relative;height:clamp(440px,calc(100dvh - 240px),740px);min-height:440px;touch-action:none}.stage canvas{display:block;width:100%;height:100%}.stage-empty{position:absolute;inset:20% 10%;z-index:8;display:grid;place-items:center;padding:25px;border-radius:20px;background:#fff;color:#a43735;font-weight:900;text-align:center}.stage-empty[hidden]{display:none}.overlay{position:absolute;inset:0;z-index:5;display:grid;place-items:center;padding:25px;background:#0d2c50ad;backdrop-filter:blur(5px)}.overlay[hidden]{display:none}.overlay-card{width:min(520px,100%);padding:clamp(26px,5vw,44px);border:3px solid #fff;border-radius:31px;background:linear-gradient(135deg,#fffdf0,#e2f5ee);box-shadow:0 13px 0 #9ac3ca,0 24px 35px #0d23344c;text-align:center}.overlay-kicker{display:inline-block;padding:7px 14px;border-radius:99px;background:#fff1bd;color:#966337;font-size:13px;font-weight:900;letter-spacing:.1em}.overlay h1{margin:17px 0 12px;font-size:clamp(34px,5vw,53px);line-height:1.16;letter-spacing:-.03em}.overlay h1 em{font-style:normal;color:var(--red)}.overlay p{margin:0 auto 23px;max-width:410px;color:#5b6d70;font-size:17px;line-height:1.7}.hero-button{min-width:215px;height:61px;padding:0 25px;border:0;border-radius:19px;background:var(--red);color:#fff;font-size:22px;font-weight:900;box-shadow:0 7px 0 var(--red-dark);transition:transform .18s,box-shadow .18s}.hero-button:hover{transform:translateY(-3px);box-shadow:0 10px 0 var(--red-dark)}.hero-button:active{transform:translateY(5px);box-shadow:0 2px 0 var(--red-dark)}.overlay-tip{margin-top:16px;color:#7a898d;font-size:13px;font-weight:800}.side-panel{display:grid;align-content:start;gap:14px}.mascot-card{position:relative;min-height:270px;overflow:hidden;border:3px solid #fff;border-radius:27px;background:radial-gradient(circle at 85% 80%,#ffe4a4,#fff1d4 42%,#f6faf1 75%);box-shadow:0 7px 0 #d0ddcf}.mascot-card:before{content:"✦";position:absolute;right:20px;top:94px;color:#f1c256;font-size:30px}.mascot-card img{position:absolute;right:3%;bottom:-35px;width:73%;max-height:220px;object-fit:contain;object-position:bottom;filter:drop-shadow(0 10px 8px #6b423a28);transform-origin:bottom;transition:transform .25s}.mascot-card.cheer img{animation:cheer .65s ease-in-out 2}.speech{position:relative;z-index:1;width:83%;margin:15px auto 0;padding:12px 14px;border:2px solid #f6d7ae;border-radius:16px 16px 16px 4px;background:#fffefa;color:#a44b39;font-size:15px;font-weight:900;line-height:1.45;box-shadow:0 3px 0 #f3dfc2}.mission-card,.help-card{padding:18px;border:2px solid #dce7e6;border-radius:23px;background:#fffdf7;box-shadow:0 5px 0 #cfdfdd}.card-title{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:18px;font-weight:900}.tiny-badge{padding:3px 8px;border-radius:8px;background:#e2f3ef;color:#40887f;font-size:10px;letter-spacing:.12em}.next-piece{position:relative;display:grid;place-items:center;height:102px;margin:12px 0;border-radius:17px;background:linear-gradient(135deg,#e9f7fa,#f5f9e9);overflow:hidden}.next-piece .mini-cube{position:absolute;width:22px;height:22px;border:2px solid #ffffffaa;border-radius:5px;box-shadow:2px 3px 0 #31435b30}.mission-card p{margin:0;color:#5f7580;font-size:13px}.mission-card p strong{color:var(--red)}.pause-button{padding:5px 10px;border:0;border-radius:10px;background:#e6f1ef;color:#33716d;font-size:13px;font-weight:900}.key-row{display:flex;align-items:center;gap:5px;margin-top:12px;font-size:13px}.key-row span{margin-right:auto;color:#5f7180;font-weight:800}.key-row kbd{min-width:29px;padding:4px 6px;border:1px solid #cbdadd;border-radius:7px;background:#f6faf9;box-shadow:0 2px 0 #cbdadd;text-align:center;font-family:inherit;font-weight:900}.help-note{margin:15px 0 0;color:#718894;font-size:12px}.rescue-badge{padding:12px 14px;border-radius:15px;background:#fff4cf;color:#9a663b;font-size:14px;font-weight:900;text-align:center}.rescue-badge.active{animation:badge-pop .7s;background:#ffe0ad;color:#a43f32}.touch-controls{display:flex;justify-content:center;align-items:center;gap:13px;flex-wrap:wrap;margin-top:16px}.touch-group{display:flex;gap:6px}.touch-group button{min-width:54px;min-height:53px;padding:8px 10px;border:2px solid #c8d9dd;border-radius:14px;background:#fffef8;color:#31536e;font-size:19px;font-weight:900;box-shadow:0 4px 0 #bdd3d9;touch-action:manipulation}.touch-group button:active{transform:translateY(3px);box-shadow:0 1px 0 #bdd3d9}.rotate-group button{font-size:15px}.touch-group .drop-button{padding:8px 18px;border-color:#cb4842;background:var(--red);color:#fff;box-shadow:0 4px 0 #b23e3a;font-size:14px}.touch-group .drop-button:active{box-shadow:0 1px 0 #b23e3a}@keyframes cheer{50%{transform:translateY(-17px) rotate(-7deg)}}@keyframes badge-pop{50%{transform:scale(1.08)}}@media(max-width:1050px){.game-layout{grid-template-columns:minmax(0,1fr) 235px;gap:14px}.app{padding:0 12px 16px}.brand{font-size:20px}.mascot-card{min-height:235px}.mascot-card img{max-height:185px}}@media(max-width:780px){.topbar{height:67px}.home-link{min-width:45px;font-size:24px}.home-link span{display:none}.brand{font-size:18px}.brand-badge{width:42px;height:42px;font-size:21px}.small-button{min-width:48px;width:48px}.small-button span{display:none}.game-layout{grid-template-columns:1fr}.side-panel{grid-template-columns:1fr 1fr;gap:10px}.mascot-card{grid-row:span 2;min-height:220px}.help-card{grid-column:1/-1}.stage{height:55dvh;min-height:390px}.hud{gap:6px}.hud-card{min-height:64px;padding:8px 9px;border-radius:13px}.hud-card span{font-size:10px}.hud-card strong{font-size:23px}}@media(max-width:520px){.app{padding:0 8px 14px}.topbar{gap:6px}.brand{gap:5px;font-size:15px}.brand small{font-size:8px}.brand-badge{width:36px;height:36px;border-radius:11px}.home-link{min-width:28px}.small-button{width:40px;min-width:40px;height:40px}.stage-frame{border-width:3px;border-radius:21px}.stage{height:52dvh;min-height:350px}.stage-head,.stage-foot{left:10px;right:10px;font-size:10px}.stage-head{top:9px}.stage-foot{bottom:8px}.hud-card.best{display:none}.hud{grid-template-columns:repeat(3,1fr)}.side-panel{grid-template-columns:1fr 1fr}.mascot-card{min-height:190px}.mascot-card img{max-height:155px;bottom:-25px}.speech{font-size:11px;padding:8px}.mission-card{padding:10px}.mission-card p{font-size:11px}.card-title{font-size:14px}.next-piece{height:68px}.help-card{display:none}.rescue-badge{grid-column:1/-1}.touch-controls{gap:6px;margin-top:10px}.touch-group{gap:4px}.touch-group button{min-width:43px;min-height:43px;padding:5px 6px;font-size:16px}.rotate-group button{font-size:12px}.touch-group .drop-button{font-size:12px}.overlay{padding:12px}.overlay-card{padding:20px}.overlay h1{font-size:34px}.overlay p{font-size:14px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}