:root{--ink:#24483c;--muted:#718277;--cream:#fffdf0;--yellow:#f7d44b;--line:#38584522}*{box-sizing:border-box}body{margin:0;overflow:hidden;color:var(--ink);font-family:Arial,'Microsoft YaHei',sans-serif;background:#dfe9db}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;border:0}button:focus-visible,a:focus-visible{outline:3px solid #dd9c2e;outline-offset:4px}button:disabled{opacity:.6;cursor:wait}[hidden]{display:none!important}#world{position:fixed;inset:0}canvas{display:block;width:100%;height:100%;touch-action:none}header{position:fixed;z-index:5;top:32px;left:40px;right:40px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.brand{display:flex;gap:13px;align-items:center;color:var(--ink);text-decoration:none;pointer-events:auto;font-weight:800;font-size:17px;letter-spacing:2.2px}.brand-icon{width:42px;height:42px;border:1.5px solid var(--ink);border-radius:50%;font-size:34px;display:grid;place-items:center;transform:rotate(-18deg)}.brand small{display:block;font-size:9px;letter-spacing:5px;margin-top:6px;font-weight:500}.header-right{display:flex;align-items:center;gap:24px;font-size:11px}.river-live{display:flex;align-items:center;gap:7px}.river-live i,.choose-bottom i{width:5px;height:5px;border-radius:50%;background:#5b9b78;display:inline-block}.header-right button{background:#fffdf0b5;backdrop-filter:blur(12px);color:var(--ink);padding:12px 17px;border-radius:24px;pointer-events:auto;border:1px solid #fff9}#intro{position:fixed;left:5.2vw;top:19%;pointer-events:none}.eyebrow{font-size:9px;letter-spacing:2.4px;margin-bottom:23px}h1{font-family:'Songti SC',SimSun,serif;font-size:clamp(52px,6.3vw,94px);font-weight:700;line-height:1.17;letter-spacing:4px;margin:0 0 22px}h1 span{color:#cc9c24}.intro-text{font-size:13px;line-height:2.1}.intro-note{margin-top:28px;font-size:11px;line-height:1.8}.intro-note small{color:#61796b;font-size:10px}#course-note{position:fixed;right:40px;top:125px;max-width:245px;text-align:right;pointer-events:none}#course-note>span{font-size:9px;letter-spacing:1.7px;display:block}#course-note strong{font-family:SimSun,serif;display:block;margin-top:9px;font-size:22px;font-weight:500}#course-note p{font-size:10px;margin-top:10px;color:#607866}#chooser{position:fixed;z-index:4;width:min(610px,calc(100vw - 48px));left:50%;bottom:65px;transform:translateX(-50%);background:#fffdf1eb;backdrop-filter:blur(20px);border:1px solid #fff;border-radius:23px;padding:22px 26px 19px;box-shadow:0 14px 60px #24483c16}.choose-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.choose-heading small{font-size:8px;letter-spacing:1.7px;color:var(--muted)}h2{font-family:SimSun,serif}.choose-heading h2{font-size:19px;margin:8px 0 0;font-weight:600}.choose-heading>span{font-size:11px;padding:9px 11px;border:1px solid #d9ddc9;border-radius:8px;white-space:nowrap}#duck-options{display:grid;grid-template-columns:repeat(9,1fr);gap:6px;margin:18px 0}.duck-option{background:#e9edda70;color:#657763;border:1px solid transparent;border-radius:10px;padding:5px 2px;font-size:9px;transition:transform .2s,background .2s}.duck-option svg{width:31px;height:23px;display:block;margin:auto}.duck-option.active{background:#f9db65;color:#314b35;border-color:#cda62d;transform:translateY(-3px);box-shadow:0 4px 8px #99761819}.duck-option:hover{background:#f2e4a6}.choose-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px}.choose-bottom p{font-size:10px;color:#6b7e6c;display:flex;align-items:center;gap:6px}.choose-bottom button,#again{background:var(--ink);color:#fffce9;padding:16px 22px;border-radius:12px;font-size:12px;font-weight:600}.choose-bottom button span,#again span{margin-left:25px;color:var(--yellow)}footer{position:fixed;bottom:23px;left:40px;right:40px;display:flex;justify-content:space-between;pointer-events:none;font-size:9px;color:#496653}footer>span:first-child{letter-spacing:3px;font-weight:bold}footer b{color:#b48d23;margin-left:6px}#race-hud{position:fixed;top:118px;left:40px;pointer-events:none}.your-duck{border-radius:18px;padding:20px 23px;width:218px;background:#fffdf0df;backdrop-filter:blur(15px);border:1px solid #fff9}.your-duck small{font-size:8px;letter-spacing:1.5px;color:#7d8b72}.your-duck strong{font-size:15px;display:block;margin:9px 0 12px}.your-duck p{margin:0;display:flex;align-items:baseline;gap:8px}.your-duck b{font-family:Georgia,serif;font-size:49px;font-weight:400}.your-duck p>span{font-size:10px}.your-duck em{font-size:9px;font-style:normal;margin-left:auto;color:#819472}.race-progress{position:fixed;bottom:83px;left:50%;transform:translateX(-50%);width:min(420px,calc(100vw - 50px));padding:15px 20px;background:#fffdf0e5;border-radius:16px;backdrop-filter:blur(16px)}.race-progress>div:first-child,.race-progress>p{display:flex;justify-content:space-between;font-size:10px;margin:0}.race-progress time{font-variant-numeric:tabular-nums}.progress-track{height:4px;background:#cbd7bd;border-radius:4px;margin:13px 0 9px;position:relative}.progress-track i{display:block;background:#c9a528;height:100%;width:0;border-radius:4px}.progress-track b{position:absolute;top:-5px;left:0;color:#e4b326;font-size:13px}.race-progress p{color:#829177;font-size:8px!important}#leaderboard{position:fixed;right:40px;top:240px;background:#fffdf0d9;backdrop-filter:blur(12px);border:1px solid #fff9;border-radius:16px;padding:18px 20px;width:190px}#leaderboard>small{font-size:8px;letter-spacing:1px;color:#819275}#leaderboard h2{font-size:14px;font-weight:500;margin:8px 0 13px}#leaders{list-style:none;padding:0;margin:0}#leaders li{display:flex;align-items:center;gap:8px;font-size:10px;padding:8px 0;border-top:1px solid var(--line)}#leaders li b{font-family:Georgia,serif;font-size:15px;font-weight:400;width:16px}#leaders li em{margin-left:auto;font-size:8px;font-style:normal;background:#f1d878;border-radius:4px;padding:3px}#leaders li.mine{color:#aa7e13}#follow-hint{position:fixed;bottom:34px;left:50%;transform:translateX(-50%);display:flex;align-items:center;white-space:nowrap;gap:9px;font-size:10px}#camera-mode{background:#fffdf0c9;color:var(--ink);padding:8px 12px;border-radius:20px;font-size:9px;margin-left:8px}#countdown{position:fixed;top:37%;left:50%;transform:translate(-50%,-50%);font-family:Georgia,serif;font-size:100px;color:#fffdf0;text-shadow:0 5px 30px #24483c50;pointer-events:none}#toast{position:fixed;top:105px;left:50%;transform:translate(-50%,-10px);background:#24483cde;color:#fff9dc;padding:11px 22px;border-radius:30px;font-size:11px;opacity:0;transition:opacity .3s,transform .3s;pointer-events:none;white-space:nowrap}#toast.show{opacity:1;transform:translate(-50%,0)}#results{border:1px solid #fff;background:#fffdf0f5;backdrop-filter:blur(30px);border-radius:28px;width:min(430px,calc(100vw - 32px));padding:30px 35px;text-align:center;color:var(--ink);box-shadow:0 20px 100px #24483c22}#results::backdrop{background:#193c3b28;backdrop-filter:blur(4px)}#results>small{font-size:8px;letter-spacing:2px;color:#7b8b73}.result-duck{font-size:56px;color:#d3ad32;margin-top:15px}#results h2{font-size:23px;line-height:1.6;margin:8px 0 12px}#result-message{font-size:12px;line-height:1.9;color:#7a8772}.result-stats{display:flex;justify-content:center;gap:55px;margin:25px 0}.result-stats small{display:block;font-size:10px;color:#8a947e}.result-stats strong{display:block;font:30px Georgia,serif;margin-top:8px}#podium{list-style:none;padding:0;margin:20px 0;text-align:left}#podium li{font-size:11px;border-top:1px solid var(--line);padding:10px;display:flex;justify-content:space-between}#again{width:100%;padding:17px}#loading{position:fixed;inset:0;z-index:20;background:#eff2de;display:flex;align-items:center;justify-content:center;flex-direction:column;transition:opacity .6s}#loading>span{font-size:58px;color:#cda73b;animation:bob 1.5s ease-in-out infinite}#loading p{font-size:14px}#loading small{font-size:10px;color:#8a967c}.racing #intro,.racing #chooser{display:none}.racing .river-live{display:none}.racing #course-note{top:125px}@keyframes bob{50%{transform:translateY(-10px) rotate(-12deg)}}
@media(max-width:750px){header{top:20px;left:20px;right:20px}.brand{font-size:12px;gap:8px;letter-spacing:1.6px}.brand small{font-size:8px;letter-spacing:3px}.brand-icon{width:32px;height:32px;font-size:27px}.header-right{gap:8px}.river-live{display:none}.header-right button{font-size:9px;padding:9px 12px}#intro{top:14%;left:25px}.eyebrow{font-size:7px;letter-spacing:1px;margin-bottom:12px}h1{font-size:53px;margin-bottom:12px}.intro-text{font-size:10px}.intro-note{display:none}#course-note{right:22px;top:25%;max-width:140px}#course-note>span{font-size:7px;letter-spacing:.6px}#course-note strong{font-size:17px}#course-note p{font-size:9px;line-height:1.7}#chooser{bottom:50px;padding:17px 16px 14px;width:calc(100vw - 28px);border-radius:18px}.choose-heading small{font-size:6px;letter-spacing:1px}.choose-heading h2{font-size:16px}.choose-heading>span{font-size:9px;padding:7px}#duck-options{gap:4px;margin:15px 0}.duck-option{padding:5px 0}.duck-option svg{width:26px;height:20px}.choose-bottom p{font-size:8px;max-width:100px;line-height:1.7}.choose-bottom button{padding:14px 16px;font-size:10px}.choose-bottom button span{margin-left:12px}footer{bottom:17px;left:20px;right:20px;font-size:7px}footer>span:first-child{letter-spacing:1.5px}#race-hud{top:87px;left:16px}.your-duck{padding:13px 15px;width:155px;border-radius:13px}.your-duck small{font-size:6px;letter-spacing:1px}.your-duck strong{font-size:11px;margin:7px 0}.your-duck b{font-size:35px}.your-duck em{font-size:7px}.your-duck p>span{font-size:8px}.racing #course-note{right:16px;top:91px;max-width:135px}.racing #course-note strong{font-size:15px}.racing #course-note p{font-size:8px}#leaderboard{top:210px;right:16px;width:130px;padding:12px;opacity:.94}#leaderboard>small{font-size:6px;letter-spacing:.5px}#leaderboard h2{font-size:11px}#leaders li{font-size:8px;padding:7px 0;gap:5px}#leaders li b{font-size:13px}#leaders li em{font-size:6px;padding:2px}.race-progress{bottom:90px;padding:13px 16px}#follow-hint{bottom:50px;font-size:8px;gap:5px}#camera-mode{font-size:8px;padding:7px 9px}#toast{top:76px;font-size:9px;padding:9px 14px}#results{padding:25px}.result-stats{margin:20px 0}#results h2{font-size:20px}}
body:before{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,#f2f4e5b8,transparent 44%)}body.racing:before{display:none}#intro,#course-note,footer{z-index:2}#race-hud,#leaderboard,#follow-hint{z-index:3}#toast,#countdown{z-index:6}
@media(max-width:750px){#leaders li:nth-child(n+4){display:none}#leaderboard{top:205px}#course-note{text-shadow:0 1px 8px #fffdf0,0 0 18px #fffdf0}#race-hud .your-duck{background:#fffdf0ed}}
.duck-swatch{display:inline-block;flex:none;width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 34% 32%,var(--duck-ink) 0 18%,transparent 20%),var(--duck-base);border:1px solid #24483c25;vertical-align:middle;margin-right:6px}.duck-option.active{background:color-mix(in srgb,var(--duck-color) 34%,#fffbe7);border-color:color-mix(in srgb,var(--duck-color) 75%,#56705c);box-shadow:0 4px 8px #24483c19}#selected-name{display:flex;align-items:center;gap:7px}#selected-name .duck-swatch{width:17px;height:17px;margin:0}#selected-name small{display:block;font-size:8px;letter-spacing:.2px;margin-top:5px;color:#7a856d}#racer-name .duck-swatch{margin-right:8px}#leaders .duck-swatch{width:9px;height:9px;margin:0}#leaders li{gap:6px}@media(max-width:750px){#selected-name{gap:5px}#selected-name .duck-swatch{width:13px;height:13px}#selected-name small{font-size:7px}#leaders .duck-swatch{width:7px;height:7px}#leaders li{gap:4px}}