/* One coordinate system and one component template, measured from lesson 01. */
#standard-ui{position:absolute;inset:0;z-index:5;overflow:hidden;pointer-events:none;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#fff;font-size:16px}
#standard-ui[hidden]{display:none!important}#standard-ui *{box-sizing:border-box;font-family:inherit;box-shadow:none;text-shadow:none}
#standard-ui .master-stage{position:absolute;left:50%;top:50%;width:1600px;height:900px;transform:translate(-50%,-50%) scale(var(--master-x),var(--master-y));transform-origin:center;pointer-events:none}
#standard-ui[data-mode="cover"],#standard-ui[data-mode="intro"],#standard-ui[data-mode="overview"]{background:linear-gradient(115deg,#452780,#7250a3);pointer-events:auto}
#standard-ui[data-mode="intro"] .master-stage{background:linear-gradient(115deg,#452780,#7250a3)}
#standard-ui[data-mode="intro"] .master-stage:before{content:'';position:absolute;inset:100px 0 0;background:#4d3486}
#standard-ui button{cursor:pointer;line-height:normal;transform:none;transition:none;letter-spacing:normal;pointer-events:auto;min-width:0;max-width:none;margin:0;font-weight:800}
#standard-ui button:focus-visible{outline:3px solid #ffdc68;outline-offset:4px}#standard-ui button:disabled{opacity:.45;cursor:default}
#standard-ui .master-header{position:absolute;left:35px;top:35px;display:flex;align-items:center;gap:22px;height:50px}
#standard-ui .master-header h1{margin:0;font-size:38px;font-weight:700;line-height:normal;white-space:nowrap;color:#fff}
#standard-ui .master-badge{background:#ffdf77;color:#5a3788;border-radius:12px;font-size:23px;font-weight:700;padding:10px 17px;line-height:normal}
#standard-ui .master-helps{position:absolute;left:35px;top:110px;display:flex;gap:12px;pointer-events:auto}
#standard-ui[data-mode="intro"] .master-helps{display:none}
#standard-ui .master-help{border:1px solid #dfc2f455;border-radius:12px;background:#4a307e88;color:#edddff;padding:10px 18px;font-size:19px;font-weight:400}
#standard-ui .master-intro{position:absolute;left:160px;top:195px;width:1280px;height:530px;background:#fff9ef;border:2px solid #d8c0e9;border-radius:32px;text-align:center;color:#755189;padding:0;pointer-events:auto;overflow:hidden}
#standard-ui .master-kicker{position:absolute;top:65px;left:100px;width:1076px;height:30px;font-size:23px;line-height:30px;font-weight:400;color:#aa83ba}
#standard-ui .master-intro h2{position:absolute;left:100px;top:111px;width:1076px;height:69px;margin:0;font-size:52px;line-height:69px;font-weight:700;color:#755189}
#standard-ui .master-lead{position:absolute;left:100px;top:205px;width:1076px;height:63px;margin:0;font-size:37px;line-height:62.9px;font-weight:800;color:#a06b8b;overflow:auto}
#standard-ui .master-detail{position:absolute;left:148px;top:291.89px;width:980px;height:70px;margin:0;font-size:27px;line-height:48.6px;font-weight:400;color:#755189;overflow:auto;scrollbar-width:thin}
#standard-ui .master-primary{width:205.75px;height:73px;border:2px solid #ffedb0;border-radius:20px;background:linear-gradient(#ffe88a,#ffd34e);color:#563779;padding:16px 32px;font-size:26px;white-space:nowrap}
#standard-ui .master-intro>.master-primary{position:absolute;left:535.125px;top:375.5px}
#standard-ui .master-cover-copy{position:absolute;left:90px;top:205px;width:650px;color:#fff6e6}
#standard-ui .master-cover-copy>span{font-size:42px;font-weight:800;letter-spacing:8px}
#standard-ui .master-cover-copy h1{font-size:92px;line-height:1.25;letter-spacing:2px;color:#ffe782;margin:18px 0 42px;font-weight:700}
#standard-ui .master-cover-copy h1 em{font-style:normal;color:#ffd24e;font-size:108px}
#standard-ui .master-cover-actions{display:flex;gap:24px}
#standard-ui .master-cover-primary{background:linear-gradient(#ffe88a,#ffd34e);color:#563779;border:2px solid #ffedb0;border-radius:20px;padding:20px 36px;font-size:30px;white-space:nowrap}
#standard-ui .master-secondary{background:#ffffff12;color:#fff3e8;border:2px solid #d8b8e580;border-radius:18px;padding:15px 24px;font-size:24px;font-weight:400;white-space:nowrap}
#standard-ui .master-cover-scene{position:absolute;left:780px;top:130px;width:800px;height:750px}
#standard-ui .master-plinth{position:absolute;left:0;top:480px;width:850px;height:250px;border-radius:50%;background:#a080bf;border:8px solid #c8a6dc;transform:rotate(-8deg);box-shadow:0 22px 0 #3f2869}
#standard-ui .master-moon{position:absolute;right:130px;top:30px;width:320px;height:320px;border-radius:50%;background:#ffe1a1;opacity:.9}
#standard-ui .master-model{position:absolute;width:630px;height:480px;object-fit:contain;right:-30px;top:60px}#standard-ui .master-model svg{width:100%;height:100%}
#standard-ui .master-mascot{position:absolute;width:430px;height:430px;object-fit:contain;left:0;top:315px}
#standard-ui .master-popup{position:absolute;left:35px;top:165px;width:470px;height:600px;padding:25px 28px;border:2px solid #c9a9e5;border-radius:20px;background:#fff8ef;color:#775387;font-size:21px;line-height:1.55;pointer-events:auto}
#standard-ui .master-popup h2{font-size:27px;margin:0 0 12px;font-weight:700;line-height:normal}
#standard-ui .master-popup-body{height:400px;overflow:auto;scrollbar-width:thin}#standard-ui .master-popup-body p{margin:0 0 13px}
#standard-ui .master-popup-actions{display:flex;gap:14px;margin-top:14px;flex-wrap:wrap}
#standard-ui[data-mode="overview"] .master-popup{left:300px;top:120px;width:1000px;height:660px;padding:36px;border:3px solid #ddc3e9;border-radius:28px}
#standard-ui[data-mode="overview"] .master-popup h2{font-size:36px;margin-bottom:20px}#standard-ui[data-mode="overview"] .master-popup-body{font-size:19px;height:430px;line-height:1.6}
#standard-ui .master-close{position:absolute;right:18px;top:14px;width:40px;height:40px;background:none;border:0;font-size:30px;color:#75518a;padding:0}

#standard-ui[data-mode="finish"]{background:linear-gradient(115deg,#452780,#7250a3);pointer-events:auto}
#standard-ui .master-finish{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13.5px;padding:45px 80px;color:#fff6e6;text-align:center;pointer-events:auto}
#standard-ui .master-finish h1{font-size:58.5px;line-height:1.25;margin:0;color:#ffdf77;font-weight:800}
#standard-ui .master-stars{font-size:43.2px;letter-spacing:19.2px;line-height:1.3;color:#ffdc68}
#standard-ui .master-finish img{width:306px;height:306px;object-fit:contain}
#standard-ui .master-finish p{font-size:25.2px;line-height:1.5;margin:0;color:#eee2ff}
#standard-ui .master-finish .master-finish-score{font-size:20.7px;line-height:1.4;color:#ddc9f2}
#standard-ui .master-finish>div:last-child{display:flex;gap:28.8px;margin-top:10.8px}
#standard-ui .master-finish button{width:240px;height:73px;font-size:27px;padding:16.2px 48px;border-radius:21.6px}
#standard-ui .master-finish .master-secondary{background:#fff8ed;color:#563779;border-color:#ddc3e9;font-weight:800}

#standard-ui .master-popup-actions{position:absolute;left:36px;bottom:36px;margin:0}

.frame-host{isolation:isolate}

#standard-ui[data-mode="dialog"]{background:linear-gradient(115deg,#452780,#7250a3);pointer-events:auto}
#standard-ui .master-intro-actions{position:absolute;left:148px;top:375.5px;width:980px;display:flex;justify-content:center;gap:24px}
#standard-ui .master-intro-actions>.master-primary{position:static;flex:none}
#standard-ui[data-mode="dialog"] .master-helps{display:none}

/* Knowledge and rules panels fit their text; long content scrolls within the stage. */
#standard-ui[data-mode="help"] .master-popup{height:auto;max-height:711px;display:flex;flex-direction:column}
#standard-ui[data-mode="help"] .master-popup h2{flex:none;padding-right:28px}
#standard-ui[data-mode="help"] .master-popup-body{height:auto;min-height:0;overflow:auto}
#standard-ui[data-mode="help"] .master-popup-body p:last-child{margin-bottom:0}

/* Content expands within the card; text never needs its own scrollbar. */
#standard-ui .master-intro{top:170px;height:650px;display:flex;flex-direction:column;align-items:center;padding:42px 90px 32px;gap:20px}
#standard-ui .master-intro .master-kicker,#standard-ui .master-intro h2,#standard-ui .master-intro .master-lead,#standard-ui .master-intro .master-detail,#standard-ui .master-intro .master-intro-actions{position:static;width:100%;height:auto;margin:0;overflow:visible;flex-shrink:0}
#standard-ui .master-intro h2{font-size:46px;line-height:1.3}
#standard-ui .master-intro .master-lead{font-size:30px;line-height:1.5}
#standard-ui .master-intro .master-detail{font-size:24px;line-height:1.65;text-align:left}
#standard-ui .master-intro .master-intro-actions{margin-top:auto;padding-top:20px}
#standard-ui .master-popup-body,#standard-ui[data-mode="help"] .master-popup-body{overflow:visible;height:auto;max-height:none;font-size:22px;line-height:1.5}
#standard-ui .master-popup{height:auto;min-height:440px}