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#1724520e}.exp-primary{color:#193a3b;background:#bcf4d5;border-color:#0000}.exp-primary:hover:not(:disabled){background:#a9edc8}.exp-text-link{color:#e2e8fa;align-items:center;gap:7px;min-height:44px;font-size:12px;text-decoration:none;display:inline-flex}.exp-hero-facts{color:#bfcbe3;flex-wrap:wrap;gap:19px;margin-top:28px;font-size:11px;display:flex}.exp-hero-facts strong{color:#fff;margin-right:3px;font-size:16px}.exp-hero-facts>span+span{border-left:1px solid #b1c1f033;padding-left:17px}.exp-hero-art{align-self:stretch;place-items:center;min-width:0;display:grid;position:relative}.exp-art{width:114%;max-width:610px;margin-left:-20px;overflow:visible}.exp-art-note{color:#dce6ff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#17264b80;border:1px solid #a6baff26;border-radius:30px;align-items:center;gap:8px;padding:9px 13px;font-size:10px;display:inline-flex;position:absolute;bottom:27px}.exp-art-note svg{color:#ffda92}.exp-art-float{transform-origin:50%;animation:7s ease-in-out infinite expFloat}.exp-art-satellite{animation:6s ease-in-out infinite alternate expFloat}.exp-art-satellite.is-second{animation-delay:-3s}.exp-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;padding:28px 0 20px;scroll-margin-top:105px;display:flex}.exp-tabs{flex-wrap:wrap;gap:5px;display:flex}.exp-tabs button{color:var(--muted);background:0 0;border:0;border-radius:12px;align-items:center;gap:8px;min-height:45px;padding:12px 15px;font-size:13px;font-weight:650;display:inline-flex}.exp-tabs button[aria-pressed=true]{color:var(--ink);background:var(--surface);box-shadow:0 2px 8px #17254e0a}.exp-wallet{background:var(--surface);border:1px solid var(--line);border-radius:30px;flex-shrink:0;align-items:center;gap:8px;padding:5px 14px 5px 6px;display:flex}.exp-wallet strong{font-size:19px;line-height:1}.exp-wallet>span:not(.gb-coin){color:var(--muted);font-size:12px}.exp-wallet>svg{color:#b47a23}.gb-coin{letter-spacing:-.07em;background:linear-gradient(135deg,#ffe9a8,#f7bd54);border:2px solid #edb85c;border-radius:50%;flex:none;justify-content:center;align-items:center;font-style:normal;font-weight:900;display:inline-flex;box-shadow:inset 0 0 0 2px #fff0b8,0 2px #c9903630;color:#895115!important}.exp-world-picker{padding:28px 0 21px}.exp-label{color:var(--muted)}.math-expedition h2{letter-spacing:-.035em;font-size:clamp(21px,2.1vw,27px);line-height:1.3}.exp-world-picker h2{margin-top:6px}.exp-world-picker p,.exp-section-title p{color:var(--muted);margin-top:9px;font-size:13px;line-height:1.8}.exp-grades{grid-template-columns:repeat(11,1fr);gap:8px;margin-top:22px;display:grid}.exp-grades button{background:var(--surface);border:1px solid var(--line);min-height:51px;color:var(--body);border-radius:12px;font-size:18px;position:relative}.exp-grades button[aria-pressed=true]{background:var(--exp-navy);color:#fff;border-color:var(--exp-navy);box-shadow:0 5px 12px #26336622}.exp-grades button>span{background:#af8a40;border-radius:50%;width:4px;height:4px;position:absolute;bottom:5px;left:calc(50% - 2px)}.exp-grades button[aria-pressed=true]>span{background:#ffcf76}.exp-grade-note{font-size:11px!important}.exp-muted{color:var(--muted);font-size:12px;line-height:1.8}.exp-world{background:linear-gradient(140deg,#e9eaf8,#edf4f4);border:1px solid #dce1ed;border-radius:24px;padding:25px;position:relative;overflow:hidden}.exp-world[data-tone=mint]{background:linear-gradient(140deg,#e7f3ec,#edf2f7)}.exp-world[data-tone=gold]{background:linear-gradient(140deg,#f6efdb,#f1f3e8)}.exp-world[data-tone=coral]{background:linear-gradient(140deg,#f7e9e3,#eef0f6)}.exp-world[data-tone=blue]{background:linear-gradient(140deg,#e7f0fb,#e8f2f2)}.exp-world-heading{justify-content:space-between;align-items:center;margin-bottom:25px;display:flex;position:relative}.exp-world-heading h2{color:#293650;margin-top:6px}.exp-world-heading p{color:#596b80;margin-top:7px;font-size:13px;line-height:1.8}.exp-world-heading .exp-label{color:#576581}.exp-world-symbol{color:#8073b4;background:#ffffff6b;border-radius:22px;flex-shrink:0;place-items:center;width:75px;height:75px;font-size:58px;display:grid;transform:rotate(8deg)}.exp-missions{grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;display:grid;position:relative}.exp-mission{background:var(--surface);border:1px solid var(--line);border-radius:18px;flex-direction:column;padding:21px;display:flex;box-shadow:0 5px 15px #24334405}.exp-mission-top{justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px;display:flex}.exp-node{color:#6655ad;background:#eeebfc;border-radius:15px;place-items:center;width:45px;height:45px;font-size:18px;font-weight:800;display:grid;box-shadow:inset 0 -3px #796cc71a}.exp-mission.is-complete .exp-node{color:#286647;background:#d8f4e6}.exp-difficulty{color:var(--muted);flex-direction:column;align-items:flex-end;font-size:10px;line-height:1.65;display:flex}.exp-difficulty>span{letter-spacing:2px;color:#ac8b47;font-size:14px}.exp-mission-skill{color:var(--muted);margin-bottom:6px;font-size:10px;font-weight:650}.exp-mission h3{letter-spacing:-.02em;font-size:18px;line-height:1.45}.exp-mission>p{color:var(--muted);flex:1;margin-top:8px;font-size:12px;line-height:1.85}.exp-mission-meta{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;margin-top:18px;font-size:11px;display:flex}.exp-mission-meta>span{align-items:center;gap:5px;display:inline-flex}.exp-mini-progress{gap:4px;margin:12px 0 16px;display:flex}.exp-mini-progress>span{background:var(--line);border-radius:5px;flex:1;height:4px}.exp-mini-progress>span[data-filled=true]{background:#79bc96}.exp-mission>.exp-button{width:100%}.exp-mission>small{color:var(--muted);text-align:center;margin-top:12px;font-size:10px;line-height:1.7;display:block}.exp-resume{border:1px solid var(--line);background:var(--surface);border-radius:17px;align-items:center;gap:14px;margin:0 0 18px;padding:17px;display:flex}.exp-resume-icon{color:#7962ad;background:#eeeafa;border-radius:50%;flex-shrink:0;place-items:center;width:44px;height:44px;display:grid}.exp-resume>div{flex:1}.exp-resume strong{font-size:13px}.exp-resume p{color:var(--muted);margin-top:5px;font-size:12px;line-height:1.7}.exp-access{border:1px solid var(--line);background:var(--surface);border-radius:18px;align-items:center;gap:20px;margin-top:20px;padding:23px;display:flex}.exp-access>svg{color:#8b73c6;flex-shrink:0}.exp-access h3{margin-bottom:7px;font-size:16px}.exp-access p{color:var(--muted);font-size:12px;line-height:1.8}.exp-access>.exp-button{flex-shrink:0;max-width:215px}.exp-principles{grid-template-columns:repeat(3,1fr);gap:25px;padding:35px 0 28px;display:grid}.exp-principle-icon{background:var(--surface);border:1px solid var(--line);color:#8b73b8;border-radius:13px;place-items:center;width:44px;height:44px;margin-bottom:14px;display:grid}.exp-principles h3{margin-bottom:9px;font-size:13px;line-height:1.6}.exp-principles p{color:var(--muted);font-size:11px;line-height:1.9}.exp-details{border-top:1px solid var(--line);color:var(--muted);padding-top:17px;font-size:12px;line-height:1.9}.exp-details summary{cursor:pointer;color:var(--body);min-height:35px;font-weight:650}.exp-details p{margin:12px 0}.exp-loading{color:var(--muted);justify-content:center;align-items:center;gap:10px;padding:38px;font-size:13px;display:flex}.exp-alert{background:var(--surface);border:1px solid #c88666;border-radius:16px;margin:20px 0;padding:18px;font-size:13px}.exp-alert p{margin:8px 0;line-height:1.8}.exp-player{background:var(--surface);border:1px solid var(--line);border-radius:24px;margin-top:26px;padding:clamp(20px,3vw,36px);scroll-margin-top:105px;box-shadow:0 12px 40px #23304a08}.exp-player-top{justify-content:space-between;align-items:center;gap:15px;margin-bottom:9px;display:flex}.exp-player>h2{outline:0}.exp-icon-button{border:1px solid var(--line);background:var(--surface-subtle);width:44px;height:44px;color:var(--ink);border-radius:12px;flex-shrink:0;place-items:center;display:grid}.exp-text-button{min-height:44px;color:var(--body);background:0 0;border:0;justify-content:center;align-items:center;gap:7px;padding:8px 0;font-weight:600;display:inline-flex;font-size:12px!important}.exp-run-progress{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:8px;margin:22px 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svg{width:100%;max-height:230px;color:var(--body);margin:auto;display:block;overflow:visible}.exp-diagram text{fill:currentColor;font-family:inherit;font-size:17px}.exp-diagram figcaption{color:var(--muted);text-align:center;margin-top:12px;font-size:11px;line-height:1.7}.exp-diagram-frame{stroke:currentColor;stroke-width:2px;stroke-linecap:round;fill:none}.exp-diagram-accent{stroke:#8771ce;stroke-width:3px;fill:none;stroke-linecap:round}.exp-diagram-point{fill:#8971ce;stroke:var(--surface);stroke-width:2px}.exp-diagram-pan{fill:#e1d9fc;stroke:#a18ad2;stroke-width:2px}.exp-diagram-box{fill:var(--surface);stroke:var(--line);stroke-width:2px}.exp-diagram-small{font-size:12px!important}.exp-diagram-tick{stroke:currentColor;stroke-width:1.5px}.exp-diagram-shape{stroke:#8674bd;stroke-width:3px;fill:#9c85dd12;stroke-linejoin:round}.exp-diagram-grid{stroke:var(--line);stroke-width:1px}.exp-flow{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.exp-flow>div{border:1px solid 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var(--line);background:var(--surface);border-radius:14px;min-width:95px;max-width:170px;padding:12px}.exp-counter-groups strong{margin-bottom:10px;font-size:11px;display:block}.exp-counter-groups>div>div{flex-wrap:wrap;gap:5px;display:flex}.exp-counter-groups i{background:#b4a0e1;border:2px solid #8971bd;border-radius:6px;width:20px;height:20px;display:block;box-shadow:inset 0 2px #ffffff38}.exp-bars>div{grid-template-columns:80px 1fr 35px;align-items:center;gap:12px;margin:13px 0;font-size:12px;display:grid}.exp-bars i{background:#a797d9;border-radius:6px;height:23px;display:block}.exp-answer{margin-top:22px}.exp-answer>label{flex-direction:column;gap:9px;max-width:460px;display:flex}.exp-answer>label>span{font-size:13px;font-weight:700}.exp-answer input:not([type=radio]){border:1px solid var(--control-border);width:100%;min-width:0;color:var(--ink);background:var(--input-bg);border-radius:12px;padding:15px 17px;font-size:18px}.exp-answer small{color:var(--muted);font-size:11px;line-height:1.8}.exp-answer fieldset{border:0;min-width:0;margin:0;padding:0}.exp-answer legend{margin-bottom:12px;font-size:13px;font-weight:700}.exp-choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.exp-choices label{border:1px solid var(--line);cursor:pointer;border-radius:13px;align-items:center;gap:10px;min-height:57px;padding:12px;font-size:14px;line-height:1.6;display:flex;position:relative}.exp-choices label.is-selected{background:#a58bc918;border-color:#9b82d5}.exp-choices label>input{opacity:0;width:1px;height:1px;position:absolute}.exp-choices label:has(input:focus-visible){outline:3px solid var(--focus-ring);outline-offset:2px}.exp-choices label>svg{color:#8e73c3;flex-shrink:0;margin-left:auto}.exp-choice-letter{background:var(--surface-subtle);width:27px;height:27px;color:var(--muted);border-radius:7px;flex-shrink:0;place-items:center;font-size:10px;font-weight:700;display:grid}.exp-check{min-width:205px;margin-top:18px}.exp-task-tools{flex-wrap:wrap;align-items:center;gap:20px;margin-top:17px;display:flex}.exp-hint{background:var(--surface-subtle);border:1px solid var(--line);border-radius:13px;align-items:flex-start;gap:10px;margin-top:12px;padding:16px;display:flex}.exp-hint>svg{color:#9d8146;flex-shrink:0;margin-top:3px}.exp-hint p{font-size:13px;line-height:1.9}.exp-feedback{border:1px solid var(--line);background:var(--surface-subtle);color:var(--body);border-radius:17px;gap:14px;margin-top:23px;padding:20px;display:flex}.exp-feedback.is-correct{background:#89c59b12;border-color:#93c6ab}.exp-feedback.is-retry{background:#e8c16c0d;border-color:#d1b88d}.exp-feedback-icon{background:var(--surface);color:#8d76b7;border-radius:50%;flex-shrink:0;place-items:center;width:40px;height:40px;display:grid}.exp-feedback.is-correct .exp-feedback-icon{color:#4d956c}.exp-feedback h4{margin-bottom:7px;font-size:16px}.exp-feedback p{white-space:pre-line;font-size:13px;line-height:1.9}.exp-feedback small{color:var(--muted);margin-top:10px;font-size:11px;display:block}.exp-earned{align-items:center;gap:7px;margin-top:12px;font-size:15px;animation:.4s ease-out expReward;display:inline-flex}.exp-player-bottom{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px;margin-top:24px;padding-top:20px;display:flex}.exp-player-bottom .exp-muted{font-size:10px}.exp-course-link{color:var(--muted);align-items:center;gap:8px;min-height:44px;margin-top:20px;font-size:12px;line-height:1.7;display:flex}.exp-demo-end{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:20px;margin-top:25px;padding-top:23px;display:flex}.exp-order>p{color:var(--muted);margin-bottom:12px;font-size:13px;line-height:1.8}.exp-order-slots{border:1px dashed var(--control-border);background:var(--surface-subtle);border-radius:13px;flex-wrap:wrap;align-items:center;gap:9px;min-height:69px;padding:12px;display:flex}.exp-order-slots>span{color:var(--muted);font-size:12px}.exp-order button{border:1px solid var(--control-border);min-height:46px;color:var(--ink);background:var(--surface);border-radius:10px;align-items:center;gap:10px;padding:9px 12px;font-size:15px;display:inline-flex}.exp-order button small{border-right:1px solid var(--line);padding-right:7px;font-size:10px}.exp-order-bank{flex-wrap:wrap;gap:9px;margin:12px 0;display:flex}.exp-order-bank span{color:#8e77bd}.exp-validation{color:var(--ink);border-left:3px solid #bd9760;padding:10px 13px;font-size:12px;line-height:1.8;margin-top:12px!important}.exp-summary{text-align:center;flex-direction:column;align-items:center;gap:18px;padding:30px 10px 12px;display:flex}.exp-summary-medal{color:#9b6c2c;background:linear-gradient(135deg,#ffeab0,#efc77b);border-radius:30px;place-items:center;width:94px;height:94px;display:grid;transform:rotate(-7deg);box-shadow:0 10px 20px #ad814422}.exp-summary-medal>svg{transform:rotate(7deg)}.exp-summary h3{letter-spacing:-.03em;font-size:27px;line-height:1.45}.exp-summary p{max-width:510px;font-size:13px;line-height:1.9}.exp-summary-stats{justify-content:center;gap:30px;margin:8px 0;display:flex}.exp-summary-stats>span{color:var(--muted);flex-direction:column;gap:6px;font-size:11px;display:flex}.exp-summary-stats strong{color:var(--ink);font-size:26px}.exp-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.exp-section-title{justify-content:space-between;align-items:center;gap:20px;margin:30px 0 24px;display:flex}.exp-section-title h2{margin-top:7px}.exp-pilot{align-items:center;gap:10px;font-size:13px;display:flex}.exp-pilot>.profile-avatar-portrait,.exp-pilot>.avatar-face{border-radius:50%;flex-shrink:0;width:48px;height:48px;display:block;overflow:hidden}.exp-stat-grid{grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:30px;display:grid}.exp-stat-grid>div{background:var(--surface);border:1px solid var(--line);border-radius:17px;flex-direction:column;align-items:flex-start;gap:11px;padding:22px;display:flex}.exp-stat-grid svg{color:#9078bd}.exp-stat-grid strong{font-size:28px}.exp-stat-grid 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