@font-face{font-family:LocalSerif;src:local("Georgia");font-display:swap}
:root{--green:#2f6b3f;--green-dark:#204d2d;--pale:#e9eee1;--milk:#f7f4ea;--ink:#2b2b2b;--muted:#62695f;--line:#d9dfcf;--blue:#28658e;--red:#a54832;--white:#fff;--serif:LocalSerif,Georgia,"Times New Roman",serif;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);font-size:16px;line-height:1.6;background:var(--milk);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button,a,input,textarea,select,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}input:focus,textarea:focus,select:focus{outline:2px solid var(--blue);outline-offset:2px}img{max-width:100%;display:block}h1,h2,h3,p{margin:0 0 16px}h1,h2,h3{line-height:1.2;color:var(--green-dark)}h1{font-family:var(--serif);font-size:44px;font-weight:400;letter-spacing:-1.2px}h2{font-family:var(--serif);font-size:30px;font-weight:400;letter-spacing:-.4px}h3{font-size:18px;font-weight:600}p:last-child{margin-bottom:0}small,.small-text{font-size:14px;color:var(--muted);line-height:1.55}hr{border:0;border-top:1px solid var(--line);margin:28px 0}.boot{padding:40px}.skip{position:fixed;left:12px;top:-80px;z-index:100;background:white;padding:12px}.skip:focus{top:12px}.demo-bar{background:var(--green-dark);color:#e6ebdf;text-align:center;font-size:12px;padding:7px 16px;letter-spacing:.2px}.demo-bar span{font-size:10px;letter-spacing:1.2px;margin-right:14px;font-weight:700;color:#d2e5b8}header{background:var(--milk)}.header-inner{max-width:1264px;padding:23px 32px;display:flex;align-items:center;gap:28px;margin:auto}.brand{display:block;flex-shrink:0}.brand img{width:194px;height:60px;object-fit:contain}.header-description{padding-left:28px;border-left:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.5}.header-description b{font-weight:500;color:var(--ink)}.team-pill{margin-left:auto;display:flex;align-items:center;gap:14px;border:1px solid #b8c8af;padding:10px 18px;border-radius:30px;color:var(--green-dark);font-size:14px;background:#fff6}.person-icon{font-size:23px;line-height:1}.team-pill:hover{background:var(--pale);text-decoration:none}nav{border-block:1px solid var(--line);background:#f7f4eaf5;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav-inner{max-width:1200px;display:flex;gap:32px;margin:auto;overflow-x:auto;scrollbar-width:thin}.nav-inner a{padding:15px 0;white-space:nowrap;color:var(--muted);font-size:14px;position:relative;min-height:50px}.nav-inner a:hover{color:var(--green);text-decoration:none}.nav-inner a.active{color:var(--green-dark);font-weight:600}.nav-inner a.active:after{content:"";position:absolute;height:3px;bottom:0;left:0;right:0;background:var(--green)}.nav-check{margin-left:7px}.state-bar{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;padding:12px 0 0;font-size:12px;color:var(--muted)}main{max-width:1200px;margin:0 auto;padding:40px 0 72px;min-height:65vh}main:focus{outline:none}main.wide{padding-top:36px}.eyebrow{font-size:11px;letter-spacing:1.4px;text-transform:uppercase;font-weight:650;color:var(--green);display:block;margin-bottom:16px}.dot{padding:0 10px;color:#a3b297}.hero{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;padding-bottom:58px;border-bottom:1px solid var(--line)}.hero-copy{padding:16px 0 12px}.hero h1{font-size:52px;line-height:1.1;margin-bottom:25px;letter-spacing:-1.6px}.hero h1 em{font-weight:400;color:var(--green);font-style:italic}.hero-copy>p{max-width:460px;color:var(--muted);font-size:16px;line-height:1.7;margin-bottom:28px}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.button{border:1px solid var(--green);border-radius:8px;color:white;background:var(--green);padding:13px 20px;font-size:14px;font-weight:550;line-height:1.4;display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:46px;transition:background .15s;text-decoration:none}.button:hover{background:var(--green-dark);color:white;text-decoration:none}.button.secondary{background:transparent;color:var(--green-dark);border-color:#b1c3a5}.button.secondary:hover{background:#e3eadb;color:var(--green-dark)}.button.text-button{background:transparent;border-color:transparent;color:var(--blue);padding-left:0}.button.small{padding:10px 14px;font-size:13px;min-height:44px}.quiet-link,.text-link{background:none;border:0;padding:0;color:var(--green);text-decoration:underline;text-underline-offset:5px;font-size:14px}.quiet-link{min-height:44px;display:inline-flex;align-items:center}.hero .quiet-link{font-size:13px}.hero-meta{display:flex;gap:32px;margin-top:36px;color:var(--muted);font-size:12px}.hero-meta b{font-family:var(--serif);color:var(--green-dark);font-size:25px;font-weight:400;margin-right:5px}.hero-photo{height:440px;position:relative;border-radius:110px 14px 14px 14px;overflow:hidden;background:#d6dec9}.hero-photo>img{height:100%;width:100%;object-fit:cover;object-position:48% center}.photo-caption{position:absolute;bottom:20px;left:20px;right:20px;background:#fbfaf4f2;padding:13px 16px;border-radius:6px;display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--green-dark)}.photo-caption>span:last-child{margin-left:auto;font-weight:400;font-size:10px;color:var(--muted)}.live-dot{height:6px;width:6px;background:var(--green);border-radius:50%}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.section-heading h2,.section-heading h3{margin:0}.section-heading .eyebrow{margin-bottom:12px}.route-section{padding:46px 0 56px}.task-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.task-card{background:#fff9;border:1px solid var(--line);border-radius:12px;overflow:hidden;color:inherit;transition:transform .18s,box-shadow .18s}.task-card:hover{text-decoration:none;transform:translateY(-4px);box-shadow:0 10px 24px #344e2820}.card-image{height:135px;position:relative;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover}.card-image>span{position:absolute;left:13px;top:12px;background:var(--milk);height:31px;width:31px;border-radius:50%;display:grid;place-items:center;font-size:12px;color:var(--green-dark)}.task-card-copy{padding:21px 20px 18px}.task-card-copy .eyebrow{font-size:9px;letter-spacing:.6px;margin-bottom:12px}.task-card h3{font-family:var(--serif);font-size:24px;font-weight:400;min-height:58px;margin-bottom:12px}.task-card p{font-size:13px;color:var(--muted);min-height:62px;line-height:1.6}.card-arrow{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:22px;padding-top:15px;font-size:12px;color:var(--green-dark)}.card-arrow b{font-size:20px;font-weight:400}.intro-split{border-top:1px solid var(--line);padding:50px 0;display:grid;grid-template-columns:1fr 1fr;gap:100px}.intro-split h2{font-size:36px}.intro-split p{color:var(--muted);font-size:15px}.principles>div{position:relative;padding:0 0 22px 50px;margin-bottom:22px;border-bottom:1px solid var(--line)}.principles>div>span{position:absolute;left:0;top:-5px;font-family:var(--serif);font-size:28px;color:#788a6b}.principles h3{margin-bottom:8px}.course-strip{background:#e8eddf;border:1px solid #d4dfc6;border-radius:14px;padding:36px;display:flex;gap:20px;align-items:center;justify-content:space-between}.course-strip h2{font-size:27px;margin-bottom:0}.page-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:32px}.page-heading p{color:var(--muted);max-width:740px}.page-heading h1{margin-bottom:14px}.round-time{border:1px solid var(--line);border-radius:24px;padding:8px 14px;white-space:nowrap;font-size:13px;background:#fff8;margin-top:9px}.round-time.urgent{border-color:var(--red);color:var(--red)}.panel,.answer-panel{background:white;border:1px solid var(--line);border-radius:14px;padding:30px;margin-bottom:22px}.panel.soft{background:var(--pale)}.panel h2{font-size:28px}.task-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(310px,1fr);gap:24px;align-items:start}.task-layout>*,.two-columns>*{min-width:0}.answer-panel{background:#f0f2e8}.two-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.empty{text-align:center;padding:60px 24px}.empty h2{margin-top:14px}.empty p{margin-bottom:24px}.large-symbol{font-size:42px;color:var(--green)}.tag{display:inline-block;border:1px solid var(--line);padding:5px 10px;border-radius:20px;font-size:12px;white-space:nowrap;color:var(--green-dark);background:var(--milk)}label,.field-label{display:block;font-size:14px;font-weight:550;margin-bottom:7px;color:var(--ink)}input:not([type=radio]):not([type=checkbox]),textarea,select{border:1px solid #b6c1af;background:#fff;border-radius:7px;padding:10px 12px;width:100%;color:var(--ink);min-height:44px}textarea{resize:vertical;line-height:1.55;font-size:15px}input:disabled,textarea:disabled,select:disabled{background:#f2f3ed;color:#555d50}input[type=checkbox],input[type=radio]{accent-color:var(--green);height:19px;width:19px;flex-shrink:0;margin:0}input[type=file]{font-size:13px;padding:14px!important}fieldset{border:0;padding:0;margin:0;min-width:0}.field{margin-bottom:20px;min-width:0}.field small{display:block;margin-top:5px;font-size:12px}.field .counter{text-align:right;margin-top:3px;color:#697460}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}.form-grid .field{margin-bottom:18px}.resources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.resource{display:flex;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);border-radius:8px;padding:13px;background:#fafbf7;color:var(--ink);font-size:13px;min-width:0}.resource>span:nth-child(2){min-width:0;flex:1}.resource small{display:block;font-size:10px;margin-top:3px;overflow-wrap:anywhere}.resource>span:last-child{color:var(--green)}.file-icon{border:1px solid #c3ceb9;padding:4px;width:34px;height:38px;display:grid;place-items:center;border-radius:3px;font-size:10px;color:var(--green)}.resource:hover{background:var(--pale)}.source-grid{display:grid;grid-template-columns:1fr;gap:16px}.source-card{padding:20px;border:1px solid var(--line);border-radius:10px;background:#fcfcf8}.source-card .eyebrow{font-size:10px;margin-bottom:12px}.source-card p{font-size:14px;color:var(--muted)}.source-card textarea{margin-bottom:12px}.source-card label{font-size:13px}.evidence{padding-top:22px;border-top:1px solid var(--line);margin-top:24px}.evidence h3{font-size:16px}.commit{padding-top:24px;margin-top:10px;border-top:1px solid var(--line)}.commit p{margin-bottom:16px}.saved-panel{padding:26px;border:1px solid #a8bba2;border-radius:12px;background:#e9efe2;margin-bottom:24px}.saved-panel p{font-size:14px}.saved-panel .eyebrow{font-size:10px;margin-bottom:10px}.saved-panel .actions{margin:20px 0 14px}.saved-panel details{margin-top:20px}.people{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.people label{display:flex;gap:12px;align-items:center;padding:17px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-weight:400;cursor:pointer;background:#fafbf7;margin:0}.people label:has(input:checked){border-color:var(--green);background:var(--pale)}.question h2{font-family:inherit;font-size:23px;line-height:1.4;font-weight:500;max-width:950px}.fixed-choice{border-left:3px solid #9dac8b;padding:10px 16px;background:#f2f4ed;margin:22px 0}.fixed-choice span{display:block;font-size:11px;color:var(--muted)}.fixed-choice strong{font-size:15px;font-weight:550}.branch{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}.checks{display:flex;flex-wrap:wrap;gap:12px}.checks label{display:flex;gap:8px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:7px;font-size:13px;margin:0;font-weight:400}.checks label:has(input:checked){border-color:var(--green);background:var(--pale)}.order-row,.batch{padding:22px;background:#f8f9f4;border:1px solid var(--line);border-radius:9px;margin-bottom:22px}.batch .form-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.test-result{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.result-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.result-columns p{padding:16px;background:var(--milk);border-radius:8px;margin-bottom:0}.result-columns small{display:block;font-size:12px;margin-bottom:5px}.result-columns strong{display:block;font-size:16px;font-weight:500}.packet-card{display:flex;justify-content:space-between;align-items:center;gap:28px;background:#e9eee1}.upload{padding:20px;border:1px dashed #aabf9e;border-radius:10px;margin:20px 0;background:#f8faf5}.upload input{margin-top:10px}.upload p{margin:14px 0 8px;font-size:14px}.hash{font-family:monospace;font-size:10px;overflow-wrap:anywhere;display:block}.upload-label{margin-top:26px}.upload-label input{margin-top:10px}.submission-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin:35px 0}.submission-steps b{display:grid;place-items:center;border:1px solid #a6bb99;background:#e8edde;color:var(--green);width:34px;height:34px;border-radius:50%;margin-bottom:16px;font-family:var(--serif);font-size:19px;font-weight:400}.submission-steps h3{font-size:17px}.submission-steps p{font-size:14px;color:var(--muted)}.work-label{font-size:11px;letter-spacing:1px;margin:20px 0 8px;color:var(--muted)}.notice{padding:16px 20px;background:#eef1e7;border:1px solid var(--line);border-radius:10px;margin-bottom:24px;font-size:14px}.notice.error{background:#fff0ea;border-color:#dcb2a3;color:var(--red)}.course-page{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start;padding-top:15px}.course-page>img{height:620px;width:100%;object-fit:cover;border-radius:100px 12px 12px 12px}.course-page h1{font-size:38px}.course-points{display:grid;grid-template-columns:1fr 1fr;gap:16px;font-size:14px;margin:25px 0}.course-points b{display:block;font-size:13px;color:var(--green);margin-bottom:8px}.course-points p{border-top:1px solid var(--line);padding-top:16px}.prose{font-size:16px;line-height:1.7;overflow-wrap:anywhere}.prose h2{font-size:27px;margin:20px 0}.prose h3{margin:25px 0 12px;font-size:20px}.prose h4{margin:22px 0 12px}.prose p{margin-bottom:16px}.prose ul,.prose ol{padding-left:23px}.prose li{margin-bottom:8px}.prose code,code{background:#eef1e9;border:1px solid #e0e5d7;border-radius:4px;padding:2px 5px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.84em}pre{overflow:auto;max-height:500px;padding:20px;border:1px solid var(--line);border-radius:8px;background:#f5f7f0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}pre code{border:0;background:none;padding:0;font-size:inherit}.table-wrap{overflow:auto;margin:20px 0}table{border-collapse:collapse;font-size:13px;width:100%}td,th{padding:10px 12px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--pale);font-weight:600}blockquote{border-left:3px solid #9aaf87;background:#f0f3e9;padding:18px;margin:20px 0;font-size:15px}summary{cursor:pointer;min-height:44px;padding:10px 0;font-size:14px;color:var(--green)}dl{font-size:14px}dt{color:var(--muted);font-size:12px}dd{margin:0 0 16px}audio{width:100%;margin-bottom:16px}#login>*{margin-bottom:18px}#login label{margin-bottom:6px}dialog{width:min(900px,calc(100vw - 32px));max-height:90vh;border:1px solid var(--line);border-radius:16px;padding:0;background:var(--milk);color:var(--ink)}dialog::backdrop{background:#1d2e1eb3;backdrop-filter:blur(4px)}.dialog-top{display:flex;align-items:center;gap:20px;justify-content:space-between;position:sticky;top:0;padding:15px 25px;background:var(--milk);border-bottom:1px solid var(--line);z-index:1;font-size:15px;font-weight:600}.dialog-top button{height:44px;width:44px;background:white;border:1px solid var(--line);border-radius:50%;font-size:24px;color:var(--green)}#document-content{padding:25px 35px 35px}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);max-width:620px;width:calc(100% - 32px);padding:14px 22px;background:var(--green-dark);color:white;border-radius:10px;box-shadow:0 8px 35px #0003;opacity:0;pointer-events:none;z-index:100;font-size:14px;transition:opacity .2s,transform .2s}#toast.visible{opacity:1;transform:translate(-50%,0)}#toast.error{background:#833c2c}footer{border-top:1px solid var(--line);padding:27px 32px;display:flex;gap:24px;justify-content:space-between;font-size:11px;color:var(--muted);max-width:1264px;margin:auto}footer>a:first-child{font-family:var(--serif);font-size:20px;color:var(--green-dark)}footer a:last-child{color:var(--green)}
@media(min-width:1500px){.hero-photo{height:470px}.hero h1{font-size:58px}}
@media(max-width:1260px){main,.state-bar{margin-inline:32px}.nav-inner{padding-inline:32px}.hero{gap:32px}.hero h1{font-size:46px}.hero-meta{gap:20px}.hero-photo{height:410px}.task-card-copy{padding:18px 15px}.task-card h3{font-size:22px}.nav-inner{gap:26px}}
@media(max-width:1000px){.hero h1{font-size:40px}.hero-photo{height:390px}.hero-meta{gap:12px}.hero .actions{gap:8px}.task-grid{grid-template-columns:1fr 1fr}.card-image{height:180px}.task-card h3,.task-card p{min-height:0}.task-layout{grid-template-columns:1fr}.resources{grid-template-columns:1fr 1fr}.intro-split{gap:40px}.course-page{gap:28px}.course-page h1{font-size:32px}.header-description{display:none}.batch .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){:root{font-size:16px}.demo-bar{font-size:10px;padding:7px 16px}.demo-bar span{display:none}.header-inner{padding:14px 18px;gap:12px}.brand img{width:153px;height:48px}.team-pill{font-size:12px;padding:8px 12px;gap:8px}.person-icon{display:none}.nav-inner{padding-inline:18px;gap:24px}.nav-inner a{font-size:13px;padding:12px 0;min-height:46px}.state-bar{margin-inline:18px;gap:10px;font-size:10px;flex-wrap:wrap}main,main.wide{margin-inline:18px;padding-top:26px;padding-bottom:40px}.hero{grid-template-columns:1fr;gap:25px;padding-bottom:32px}.hero-copy{padding:3px 0 0}.hero h1{font-size:43px;letter-spacing:-1.4px}.hero-copy>p{font-size:15px;margin-bottom:23px}.hero .eyebrow{font-size:10px;letter-spacing:1.1px}.hero-meta{margin-top:25px;justify-content:space-between;gap:8px}.hero-meta b{font-size:23px}.hero-photo{height:210px;border-radius:50px 12px 12px 12px}.hero-photo>img{object-position:center 60%}.photo-caption{bottom:12px;left:12px;right:12px;padding:10px 12px;font-size:11px}.route-section{padding:30px 0}.section-heading{align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:20px}.section-heading h2{font-size:28px}.section-heading>.small-text{display:none}.task-grid{gap:13px}.card-image{height:115px}.task-card-copy{padding:15px 12px}.task-card h3{font-size:21px;min-height:50px}.task-card p{font-size:12px;min-height:76px;line-height:1.5}.task-card-copy .eyebrow{font-size:8px}.card-arrow{font-size:10px;gap:6px;margin-top:15px}.card-arrow b{font-size:17px}.intro-split{grid-template-columns:1fr;padding:32px 0;gap:26px}.intro-split h2{font-size:32px}.principles>div:last-child{margin-bottom:0}.course-strip{padding:25px;flex-direction:column;align-items:flex-start}.course-strip h2{font-size:25px}.page-heading{display:block;margin-bottom:24px}.page-heading h1{font-size:34px}.page-heading p{font-size:15px}.round-time{display:inline-block;margin-top:15px}.panel,.answer-panel{padding:20px;border-radius:12px;margin-bottom:18px}.panel h2{font-size:26px}.two-columns{grid-template-columns:1fr;gap:0}.resources{grid-template-columns:1fr}.task-layout{gap:0}.form-grid,.batch .form-grid{grid-template-columns:1fr 1fr;gap:0 12px}.field label{font-size:13px}.form-grid input,.form-grid select{padding:9px 8px;font-size:14px}.people{grid-template-columns:1fr;margin:20px 0}.question h2{font-size:20px}.source-card{padding:17px}.question .eyebrow{font-size:10px}.checks{gap:8px}.checks label{padding:10px}.order-row,.batch{padding:15px}.result-columns{grid-template-columns:1fr}.packet-card{display:block}.packet-card .button{margin-top:22px}.packet-card code{font-size:10px;overflow-wrap:anywhere}.saved-panel{padding:20px}.saved-panel .button{width:100%}.submission-steps{grid-template-columns:1fr;gap:20px;margin:25px 0}.submission-steps>div{padding-left:50px;position:relative}.submission-steps b{position:absolute;left:0;top:0}.submission-steps h3{margin-bottom:8px}.course-page{grid-template-columns:1fr;padding-top:0}.course-page>img{height:230px;object-position:center 40%;border-radius:50px 12px 12px 12px}.course-points{grid-template-columns:1fr}.prose{font-size:15px}.prose h2{font-size:25px}.prose h3{font-size:19px}.button{padding:12px 16px;font-size:13px;gap:14px}.eyebrow{font-size:10px;letter-spacing:1px}footer{padding:24px 18px;flex-wrap:wrap;gap:12px}footer>span{order:3;flex-basis:100%;font-size:10px}.dialog-top{padding:10px 15px;font-size:13px}#document-content{padding:18px}.upload{padding:15px}.empty{padding:35px 20px}}
@media(max-width:360px){.hero h1{font-size:37px}.team-pill{padding:8px;font-size:11px}.brand img{width:137px}.task-grid{grid-template-columns:1fr}.card-image{height:160px}.task-card h3,.task-card p{min-height:0}.form-grid,.batch .form-grid{grid-template-columns:1fr}.hero-meta{font-size:10px}.hero-meta b{font-size:21px}.photo-caption>span:last-child{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Revised listener flow, October 2026 */
.temporary{background:#e8eddf;color:#46553c;text-align:center;padding:8px 16px;font-size:12px}.sponsors{display:flex;align-items:center;gap:34px;margin-bottom:28px}.sponsors img{width:145px;height:48px;object-fit:contain}.sponsors a:last-child img{width:230px}.hero{padding-top:14px}.task-single{max-width:1000px;margin:auto}.prose h2{font-family:var(--serif);font-size:27px;margin-top:32px}.prose h2:first-child{margin-top:0}.prose p,.prose li{line-height:1.7}.format{font:10px system-ui;color:#68775b;white-space:nowrap}.table-scroll{overflow:auto;max-width:100%;margin:24px 0}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:12px;text-align:left;border:1px solid #dce2d4}th{background:#edf1e5}pre{overflow:auto;background:#f1f4ec;border:1px solid #dce2d4;border-radius:8px;padding:20px;font-size:13px;line-height:1.6}.chat{display:flex;gap:14px;padding:16px 20px;background:#f1f4ec;border-radius:14px;margin:16px 0}.chat img{height:48px;width:48px;border-radius:50%;object-fit:cover;flex-shrink:0}.chat p{margin:5px 0 0}.guide{border:1px solid #c7d5bc;background:#f7f9f2;border-radius:10px;padding:18px 22px;margin-top:30px}.guide summary{font-weight:600;cursor:pointer;color:#315633;min-height:32px}.guide h2{font-size:23px}.prompt{background:white;padding:18px;border:1px solid #dce2d4;border-radius:8px}.prompt p{font-size:14px;white-space:normal}.source-panel{padding:24px}.source-panel h2{font-size:28px}.source-card h3{font-family:inherit;font-size:17px}.source-card{padding:16px}.source-card button{width:100%}button:disabled{opacity:.52;cursor:not-allowed}audio{width:100%}.audio{background:#f3f5eb}.audio h2{font-size:23px}.key{letter-spacing:2px;font-family:monospace}.model-screen{max-width:100%;height:auto}.actions{display:flex;gap:12px;flex-wrap:wrap}#login select{margin:0 0 22px}#login label{margin-top:20px}#login-error{color:#9a302c}footer{display:block;max-width:1180px;margin:60px auto 0;padding:28px 24px;color:#65705d;font-size:12px;border-top:1px solid #dce2d4}footer p{max-width:1000px;line-height:1.65;margin-top:14px}.course-strip{margin-top:32px}.course-strip .button{flex-shrink:0}.task-card h3{min-height:85px}.task-card p{min-height:64px}main{overflow-wrap:break-word}.state-bar{gap:20px}.task-layout{grid-template-columns:minmax(0,1.7fr) minmax(290px,1fr)}
@media(max-width:850px){.task-layout{display:flex;flex-direction:column}.task-layout>article{width:100%}.source-panel{width:100%}.source-grid{grid-template-columns:1fr 1fr}.state-bar{flex-wrap:wrap}.task-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-strip{flex-direction:column;align-items:flex-start}}
@media(max-width:560px){.sponsors{gap:20px;justify-content:space-between}.sponsors img{width:100px}.sponsors a:last-child img{width:170px}.source-grid{grid-template-columns:1fr}.task-grid{grid-template-columns:1fr}.task-card h3,.task-card p{min-height:0}.panel{padding:21px}.source-card{padding:15px}.state-bar{font-size:11px}.chat{padding:14px;gap:10px}.chat img{width:36px;height:36px}.hero-photo{height:260px}.guide{padding:15px}.header-description{display:none}}

dialog#source-confirm{max-width:480px;width:calc(100% - 32px);padding:28px;border:1px solid #b6c1af;border-radius:14px;color:#283c2b}dialog::backdrop{background:#1c2d2355}

header>.sponsors{max-width:1180px;margin:0 auto;padding:18px 24px 0;justify-content:flex-start}
@media(max-width:560px){header>.sponsors{padding:14px 16px 0;gap:20px}}
header>.sponsors>a:last-child{margin-left:auto}
