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*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4faf6;color:var(--learn-ink)}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--learn-yellow);outline-offset:2px}
.learning-skip{position:absolute;top:-100px;left:12px;z-index:20;padding:10px;background:white}.learning-skip:focus{top:8px}
.learning-header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px max(16px,calc((100vw - 1140px)/2));background:#fff;border-bottom:2px solid var(--learn-border)}
.learning-brand{display:flex;align-items:center;gap:9px;color:var(--learn-dark);text-decoration:none}.learning-brand img{width:50px;height:50px;object-fit:contain;border-radius:11px}.learning-brand span{display:grid}.learning-brand strong{font-size:1.13rem;line-height:1.1}.learning-brand small{color:#486652;font-size:.73rem}
.learning-header nav{display:flex;flex-wrap:wrap;gap:7px;justify-content:flex-end}.learning-header nav a{display:inline-grid;place-items:center;min-height:42px;padding:8px 11px;border-radius:11px;color:var(--learn-dark);text-decoration:none;font-weight:800;font-size:.82rem}.learning-header nav a:hover{background:#e5f6eb}
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.learning-hero{padding:26px;border-radius:24px;background:linear-gradient(125deg,#06442e,#0aa458);color:#fff;box-shadow:0 12px 28px #07563222}.learning-kicker{display:inline-block;padding:5px 10px;border-radius:8px;background:var(--learn-yellow);color:#173b29;font-size:.75rem;font-weight:900;letter-spacing:.07em}.learning-hero h1{margin:13px 0 6px;font-size:clamp(1.9rem,6vw,3rem);line-height:1.08}.learning-hero p{max-width:67ch;line-height:1.55}.learning-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
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.learning-section{margin-top:25px}.learning-section h2{margin:0 0 11px;color:var(--learn-dark);font-size:clamp(1.3rem,4vw,1.8rem)}.learning-section>p{color:#4a6654;line-height:1.5}
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.learning-panel{margin-top:17px}.learning-panel h2,.learning-panel h3{margin:0 0 8px;color:var(--learn-dark)}.learning-panel p{line-height:1.55}.learning-notice{max-width:660px;margin:30px auto;padding:24px;border:2px solid var(--learn-border);border-radius:20px;background:#fff}.learning-notice h1{margin-top:0;color:var(--learn-dark)}.learning-notice p{line-height:1.55}.learning-notice.is-warning{border-color:#f0da8b;background:#fffaf0}.learning-notice.is-error{border-color:#ebb0b0;background:#fff5f5}
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@media(max-width:560px){.learning-main{padding:14px 12px 52px}.learning-hero{padding:20px}.learning-level-grid,.learning-choice-grid,.learning-lesson-body{grid-template-columns:1fr}.learning-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-header nav a{min-height:44px;padding:8px;font-size:.75rem}.learning-teacher-table{display:block;overflow-x:auto}}
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.learning-certificate{max-width:820px;margin:22px auto;padding:55px 35px;border:12px double #08783f;background:#fff;text-align:center;box-shadow:0 12px 35px #07563220}.learning-certificate-logo{width:90px;height:90px;object-fit:contain}.learning-certificate h1{font-size:clamp(2rem,6vw,3.3rem);color:#06442e}.learning-certificate h2{font-size:clamp(1.8rem,5vw,2.7rem);color:#08783f}.learning-certificate p{line-height:1.6}.learning-certificate small{word-break:break-all}@media print{.learning-header,.learning-footer,.learning-no-print{display:none!important}.learning-main{padding:0;max-width:none}.learning-certificate{margin:0;box-shadow:none;min-height:95vh}}