:root{--paper:#f7f5ec;--ink:#20372c;--green:#2d6550;--lime:#d8ec86;--muted:#66746b;--line:#dce0d4}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 system-ui,-apple-system,"PingFang SC",sans-serif}a{color:var(--green)}button,input,select{font:inherit}button{cursor:pointer}a,button,input{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #d99a42;outline-offset:3px}header{position:sticky;top:0;background:#f7f5ecf5;z-index:2;border-bottom:1px solid var(--line)}.bar{max-width:1180px;padding:17px 26px;margin:auto;display:flex;justify-content:space-between;align-items:center}.brand{font-weight:850;text-decoration:none;letter-spacing:1px}.brand b{display:inline-block;padding:2px 10px;background:var(--green);color:white;border-radius:11px;margin-right:8px}.bar>a:last-child{font-size:14px}.layout{max-width:1180px;margin:auto;padding:32px 26px;display:grid;grid-template-columns:190px minmax(0,1fr);gap:36px}aside{position:sticky;top:100px;align-self:start;font-size:14px}aside>p{color:var(--muted)}nav a{display:block;text-decoration:none;padding:11px 0;border-bottom:1px solid var(--line)}.progress{margin-top:22px}progress{display:block;width:100%;height:10px;accent-color:var(--green);margin:12px 0}.hero{background:var(--green);color:white;padding:36px;border-radius:24px}.hero .eyebrow{color:var(--lime)}.eyebrow{font-size:12px;font-weight:750;letter-spacing:2px;color:var(--muted)}h1{font-size:clamp(27px,4vw,44px);line-height:1.45;margin:16px 0}h2{font-size:25px;line-height:1.5;margin:9px 0}h3{font-size:17px}.hero p{color:#dde9dc}.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;font-size:12px}.chips span{border:1px solid #789785;border-radius:30px;padding:3px 12px}.panel{margin-top:28px;padding:25px;border:1px solid var(--line);border-radius:20px;background:#fffef9}.heading{display:flex;justify-content:space-between;align-items:start;gap:18px}.button,button{display:inline-block;border:1px solid var(--line);border-radius:9px;background:white;color:var(--ink);padding:7px 13px;text-decoration:none;font-size:13px}.muted{color:var(--muted);font-size:14px}.toolbar{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:13px;font-size:13px}select,input[type=search]{padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:white;color:var(--ink)}video{width:100%;aspect-ratio:16/9;background:#17261e;border-radius:14px;display:block;margin-top:18px}iframe.pdf-viewer{width:100%;height:580px;border:1px solid var(--line);border-radius:12px;background:#eceee7}.check{display:block;padding-top:17px;font-size:14px;cursor:pointer}.check input{accent-color:var(--green);width:18px;height:18px;vertical-align:middle;margin-right:8px}.note{border-left:3px solid #d8a452;background:#f0ebda;padding:14px 18px;margin-top:18px;border-radius:0 9px 9px 0;font-size:14px}details{border-bottom:1px solid var(--line);padding:13px 0}summary{cursor:pointer;font-weight:650;font-size:14px;line-height:1.8}details p,.task{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}pre{background:#1e3128;color:#e5eddf;border-radius:12px;padding:20px;overflow:auto;font-size:13px;line-height:1.7;tab-size:4}pre code{font-family:ui-monospace,Menlo,monospace}.task{padding:16px;background:#f0f3e7;border-radius:12px;margin:13px 0}.lesson-links{display:flex;justify-content:space-between;gap:20px;margin-top:30px}.lesson-links a{font-size:14px}footer{margin-top:30px;border-top:1px solid var(--line);padding:20px 0;color:var(--muted);font-size:12px}footer button{display:block;margin-top:12px}.catalog{max-width:1180px;padding:32px 26px;margin:auto}.catalog .hero{padding:42px}.catalog .hero h1{max-width:640px}.filters{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:24px 0}.filters input{flex:1;min-width:200px}.filters button[aria-pressed=true]{background:var(--green);border-color:var(--green);color:white}.catalog-summary{color:var(--muted);font-size:14px;display:flex;justify-content:space-between;gap:15px}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px}.course-card{border:1px solid var(--line);border-radius:17px;padding:22px;background:#fffef9;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .15s,border-color .15s}.course-card:hover{transform:translateY(-3px);border-color:var(--green)}.course-card small{font-size:12px;letter-spacing:1px;color:var(--muted)}.course-card h2{font-size:19px;margin:12px 0;flex:1}.course-card p{font-size:12px;color:var(--muted);margin:0}.course-card .enter{color:var(--green);font-size:13px;margin-top:15px;font-weight:700}.empty{padding:30px;color:var(--muted)}.completed{color:var(--green)!important;font-weight:750}@media(max-width:900px){.layout{grid-template-columns:1fr;gap:20px}aside{position:static}aside nav{display:flex;overflow:auto;gap:16px}nav a{white-space:nowrap}.progress{margin-top:10px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.bar,.layout,.catalog{padding-left:17px;padding-right:17px}.hero,.catalog .hero{padding:25px}.panel{padding:19px}.heading{flex-direction:column;gap:8px}.course-grid{grid-template-columns:1fr}.catalog-summary{flex-direction:column;gap:4px}iframe.pdf-viewer{height:440px}.lesson-links{flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.course-card{transition:none}}

/* HIYAMAX official brand mark */
.brand{display:inline-flex;align-items:center;gap:10px}.brand b{margin-right:0}.hiyamax-logo{display:block;width:126px;height:auto;flex-shrink:0}.bar{gap:12px;flex-wrap:wrap}@media(max-width:600px){.hiyamax-logo{width:102px}.brand{gap:8px}}