@import url('https://fonts.googleapis.com/css2?family=DM+Mono&family=Noto+Sans+TC:wght@400;500;600;700;800&display=swap');
:root{--bg:#10110f;--card:#191b18;--panel:#20231e;--line:#34372f;--txt:#f2f1e9;--muted:#a4a69c;--lime:#c5f36c;--orange:#ff9c6b;--mono:'DM Mono',monospace;--sans:'Noto Sans TC',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:75px}body{margin:0;background:var(--bg);color:var(--txt);font:14px/1.8 var(--sans)}a{color:var(--lime)}header{position:sticky;top:0;z-index:4;background:#10110fee;backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.bar{max-width:1050px;margin:auto;padding:11px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px}.brand{color:var(--txt);font-weight:800;text-decoration:none}.brand span,.tag{font:11px var(--mono);color:var(--lime);letter-spacing:.1em}.bar-right{font-size:11px;color:var(--muted)}main{max-width:950px;margin:auto;padding:0 20px}.hero{padding:48px 0 30px}.tag{text-transform:uppercase}.hero h1{font-size:clamp(36px,7vw,57px);letter-spacing:-.055em;line-height:1.13;margin:9px 0 14px}.hero p{max-width:720px;color:#c1c3b9;font-size:15px}.muted,.note{color:var(--muted)}.muted{font-size:12px}.unit-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.pill{border:1px solid var(--line);border-radius:99px;padding:4px 9px;color:var(--muted);font-size:10px}.section{padding:26px 0;border-top:1px solid var(--line);scroll-margin-top:74px}.section h2{font-size:22px;letter-spacing:-.025em;margin:3px 0 12px}.section h3{font-size:15px;margin:3px 0 8px}.section p{margin:7px 0}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.grid.three{grid-template-columns:repeat(3,1fr)}.box,.card,.scenario,.exercise,.quiz,.deliverable{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:15px}.box p,.card p,.scenario p,.exercise p,.deliverable p{font-size:12px;color:#c0c2b8}.box strong,.card strong,.scenario strong,.exercise strong{color:var(--lime)}.callout{border:1px solid #39452e;background:#1c2218;border-radius:9px;padding:14px 16px;margin:11px 0;font-size:12px;color:#d0d3c7}.callout b{color:var(--lime)}.scenario{border-left:3px solid var(--orange)}.scenario .tag{color:var(--orange)}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin:12px 0}.timeline div{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px;font-size:11px}.timeline b{display:block;color:var(--lime);font:11px var(--mono);margin-bottom:3px}.steps{counter-reset:step;list-style:none;padding:0;margin:6px 0}.steps li{counter-increment:step;padding:7px 0 7px 36px;position:relative;font-size:12px;color:#c8c9c0}.steps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;color:var(--lime);font:11px var(--mono)}code,.code{font:12px var(--mono);color:var(--lime)}pre{white-space:pre-wrap;overflow:auto;background:#0c0d0b;border:1px solid var(--line);padding:13px;border-radius:8px;color:#d8dacf;font:11px/1.8 var(--mono)}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:11px 0}.tab,button{cursor:pointer;border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:7px;padding:7px 10px;font:11px var(--sans)}.tab.active,.primary{background:var(--lime);color:#12140f;border-color:var(--lime);font-weight:700}.panel{background:var(--card);border:1px solid var(--line);border-radius:9px;padding:15px}.hidden{display:none!important}.copyrow{display:flex;justify-content:space-between;align-items:center;gap:10px}.copybox{width:100%;min-height:135px;background:#0c0d0b;border:1px solid var(--line);border-radius:8px;color:var(--txt);padding:11px;font:12px/1.8 var(--sans);resize:vertical}.checklist label{display:flex;align-items:flex-start;gap:8px;padding:7px 0;font-size:12px;color:#c7c9bf}.checklist input,.donebox input{accent-color:var(--lime);margin-top:4px}.quiz-options{display:flex;gap:7px;flex-wrap:wrap;margin:10px 0}.feedback{min-height:24px;font-size:12px;color:var(--lime)}.progressbar{height:7px;background:#34372f;border-radius:9px;overflow:hidden}.progressbar span{display:block;height:100%;background:var(--lime);width:0;transition:width .2s}.timerbox{display:flex;align-items:center;gap:11px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:10px 13px;font-size:11px;color:var(--muted)}.timerbox strong{font:12px var(--mono);color:var(--lime)}.donebox{display:flex;gap:9px;align-items:start;padding:12px 0;font-size:12px}.footer-nav{display:flex;justify-content:space-between;gap:12px;padding:18px 0 38px;border-top:1px solid var(--line);font-size:12px}.source-links{display:flex;gap:8px;flex-wrap:wrap;font-size:11px}.source-links a{border:1px solid var(--line);border-radius:7px;padding:6px 9px;text-decoration:none}.source-links a:hover{border-color:var(--lime)}.small{font-size:10px;color:var(--muted)}.search{background:#111;border:1px solid var(--line);border-radius:7px;padding:6px;color:var(--txt)}@media(max-width:700px){main{padding:0 15px}.bar{padding:10px 14px}.grid,.grid.three{grid-template-columns:1fr}.timeline{grid-template-columns:1fr 1fr}.hero{padding-top:37px}.footer-nav{flex-wrap:wrap}}

/* Lucide inline SVG icons (ISC): https://lucide.dev/license */
.icon{display:inline-block;flex:0 0 auto;vertical-align:middle}
.icon-small{width:14px;height:14px;margin-right:6px}
.card-glyph{float:right;display:inline-flex;align-items:center;justify-content:center;width:29px;height:29px;margin-top:-7px;border:1px solid #3d4533;border-radius:8px;background:#20271b;color:var(--lime)}
.icon-card{width:16px;height:16px}
.course-card{position:relative;transition:transform .18s ease,border-color .18s ease,background .18s ease}
.course-card:hover{transform:translateY(-2px);border-color:#879e58;background:#1d201a}
.course-card.is-done{border-color:#71864b}
.timerbox button,.copybox+button{display:inline-flex;align-items:center;gap:5px}
.timerbox .icon-small,.copybox+button .icon-small{margin-right:0}
.timerbox button:hover,.copybox+button:hover{color:var(--lime);border-color:#788d4e}
.timerbox #timer-start{color:var(--lime)}
.hero h1{position:relative;padding-right:60px}
.hero-spark{position:absolute;right:0;top:3px;display:grid;place-items:center;width:43px;height:43px;border:1px solid #424c35;border-radius:14px;background:linear-gradient(145deg,#262d20,#171a15);color:var(--lime);box-shadow:0 8px 30px #0005}
.hero-spark .icon{width:24px;height:24px}
#course-progress .icon-small,.box .tag .icon-small{color:var(--lime)}
button .icon{transition:transform .18s ease}
button:hover .icon{transform:scale(1.08)}
@media(max-width:700px){.hero h1{padding-right:42px}.hero-spark{width:34px;height:34px;border-radius:11px}.hero-spark .icon{width:20px;height:20px}}