:root {
  --ink:#17221f; --muted:#62706b; --paper:#f7f7f2; --white:#fff;
  --line:#dfe4de; --lime:#d7ff5e; --lime-soft:#d4e79b; --deep:#153f35; --soft:#edf4ef;
  --shadow:0 28px 80px rgba(24,49,42,.12);
}
body .about-card,body .featured-course{background:var(--lime-soft)}
.brand .brand-mark{width:44px;height:44px;aspect-ratio:auto;flex:0 0 auto;border-radius:0;background:url("o-color-logo.png") center/contain no-repeat;position:static}
.brand .brand-mark:after{content:none}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;line-height:1.75} a{color:inherit} button,a{font:inherit}.shell{width:min(1160px,calc(100% - 48px));margin:auto}
header{position:sticky;top:0;z-index:30;background:rgba(247,247,242,.92);border-bottom:1px solid rgba(23,34,31,.08);backdrop-filter:blur(16px)}nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;white-space:nowrap}.brand strong{font:500 23px Georgia,serif}.brand-mark{width:32px;aspect-ratio:1;border-radius:50%;background:conic-gradient(#ff5858,#ffad4a,#f8e04c,#5fd279,#47b9e6,#6e73de,#ba66d5,#ff6e96,#ff5858);position:relative}.brand-mark:after{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--paper)}.nav-links{display:flex;align-items:center;gap:23px}.nav-links a{text-decoration:none;color:#49544f;font-size:15px}.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--deep)}.nav-links .nav-cta{color:white;background:var(--deep);padding:10px 17px;border-radius:999px}.menu-button{display:none;border:1px solid var(--line);background:white;border-radius:12px;width:44px;height:42px;font-size:21px}
.eyebrow{display:flex;align-items:center;gap:10px;color:#50615b;font-size:14px;letter-spacing:.12em}.eyebrow:before{content:"";width:28px;height:1px;background:#779087}.kicker{color:#547068;font-size:14px;letter-spacing:.12em;text-transform:uppercase}.button{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 25px;border-radius:999px;text-decoration:none;font-weight:650}.button.primary{background:var(--deep);color:white;box-shadow:0 12px 28px rgba(21,63,53,.2)}.button.secondary{border:1px solid #bdc7c2;color:#3c4b46}.button.disabled{opacity:.55;pointer-events:none}.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero{min-height:650px;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:72px;padding:70px 0 82px}.hero h1,.page-hero h1{margin:20px 0 24px;font-size:clamp(42px,5.4vw,72px);line-height:1.17;letter-spacing:-.035em;font-weight:620}.hero h1 span{color:var(--deep);position:relative;white-space:nowrap}.hero h1 span:after{content:"";position:absolute;left:-2px;right:-2px;bottom:5px;height:10px;background:var(--lime);z-index:-1}.lead{max-width:610px;margin:0;color:var(--muted);font-size:19px}.meta{margin-top:16px;color:#77817d;font-size:14px}
.experience{position:relative;background:white;border:1px solid rgba(21,63,53,.12);border-radius:32px;box-shadow:var(--shadow);padding:31px;overflow:hidden}.experience:before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(212,231,155,.28);top:-120px;right:-70px}.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;position:relative}.step{color:#68746f;font-size:13px;letter-spacing:.08em}.live{font-size:12px;padding:5px 10px;border-radius:999px;color:#2d554a;background:#edf5ef}.experience h2{margin:22px 0 7px;font-size:25px;line-height:1.35}.hint{margin:0;color:#79837f;font-size:15px}.colors{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;margin:29px 0 28px}.color{appearance:none;width:100%;aspect-ratio:1;border-radius:50%;border:2px solid transparent;background:var(--c);box-shadow:inset 0 0 0 1px rgba(0,0,0,.1),0 5px 11px rgba(33,45,41,.08);cursor:pointer;transition:.18s}.color:hover{transform:translateY(-3px)}.color:focus-visible{outline:3px solid var(--lime);outline-offset:4px}.color.selected{box-shadow:0 0 0 4px white,0 0 0 7px var(--deep),0 8px 14px rgba(33,45,41,.16);transform:scale(.92)}.selection{min-height:78px;border-top:1px solid var(--line);padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.selection small{display:block;color:#7b8581}.selection strong{display:block;margin-top:2px;font-size:17px}.next{width:42px;height:42px;border:0;border-radius:50%;background:var(--lime);color:#193027;font-size:20px;cursor:pointer}
.audience{background:var(--ink);color:white;padding:92px 0}.audience-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}.audience h2,.section-head h2{margin:14px 0 0;font-size:clamp(32px,4vw,50px);line-height:1.25;font-weight:580}.moments{display:grid;grid-template-columns:1fr 1fr;gap:16px}.moment{min-height:150px;padding:23px;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:rgba(255,255,255,.05)}.moment span{color:var(--lime);font:italic 28px Georgia,serif}.moment p{margin:22px 0 0;color:#d8ddda}.method{padding:104px 0}.method-head{display:flex;justify-content:space-between;align-items:end;gap:40px}.method-head p{max-width:480px;margin:0;color:var(--muted);font-size:17px}.steps{margin-top:54px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #bfc8c3}.process-step{padding:28px 28px 28px 0}.process-step+.process-step{padding-left:28px;border-left:1px solid #d7ddd9}.process-step b{display:block;color:#73807a;font:italic 22px Georgia,serif}.process-step h3{font-size:21px;margin:17px 0 8px}.process-step p{color:var(--muted);margin:0;font-size:15px}.about{padding:25px 0 104px}.about-card{background:var(--lime);border-radius:28px;padding:56px;display:grid;grid-template-columns:.65fr 1.35fr;gap:60px}.about-card h2{margin:12px 0 0;font:500 clamp(31px,4vw,48px)/1.25 Georgia,"Noto Serif TC",serif}.about-card p{margin:0;font-size:18px;line-height:1.9;color:#304039}.about-card p+p{margin-top:15px}
.page-hero{padding:96px 0 72px;max-width:930px}.page-hero h1{font-size:clamp(40px,5vw,64px)}.page-hero .lead{max-width:760px}.section{padding:70px 0}.section.white{background:white}.section.deep{background:var(--deep);color:white}.section-head{max-width:760px;margin-bottom:40px}.section-head p{color:var(--muted);font-size:18px}.deep .section-head p{color:#d9e2de}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.founder-layout{display:grid;grid-template-columns:minmax(250px,.7fr) minmax(0,1.3fr);gap:48px;align-items:start}.founder-photo{margin:0}.founder-photo img{display:block;width:100%;aspect-ratio:1/1.08;object-fit:cover;object-position:center top;border-radius:24px}.founder-photo figcaption{margin-top:12px;color:var(--muted);font-size:14px}.founder-details{display:grid;grid-template-columns:1fr 1fr;gap:20px}.card{background:white;border:1px solid var(--line);border-radius:22px;padding:30px}.card h3{margin:0 0 10px;font-size:22px}.card p{margin:0;color:var(--muted)}.card .number{display:block;margin-bottom:24px;color:#718079;font:italic 25px Georgia,serif}.deep .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.15)}.deep .card p{color:#d7e0dc}.feature{padding:34px;border-left:3px solid var(--lime);background:white}.feature h3{margin:0 0 8px}.feature p{margin:0;color:var(--muted)}.quote{font:500 clamp(28px,4vw,48px)/1.45 Georgia,"Noto Serif TC",serif;max-width:900px;margin:0}.notice{background:#edf4d8;border-radius:22px;padding:34px}.notice p{margin:0;font-size:18px}.timeline{display:grid;gap:14px}.timeline-row{display:grid;grid-template-columns:150px 1fr;gap:26px;padding:25px 0;border-bottom:1px solid var(--line)}.timeline-row strong{color:var(--deep)}.timeline-row p{margin:0;color:var(--muted)}.course-card{display:flex;flex-direction:column;min-height:300px}.course-card .tag{align-self:flex-start;font-size:13px;background:var(--soft);border-radius:999px;padding:5px 11px;margin-bottom:28px}.course-card a{margin-top:auto;text-decoration:none;font-weight:650;color:var(--deep)}.contact-box{background:var(--ink);color:white;border-radius:30px;padding:54px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.contact-box h2{margin:0 0 10px;font-size:clamp(30px,4vw,48px)}.contact-box p{margin:0;color:#d9e0dd}
.featured-course{background:var(--lime);border-radius:30px;padding:52px;display:grid;grid-template-columns:1fr auto;gap:42px;align-items:end}.featured-course h2{font-size:clamp(34px,4vw,50px);margin:10px 0}.featured-course-course p{max-width:680px;margin:0;color:#34423d;font-size:18px}.course-facts{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}.course-facts span{background:rgba(255,255,255,.62);border-radius:999px;padding:7px 13px;font-size:14px}.featured-course .actions{justify-content:flex-end}.prose p{margin:0 0 18px;color:var(--muted);font-size:18px}.lesson-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.lesson-list article{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:25px 20px 25px 0;border-bottom:1px solid var(--line)}.lesson-list article:nth-child(even){padding-left:28px;border-left:1px solid var(--line)}.lesson-list span{color:#73807a;font:italic 23px Georgia,serif}.lesson-list h3{margin:0 0 5px;font-size:20px}.lesson-list p{margin:0;color:var(--muted)}.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.check-list li{position:relative;padding:14px 16px 14px 46px;background:white;border:1px solid var(--line);border-radius:14px}.check-list li:before{content:"✓";position:absolute;left:17px;color:var(--deep);font-weight:700}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.info-grid div{background:white;border:1px solid var(--line);border-radius:18px;padding:24px}.info-grid small{display:block;color:var(--muted);margin-bottom:8px}.info-grid strong{display:block;font-size:17px}.topic-list{display:grid;gap:12px}.topic-list article{padding:22px 0;border-bottom:1px solid var(--line)}.topic-list h-list h3{margin:0 0 5px;font-size:21px}.topic-list p{margin:0;color:var(--muted)}.topic-list.dark article{border-color:rgba(255,255,255,.17)}.topic-list.dark p{color:#d7e0dc}.boundary-note{margin-top:22px;padding:18px 22px;border:1px solid var(--line);border-radius:16px;color:var(--muted)}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.resource-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;overflow:hidden}.resource-card summary{list-style:none;cursor:pointer;padding:27px}.resource-card summary::-webkit-details-marker{display:none}.resource-card summary span,.video-card>span{color:#557269;font-size:14px;letter-spacing:.08em}.resource-card h3,.video-card h3{margin:8px 0;font-size:22px;line-height:1.45}.resource-card summary p{margin:0;color:var(--muted)}.resource-card[open] summary{background:var(--soft)}.resource-body{padding:0 27px 27px}.resource-body p{color:var(--muted)}.resource-body ol{padding-left:22px;color:var(--muted)}.resource-body li+li{margin-top:8px}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.video-card{border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:16px;background:rgba(255,255,255,.06)}.video-card>span{display:block;margin-top:15px;color:var(--lime)}.video-card h3{margin-bottom:5px}.video-embed{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:13px;background:#0e1815}.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.featured-course p{max-width:680px;margin:0;color:#34423d;font-size:18px}.topic-list h3{margin:0 0 5px;font-size:21px}
.email-panel{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:34px}.email-address{display:inline-flex;align-items:center;min-height:54px;padding:0 22px;border:1px solid var(--line);border-radius:999px;background:white;font-weight:650}.copy-status{flex-basis:100%;min-height:28px;color:var(--muted);font-size:14px}.awareness-flow{margin-top:48px}
.awareness-benefits{margin-top:44px}.awareness-note{margin-top:22px}.awareness-note strong{display:block;margin-bottom:5px;color:var(--ink)}
footer{border-top:1px solid var(--line);padding:34px 0 50px;color:#69736f}footer .shell{display:flex;justify-content:space-between;gap:24px;font-size:14px}
@media(max-width:1080px){.menu-button{display:block}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;background:white;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:7px 5px}.nav-links .nav-cta{text-align:center}}
@media(max-width:940px){.menu-button{display:block}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;background:white;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:7px 5px}.nav-links .nav-cta{text-align:center}.hero{grid-template-columns:1fr;gap:46px}.audience-grid,.about-card,.founder-layout{grid-template-columns:1fr;gap:42px}.founder-photo{max-width:420px}.steps{grid-template-columns:1fr 1fr}.process-step:nth-child(3){border-left:0}.grid-3{grid-template-columns:1fr 1fr}.video-grid{grid-template-columns:1fr 1fr}.featured-course{grid-template-columns:1fr}.featured-course .actions{justify-content:flex-start}.info-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.shell{width:calc(100% - 28px)}nav{min-height:68px}.brand span:last-child{display:none}.hero{padding:55px 0 70px}.hero h1{font-size:41px}.lead{font-size:17px}.actions{flex-direction:column}.button{width:100%}.experience{padding:23px;border-radius:24px}.colors{gap:9px}.audience,.method,.section{padding:74px 0}.moments,.steps,.grid-2,.grid-3,.info-grid,.founder-details,.resource-grid,.video-grid{grid-template-columns:1fr}.process-step,.process-step+.process-step{padding:24px 0;border-left:0;border-bottom:1px solid #d7ddd9}.about{padding-bottom:74px}.about-card{padding:34px 27px}.page-hero{padding:72px 0 52px}.timeline-row{grid-template-columns:1fr;gap:5px}.contact-box{padding:34px 26px;grid-template-columns:1fr}.featured-course{padding:34px 26px}.lesson-list{grid-template-columns:1fr}.lesson-list article,.lesson-list article:nth-child(even){padding:22px 0;border-left:0}footer .shell{flex-direction:column}}
.deep .course-card a{color:white}.deep .course-card a:hover{color:var(--lime)}
.section.deep{background:#536b7a}
.deep .section-head p{color:#edf2f5}