:root { --purple:#601986; --purple-dark:#2c0c3d; --purple-soft:#f1e7f5; --lime:#d9ff5c; --ink:#202124; --muted:#62636a; --line:#dedee3; --surface:#f7f6f8; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:#fff; font-family:"Noto Sans TC","Microsoft JhengHei",Arial,sans-serif; }
img { display:block; width:100%; height:100%; object-fit:cover; }
a { color:inherit; text-decoration:none; }
figure { margin:0; }
.about-shell { width:min(1480px,calc(100% - 72px)); margin:0 auto; }
.skip-link { position:fixed; left:18px; top:-70px; z-index:100; padding:11px 16px; color:#fff; background:var(--purple); }
.skip-link:focus { top:18px; }
.eyebrow { color:var(--purple); font-size:13px; font-weight:900; letter-spacing:.17em; }
.eyebrow.light { color:var(--lime); }

.about-header { position:sticky; top:0; z-index:30; border-bottom:1px solid rgba(96,25,134,.1); background:rgba(255,255,255,.96); backdrop-filter:blur(12px); }
.header-inner { min-height:92px; display:flex; align-items:center; justify-content:space-between; gap:40px; }
.brand { width:132px; height:48px; }
.brand img { object-fit:contain; object-position:left center; }
.about-header nav { display:flex; align-items:center; gap:clamp(22px,3vw,48px); font-size:16px; font-weight:700; }
.about-header nav a { position:relative; padding:34px 0; }
.about-header nav a::after { content:""; position:absolute; left:0; right:100%; bottom:23px; height:2px; background:var(--purple); transition:right .25s ease; }
.about-header nav a:hover::after,.about-header nav a[aria-current="page"]::after { right:0; }
.about-header nav a[aria-current="page"] { color:var(--purple); }

.about-hero { position:relative; min-height:760px; display:flex; align-items:center; overflow:hidden; color:#fff; background:var(--purple-dark); }
.hero-image,.hero-overlay { position:absolute; inset:0; }
.hero-image img { object-position:center; }
.hero-overlay { background:linear-gradient(90deg,rgba(30,7,43,.94) 0%,rgba(48,13,66,.78) 38%,rgba(48,13,66,.08) 76%); }
.hero-content { position:relative; z-index:2; padding:90px 0 140px; }
.hero-content h1 { max-width:800px; margin:16px 0 28px; font-size:clamp(54px,6vw,92px); line-height:1.12; letter-spacing:-.045em; }
.hero-content h1 span { color:var(--lime); }
.hero-content p { max-width:660px; margin:0; color:rgba(255,255,255,.82); font-size:19px; line-height:1.9; }
.hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:35px; }
.hero-actions a { padding:14px 22px; border:1px solid #fff; font-weight:800; }
.hero-actions a:first-child { color:var(--purple-dark); border-color:var(--lime); background:var(--lime); }
.hero-actions a:hover { color:var(--purple-dark); background:#fff; }
.hero-principles { position:absolute; z-index:2; left:50%; bottom:0; width:min(1480px,calc(100% - 72px)); display:grid; grid-template-columns:repeat(3,1fr); transform:translateX(-50%); background:rgba(255,255,255,.96); color:var(--ink); }
.hero-principles div { padding:24px 28px; border-right:1px solid var(--line); }
.hero-principles div:last-child { border-right:0; }
.hero-principles strong,.hero-principles span { display:block; }
.hero-principles strong { color:var(--purple); font-size:20px; }
.hero-principles span { margin-top:4px; color:var(--muted); font-size:14px; }

.identity-section,.difference-section,.story-section,.services-section,.method-section,.future-section,.values-section { padding:125px 0; }
.identity-layout { display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(60px,8vw,140px); align-items:start; }
.sticky-heading { position:sticky; top:140px; }
.section-heading h2,.story-copy h2,.method-intro h2,.future-copy h2 { margin:13px 0 0; font-size:clamp(38px,4.2vw,62px); line-height:1.23; letter-spacing:-.025em; }
.identity-copy .lead,.story-copy .lead { margin:0 0 25px; color:var(--purple); font-size:clamp(23px,2.2vw,32px); font-weight:800; line-height:1.55; }
.identity-copy > p:not(.lead),.story-copy > p:not(.lead),.future-copy > p { color:var(--muted); font-size:17px; line-height:1.95; }
.identity-quote { margin-top:38px; padding:28px; border-left:5px solid var(--purple); background:var(--purple-soft); }
.identity-quote span,.identity-quote strong { display:block; }
.identity-quote span { color:var(--purple); font-size:13px; font-weight:900; letter-spacing:.1em; }
.identity-quote strong { margin-top:10px; font-size:23px; line-height:1.65; }

.difference-section { background:var(--surface); scroll-margin-top:90px; }
.section-heading.centered { max-width:900px; margin:0 auto 55px; text-align:center; }
.section-heading.centered p { margin:20px auto 0; color:var(--muted); font-size:17px; line-height:1.8; }
.difference-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; }
.difference-grid article { position:relative; min-height:300px; padding:35px 37px 75px; overflow:hidden; border:1px solid var(--line); border-radius:18px; background:#fff; transition:transform .25s ease,box-shadow .25s ease; }
.difference-grid article:hover { transform:translateY(-6px); box-shadow:0 22px 48px rgba(42,20,51,.1); }
.difference-number { color:#b7a9bd; font-size:13px; font-weight:900; letter-spacing:.15em; }
.difference-grid h3 { max-width:520px; margin:22px 0 13px; color:var(--purple); font-size:27px; line-height:1.35; }
.difference-grid p { max-width:600px; margin:0; color:var(--muted); font-size:16px; line-height:1.8; }
.difference-label { position:absolute; left:37px; bottom:30px; padding:7px 13px; border-radius:999px; color:var(--purple); background:var(--purple-soft); font-size:13px; font-weight:800; }
.difference-grid article::after { content:""; position:absolute; right:-50px; bottom:-50px; width:145px; height:145px; border-radius:50%; background:rgba(96,25,134,.05); }

.story-layout { display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(60px,7vw,115px); align-items:center; }
.story-layout figure { min-height:650px; overflow:hidden; border-radius:20px; }
.story-copy > p:not(.lead) { margin:22px 0; }
.story-copy ul { margin:30px 0 0; padding:0; list-style:none; }
.story-copy li { position:relative; padding:14px 0 14px 30px; border-bottom:1px solid var(--line); font-weight:700; }
.story-copy li::before { content:"✓"; position:absolute; left:2px; color:var(--purple); font-weight:900; }

.services-section { color:#fff; background:linear-gradient(140deg,#21092f,#4c1467); }
.split-heading { display:flex; align-items:end; justify-content:space-between; gap:60px; margin-bottom:55px; }
.split-heading .eyebrow { color:var(--lime); }
.split-heading h2 { color:#fff; }
.split-heading > p { max-width:620px; margin:0; color:rgba(255,255,255,.7); font-size:16px; line-height:1.8; }
.service-roadmap { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); }
.service-roadmap article { position:relative; min-height:370px; padding:32px 27px 70px; border-top:1px solid rgba(255,255,255,.2); border-right:1px solid rgba(255,255,255,.15); }
.service-roadmap article:last-child { border-right:0; }
.service-index { color:var(--lime); font-size:13px; font-weight:900; letter-spacing:.15em; }
.service-roadmap h3 { margin:35px 0 18px; font-size:24px; line-height:1.4; }
.service-roadmap p { color:rgba(255,255,255,.67); font-size:15px; line-height:1.8; }
.service-roadmap span { position:absolute; left:27px; bottom:28px; color:var(--lime); font-size:14px; font-weight:800; }

.method-section { background:var(--purple); color:#fff; }
.method-layout { display:grid; grid-template-columns:.75fr 1.25fr; gap:clamp(65px,8vw,140px); }
.method-intro { position:sticky; top:140px; align-self:start; }
.method-intro p { max-width:520px; color:rgba(255,255,255,.68); font-size:17px; line-height:1.8; }
.method-flow { margin:0; padding:0; list-style:none; }
.method-flow li { display:grid; grid-template-columns:80px 1fr; gap:25px; padding:28px 0; border-bottom:1px solid rgba(255,255,255,.2); }
.method-flow li > span { color:var(--lime); font-size:13px; font-weight:900; }
.method-flow h3 { margin:0 0 7px; font-size:25px; }
.method-flow p { margin:0; color:rgba(255,255,255,.65); line-height:1.7; }

.future-section { background:#fff; }
.future-layout { display:grid; grid-template-columns:.9fr 1.1fr; gap:clamp(60px,7vw,115px); align-items:center; }
.future-layout figure { min-height:620px; overflow:hidden; border-radius:20px; }
.future-copy > p { margin:25px 0 35px; }
.future-points { display:grid; gap:12px; }
.future-points article { padding:20px 21px; border-left:4px solid var(--purple); background:var(--surface); }
.future-points strong,.future-points span { display:block; }
.future-points strong { color:var(--purple); font-size:18px; }
.future-points span { margin-top:6px; color:var(--muted); font-size:14px; line-height:1.65; }

.values-section { color:#fff; background:#1c1a1e; }
.values-layout { display:grid; grid-template-columns:.65fr 1.35fr; gap:80px; }
.values-layout h2 { margin:12px 0 0; font-size:clamp(36px,4vw,58px); }
.value-list { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1px; background:rgba(255,255,255,.15); }
.value-list article { padding:28px; background:#1c1a1e; }
.value-list span { color:var(--lime); font-size:12px; font-weight:900; }
.value-list h3 { margin:18px 0 9px; font-size:24px; }
.value-list p { margin:0; color:rgba(255,255,255,.62); font-size:14px; line-height:1.7; }

.about-cta { padding:100px 0; background:var(--lime); }
.cta-layout { display:flex; align-items:center; justify-content:space-between; gap:50px; }
.about-cta h2 { margin:12px 0 16px; font-size:clamp(34px,4vw,58px); line-height:1.25; }
.about-cta p { max-width:780px; margin:0; color:#4d513f; font-size:16px; line-height:1.8; }
.about-cta a { flex:none; padding:18px 25px; color:#fff; background:var(--purple); font-weight:900; }
.about-cta a span { margin-left:18px; }
.about-cta a:hover { background:var(--purple-dark); }

.about-footer { padding:50px 0; color:#ddd; background:#1c1a1d; }
.footer-layout { display:grid; grid-template-columns:160px 1fr auto; align-items:center; gap:45px; }
.footer-brand { display:block; width:362px; height:56px; }
.footer-brand img { object-fit:contain; object-position:left center; }
.about-footer nav { display:flex; justify-content:center; flex-wrap:wrap; gap:28px; }
.about-footer nav a:hover { color:#fff; }
.about-footer p { margin:0; color:#999; font-size:13px; }

@media (max-width:1050px) {
    .identity-layout,.method-layout,.values-layout { grid-template-columns:1fr; }
    .sticky-heading,.method-intro { position:static; }
    .story-layout,.future-layout { grid-template-columns:1fr; }
    .story-layout figure,.future-layout figure { min-height:520px; }
    .service-roadmap { grid-template-columns:repeat(2,1fr); }
    .service-roadmap article:nth-child(2) { border-right:0; }
    .values-layout { gap:45px; }
}

@media (max-width:800px) {
    .about-shell { width:min(100% - 42px,720px); }
    .header-inner { min-height:74px; }
    .brand { width:105px; height:40px; }
    .about-header nav { gap:17px; font-size:14px; }
    .about-header nav a { padding:27px 0; }
    .about-header nav a::after { bottom:18px; }
    .about-header nav a:first-child,.about-header nav a:nth-child(3),.about-header nav a:nth-child(4) { display:none; }
    .about-hero { min-height:700px; }
    .hero-content { padding-bottom:185px; }
    .hero-overlay { background:linear-gradient(90deg,rgba(30,7,43,.92),rgba(48,13,66,.55)); }
    .hero-principles { width:calc(100% - 42px); }
    .identity-section,.difference-section,.story-section,.services-section,.method-section,.future-section,.values-section { padding:85px 0; }
    .difference-grid { grid-template-columns:1fr; }
    .split-heading { display:block; }
    .split-heading > p { margin-top:20px; }
    .cta-layout { display:block; }
    .about-cta a { display:inline-block; margin-top:30px; }
    .footer-layout { grid-template-columns:130px 1fr; }
    .about-footer p { grid-column:1 / -1; text-align:center; }
}

@media (max-width:580px) {
    .about-shell { width:calc(100% - 36px); }
    .about-header nav { gap:15px; font-size:13px; }
    .about-hero { min-height:760px; align-items:flex-start; }
    .hero-image img { object-position:62% center; }
    .hero-content { padding-top:85px; padding-bottom:225px; }
    .hero-content p { font-size:17px; }
    .hero-principles { width:calc(100% - 36px); grid-template-columns:1fr; }
    .hero-principles div { padding:14px 18px; border-right:0; border-bottom:1px solid var(--line); }
    .hero-principles div:last-child { border-bottom:0; }
    .story-layout figure,.future-layout figure { min-height:380px; }
    .service-roadmap,.value-list { grid-template-columns:1fr; }
    .service-roadmap article { min-height:310px; border-right:0; }
    .method-flow li { grid-template-columns:48px 1fr; gap:15px; }
    .footer-layout { display:flex; flex-direction:column; gap:25px; }
    .footer-brand { width:130px; }
}