:root {
  --ink: #101827;
  --muted: #5f6b7a;
  --line: #dbe4ee;
  --cyan: #00b8e6;
  --blue: #0667c8;
  --violet: #7f3bc8;
  --magenta: #cf3bb4;
  --soft: #f6f9fc;
  --dark: #071322;
  --dark-soft: #0b1f39;
  --white: #fff;
  --container: 1180px;
  --shadow: 0 20px 50px rgba(16, 24, 39, 0.08);
  font-family: "Inter", "Noto Sans TC", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--white);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; min-width: 320px; background: var(--white); line-height: 1.7; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { color: #fff; background: var(--blue); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: -60px; left: 20px; z-index: 200; padding: 10px 16px;
  color: #fff; background: var(--blue); border-radius: 6px; transition: top .2s;
}
.skip-link:focus { top: 12px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100; background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid transparent; transition: box-shadow .25s, border-color .25s;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 10px 30px rgba(16,24,39,.06); }
.nav-shell { width: min(calc(100% - 40px), 1240px); min-height: 80px; margin: auto; display: flex; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; flex: 0 0 auto; }
.brand-mark { width: 38px; height: 38px; }
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong { font-size: 18px; letter-spacing: .04em; }
.brand-copy small { margin-top: 6px; color: var(--muted); font-size: 8px; font-weight: 700; letter-spacing: .2em; }
.site-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.site-nav a { padding: 10px 13px; border-radius: 6px; font-size: 14px; font-weight: 700; text-decoration: none; transition: color .2s, background .2s; }
.site-nav a:hover, .site-nav a.is-active { color: var(--blue); background: rgba(6, 103, 200, .06); }
.site-nav .nav-cta {
  margin-left: 8px; padding-inline: 18px; color: #fff;
  background: linear-gradient(90deg, var(--blue), var(--violet) 58%, var(--magenta));
  box-shadow: 0 10px 24px rgba(6, 103, 200, .22);
}
.site-nav .nav-cta:hover { color: #fff; background: linear-gradient(90deg, #075cac, #6932a8 58%, #af3098); }
.menu-toggle { display: none; width: 42px; height: 42px; margin-left: auto; padding: 10px; border: 0; background: transparent; }
.menu-toggle > span:not(.sr-only) { display: block; width: 22px; height: 2px; margin: 5px 0; background: var(--ink); transition: transform .2s, opacity .2s; }

.hero {
  position: relative; display: flex; min-height: 840px; padding-top: 80px; overflow: hidden;
  color: #fff; background: var(--dark);
}
.hero-image, .hero-overlay, .hero-grid { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: 58% center; }
.hero-overlay { background: linear-gradient(90deg, rgba(7,19,34,.98) 0%, rgba(7,19,34,.9) 32%, rgba(7,19,34,.42) 68%, rgba(7,19,34,.24) 100%), linear-gradient(180deg, rgba(7,19,34,.14), rgba(7,19,34,.68)); }
.hero-grid {
  opacity: .26; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 58px 58px; mask-image: linear-gradient(90deg, #000, transparent 72%);
}
.hero-content { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; padding: 105px 0 80px; }
.hero-copy { max-width: 760px; }
.eyebrow { margin: 0 0 18px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow.light { color: var(--cyan); }
.hero h1 { margin: 0; max-width: 780px; font-size: clamp(42px, 5.2vw, 72px); line-height: 1.13; letter-spacing: -.035em; }
.gradient-text { color: transparent; background: linear-gradient(90deg, var(--cyan), #4db7ff 42%, #c764e4); -webkit-background-clip: text; background-clip: text; }
.hero-lead { max-width: 700px; margin: 28px 0 0; color: #c9d8e7; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px;
  border: 0; border-radius: 7px; font-weight: 700; text-decoration: none; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(90deg, var(--blue), var(--violet) 58%, var(--magenta)); box-shadow: 0 12px 28px rgba(6, 103, 200, .32); }
.button-primary:hover { box-shadow: 0 16px 34px rgba(6,103,200,.4); }
.button-primary span { margin-left: 12px; }
.button-ghost { color: #eaf7ff; border: 1px solid rgba(0,184,230,.38); background: rgba(255,255,255,.08); backdrop-filter: blur(8px); }
.button-ghost:hover { background: rgba(255,255,255,.14); }
.proof-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; max-width: 760px; margin-top: 66px; }
.proof-card { padding: 18px 20px; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; background: rgba(255,255,255,.08); backdrop-filter: blur(12px); }
.proof-card span { display: block; color: var(--cyan); font-size: 11px; font-weight: 800; }
.proof-card strong { display: block; margin-top: 7px; font-size: 18px; }
.proof-card p { margin: 2px 0 0; color: #c9d8e7; font-size: 13px; }
.scroll-cue { position: absolute; z-index: 3; right: 36px; bottom: 34px; display: flex; align-items: center; gap: 12px; color: #c9d8e7; font-size: 10px; letter-spacing: .18em; text-decoration: none; text-transform: uppercase; transform: rotate(90deg); transform-origin: right bottom; }
.scroll-cue i { display: block; width: 40px; height: 1px; background: rgba(255,255,255,.5); }

.outcome-section { background: #fff; }
.outcome-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 72px; align-items: center; }
.outcome-lead { padding: 52px; color: #fff; border-radius: 10px; background: linear-gradient(135deg, var(--dark), #0b2d52 58%, #321747); box-shadow: var(--shadow); }
.outcome-lead h2 { margin: 0; font-size: clamp(30px, 3.6vw, 46px); line-height: 1.3; }
.outcome-lead > p:last-child { margin: 24px 0 0; color: #c9d8e7; }
.outcome-cards { display: grid; gap: 16px; }
.mini-card { display: grid; grid-template-columns: 46px 1fr; gap: 18px; padding: 24px; border: 1px solid var(--line); border-radius: 9px; background: #fff; transition: border-color .2s, transform .2s, box-shadow .2s; }
.mini-card:hover { transform: translateX(5px); border-color: rgba(0,184,230,.42); box-shadow: var(--shadow); }
.mini-icon { display: grid; place-items: center; width: 46px; height: 46px; color: var(--blue); font-size: 20px; font-weight: 800; border: 1px solid rgba(0,184,230,.24); border-radius: 8px; background: linear-gradient(135deg, rgba(0,184,230,.14), rgba(207,59,180,.12)); }
.mini-card h3 { margin: 0 0 5px; font-size: 19px; }
.mini-card p { margin: 0; color: var(--muted); font-size: 14px; }

.soft-section { background: var(--soft); }
.section-header { display: flex; align-items: end; justify-content: space-between; gap: 42px; margin-bottom: 46px; }
.section-header h2, .company-intro h2, .contact-copy h2 { margin: 0; font-size: clamp(32px, 4vw, 50px); line-height: 1.25; letter-spacing: -.025em; }
.section-header > p { max-width: 520px; margin: 0; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.service-card { position: relative; overflow: hidden; min-height: 500px; padding: 30px; border: 1px solid var(--line); border-radius: 10px; background: #fff; box-shadow: 0 14px 34px rgba(16,24,39,.05); transition: transform .25s, border-color .25s, box-shadow .25s; }
.service-card::after { content: ""; position: absolute; inset: auto -40px -80px auto; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(0,184,230,.12), transparent 68%); }
.service-card:hover { transform: translateY(-7px); border-color: rgba(0,184,230,.42); box-shadow: 0 22px 50px rgba(6,103,200,.12); }
.service-card.featured { color: #fff; border-color: rgba(255,255,255,.1); background: linear-gradient(150deg, #071322, #0b2d52 60%, #321747); }
.service-card.featured p, .service-card.featured .feature-list { color: #c9d8e7; }
.service-top { display: flex; align-items: start; justify-content: space-between; margin-bottom: 62px; }
.service-number { color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.featured .service-number { color: #9eb3c9; }
.service-glyph { display: grid; place-items: center; width: 52px; height: 52px; color: var(--blue); font-size: 13px; font-weight: 800; border: 1px solid rgba(0,184,230,.26); border-radius: 8px; background: linear-gradient(135deg, rgba(0,184,230,.14), rgba(207,59,180,.14)); }
.featured .service-glyph { color: #fff; background: rgba(255,255,255,.1); }
.card-label { margin: 0 0 10px; color: var(--violet); font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.service-card h3 { margin: 0 0 14px; font-size: 24px; }
.service-card > p:not(.card-label) { margin: 0; color: var(--muted); font-size: 15px; }
.feature-list { position: relative; z-index: 2; margin: 26px 0 0; padding: 0; color: var(--muted); list-style: none; font-size: 14px; }
.feature-list li { padding: 9px 0 9px 22px; border-top: 1px solid var(--line); }
.featured .feature-list li { border-color: rgba(255,255,255,.15); }
.feature-list li::before { content: ""; display: inline-block; width: 7px; height: 7px; margin: 0 12px 1px -20px; border-radius: 50%; background: linear-gradient(135deg, var(--cyan), var(--magenta)); }

.research-section { color: #fff; background: var(--dark); }
.research-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 70px; align-items: center; }
.research-visual { position: relative; min-height: 600px; overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 10px; background: #0b1f39; }
.research-visual img { width: 100%; height: 100%; min-height: 600px; object-fit: cover; }
.research-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 48%, rgba(7,19,34,.8)); }
.visual-caption { position: absolute; z-index: 2; right: 26px; bottom: 24px; left: 26px; display: flex; align-items: end; justify-content: space-between; }
.visual-caption span { font-size: 42px; font-weight: 800; letter-spacing: -.05em; }
.visual-caption p { margin: 0; color: #c9d8e7; font-size: 12px; letter-spacing: .08em; }
.research-copy h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.24; letter-spacing: -.025em; }
.research-intro { margin: 24px 0 34px; color: #c9d8e7; }
.research-list { border-top: 1px solid rgba(255,255,255,.16); }
.research-list article { display: grid; grid-template-columns: 40px 1fr; gap: 16px; padding: 23px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.research-list article > span { color: var(--cyan); font-size: 12px; font-weight: 800; }
.research-list h3 { margin: 0 0 6px; font-size: 19px; }
.research-list p { margin: 0; color: #9eb3c9; font-size: 14px; }

.process-section { position: relative; overflow: hidden; color: #fff; background: linear-gradient(135deg, #071322, #0b1f39 56%, #241239); }
.process-section::before { content: ""; position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 52px 52px; }
.process-section .container { position: relative; }
.process-header > p { color: #c9d8e7; }
.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.process-grid li { position: relative; min-height: 260px; padding: 28px; border: 1px solid rgba(255,255,255,.15); border-radius: 9px; background: rgba(255,255,255,.07); backdrop-filter: blur(10px); }
.process-grid li:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; top: 30px; right: -13px; display: grid; place-items: center; width: 26px; height: 26px; color: var(--cyan); border-radius: 50%; background: var(--dark-soft); }
.process-grid span { color: var(--cyan); font-size: 13px; font-weight: 800; letter-spacing: .1em; }
.process-grid h3 { margin: 52px 0 10px; font-size: 20px; }
.process-grid p { margin: 0; color: #c9d8e7; font-size: 14px; }

.company-section { background: #fff; }
.company-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 82px; align-items: start; }
.company-intro > p:not(.eyebrow) { margin: 26px 0 0; color: var(--muted); }
.principles { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.principles span { padding: 8px 13px; color: #075b9d; border-radius: 999px; background: rgba(0,184,230,.09); font-size: 13px; font-weight: 700; }
.company-panel { padding: 32px; border: 1px solid var(--line); border-radius: 10px; background: var(--soft); box-shadow: var(--shadow); }
.panel-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.panel-head i { flex: 1; height: 1px; background: var(--line); }
.company-panel dl { margin: 0; }
.company-panel dl > div { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.company-panel dl > div:last-child { border-bottom: 0; }
.company-panel dt { color: var(--muted); font-size: 13px; font-weight: 600; }
.company-panel dd { margin: 0; font-size: 14px; font-weight: 600; }

.contact-section { padding: 112px 0; color: #fff; background: linear-gradient(130deg, #071322, #0b2d52 52%, #321747); }
.contact-shell { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
.contact-copy > p:not(.eyebrow) { margin: 24px 0 0; color: #c9d8e7; }
.contact-copy address { margin-top: 48px; padding-top: 26px; color: #c9d8e7; border-top: 1px solid rgba(255,255,255,.16); font-style: normal; }
.contact-copy address span { display: block; margin-bottom: 8px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.contact-form { padding: 32px; border: 1px solid rgba(255,255,255,.16); border-radius: 10px; background: rgba(255,255,255,.08); backdrop-filter: blur(14px); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: grid; gap: 8px; margin-bottom: 16px; color: #eaf7ff; font-size: 13px; font-weight: 600; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; color: #fff; border: 1px solid rgba(255,255,255,.18); border-radius: 6px; outline: none; background: rgba(7,19,34,.55); transition: border-color .2s, box-shadow .2s; }
.contact-form input, .contact-form select { height: 48px; padding: 0 14px; }
.contact-form textarea { padding: 12px 14px; resize: vertical; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #8297ad; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,184,230,.14); }
.form-submit { width: 100%; margin-top: 4px; }
.form-note { margin: 12px 0 0; color: #8fa4b9; font-size: 11px; text-align: center; }
.form-status { min-height: 24px; margin: 9px 0 0; color: #9de7f8; font-size: 12px; text-align: center; }

.site-footer { padding: 62px 0 24px; color: #c9d8e7; background: #050d17; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: start; }
.brand-footer { color: #fff; }
.brand-footer .brand-copy small { color: #8297ad; }
.footer-grid > div:first-child > p { max-width: 430px; margin: 20px 0 0; color: #8297ad; font-size: 14px; }
.footer-links { display: grid; grid-template-columns: repeat(2, auto); gap: 10px 34px; }
.footer-links a { color: #c9d8e7; font-size: 14px; text-decoration: none; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 48px; padding-top: 20px; color: #71869a; border-top: 1px solid rgba(255,255,255,.1); font-size: 11px; }
.footer-bottom a { color: inherit; text-decoration: none; }

.reveal-ready [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .section { padding: 88px 0; }
  .hero { min-height: 780px; }
  .outcome-grid, .research-grid, .company-grid, .contact-shell { grid-template-columns: 1fr; gap: 48px; }
  .research-visual, .research-visual img { min-height: 470px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card:last-child { grid-column: 1 / -1; min-height: 420px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .process-grid li:not(:last-child)::after { display: none; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 70px; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .nav-shell { width: calc(100% - 28px); min-height: 70px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-copy strong { font-size: 16px; }
  .menu-toggle { display: block; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 70px 0 auto; display: grid; gap: 0; max-height: 0; margin: 0; padding: 0 16px; overflow: hidden; background: rgba(255,255,255,.98); box-shadow: 0 20px 40px rgba(16,24,39,.1); transition: max-height .3s, padding .3s; }
  .site-nav.is-open { max-height: 440px; padding-block: 12px 20px; }
  .site-nav a { padding: 13px 10px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .site-nav .nav-cta { margin: 10px 0 0; border: 0; border-radius: 6px; text-align: center; }
  .hero { min-height: 820px; padding-top: 70px; }
  .hero-image { object-position: 66% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(7,19,34,.98), rgba(7,19,34,.75)), linear-gradient(180deg, rgba(7,19,34,.2), rgba(7,19,34,.8)); }
  .hero-content { padding: 72px 0 74px; }
  .hero h1 { font-size: clamp(38px, 10vw, 52px); }
  .hero-lead { font-size: 16px; }
  .proof-grid { grid-template-columns: 1fr; gap: 8px; margin-top: 42px; }
  .proof-card { display: grid; grid-template-columns: 30px 1fr; align-items: center; padding: 13px 16px; }
  .proof-card strong { margin: 0; }
  .proof-card p { grid-column: 2; }
  .scroll-cue { display: none; }
  .outcome-lead { padding: 34px 28px; }
  .section-header { display: block; }
  .section-header > p { margin-top: 18px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card, .service-card:last-child { grid-column: auto; min-height: 450px; }
  .research-visual, .research-visual img { min-height: 390px; }
  .visual-caption { display: block; }
  .visual-caption p { margin-top: 4px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid li { min-height: 210px; }
  .process-grid h3 { margin-top: 34px; }
  .company-panel { padding: 24px; }
  .company-panel dl > div { grid-template-columns: 1fr; gap: 7px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .section { padding: 72px 0; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .mini-card { grid-template-columns: 38px 1fr; padding: 20px; }
  .mini-icon { width: 38px; height: 38px; }
  .research-visual, .research-visual img { min-height: 320px; }
  .footer-bottom { display: grid; }
}