:root {
  --blue: #2980FE;
  --blue-dark: #1767D6;
  --blue-soft: #EAF3FF;
  --blue-ghost: #F5F8FD;
  --gray: #F7F9FC;
  --ink: #172033;
  --text: #465266;
  --muted: #718096;
  --line: #DCE6F2;
  --footer: #10233F;
  --white: #FFFFFF;
  --shadow: 0 18px 50px rgba(23, 103, 214, .09);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--white); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; line-height: 1.72; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; top: 10px; left: 10px; padding: 10px 16px; background: var(--ink); color: var(--white); border-radius: 10px; transform: translateY(-160%); z-index: 9999; }
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.section { padding: 96px 0; }
.section-sm { padding: 66px 0; }
.section-soft { background: var(--blue-ghost); }
.section-blue { background: linear-gradient(135deg, #EAF3FF 0%, #F9FBFF 74%); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-dark); font-weight: 800; letter-spacing: .04em; font-size: .9rem; }
.eyebrow::before { content: ""; width: 26px; height: 3px; border-radius: 3px; background: var(--blue); }
h1, h2, h3 { color: var(--ink); line-height: 1.24; margin-top: 0; }
h1 { font-size: clamp(2.45rem, 5vw, 4.65rem); letter-spacing: -.045em; margin-bottom: 22px; }
h2 { font-size: clamp(2rem, 3.5vw, 3.15rem); letter-spacing: -.03em; margin-bottom: 20px; }
h3 { font-size: 1.25rem; margin-bottom: 10px; }
p { margin-top: 0; }
.lead { font-size: clamp(1.08rem, 1.4vw, 1.28rem); color: var(--text); max-width: 760px; }
.section-head { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 44px; }
.section-head > div:first-child { max-width: 740px; }
.section-head p { margin-bottom: 0; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-dark); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.download-btn, .primary-btn, .secondary-btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 12px 24px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.download-btn, .primary-btn { background: var(--blue); color: var(--white); box-shadow: 0 11px 26px rgba(41,128,254,.22); }
.download-btn:hover, .primary-btn:hover { transform: translateY(-2px); background: var(--blue-dark); }
.secondary-btn { color: var(--blue-dark); background: var(--white); border: 1px solid var(--line); }
.secondary-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.92); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(220,230,242,.78); }
.header-inner { width: min(calc(100% - 32px), 1320px); margin: 0 auto; height: 76px; display: flex; align-items: center; gap: 24px; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand img { width: 148px; max-height: 44px; object-fit: contain; object-position: left center; }
.desktop-nav { flex: 1; display: flex; align-items: stretch; justify-content: center; gap: 2px; height: 100%; white-space: nowrap; }
.nav-link { position: relative; display: inline-flex; align-items: center; padding: 0 12px; color: #354158; font-weight: 750; font-size: .94rem; }
.nav-link::after { content: ""; position: absolute; height: 3px; left: 12px; right: 12px; bottom: 0; background: var(--blue); border-radius: 3px 3px 0 0; transform: scaleX(0); transition: transform .2s ease; }
.nav-link:hover, .nav-link.is-active, .nav-group.is-active > .nav-link { color: var(--blue-dark); }
.nav-link:hover::after, .nav-link.is-active::after, .nav-group.is-active > .nav-link::after { transform: scaleX(1); }
.nav-group { position: relative; display: flex; align-items: stretch; }
.mega-menu { position: absolute; top: calc(100% - 1px); left: 50%; width: 650px; transform: translate(-50%, 12px); display: grid; grid-template-columns: 190px 1fr; gap: 22px; padding: 22px; border: 1px solid var(--line); border-radius: 0 0 22px 22px; background: var(--white); box-shadow: 0 24px 70px rgba(23, 50, 82, .16); opacity: 0; visibility: hidden; pointer-events: none; transition: .18s ease; }
.mega-menu-right { left: auto; right: -120px; transform: translateY(12px); }
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.nav-group:hover .mega-menu-right, .nav-group:focus-within .mega-menu-right { transform: translateY(0); }
.mega-intro { padding: 16px; border-radius: 16px; background: linear-gradient(145deg, var(--blue), var(--blue-dark)); color: var(--white); }
.mega-intro strong { display: block; margin-bottom: 10px; font-size: 1.1rem; }
.mega-intro span { display: block; font-size: .88rem; opacity: .9; line-height: 1.6; }
.mega-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mega-links a { padding: 12px 14px; border-radius: 12px; }
.mega-links a:hover, .mega-links a:focus { background: var(--blue-soft); }
.mega-links b, .mega-links span { display: block; }
.mega-links b { color: var(--ink); }
.mega-links span { color: var(--muted); font-size: .82rem; line-height: 1.5; margin-top: 2px; }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.header-download { min-height: 44px; padding: 10px 18px; }
.menu-toggle { width: 46px; height: 46px; border: 1px solid var(--line); background: var(--white); border-radius: 14px; display: none; align-items: center; justify-content: center; flex-direction: column; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; }
.menu-overlay { position: fixed; inset: 0; z-index: 1090; background: rgba(16,35,63,.46); opacity: 0; transition: opacity .2s ease; }
.menu-overlay.is-visible { opacity: 1; }
.mobile-menu { position: fixed; z-index: 1100; top: 0; right: 0; bottom: 0; width: min(92vw, 430px); background: var(--white); padding: 20px; overflow-y: auto; transform: translateX(105%); transition: transform .25s ease; box-shadow: -24px 0 70px rgba(16,35,63,.18); }
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.menu-close { width: 46px; height: 46px; border: 0; border-radius: 14px; background: var(--blue-soft); color: var(--ink); font-size: 1.8rem; cursor: pointer; }
.mobile-home, .mobile-group-toggle { width: 100%; min-height: 54px; display: flex; align-items: center; justify-content: space-between; padding: 12px 4px; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--ink); font-weight: 800; text-align: left; }
.mobile-group-toggle { cursor: pointer; }
.mobile-submenu { display: none; grid-template-columns: 1fr 1fr; gap: 8px; padding: 12px 0 18px; }
.mobile-nav-group.is-expanded .mobile-submenu { display: grid; }
.mobile-submenu a { min-height: 46px; display: flex; align-items: center; padding: 9px 12px; border-radius: 12px; background: var(--blue-ghost); color: var(--text); font-weight: 700; }
.mobile-download { width: 100%; margin-top: 20px; }
.menu-open { overflow: hidden; }
.hero { position: relative; overflow: hidden; padding: 82px 0 76px; background: radial-gradient(circle at 82% 24%, rgba(41,128,254,.2), transparent 29%), linear-gradient(145deg, #F8FBFF 0%, #EAF3FF 58%, #FFFFFF 100%); }
.hero::before { content: ""; position: absolute; width: 420px; height: 420px; border: 1px solid rgba(41,128,254,.16); border-radius: 50%; right: -130px; top: -170px; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 64px; }
.hero-copy .lead { margin-bottom: 20px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-tags span { padding: 8px 13px; border: 1px solid rgba(41,128,254,.18); border-radius: 999px; background: rgba(255,255,255,.78); color: var(--blue-dark); font-weight: 750; font-size: .9rem; }
.hero-visual { position: relative; min-height: 520px; display: flex; align-items: center; justify-content: center; }
.hero-visual::before { content: ""; position: absolute; width: 410px; height: 410px; border-radius: 50%; background: rgba(255,255,255,.75); box-shadow: var(--shadow); }
.hero-visual img { position: relative; z-index: 2; width: min(84%, 420px); max-height: 510px; object-fit: contain; filter: drop-shadow(0 30px 28px rgba(16,35,63,.18)); }
.float-note { position: absolute; z-index: 3; width: 180px; padding: 14px 16px; border: 1px solid rgba(220,230,242,.9); border-radius: 16px; background: rgba(255,255,255,.9); box-shadow: 0 14px 35px rgba(23,50,82,.1); color: var(--ink); font-weight: 800; font-size: .88rem; }
.float-note small { display: block; margin-top: 3px; color: var(--muted); font-weight: 600; }
.note-one { top: 12%; left: -2%; }.note-two { right: -2%; top: 38%; }.note-three { bottom: 10%; left: 5%; }
.capability-bar { position: relative; z-index: 5; margin-top: -34px; }
.capability-grid { display: grid; grid-template-columns: repeat(4,1fr); background: var(--white); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; }
.capability-item { padding: 26px; }
.capability-item + .capability-item { border-left: 1px solid var(--line); }
.capability-item strong { color: var(--ink); display: block; margin-bottom: 6px; font-size: 1.05rem; }
.capability-item p { margin: 0; color: var(--muted); font-size: .92rem; }
.category-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.category-card { position: relative; min-height: 220px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); overflow: hidden; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.category-card:hover { transform: translateY(-5px); border-color: rgba(41,128,254,.4); box-shadow: var(--shadow); }
.category-card::after { content: attr(data-index); position: absolute; right: 18px; bottom: 4px; color: rgba(41,128,254,.08); font-size: 4.5rem; font-weight: 900; line-height: 1; }
.category-card.featured { grid-column: span 2; background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%); border-color: transparent; }
.category-card.featured h3, .category-card.featured p, .category-card.featured .text-link { color: var(--white); }
.category-card.featured p { max-width: 520px; opacity: .9; }
.category-card.wide { grid-column: span 2; min-height: 190px; background: var(--blue-soft); }
.category-card p { position: relative; z-index: 2; color: var(--muted); }
.category-card .text-link { position: relative; z-index: 2; margin-top: 12px; }
.split-feature { display: grid; grid-template-columns: .92fr 1.08fr; gap: 56px; align-items: center; }
.split-feature.reverse { grid-template-columns: 1.08fr .92fr; }
.split-feature.reverse .feature-media { order: 2; }
.feature-media { min-height: 460px; padding: 34px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-lg); background: linear-gradient(145deg, #EAF3FF, #FFFFFF); border: 1px solid var(--line); }
.feature-media img { max-height: 440px; object-fit: contain; }
.content-panel { padding: 36px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow); }
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 30px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; background: var(--blue-soft); color: var(--blue-dark); font-weight: 900; font-size: .78rem; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.topic-card { padding: 38px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: var(--white); }
.topic-card.offset { margin-top: 50px; background: var(--blue-soft); }
.topic-card.dark { color: rgba(255,255,255,.86); background: linear-gradient(145deg, #16345C, var(--footer)); border-color: transparent; }
.topic-card.dark h2, .topic-card.dark h3, .topic-card.dark .text-link { color: var(--white); }
.topic-card.dark .check-list li::before { background: rgba(255,255,255,.16); color: var(--white); }
.media-topic { display: grid; grid-template-columns: 1fr .9fr; gap: 32px; align-items: center; }
.media-topic img { max-height: 330px; margin: auto; object-fit: contain; }
.process { display: grid; grid-template-columns: repeat(6,1fr); gap: 0; }
.process-step { position: relative; padding: 0 18px; }
.process-step:not(:last-child)::after { content: ""; position: absolute; top: 22px; left: 62px; right: -10px; height: 1px; background: var(--line); }
.step-number { position: relative; z-index: 2; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: var(--blue); color: var(--white); font-weight: 900; box-shadow: 0 8px 22px rgba(41,128,254,.22); }
.process-step h3 { margin-top: 18px; font-size: 1rem; }
.process-step p { color: var(--muted); font-size: .9rem; }
.timeline { display: grid; gap: 0; border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 120px 1fr auto; gap: 28px; align-items: center; padding: 24px 0; border-bottom: 1px solid var(--line); }
.timeline-date { color: var(--blue-dark); font-weight: 800; }
.timeline-item h3 { margin-bottom: 5px; }
.timeline-item p { margin: 0; color: var(--muted); }
.quote-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.quote-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); }
.quote-card:nth-child(2n) { background: var(--blue-ghost); }
.quote-card p { color: var(--text); margin-bottom: 14px; }
.quote-card strong { color: var(--blue-dark); font-size: .88rem; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-weight: 850; cursor: pointer; }
.faq-question span { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: var(--blue-soft); color: var(--blue-dark); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .22s ease; }
.faq-answer > div { overflow: hidden; }
.faq-answer p { padding: 0 48px 20px 0; margin: 0; color: var(--muted); }
.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }
.faq-item.is-open .faq-question span { transform: rotate(45deg); }
.page-hero { padding: 86px 0 70px; background: radial-gradient(circle at 90% 10%, rgba(41,128,254,.18), transparent 30%), linear-gradient(145deg, #F9FBFF, #EAF3FF); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.page-hero h1 { font-size: clamp(2.5rem, 4.8vw, 4.25rem); }
.page-hero-aside { padding: 30px; border: 1px solid rgba(255,255,255,.8); border-radius: var(--radius-lg); background: rgba(255,255,255,.72); box-shadow: var(--shadow); }
.page-hero-aside ul { margin: 0; }
.info-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.info-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); }
.info-card:nth-child(3n+2) { background: var(--blue-ghost); }
.number-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.number-card { padding: 30px; border-radius: var(--radius-md); background: var(--blue-ghost); }
.number-card .number { display: inline-flex; margin-bottom: 18px; color: var(--blue); font-size: 2.25rem; font-weight: 900; }
.notice { padding: 28px 30px; border-left: 5px solid var(--blue); border-radius: 0 var(--radius-md) var(--radius-md) 0; background: var(--blue-soft); }
.notice strong { color: var(--ink); }
.compare-table { width: 100%; border-collapse: collapse; border-radius: 18px; overflow: hidden; box-shadow: 0 0 0 1px var(--line); }
.compare-table th, .compare-table td { padding: 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare-table th { background: var(--blue-soft); color: var(--ink); }
.compare-table tr:last-child td { border-bottom: 0; }
.pill-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.pill-list span { padding: 8px 12px; border-radius: 999px; background: var(--blue-soft); color: var(--blue-dark); font-weight: 800; font-size: .88rem; }
.final-cta { padding: 82px 0; background: var(--blue-ghost); }
.final-cta-inner { padding: 58px; border-radius: 30px; text-align: center; background: linear-gradient(145deg, var(--blue) 0%, var(--blue-dark) 100%); color: rgba(255,255,255,.86); box-shadow: 0 24px 70px rgba(41,128,254,.22); }
.final-cta h2, .final-cta .eyebrow { color: var(--white); }
.final-cta .eyebrow::before { background: var(--white); }
.final-cta p { max-width: 760px; margin: 0 auto 26px; }
.final-cta .download-btn { background: var(--white); color: var(--blue-dark); box-shadow: none; }
.site-footer { padding: 72px 0 24px; color: rgba(255,255,255,.7); background: var(--footer); }
.footer-grid { display: grid; grid-template-columns: 1.7fr repeat(3,1fr); gap: 44px; }
.footer-brand img { filter: brightness(0) invert(1); margin-bottom: 18px; }
.footer-brand p { max-width: 340px; }
.footer-grid h2 { color: var(--white); font-size: 1rem; margin-bottom: 16px; }
.footer-grid a { display: block; margin: 8px 0; }
.footer-grid a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding-top: 28px; margin-top: 42px; border-top: 1px solid rgba(255,255,255,.12); font-size: .88rem; }
.footer-bottom p { margin: 0; }

@media (max-width: 1120px) {
  .desktop-nav { display: none; }
  .header-inner { justify-content: space-between; }
  .menu-toggle { display: flex; }
  .hero-grid, .page-hero-grid { gap: 36px; }
  .process { grid-template-columns: repeat(3,1fr); row-gap: 34px; }
  .process-step:nth-child(3)::after { display: none; }
}
@media (max-width: 900px) {
  .section { padding: 78px 0; }
  .hero-grid, .page-hero-grid, .split-feature, .split-feature.reverse, .media-topic { grid-template-columns: 1fr; }
  .split-feature.reverse .feature-media { order: 0; }
  .hero-visual { min-height: 450px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .capability-item:nth-child(4) { border-top: 1px solid var(--line); }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .category-card.featured, .category-card.wide { grid-column: span 2; }
  .dual-grid, .quote-grid, .info-grid, .number-grid { grid-template-columns: 1fr 1fr; }
  .topic-card.offset { margin-top: 0; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { width: calc(100% - 22px); height: 68px; gap: 8px; }
  .brand img { width: 122px; }
  .header-download { min-height: 42px; padding: 8px 14px; font-size: .88rem; }
  .menu-toggle { width: 42px; height: 42px; border-radius: 12px; }
  .section { padding: 66px 0; }
  .section-sm { padding: 52px 0; }
  .hero { padding: 62px 0 58px; }
  h1 { font-size: clamp(2.35rem, 12vw, 3.35rem); }
  h2 { font-size: clamp(1.75rem, 8.5vw, 2.45rem); }
  .hero-visual { min-height: 390px; }
  .hero-visual::before { width: 310px; height: 310px; }
  .hero-visual img { width: 72%; max-height: 360px; }
  .float-note { width: 145px; padding: 10px 12px; font-size: .76rem; }
  .note-one { left: 0; top: 8%; }.note-two { right: 0; top: 42%; }.note-three { left: 4%; bottom: 5%; }
  .capability-bar { margin-top: -22px; }
  .capability-grid, .category-grid, .dual-grid, .quote-grid, .info-grid, .number-grid { grid-template-columns: 1fr; }
  .capability-item + .capability-item { border-left: 0; border-top: 1px solid var(--line); }
  .category-card.featured, .category-card.wide { grid-column: span 1; }
  .category-card { min-height: auto; }
  .section-head { display: block; margin-bottom: 30px; }
  .section-head .text-link { margin-top: 14px; }
  .feature-media { min-height: 340px; padding: 22px; }
  .content-panel, .topic-card { padding: 26px; }
  .process { grid-template-columns: 1fr; gap: 0; }
  .process-step { padding: 0 0 28px 62px; }
  .process-step:not(:last-child)::after { display: block; left: 22px; right: auto; top: 48px; width: 1px; height: calc(100% - 30px); }
  .step-number { position: absolute; left: 0; top: 0; }
  .process-step h3 { margin-top: 0; padding-top: 8px; }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; }
  .timeline-item .text-link { margin-top: 6px; }
  .compare-table { display: block; overflow-x: auto; white-space: nowrap; }
  .final-cta-inner { padding: 40px 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { display: block; }
  .footer-bottom p + p { margin-top: 10px; }
}