:root {
  --blue: #2980FE;
  --blue-dark: #1767D6;
  --blue-soft: #EAF3FF;
  --blue-pale: #F5F8FD;
  --gray-soft: #F7F9FC;
  --white: #FFFFFF;
  --text: #172033;
  --body: #465266;
  --muted: #718096;
  --border: #DCE6F2;
  --footer: #10233F;
  --shadow: 0 18px 45px rgba(23, 103, 214, .10);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--white); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif; line-height: 1.7; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
p { color: var(--body); margin: 0 0 1rem; }
h1, h2, h3 { margin: 0 0 1rem; line-height: 1.2; letter-spacing: -.025em; }
h1 { font-size: clamp(2.45rem, 5vw, 4.7rem); }
h2 { font-size: clamp(1.85rem, 3.2vw, 3rem); }
h3 { font-size: 1.25rem; }
ul { margin: 0; padding-left: 1.2rem; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 9999; background: var(--text); color: #fff; padding: .7rem 1rem; border-radius: 10px; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(220,230,242,.85); backdrop-filter: blur(16px); }
.header-inner { width: min(calc(100% - 32px), var(--container)); min-height: 78px; margin: 0 auto; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 154px; max-height: 44px; object-fit: contain; object-position: left center; }
.desktop-nav { flex: 1; display: flex; align-items: center; justify-content: center; gap: 2px; white-space: nowrap; }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; font-size: .93rem; font-weight: 700; color: #40506a; border-radius: 10px; }
.nav-link:hover, .nav-link:focus, .nav-link.is-active { color: var(--blue-dark); background: var(--blue-soft); outline: none; }
.nav-group { position: relative; }
.mega-menu { position: absolute; top: calc(100% + 14px); left: 50%; width: 650px; transform: translate(-50%, 8px); display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 8px; padding: 18px; border: 1px solid var(--border); border-radius: 22px; background: #fff; box-shadow: var(--shadow); opacity: 0; visibility: hidden; pointer-events: none; transition: .18s ease; }
.mega-menu:before { content: ""; position: absolute; inset: -16px 0 auto; height: 16px; }
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.mega-menu.compact { width: 570px; }
.mega-menu.align-right { left: auto; right: 0; transform: translate(0, 8px); }
.nav-group:hover .mega-menu.align-right, .nav-group:focus-within .mega-menu.align-right { transform: translate(0,0); }
.mega-menu a, .mega-intro { min-height: 86px; padding: 14px; border-radius: 15px; }
.mega-menu a:hover, .mega-menu a:focus { background: var(--blue-pale); outline: none; }
.mega-menu strong { display: block; margin-bottom: 4px; }
.mega-menu span, .mega-intro p { color: var(--muted); font-size: .84rem; line-height: 1.5; }
.mega-intro { grid-row: span 2; color: #fff; background: linear-gradient(145deg, var(--blue), var(--blue-dark)); }
.mega-intro p { color: rgba(255,255,255,.82); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 800; transition: .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--blue), var(--blue-dark)); box-shadow: 0 12px 26px rgba(41,128,254,.22); }
.btn-secondary { color: var(--blue-dark); border-color: #bcd7fb; background: #fff; }
.btn-text { color: var(--blue-dark); padding-inline: 0; }
.btn-small { min-height: 42px; padding: 0 18px; font-size: .92rem; }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 1px solid var(--border); border-radius: 13px; background: #fff; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.menu-toggle span { width: 20px; height: 2px; background: var(--text); border-radius: 10px; }
.menu-backdrop { position: fixed; inset: 0; z-index: 1090; background: rgba(16,35,63,.45); }
.mobile-menu { position: fixed; top: 0; right: 0; z-index: 1100; width: min(92vw, 430px); height: 100dvh; background: #fff; transform: translateX(105%); transition: transform .25s ease; box-shadow: -25px 0 60px rgba(16,35,63,.18); overflow-y: auto; }
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu-head { position: sticky; top: 0; z-index: 1; min-height: 76px; padding: 14px 18px; display: flex; align-items: center; justify-content: space-between; background: #fff; border-bottom: 1px solid var(--border); }
.menu-close { width: 46px; height: 46px; border: 0; border-radius: 13px; background: var(--blue-soft); color: var(--blue-dark); font-size: 2rem; line-height: 1; }
.mobile-menu-body { padding: 18px; }
.mobile-home, .mobile-menu summary { min-height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; border-radius: 13px; font-weight: 800; }
.mobile-home:hover, .mobile-menu summary:hover { background: var(--blue-pale); }
.mobile-menu details { border-bottom: 1px solid var(--border); }
.mobile-menu details > div { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 0 8px 14px; }
.mobile-menu details a { min-height: 44px; padding: 10px 12px; border-radius: 10px; color: var(--body); background: var(--gray-soft); }
.mobile-download { width: 100%; margin-top: 20px; }
main { overflow: clip; }
.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-blue { background: var(--blue-pale); }
.section-dark { color: #fff; background: linear-gradient(145deg, #163a6a, var(--footer)); }
.section-dark p, .section-dark li { color: rgba(255,255,255,.78); }
.section-heading { max-width: 760px; margin-bottom: 40px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--blue-dark); font-size: .84rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow:before { content: ""; width: 30px; height: 2px; background: currentColor; }
.hero { position: relative; padding: 74px 0 54px; background: radial-gradient(circle at 82% 18%, rgba(41,128,254,.16), transparent 28%), linear-gradient(180deg, #fff, var(--blue-pale)); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 62px; align-items: center; }
.hero-copy p { max-width: 700px; font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 24px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tag { padding: 8px 12px; border: 1px solid var(--border); border-radius: 999px; color: #46617e; background: rgba(255,255,255,.78); font-size: .86rem; font-weight: 700; }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-visual:before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: linear-gradient(145deg, rgba(41,128,254,.22), rgba(255,255,255,.3)); filter: blur(2px); }
.hero-visual img { position: relative; z-index: 1; max-height: 500px; object-fit: contain; }
.float-note { position: absolute; z-index: 2; max-width: 190px; padding: 13px 15px; border: 1px solid rgba(220,230,242,.9); border-radius: 16px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); color: #36516f; font-size: .85rem; font-weight: 800; backdrop-filter: blur(12px); }
.float-note.one { top: 12%; left: -3%; }
.float-note.two { top: 46%; right: -5%; }
.float-note.three { bottom: 8%; left: 7%; }
.capability-strip { position: relative; margin-top: -4px; }
.capability-grid { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--border); border-radius: 22px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.capability-item { padding: 24px; }
.capability-item + .capability-item { border-left: 1px solid var(--border); }
.capability-item p { margin: 0; font-size: .92rem; }
.category-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 18px; }
.category-card { min-height: 230px; padding: 26px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; box-shadow: 0 12px 30px rgba(23,103,214,.06); display: flex; flex-direction: column; justify-content: space-between; }
.category-card { grid-column: span 4; }
.category-card.featured { grid-column: span 6; background: linear-gradient(145deg, var(--blue), var(--blue-dark)); color: #fff; }
.category-card:nth-child(2), .category-card:nth-child(3), .category-card:nth-child(4) { grid-column: span 2; }
.category-card:nth-child(5), .category-card:nth-child(6), .category-card:nth-child(7) { grid-column: span 4; }
.category-card:nth-child(8) { grid-column: span 3; }
.category-card:nth-child(9) { grid-column: span 4; }
.category-card:nth-child(10) { grid-column: span 5; }
.category-card.featured p { color: rgba(255,255,255,.82); }
.category-card.wide { min-height: 250px; }
.category-card:nth-child(3n) { background: var(--blue-pale); }
.category-link { color: var(--blue-dark); font-weight: 900; }
.category-card.featured .category-link { color: #fff; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse .media { order: 2; }
.media-panel { min-height: 470px; display: grid; place-items: center; padding: 36px; border-radius: var(--radius-lg); background: linear-gradient(145deg, #dcecff, #fff); overflow: hidden; }
.media-panel img { max-height: 410px; object-fit: contain; }
.content-panel { padding: 38px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); }
.check-list { display: grid; gap: 11px; list-style: none; padding: 0; margin: 22px 0; }
.check-list li { position: relative; padding-left: 32px; color: var(--body); }
.check-list li:before { content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; color: var(--blue-dark); background: var(--blue-soft); font-weight: 900; }
.dual-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; }
.topic-panel { padding: 34px; border-radius: var(--radius-lg); background: var(--blue-pale); border: 1px solid var(--border); }
.topic-panel.offset { transform: translateY(36px); background: #fff; box-shadow: var(--shadow); }
.topic-panel.large { min-height: 430px; }
.topic-panel .icon-label { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 15px; color: #fff; background: var(--blue); font-weight: 900; }
.security-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 34px; align-items: start; }
.security-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.security-point { padding: 18px; border: 1px solid rgba(255,255,255,.16); border-radius: 15px; background: rgba(255,255,255,.06); }
.security-point strong { display: block; margin-bottom: 5px; }
.process { display: grid; grid-template-columns: repeat(6,1fr); gap: 14px; }
.step { position: relative; padding: 24px 18px; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.step-number { width: 38px; height: 38px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 12px; color: #fff; background: var(--blue); font-weight: 900; }
.step p { font-size: .89rem; }
.timeline { border-left: 2px solid #bcd7fb; margin-left: 10px; }
.timeline-item { position: relative; padding: 0 0 30px 32px; }
.timeline-item:before { content: ""; position: absolute; left: -8px; top: 5px; width: 14px; height: 14px; border: 3px solid #fff; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 1px var(--blue); }
.timeline-item time { color: var(--blue-dark); font-size: .82rem; font-weight: 900; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.review { padding: 24px; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.review:nth-child(even) { transform: translateY(16px); background: var(--blue-pale); }
.review p { margin: 0; }
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item > button { width: 100%; min-height: 68px; padding: 14px 4px; border: 0; background: transparent; display: flex; align-items: center; justify-content: space-between; gap: 20px; text-align: left; color: var(--text); font-weight: 850; }
.faq-item > button:after { content: "+"; flex: 0 0 auto; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: var(--blue-dark); background: var(--blue-soft); font-size: 1.35rem; }
.faq-item.is-open > button:after { content: "−"; }
.faq-answer { display: none; padding: 0 54px 22px 4px; }
.faq-item.is-open .faq-answer { display: block; }
.cta { padding: 58px; border-radius: var(--radius-lg); text-align: center; background: linear-gradient(135deg, var(--blue), var(--blue-dark)); color: #fff; box-shadow: 0 26px 60px rgba(23,103,214,.24); }
.cta p { max-width: 680px; margin: 0 auto 24px; color: rgba(255,255,255,.83); }
.cta .btn-secondary { border-color: #fff; }
.page-hero { padding: 76px 0 60px; background: radial-gradient(circle at 80% 10%, rgba(41,128,254,.18), transparent 26%), linear-gradient(180deg,#fff,var(--blue-pale)); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.page-hero h1 { font-size: clamp(2.35rem, 4.6vw, 4.2rem); }
.page-hero-card { padding: 30px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: rgba(255,255,255,.85); box-shadow: var(--shadow); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: .86rem; }
.info-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.info-card { padding: 25px; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.info-card:nth-child(2n) { background: var(--blue-pale); }
.number-list { counter-reset: item; display: grid; gap: 16px; padding: 0; list-style: none; }
.number-list li { counter-increment: item; position: relative; padding: 20px 20px 20px 72px; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
.number-list li:before { content: counter(item); position: absolute; left: 20px; top: 20px; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; color: #fff; background: var(--blue); font-weight: 900; }
.compare-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 18px; border-style: hidden; box-shadow: 0 0 0 1px var(--border); }
.compare-table th, .compare-table td { padding: 16px; border: 1px solid var(--border); text-align: left; vertical-align: top; }
.compare-table th { background: var(--blue-soft); }
.notice { padding: 20px 22px; border-left: 4px solid var(--blue); border-radius: 0 14px 14px 0; background: var(--blue-pale); }
.resource-list { display: grid; gap: 10px; }
.resource-list a { display: flex; justify-content: space-between; align-items: center; min-height: 58px; padding: 12px 18px; border: 1px solid var(--border); border-radius: 14px; background: #fff; font-weight: 800; }
.resource-list a:hover { border-color: #9fc5f7; color: var(--blue-dark); }
.site-footer { padding: 70px 0 0; color: #fff; background: var(--footer); }
.footer-inner { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 1.9fr; gap: 70px; }
.footer-brand p { max-width: 480px; color: rgba(255,255,255,.68); }
.footer-logo { margin-bottom: 20px; padding: 10px; border-radius: 14px; background: #fff; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.footer-links h2 { font-size: 1rem; }
.footer-links a { display: block; margin: 10px 0; color: rgba(255,255,255,.68); }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(calc(100% - 32px), var(--container)); margin: 50px auto 0; padding: 22px 0 28px; display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.55); font-size: .85rem; }
@media (max-width: 1120px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: flex; }
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .process { grid-template-columns: repeat(3,1fr); }
  .category-grid { grid-template-columns: repeat(2,1fr); }
  .category-card, .category-card.featured, .category-card.wide, .category-card:nth-child(n) { grid-column: span 1; }
}
@media (max-width: 820px) {
  .section { padding: 72px 0; }
  .header-inner { min-height: 70px; }
  .brand img { width: 136px; }
  .hero { padding-top: 48px; }
  .hero-grid, .page-hero-grid, .split, .dual-grid, .security-grid, .footer-inner { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy p { margin-inline: auto; }
  .hero-actions, .tag-row { justify-content: center; }
  .hero-visual { min-height: 430px; }
  .float-note.one { left: 2%; }
  .float-note.two { right: 2%; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
  .capability-item:nth-child(4) { border-top: 1px solid var(--border); }
  .split.reverse .media { order: 0; }
  .topic-panel.offset, .review:nth-child(even) { transform: none; }
  .review-grid, .info-grid { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 560px) {
  .header-inner { width: min(calc(100% - 20px), var(--container)); gap: 8px; }
  .header-actions { gap: 7px; }
  .btn-small { min-height: 42px; padding: 0 13px; font-size: .84rem; }
  .menu-toggle { width: 42px; height: 42px; }
  .brand img { width: 118px; }
  .container { width: min(calc(100% - 24px), var(--container)); }
  .section { padding: 58px 0; }
  .hero { padding: 36px 0 34px; }
  .hero-actions .btn { width: 100%; }
  .hero-visual { min-height: 380px; }
  .hero-visual:before { width: 310px; height: 310px; }
  .hero-visual img { max-height: 340px; }
  .float-note { position: static; max-width: none; width: calc(50% - 6px); font-size: .76rem; padding: 10px; }
  .hero-visual { grid-template-columns: 1fr 1fr; gap: 12px; align-content: center; }
  .hero-visual img { grid-column: 1 / -1; }
  .capability-grid, .category-grid, .review-grid, .info-grid, .security-points, .process, .footer-links { grid-template-columns: 1fr; }
  .capability-item + .capability-item { border-left: 0; border-top: 1px solid var(--border); }
  .media-panel { min-height: 330px; padding: 22px; }
  .content-panel, .topic-panel { padding: 24px; }
  .process { gap: 12px; }
  .step { padding: 20px; }
  .cta { padding: 38px 22px; }
  .footer-inner { gap: 40px; }
  .footer-bottom { flex-direction: column; }
  .mobile-menu details > div { grid-template-columns: 1fr; }
}