:root {
  --blue: #2980FE;
  --blue-deep: #1767D6;
  --blue-soft: #EAF3FF;
  --blue-pale: #F5F8FD;
  --gray: #F7F9FC;
  --white: #FFFFFF;
  --ink: #172033;
  --text: #465266;
  --muted: #718096;
  --border: #DCE6F2;
  --footer: #10233F;
  --shadow: 0 18px 50px rgba(31, 91, 165, .10);
  --radius: 24px;
  --container: min(1180px, calc(100% - 40px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", Arial, 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, select { font: inherit; }
button { cursor: pointer; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; padding: 10px 16px; background: var(--ink); color: #fff; border-radius: 10px; }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(220,230,242,.8); backdrop-filter: blur(16px); }
.header-inner { width: var(--container); height: 78px; margin: 0 auto; display: flex; align-items: center; gap: 22px; position: relative; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { max-height: 42px; width: auto; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 4px; flex: 1 1 auto; min-width: 0; white-space: nowrap; }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; padding: 9px 10px; border-radius: 12px; color: #33435a; font-size: 14px; font-weight: 700; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active, .nav-group.is-active > .nav-link { color: var(--blue-deep); background: var(--blue-soft); outline: none; }
.nav-group { position: relative; }
.nav-group > .nav-link::after { content: ""; width: 6px; height: 6px; margin-left: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.mega-menu { position: absolute; top: calc(100% + 14px); left: 50%; width: 640px; transform: translate(-50%, 8px); display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 8px; padding: 14px; background: #fff; border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; pointer-events: none; transition: .18s ease; }
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.mega-menu::before { content: ""; position: absolute; height: 18px; left: 0; right: 0; top: -18px; }
.mega-menu a, .mega-intro { padding: 13px; border-radius: 14px; }
.mega-menu a:hover, .mega-menu a:focus-visible { background: var(--blue-pale); outline: none; }
.mega-menu strong, .mega-menu span { display: block; }
.mega-menu strong { font-size: 14px; }
.mega-menu span { margin-top: 3px; color: var(--muted); font-size: 12px; line-height: 1.45; white-space: normal; }
.mega-intro { grid-row: span 2; color: #fff; background: linear-gradient(145deg, var(--blue), var(--blue-deep)); }
.mega-intro strong { font-size: 19px; }
.mega-intro span { color: rgba(255,255,255,.82); font-size: 13px; }
.header-actions { display: flex; align-items: center; gap: 9px; flex: 0 0 auto; }
.download-btn, .primary-btn, .secondary-btn, .text-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; border-radius: 13px; font-weight: 800; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.download-btn, .primary-btn { padding: 11px 18px; color: #fff; background: linear-gradient(135deg, var(--blue), var(--blue-deep)); box-shadow: 0 10px 24px rgba(41,128,254,.23); }
.download-btn:hover, .primary-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(41,128,254,.30); }
.secondary-btn { padding: 10px 17px; color: var(--blue-deep); border: 1px solid #bcd6fb; background: #fff; }
.secondary-btn:hover { background: var(--blue-soft); }
.text-btn { min-height: auto; justify-content: flex-start; color: var(--blue-deep); border-radius: 0; }
.text-btn::after { content: "→"; margin-left: 8px; }
.more-button, .menu-button, .menu-close { min-width: 44px; min-height: 44px; border: 1px solid var(--border); border-radius: 13px; color: var(--ink); background: #fff; }
.more-button { padding: 0 13px; font-weight: 800; }
.menu-button { display: none; padding: 10px; }
.menu-button span { display: block; width: 20px; height: 2px; margin: 4px auto; background: currentColor; border-radius: 2px; }
.more-panel { position: absolute; right: 0; top: 68px; width: 190px; padding: 8px; background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); }
.more-panel a { display: block; padding: 11px 12px; border-radius: 10px; font-weight: 700; }
.more-panel a:hover { background: var(--blue-pale); color: var(--blue-deep); }
.menu-overlay { position: fixed; inset: 0; z-index: 1190; background: rgba(16,35,63,.46); }
.mobile-menu { position: fixed; inset: 0 0 0 auto; z-index: 1200; width: min(430px, 92vw); display: flex; flex-direction: column; background: #fff; transform: translateX(105%); transition: transform .24s ease; box-shadow: -20px 0 60px rgba(16,35,63,.18); }
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu-head { display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 14px 20px; border-bottom: 1px solid var(--border); }
.menu-close { font-size: 28px; line-height: 1; }
.mobile-menu-body { flex: 1 1 auto; padding: 14px 20px 24px; overflow-y: auto; }
.mobile-home, .mobile-menu summary { display: flex; align-items: center; min-height: 52px; padding: 10px 2px; font-weight: 850; border-bottom: 1px solid var(--border); }
.mobile-menu summary { list-style: none; cursor: pointer; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::after { content: "+"; margin-left: auto; color: var(--blue); font-size: 23px; }
.mobile-menu details[open] summary::after { content: "−"; }
.mobile-menu details div { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px 0 14px; }
.mobile-menu details a { min-height: 44px; padding: 10px 12px; border-radius: 10px; background: var(--blue-pale); color: #2b4160; font-weight: 700; }
.mobile-menu-foot { padding: 15px 20px calc(15px + env(safe-area-inset-bottom)); border-top: 1px solid var(--border); }
.mobile-menu-foot .download-btn { width: 100%; }
main { min-height: 60vh; }
.container { width: var(--container); margin: 0 auto; }
.section { padding: 88px 0; }
.section-sm { padding: 58px 0; }
.section-blue { background: var(--blue-pale); }
.section-deep { color: #fff; background: linear-gradient(145deg, #13345f, var(--footer)); }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; margin-bottom: 12px; color: var(--blue-deep); font-size: 13px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; margin-right: 9px; background: var(--blue); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.22; letter-spacing: -.02em; }
h1 { margin-bottom: 20px; font-size: clamp(38px, 6vw, 68px); }
h2 { margin-bottom: 16px; font-size: clamp(29px, 4vw, 44px); }
h3 { margin-bottom: 10px; font-size: 21px; }
p { color: var(--text); }
.section-deep p, .section-deep li { color: rgba(255,255,255,.78); }
.lead { max-width: 760px; font-size: clamp(17px, 2vw, 20px); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
.tag { padding: 7px 11px; border: 1px solid #cfe2fb; border-radius: 999px; color: #315271; background: rgba(255,255,255,.72); font-size: 13px; font-weight: 750; }
.hero { position: relative; overflow: hidden; padding: 74px 0 72px; background: radial-gradient(circle at 85% 18%, rgba(41,128,254,.18), transparent 31%), linear-gradient(180deg, #fff, #f6faff); }
.hero::after { content: ""; position: absolute; width: 360px; height: 360px; left: -180px; bottom: -220px; border: 70px solid rgba(41,128,254,.06); border-radius: 50%; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.12fr .88fr; gap: 48px; align-items: center; }
.hero-copy { max-width: 680px; }
.hero-media { position: relative; min-height: 520px; display: flex; align-items: center; justify-content: center; }
.hero-media::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 45% 55% 60% 40%; background: linear-gradient(145deg, #d9eaff, #f7fbff); transform: rotate(-8deg); }
.hero-media > img { position: relative; z-index: 2; max-height: 510px; object-fit: contain; filter: drop-shadow(0 28px 26px rgba(28,80,142,.18)); }
.float-note { position: absolute; z-index: 3; max-width: 190px; padding: 13px 15px; border: 1px solid rgba(220,230,242,.95); border-radius: 16px; background: rgba(255,255,255,.9); box-shadow: 0 14px 30px rgba(31,91,165,.11); backdrop-filter: blur(9px); font-size: 13px; font-weight: 850; }
.float-note:nth-of-type(1) { left: 0; top: 18%; }
.float-note:nth-of-type(2) { right: -8px; top: 48%; }
.float-note:nth-of-type(3) { left: 10%; bottom: 9%; }
.capability-strip { position: relative; z-index: 4; margin-top: -28px; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow); overflow: hidden; }
.capability-item { padding: 24px; }
.capability-item + .capability-item { border-left: 1px solid var(--border); }
.capability-item h2 { font-size: 18px; }
.capability-item p { margin-bottom: 0; font-size: 14px; }
.category-grid { display: grid; gap: 16px; }
.category-row { display: grid; gap: 16px; }
.category-row-one { grid-template-columns: 2fr 1fr 1fr 1fr; }
.category-row-two { grid-template-columns: repeat(3, 1fr); }
.category-row-three { grid-template-columns: 1fr 1.55fr 1.55fr; }
.category-card { min-height: 220px; padding: 26px; border: 1px solid var(--border); border-radius: 22px; background: #fff; box-shadow: 0 12px 28px rgba(31,91,165,.06); }
.category-card.featured { color: #fff; background: linear-gradient(145deg, var(--blue), var(--blue-deep)); border-color: transparent; }
.category-card.wide { min-height: 240px; }
.category-card.featured p, .category-card.featured .text-btn { color: rgba(255,255,255,.9); }
.category-number { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; margin-bottom: 24px; border-radius: 12px; color: var(--blue-deep); background: var(--blue-soft); font-weight: 900; }
.category-card.featured .category-number { color: #fff; background: rgba(255,255,255,.17); }
.split-feature { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; padding: 38px; border-radius: 30px; background: linear-gradient(145deg, #ddecff, #f5f9ff); }
.split-feature.reverse { grid-template-columns: 1.1fr .9fr; }
.media-panel { display: flex; align-items: center; justify-content: center; min-height: 420px; padding: 20px; border: 1px solid rgba(255,255,255,.8); border-radius: 26px; background: rgba(255,255,255,.66); }
.media-panel img { max-height: 390px; object-fit: contain; }
.content-panel { padding: 16px; }
.check-list, .plain-list { margin: 22px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; margin: 10px 0; padding-left: 31px; color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--blue); font-size: 12px; font-weight: 900; }
.section-deep .check-list li::before { color: var(--blue-deep); background: #fff; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.topic-panel { padding: 34px; border: 1px solid var(--border); border-radius: 26px; background: #fff; }
.topic-panel.offset { transform: translateY(34px); background: var(--blue-pale); }
.topic-panel.large { min-height: 390px; }
.topic-panel.accent { color: #fff; background: linear-gradient(145deg, #2d88ff, #145fc7); border-color: transparent; }
.topic-panel.accent p, .topic-panel.accent li, .topic-panel.accent .text-btn { color: rgba(255,255,255,.86); }
.safety-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center; }
.safety-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.safety-list span { padding: 15px; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(255,255,255,.07); font-weight: 750; }
.notice-box { padding: 28px; border-radius: 22px; color: var(--ink); background: #fff; }
.notice-box strong { display: block; margin-bottom: 10px; color: var(--blue-deep); font-size: 20px; }
.process { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; counter-reset: step; }
.process-step { position: relative; min-height: 250px; padding: 23px 18px; border: 1px solid var(--border); border-radius: 20px; background: #fff; }
.process-step::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: inline-flex; margin-bottom: 28px; color: var(--blue); font-size: 26px; font-weight: 900; }
.process-step:not(:last-child)::after { content: ""; position: absolute; right: -13px; top: 48px; width: 14px; height: 2px; background: var(--border); }
.process-step h3 { font-size: 17px; }
.process-step p, .process-step a { font-size: 13px; }
.timeline { border-left: 2px solid #cfe2fb; margin-left: 9px; }
.timeline-item { position: relative; display: grid; grid-template-columns: 145px 1fr auto; gap: 20px; align-items: start; padding: 0 0 28px 28px; }
.timeline-item::before { content: ""; position: absolute; left: -8px; top: 7px; width: 14px; height: 14px; border: 3px solid #fff; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 1px #9fc7fa; }
.timeline-item time { color: var(--blue-deep); font-weight: 850; }
.timeline-item p { margin-bottom: 0; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review { padding: 25px; border: 1px solid var(--border); border-radius: 20px; background: #fff; }
.review::before { content: "“"; color: var(--blue); font-size: 46px; line-height: .7; font-weight: 900; }
.review p { margin-top: 12px; margin-bottom: 0; }
.faq-list { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question { width: 100%; min-height: 68px; display: flex; align-items: center; gap: 18px; padding: 17px 4px; color: var(--ink); background: transparent; border: 0; text-align: left; font-weight: 850; }
.faq-question::after { content: "+"; margin-left: auto; color: var(--blue); font-size: 26px; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { display: none; padding: 0 34px 22px 4px; }
.faq-item.is-open .faq-answer { display: block; }
.faq-answer p { margin-bottom: 0; }
.cta-box { position: relative; overflow: hidden; padding: 64px 30px; border-radius: 30px; text-align: center; background: linear-gradient(145deg, #e8f2ff, #f8fbff); }
.cta-box::before, .cta-box::after { content: ""; position: absolute; width: 180px; height: 180px; border: 35px solid rgba(41,128,254,.08); border-radius: 50%; }
.cta-box::before { left: -90px; top: -100px; }
.cta-box::after { right: -85px; bottom: -110px; }
.cta-box > * { position: relative; z-index: 1; }
.page-hero { padding: 74px 0 60px; background: radial-gradient(circle at 85% 20%, rgba(41,128,254,.15), transparent 30%), linear-gradient(180deg,#fff,#f6faff); }
.page-hero-grid { display: grid; grid-template-columns: 1fr .72fr; gap: 44px; align-items: center; }
.page-hero h1 { font-size: clamp(38px, 5vw, 58px); }
.page-hero-media { min-height: 340px; display: flex; align-items: center; justify-content: center; padding: 26px; border-radius: 30px; background: rgba(234,243,255,.82); }
.page-hero-media img { max-height: 320px; object-fit: contain; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--blue-deep); }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.info-card { padding: 26px; border: 1px solid var(--border); border-radius: 20px; background: #fff; }
.info-card p { margin-bottom: 0; }
.steps-list { display: grid; gap: 14px; counter-reset: innerstep; }
.step-row { position: relative; padding: 23px 24px 23px 76px; border: 1px solid var(--border); border-radius: 19px; background: #fff; }
.step-row::before { counter-increment: innerstep; content: counter(innerstep); position: absolute; left: 23px; top: 23px; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; color: #fff; background: var(--blue); font-weight: 900; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 20px; }
table { width: 100%; border-collapse: collapse; min-width: 650px; background: #fff; }
th, td { padding: 16px 18px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--blue-deep); background: var(--blue-pale); }
tr:last-child td { border-bottom: 0; }
.callout { padding: 24px; border-left: 4px solid var(--blue); border-radius: 0 18px 18px 0; background: var(--blue-pale); }
.callout.warning { border-left-color: #e1a525; background: #fff9ea; }
.link-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.link-card { padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.link-card:hover { border-color: #9fc7fa; box-shadow: 0 10px 26px rgba(31,91,165,.08); }
.site-footer { color: #fff; background: var(--footer); }
.footer-grid { width: var(--container); display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 36px; margin: 0 auto; padding: 64px 0 40px; }
.footer-brand p { max-width: 460px; margin-top: 20px; color: rgba(255,255,255,.66); }
.footer-grid h2 { margin-bottom: 14px; font-size: 16px; }
.footer-grid > div > a:not(.brand) { display: block; margin: 8px 0; color: rgba(255,255,255,.72); font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { width: var(--container); min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.58); font-size: 13px; }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 20px; }

@media (max-width: 1100px) {
  .desktop-nav { display: none; }
  .header-inner { height: 72px; }
  .header-actions { margin-left: auto; }
  .menu-button { display: inline-block; }
  .more-button, .more-panel { display: none; }
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: repeat(3, 1fr); }
  .process-step:nth-child(3)::after { display: none; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 860px) {
  :root { --container: min(100% - 30px, 760px); }
  .section { padding: 70px 0; }
  .hero { padding-top: 54px; }
  .hero-grid, .page-hero-grid, .split-feature, .split-feature.reverse, .safety-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: none; }
  .hero-media { min-height: 440px; }
  .page-hero-media { order: -1; min-height: 280px; }
  .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); }
  .category-row-one, .category-row-two, .category-row-three { grid-template-columns: 1fr 1fr; }
  .dual-grid { grid-template-columns: 1fr; }
  .topic-panel.offset { transform: none; }
  .review-grid, .info-grid { grid-template-columns: 1fr 1fr; }
  .timeline-item { grid-template-columns: 120px 1fr; }
  .timeline-item .text-btn { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: auto; }
}
@media (max-width: 620px) {
  :root { --container: calc(100% - 24px); }
  .header-inner { gap: 10px; }
  .brand img { max-width: 118px; max-height: 36px; }
  .header-actions { gap: 7px; }
  .header-actions .download-btn { min-height: 42px; padding: 9px 12px; font-size: 13px; }
  .menu-button { min-width: 42px; min-height: 42px; }
  h1 { font-size: 39px; }
  h2 { font-size: 30px; }
  .section { padding: 58px 0; }
  .section-sm { padding: 44px 0; }
  .hero { padding: 42px 0 62px; }
  .hero-grid { gap: 22px; }
  .hero-media { min-height: 390px; }
  .hero-media::before { width: 320px; height: 320px; }
  .hero-media > img { max-height: 380px; }
  .float-note { max-width: 150px; padding: 10px 11px; font-size: 11px; }
  .float-note:nth-of-type(1) { left: 0; top: 13%; }
  .float-note:nth-of-type(2) { right: 0; top: 48%; }
  .float-note:nth-of-type(3) { left: 4%; bottom: 4%; }
  .capability-strip { margin-top: -20px; }
  .capability-grid, .review-grid, .info-grid, .link-grid { grid-template-columns: 1fr; }
  .category-row-one, .category-row-two, .category-row-three { grid-template-columns: 1fr; }
  .capability-item + .capability-item { border-left: 0; border-top: 1px solid var(--border); }
  .category-card { min-height: auto; }
  .split-feature { padding: 20px; border-radius: 24px; }
  .media-panel { min-height: 300px; }
  .safety-list { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process-step { min-height: auto; }
  .process-step::after { display: none; }
  .timeline-item { grid-template-columns: 1fr; gap: 7px; padding-left: 24px; }
  .timeline-item .text-btn { grid-column: auto; }
  .topic-panel, .notice-box { padding: 24px; }
  .button-row { flex-direction: column; align-items: stretch; }
  .button-row a { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; padding-top: 48px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding: 20px 0; }
  .mobile-menu details div { grid-template-columns: 1fr; }
}