:root {
  --ink: #0d2341;
  --ink-2: #1f3d62;
  --blue: #0b62d6;
  --blue-2: #2f7ee6;
  --sky: #eaf3ff;
  --soft: #f5f8fc;
  --line: #dce5f0;
  --white: #ffffff;
  --muted: #64748b;
  --shadow: 0 18px 55px rgba(15, 43, 77, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }

.shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(220,229,240,.9);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
}
.nav-wrap {
  min-height: 82px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 11px; min-width: 265px; }
.brand img { width: 46px; height: 52px; object-fit: cover; object-position: center; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 800; letter-spacing: -.02em; }
.brand-sub { margin-top: 4px; color: var(--blue); font-size: .83rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.main-nav { display: flex; justify-content: center; gap: 28px; font-size: .94rem; font-weight: 650; }
.main-nav a { position: relative; padding: 29px 0 25px; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 20px; height: 2px; background: var(--blue); transition: .25s ease; }
.main-nav a:hover::after { right: 0; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.lang-toggle { border: 0; background: transparent; color: var(--ink); font-weight: 700; cursor: pointer; padding: 10px; }
.menu-toggle { display: none; border: 0; background: transparent; font-size: 1.4rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 21px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 800;
  letter-spacing: .01em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: var(--white); background: var(--blue); box-shadow: 0 9px 24px rgba(11,98,214,.24); }
.btn-primary:hover { background: #084fae; }
.btn-ghost { background: rgba(255,255,255,.72); border-color: #b7cbe5; }
.btn-small { min-height: 40px; padding: 0 16px; font-size: .86rem; }
.btn-light { background: var(--white); color: var(--ink); }

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 32%, rgba(84,158,245,.18), transparent 24%),
    linear-gradient(120deg, #f6f9fd 0%, #edf5ff 48%, #f8fbff 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .35;
  background-image:
    linear-gradient(rgba(15,57,104,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,57,104,.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, transparent, black 35%, black 100%);
}
.hero-layout {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 60px;
  position: relative;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow.light { color: #cfe4ff; }
.hero h1, .section h2, .mission-card h2, .inventory-box h2 {
  margin: 0;
  letter-spacing: -.045em;
  line-height: 1.02;
}
.hero h1 { font-size: clamp(3.35rem, 6.1vw, 6.1rem); max-width: 760px; }
.hero-lead { max-width: 700px; color: var(--ink-2); font-size: 1.14rem; margin: 24px 0 30px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 34px; margin-top: 40px; flex-wrap: wrap; }
.hero-meta div { display: flex; flex-direction: column; padding-right: 30px; border-right: 1px solid #bfd1e5; }
.hero-meta div:last-child { border-right: 0; }
.hero-meta strong { font-size: 1.1rem; }
.hero-meta span { color: var(--muted); font-size: .83rem; }

.hero-visual { display: flex; justify-content: flex-end; }
.orbital-card {
  position: relative;
  width: min(480px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: 30px;
  overflow: hidden;
  background: linear-gradient(145deg, #08284f, #0c5fb3 66%, #91c3f2);
  box-shadow: var(--shadow);
}
.orbital-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 65% 35%, rgba(255,255,255,.2), transparent 30%);
}
.orbital-card img {
  position: absolute;
  width: 43%;
  right: 7%;
  bottom: 5%;
  border-radius: 50%;
  mix-blend-mode: screen;
  opacity: .94;
}
.chip-grid {
  position: absolute;
  inset: 14% 14% auto auto;
  width: 58%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  transform: perspective(800px) rotateX(58deg) rotateZ(-32deg);
}
.chip-grid span {
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255,255,255,.17), rgba(255,255,255,.02));
  box-shadow: inset 0 0 20px rgba(255,255,255,.05);
}
.chip-grid .active-chip {
  display: grid;
  place-items: center;
  color: white;
  font-weight: 900;
  letter-spacing: .12em;
  background: rgba(255,255,255,.2);
}
.orbit { position: absolute; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; }
.orbit-a { width: 110%; height: 48%; left: -12%; top: 32%; transform: rotate(-20deg); }
.orbit-b { width: 72%; height: 110%; left: 13%; top: -10%; transform: rotate(26deg); }

.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.trust-row { display: grid; grid-template-columns: .8fr 1.2fr 1.2fr; }
.trust-row > div { padding: 25px 32px; border-right: 1px solid var(--line); }
.trust-row > div:first-child { padding-left: 0; }
.trust-row > div:last-child { border-right: 0; }
.trust-kicker { display: block; color: var(--muted); font-size: .73rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 4px; }
.trust-row strong { font-size: 1rem; }

.section { padding: 105px 0; }
.section-soft { background: var(--soft); }
.section-head { display: grid; grid-template-columns: 1.1fr .7fr; gap: 70px; align-items: end; margin-bottom: 48px; }
.section-head h2, .sticky-title h2, .about-panel h2, .contact-copy h2 { font-size: clamp(2.25rem, 4vw, 4.25rem); }
.section-head > p { margin: 0; color: var(--muted); }
.card-grid.four { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-card {
  position: relative;
  min-height: 315px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover { transform: translateY(-7px); border-color: #b7d0ec; box-shadow: var(--shadow); }
.card-num { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; margin-bottom: 62px; border-radius: 50%; background: var(--sky); color: var(--blue); font-weight: 900; }
.service-card h3 { font-size: 1.26rem; line-height: 1.18; margin: 0 0 15px; }
.service-card p { margin: 0; color: var(--muted); }

.split-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.sticky-title { position: sticky; top: 130px; }
.strategy-list { border-top: 1px solid var(--line); }
.strategy-item { display: grid; grid-template-columns: 74px 1fr; gap: 24px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.strategy-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 10px; color: var(--white); background: var(--ink); font-weight: 900; }
.strategy-item h3 { margin: 0 0 7px; font-size: 1.45rem; }
.strategy-item p { margin: 0; color: var(--muted); }

.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: stretch; }
.about-panel { padding-right: 20px; }
.about-panel p:not(.eyebrow) { color: var(--muted); max-width: 700px; }
.value-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.value-row span { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-2); font-size: .84rem; font-weight: 750; }
.data-panel { background: var(--ink); color: white; border-radius: 20px; padding: 14px 34px; box-shadow: var(--shadow); }
.data-block { padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.data-block:last-child { border-bottom: 0; }
.data-block span { display: block; color: #a9c6e4; font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 7px; }
.data-block strong { font-size: 1.16rem; }

.inventory-section { padding-top: 0; }
.inventory-box {
  min-height: 300px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  padding: 54px;
  border-radius: 22px;
  color: white;
  background:
    linear-gradient(110deg, rgba(6,34,69,.98), rgba(8,71,132,.93)),
    linear-gradient(45deg, #072b55, #0b65bf);
  overflow: hidden;
  position: relative;
}
.inventory-box::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -90px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  box-shadow: 0 0 0 55px rgba(255,255,255,.025), 0 0 0 110px rgba(255,255,255,.02);
}
.inventory-box > * { position: relative; z-index: 1; }
.inventory-box h2 { font-size: clamp(2.45rem, 4.2vw, 4.7rem); }
.inventory-box p:not(.eyebrow) { max-width: 760px; color: #d8e8fb; }

.mission-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.mission-card { background: white; border: 1px solid var(--line); border-radius: 18px; padding: 42px; }
.mission-card h2 { font-size: 2.2rem; }
.mission-card p:last-child { color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.contact-copy p:not(.eyebrow) { color: var(--muted); }
.contact-details { display: grid; gap: 7px; margin-top: 30px; }
.contact-details a { color: var(--blue); font-weight: 750; }
.contact-details p { margin: 0; }
.locations { margin-top: 10px !important; }
.contact-form { padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: var(--soft); }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
label { display: grid; gap: 8px; margin-bottom: 16px; font-size: .85rem; font-weight: 750; }
input, textarea {
  width: 100%;
  border: 1px solid #cdd9e6;
  border-radius: 8px;
  background: white;
  padding: 13px 14px;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,98,214,.1); }
.form-submit { width: 100%; cursor: pointer; }
.form-note { margin: 12px 0 0; font-size: .78rem; color: var(--muted); text-align: center; }

.site-footer { background: #071b34; color: white; padding: 28px 0; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-brand { display: flex; gap: 13px; align-items: center; }
.footer-brand img { width: 48px; height: 56px; object-fit: cover; opacity: .9; }
.footer-brand div { display: flex; flex-direction: column; }
.footer-brand span { color: #aac2dc; font-size: .8rem; margin-top: 3px; }
.back-top { color: #bfd7f1; font-weight: 750; }

.reveal { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }

@media (max-width: 980px) {
  .nav-wrap { grid-template-columns: 1fr auto auto; }
  .main-nav { position: absolute; top: 82px; left: 24px; right: 24px; display: none; flex-direction: column; gap: 0; background: white; border: 1px solid var(--line); border-radius: 14px; padding: 10px 20px; box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 4px; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }
  .main-nav a::after { display: none; }
  .menu-toggle { display: block; }
  .nav-actions .btn { display: none; }
  .hero-layout { grid-template-columns: 1fr; padding: 80px 0; min-height: auto; }
  .hero-copy { order: 1; }
  .hero-visual { order: 2; justify-content: flex-start; }
  .orbital-card { width: 100%; max-width: 620px; aspect-ratio: 1.35 / 1; }
  .trust-row, .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .trust-row > div:nth-child(2) { border-right: 0; }
  .split-layout, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .sticky-title { position: static; }
  .section-head { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 30px, 1180px); }
  .site-header .shell { width: min(100% - 24px, 1180px); }
  .brand { min-width: 0; }
  .brand-copy { display: none; }
  .brand img { width: 40px; height: 46px; }
  .nav-wrap { min-height: 70px; }
  .main-nav { top: 70px; left: 12px; right: 12px; }
  .hero-layout { padding: 64px 0; gap: 38px; }
  .hero h1 { font-size: 3rem; }
  .hero-meta { gap: 18px; }
  .hero-meta div { width: calc(50% - 9px); border-right: 0; padding-right: 0; }
  .trust-row, .card-grid.four, .mission-grid, .form-row { grid-template-columns: 1fr; }
  .trust-row > div { padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-row > div:last-child { border-bottom: 0; }
  .section { padding: 78px 0; }
  .service-card { min-height: 260px; }
  .card-num { margin-bottom: 36px; }
  .inventory-box { flex-direction: column; align-items: flex-start; padding: 34px 26px; }
  .mission-card, .contact-form { padding: 28px 22px; }
  .footer-row { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Readable bilingual layouts and accessible navigation. */
html { scroll-padding-top: 110px; }
:focus-visible { outline: 3px solid #0b62d6; outline-offset: 5px; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 12px 20px; background: white; }
.skip-link:focus { top: 12px; }
.hero-layout > *, .contact-grid > *, .about-grid > *, .section-head > * { min-width: 0; }
h1, h2, h3 { overflow-wrap: anywhere; }
.hero h1 { font-size: clamp(2.6rem, 4.7vw, 4.8rem); line-height: 1.12; }
:lang(zh-Hant) h1, :lang(zh-Hant) h2 { line-height: 1.3; letter-spacing: -.025em; }
label, .btn-small, .hero-meta span, .value-row span, .footer-brand span { font-size: .875rem; }
input, textarea { font-size: 1rem; }
.eyebrow, .trust-kicker, .data-block span { font-size: .8125rem; }
.orbital-card { border-radius: 4px; }
.brand-statement { position: relative; z-index: 1; padding: 38px; color: white; }
.brand-statement > span { font-size: .875rem; letter-spacing: .2em; }
.brand-statement strong { display: block; font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.2; margin-top: 28px; }
.brand-statement p { font-size: .75rem; letter-spacing: .12em; }
.brand img, .footer-brand img { object-fit: contain; }
@media (max-width: 1120px) and (min-width: 981px) { .nav-wrap { gap: 14px; } .main-nav { gap: 14px; } .brand { min-width: 0; } .nav-actions .btn { display: none; } }
@media (max-width: 640px) { .brand-copy { display: flex; } .brand-name { font-size: .75rem; max-width: 145px; } .brand-sub { font-size: .75rem; letter-spacing: .03em; } .nav-wrap { gap: 6px; } .hero h1 { font-size: clamp(2.15rem, 9vw, 3rem); } .hero-layout { padding: 44px 0; } .brand-statement { padding: 26px; } .inventory-box { width: 100%; } .section h2 { font-size: 2rem; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }