:root {
  --blue: #2c617a;
  --blue-deep: #173646;
  --ink: #222222;
  --muted: #6d7378;
  --line: #e7e7e7;
  --paper: #f7f7f7;
  --sans: "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: inherit; font-weight: 700; line-height: 1.3; }
p { margin: 0 0 0.75rem; }
.wrap { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: #fff;
  padding: 0.4rem 0.7rem;
  z-index: 30;
}
.skip:focus { top: 0.5rem; }

.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 96px;
}
.logo { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: #111; }
.logo-ql { font-size: 1.7rem; font-weight: 700; letter-spacing: 0.01em; line-height: 1; }
.logo-rule { width: 1px; height: 28px; background: #111; }
.logo-en { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.top-meta { text-align: right; color: var(--blue); }
.top-name { display: block; font-size: 1.25rem; font-weight: 700; text-decoration: none; }
.top-meta p { margin: 0; font-size: 0.95rem; }
.top-links { display: flex; justify-content: flex-end; gap: 0.9rem; margin-top: 0.15rem; font-size: 0.92rem; }
.top-links a { text-decoration: none; }
.top-links a.is-active { text-decoration: underline; }
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font: inherit;
}

.main-nav { background: var(--blue); }
.nav-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1.05rem;
  padding: 0.7rem 0;
}
.nav-row > a, .has-sub > a { color: #fff; text-decoration: none; font-size: 0.95rem; }
.nav-row a.is-active { text-decoration: underline; text-underline-offset: 4px; }
.has-sub { position: relative; padding-bottom: 0.7rem; margin-bottom: -0.7rem; }
.mega {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: #fff;
  border-radius: 10px;
  padding: 0.4rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  z-index: 8;
}
.has-sub:hover .mega, .has-sub:focus-within .mega { display: grid; }
.mega a { color: var(--blue); text-decoration: none; padding: 0.4rem 0.6rem; border-radius: 8px; }
.mega a:hover { background: #f3f7f9; }

.banner { position: relative; background: #d5dde2; }
.banner img { width: 100%; height: min(68vh, 640px); object-fit: cover; }
.banner-card {
  position: absolute;
  right: max(1.5rem, calc((100% - 1180px) / 2));
  bottom: 2.2rem;
  width: min(380px, calc(100% - 2rem));
  background: var(--blue);
  color: #fff;
  padding: 1.2rem 1.35rem 1.15rem;
}
.banner-card p { margin: 0 0 0.25rem; font-size: 0.98rem; }
.banner-card h1 { margin: 0 0 0.85rem; font-size: 1.55rem; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: #fff;
  color: #222;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.28rem 0.35rem 0.28rem 0.95rem;
  font-size: 0.92rem;
}
.pill i {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #111;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
}

.intro { text-align: center; padding: 3.2rem 1rem 0.4rem; }
.intro h2 { margin: 0 0 0.45rem; font-size: clamp(1.35rem, 2.4vw, 1.85rem); }
.intro p, .intro-line { color: #444; }
.intro-line { text-align: center; margin: 1.5rem auto 0; max-width: 760px; }

.section { padding: 1.2rem 0 3rem; }
.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.photo-card {
  display: block;
  text-align: center;
  text-decoration: none;
  border: 1px solid #eee;
  border-radius: 18px;
  padding: 0.9rem 0.9rem 1.15rem;
  background: #fff;
}
.photo-card img { width: 100%; height: 210px; object-fit: cover; border-radius: 8px; }
.photo-card strong { display: block; margin-top: 0.85rem; color: var(--blue); font-size: 1.35rem; }
.photo-card span { color: #8a8f93; font-size: 0.92rem; }
.photo-card:hover { box-shadow: 0 10px 24px rgba(23, 54, 70, 0.08); }

.section-muted { background: var(--paper); padding: 3rem 0; }
.section-head h2, .prose h2, .form-panel h2 { font-size: 1.6rem; margin: 0 0 0.8rem; color: var(--blue); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; list-style: none; padding: 0; margin: 0; }
.steps li { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 1rem; }
.steps span { color: var(--blue); font-size: 1.4rem; font-weight: 700; }
.stats { background: var(--blue); color: #fff; }
.stats-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 1rem; padding: 2.4rem 0; align-items: center; }
.stats strong { display: block; font-size: 2.3rem; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.audience { display: block; padding: 1.4rem; text-decoration: none; background: var(--blue); color: #fff; border-radius: 16px; }
.audience-alt { background: #24556d; }
.feature { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 1.4rem; align-items: center; }
blockquote { margin: 0; padding: 1.3rem; background: var(--blue); color: #fff; border-radius: 16px; }
.text-link { color: var(--blue); font-weight: 700; }
.prose { max-width: 760px; padding-bottom: 1rem; }
.stack { display: grid; gap: 0.8rem; margin-bottom: 1.4rem; }
.block, .service-block, .office-grid article, .work-grid article, .form-panel, .case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
}
.block, .service-block { padding: 1rem 1.1rem; }
.service-block { margin-bottom: 0.8rem; }
.service-layout { display: grid; grid-template-columns: 1.6fr 0.7fr; gap: 1.4rem; align-items: start; }
.service-block ul, .scope { padding-left: 1.1rem; }
aside {
  position: sticky;
  top: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
}
.case-list { display: grid; gap: 1rem; }
.case-card { display: grid; grid-template-columns: 180px 1fr; text-decoration: none; overflow: hidden; }
.cover-label {
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  background: var(--blue);
  color: #fff;
  min-height: 140px;
}
.case-card div { padding: 1rem 1.15rem; }
.meta { color: var(--blue); }
.office-grid, .work-grid, .form-grid { display: grid; gap: 1rem; }
.office-grid { grid-template-columns: 1fr 1fr; margin-bottom: 1rem; }
.office-grid.office-one { grid-template-columns: 1fr; }
.office-grid article, .form-panel, .work-grid article { padding: 1.15rem; }
.work-grid { grid-template-columns: repeat(3, 1fr); margin-bottom: 2rem; }
.form-grid { grid-template-columns: 1fr 1fr; }
.form-panel { margin-top: 1rem; }
label { display: grid; gap: 0.35rem; font-weight: 500; }
.full { grid-column: 1 / -1; }
input, select, textarea {
  width: 100%;
  border: 1px solid #d7d7d7;
  background: #fff;
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  font: inherit;
}
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: #8c2f2f; }
.form-error { color: #8c2f2f; }
.button, button.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.button-ghost { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.button-block { width: 100%; margin-top: 0.6rem; }
.empty { padding: 2rem; border: 1px dashed var(--line); border-radius: 16px; }
.cta-band { background: #f4f7f8; border-top: 1px solid var(--line); }
.cta-inner { display: flex; justify-content: space-between; gap: 2rem; align-items: center; padding: 2.4rem 0; }
.cta-inner h2 { margin: 0 0 0.4rem; color: var(--blue); }
.cta-inner ul { margin: 0; padding: 0; list-style: none; }
.cta-inner li::before { content: "√ "; color: var(--blue); }
.site-footer { background: var(--blue-deep); color: #e7eef2; padding: 2.4rem 0 1rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 1.4rem; }
.site-footer h2 { font-size: 1rem; margin: 0 0 0.7rem; color: #fff; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer a { color: #e7eef2; text-decoration: none; }
.site-footer li + li { margin-top: 0.25rem; }
.legal { margin-top: 1.4rem; padding-top: 0.9rem; border-top: 1px solid rgba(255,255,255,0.12); color: #c5d0d6; font-size: 0.88rem; }
.wa {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}
.wa svg { width: 32px; height: 32px; fill: #fff; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; flex: none; }
  .top-links, .top-meta p { display: none; }
  .top-name { font-size: 0.95rem; }
  .logo-ql { font-size: 1.25rem; }
  .logo-en { font-size: 0.58rem; letter-spacing: 0.08em; }
  .main-nav { display: none; }
  body.nav-open .main-nav { display: block; }
  .nav-row { flex-direction: column; align-items: flex-start; padding: 0.8rem 0 1rem; }
  .mega { position: static; box-shadow: none; display: grid; padding: 0.2rem 0 0.4rem 0.8rem; }
  .mega a { color: #fff; }
  .banner img { height: 420px; }
  .banner-card { right: 1rem; left: 1rem; width: auto; bottom: 1rem; }
  .photo-grid, .steps, .stats-grid, .split, .feature, .service-layout, .office-grid, .work-grid, .footer-grid, .form-grid, .case-card, .cta-inner {
    grid-template-columns: 1fr;
  }
  aside { position: static; }
}