:root {
  --cyan: #00aeef;
  --cyan-deep: #008ec4;
  --cyan-soft: #e6f7fd;
  --ink: #0c2a36;
  --ink-2: #163844;
  --navy: #06202c;
  --brass: #00aeef;
  --brass-2: #5ccbf5;
  --brass-deep: #008ec4;
  --paper: #ffffff;
  --paper-2: #e6f7fd;
  --card: #ffffff;
  --line: rgba(0, 174, 239, 0.22);
  --mute: #4d6670;
  --ok: #0e7a6b;
  --danger: #8b3a2f;
  --serif: "Noto Sans TC", "Segoe UI", sans-serif;
  --sans: "Noto Sans TC", "Segoe UI", sans-serif;
  --max: 1180px;
  --header: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea, select { font-family: inherit; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; }
p { margin: 0 0 1em; }

.skip {
  position: absolute; left: -999px; top: 0;
}
.skip:focus { left: 12px; top: 12px; background: #fff; padding: 8px 12px; z-index: 99; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.kicker {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-deep);
  font-weight: 600;
  margin: 0 0 10px;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 80;
  background: #fff;
  border-bottom: 2px solid var(--cyan);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header);
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex: 0 0 auto;
  height: 44px;
}
.logo img {
  height: 44px;
  width: auto;
  max-width: none;
}

.nav {
  display: flex;
  align-items: stretch;
  align-self: stretch;
  justify-content: flex-end;
  flex: 1 1 auto;
  gap: 2px;
  min-width: 0;
  height: 100%;
}
.nav a, .nav button.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  margin: 0;
  padding: 0 9px;
  border: 0;
  background: none;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  color: var(--ink-2);
  cursor: pointer;
  appearance: none;
  box-shadow: none;
}
.nav a:hover, .nav button.nav-link:hover { color: var(--brass-deep); }
.nav a.is-current {
  color: var(--brass-deep);
  box-shadow: inset 0 -2px 0 var(--brass);
}

.dropdown { position: relative; display: flex; align-items: stretch; height: 100%; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(14,26,36,.12);
  padding: 8px 0;
  z-index: 60;
}
.dropdown-menu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 12px;
}
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu,
.dropdown.is-open .dropdown-menu { display: block; }
.dropdown-menu a {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: auto;
  padding: 10px 18px;
  font-size: 13.5px;
  white-space: normal;
}
.dropdown-menu a:hover { background: var(--paper-2); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}
.header-cta .btn {
  height: 36px;
  padding: 0 14px;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  padding: 12px 20px; font-size: 14px; font-weight: 600; letter-spacing: 0.04em;
  line-height: 1;
  transition: transform .25s var(--ease), background .25s, color .25s;
}
.btn:hover { transform: translateY(-1px); }
.btn-brass { background: var(--brass); color: #fff; }
.btn-brass:hover { background: var(--brass-deep); }
.btn-ghost { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-ghost-light { background: transparent; border: 1px solid #fff; color: #fff; }
.btn-ghost-light:hover { background: #fff; color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); }
.btn-wa { background: #128c7e; color: #fff; }
.nav-toggle {
  display: none; width: 40px; height: 40px; border: 1px solid var(--line); background: transparent; flex: 0 0 auto;
}

/* Hero */
.hero {
  position: relative; min-height: 78vh; display: grid; align-items: end;
  color: #fff; overflow: hidden;
  background: var(--navy) center/cover no-repeat;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(6,32,44,.88) 0%, rgba(0,174,239,.28) 70%, rgba(6,32,44,.2) 100%),
    linear-gradient(180deg, rgba(6,32,44,.1) 0%, rgba(6,32,44,.55) 100%);
}
.hero-inner { position: relative; z-index: 1; padding: 90px 0 72px; width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.hero h1 {
  font-size: clamp(34px, 5.4vw, 62px);
  max-width: 16ch; margin: 0 0 22px; color: #fff;
}
.hero-lead { max-width: 42ch; font-size: 18px; color: #e7f7fd; margin-bottom: 28px; }
.hero-prices {
  display: grid; grid-template-columns: repeat(2, minmax(0, 280px)); gap: 18px; margin: 28px 0 32px;
}
.price-chip {
  border: 1px solid rgba(0,174,239,.55); padding: 16px 18px;
  background: rgba(6,32,44,.45); backdrop-filter: blur(8px);
}
.price-chip small { display: block; letter-spacing: .16em; text-transform: uppercase; font-size: 11px; color: var(--brass-2); }
.price-chip strong {
  font-family: var(--serif); font-size: clamp(32px, 4vw, 48px); color: #fff; font-weight: 600;
}
.price-chip span { display: block; color: #d7eef7; font-size: 13px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Sections */
.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.section-ink { background: var(--navy); color: #e7f7fd; }
.section-ink h2, .section-ink h3 { color: #fff; }
.section-ink .mute { color: #b7c0c7; }
.section-card { background: var(--card); }
.split {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
}
.intro-split { margin: 0 0 48px; align-items: start; }
.intro-split .prose { max-width: none; }
.intro-split .frame img { height: 320px; }
.split.reverse { grid-template-columns: .95fr 1.05fr; }
.split.reverse .split-copy { order: 2; }
.frame {
  position: relative;
}
.frame img { width: 100%; height: 420px; object-fit: cover; filter: saturate(.9) contrast(1.05); }
.frame::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px;
  border: 1px solid var(--brass); pointer-events: none;
}
h2 { font-size: clamp(28px, 3.4vw, 40px); margin: 0 0 18px; }
h3 { font-size: 22px; margin: 1.4em 0 .5em; }
.lede { font-size: 18px; color: var(--mute); max-width: 62ch; }

.service-grid, .card-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px;
}
.svc {
  background: var(--card); text-decoration: none; display: block;
  border: 1px solid var(--line); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.svc:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(14,26,36,.08); }
.svc img { width: 100%; height: 180px; object-fit: cover; }
.svc-body { padding: 22px 22px 26px; }
.svc-body h3 { margin: 0 0 8px; font-size: 22px; }
.svc-body p { color: var(--mute); font-size: 14.5px; margin: 0 0 12px; }
.svc-price { font-family: var(--serif); color: var(--brass-deep); font-size: 18px; }
.more { font-size: 13px; letter-spacing: .08em; color: var(--brass-deep); font-weight: 600; }

.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 32px; }
.why {
  padding: 28px 22px; background: rgba(255,255,255,.04); border-top: 2px solid var(--brass);
}
.why strong { display: block; font-family: var(--serif); font-size: 28px; color: var(--brass-2); margin-bottom: 8px; }
.why p { margin: 0; font-size: 14.5px; color: #c9d0d6; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; margin-top: 32px; }
.step { position: relative; padding-top: 8px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--serif); font-size: 42px; color: var(--brass); display: block; line-height: 1; margin-bottom: 10px;
}

.table-wrap { overflow-x: auto; margin: 24px 0 8px; border: 1px solid var(--line); background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--cyan); color: #fff; font-weight: 600; letter-spacing: .04em; }
tr:last-child td { border-bottom: 0; }
td:last-child, th:last-child { font-variant-numeric: tabular-nums; }
.note { font-size: 13px; color: var(--mute); }

.page-hero {
  padding: 56px 0 36px; background:
    linear-gradient(180deg, var(--cyan-soft) 0%, #fff 100%);
  border-bottom: 1px solid var(--line);
}
.page-visual {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: stretch; margin: 0 0 48px;
}
.page-visual .frame img { height: 380px; }
.page-visual .prose { max-width: none; }
.prose .article-hero { max-width: none; }
.prose .article-hero img { height: 280px; }
.photo-band {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 28px 0 8px;
}
.photo-band figure { margin: 0; }
.photo-band img { width: 100%; height: 200px; object-fit: cover; }
.photo-band figcaption { font-size: 12px; color: var(--mute); margin-top: 8px; }
.photo-stack { display: grid; gap: 12px; }
.photo-stack img { width: 100%; height: 184px; object-fit: cover; }
.crumbs { font-size: 13px; color: var(--mute); margin-bottom: 18px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--brass-deep); }
.page-hero h1 { font-size: clamp(32px, 4.4vw, 52px); margin: 0 0 12px; max-width: 18ch; }

.prose { max-width: 74ch; }
.prose h2 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose a { color: var(--brass-deep); }
.prose table { font-size: 14px; }
.prose .cat { letter-spacing: .16em; text-transform: uppercase; font-size: 12px; color: var(--brass-deep); }

.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0; padding: 18px 0;
  font-size: 17px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; gap: 16px;
}
.faq-q::after { content: "+"; font-family: var(--serif); color: var(--brass); font-size: 24px; }
.faq-item.is-open .faq-q::after { content: "–"; }
.faq-a { display: none; padding: 0 0 18px; color: var(--mute); }
.faq-item.is-open .faq-a { display: block; }

.next-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.next-card {
  display: block; text-decoration: none; padding: 22px; background: var(--card); border: 1px solid var(--line);
}
.next-card span { display: block; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--brass-deep); margin-bottom: 8px; }
.next-card strong { font-family: var(--serif); font-size: 20px; }

.blog-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 28px; }
.chip {
  border: 1px solid var(--line); background: transparent; padding: 8px 14px; cursor: pointer; font-size: 13px;
}
.chip.is-active { background: var(--cyan); color: #fff; border-color: var(--cyan); }
.post-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.post-card {
  display: block; text-decoration: none; padding: 0; background: var(--card); border: 1px solid var(--line);
  overflow: hidden; min-height: 180px;
}
.post-card:hover { border-color: var(--brass); }
.post-card > img { width: 100%; height: 168px; object-fit: cover; }
.post-card .post-card-body { padding: 20px 22px 24px; }
.post-card .cat { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--brass-deep); }
.post-card h3 { margin: 8px 0 10px; font-size: 22px; }
.post-card p { color: var(--mute); font-size: 14.5px; margin: 0; }

.cta-band {
  background: var(--navy); color: #e7f7fd; padding: 64px 0;
}
.cta-band .kicker { color: var(--brass-2); }
.cta-band h2 { color: #fff; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }

.contact-grid .frame img { height: 240px; }
.contact-list { list-style: none; padding: 0; }
.contact-list li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.form label { display: block; font-size: 13px; margin: 12px 0 6px; }
.form input, .form textarea, .form select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
.form textarea { min-height: 120px; resize: vertical; }
.map iframe { width: 100%; height: 320px; border: 0; filter: grayscale(.3) contrast(1.05); }

.site-footer {
  background: #041820; color: #c5d6dd; padding: 56px 0 28px; font-size: 14px;
}
.site-footer .logo { display: inline-flex; margin-bottom: 14px; height: auto; }
.foot-logo { height: 48px; width: auto; max-width: 240px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 28px; margin-bottom: 36px; }
.site-footer a { color: #e7f7fd; text-decoration: none; }
.site-footer a:hover { color: var(--brass-2); }
.site-footer h4 { color: #fff; font-size: 15px; margin: 0 0 12px; font-family: var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 0 0 8px; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 18px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: #8b939a; }

.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 30;
  background: #25d366; color: #073; width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center; text-decoration: none; font-weight: 800; box-shadow: 0 10px 24px rgba(0,0,0,.2);
}

@media (max-width: 1200px) {
  .header-cta .btn-ghost { display: none; }
}
@media (max-width: 980px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--paper); flex-direction: column; align-items: stretch;
    justify-content: flex-start;
    padding: 12px 20px 24px; border-bottom: 1px solid var(--line);
    z-index: 45;
  }
  .nav.is-open { display: flex; }
  .nav a, .nav button.nav-link {
    height: auto;
    justify-content: flex-start;
    padding: 12px 4px;
  }
  .dropdown { display: block; height: auto; }
  .dropdown-menu { position: static; display: none; box-shadow: none; border: 0; }
  .dropdown-menu::before { display: none; }
  .dropdown.is-open .dropdown-menu { display: block; }
  .header-cta .btn-ghost { display: none; }
  .split, .split.reverse, .service-grid, .why-grid, .steps, .next-grid, .contact-grid, .post-list, .foot-grid, .hero-prices, .page-visual, .photo-band {
    grid-template-columns: 1fr;
  }
  .svc img, .frame img { height: 220px; }
  .hero { min-height: 88vh; }
  body.nav-open { overflow: hidden; }
}