:root {
  color-scheme: dark;
  --bg: #06080d;
  --panel: #0d121b;
  --panel-2: #111927;
  --text: #f6f8fb;
  --muted: #aab4c3;
  --soft: #d6dce5;
  --line: rgba(255, 255, 255, 0.14);
  --cyan: #2ee9ff;
  --magenta: #ff4fd8;
  --amber: #ffbf5e;
  --mint: #5cf2b9;
  --danger: #ff7c7c;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.36);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(46, 233, 255, 0.045) 1px, transparent 1px),
    linear-gradient(rgba(46, 233, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 18% 4%, rgba(46, 233, 255, 0.14), transparent 28rem),
    radial-gradient(circle at 90% 10%, rgba(255, 79, 216, 0.12), transparent 30rem),
    var(--bg);
  background-size: 52px 52px, 52px 52px, auto, auto, auto;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.72;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  background: var(--cyan);
  color: #001219;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 12;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 8, 13, 0.82);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(100% - 2rem, var(--max));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-width: max-content;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(46, 233, 255, 0.55);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(46, 233, 255, 0.18), rgba(255, 79, 216, 0.13));
  color: var(--cyan);
  font-weight: 900;
  box-shadow: 0 0 22px rgba(46, 233, 255, 0.2);
}

.brand-name,
.brand-sub {
  display: block;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 800;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.78rem;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 1.2rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: auto;
}

.site-nav a {
  padding: 0.65rem 0.72rem;
  color: var(--soft);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.header-cta,
.button.primary {
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  color: #021014;
  box-shadow: 0 0 24px rgba(46, 233, 255, 0.24);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.button.ghost {
  border-color: rgba(46, 233, 255, 0.35);
  color: var(--cyan);
  background: rgba(46, 233, 255, 0.06);
}

.hero {
  min-height: min(780px, calc(100vh - 72px));
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(90deg, rgba(6, 8, 13, 0.98), rgba(6, 8, 13, 0.78) 34%, rgba(6, 8, 13, 0.3) 68%, rgba(6, 8, 13, 0.76)),
    var(--hero-image);
  background-size: cover;
  background-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(transparent, var(--bg));
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 7rem 0 5.5rem;
}

.eyebrow {
  color: var(--cyan);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 760px;
  margin-top: 0.8rem;
  font-size: clamp(3.6rem, 8vw, 7.4rem);
  text-shadow: 0 0 32px rgba(46, 233, 255, 0.25);
}

.hero .lead {
  max-width: 720px;
  color: var(--soft);
  font-size: 1.18rem;
}

.hero-actions,
.section-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  max-width: 880px;
  margin-top: 2rem;
}

.signal {
  min-height: 106px;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 8, 13, 0.58);
}

.signal strong {
  display: block;
  color: var(--text);
  font-size: 1.25rem;
}

.signal span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 5rem 0;
}

.section.alt {
  background: rgba(255, 255, 255, 0.035);
  border-block: 1px solid rgba(255, 255, 255, 0.06);
}

.container {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-heading h2,
.page-header h1 {
  margin-top: 0.45rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.section-heading p,
.page-header p,
.article-section p,
.card p,
.price-card p,
.faq-answer,
.hub-card p {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.price-card,
.contact-panel,
.hub-card,
.notice-panel,
.faq-item,
.portrait-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.035));
  box-shadow: var(--shadow);
}

.card,
.hub-card {
  min-height: 190px;
  padding: 1.25rem;
}

.card-kicker {
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 900;
}

.card h3,
.hub-card h3 {
  margin-top: 0.55rem;
  font-size: 1.25rem;
}

.hub-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.hub-card .arrow {
  margin-top: auto;
  color: var(--cyan);
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 2rem;
  align-items: start;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 2rem;
  align-items: start;
}

.page-header {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0.25rem 0.6rem;
  border: 1px solid rgba(46, 233, 255, 0.28);
  border-radius: 999px;
  color: var(--soft);
  background: rgba(46, 233, 255, 0.06);
  font-size: 0.84rem;
}

.article-section {
  padding: 2.2rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-section h2 {
  font-size: 1.65rem;
}

.article-section ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--soft);
}

.contact-panel {
  position: sticky;
  top: 92px;
  padding: 1rem;
}

.contact-panel h2 {
  font-size: 1.25rem;
}

.contact-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0;
}

.contact-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--muted);
}

.contact-line strong {
  color: var(--text);
}

.copy-button {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: var(--soft);
  cursor: pointer;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.price-card {
  padding: 1.25rem;
  min-height: 280px;
}

.price-tag {
  margin: 1rem 0 0.5rem;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--cyan);
}

.price-tag small {
  color: var(--muted);
  font-size: 0.9rem;
}

.price-note,
.small-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 1rem;
}

.step {
  position: relative;
  padding: 1.1rem 1.1rem 1.1rem 4rem;
  border-left: 2px solid rgba(46, 233, 255, 0.45);
  background: rgba(255, 255, 255, 0.035);
  border-radius: var(--radius);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 1rem;
  top: 1.05rem;
  color: var(--cyan);
  font-weight: 900;
}

.portrait-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.portrait-card {
  overflow: hidden;
}

.portrait-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.portrait-card div {
  padding: 1rem;
}

.notice-panel {
  padding: 1.1rem;
  border-color: rgba(255, 191, 94, 0.28);
  background: rgba(255, 191, 94, 0.075);
}

.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  width: 100%;
  min-height: 58px;
  padding: 1rem;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.faq-answer {
  display: none;
  padding: 0 1rem 1rem;
}

.faq-item.is-open .faq-answer {
  display: block;
}

.cta-band {
  border-block: 1px solid rgba(46, 233, 255, 0.2);
  background:
    linear-gradient(135deg, rgba(46, 233, 255, 0.13), rgba(255, 79, 216, 0.09)),
    rgba(255, 255, 255, 0.035);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #04060a;
  padding: 3rem 0 6rem;
}

.footer-grid {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 1.5rem;
}

.footer-muted,
.footer-links a {
  color: var(--muted);
}

.footer-links {
  display: grid;
  gap: 0.45rem;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--cyan);
}

.sticky-contact {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  z-index: 15;
  display: flex;
  gap: 0.5rem;
  width: min(calc(100% - 2rem), 520px);
  transform: translateX(-50%);
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 8, 13, 0.86);
  backdrop-filter: blur(14px);
}

.sticky-contact .button {
  flex: 1;
}

@media (max-width: 920px) {
  .header-inner {
    min-height: 64px;
  }

  .menu-button {
    display: grid;
    place-items: center;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 72px;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(6, 8, 13, 0.96);
  }

  .site-nav[data-open] {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .signal-row,
  .grid.three,
  .grid.two,
  .price-grid,
  .portrait-grid,
  .split,
  .article-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 740px;
    background-position: 62% center;
  }

  .hero-inner {
    padding: 4.5rem 0 5rem;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 16vw, 5rem);
  }

  .hero .lead {
    font-size: 1rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .signal-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal {
    min-height: 124px;
  }

  .button {
    width: 100%;
  }
}