:root {
  --ink: #111614;
  --ink-soft: #2d3733;
  --paper: #faf6ef;
  --paper-2: #eef6f1;
  --mint: #dceee5;
  --line: #d6ded6;
  --gold: #d69a3a;
  --teal: #0f746d;
  --ruby: #8f3349;
  --green: #123f32;
  --night: #0f1513;
  --white: #ffffff;
  --shadow: 0 18px 52px rgba(17, 22, 20, 0.16);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

button {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-140%);
  padding: 10px 12px;
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(16, 22, 20, 0.88);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  min-width: 176px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  font-size: 0.95rem;
}

.nav a,
.nav-cta,
.btn {
  text-decoration: none;
}

.nav a {
  color: rgba(255, 255, 255, 0.82);
}

.nav a:hover,
.nav a:focus {
  color: var(--white);
}

.nav-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  background: var(--teal);
  color: var(--white);
  border-radius: 6px;
  font-weight: 800;
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: 78svh;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(9, 13, 12, 0.88) 0%, rgba(9, 13, 12, 0.62) 44%, rgba(9, 13, 12, 0.12) 100%),
    linear-gradient(0deg, rgba(17, 22, 20, 0.68) 0%, rgba(17, 22, 20, 0) 48%);
}

.hero-content {
  position: relative;
  padding: 92px 0 46px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
summary,
li,
strong {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: 3.25rem;
  line-height: 1.14;
}

h2 {
  margin: 0;
  font-size: 2.08rem;
  line-height: 1.24;
}

h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.35;
}

.hero-copy {
  max-width: 700px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.14rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 900;
}

.btn-primary {
  background: var(--gold);
  color: #211709;
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.48);
  color: var(--white);
}

.hero-facts {
  width: min(720px, 100%);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.hero-facts li {
  min-height: 92px;
  padding: 16px;
  background: rgba(14, 21, 18, 0.42);
}

.hero-facts span {
  display: block;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
}

.hero-facts strong {
  display: block;
  margin-top: 4px;
  color: var(--white);
  font-size: 1.05rem;
}

.section {
  padding: 86px 0;
}

.section-grid,
.pricing-layout,
.area-layout,
.faq-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

.lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.intro-section {
  background: var(--paper);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.feature-card {
  min-height: 250px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(17, 22, 20, 0.06);
}

.feature-number {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--ruby);
  font-weight: 900;
  font-size: 0.84rem;
}

.feature-card p {
  margin: 14px 0 0;
  color: var(--ink-soft);
}

.pricing-section {
  background: var(--night);
  color: var(--white);
}

.pricing-section .lead {
  color: rgba(255, 255, 255, 0.78);
}

.price-panel {
  padding: 28px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.price-panel span {
  display: block;
  color: var(--ruby);
  font-weight: 900;
}

.price-panel strong {
  display: block;
  margin-top: 8px;
  color: var(--green);
  font-size: 2.4rem;
  line-height: 1.1;
}

.price-panel p {
  margin: 14px 0 0;
  color: var(--ink-soft);
}

.process-section {
  background: var(--paper-2);
}

.process-section h2 {
  max-width: 720px;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  counter-reset: none;
}

.step-list li {
  min-height: 230px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.step-list span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  margin-bottom: 30px;
  color: var(--white);
  background: var(--teal);
  border-radius: 999px;
  font-weight: 900;
}

.step-list strong {
  display: block;
  font-size: 1.08rem;
}

.step-list p {
  margin: 12px 0 0;
  color: var(--ink-soft);
}

.area-section {
  background: var(--paper);
}

.area-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.area-list li {
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
}

.faq-section {
  background: var(--mint);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 900;
}

.faq-list p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--ink-soft);
}

.contact-section {
  background: var(--green);
  color: var(--white);
}

.contact-section .lead {
  color: rgba(255, 255, 255, 0.78);
}

.contact-panel {
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.contact-row {
  min-height: 68px;
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 12px 14px;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.contact-row:last-of-type {
  border-bottom: 0;
}

.contact-row span {
  color: rgba(255, 255, 255, 0.68);
}

.contact-row strong {
  font-size: 1.18rem;
}

.contact-row button,
.mobile-contact button {
  border: 0;
  cursor: pointer;
  color: var(--ink);
  background: var(--gold);
  border-radius: 6px;
  font-weight: 900;
}

.contact-row button {
  min-height: 38px;
  padding: 0 14px;
}

.notice {
  margin: 18px 14px 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.site-footer {
  padding: 28px 0;
  background: var(--night);
  color: rgba(255, 255, 255, 0.74);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-inner p {
  margin: 0;
}

.mobile-contact {
  display: none;
}

@media (max-width: 900px) {
  .header-inner {
    min-height: auto;
    padding: 12px 0;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .nav a {
    white-space: nowrap;
  }

  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 1.72rem;
  }

  .section-grid,
  .pricing-layout,
  .area-layout,
  .faq-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .feature-grid,
  .step-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-facts,
  .area-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    padding-bottom: 62px;
  }

  .container {
    width: min(100% - 28px, 1120px);
  }

  .brand {
    min-width: auto;
  }

  .brand small {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    min-height: 78svh;
  }

  .hero-image {
    object-position: 62% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(9, 13, 12, 0.9) 0%, rgba(9, 13, 12, 0.74) 58%, rgba(9, 13, 12, 0.26) 100%),
      linear-gradient(0deg, rgba(17, 22, 20, 0.72) 0%, rgba(17, 22, 20, 0) 50%);
  }

  .hero-content {
    padding: 68px 0 34px;
  }

  h1 {
    font-size: 2.05rem;
  }

  h2 {
    font-size: 1.52rem;
  }

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

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
    min-height: 48px;
  }

  .hero-facts li {
    min-height: 78px;
  }

  .section {
    padding: 62px 0;
  }

  .feature-grid,
  .step-list,
  .area-list {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .step-list li {
    min-height: auto;
  }

  .feature-number,
  .step-list span {
    margin-bottom: 18px;
  }

  .contact-row {
    grid-template-columns: 70px 1fr;
  }

  .contact-row button {
    grid-column: 2;
    justify-self: start;
  }

  .footer-inner {
    display: block;
  }

  .footer-inner p + p {
    margin-top: 8px;
  }

  .mobile-contact {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--night);
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }

  .mobile-contact a,
  .mobile-contact button {
    min-height: 58px;
    display: grid;
    place-items: center;
    color: var(--white);
    text-decoration: none;
    background: transparent;
    border: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0;
    font-weight: 900;
  }

  .mobile-contact a:nth-child(2) {
    background: var(--teal);
  }

  .mobile-contact button {
    color: #211709;
    background: var(--gold);
  }
}