:root {
  --ink: #080b0d;
  --graphite: #101418;
  --graphite-2: #171c21;
  --steel: #c8d1d7;
  --paper: #f3f6f5;
  --mist: #b7c3c7;
  --line: rgba(211, 221, 224, 0.18);
  --care: #93d7c7;
  --signal: #8fd8e8;
  --amber: #d5b46a;
  --danger: #d98272;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
  --display: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --body: "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", Arial, sans-serif;
  --mono: Consolas, "SFMono-Regular", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--paper);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    var(--ink);
  background-size: 72px 72px, 72px 72px, auto;
  font-family: var(--body);
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(147, 215, 199, 0.08), transparent 30%),
    linear-gradient(250deg, rgba(213, 180, 106, 0.07), transparent 28%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--care);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(8, 11, 13, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--ink);
  background: linear-gradient(145deg, #f9fbfb, var(--steel) 54%, var(--care));
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 6px;
  box-shadow: 0 0 34px rgba(147, 215, 199, 0.23);
  font-family: var(--mono);
  font-weight: 900;
}

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

.brand strong {
  font-size: 16px;
  letter-spacing: 0;
}

.brand small,
.eyebrow,
.feature-icon,
.case-preview span,
.case-meta span {
  font-family: var(--mono);
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand small {
  color: var(--mist);
  font-size: 11px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  position: relative;
  padding: 10px 12px;
  color: var(--mist);
  border-radius: 6px;
  font-size: 14px;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--paper);
  background: rgba(255, 255, 255, 0.075);
}

.site-nav a.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 5px;
  height: 1px;
  background: var(--care);
}

.site-nav .nav-cta {
  color: var(--ink);
  background: var(--paper);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta.active {
  color: var(--ink);
  background: var(--care);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-left: 10px;
  padding: 6px 8px 6px 10px;
  color: var(--paper);
  background: rgba(243, 246, 245, 0.1);
  border: 1px solid rgba(147, 215, 199, 0.48);
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(8, 11, 13, 0.62), 0 12px 30px rgba(0, 0, 0, 0.22);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
}

.language-switcher select {
  min-height: 38px;
  width: auto;
  padding: 6px 34px 6px 12px;
  color: var(--ink);
  background: linear-gradient(135deg, var(--paper), var(--care));
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 6px;
  font-weight: 900;
  cursor: pointer;
}

.language-switcher select option {
  color: var(--ink);
  background: var(--paper);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--paper);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(320px, 0.62fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 76px);
  overflow: hidden;
  padding: clamp(76px, 10vw, 128px) clamp(20px, 6vw, 88px);
  border-bottom: 1px solid var(--line);
}

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

.hero-image {
  object-fit: cover;
  object-position: center;
  opacity: 0.44;
  filter: saturate(0.86) contrast(1.08);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(8, 11, 13, 0.98), rgba(8, 11, 13, 0.82) 48%, rgba(8, 11, 13, 0.56)),
    linear-gradient(180deg, rgba(8, 11, 13, 0.1), var(--ink) 112%);
}

.hero-content,
.hero-console {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--care);
  font-size: 13px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 24px;
  font-size: clamp(42px, 7.2vw, 82px);
  line-height: 1.05;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 4.4vw, 52px);
  line-height: 1.14;
}

h3 {
  margin-bottom: 12px;
  font-size: 23px;
  line-height: 1.25;
}

.hero-lead,
.page-hero p,
.section-heading p {
  max-width: 720px;
  color: #d6dedf;
  font-size: clamp(17px, 2.1vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  color: var(--ink);
  background: linear-gradient(135deg, var(--paper), var(--care));
  border-color: transparent;
}

.button.secondary {
  color: var(--paper);
  background: rgba(255, 255, 255, 0.052);
}

.hero-console {
  align-self: stretch;
  display: grid;
  align-content: end;
  min-height: 430px;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.045)),
    rgba(11, 15, 17, 0.76);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.console-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.console-head span,
.console-grid span {
  color: var(--mist);
  font-family: var(--mono);
  font-size: 12px;
}

.console-head strong {
  color: var(--care);
}

.console-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  background: var(--line);
}

.console-grid div {
  min-height: 96px;
  padding: 16px;
  background: rgba(8, 11, 13, 0.82);
}

.console-grid strong {
  display: block;
  margin-top: 14px;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 20px;
}

.console-lines {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.console-lines span {
  display: block;
  width: var(--w);
  height: 7px;
  background: linear-gradient(90deg, var(--care), rgba(147, 215, 199, 0.05));
  border-radius: 999px;
}

.section {
  padding: clamp(72px, 9vw, 120px) clamp(20px, 5vw, 70px);
}

.section-inner {
  width: min(1160px, 100%);
  margin: 0 auto;
}

.intro-band,
.muted {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.032), rgba(255, 255, 255, 0.016));
  border-block: 1px solid var(--line);
}

.dark-band {
  background:
    linear-gradient(90deg, rgba(147, 215, 199, 0.08), transparent 34%),
    #050708;
  border-block: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}

.split > p,
.stacked-copy p {
  color: var(--mist);
  font-size: 18px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.feature-grid,
.case-preview-grid {
  display: grid;
  gap: 14px;
}

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

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

.feature-card,
.case-preview,
.consult-form,
.contact-panel,
.case-detail {
  background: rgba(16, 20, 24, 0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.feature-card,
.case-preview {
  position: relative;
  min-height: 258px;
  padding: 28px;
  overflow: hidden;
}

.feature-card::before,
.case-preview::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 18px, rgba(255, 255, 255, 0.04) 18px 19px, transparent 19px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 34%);
}

.feature-card > *,
.case-preview > * {
  position: relative;
}

.feature-card p,
.case-preview p,
.case-body p,
.case-body dd {
  color: var(--mist);
}

.feature-icon,
.case-preview span,
.case-meta span {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
}

.text-link {
  color: var(--care);
  font-weight: 800;
}

.section-link {
  display: inline-flex;
  margin-top: 24px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.metrics div {
  min-height: 150px;
  padding: 24px;
  background: rgba(8, 11, 13, 0.9);
}

.metrics strong {
  display: block;
  color: var(--paper);
  font-family: var(--display);
  font-size: 46px;
  line-height: 1;
}

.metrics span {
  display: block;
  margin-top: 16px;
  color: var(--mist);
}

.process {
  max-width: 980px;
}

.timeline {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  list-style: none;
  counter-reset: steps;
}

.timeline li {
  position: relative;
  padding: 24px 24px 24px 78px;
  background: rgba(16, 20, 24, 0.88);
}

.timeline li::before {
  counter-increment: steps;
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 24px;
  top: 26px;
  color: var(--care);
  font-family: var(--mono);
  font-weight: 900;
}

.timeline strong,
.timeline span {
  display: block;
}

.timeline span {
  color: var(--mist);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(46px, 7vw, 76px) clamp(20px, 6vw, 88px);
  color: var(--ink);
  background:
    linear-gradient(90deg, var(--paper), #cbd6d7 68%, var(--care));
}

.cta-band .eyebrow {
  color: #24564d;
}

.cta-band h2 {
  margin-bottom: 0;
}

.cta-band .button.primary {
  color: var(--paper);
  background: var(--ink);
}

.page-hero {
  padding: clamp(88px, 12vw, 150px) clamp(20px, 6vw, 88px) clamp(58px, 8vw, 96px);
  background:
    linear-gradient(90deg, rgba(8, 11, 13, 0.94), rgba(8, 11, 13, 0.72)),
    linear-gradient(135deg, #141a1d, #060809);
  border-bottom: 1px solid var(--line);
}

.page-hero.care,
.page-hero.cases-hero {
  background:
    linear-gradient(90deg, rgba(8, 11, 13, 0.94), rgba(8, 11, 13, 0.58)),
    url("../images/hero-ai-care.png") center/cover;
}

.page-hero.contact-hero {
  background:
    linear-gradient(135deg, #101418, #060809 70%),
    linear-gradient(90deg, rgba(147, 215, 199, 0.08), transparent);
}

.page-hero h1,
.page-hero p,
.page-hero .eyebrow {
  width: min(920px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.service-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-list article {
  display: grid;
  grid-template-columns: 80px 0.75fr 1fr;
  gap: 28px;
  padding: 34px;
  background: rgba(16, 20, 24, 0.9);
}

.service-list span {
  color: var(--amber);
  font-family: var(--mono);
  font-weight: 900;
}

.service-list h2 {
  margin-bottom: 0;
  font-size: clamp(24px, 3vw, 34px);
}

.service-list p {
  color: var(--mist);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 16px 18px;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.055);
  border-left: 3px solid var(--care);
}

.case-list {
  display: grid;
  gap: 18px;
}

.case-detail {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 34px;
  padding: clamp(24px, 4vw, 42px);
}

.case-meta {
  border-right: 1px solid var(--line);
}

.case-meta strong {
  display: block;
  font-size: 24px;
}

.case-body h2 {
  font-size: clamp(26px, 3vw, 38px);
}

.case-body dl {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
}

.case-body dl div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.case-body dt {
  color: var(--paper);
  font-weight: 900;
}

.case-body dd {
  margin: 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: start;
}

.consult-form,
.contact-panel {
  padding: 30px;
}

.consult-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.consult-form label {
  display: grid;
  gap: 8px;
  color: var(--paper);
  font-weight: 800;
}

.consult-form label:nth-child(6),
.consult-form button,
.form-note {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: var(--paper);
  background: #060809;
  border: 1px solid var(--line);
  border-radius: 6px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--care);
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: var(--care);
}

.contact-panel {
  position: sticky;
  top: 98px;
}

.contact-panel a,
.contact-panel p {
  display: block;
  color: var(--mist);
}

.contact-panel h2 {
  font-size: 28px;
}

.admin-section {
  padding-top: 46px;
}

.admin-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.admin-toolbar h2 {
  margin-bottom: 6px;
}

.admin-controls {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 150px auto auto;
  gap: 10px;
  align-items: center;
}

.records-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 20, 24, 0.86);
  box-shadow: var(--shadow);
}

.records-table {
  width: 100%;
  min-width: 1120px;
  border-collapse: collapse;
}

.records-table th,
.records-table td {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.records-table th {
  color: var(--care);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
}

.records-table td {
  color: var(--paper);
}

.records-table td span {
  display: block;
  color: var(--mist);
  font-size: 13px;
}

.records-table pre {
  margin: 0;
  overflow-x: auto;
  color: var(--care);
  font-family: var(--mono);
  font-size: 12px;
  white-space: pre-wrap;
}

.command-row td {
  background: rgba(0, 0, 0, 0.22);
}

.records-table textarea {
  min-height: 92px;
}

.message-cell {
  max-width: 280px;
  white-space: pre-wrap;
}

.empty-cell {
  padding: 30px;
  color: var(--mist);
  text-align: center;
}

.mini-button {
  min-height: 40px;
  padding: 8px 12px;
}

.admin-subsection {
  margin-top: 42px;
}

.compact-toolbar {
  grid-template-columns: 1fr;
}

.panel-line {
  height: 1px;
  margin: 24px 0;
  background: var(--line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 34px clamp(20px, 4vw, 56px);
  color: var(--mist);
  background: #050708;
  border-top: 1px solid var(--line);
}

.site-footer strong {
  color: var(--paper);
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer address {
  display: grid;
  gap: 4px;
  text-align: right;
  font-style: normal;
}

@media (prefers-reduced-motion: no-preference) {
  .feature-card,
  .case-preview,
  .button {
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
  }

  .feature-card:hover,
  .case-preview:hover {
    transform: translateY(-3px);
    border-color: rgba(147, 215, 199, 0.42);
  }
}

@media (max-width: 1100px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: rgba(8, 11, 13, 0.98);
    border: 1px solid var(--line);
    border-radius: 8px;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 13px 14px;
  }

  .language-switcher {
    justify-content: space-between;
    margin: 8px 0 0;
    padding: 12px;
    border-color: rgba(147, 215, 199, 0.5);
  }

  .language-switcher select {
    width: 170px;
  }

  .site-nav a.active::after {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 96px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(8, 11, 13, 0.9), rgba(8, 11, 13, 0.84)),
      linear-gradient(180deg, rgba(8, 11, 13, 0), var(--ink) 100%);
  }

  .hero-console {
    min-height: auto;
  }

  .split,
  .feature-grid.two,
  .feature-grid.three,
  .case-preview-grid,
  .metrics,
  .admin-toolbar,
  .admin-controls,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .service-list article {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .contact-panel {
    position: static;
  }

  .case-detail {
    grid-template-columns: 1fr;
  }

  .case-meta {
    padding-bottom: 18px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 68px;
    padding-inline: 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    font-size: 10px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-actions,
  .cta-band,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .console-grid,
  .consult-form {
    grid-template-columns: 1fr;
  }

  .consult-form,
  .contact-panel {
    padding: 22px;
  }

  .case-body dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .site-footer address {
    text-align: left;
  }
}