:root {
  --bg: #ffffff;
  --ink: #2f3033;
  --ink-strong: #202124;
  --muted: #687079;
  --line: #dedede;
  --line-soft: #eeeeee;
  --accent: #27d66f;
  --accent-dark: #16a955;
  --dark: #303030;
  --soft: #f8f9f8;
  --shadow: 0 22px 60px rgba(20, 24, 28, 0.08);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
}

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

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

.site-header,
.site-footer,
.section-pad,
.intro-line {
  width: min(1280px, calc(100% - 96px));
  margin: 0 auto;
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: #111;
}

.brand-logo {
  width: auto;
  height: 30px;
}

.brand-mark {
  width: 30px;
  height: 30px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  gap: 2px;
}

.brand-mark span {
  background: #111;
}

.brand-mark span:nth-child(1) { grid-column: 1 / 3; grid-row: 1 / 2; }
.brand-mark span:nth-child(2) { grid-column: 1 / 2; grid-row: 2 / 4; }
.brand-mark span:nth-child(3) { grid-column: 2 / 5; grid-row: 2 / 3; }
.brand-mark span:nth-child(4) { grid-column: 4 / 5; grid-row: 3 / 5; }
.brand-mark span:nth-child(5) { grid-column: 2 / 4; grid-row: 4 / 5; }
.brand-mark span:nth-child(6) { grid-column: 1 / 2; grid-row: 5 / 6; }
.brand-mark span:nth-child(7) { grid-column: 3 / 4; grid-row: 5 / 6; }
.brand-mark span:nth-child(8) { grid-column: 5 / 6; grid-row: 1 / 2; }
.brand-mark span:nth-child(9) { grid-column: 5 / 6; grid-row: 5 / 6; }

.brand-text {
  font-size: 8px;
  line-height: 1.15;
  letter-spacing: 1.7px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 30px;
  color: #34373a;
  font-size: 15px;
}

.site-nav a,
.nav-trigger {
  transition: color 160ms ease;
}

.site-nav a:hover,
.nav-trigger:hover {
  color: var(--accent-dark);
}

.nav-dropdown {
  position: relative;
}

.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 0;
  padding: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.nav-trigger svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-trigger {
  gap: 7px;
}

.icon-trigger svg:first-child {
  width: 18px;
  height: 18px;
}

.nav-submenu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  min-width: 250px;
  display: grid;
  gap: 0;
  padding: 10px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(20, 24, 28, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.nav-submenu-right {
  left: auto;
  right: 0;
  min-width: 140px;
  transform: translate(0, 8px);
}

.nav-dropdown:hover .nav-submenu,
.nav-dropdown:focus-within .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.nav-dropdown:hover .nav-submenu-right,
.nav-dropdown:focus-within .nav-submenu-right {
  transform: translate(0, 0);
}

.nav-submenu a {
  display: block;
  padding: 10px 14px;
  color: var(--ink);
  white-space: nowrap;
}

.nav-submenu a:hover {
  color: var(--ink);
  background: #f7f7f7;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 26px;
  border: 1px solid var(--dark);
  font-weight: 800;
  line-height: 1;
}

.nav-cta {
  color: #fff;
  background: var(--dark);
}

.button {
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-dark {
  color: #fff;
  background: var(--dark);
}

.button-dark:hover {
  background: #111;
}

.button-light {
  color: var(--ink);
  background: #fff;
}

.button-light:hover {
  border-color: var(--accent-dark);
  color: var(--accent-dark);
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-direction: column;
  border: 1px solid var(--line);
  background: #fff;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink-strong);
}

.section-pad {
  padding: 98px 0;
}

.section-kicker {
  margin: 0 0 24px;
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 800;
}

.page-title {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.68fr);
  align-items: end;
  gap: 76px;
  padding-top: 146px;
  padding-bottom: 88px;
  border-bottom: 1px solid var(--line);
}

.page-title-copy {
  max-width: 720px;
}

.page-title h1 {
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(38px, 4vw, 52px);
  font-weight: 500;
  line-height: 1.28;
}

.page-title p:last-child {
  margin: 24px 0 0;
  color: var(--muted);
}

.page-title-panel {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-height: 226px;
  border: 1px solid rgba(222, 222, 222, 0.82);
  overflow: hidden;
}

.panel-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#ced2d0 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.74;
}

.page-title-panel div:not(.panel-dots) {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 112px;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  background: rgba(255, 255, 255, 0.72);
  border-right: 1px solid rgba(222, 222, 222, 0.72);
  border-bottom: 1px solid rgba(222, 222, 222, 0.72);
}

.page-title-panel div:nth-child(3),
.page-title-panel div:nth-child(5) {
  border-right: 0;
}

.page-title-panel div:nth-child(4),
.page-title-panel div:nth-child(5) {
  border-bottom: 0;
}

.page-title-panel span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.page-title-panel strong {
  margin-top: 8px;
  color: var(--ink-strong);
  font-size: 34px;
  line-height: 1;
}

.hero {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  align-items: center;
  gap: 78px;
  padding-top: 54px;
  padding-bottom: 80px;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 500;
  line-height: 1.16;
}

.hero h1 span {
  display: inline-block;
  color: var(--accent);
  font-weight: 900;
}

.hero-lede {
  max-width: 610px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 38px;
}

.hero-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 22px;
  min-height: 360px;
}

.matrix-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#ced2d0 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.82;
}

.hero-board::before,
.hero-board::after {
  content: "";
  position: absolute;
  background: linear-gradient(90deg, transparent, #dcdedc, transparent);
}

.hero-board::before {
  left: 33.333%;
  top: 42px;
  bottom: 42px;
  width: 1px;
}

.hero-board::after {
  left: 42px;
  right: 42px;
  top: 50%;
  height: 1px;
}

.matrix-item {
  position: relative;
  z-index: 1;
  min-height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  color: #404348;
  background: rgba(255, 255, 255, 0.72);
}

.matrix-item span {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
}

.matrix-item strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
}

.intro-line {
  display: grid;
  grid-template-columns: 0.6fr 1fr 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-line div {
  padding: 32px 34px;
  border-right: 1px solid var(--line);
}

.intro-line div:last-child {
  border-right: 0;
}

.intro-line span {
  display: block;
  color: var(--ink-strong);
  font-size: 28px;
  font-weight: 900;
  line-height: 1.1;
}

.intro-line p {
  margin: 8px 0 0;
  color: var(--muted);
}

.section-heading {
  max-width: none;
  margin-bottom: 54px;
  display: grid;
  grid-template-columns: minmax(0, 0.52fr) minmax(300px, 0.48fr);
  gap: 40px;
  align-items: end;
}

.section-heading-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 500;
  line-height: 1.2;
}

.section-heading p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
}

.case-list {
  display: grid;
  gap: 28px;
}

.reveal-item {
  opacity: 1;
  transform: none;
}

.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.case-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  min-height: 460px;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}

.case-card::before {
  content: none;
}

.case-card-reverse {
  grid-template-columns: minmax(340px, 0.92fr) minmax(0, 1.08fr);
}

.case-card-reverse .case-media {
  order: 2;
}

.case-media {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(246, 247, 246, 0.96)),
    radial-gradient(#cfd4d1 1px, transparent 1px);
  background-size: auto, 18px 18px;
}

.case-media::before {
  content: "";
  position: absolute;
  inset: 26px;
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(248, 249, 248, 0.08) 50%, rgba(32, 33, 36, 0.035) 50%),
    linear-gradient(0deg, rgba(248, 249, 248, 0.09) 50%, rgba(32, 33, 36, 0.035) 50%);
  background-size: 18px 18px;
  border: 1px solid rgba(24, 26, 28, 0.1);
  opacity: 0.5;
  pointer-events: none;
}

.case-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  pointer-events: none;
}

.case-media-clear::before {
  content: none;
}

.case-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
  object-position: top center;
  border: 1px solid rgba(24, 26, 28, 0.14);
  background: #111;
  box-shadow: 0 18px 38px rgba(20, 24, 28, 0.1);
  filter: blur(1.4px) grayscale(0.05) contrast(0.98) saturate(0.95);
  transform: scale(1.01);
}

.case-media-clear img {
  filter: none;
  transform: none;
}

.case-copy {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(34px, 5vw, 62px);
}

.case-watermark {
  position: absolute;
  top: clamp(24px, 4vw, 44px);
  left: clamp(24px, 4vw, 44px);
  color: rgba(47, 48, 51, 0.075);
  font-size: clamp(66px, 8vw, 120px);
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

.case-index {
  position: relative;
  margin: 0 0 18px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
}

.case-copy h3 {
  position: relative;
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 600;
  line-height: 1.1;
}

.case-copy > p:not(.case-index) {
  margin: 22px 0 0;
  color: var(--muted);
}

.case-points {
  position: relative;
  display: grid;
  gap: 0;
  margin: 30px 0 0;
  border-top: 1px solid var(--line-soft);
}

.case-points div {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.case-points dt {
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 900;
}

.case-points dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  width: max-content;
  color: var(--ink-strong);
  font-weight: 900;
}

.text-link svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: square;
  stroke-linejoin: miter;
  transition: transform 160ms ease;
}

.text-link:hover {
  color: var(--accent-dark);
}

.text-link:hover svg {
  transform: translate(3px, -3px);
}

.confidential {
  padding-top: 44px;
}

.confidential-grid,
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.confidential-card,
.process-grid article {
  position: relative;
  min-height: 246px;
  border: 1px solid var(--line);
  padding: 32px 28px;
  background: #fff;
}

.confidential-card::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--dark) 0 42px, var(--line-soft) 42px 100%);
}

.confidential-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: #fff;
  background: var(--dark);
  font-size: 13px;
  font-weight: 900;
}

.confidential-card h3,
.process-grid h3 {
  margin: 26px 0 0;
  color: var(--ink-strong);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
}

.confidential-card p,
.process-grid p {
  margin: 18px 0 0;
  color: var(--muted);
}

.official-services {
  padding-top: 60px;
}

.services-split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 70px;
  align-items: start;
}

.services-split h2 {
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(30px, 3.5vw, 42px);
  font-weight: 500;
  line-height: 1.2;
}

.services-split p {
  color: var(--muted);
}

.mini-card-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.mini-card-row article,
.service-list article,
.why-grid article {
  border: 1px solid var(--line);
  padding: 28px;
  background: #fff;
}

.mini-card-row h3,
.service-list h3,
.why-grid h3 {
  margin: 0;
  color: var(--ink-strong);
  font-size: 21px;
  font-weight: 600;
}

.mini-card-row p,
.service-list p,
.why-grid p {
  margin: 14px 0 0;
  color: var(--muted);
}

.service-list {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.process {
  padding-top: 36px;
}

.process-time {
  color: rgba(47, 48, 51, 0.64) !important;
  font-style: italic;
}

.why {
  padding-top: 48px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.site-footer {
  min-height: 220px;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) auto;
  align-items: start;
  gap: 24px;
  padding-top: 54px;
  padding-bottom: 54px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 220px));
  gap: 40px;
}

.footer-links h3 {
  margin: 0 0 14px;
  color: var(--ink-strong);
  font-size: 16px;
}

.footer-links a {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

@media (max-width: 1080px) {
  .site-header,
  .site-footer,
  .section-pad,
  .intro-line {
    width: min(100% - 48px, 980px);
  }

  .page-title {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .hero-board {
    min-height: 300px;
  }

  .case-card,
  .case-card-reverse {
    grid-template-columns: 1fr;
  }

  .case-card-reverse .case-media {
    order: 0;
  }

  .case-media {
    min-height: auto;
    aspect-ratio: 16 / 10;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

  .services-split,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 15px;
  }

  .site-header,
  .site-footer,
  .section-pad,
  .intro-line {
    width: min(100% - 32px, 680px);
  }

  .site-header {
    min-height: 76px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 14px 16px;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-trigger {
    width: 100%;
    justify-content: space-between;
    padding: 14px 16px;
  }

  .nav-submenu,
  .nav-submenu-right {
    position: static;
    min-width: 0;
    display: grid;
    padding: 0 0 8px 18px;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-dropdown:hover .nav-submenu,
  .nav-dropdown:focus-within .nav-submenu,
  .nav-dropdown:hover .nav-submenu-right,
  .nav-dropdown:focus-within .nav-submenu-right {
    transform: none;
  }

  .nav-submenu a {
    padding: 8px 16px;
  }

  .nav-cta {
    margin-top: 8px;
  }

  .section-pad {
    padding: 66px 0;
  }

  .page-title {
    padding-top: 72px;
    padding-bottom: 48px;
  }

  .page-title h1 {
    font-size: clamp(34px, 10vw, 44px);
  }

  .page-title-panel {
    grid-template-columns: 1fr 1fr;
    min-height: 0;
  }

  .page-title-panel div:not(.panel-dots) {
    min-height: 104px;
    padding: 20px;
  }

  .page-title-panel strong {
    font-size: 30px;
  }

  .hero {
    min-height: auto;
    padding-top: 52px;
  }

  .hero h1 {
    font-size: clamp(36px, 11vw, 52px);
  }

  .hero-lede {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-board {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .hero-board::before,
  .hero-board::after {
    display: none;
  }

  .matrix-item {
    min-height: 112px;
    padding: 22px;
    border-bottom: 1px solid rgba(220, 222, 220, 0.82);
  }

  .matrix-item:last-child {
    border-bottom: 0;
  }

  .intro-line {
    grid-template-columns: 1fr;
  }

  .intro-line div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 24px 0;
  }

  .intro-line div:last-child {
    border-bottom: 0;
  }

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

  .case-copy {
    padding: 30px 22px 34px;
  }

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

  .confidential-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .confidential-card,
  .process-grid article {
    min-height: auto;
  }

  .site-footer {
    align-items: flex-start;
  }

  .mini-card-row,
  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}