:root {
  --ink: #16231f;
  --muted: #66736d;
  --paper: #f6faf8;
  --surface: #ffffff;
  --surface-strong: #edf5f1;
  --line: #d9e3df;
  --green: #0f766e;
  --green-hover: #115e59;
  --green-dark: #10251f;
  --blue: #2563eb;
  --amber: #b45309;
  --rose: #be123c;
  --shadow: 0 18px 44px rgba(22, 35, 31, 0.11);
  --radius: 8px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

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

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

p,
h1,
h2,
h3,
h4 {
  margin-top: 0;
}

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.shortcut-strip {
  background: var(--green-dark);
  color: #eaf5f1;
  font-size: 0.92rem;
}

.shortcut-strip__inner {
  display: flex;
  gap: 18px;
  align-items: center;
  min-height: 42px;
  overflow-x: auto;
  white-space: nowrap;
}

.shortcut-strip strong {
  color: #ffffff;
  font-weight: 700;
}

.shortcut-strip nav {
  display: flex;
  gap: 12px;
  align-items: center;
}

.shortcut-strip a {
  color: #d7eee7;
}

.shortcut-strip a:hover {
  color: #ffffff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
  color: var(--green-dark);
  line-height: 1.1;
}

.brand span {
  font-size: 1.3rem;
  font-weight: 800;
}

.brand strong {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  border-radius: var(--radius);
  padding: 0 12px;
  color: #31423d;
  font-weight: 650;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--surface-strong);
  color: var(--green-dark);
}

.nav-toggle {
  display: none;
  min-width: 48px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle__bars {
  display: grid;
  gap: 5px;
  width: 22px;
}

.nav-toggle__bars i {
  display: block;
  height: 2px;
  background: currentColor;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button-row--spaced {
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 12px 18px;
  font-weight: 800;
  line-height: 1.2;
}

.button--primary {
  background: var(--green);
  color: #ffffff;
}

.button--primary:hover {
  background: var(--green-hover);
}

.button--secondary {
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.button--secondary:hover {
  background: rgba(255, 255, 255, 0.18);
}

.button--outline {
  border-color: var(--green);
  background: #ffffff;
  color: var(--green-dark);
}

.button--outline:hover {
  border-color: var(--green-hover);
  color: var(--green-hover);
}

.hero {
  position: relative;
  display: grid;
  min-height: clamp(560px, 76svh, 720px);
  align-items: end;
  overflow: hidden;
  background: var(--green-dark);
  color: #ffffff;
}

.hero--compact {
  min-height: clamp(460px, 62svh, 600px);
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 28, 23, 0.88), rgba(10, 28, 23, 0.54) 48%, rgba(10, 28, 23, 0.2));
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 84px 0 70px;
}

.eyebrow {
  margin-bottom: 12px;
  color: #d4efe7;
  font-size: 0.95rem;
  font-weight: 800;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: 4.35rem;
  line-height: 1.06;
  letter-spacing: 0;
}

.hero p {
  max-width: 700px;
  color: #eff8f5;
  font-size: 1.16rem;
}

.hero .button-row {
  margin-top: 28px;
}

.section {
  padding: 78px 0;
}

.section--white {
  background: var(--surface);
}

.section--tint {
  background: var(--surface-strong);
}

.section-header {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-header__label {
  margin-bottom: 8px;
  color: var(--green);
  font-weight: 800;
}

.section-header h2 {
  margin-bottom: 12px;
  font-size: 2.25rem;
  line-height: 1.22;
}

.section-header p {
  margin-bottom: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 22px;
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.16rem;
  line-height: 1.35;
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
}

.card__meta {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 800;
}

.product-card {
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 100%;
  border-top: 4px solid var(--green);
}

.product-card:nth-child(3n + 2) {
  border-top-color: var(--blue);
}

.product-card:nth-child(3n) {
  border-top-color: var(--amber);
}

.product-card__link {
  color: var(--green);
  font-weight: 800;
}

.problem-card {
  display: grid;
  gap: 14px;
  border-left: 4px solid var(--green);
}

.problem-card:nth-child(4n + 2) {
  border-left-color: var(--blue);
}

.problem-card:nth-child(4n + 3) {
  border-left-color: var(--amber);
}

.problem-card:nth-child(4n) {
  border-left-color: var(--rose);
}

.problem-card__point {
  display: grid;
  gap: 4px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.problem-card__point strong {
  color: var(--green-dark);
  font-size: 0.9rem;
}

.problem-card__point span {
  color: var(--muted);
}

.industry-card {
  display: grid;
  gap: 14px;
  border-top: 4px solid var(--green);
  background: #ffffff;
}

.industry-card:nth-child(3n + 2) {
  border-top-color: var(--blue);
}

.industry-card:nth-child(3n) {
  border-top-color: var(--rose);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag-list span,
.tag-list a {
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f8fbfa;
  padding: 5px 10px;
  color: var(--green-dark);
  font-size: 0.88rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.tag-list--links a {
  background: #ffffff;
  color: var(--green);
}

.tag-list--links a:hover {
  border-color: var(--green);
  color: var(--green-hover);
}

.color-card {
  border-top: 4px solid var(--amber);
  background: #fffdfa;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 42px;
  align-items: center;
}

.split--reverse {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.framed-image {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.framed-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.check-list,
.plain-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.plain-list li {
  position: relative;
  padding-left: 24px;
  color: #31423d;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--green);
  content: "✓";
  font-weight: 900;
}

.plain-list li::before {
  position: absolute;
  left: 0;
  color: var(--amber);
  content: "•";
  font-weight: 900;
}

.timeline {
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.timeline__item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 20px 20px 20px 64px;
}

.timeline__item::before {
  position: absolute;
  top: 20px;
  left: 20px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: #ffffff;
  content: counter(step);
  counter-increment: step;
  font-weight: 900;
}

.timeline__item h3 {
  margin-bottom: 4px;
  font-size: 1.08rem;
}

.timeline__item p {
  margin-bottom: 0;
  color: var(--muted);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric {
  border-left: 4px solid var(--green);
  background: #ffffff;
  padding: 20px;
}

.metric:nth-child(2) {
  border-left-color: var(--blue);
}

.metric:nth-child(3) {
  border-left-color: var(--amber);
}

.metric:nth-child(4) {
  border-left-color: var(--rose);
}

.metric strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.55rem;
  line-height: 1;
}

.metric span {
  color: var(--muted);
}

.band {
  background: var(--green-dark);
  color: #ffffff;
}

.band .section-header p,
.band .card p {
  color: #d9eee8;
}

.band .card {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
}

.band .card__meta {
  color: #bceadd;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  padding: 30px;
}

.cta-panel h2 {
  margin-bottom: 8px;
  font-size: 1.7rem;
}

.cta-panel p {
  margin-bottom: 0;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 15px 16px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-strong);
  color: var(--green-dark);
}

tr:last-child td {
  border-bottom: 0;
}

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

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  color: var(--green-dark);
  font-weight: 800;
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
  padding: 36px 0;
  color: var(--muted);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer a {
  color: var(--green-dark);
  font-weight: 700;
}

@media (max-width: 980px) {
  .grid--4,
  .grid--3,
  .metric-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .split--reverse .framed-image {
    order: -1;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 70px;
    right: 20px;
    left: 20px;
    display: none;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow);
    padding: 10px;
  }

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

  .site-nav a {
    width: 100%;
    justify-content: flex-start;
  }

  .shortcut-strip__inner {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .shortcut-strip__inner {
    min-height: 40px;
  }

  .hero,
  .hero--compact {
    min-height: 540px;
  }

  .hero__shade {
    background: rgba(10, 28, 23, 0.74);
  }

  .hero__content {
    padding: 64px 0 48px;
  }

  .hero h1 {
    font-size: 2.35rem;
  }

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

  .button-row,
  .cta-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 58px 0;
  }

  .grid--4,
  .grid--3,
  .grid--2,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .card,
  .cta-panel {
    padding: 20px;
  }

  .timeline__item {
    padding-right: 16px;
  }

  .site-footer__inner {
    flex-direction: column;
  }
}
