:root {
  --ink: #0b1514;
  --ink-soft: #263b37;
  --muted: #64736f;
  --paper: #f4f8f5;
  --paper-strong: #ffffff;
  --line: #dce8e2;
  --teal: #007c70;
  --teal-deep: #07564f;
  --mint: #23c89d;
  --copper: #bf6b34;
  --amber: #f0ad5b;
  --lime: #b4d96b;
  --shadow: 0 22px 70px rgba(8, 31, 28, 0.13);
  --radius: 8px;
  --container: 1180px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

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

body.nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  transform: translateY(-160%);
  border-radius: 6px;
  background: #fff;
  color: var(--teal-deep);
  padding: 8px 12px;
  box-shadow: var(--shadow);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 16px max(24px, calc((100% - var(--container)) / 2));
  color: #fff;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease, padding 0.25s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 0 var(--line), 0 10px 32px rgba(20, 42, 37, 0.08);
  color: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(31, 207, 162, 0.95), rgba(235, 169, 91, 0.92));
  color: #071412;
  font-weight: 800;
  line-height: 1;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.2;
}

.brand strong {
  font-size: 17px;
  font-weight: 800;
}

.brand small {
  margin-top: 3px;
  color: currentColor;
  font-size: 11px;
  opacity: 0.68;
}

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

.site-nav a {
  border-radius: 6px;
  padding: 9px 14px;
  color: currentColor;
  font-size: 14px;
  font-weight: 700;
  opacity: 0.84;
  transition: background-color 0.2s ease, opacity 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  background: rgba(35, 200, 157, 0.14);
  opacity: 1;
}

.site-nav .nav-cta {
  margin-left: 8px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
}

.site-header.is-scrolled .site-nav .nav-cta,
.site-header.is-open .site-nav .nav-cta {
  border-color: rgba(0, 124, 112, 0.25);
  background: rgba(0, 124, 112, 0.08);
  color: var(--teal-deep);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.11);
  color: currentColor;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  background: #071412;
  color: #fff;
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 17, 17, 0.92) 0%, rgba(7, 17, 17, 0.74) 44%, rgba(7, 17, 17, 0.3) 100%),
    linear-gradient(180deg, rgba(7, 17, 17, 0.48) 0%, rgba(7, 17, 17, 0.1) 56%, rgba(7, 17, 17, 0.86) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 370px;
  align-items: end;
  gap: 48px;
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
  padding: 146px 0 82px;
}

.hero-copy {
  max-width: 730px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--copper);
  font-size: 13px;
  font-weight: 800;
}

.hero .eyebrow {
  color: #ffd19a;
}

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

h1 {
  margin-bottom: 22px;
  font-size: 58px;
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 36px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.35;
  font-weight: 850;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 660px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 19px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  border-radius: 6px;
  padding: 11px 18px;
  font-size: 15px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button svg,
.card-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.button-primary {
  background: var(--mint);
  color: #05201c;
  box-shadow: 0 16px 36px rgba(35, 200, 157, 0.28);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(7, 21, 20, 0.6);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(16px);
}

.panel-status {
  display: flex;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  padding: 17px 20px;
  color: #d8fff4;
  font-size: 14px;
  font-weight: 800;
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgba(35, 200, 157, 0.42);
  animation: pulse 1.8s ease-out infinite;
}

.hero-metrics {
  display: grid;
  gap: 0;
  margin: 0;
}

.hero-metrics div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
}

.hero-metrics div + div {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-metrics dt {
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
}

.hero-metrics dd {
  min-width: 0;
  margin: 0;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.section {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
  padding: 92px 0;
}

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

.section-heading p:last-child,
.split-copy p,
.about-main p,
.contact-section p {
  color: var(--muted);
}

.section-heading.compact {
  max-width: 800px;
}

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

.service-card,
.info-card,
.workflow-item,
.contact-card,
.about-facts > div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: 0 14px 40px rgba(15, 45, 39, 0.06);
}

.service-card {
  min-height: 270px;
  padding: 24px;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 124, 112, 0.28);
  box-shadow: 0 22px 62px rgba(15, 45, 39, 0.12);
}

.service-card p,
.workflow-item p,
.info-card dd,
.about-facts small,
.contact-card small {
  color: var(--muted);
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 8px;
  background: #e4f7f1;
  color: var(--teal);
}

.service-card:nth-child(2) .card-icon {
  background: #f8ecdf;
  color: var(--copper);
}

.service-card:nth-child(3) .card-icon {
  background: #e8f5fa;
  color: #167d91;
}

.service-card:nth-child(4) .card-icon {
  background: #eef5de;
  color: #627c16;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 50px;
  align-items: center;
  width: 100%;
  max-width: none;
  padding: 92px max(24px, calc((100% - var(--container)) / 2));
  background: #ffffff;
}

.split-copy {
  max-width: 540px;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink-soft);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: inset 0 0 0 4px #dff8f1;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.workflow-item {
  position: relative;
  min-height: 190px;
  padding: 26px;
  overflow: hidden;
}

.workflow-item::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -42px;
  width: 118px;
  height: 118px;
  border: 1px solid rgba(0, 124, 112, 0.16);
  border-radius: 8px;
  transform: rotate(18deg);
}

.workflow-item span {
  display: block;
  margin-bottom: 26px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

.workflow-item strong {
  display: block;
  margin-bottom: 9px;
  color: var(--ink);
  font-size: 22px;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 46px;
  align-items: start;
}

.about-main {
  max-width: 690px;
}

.about-facts {
  display: grid;
  gap: 14px;
}

.about-facts > div {
  padding: 20px;
}

.about-facts span,
.info-card dt {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.about-facts strong {
  display: block;
  margin: 7px 0 2px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.32;
  overflow-wrap: anywhere;
}

.about-facts small {
  display: block;
}

.compliance-section {
  width: 100%;
  max-width: none;
  padding: 92px max(24px, calc((100% - var(--container)) / 2));
  background: #eef6f0;
}

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

.info-card {
  padding: 28px;
}

.info-card h3 {
  margin-bottom: 22px;
}

.info-card dl {
  display: grid;
  gap: 18px;
  margin: 0;
}

.info-card div {
  display: grid;
  gap: 5px;
}

.info-card dd {
  margin: 0;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.accent-card {
  border-color: rgba(0, 124, 112, 0.2);
  background:
    linear-gradient(135deg, rgba(35, 200, 157, 0.09), rgba(240, 173, 91, 0.08)),
    #ffffff;
}

.scope-card {
  grid-column: 1 / -1;
}

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

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 42px;
  align-items: center;
}

.contact-section h2 {
  max-width: 560px;
}

.contact-section p {
  max-width: 660px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
}

.contact-card .card-icon {
  flex: 0 0 auto;
  margin: 0;
}

.contact-card strong,
.contact-card small {
  display: block;
}

.contact-card strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
}

.site-footer {
  padding: 38px max(24px, calc((100% - var(--container)) / 2));
  background: #071412;
  color: #eafff8;
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.footer-main p {
  max-width: 560px;
  margin: 0;
  color: rgba(234, 255, 248, 0.66);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding-top: 22px;
  color: rgba(234, 255, 248, 0.72);
  font-size: 13px;
}

.footer-links a {
  color: #a7f2dd;
  font-weight: 800;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.inner-page .site-header {
  background: rgba(255, 255, 255, 0.98);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line);
}

.inner-page .nav-toggle,
.inner-page .site-nav .nav-cta {
  border-color: rgba(0, 124, 112, 0.25);
  color: var(--teal-deep);
}

.page-intro {
  padding: 140px max(24px, calc((100% - var(--container)) / 2)) 54px;
  background: #e5f2ec;
}

.page-intro nav {
  margin-bottom: 24px;
  color: var(--teal-deep);
  font-size: 14px;
}

.page-intro h1 {
  color: var(--ink);
  font-size: clamp(32px, 5vw, 52px);
}

.page-intro p {
  max-width: 760px;
  color: var(--ink-soft);
}

.text-link {
  color: var(--teal-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-next {
  border-top: 1px solid var(--line);
}

.page-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
}

.reveal {
  transform: translateY(18px);
  opacity: 0;
  transition: transform 0.55s ease, opacity 0.55s ease;
}

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

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(35, 200, 157, 0.45);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(35, 200, 157, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(35, 200, 157, 0);
  }
}

@media (max-width: 1040px) {
  h1 {
    font-size: 46px;
  }

  h2 {
    font-size: 31px;
  }

  .hero-inner,
  .split-section,
  .about-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 560px;
  }

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

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

  .contact-card {
    max-width: 620px;
  }
}

@media (max-width: 820px) {
  html {
    scroll-padding-top: 74px;
  }

  .site-header {
    padding: 12px 18px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 67px;
    right: 18px;
    left: 18px;
    display: grid;
    gap: 6px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.98);
    color: var(--ink);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 12px;
  }

  .site-nav .nav-cta {
    margin-left: 0;
    border-color: rgba(0, 124, 112, 0.25);
    background: rgba(0, 124, 112, 0.08);
    color: var(--teal-deep);
  }

  .hero {
    min-height: 0;
  }

  .hero-inner {
    width: min(100% - 36px, var(--container));
    padding: 112px 0 58px;
  }

  .hero-panel {
    display: none;
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 28px;
  }

  .hero-lede {
    font-size: 17px;
  }

  .section,
  .split-section,
  .compliance-section {
    width: 100%;
    padding: 70px 18px;
  }

  .service-grid,
  .workflow,
  .compliance-grid,
  .about-facts {
    grid-template-columns: 1fr;
  }

  .footer-main {
    display: grid;
  }
}

@media (max-width: 520px) {
  .brand strong {
    font-size: 15px;
  }

  .brand small {
    display: none;
  }

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

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 25px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .service-card,
  .workflow-item,
  .info-card,
  .contact-card {
    padding: 20px;
  }

  .footer-links {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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