:root {
  --ink: #172822;
  --ink-soft: #52615b;
  --paper: #f7f4ec;
  --paper-deep: #eee9dd;
  --white: #fffdf8;
  --green: #183f3a;
  --green-2: #245f56;
  --mint: #b9d9cc;
  --coral: #e9634d;
  --line: rgba(23, 40, 34, 0.13);
  --shadow: 0 24px 60px rgba(24, 63, 58, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

svg {
  display: block;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 16px;
  color: #fff;
  background: var(--green);
  border-radius: 8px;
  transform: translateY(-160%);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(247, 244, 236, 0.94);
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(23, 40, 34, 0.06);
  backdrop-filter: blur(15px);
}

.header-inner {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--green);
  border-radius: 13px;
}

.brand-mark svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.1;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 17px;
  letter-spacing: 0.08em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 9px;
  letter-spacing: 0.17em;
}

.primary-navigation {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 600;
}

.primary-navigation > a:not(.nav-cta) {
  position: relative;
}

.primary-navigation > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--coral);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.primary-navigation > a:hover::after,
.primary-navigation > a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 10px 18px;
  color: #fff;
  background: var(--green);
  border-radius: 999px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--green-2);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 0;
}

.menu-toggle span {
  display: block;
  width: 23px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 154px 0 46px;
  overflow: hidden;
  background:
    radial-gradient(circle at 86% 20%, rgba(185, 217, 204, 0.55), transparent 31%),
    linear-gradient(180deg, var(--paper), #f4f0e6 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: 84px;
  left: calc(50% + 320px);
  width: 1px;
  height: 460px;
  background: rgba(23, 40, 34, 0.11);
  transform: rotate(17deg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  align-items: center;
  gap: 56px;
  min-height: 610px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  color: var(--green-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.eyebrow > span {
  width: 30px;
  height: 2px;
  background: var(--coral);
}

.eyebrow-light {
  color: var(--mint);
}

.hero h1,
.section h2,
.contact h2 {
  margin: 0;
  font-family: "Songti SC", SimSun, serif;
  font-weight: 700;
  line-height: 1.21;
  letter-spacing: -0.035em;
}

.hero h1 {
  font-size: clamp(44px, 4.7vw, 68px);
}

.hero-intro {
  max-width: 610px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

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

.button {
  min-height: 51px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border: 1px solid var(--green);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

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

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--green-2);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: #fff;
  background: var(--green);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 38px 0 0;
  padding: 0;
  color: var(--ink-soft);
  font-size: 13px;
  list-style: none;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-points span {
  color: var(--coral);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero-visual {
  position: relative;
  min-height: 530px;
}

.visual-core {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  width: 230px;
  height: 230px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--green);
  border: 12px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  box-shadow: var(--shadow);
  transform: translate(-50%, -50%);
}

.core-kicker {
  margin-bottom: 12px;
  color: var(--mint);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.3em;
}

.visual-core strong {
  font-family: "Songti SC", SimSun, serif;
  font-size: 30px;
}

.visual-core small {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.64);
}

.visual-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(24, 63, 58, 0.21);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 380px;
  height: 380px;
}

.orbit-two {
  width: 500px;
  height: 500px;
  border-style: dashed;
}

.visual-card {
  position: absolute;
  z-index: 4;
  min-width: 176px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  box-shadow: 0 16px 35px rgba(24, 63, 58, 0.12);
  backdrop-filter: blur(10px);
}

.visual-card div {
  display: flex;
  flex-direction: column;
}

.visual-card small {
  color: var(--ink-soft);
  font-size: 11px;
}

.visual-card strong {
  font-size: 14px;
}

.card-icon {
  width: 38px;
  height: 38px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  color: #fff;
  background: var(--coral);
  border-radius: 11px;
  font-family: "Songti SC", SimSun, serif;
  font-weight: 700;
}

.card-a {
  top: 62px;
  left: 18px;
}

.card-b {
  top: 195px;
  right: -10px;
}

.card-c {
  bottom: 60px;
  left: 28px;
}

.visual-dot {
  position: absolute;
  z-index: 2;
  width: 14px;
  height: 14px;
  background: var(--coral);
  border: 4px solid var(--paper);
  border-radius: 50%;
}

.dot-a {
  top: 86px;
  right: 105px;
}

.dot-b {
  bottom: 118px;
  right: 75px;
}

.dot-c {
  bottom: 178px;
  left: 62px;
}

.trust-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 20px 28px;
  background: rgba(255, 253, 248, 0.7);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.trust-strip p {
  margin: 0;
  font-family: "Songti SC", SimSun, serif;
  font-size: 17px;
  font-weight: 700;
}

.trust-items {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--ink-soft);
  font-size: 13px;
}

.trust-items span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trust-items i {
  width: 7px;
  height: 7px;
  background: var(--coral);
  border-radius: 50%;
}

.section {
  padding: 120px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: end;
  gap: 70px;
}

.section h2,
.contact h2 {
  font-size: clamp(36px, 4.1vw, 54px);
}

.section-heading > p {
  margin: 0 0 7px;
  color: var(--ink-soft);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 58px;
}

.service-card {
  position: relative;
  min-height: 450px;
  padding: 32px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover {
  z-index: 2;
  box-shadow: var(--shadow);
  transform: translateY(-7px);
}

.service-card-featured {
  color: #fff;
  background: var(--green);
}

.service-number {
  color: var(--coral);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.service-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin: 58px 0 24px;
  color: var(--green);
  background: var(--paper-deep);
  border-radius: 16px;
}

.service-card-featured .service-icon {
  color: var(--green);
  background: var(--mint);
}

.service-icon svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.service-card h3 {
  margin: 0 0 14px;
  font-family: "Songti SC", SimSun, serif;
  font-size: 24px;
}

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

.service-card-featured p,
.service-card-featured li {
  color: rgba(255, 255, 255, 0.68);
}

.service-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  padding: 5px 10px;
  color: var(--ink-soft);
  background: rgba(24, 63, 58, 0.06);
  border-radius: 999px;
  font-size: 11px;
}

.service-card-featured li {
  background: rgba(255, 255, 255, 0.1);
}

.scope-note {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin: 24px 0 0;
  padding: 14px 18px;
  color: var(--ink-soft);
  background: rgba(255, 253, 248, 0.7);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 12px;
}

.scope-note span {
  width: 20px;
  height: 20px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  color: #fff;
  background: var(--green-2);
  border-radius: 50%;
  font-family: serif;
  font-size: 12px;
  font-style: italic;
}

.process {
  color: #fff;
  background: var(--green);
}

.process-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
  gap: 110px;
}

.process-intro > p:not(.eyebrow) {
  max-width: 470px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

.process-quote {
  display: flex;
  gap: 15px;
  margin-top: 60px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.process-quote span {
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 40px;
  line-height: 1;
}

.process-quote p {
  margin: 0;
  font-family: "Songti SC", SimSun, serif;
  font-size: 19px;
}

.process-steps {
  margin: 0;
  padding: 0;
  counter-reset: steps;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.process-steps li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.step-number {
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.process-steps h3 {
  margin: -5px 0 5px;
  font-family: "Songti SC", SimSun, serif;
  font-size: 24px;
}

.process-steps p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
}

.about {
  background: var(--white);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  align-items: center;
  gap: 95px;
}

.about-visual {
  position: relative;
  min-height: 570px;
}

.about-block {
  position: absolute;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.about-block-main {
  inset: 0 38px 52px 0;
  padding: 48px;
  color: #fff;
  background: var(--green);
}

.about-block-main span {
  display: block;
  color: var(--mint);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.about-block-main strong {
  display: block;
  margin-top: 8px;
  font-family: "Songti SC", SimSun, serif;
  font-size: 47px;
}

.about-block-main svg {
  position: absolute;
  right: 8px;
  bottom: 42px;
  width: 82%;
  fill: none;
  stroke: var(--mint);
  stroke-width: 2.2;
}

.about-block-main circle {
  fill: var(--coral);
  stroke: var(--green);
  stroke-width: 4;
}

.about-block-small {
  right: 0;
  bottom: 0;
  width: 285px;
  padding: 24px 28px;
  color: var(--ink);
  background: var(--paper-deep);
  border: 9px solid var(--white);
}

.about-block-small small,
.about-block-small strong {
  display: block;
}

.about-block-small small {
  color: var(--ink-soft);
  font-size: 11px;
}

.about-block-small strong {
  margin-top: 4px;
  font-size: 15px;
  letter-spacing: 0.05em;
}

.about-lead {
  margin: 30px 0 0;
  color: var(--ink);
  font-size: 18px;
}

.about-copy > p:not(.eyebrow):not(.about-lead) {
  margin: 20px 0 0;
  color: var(--ink-soft);
}

.company-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 42px 0 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.company-facts div {
  min-height: 98px;
  padding: 19px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.company-facts dt {
  color: var(--ink-soft);
  font-size: 11px;
}

.company-facts dd {
  margin: 5px 0 0;
  font-size: 14px;
  font-weight: 700;
}

.contact {
  padding: 76px 0;
  background: var(--paper);
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 70px;
  padding: 58px 64px;
  color: #fff;
  background: var(--coral);
  border-radius: var(--radius-lg);
}

.contact .eyebrow-light {
  color: rgba(255, 255, 255, 0.75);
}

.contact .eyebrow-light span {
  background: var(--green);
}

.contact-details {
  padding-left: 36px;
  border-left: 1px solid rgba(255, 255, 255, 0.35);
}

.contact-details > div + div {
  margin-top: 25px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.contact-details small {
  color: rgba(255, 255, 255, 0.7);
}

.contact-details p {
  margin: 3px 0 0;
  font-weight: 700;
}

.site-footer {
  color: rgba(255, 255, 255, 0.65);
  background: #102b27;
}

.footer-main {
  min-height: 175px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: center;
  gap: 40px;
}

.brand-footer .brand-mark {
  color: var(--green);
  background: var(--mint);
}

.brand-footer .brand-copy strong {
  color: #fff;
}

.brand-footer .brand-copy small {
  color: rgba(255, 255, 255, 0.48);
}

.footer-main > p {
  margin: 0;
  font-size: 13px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 25px;
  font-size: 13px;
}

.footer-links a:hover,
.footer-links a:focus-visible,
.filing-links a:hover,
.filing-links a:focus-visible {
  color: #fff;
}

.footer-legal {
  min-height: 67px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 11px;
}

.footer-legal p {
  margin: 0;
}

.filing-links {
  display: flex;
  gap: 18px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .section-heading,
  .process-layout,
  .about-layout,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 20px;
  }

  .hero-copy {
    padding-top: 30px;
  }

  .hero-visual {
    min-height: 520px;
    transform: scale(0.9);
  }

  .section-heading,
  .process-layout,
  .about-layout,
  .contact-panel {
    gap: 52px;
  }

  .service-card {
    padding: 26px;
  }

  .service-icon {
    margin-top: 42px;
  }

  .about-layout {
    align-items: start;
  }

  .about-visual {
    max-width: 600px;
    width: 100%;
    margin-inline: auto;
  }

  .contact-panel {
    padding: 50px;
  }

  .contact-details {
    padding: 30px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.35);
    border-left: 0;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .header-inner {
    height: 72px;
  }

  .brand-copy strong {
    font-size: 15px;
  }

  .brand-copy small {
    font-size: 8px;
  }

  .menu-toggle {
    position: relative;
    z-index: 102;
    display: block;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

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

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .primary-navigation {
    position: fixed;
    inset: 0;
    z-index: 101;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 28px;
    padding: 80px 32px;
    visibility: hidden;
    opacity: 0;
    background: var(--paper);
    transform: translateY(-20px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .primary-navigation.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .primary-navigation a {
    font-family: "Songti SC", SimSun, serif;
    font-size: 28px;
  }

  .nav-cta {
    margin-top: 10px;
    padding: 12px 24px;
    color: #fff;
    font-family: inherit !important;
    font-size: 16px !important;
  }

  .hero {
    min-height: auto;
    padding: 116px 0 36px;
  }

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

  .hero h1 {
    font-size: clamp(42px, 12vw, 58px);
  }

  .hero-intro {
    font-size: 15px;
  }

  .hero-points {
    gap: 13px;
  }

  .hero-visual {
    min-height: 430px;
    margin-inline: -20px;
    transform: scale(0.78);
  }

  .trust-strip {
    align-items: flex-start;
    flex-direction: column;
  }

  .trust-items {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .section {
    padding: 86px 0;
  }

  .section h2,
  .contact h2 {
    font-size: 38px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .process-layout {
    gap: 60px;
  }

  .process-quote {
    margin-top: 36px;
  }

  .about-visual {
    min-height: 460px;
  }

  .about-block-main {
    inset: 0 18px 44px 0;
    padding: 34px;
  }

  .about-block-main strong {
    font-size: 38px;
  }

  .about-block-small {
    width: 245px;
  }

  .company-facts {
    grid-template-columns: 1fr;
  }

  .contact {
    padding: 50px 0;
  }

  .contact-panel {
    padding: 38px 28px;
    border-radius: 22px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 42px 0;
  }

  .footer-main > p {
    text-align: left;
  }

  .footer-legal {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px 0;
  }
}

@media (max-width: 430px) {
  .hero-visual {
    margin: -28px -88px;
    transform: scale(0.66);
  }

  .trust-items {
    align-items: flex-start;
    flex-direction: column;
  }

  .about-visual {
    min-height: 410px;
  }

  .about-block-main {
    padding: 27px;
  }

  .about-block-main strong {
    font-size: 32px;
  }

  .about-block-small {
    width: 220px;
    padding: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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