:root {
  --ink: #142329;
  --muted: #56666c;
  --line: #cbd9df;
  --paper: #f8fcfe;
  --sky: #e8f5fb;
  --rose: #ee59b7;
  --rose-soft: #ffd6ed;
  --dark: #152c34;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

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

a:focus-visible {
  outline: 3px solid rgba(238, 89, 183, .35);
  outline-offset: 3px;
}

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

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

.wrap {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(203, 217, 223, .84);
  background: rgba(248, 252, 254, .96);
}

.header-content {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  min-height: 74px;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  justify-self: start;
  gap: 10px;
  white-space: nowrap;
}

.brand-name {
  color: var(--rose);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  font-style: italic;
  font-weight: 700;
}

.brand-divider {
  width: 1px;
  height: 22px;
  background: var(--line);
}

.brand-cn {
  font-size: 16px;
  font-weight: 900;
}

.site-nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  color: #405159;
}

.site-nav a:hover {
  color: var(--rose);
}

.header-phone {
  display: grid;
  justify-self: end;
  justify-items: end;
  gap: 2px;
}

.header-phone span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.header-phone strong {
  color: var(--dark);
  font-size: 15px;
}

.hero {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  background: var(--sky);
}

.hero-rule {
  position: absolute;
  top: 23%;
  right: 0;
  left: 0;
  height: 1px;
  background: rgba(20, 35, 41, .1);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 142px;
}

.eyebrow {
  margin-bottom: 15px;
  color: #47717d;
  font-size: 11px;
  font-weight: 900;
}

.hero h1 {
  max-width: 640px;
  margin-bottom: 22px;
  color: #10242c;
  font-size: clamp(46px, 6vw, 82px);
  line-height: 1.12;
}

.hero-lead {
  max-width: 540px;
  margin-bottom: 31px;
  color: #405961;
  font-size: 17px;
  line-height: 1.8;
}

.primary-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 16px;
  padding: 0 17px;
  border: 1px solid var(--dark);
  border-radius: 5px;
  color: #fff;
  background: var(--dark);
  font-size: 14px;
  font-weight: 800;
}

.primary-link:hover {
  border-color: #284c59;
  background: #284c59;
}

.primary-link span {
  font-size: 20px;
  line-height: 1;
}

.hero-logo {
  position: absolute;
  right: max(6vw, 60px);
  bottom: 44px;
  width: min(38vw, 440px);
  mix-blend-mode: multiply;
}

.about-section,
.services-section,
.scope-section,
.contact-section {
  padding: 108px 0;
}

.about-section {
  background: var(--paper);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(330px, .78fr);
  gap: clamp(48px, 12vw, 190px);
  align-items: start;
}

.about-layout h2,
.section-heading h2,
.scope-layout h2,
.contact-layout h2 {
  margin-bottom: 0;
  font-size: clamp(31px, 3.6vw, 52px);
  line-height: 1.25;
}

.about-copy {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.services-section {
  background: #f3f7f8;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 43px;
}

.section-heading h2 {
  max-width: 670px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-item {
  min-height: 265px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.service-index {
  display: block;
  margin-bottom: 64px;
  color: var(--rose);
  font-size: 13px;
  font-weight: 900;
}

.service-item h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.service-item p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.scope-section {
  color: #eaf4f7;
  background: var(--dark);
}

.scope-section .eyebrow {
  color: var(--rose-soft);
}

.scope-layout {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) minmax(270px, .72fr);
  gap: 34px;
  align-items: end;
}

.scope-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #c4d2d7;
}

.scope-list li {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(196, 210, 215, .28);
}

.contact-section {
  background: var(--rose-soft);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, .84fr) minmax(360px, 1fr);
  gap: clamp(48px, 12vw, 185px);
}

.contact-intro {
  max-width: 420px;
  margin: 18px 0 0;
  color: #604858;
  line-height: 1.75;
}

.contact-details {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid rgba(20, 35, 41, .2);
}

.contact-details div {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(20, 35, 41, .2);
}

.contact-details dt {
  color: #604858;
  font-size: 13px;
  font-weight: 700;
}

.contact-details dd {
  margin: 0;
  font-weight: 800;
  line-height: 1.6;
}

.contact-details a {
  color: #9d2675;
  font-size: 20px;
}

.site-footer {
  padding: 24px 0;
  color: #cbd8dc;
  background: #10232a;
  font-size: 13px;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-content p {
  margin: 0;
}

.footer-content a:hover {
  color: #fff;
}

@media (max-width: 820px) {
  .wrap {
    width: calc(100% - 36px);
  }

  .header-content {
    grid-template-columns: 1fr auto;
    min-height: 66px;
  }

  .site-nav {
    display: none;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    padding-top: 112px;
  }

  .hero-logo {
    right: 30px;
    bottom: 42px;
    width: min(54vw, 390px);
    opacity: .88;
  }

  .about-section,
  .services-section,
  .scope-section,
  .contact-section {
    padding: 76px 0;
  }

  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .service-item {
    min-height: 0;
  }

  .service-index {
    margin-bottom: 36px;
  }

  .scope-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .scope-layout .eyebrow {
    margin-bottom: 0;
  }
}

@media (max-width: 520px) {
  .wrap {
    width: calc(100% - 32px);
  }

  .brand-name {
    font-size: 24px;
  }

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

  .brand-divider {
    height: 18px;
  }

  .header-phone span {
    display: none;
  }

  .header-phone strong {
    font-size: 13px;
  }

  .hero {
    min-height: 655px;
  }

  .hero-content {
    padding-top: 94px;
  }

  .hero h1 {
    max-width: 330px;
    font-size: 43px;
  }

  .hero-lead {
    max-width: 310px;
    font-size: 15px;
  }

  .hero-logo {
    right: 16px;
    bottom: 38px;
    width: 63vw;
  }

  .about-layout h2,
  .section-heading h2,
  .scope-layout h2,
  .contact-layout h2 {
    font-size: 31px;
  }

  .contact-details div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .footer-content {
    align-items: start;
    flex-direction: column;
    gap: 8px;
  }
}