:root {
  --bg: #ffffff;
  --paper: #fbfcfc;
  --layout: #f7f8f8;
  --ink: #161818;
  --muted: #667075;
  --soft: #8b9498;
  --line: #e5e5e7;
  --green: #82b68c;
  --teal: #3fb6a8;
  --coral: #ff574a;
  --coral-soft: #fff0ed;
  --signal: #9dff45;
  --grad: linear-gradient(135deg, #82b68c, #3fb6a8);
  color: var(--ink);
  font-family: "Alibaba PuHuiTi", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(760px 420px at 12vw 0, rgba(204, 229, 255, 0.32), transparent 72%),
    radial-gradient(720px 460px at 86vw 4vh, rgba(217, 245, 230, 0.42), transparent 72%),
    linear-gradient(180deg, var(--bg), var(--paper));
  color: var(--ink);
}

a {
  color: inherit;
}

img,
svg,
video,
canvas {
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3,
p,
dd,
dt,
a {
  overflow-wrap: anywhere;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  min-height: 72px;
  padding: 0 clamp(22px, 4vw, 64px);
  border-bottom: 1px solid rgba(229, 229, 231, 0.72);
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(16px);
}

.brand img {
  display: block;
  width: 120px;
  height: auto;
}

.nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}

.nav a,
.nav-cta,
.button,
.email-link {
  text-decoration: none;
}

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

.mobile-menu {
  display: none;
}

.nav-cta,
.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 760;
}

.nav-cta {
  justify-self: end;
  padding: 0 18px;
  border: 1px solid var(--line);
  background: var(--bg);
}

main {
  width: min(1120px, calc(100vw - 40px));
  max-width: 100%;
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: clamp(36px, 7vw, 86px);
  align-items: center;
  padding: clamp(82px, 10vw, 128px) 0 96px;
}

.hero > *,
.section-title > *,
.about-section > * {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: color-mix(in srgb, var(--teal) 60%, var(--ink));
  font-size: 13px;
  font-weight: 780;
}

.eyebrow span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--signal);
  box-shadow: 0 0 0 6px rgba(157, 255, 69, 0.14);
}

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

h1 {
  max-width: 12ch;
  margin-bottom: 24px;
  font-size: clamp(44px, 5.4vw, 68px);
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 20px;
}

p,
dd {
  color: var(--muted);
  line-height: 1.82;
}

.hero-lede {
  max-width: 620px;
  margin-bottom: 0;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.primary {
  border: 0;
  padding: 0 24px;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 12px 28px rgba(63, 182, 168, 0.22);
}

.secondary {
  padding: 0 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
}

.company-card,
.service-grid article,
.scene-grid article,
.process-list article,
.contact-card {
  border: 1px solid rgba(229, 229, 231, 0.94);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 1px 2px rgba(20, 30, 25, 0.04), 0 16px 38px rgba(20, 30, 25, 0.06);
}

.company-card {
  border-radius: 24px;
  padding: 30px;
}

.card-label {
  margin-bottom: 14px;
  color: var(--soft);
  font-size: 13px;
}

.company-card h2 {
  margin-bottom: 28px;
  font-size: clamp(28px, 3vw, 38px);
}

.company-card dl {
  display: grid;
  gap: 0;
  margin-bottom: 0;
}

.company-card div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.company-card dt {
  color: var(--ink);
  font-weight: 760;
}

.company-card dd {
  margin: 0;
}

.section-block,
.scene-section,
.process-section,
.about-section {
  padding: 86px 0;
}

.section-title {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(260px, 0.65fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 32px;
}

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

.service-grid article {
  min-height: 240px;
  border-radius: 22px;
  padding: 28px;
}

.service-grid article::before {
  content: "";
  display: block;
  width: 34px;
  height: 4px;
  margin-bottom: 28px;
  border-radius: 999px;
  background: var(--grad);
}

.scene-section {
  border-radius: 32px;
  padding-right: 34px;
  padding-left: 34px;
  background: rgba(247, 248, 248, 0.72);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.scene-grid article {
  min-height: 174px;
  border-radius: 20px;
  padding: 24px;
}

.scene-grid span {
  display: inline-flex;
  margin-bottom: 18px;
  border-radius: 999px;
  padding: 7px 11px;
  background: rgba(130, 182, 140, 0.14);
  color: color-mix(in srgb, var(--green) 72%, var(--ink));
  font-size: 13px;
  font-weight: 780;
}

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

.process-list article {
  display: grid;
  grid-template-columns: 76px 180px 1fr;
  gap: 24px;
  align-items: center;
  border-radius: 18px;
  padding: 22px 26px;
}

.process-list span {
  color: var(--coral);
  font-weight: 780;
}

.process-list h3,
.process-list p {
  margin-bottom: 0;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 68px;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-title h2 {
  font-size: clamp(30px, 3.2vw, 42px);
}

.about-title p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.about-copy {
  display: grid;
  gap: 16px;
  max-width: 720px;
}

.about-copy p {
  margin-bottom: 0;
  font-size: 17px;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 26px 0 96px;
  border-radius: 24px;
  padding: 32px;
}

.contact-card p {
  margin-bottom: 0;
}

.email-link {
  display: inline-flex;
  flex: 0 0 auto;
  padding: 14px 18px;
  border-radius: 999px;
  background: var(--coral-soft);
  color: var(--coral);
  font-weight: 760;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(22px, 4vw, 64px);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: var(--muted);
  font-size: 13px;
}

.site-footer strong {
  margin-right: 10px;
  color: var(--ink);
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.legal-links a {
  text-decoration: none;
}

.police-mark {
  display: inline-flex;
  width: 12px;
  height: 12px;
  margin-right: 4px;
  border: 1px solid currentColor;
  border-radius: 3px;
}

@media (max-width: 980px) {
  .hero,
  .section-title,
  .about-section {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (max-width: 720px) {
  body {
    width: 100vw;
    max-width: 100vw;
  }

  .site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    width: 100vw;
    max-width: 100vw;
    padding: 0 14px;
    overflow-x: hidden;
  }

  .site-header > * {
    min-width: 0;
  }

  .brand img {
    width: 112px;
  }

  .nav,
  .nav-cta {
    display: none;
  }

  .mobile-menu {
    position: fixed;
    top: 12px;
    right: 14px;
    display: block;
    flex: 0 0 auto;
    margin-left: auto;
    justify-self: end;
    z-index: 30;
  }

  .mobile-menu summary {
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    cursor: pointer;
    list-style: none;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu summary span {
    width: 16px;
    height: 2px;
    border-radius: 999px;
    background: var(--ink);
  }

  .mobile-menu div {
    position: fixed;
    top: 62px;
    right: 0;
    z-index: 20;
    display: grid;
    width: 230px;
    max-width: calc(100vw - 28px);
    gap: 4px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 40px rgba(20, 30, 25, 0.12);
  }

  .mobile-menu a {
    min-height: 40px;
    border-radius: 12px;
    padding: 10px 12px;
    color: var(--muted);
    text-decoration: none;
  }

  .mobile-menu a:hover,
  .mobile-menu a:focus {
    background: var(--layout);
    color: var(--ink);
  }

  .mobile-menu .mobile-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
    background: var(--grad);
    color: #fff;
    font-weight: 760;
  }

  main {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
    padding: 0;
    overflow-x: hidden;
  }

  main *,
  .site-header * {
    max-width: 100%;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    padding: 56px 0 62px;
  }

  h1 {
    width: 100%;
    max-width: 9em;
    font-size: clamp(29px, 8.2vw, 34px);
    line-height: 1.16;
    word-break: break-all;
  }

  p,
  dd,
  dt,
  h2,
  h3,
  .eyebrow {
    word-break: break-all;
  }

  .hero-lede {
    max-width: 100%;
    font-size: 16px;
  }

  h2 {
    width: 100%;
    max-width: 9em;
    font-size: clamp(24px, 6.8vw, 30px);
    word-break: break-all;
  }

  .company-card h2 {
    width: 100%;
    max-width: 100%;
  }

  .company-card,
  .service-grid article,
  .scene-grid article,
  .process-list article,
  .contact-card {
    border-radius: 18px;
  }

  .company-card {
    padding: 22px;
  }

  .company-card div,
  .process-list article {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .section-block,
  .scene-section,
  .process-section,
  .about-section {
    padding: 58px 0;
  }

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

  .scene-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .contact-card,
  .site-footer,
  .legal-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .email-link {
    max-width: 100%;
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .site-header {
    min-height: 66px;
  }

  .brand img {
    width: 104px;
  }

  main {
    width: calc(100vw - 24px);
    max-width: calc(100vw - 24px);
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    font-size: clamp(31px, 9.4vw, 39px);
  }

  .hero-actions {
    gap: 10px;
  }

  .button {
    min-height: 40px;
    padding-right: 18px;
    padding-left: 18px;
  }

  .company-card,
  .service-grid article,
  .scene-grid article,
  .process-list article,
  .contact-card {
    padding: 20px;
  }

  .section-block,
  .scene-section,
  .process-section,
  .about-section {
    padding: 50px 0;
  }
}