:root {
  color-scheme: light;
  --ink: #17212b;
  --muted-ink: #5b6876;
  --line: #dbe3ea;
  --panel: #ffffff;
  --soft: #f4f7f9;
  --deep: #0c2834;
  --cyan: #18a7bd;
  --gold: #d99a2b;
  --green: #3f8f6b;
  --shadow: 0 18px 50px rgba(23, 33, 43, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 76px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 227, 234, 0.85);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 146px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 24px;
  color: #263544;
  font-size: 15px;
}

.nav a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

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

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  overflow: hidden;
  background: var(--deep);
}

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

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 32, 42, 0.9) 0%, rgba(8, 32, 42, 0.62) 45%, rgba(8, 32, 42, 0.22) 100%),
    linear-gradient(0deg, rgba(8, 32, 42, 0.88) 0%, rgba(8, 32, 42, 0) 42%);
}

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

.hero-content {
  position: relative;
  z-index: 2;
  width: min(780px, calc(100% - 40px));
  padding: clamp(72px, 12vh, 132px) 0 180px;
  margin: 0 auto 0 clamp(20px, 8vw, 170px);
  color: #ffffff;
}

.hero-machine {
  position: absolute;
  z-index: 1;
  right: clamp(-32px, 3vw, 72px);
  bottom: 130px;
  width: min(26vw, 320px);
  min-width: 230px;
  filter: drop-shadow(0 24px 42px rgba(0, 0, 0, 0.32));
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-company {
  display: grid;
  gap: 4px;
  margin-bottom: 20px;
  color: #49d0df;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
}

.hero-company span:first-child {
  font-size: clamp(30px, 3.2vw, 48px);
  line-height: 1.2;
}

.hero-company span:last-child {
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 1.8vw, 26px);
  font-weight: 600;
}

  .hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 1.08;
  letter-spacing: 0;
}

@media (max-width: 1120px) {
  .hero-content {
    width: min(920px, calc(100% - 40px));
    margin-right: auto;
    margin-left: auto;
  }

  .hero-machine {
    display: none;
  }
}


.hero-copy {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button.primary {
  color: #081e28;
  background: var(--gold);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.hero-stats {
  position: absolute;
  right: clamp(20px, 5vw, 72px);
  bottom: 0;
  left: clamp(20px, 5vw, 72px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.hero-stats div {
  min-height: 116px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.hero-stats div:last-child {
  border-right: 0;
}

.hero-stats strong {
  display: block;
  color: var(--deep);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
}

.hero-stats span {
  display: block;
  margin-top: 9px;
  color: var(--muted-ink);
  font-size: 14px;
}

.section {
  padding: clamp(72px, 10vw, 120px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 36px;
}

.section-heading h2,
.contact h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.18;
  letter-spacing: 0;
}

.intro-grid,
.tech-layout,
.team-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 1.12fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.intro-copy {
  color: var(--muted-ink);
  font-size: 18px;
}

.photo-pair {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 16px;
  align-items: end;
}

.photo-pair img,
.team-layout img,
.solution-strip img {
  width: 100%;
  object-fit: cover;
  border-radius: 8px;
  filter: saturate(0.84) contrast(1.08) brightness(0.96);
  box-shadow: var(--shadow);
}

.photo-pair,
.solution-strip figure,
.team-layout {
  position: relative;
}

.photo-pair::after,
.solution-strip figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0) 42%),
    linear-gradient(0deg, rgba(12, 40, 52, 0.12), rgba(12, 40, 52, 0) 52%);
  mix-blend-mode: screen;
}

.photo-pair img:first-child {
  aspect-ratio: 4 / 3;
  object-position: center;
}

.photo-pair img:last-child {
  aspect-ratio: 3 / 4;
  object-position: center;
}

.muted {
  background: var(--soft);
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.strength-grid article {
  min-height: 232px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.strength-grid span {
  color: var(--gold);
  font-weight: 800;
}

.strength-grid h3 {
  margin: 18px 0 10px;
  font-size: 22px;
  line-height: 1.25;
}

.strength-grid p,
.tech-copy p,
.team-layout p,
.contact p {
  margin: 0;
  color: var(--muted-ink);
}

.solution-strip {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr 0.9fr;
  gap: 18px;
  align-items: stretch;
}

.solution-strip figure {
  margin: 0;
}

.solution-strip img {
  height: 280px;
  background: var(--soft);
}

.solution-strip figure:nth-child(2) img {
  object-fit: contain;
  padding: 18px;
}

.solution-strip figcaption {
  margin-top: 14px;
  color: var(--ink);
  font-weight: 700;
}

.tech {
  background: #fbfcfd;
}

.tech-layout {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
}

.process-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.process-list div {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 16px;
  padding: 16px 18px;
  background: #ffffff;
  border-left: 4px solid var(--cyan);
  box-shadow: 0 8px 28px rgba(23, 33, 43, 0.07);
}

.process-list strong {
  color: var(--deep);
}

.process-list span {
  color: var(--muted-ink);
}

.tech-visuals {
  display: grid;
  gap: 18px;
}

.tech-visuals img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.timeline-line {
  display: grid;
  grid-template-columns: repeat(6, minmax(180px, 1fr));
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.timeline-line article {
  min-height: 230px;
  padding: 24px;
  border-top: 4px solid var(--green);
  background: var(--soft);
  border-radius: 0 0 8px 8px;
}

.timeline-line time {
  color: var(--gold);
  font-size: 30px;
  font-weight: 800;
}

.timeline-line h3 {
  margin: 18px 0 10px;
  font-size: 18px;
}

.timeline-line p {
  margin: 0;
  color: var(--muted-ink);
  font-size: 15px;
}

.team {
  background: var(--deep);
  color: #ffffff;
}

.team .section-heading h2,
.team h2 {
  color: #ffffff;
}

.team-layout {
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1fr);
}

.team-layout img {
  aspect-ratio: 16 / 10;
}

.team-layout p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
}

.team-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.team-metrics span {
  padding: 10px 14px;
  color: #e9f4f6;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(60px, 8vw, 96px) clamp(20px, 5vw, 72px);
  background: linear-gradient(90deg, #eef6f7, #fff8ec);
}

.contact div {
  max-width: 820px;
}

.contact p:last-child {
  margin-top: 18px;
  font-size: 18px;
}

.contact-details {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(300px, 1.2fr);
  gap: 14px;
  margin-top: 26px;
}

.contact-details a {
  display: grid;
  gap: 4px;
  min-height: 94px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(219, 227, 234, 0.9);
  border-radius: 8px;
}

.contact-details span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
}

.contact-details strong {
  color: var(--deep);
  font-size: 18px;
  line-height: 1.45;
  word-break: break-word;
}

.map-preview {
  position: relative;
  flex: 0 0 300px;
  min-height: 210px;
  overflow: hidden;
  padding: 22px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(12, 40, 52, 0.92), rgba(24, 167, 189, 0.78)),
    #0c2834;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.map-preview:hover {
  transform: translateY(-2px);
}

.map-grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 34px 34px;
}

.map-grid::after,
.map-grid::before {
  content: "";
  position: absolute;
  height: 3px;
  background: rgba(255, 255, 255, 0.36);
  border-radius: 999px;
  transform: rotate(-24deg);
}

.map-grid::before {
  top: 82px;
  left: -28px;
  width: 230px;
}

.map-grid::after {
  right: -24px;
  bottom: 64px;
  width: 260px;
}

.map-pin {
  position: absolute;
  top: 54px;
  right: 58px;
  width: 34px;
  height: 34px;
  background: var(--gold);
  border: 4px solid #ffffff;
  border-radius: 50% 50% 50% 0;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
  transform: rotate(-45deg);
}

.map-pin::after {
  content: "";
  position: absolute;
  inset: 8px;
  background: #ffffff;
  border-radius: 50%;
}

.map-content {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: end;
  min-height: 166px;
}

.map-content small,
.map-content em {
  color: rgba(255, 255, 255, 0.72);
  font-style: normal;
}

.map-content strong {
  margin: 8px 0 4px;
  font-size: 25px;
  line-height: 1.2;
}

.footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  padding: 26px clamp(20px, 5vw, 72px);
  color: var(--muted-ink);
  border-top: 1px solid var(--line);
}

.footer img {
  width: 110px;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    padding-bottom: 300px;
  }

  .hero-machine {
    right: 20px;
    bottom: 190px;
    width: 240px;
    opacity: 0.82;
  }

  .hero-stats,
  .strength-grid,
  .intro-grid,
  .tech-layout,
  .team-layout,
  .solution-strip {
    grid-template-columns: 1fr 1fr;
  }

  .hero-stats {
    right: 20px;
    left: 20px;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
  }

  .brand img {
    width: 128px;
  }

  .nav {
    gap: 6px 14px;
    font-size: 14px;
  }

  .hero {
    min-height: 860px;
  }

  .hero-media::after {
    background:
      linear-gradient(90deg, rgba(8, 32, 42, 0.9), rgba(8, 32, 42, 0.58)),
      linear-gradient(0deg, rgba(8, 32, 42, 0.92) 0%, rgba(8, 32, 42, 0.2) 62%);
  }

  .hero-content {
    width: calc(100% - 32px);
    padding-top: 54px;
    padding-bottom: 430px;
  }

  .hero-machine {
    right: 16px;
    bottom: 382px;
    width: 190px;
    min-width: 0;
    opacity: 0.72;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-stats,
  .strength-grid,
  .intro-grid,
  .tech-layout,
  .team-layout,
  .solution-strip,
  .photo-pair {
    grid-template-columns: 1fr;
  }

  .hero-stats div {
    min-height: 92px;
    padding: 18px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-stats div:last-child {
    border-bottom: 0;
  }

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .strength-grid article {
    min-height: auto;
  }

  .solution-strip img {
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .process-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

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

  .contact-details {
    grid-template-columns: 1fr;
  }

  .map-preview {
    width: 100%;
    flex-basis: auto;
  }
}