:root {
  --background: #f6f8f7;
  --foreground: #17201f;
  --muted: #63706e;
  --line: #dce4e1;
  --teal: #0f8f8c;
  --teal-dark: #075f62;
  --amber: #d99227;
  --blue: #215f9d;
  --paper: #ffffff;
  --ink: #17201f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: linear-gradient(180deg, rgba(15, 143, 140, 0.08), transparent 36rem), var(--background);
  color: var(--foreground);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

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

.site-shell {
  min-height: 100vh;
  overflow: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  min-height: 4.25rem;
  margin: 0 auto;
  padding: 0.75rem 0;
  background: rgba(246, 248, 247, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  border-radius: 0.55rem;
  background: var(--ink);
  color: #fff;
  font-weight: 900;
}

nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--teal-dark);
}

.lang-button,
.button {
  min-height: 2.65rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 700;
}

.lang-button {
  padding: 0 1rem;
  background: var(--paper);
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1fr);
  gap: 3rem;
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  min-height: calc(100vh - 5rem);
  margin: 0 auto;
  padding: 3rem 0 4rem;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  max-width: 12em;
  color: #132321;
  font-size: clamp(2.35rem, 4.9vw, 4.45rem);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: 0;
  text-wrap: balance;
  word-break: auto-phrase;
  overflow-wrap: normal;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.65rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 1.1rem 0 0.65rem;
  font-size: 1.25rem;
  line-height: 1.25;
}

.hero-subtitle,
.section-heading p,
.contact-section p,
.service-card p,
.value-item p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-subtitle {
  max-width: 640px;
  margin: 1.45rem 0 0;
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 2rem 0 1.35rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 9rem;
  padding: 0 1.3rem;
}

.button.primary {
  border-color: var(--teal-dark);
  background: var(--teal-dark);
  color: #fff;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
}

.platforms {
  margin: 0;
  color: var(--blue);
  font-weight: 800;
}

.hero-panel {
  position: relative;
  min-height: 590px;
  border-radius: 0.8rem;
  overflow: hidden;
  background: #dfe8e6;
  box-shadow: 0 2rem 5rem rgba(23, 32, 31, 0.16);
}

.hero-panel::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(246, 248, 247, 0.24), transparent 46%);
  pointer-events: none;
}

.hero-panel img {
  width: 100%;
  height: 100%;
  min-height: 590px;
  object-fit: cover;
  object-position: center;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1180px, calc(100% - 2rem));
  margin: -1.5rem auto 5rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.84);
}

.metric-strip div {
  padding: 1.4rem;
  border-right: 1px solid var(--line);
}

.metric-strip div:last-child {
  border-right: 0;
}

.metric-strip strong {
  display: block;
  color: var(--teal-dark);
  font-size: clamp(1.65rem, 2.8vw, 2.3rem);
  line-height: 1;
  overflow-wrap: anywhere;
}

.metric-strip span {
  display: block;
  margin-top: 0.4rem;
  color: var(--muted);
}

.section,
.value-section,
.process-section,
.contact-section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.75rem 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2rem;
}

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

.service-card {
  min-height: 22rem;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--paper);
}

.service-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  background: rgba(15, 143, 140, 0.12);
  color: var(--teal-dark);
  font-weight: 900;
}

.product-section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.75rem 0;
  border-top: 1px solid var(--line);
}

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

.product-card {
  display: flex;
  min-height: 20rem;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: linear-gradient(180deg, #ffffff, #f0f8f7);
}

.product-type {
  display: inline-flex;
  width: fit-content;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(217, 146, 39, 0.14);
  color: #8c5a11;
  font-size: 0.82rem;
  font-weight: 800;
}

.product-card p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.product-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  border: 1px solid var(--teal-dark);
  border-radius: 0.5rem;
  color: var(--teal-dark);
  font-weight: 800;
}

.delivery-note {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 1.5rem;
  align-items: start;
  margin-top: 1rem;
  padding: 1.35rem;
  border-radius: 0.5rem;
  background: var(--ink);
  color: #fff;
}

.delivery-note strong {
  font-size: 1.35rem;
}

.delivery-note p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.75;
}

.value-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.value-list {
  display: grid;
  gap: 1rem;
}

.value-item {
  display: grid;
  grid-template-columns: 1.1rem 1fr;
  gap: 0.8rem;
  align-items: start;
  padding: 1rem 0;
}

.value-item span {
  width: 0.75rem;
  height: 0.75rem;
  margin-top: 0.55rem;
  border-radius: 999px;
  background: var(--amber);
}

.value-item p {
  margin: 0;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  min-height: 8rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: linear-gradient(180deg, #ffffff, #eef7f6);
}

.process-list span {
  color: var(--teal);
  font-weight: 900;
}

.process-list strong {
  display: block;
  margin-top: 1.35rem;
  font-size: 1.12rem;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 0.72fr);
  gap: 3rem;
  align-items: center;
  margin-bottom: 2rem;
  padding: 3rem;
  border-radius: 0.8rem;
  background: var(--ink);
  color: #fff;
}

.contact-section .eyebrow,
.contact-section p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-box {
  display: grid;
  gap: 0.55rem;
  padding: 1.35rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
}

.contact-box span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-box a,
.contact-box p {
  margin: 0 0 0.8rem;
  color: #fff;
  font-size: 1.08rem;
  line-height: 1.5;
}

.contact-box small {
  color: rgba(255, 255, 255, 0.52);
  line-height: 1.5;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  nav {
    display: none;
  }

  .hero,
  .value-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 2rem;
    min-height: auto;
    padding-top: 2rem;
  }

  .hero-panel,
  .hero-panel img {
    min-height: 420px;
  }

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

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

  .delivery-note {
    grid-template-columns: 1fr;
  }

  .process-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .topbar {
    width: min(100% - 1rem, 1180px);
  }

  .brand span:last-child {
    max-width: 10rem;
    white-space: normal;
  }

  .hero,
  .section,
  .product-section,
  .value-section,
  .process-section {
    width: min(100% - 1rem, 1180px);
  }

  .hero-panel,
  .hero-panel img {
    min-height: 310px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2rem, 9.5vw, 2.75rem);
    line-height: 1.12;
  }

  .metric-strip,
  .service-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .metric-strip {
    width: min(100% - 1rem, 1180px);
    margin-bottom: 2.5rem;
  }

  .metric-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-strip div:last-child {
    border-bottom: 0;
  }

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

  .contact-section {
    width: min(100% - 1rem, 1180px);
    padding: 1.35rem;
  }

  footer {
    flex-direction: column;
    width: min(100% - 1rem, 1180px);
  }
}