* {
  box-sizing: border-box;
}

:root {
  --ink: #0b1f33;
  --muted: #5e6c7d;
  --line: #dfe6ec;
  --paper: #f6f8fa;
  --white: #ffffff;
  --accent: #d46b2c;
  --accent-dark: #a44c1e;
  --soft-blue: #dbe7f2;
  --max-width: 1180px;
  --shadow: 0 20px 55px rgba(11, 31, 51, 0.10);
}

html {
  scroll-behavior: smooth;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(223, 230, 236, 0.9);
}

.nav-wrap {
  min-height: 78px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
  border-radius: 12px;
}

.brand-text {
  display: grid;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 1.02rem;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.72rem;
  margin-top: 4px;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 26px;
}

.main-nav a {
  font-size: 0.92rem;
  font-weight: 650;
  color: #32465a;
}

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

.language-switcher {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--paper);
  border-radius: 10px;
}

.language-switcher button {
  border: 0;
  padding: 6px 8px;
  background: transparent;
  color: var(--muted);
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
}

.language-switcher button.active {
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 4px 12px rgba(11, 31, 51, 0.08);
}

.menu-button {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

.hero {
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(219, 231, 242, 0.75), rgba(255, 255, 255, 0.9) 45%, rgba(249, 231, 219, 0.65));
  padding: 92px 0 84px;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(360px, 0.86fr);
  align-items: center;
  gap: 68px;
}

.eyebrow {
  margin: 0 0 16px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--accent-dark);
}

.eyebrow.light {
  color: #f2a36e;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.9rem, 6vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.hero-lead {
  max-width: 680px;
  margin: 28px 0 0;
  font-size: 1.16rem;
  color: #405367;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 750;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

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

.button.primary {
  color: var(--white);
  background: var(--accent);
  box-shadow: 0 12px 24px rgba(212, 107, 44, 0.24);
}

.button.primary:hover {
  background: var(--accent-dark);
}

.button.secondary {
  border-color: #bac7d3;
  background: rgba(255, 255, 255, 0.65);
}

.button.wide {
  width: 100%;
}

.trust-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-top: 46px;
  padding-top: 24px;
  border-top: 1px solid rgba(94, 108, 125, 0.25);
}

.trust-row div {
  display: grid;
  gap: 4px;
}

.trust-row strong {
  font-size: 0.94rem;
}

.trust-row span {
  color: var(--muted);
  font-size: 0.84rem;
}

.hero-panel {
  position: relative;
  min-height: 470px;
  padding: 38px;
  border: 1px solid rgba(11, 31, 51, 0.12);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px dashed rgba(11, 31, 51, 0.18);
  border-radius: 20px;
  pointer-events: none;
}

.bridge-graphic {
  position: relative;
  z-index: 1;
  height: 245px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
}

.node {
  display: grid;
  place-items: center;
  height: 82px;
  min-width: 82px;
  padding: 0 12px;
  color: var(--white);
  font-weight: 850;
  border-radius: 18px;
  letter-spacing: 0.04em;
}

.node.china {
  background: var(--accent);
}

.node.world {
  background: var(--ink);
  min-width: 104px;
}

.bridge-line {
  position: relative;
  height: 36px;
}

.bridge-line::before,
.bridge-line::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ink);
}

.bridge-line::before {
  top: 10px;
}

.bridge-line::after {
  bottom: 10px;
}

.bridge-line span {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border-radius: 50%;
  background: var(--accent);
}

.bridge-line span:nth-child(1) { left: 18%; }
.bridge-line span:nth-child(2) { left: 48%; }
.bridge-line span:nth-child(3) { left: 78%; }

.hero-card {
  position: relative;
  z-index: 1;
  margin-top: 24px;
  padding: 24px;
  color: var(--white);
  background: var(--ink);
  border-radius: 16px;
}

.hero-card p {
  margin: 0 0 10px;
  color: #f3b58e;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.hero-card ul {
  margin: 0;
  padding-left: 20px;
}

.hero-card li + li {
  margin-top: 6px;
}

.section {
  padding: 88px 0;
}

.intro-strip {
  padding: 52px 0;
  background: var(--ink);
  color: var(--white);
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 38px;
}

.three-col article {
  position: relative;
  padding-left: 52px;
}

.number {
  position: absolute;
  left: 0;
  top: 2px;
  color: #f2a36e;
  font-size: 0.85rem;
  font-weight: 800;
}

.three-col h2 {
  margin: 0;
  font-size: 1.1rem;
}

.three-col p {
  margin: 8px 0 0;
  color: #c5d0da;
  font-size: 0.91rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading h2,
.about-grid h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.section-heading > p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.service-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  box-shadow: 0 12px 28px rgba(11, 31, 51, 0.05);
}

.icon-box {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--soft-blue);
  font-size: 1.4rem;
  font-weight: 900;
}

.service-card h3 {
  margin: 22px 0 14px;
  font-size: 1.4rem;
}

.service-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.service-card li + li {
  margin-top: 9px;
}

.note {
  margin-top: 28px;
  padding: 18px 22px;
  border-left: 4px solid var(--accent);
  background: #fff6ef;
  color: #4e3b2f;
  border-radius: 0 12px 12px 0;
}

.alt-section {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.project-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 16px 36px rgba(11, 31, 51, 0.06);
}

.project-visual {
  position: relative;
  height: 230px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.project-visual > span {
  position: absolute;
  top: 18px;
  right: 20px;
  font-weight: 900;
  color: rgba(255,255,255,0.8);
}

.project-visual svg {
  width: 72%;
  max-height: 150px;
  fill: none;
  stroke: rgba(255,255,255,0.92);
  stroke-width: 5;
}

.project-visual.automotive {
  background: linear-gradient(145deg, #122b43, #32516c);
}

.project-visual.glassware {
  background: linear-gradient(145deg, #8b4a2a, #d78952);
}

.project-body {
  padding: 30px;
}

.project-type {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.status.active {
  color: #8a3f16;
  background: #fff0e5;
  border: 1px solid #f0c2a4;
}

.status.available {
  color: #1e5d45;
  background: #e9f7f0;
  border: 1px solid #b7decf;
}

.project-body h3 {
  margin: 0;
  font-size: 1.55rem;
}

.project-body > p:not(.project-type) {
  margin: 15px 0 0;
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.tag-row span {
  padding: 6px 9px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #4a5c6d;
  font-size: 0.76rem;
  font-weight: 700;
}

.process-list {
  display: grid;
  gap: 14px;
}

.process-list article {
  display: grid;
  grid-template-columns: 70px 1fr;
  align-items: start;
  gap: 24px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 18px;
}

.process-list article > span {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--white);
  font-weight: 850;
}

.process-list h3 {
  margin: 0;
  font-size: 1.15rem;
}

.process-list p {
  margin: 6px 0 0;
  color: var(--muted);
}

.dark-section {
  background: var(--ink);
  color: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 70px;
}

.about-grid > div:last-child > p {
  margin-top: 0;
  color: #c7d1da;
  font-size: 1.04rem;
}

.about-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.14);
}

.about-meta div {
  display: grid;
  gap: 5px;
}

.about-meta span {
  color: #c7d1da;
}

.contact-section {
  background:
    radial-gradient(circle at 15% 20%, rgba(212, 107, 44, 0.12), transparent 33%),
    var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 64px;
  align-items: start;
}

.contact-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.03rem;
}

.contact-cards {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.contact-cards a {
  display: grid;
  gap: 3px;
  padding: 17px 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--white);
}

.contact-cards a:hover {
  border-color: #9babb9;
}

.contact-cards span {
  color: var(--muted);
  word-break: break-word;
}

.enquiry-form {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.enquiry-form label {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
  font-weight: 700;
  font-size: 0.9rem;
}

.enquiry-form input,
.enquiry-form select,
.enquiry-form textarea {
  width: 100%;
  border: 1px solid #cbd6df;
  border-radius: 10px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fbfcfd;
  outline: none;
}

.enquiry-form input:focus,
.enquiry-form select:focus,
.enquiry-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 107, 44, 0.12);
}

.form-note {
  margin: 11px 0 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.75rem;
}

.site-footer {
  padding: 36px 0;
  color: #c6d0da;
  background: #071522;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: end;
}

.site-footer strong {
  color: var(--white);
}

.site-footer p {
  margin: 4px 0 0;
  font-size: 0.83rem;
}

.footer-grid > div:last-child {
  text-align: right;
}

@media (max-width: 980px) {
  .nav-wrap {
    grid-template-columns: auto auto 1fr;
  }

  .menu-button {
    display: block;
    justify-self: end;
    order: 2;
  }

  .language-switcher {
    justify-self: end;
    order: 3;
  }

  .main-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 72px;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 11px 10px;
  }

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

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

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, var(--max-width));
  }

  .brand-text small {
    display: none;
  }

  .nav-wrap {
    min-height: 68px;
    gap: 12px;
  }

  .language-switcher button {
    padding: 5px 6px;
  }

  .hero {
    padding: 66px 0 58px;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 14vw, 4.2rem);
  }

  .hero-grid {
    gap: 42px;
  }

  .hero-panel {
    min-height: auto;
    padding: 22px;
  }

  .bridge-graphic {
    height: 190px;
    gap: 10px;
  }

  .node {
    min-width: 66px;
    height: 66px;
    font-size: 0.82rem;
  }

  .node.world {
    min-width: 82px;
  }

  .trust-row,
  .three-col,
  .service-grid,
  .project-grid,
  .about-meta {
    grid-template-columns: 1fr;
  }

  .three-col article {
    padding-left: 45px;
  }

  .section {
    padding: 66px 0;
  }

  .process-list article {
    grid-template-columns: 52px 1fr;
    gap: 14px;
    padding: 19px;
  }

  .process-list article > span {
    width: 44px;
    height: 44px;
  }

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

  .footer-grid > div:last-child {
    text-align: left;
  }
}