:root {
  --blue: #2f66b2;
  --blue-dark: #174b8d;
  --ink: #111827;
  --muted: #5b6573;
  --line: #d9e1ea;
  --paper: #f3f7fb;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 24px;
  align-items: center;
  min-height: 74px;
  padding: 12px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 850;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.nav {
  justify-self: center;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(660px, 100%);
  gap: 0;
  color: var(--muted);
  font-size: clamp(18px, 1.55vw, 21px);
  font-weight: 850;
  line-height: 1.2;
}

.nav a {
  text-align: center;
  white-space: nowrap;
}

.nav a:hover,
.nav a.is-active {
  color: var(--blue);
}

.language-switcher {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7f9fc;
}

.language-switcher button {
  min-height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.language-switcher button.is-active {
  color: var(--white);
  background: var(--blue);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.menu-button span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  background: var(--white);
}

.hero-strip {
  display: grid;
  grid-template-columns: repeat(7, minmax(120px, 1fr));
  gap: 10px;
  padding: clamp(18px, 3vw, 36px) clamp(14px, 4vw, 54px);
  overflow-x: auto;
  background: #f5f8fb;
}

.hero-strip img {
  width: 100%;
  min-width: 120px;
  height: 178px;
  object-fit: contain;
  object-position: center;
  padding: 16px;
  border: 1px solid #e8edf3;
  border-radius: 6px;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
}

.hero-title {
  padding: 34px clamp(18px, 5vw, 72px) 42px;
  border-top: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow:empty {
  display: none;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.12;
}

.hero-title p:last-child,
.section-title p {
  max-width: 980px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.section {
  padding: clamp(46px, 7vw, 86px) clamp(16px, 5vw, 72px);
}

.is-company-only main > :not(.hero):not(.contact-bar):not(.customers),
.is-company-only .site-footer {
  display: none;
}

.is-products-only main > :not(.product-intro):not(.catalog),
.is-products-only .site-footer {
  display: none;
}

.is-contact-only main > :not(.contact),
.is-contact-only .site-footer {
  display: none;
}

.section-title {
  margin-bottom: 28px;
}

.company {
  min-height: 62vh;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  max-width: 980px;
}

.profile-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.profile-grid h3 {
  margin-bottom: 12px;
  color: var(--blue-dark);
}

.profile-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.contact-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  align-items: stretch;
  padding: 16px clamp(16px, 5vw, 72px);
  color: var(--white);
  background: var(--blue);
}

.contact-line {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 4px 0;
}

.contact-line-label {
  font-weight: 850;
  white-space: nowrap;
}

.contact-line-label::after {
  content: ":";
}

.contact-line-value {
  overflow-wrap: anywhere;
}

.catalog {
  background: var(--white);
}

.maker-block {
  scroll-margin-top: 96px;
}

.product-intro {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

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

.intro-card {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 120px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfdff;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.intro-card:hover,
.intro-card.is-active {
  border-color: var(--blue);
  box-shadow: 0 12px 28px rgba(47, 102, 178, 0.12);
  transform: translateY(-1px);
}

.intro-card img {
  width: 92px;
  height: 82px;
  object-fit: contain;
  padding: 6px;
  border-radius: 6px;
  background: var(--white);
}

.intro-card span {
  display: grid;
  gap: 8px;
}

.intro-card strong {
  line-height: 1.25;
}

.intro-card em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

.catalog-tools {
  display: grid;
  gap: 14px;
  margin: 24px 0 30px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7fafe;
}

.catalog-search {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.catalog-search label {
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.catalog-search input {
  width: 100%;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
}

.catalog-search button {
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.result-count {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.maker-block {
  margin-top: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.maker-block > h3 {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: center;
  margin: 0 0 18px;
  color: var(--white);
  background: var(--blue);
  border-radius: 999px;
  font-size: 18px;
  font-weight: 750;
  letter-spacing: 0.05em;
}

.product-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  margin-bottom: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfdff;
}

.product-media {
  display: grid;
  gap: 8px;
}

.product-media.multi {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-row.has-multi-media {
  grid-template-columns: minmax(360px, 44%) minmax(0, 1fr);
  align-items: start;
}

.product-row.has-multi-media .product-media {
  gap: 12px;
}

.product-row.has-multi-media .product-media img {
  height: 230px;
}

.product-media img {
  width: 100%;
  height: 160px;
  object-fit: contain;
  padding: 10px;
  border-radius: 8px;
  background: var(--white);
}

.product-row .type {
  margin-bottom: 7px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.product-row h4 {
  margin-bottom: 14px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.18;
}

.product-row dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.product-row dl div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

.product-row dt {
  color: var(--ink);
  font-weight: 800;
  align-self: center;
}

.product-row dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  align-self: center;
}

.facility {
  background: var(--paper);
}

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

.facility-grid img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--white);
}

.customers {
  background: var(--white);
}

.logo-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.logo-strip img {
  width: 100%;
  height: 120px;
  padding: 12px;
  object-fit: contain;
  background: var(--white);
}

.contact {
  background: #f6f8fb;
  color: var(--ink);
}

.contact .eyebrow,
.contact .section-title p {
  color: var(--muted);
}

.inquiry-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(420px, 1.35fr);
  gap: 24px;
  align-items: start;
}

.inquiry-info,
.inquiry-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 48px rgba(17, 24, 39, 0.08);
}

.inquiry-info {
  padding: 28px;
}

.inquiry-info h3,
.inquiry-form h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.inquiry-info > p {
  margin-bottom: 20px;
  color: var(--muted);
  line-height: 1.7;
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  align-items: stretch;
  width: 100%;
  max-width: 100%;
  padding: 0;
  font-style: normal;
}

.contact-card .contact-line {
  grid-template-columns: 120px minmax(0, 1fr);
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.contact-card .contact-line:last-child {
  border-bottom: 0;
}

.contact-card .contact-line-label {
  color: var(--ink);
}

.contact-card .contact-line-value,
.contact-card a {
  color: var(--muted);
}

.inquiry-form {
  padding: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfdff;
  font: inherit;
}

.inquiry-form textarea {
  resize: vertical;
  min-height: 150px;
}

.form-wide {
  grid-column: 1 / -1;
}

.inquiry-form button {
  width: 100%;
  margin-top: 18px;
  border: 0;
  border-radius: 8px;
  padding: 15px 18px;
  color: var(--white);
  background: var(--blue);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(16px, 5vw, 72px);
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid var(--line);
}

@media (max-width: 1020px) {
  .site-header {
    grid-template-columns: auto 1fr auto auto;
  }

  .nav {
    display: none;
  }

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

  .site-header.is-open .nav {
    position: absolute;
    top: 74px;
    left: 16px;
    right: 16px;
    display: grid;
    grid-template-columns: 1fr;
    width: auto;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 20px 48px rgba(17, 24, 39, 0.16);
  }

  .site-header.is-open .nav a {
    padding: 14px;
  }

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

  .facility-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .facility-grid img {
    height: 190px;
  }

  .logo-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .inquiry-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .brand span {
    font-size: 16px;
  }

  .hero-strip {
    grid-template-columns: repeat(7, 128px);
    padding-left: 12px;
    padding-right: 12px;
  }

  .language-switcher button {
    padding: 0 7px;
    font-size: 12px;
  }

  .hero-strip img {
    height: 142px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 30px;
  }

  .profile-grid,
  .logo-strip,
  .intro-grid {
    grid-template-columns: 1fr;
  }

  .facility-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .facility-grid img {
    height: 132px;
  }

  .maker-block > h3 {
    min-height: 54px;
    border-radius: 8px;
  }

  .product-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px;
  }

  .product-row.has-multi-media {
    grid-template-columns: 1fr;
  }

  .product-row img {
    height: 190px;
  }

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

  .product-row.has-multi-media .product-media img {
    height: 210px;
  }

  .product-row dl div {
    grid-template-columns: 1fr;
    gap: 2px;
    padding-top: 8px;
    border-top: 1px solid #e8eef5;
  }

  .form-grid,
  .catalog-search {
    grid-template-columns: 1fr;
  }

  .contact-bar,
  .contact-card,
  .site-footer {
    grid-template-columns: 1fr;
    display: grid;
  }
}