:root {
  --navy-950: #071728;
  --navy-900: #0b2035;
  --navy-800: #12304c;
  --navy-700: #1a4166;
  --steel-700: #536675;
  --steel-500: #7d8c98;
  --steel-200: #dbe2e8;
  --steel-100: #edf1f5;
  --paper: #ffffff;
  --line: rgba(13, 38, 62, .13);
  --cyan: #49bfe7;
  --gold: #c4a15a;
  --shadow: 0 18px 45px rgba(7, 23, 40, .12);
  --radius: 8px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--navy-900);
  background: #f7f9fb;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.skip-link {
  position: fixed;
  left: 14px;
  top: -80px;
  z-index: 1000;
  background: var(--paper);
  padding: 8px 12px;
  border: 1px solid var(--line);
}
.skip-link:focus { top: 14px; }
.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.94);
  box-shadow: 0 1px 0 rgba(7,23,40,.08);
  backdrop-filter: blur(16px);
}
.topbar {
  background: var(--navy-950);
  color: rgba(255,255,255,.82);
  font-size: 13px;
}
.topbar__inner, .navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.topbar__inner { min-height: 34px; }
.topbar__links {
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
}
.navbar__inner { min-height: 76px; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--navy-900), var(--navy-700));
  color: #fff;
  font-weight: 800;
  letter-spacing: .04em;
}
.brand strong { display: block; font-size: 18px; letter-spacing: .02em; }
.brand small { display: block; color: var(--steel-700); font-size: 11px; text-transform: uppercase; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu a {
  padding: 10px 13px;
  color: var(--navy-800);
  font-size: 15px;
  border-radius: 6px;
}
.nav-menu a:hover, .nav-menu a.is-active { background: var(--steel-100); color: var(--navy-950); }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--navy-900);
}
.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--navy-950);
  color: #fff;
}
.hero__media, .hero__grid, .hero__photo {
  position: absolute;
  inset: 0;
}
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,23,40,.95) 0%, rgba(7,23,40,.78) 45%, rgba(7,23,40,.24) 100%);
}
.hero__grid {
  background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .7;
}
.hero__photo {
  left: 34%;
  opacity: .82;
  filter: saturate(.92);
}
.hero__photo svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--container);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: currentColor;
}
.hero-slider {
  position: relative;
  min-height: 248px;
  max-width: 760px;
  margin-top: 16px;
}
.hero-slide {
  position: absolute;
  inset: 0 auto auto 0;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}
.hero-slide.is-active {
  opacity: 1;
  transform: translateY(0);
}
.hero h1 {
  margin: 0 0 20px;
  max-width: 780px;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: 0;
}
.hero p {
  max-width: 650px;
  margin: 0;
  color: rgba(255,255,255,.82);
  font-size: 18px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--cyan);
  color: var(--navy-950);
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(73,191,231,.28);
}
.btn--ghost {
  color: #fff;
  border-color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.08);
}
.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  max-width: 660px;
  margin-top: 46px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
}
.hero__metrics div {
  padding: 20px;
  border-right: 1px solid rgba(255,255,255,.12);
}
.hero__metrics div:last-child { border-right: 0; }
.hero__metrics strong { display: block; font-size: 30px; line-height: 1.1; }
.hero__metrics span { color: rgba(255,255,255,.7); font-size: 13px; }
.section { padding: 86px 0; }
.section--compact { padding: 0; background: #fff; }
.section--tint { background: var(--steel-100); }
.section--dark {
  background: var(--navy-950);
  color: #fff;
}
.section-head {
  max-width: 720px;
  margin-bottom: 34px;
}
.section-head--row {
  display: flex;
  max-width: none;
  justify-content: space-between;
  align-items: end;
  gap: 38px;
}
.section-head--row p { max-width: 480px; }
h2 {
  margin: 10px 0 12px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.18;
  letter-spacing: 0;
}
h3 { margin: 0 0 10px; line-height: 1.3; }
p { margin: 0 0 14px; color: var(--steel-700); }
.section--dark p { color: rgba(255,255,255,.72); }
.lead { font-size: 17px; color: #435564; }
.quick-contact {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  transform: translateY(-50%);
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.quick-contact a {
  padding: 22px 24px;
  border-right: 1px solid var(--line);
}
.quick-contact a:last-child { border-right: 0; }
.quick-contact span { display: block; color: var(--steel-700); font-size: 13px; }
.quick-contact strong { display: block; margin-top: 4px; color: var(--navy-950); }
.service-grid, .product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.service-card, .product-card, .case-card, .news-card, .job-list article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(7, 23, 40, .06);
}
.product-card {
  padding: 24px;
  display: grid;
  gap: 14px;
  min-height: 260px;
}
.product-card__head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}
.product-card__category, .product-card__status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 800;
}
.product-card__category { color: var(--navy-800); background: var(--steel-100); }
.product-card__status { color: #075432; background: #dff5e8; white-space: nowrap; }
.product-card__visual {
  height: 128px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(73,191,231,.2), rgba(255,255,255,.2)),
    repeating-linear-gradient(90deg, #e7edf3 0 12px, #f7f9fb 12px 24px);
  border: 1px solid var(--line);
  position: relative;
}
.product-card__visual::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  top: 34px;
  height: 52px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--navy-800), #8498aa);
  box-shadow: 0 14px 24px rgba(7,23,40,.16);
}
.product-card h3 { margin-bottom: 0; }
.product-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--steel-700);
  font-size: 14px;
}
.product-card__price {
  color: var(--navy-950);
  font-weight: 900;
}
.service-card {
  padding: 26px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
}
.service-card__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 8px;
  background: var(--steel-100);
  color: var(--navy-800);
  font-weight: 900;
}
.service-card p { flex: 1; }
.service-card button, .product-card button, .news-card button, .case-card button {
  align-self: start;
  border: 0;
  background: transparent;
  color: var(--navy-700);
  font-weight: 800;
  padding: 0;
  cursor: pointer;
}
.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 52px;
  align-items: start;
}
.timeline {
  margin-top: 28px;
  border-left: 2px solid var(--navy-700);
}
.timeline div {
  position: relative;
  padding: 0 0 24px 24px;
}
.timeline div::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
}
.timeline time {
  display: block;
  color: var(--navy-950);
  font-weight: 800;
}
.license-card {
  display: grid;
  gap: 16px;
}
.license-card__paper, .team-panel, .service-area, .qr-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.license-card__paper {
  min-height: 250px;
  background: linear-gradient(135deg, #fff, #f6f8fb);
  position: relative;
  overflow: hidden;
}
.license-card__paper strong { display: block; margin: 16px 0 8px; font-size: 22px; }
.license-stamp {
  position: absolute;
  right: 26px;
  bottom: 24px;
  width: 92px;
  height: 92px;
  display: grid;
  place-items: center;
  border: 3px solid rgba(196,40,40,.56);
  border-radius: 50%;
  color: rgba(196,40,40,.7);
  font-weight: 800;
  transform: rotate(-12deg);
}
.case-grid, .news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.case-card { overflow: hidden; }
.case-card__visual {
  height: 176px;
  background: linear-gradient(135deg, var(--navy-800), #dde5ec);
  position: relative;
}
.case-card__visual::after {
  content: "";
  position: absolute;
  inset: 28px;
  border: 1px solid rgba(255,255,255,.45);
  background-image: linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px);
  background-size: 24px 24px;
}
.case-card__body, .news-card { padding: 24px; }
.case-tag, .news-card time {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}
.advantages {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 48px;
}
.advantage-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.advantage-list article {
  padding: 26px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
}
.advantage-list strong { color: var(--cyan); }
.news-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
}
.news-card p { flex: 1; }
.jobs-layout, .form-layout, .contact-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 52px;
  align-items: start;
}
.job-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.job-list article { padding: 26px; }
.job-list a { color: var(--navy-700); font-weight: 800; }
.check-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.check-list li {
  padding: 10px 0 10px 28px;
  position: relative;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}
.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-form--flat { margin-top: 24px; box-shadow: none; }
.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--navy-800);
  font-weight: 700;
}
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%;
  border: 1px solid var(--steel-200);
  border-radius: 6px;
  padding: 11px 12px;
  color: var(--navy-900);
  background: #fff;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: 2px solid rgba(73,191,231,.35);
  border-color: var(--cyan);
}
.form-note { min-height: 24px; margin: 0; font-size: 14px; color: var(--navy-700); }
address {
  font-style: normal;
  font-size: 18px;
  color: #435564;
  margin-bottom: 22px;
}
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.contact-cards a {
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.contact-cards span { display: block; color: var(--steel-700); font-size: 13px; }
.contact-cards strong { display: block; color: var(--navy-950); margin-top: 4px; font-size: 14px; }
.contact-side { display: grid; gap: 16px; }
.qr {
  width: 156px;
  height: 156px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 14px;
  background: #fff;
  border: 10px solid var(--navy-950);
}
.qr span { background: repeating-linear-gradient(45deg, var(--navy-950) 0 6px, #fff 6px 12px); }
.map {
  width: 100%;
  min-height: 330px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,.78);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .6fr;
  gap: 40px;
  padding: 50px 0 34px;
}
.brand--footer .brand__mark { background: #fff; color: var(--navy-950); }
.brand--footer strong { color: #fff; }
.brand--footer small, .site-footer p { color: rgba(255,255,255,.68); }
.site-footer h3 { color: #fff; }
.copyright {
  border-top: 1px solid rgba(255,255,255,.1);
  text-align: center;
  padding: 16px;
  font-size: 14px;
}
.float-tools {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: grid;
  gap: 8px;
}
.float-tools a, .float-tools button {
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--navy-900);
  color: #fff;
  box-shadow: var(--shadow);
  cursor: pointer;
}
.modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(7,23,40,.62);
}
.modal.is-open { display: flex; }
.modal__panel {
  width: min(760px, 100%);
  max-height: min(680px, 90vh);
  overflow: auto;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0,0,0,.28);
}
.modal__head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
}
.modal__head button {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
}
.modal__body { padding: 26px; }
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 980px) {
  .topbar__inner { justify-content: center; }
  .topbar__links { display: none; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute;
    left: 20px;
    right: 20px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav-menu.is-open { display: flex; }
  .hero { min-height: 680px; }
  .hero__photo { left: 12%; opacity: .36; }
  .quick-contact, .service-grid, .product-grid, .case-grid, .news-grid, .advantage-list, .job-list, .contact-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-layout, .advantages, .jobs-layout, .form-layout, .contact-layout, .footer-grid {
    grid-template-columns: 1fr;
  }
  .section-head--row { display: block; }
}
@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .navbar__inner { min-height: 66px; }
  .brand strong { font-size: 16px; }
  .brand small { display: none; }
  .hero { min-height: 720px; }
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 16px; }
  .hero-slider { min-height: 300px; }
  .hero__metrics, .quick-contact, .service-grid, .product-grid, .case-grid, .news-grid, .advantage-list, .job-list, .contact-cards {
    grid-template-columns: 1fr;
  }
  .hero__metrics div, .quick-contact a { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .quick-contact { transform: none; margin: 18px 0; }
  .section { padding: 58px 0; }
  .float-tools { right: 10px; bottom: 10px; }
  .float-tools a, .float-tools button { width: 46px; height: 46px; font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}