:root {
  --ink: #0d1b2a;
  --muted: #587286;
  --line: #e0edf3;
  --soft: #eef9fc;
  --brand: #28d8e5;
  --brand-2: #35aeea;
  --deep: #071827;
  --white: #fff;
  --shadow: 0 18px 48px rgba(13, 27, 42, .1);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes softPulse {
  0%, 100% { box-shadow: 0 12px 28px rgba(40,216,229,.30); }
  50% { box-shadow: 0 16px 36px rgba(40,216,229,.44); }
}
.container { width: min(1184px, calc(100% - 48px)); margin: 0 auto; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 66px;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(226,237,242,.9);
  backdrop-filter: blur(18px);
}
.header-inner { height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 286px; }
.brand img { width: 58px; height: 42px; object-fit: contain; }
.brand-copy {
  display: grid;
  width: 220px;
  line-height: 1.04;
  text-transform: uppercase;
}
.brand-line {
  display: block;
  width: 100%;
  color: #0d1b2a;
  font-weight: 950;
  letter-spacing: 0;
  white-space: nowrap;
}
.brand-line { font-size: 12px; }
.brand-line.short { font-size: 14px; }
.nav { display: flex; align-items: center; gap: 28px; color: #29495c; font-size: 14px; font-weight: 800; white-space: nowrap; }
.nav a, .footer-links a {
  position: relative;
  transition: color .22s ease, transform .22s ease;
}
.nav a::after, .footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s ease;
}
.nav a:hover, .footer-links a:hover { color: #0dbcd0; transform: translateY(-1px); }
.nav a:hover::after, .nav a.active::after, .footer-links a:hover::after { transform: scaleX(1); }
.nav a.active, .footer-links a.active { color: #0dbcd0; }
.header-actions { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.lang { display: inline-flex; align-items: center; gap: 2px; padding: 4px; border: 0; border-radius: 999px; background: #f2fbfd; }
.lang button {
  min-width: 36px;
  border: 0;
  border-radius: 999px;
  padding: 5px 9px;
  color: #36576a;
  background: transparent;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
  transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.lang button.active { color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); box-shadow: 0 8px 18px rgba(40,216,229,.32); }
.lang button:hover { transform: translateY(-1px); }
.menu-btn { display: none; width: 40px; height: 40px; border: 0; border-radius: 999px; background: #eef9fc; color: #244b60; font-weight: 900; }
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 9px 18px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(40,216,229,.30);
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
}
.pill.outline { background: transparent; border: 1px solid rgba(255,255,255,.36); box-shadow: none; }
.pill.light { color: #1a4b60; background: #fff; box-shadow: 0 12px 28px rgba(13,27,42,.12); }
.pill:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 38px rgba(40,216,229,.40);
  animation: softPulse 1.2s ease-in-out;
}
.pill.outline:hover {
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.08);
  box-shadow: none;
}

main { min-height: 70vh; }
section { padding: 78px 0; scroll-margin-top: 78px; }
.soft { background: var(--soft); }
.page-hero {
  padding-top: 144px;
  padding-bottom: 78px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(7,24,39,.88), rgba(7,24,39,.58)),
    var(--hero-bg, url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?w=1800&h=900&fit=crop&auto=format")) center / cover;
}
.page-hero p { max-width: 760px; margin-top: 14px; color: rgba(255,255,255,.78); font-size: 18px; }
.hero {
  min-height: 100vh;
  padding-top: 66px;
  color: #fff;
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(90deg, rgba(7,24,39,.92) 0%, rgba(7,24,39,.74) 42%, rgba(7,24,39,.28) 100%),
    var(--hero-bg, url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?w=1800&h=1200&fit=crop&auto=format")) center / cover;
}
.hero-content { width: min(690px, 100%); padding-bottom: 76px; }
.hero-content, .page-hero .container, .section-head, .cta .container {
  animation: fadeUp .7s ease both;
}
.eyebrow, .kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: #25c7d5;
  font-size: 13px;
  font-weight: 900;
}
.eyebrow { padding: 4px 14px; color: #53f0f2; border: 1px solid rgba(40,216,229,.55); border-radius: 999px; background: rgba(40,216,229,.08); }
h1, h2, h3, h4, p { margin: 0; }
h1 { margin-top: 24px; font-size: clamp(45px, 7vw, 78px); line-height: 1; font-weight: 950; letter-spacing: 0; }
.page-hero h1 { margin-top: 0; }
h2 { font-size: clamp(31px, 4vw, 44px); line-height: 1.12; font-weight: 950; }
h3 { font-size: 24px; line-height: 1.24; font-weight: 950; }
h4 { font-size: 18px; line-height: 1.3; font-weight: 950; }
.accent { color: #49e5ef; }
.hero p { max-width: 690px; margin-top: 20px; color: rgba(255,255,255,.78); font-size: 17px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; max-width: 560px; margin-top: 46px; }
.stat { padding: 18px 20px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); background: rgba(255,255,255,.06); backdrop-filter: blur(12px); }
.stat {
  transition: transform .24s ease, border-color .24s ease, background .24s ease;
}
.stat:hover {
  transform: translateY(-5px);
  border-color: rgba(73,229,239,.62);
  background: rgba(255,255,255,.10);
}
.stat strong { display: block; color: #fff; font-size: 30px; line-height: 1; }
.stat span { color: rgba(255,255,255,.64); font-size: 13px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
.section-head p { color: var(--muted); margin-top: 10px; }
.more-link { display: inline-flex; align-items: center; gap: 8px; color: #1aaec2; font-weight: 900; }

.business-grid, .image-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.business-card { position: relative; min-height: 230px; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); isolation: isolate; }
.business-card {
  transition: transform .26s ease, box-shadow .26s ease;
}
.business-card img { width: 100%; height: 100%; min-height: 230px; object-fit: cover; transition: transform .45s ease, filter .45s ease; }
.business-card::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(7,24,39,.05), rgba(7,24,39,.78)); }
.business-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 58px rgba(13,27,42,.18);
}
.business-card:hover img { transform: scale(1.07); filter: saturate(1.08) brightness(1.04); }
.business-copy { position: absolute; left: 20px; right: 20px; bottom: 20px; z-index: 2; color: #fff; }
.business-copy {
  transition: transform .28s ease;
}
.business-card:hover .business-copy { transform: translateY(-4px); }
.business-copy span, .product-body span, .service-card .label { color: #28d8e5; font-size: 13px; font-weight: 950; text-transform: uppercase; }
.business-copy h3 { margin-top: 6px; color: #fff; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.product-card, .service-card, .reason-card, .contact-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 34px rgba(13,27,42,.06);
  transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.product-card:hover, .service-card:hover, .reason-card:hover, .contact-card:hover {
  transform: translateY(-7px);
  border-color: rgba(40,216,229,.42);
  box-shadow: 0 22px 52px rgba(13,27,42,.12);
}
.product-card img { width: 100%; aspect-ratio: 4 / 2.45; object-fit: cover; }
.product-card img {
  transition: transform .42s ease, filter .42s ease;
}
.product-card:hover img { transform: scale(1.045); filter: saturate(1.08); }
.product-body { padding: 17px 18px 20px; }
.product-body p { margin-top: 8px; color: var(--muted); font-size: 14px; }
.product-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }
.stars { color: #ffc400; font-size: 14px; letter-spacing: 1px; }
.price { color: #0e86a0; font-size: 20px; font-weight: 950; }
.filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 34px; }
.filter-btn { border: 1px solid var(--line); border-radius: 999px; padding: 9px 18px; color: #31566b; background: #fff; font-weight: 900; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease; }
.filter-btn.active { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.filter-btn:hover { transform: translateY(-2px); border-color: rgba(40,216,229,.5); box-shadow: 0 10px 24px rgba(13,27,42,.08); color: #0caec1; }

.service-list { display: grid; gap: 26px; }
.service-card { display: grid; grid-template-columns: 330px 1fr; gap: 0; }
.service-card img { width: 100%; height: 100%; min-height: 310px; object-fit: cover; transition: transform .42s ease, filter .42s ease; }
.service-card:hover img { transform: scale(1.035); filter: saturate(1.08); }
.service-content { padding: 30px; }
.service-content p { margin-top: 10px; color: var(--muted); }
.bullets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 20px 0 24px; padding: 0; list-style: none; }
.bullets li { padding: 10px 12px; border-radius: 12px; background: #f4fbfd; color: #31566b; font-weight: 700; }
.bullets li {
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.bullets li:hover {
  transform: translateX(4px);
  color: #0b93a6;
  background: #e9fbfd;
}
.reason-grid, .value-grid, .contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.reason-card, .contact-card { padding: 32px 30px; text-align: center; }
.reason-card p, .contact-card p { margin-top: 12px; color: var(--muted); }
.icon { width: 50px; height: 50px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 18px; border-radius: 14px; color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); font-size: 22px; font-weight: 950; box-shadow: 0 13px 25px rgba(40,216,229,.28); }
.icon svg { width: 24px; height: 24px; stroke: currentColor; stroke-width: 2.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.icon { transition: transform .25s ease, box-shadow .25s ease; }
.reason-card:hover .icon, .contact-card:hover .icon {
  transform: translateY(-2px) rotate(4deg) scale(1.06);
  box-shadow: 0 18px 34px rgba(40,216,229,.40);
}
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; }
.about-logo { padding: 44px; border-radius: 24px; background: var(--soft); box-shadow: var(--shadow); }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.fact { padding: 18px; border-radius: 14px; background: #f5fbfd; }
.fact {
  transition: transform .22s ease, background .22s ease, box-shadow .22s ease;
}
.fact:hover {
  transform: translateY(-4px);
  background: #eafafd;
  box-shadow: 0 14px 32px rgba(13,27,42,.08);
}
.fact span { display: block; color: var(--muted); font-size: 13px; font-weight: 800; }
.fact strong { display: block; margin-top: 6px; font-size: 18px; }
.timeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.timeline-item { padding: 22px; border-left: 4px solid #28d8e5; border-radius: 14px; background: #fff; box-shadow: 0 10px 30px rgba(13,27,42,.06); }
.timeline-item {
  transition: transform .24s ease, box-shadow .24s ease, border-left-color .24s ease;
}
.timeline-item:hover {
  transform: translateY(-6px);
  border-left-color: #35aeea;
  box-shadow: 0 20px 46px rgba(13,27,42,.12);
}
.timeline-item strong { display: block; font-size: 20px; }
.timeline-item p { margin-top: 10px; color: var(--muted); }

.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: start; }
.contact-methods { display: grid; gap: 16px; }
.contact-method { display: block; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 8px 24px rgba(13,27,42,.05); }
.contact-method {
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.contact-method:hover {
  transform: translateY(-5px);
  border-color: rgba(40,216,229,.48);
  box-shadow: 0 18px 42px rgba(13,27,42,.10);
}
.contact-method span { display: block; color: #20b9ca; font-weight: 950; }
.contact-method strong { display: block; margin-top: 8px; font-size: 18px; }
.contact-method p { margin-top: 6px; color: var(--muted); font-size: 14px; }
.form-card { padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { color: #31566b; font-size: 14px; font-weight: 900; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 12px 13px; color: var(--ink); background: #fbfdfe; outline: none; }
.field input, .field textarea, .field select {
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field input:hover, .field textarea:hover, .field select:hover {
  border-color: rgba(40,216,229,.46);
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: #28d8e5;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(40,216,229,.14);
}
.field textarea { min-height: 120px; resize: vertical; }
.form-note { display: none; margin-top: 16px; padding: 12px 14px; border-radius: 12px; color: #0b6370; background: #e8fbfd; font-weight: 800; }
.form-note.show { display: block; }
.cta { padding: 76px 0; color: #fff; text-align: center; background: var(--deep); }
.cta img { width: 82px; height: 56px; object-fit: contain; margin: 0 auto 22px; filter: brightness(0) invert(1); }
.cta p { max-width: 720px; margin: 14px auto 30px; color: rgba(255,255,255,.70); }

.footer { color: rgba(255,255,255,.70); background: var(--deep); border-top: 1px solid rgba(255,255,255,.08); padding: 28px 0; }
.footer-inner { display: grid; grid-template-columns: 1.1fr 1.7fr 1fr; align-items: center; gap: 24px; }
.footer .brand-line { color: #fff; }
.footer .brand img { filter: brightness(0) invert(1); }
.contact-line { display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; font-size: 13px; }
.footer-links { display: flex; align-items: center; justify-content: flex-end; gap: 18px; font-size: 13px; }
.copyright { margin-top: 18px; color: rgba(255,255,255,.42); font-size: 12px; text-align: center; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

@media (max-width: 980px) {
  .site-header { height: auto; }
  .header-inner { height: auto; min-height: 66px; padding: 10px 0; flex-wrap: wrap; }
  .menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .nav { display: none; order: 4; width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-top: 1px solid var(--line); }
  .header-actions {
    display: none;
    order: 3;
    width: 100%;
    justify-content: space-between;
    padding: 14px 0 12px;
    border-top: 1px solid var(--line);
  }
  .header-inner.menu-open .header-actions { display: flex; }
  .header-inner.menu-open .nav { display: flex; }
  .hero { padding-top: 104px; }
  .business-grid, .image-grid, .reason-grid, .value-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-card, .about-grid, .contact-layout { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer .brand { justify-content: center; }
  .footer-links { justify-content: center; flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1184px); }
  .brand { min-width: 0; }
  .brand img { width: 48px; height: 36px; }
  .brand-copy { width: 188px; }
  .brand-line { font-size: 10px; }
  .brand-line.short { font-size: 12px; }
  .hero { min-height: 780px; align-items: flex-end; padding-top: 132px; }
  .hero-content { padding-bottom: 42px; }
  h1 { font-size: 44px; }
  .stats, .business-grid, .image-grid, .product-grid, .reason-grid, .value-grid, .timeline, .contact-grid, .form-grid, .facts { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  section { padding: 58px 0; }
  .page-hero { padding-top: 150px; padding-bottom: 58px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .bullets { grid-template-columns: 1fr; }
}