:root {
  --brand-blue: #034d9e;
  --electric-blue: #0698dc;
  --deep-navy: #031b32;
  --navy-2: #062543;
  --orange: #ec6309;
  --amber: #f2970d;
  --ink: #172235;
  --muted: #5c6b80;
  --line: #dbe6f2;
  --soft: #f5f8fb;
  --white: #ffffff;
  --shadow: 0 28px 90px rgba(3, 27, 50, 0.14);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --container: 1360px;
  --header-height: 82px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.container {
  width: min(100% - 56px, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 9999;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--white);
  color: var(--deep-navy);
  transition: top 0.2s ease;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(3, 27, 50, 0.84);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 124px;
  height: 58px;
  overflow: hidden;
}
.brand-mark img {/* width: 124px;*/ height: auto; }

.brand-text {
  display: flex;
  flex-direction: column;
  color: var(--white);
  line-height: 1.1;
}
.brand-text strong { font-size: 15px; letter-spacing: 0.08em; }
.brand-text span { margin-top: 4px; font-size: 11px; color: rgba(255, 255, 255, 0.68); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: currentColor;
  content: "";
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle.is-open span { opacity: 0; }
.nav-toggle.is-open::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open::after { transform: translateY(-6px) rotate(-45deg); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.2s ease;
}
.site-nav a:not(.header-cta)::after {
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--electric-blue), var(--amber));
  content: "";
  transition: width 0.2s ease;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--white); }
.site-nav a:hover::after, .site-nav a:focus-visible::after { width: 100%; }

.header-cta,
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.header-cta,
.btn-primary {
  color: var(--white) !important;
  background: linear-gradient(135deg, var(--orange), var(--amber));
  box-shadow: 0 16px 34px rgba(236, 99, 9, 0.28);
}
.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}
.btn-primary:disabled { opacity: 0.62; cursor: not-allowed; transform: none; }
.header-cta:hover, .btn-primary:hover:not(:disabled), .btn-secondary:hover { transform: translateY(-2px); }

.hero {
  position: relative;
  isolation: isolate;
  min-height: 830px;
  padding: 158px 0 96px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 74% 18%, rgba(6, 152, 220, 0.34), transparent 32%),
    radial-gradient(circle at 15% 12%, rgba(236, 99, 9, 0.24), transparent 24%),
    linear-gradient(135deg, #031324 0%, #031b32 48%, #053d76 100%);
}
.hero::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
  content: "";
}
.hero::after {
  position: absolute;
  right: -9%;
  bottom: -28%;
  z-index: -1;
  width: 820px;
  height: 820px;
  border: 2px solid rgba(242, 151, 13, 0.48);
  border-radius: 50%;
  box-shadow: inset 0 0 80px rgba(6, 152, 220, 0.2), 0 0 120px rgba(6, 152, 220, 0.12);
  content: "";
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(470px, 1.04fr);
  align-items: center;
  gap: 78px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.07);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 16px var(--amber);
  content: "";
}

h1, h2, h3, p { margin-top: 0; }
.hero h1 {
  max-width: 820px;
  margin-bottom: 26px;
  font-size: clamp(46px, 5.4vw, 82px);
  line-height: 0.96;
  letter-spacing: -0.065em;
}
.gradient-text {
  background: linear-gradient(100deg, #ffffff 0%, #7fd8ff 52%, #ffb13d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  max-width: 700px;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 19px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.trust-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 720px;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.trust-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 700;
}
.check-dot {
  display: inline-grid;
  flex: 0 0 22px;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(6, 152, 220, 0.18);
  color: #8ee4ff;
  font-size: 13px;
}

.hero-photo-wrap {
  position: relative;
  min-height: 560px;
}
.hero-photo {
  position: relative;
  min-height: 560px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 44px;
  overflow: hidden;
  background:
    linear-gradient(130deg, rgba(3, 27, 50, 0.18), rgba(3, 27, 50, 0.74)),
    url("/static/imgs/home/banner01.jpg") center / cover no-repeat;
  box-shadow: 0 44px 130px rgba(0, 0, 0, 0.38);
}
.hero-photo::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(6, 152, 220, 0.18), transparent 40%),
    radial-gradient(circle at 80% 18%, rgba(242, 151, 13, 0.28), transparent 24%);
  content: "";
}
.hero-photo::after {
  position: absolute;
  right: -120px;
  bottom: -170px;
  width: 430px;
  height: 430px;
  border: 38px solid rgba(242, 151, 13, 0.44);
  border-radius: 50%;
  content: "";
}
.hero-photo-placeholder {
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: 32px;
  z-index: 2;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  background: rgba(3, 27, 50, 0.68);
  backdrop-filter: blur(16px);
}
.hero-photo-placeholder strong { display: block; font-size: 24px; line-height: 1.12; text-align:right;}
.hero-photo-placeholder span { display: block; margin-top: 8px; color: rgba(255, 255, 255, 0.72); }

.floating-stat {
  position: absolute;
  z-index: 5;
  max-width: 210px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  background: rgba(3, 27, 50, 0.76);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.24);
}
.floating-stat strong { display: block; color: var(--white); font-size: 23px; line-height: 1.1; }
.floating-stat span { display: block; margin-top: 5px; color: rgba(255, 255, 255, 0.7); font-size: 12px; }
.floating-stat.one { top: 56px; right: -22px; }
.floating-stat.two { left: -28px; bottom: 88px; }

.section { padding: 112px 0; }
.section-soft { background: var(--soft); }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 48px;
}
.section-kicker {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--electric-blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.section-title {
  max-width: 790px;
  margin-bottom: 0;
  font-size: clamp(34px, 3.65vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.045em;
}
.section-desc {
  max-width: 560px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.service-card,
.advantage-card,
.industry-card,
.case-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: 0 16px 50px rgba(3, 27, 50, 0.06);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  overflow: hidden;
}
.service-card:hover,
.advantage-card:hover,
.industry-card:hover,
.case-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 152, 220, 0.38);
  box-shadow: var(--shadow);
}
.service-media {
  position: relative;
  min-height: 178px;
  overflow: hidden;
  background: var(--deep-navy);
}
.service-media img {
  width: 100%;
  height: 178px;
  object-fit: cover;
  opacity: 0.9;
  transform: scale(1.02);
  transition: transform 0.3s ease;
}
.service-card:hover .service-media img { transform: scale(1.07); }
.service-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(3, 77, 158, 0.28), rgba(3, 27, 50, 0.48));
  content: "";
}
.service-body { padding: 26px; }
.icon-box {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  border-radius: 16px;
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-blue), var(--electric-blue));
  box-shadow: 0 14px 32px rgba(6, 152, 220, 0.22);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.service-card h3,
.advantage-card h3,
.industry-card h3,
.case-card h3 { margin-bottom: 10px; font-size: 21px; letter-spacing: -0.025em; }
.service-card p,
.advantage-card p,
.industry-card p,
.case-card p { margin-bottom: 0; color: var(--muted); font-size: 15px; }

.why-grid {
  display: grid;
  grid-template-columns: minmax(420px, 0.95fr) minmax(0, 1.05fr);
  align-items: stretch;
  gap: 32px;
}
.why-panel {
  position: relative;
  min-height: 600px;
  padding: 42px;
  border-radius: var(--radius-xl);
  color: var(--white);
  background:
    linear-gradient(145deg, rgba(3, 27, 50, 0.82), rgba(5, 58, 112, 0.46)),
    url("./assets/why-dqx-factory.webp") center / cover no-repeat;
  overflow: hidden;
}
.why-panel::after {
  position: absolute;
  right: -150px;
  bottom: -220px;
  width: 480px;
  height: 480px;
  border: 46px solid rgba(242, 151, 13, 0.38);
  border-radius: 50%;
  content: "";
}
.why-panel h2 {
  position: relative;
  z-index: 2;
  max-width: 470px;
  margin-bottom: 18px;
  font-size: clamp(34px, 3.7vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.045em;
}
.why-panel p { position: relative; z-index: 2; max-width: 500px; color: rgba(255, 255, 255, 0.76); }
.image-replace-note {
  position: absolute;
  left: 42px;
  right: 42px;
  bottom: 42px;
  z-index: 2;
  padding: 18px 20px;
  border: 1px dashed rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  background: rgba(3, 27, 50, 0.62);
  backdrop-filter: blur(14px);
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}
.advantages {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.advantage-card { padding: 30px; }

.process-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
  counter-reset: process;
}
.process-list::before {
  position: absolute;
  top: 36px;
  left: 7%;
  right: 7%;
  height: 2px;
  background: linear-gradient(90deg, var(--electric-blue), var(--amber));
  content: "";
}
.process-step { position: relative; padding-top: 88px; counter-increment: process; }
.process-step::before {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border: 7px solid var(--white);
  border-radius: 50%;
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-blue), var(--electric-blue));
  box-shadow: 0 18px 40px rgba(6, 152, 220, 0.2);
  content: "0" counter(process);
  font-size: 15px;
  font-weight: 900;
  transform: translateX(-50%);
}
.process-step h3 { margin-bottom: 8px; font-size: 16px; text-align: center; }
.process-step p { margin-bottom: 0; color: var(--muted); font-size: 13px; text-align: center; }

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.industry-card {
  position: relative;
  min-height: 250px;
  padding: 26px;
  display: flex;
  align-items: end;
  color: var(--white);
  background: linear-gradient(180deg, rgba(3, 27, 50, 0.08), rgba(3, 27, 50, 0.86)), var(--industry-image) center / cover no-repeat;
  border-color: rgba(255, 255, 255, 0.1);
}
.industry-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6, 152, 220, 0.16), transparent 56%);
  content: "";
}
.industry-content { position: relative; z-index: 2; }
.industry-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(10px);
  font-size: 24px;
}
.industry-card p { color: rgba(255, 255, 255, 0.76); }

.quality {
  position: relative;
  color: var(--white);
  background:
    radial-gradient(circle at 84% 16%, rgba(6, 152, 220, 0.34), transparent 28%),
    linear-gradient(135deg, var(--deep-navy), #041326);
  overflow: hidden;
}
.quality .section-kicker { color: #8ee4ff; }
.quality .section-desc { color: rgba(255, 255, 255, 0.72); }
.quality-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  gap: 34px;
  align-items: stretch;
}
.quality-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.quality-item {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.07);
}
.quality-item strong { display: block; margin-bottom: 7px; font-size: 17px; }
.quality-item span { color: rgba(255, 255, 255, 0.68); font-size: 14px; }
.quality-media {
  position: relative;
  min-height: 490px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(3, 27, 50, 0.1), rgba(3, 27, 50, 0.66)),
    url("./assets/quality-inspection.webp") center / cover no-repeat;
  box-shadow: 0 36px 100px rgba(0, 0, 0, 0.22);
}
.quality-media.video-ready::before {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 46%, rgba(6, 152, 220, 0.18), transparent 36%);
  content: "";
}
.play-badge {
  position: absolute;
  left: 32px;
  bottom: 32px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(3, 27, 50, 0.72);
  backdrop-filter: blur(14px);
  color: rgba(255, 255, 255, 0.82);
  font-weight: 800;
}
.play-badge span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--amber));
  color: var(--white);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}
.case-media {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  background: var(--deep-navy);
}
.case-media img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.case-card:hover .case-media img { transform: scale(1.06); }
.case-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(3, 77, 158, 0.2), rgba(3, 27, 50, 0.36));
  content: "";
}
.case-body { padding: 28px; }
.case-tag {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--brand-blue);
  background: rgba(6, 152, 220, 0.1);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cta {
  padding: 96px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 18% 20%, rgba(6, 152, 220, 0.38), transparent 28%),
    linear-gradient(135deg, var(--brand-blue), var(--deep-navy));
}
.cta-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 34px;
  padding: 50px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.18);
}
.cta h2 { margin-bottom: 12px; font-size: clamp(34px, 3.8vw, 54px); line-height: 1.06; letter-spacing: -0.045em; }
.cta p { max-width: 700px; margin-bottom: 0; color: rgba(255, 255, 255, 0.74); }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(0, 1.18fr);
  gap: 34px;
}
.contact-info, .contact-form {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--white);
  box-shadow: 0 16px 60px rgba(3, 27, 50, 0.06);
}
.contact-line { padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-line:last-child { border-bottom: 0; }
.contact-line span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.contact-line strong, .contact-line a { font-size: 16px; font-weight: 800; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 17px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--ink); font-size: 13px; font-weight: 900; }
.required { color: var(--orange); }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--soft);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus, .field textarea:focus {
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 4px rgba(6, 152, 220, 0.12);
}
.field textarea { min-height: 138px; resize: vertical; }
.field-error {
  min-height: 18px;
  color: #c9341c;
  font-size: 12px;
  font-weight: 700;
}
.captcha-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.captcha-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 136px;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid rgba(6, 152, 220, 0.26);
  border-radius: 14px;
  color: var(--deep-navy);
  background:
    linear-gradient(135deg, rgba(6, 152, 220, 0.08), rgba(242, 151, 13, 0.1)),
    repeating-linear-gradient(-35deg, transparent 0 8px, rgba(3, 77, 158, 0.08) 8px 10px);
  font-weight: 900;
  letter-spacing: 0.16em;
  user-select: none;
}
.captcha-refresh {
  border: 0;
  padding: 0;
  color: var(--brand-blue);
  background: transparent;
  font-weight: 900;
  cursor: pointer;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}
.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}
.form-status.success { color: #14764b; }
.form-status.error { color: #c9341c; }
.form-note { margin: 14px 0 0; color: var(--muted); font-size: 13px; }

.site-footer {
  padding: 62px 0 34px;
  color: rgba(255, 255, 255, 0.72);
  background: #020d18;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.15fr repeat(3, 1fr);
  gap: 38px;
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand { max-width: 330px; }
.footer-logo { width: 132px; margin-bottom: 18px; }
.footer-col h3 { margin-bottom: 16px; color: var(--white); font-size: 15px; }
.footer-col a, .footer-col span { display: block; margin-bottom: 10px; color: rgba(255, 255, 255, 0.68); font-size: 14px; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 24px; font-size: 13px; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 1180px) {
  .hero-grid, .why-grid, .quality-layout, .contact-grid { grid-template-columns: 1fr; }
  .hero-photo-wrap, .hero-photo { min-height: 500px; }
  .services-grid, .industries-grid, .cases-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-list { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 34px; }
  .process-list::before { display: none; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 20px;
    right: 20px;
    display: grid;
    gap: 0;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 20px;
    background: rgba(3, 27, 50, 0.96);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .site-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .site-nav a { padding: 12px 14px; }
  .site-nav .header-cta { margin-top: 8px; }
  .section-head { display: block; }
  .section-desc { margin-top: 16px; }
  .cta-card { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, var(--container)); }
  .brand-text { display: none; }
  .brand-mark, .brand-mark img { width: 102px; }
  .hero { min-height: auto; padding: 124px 0 70px; }
  .hero-grid { gap: 42px; }
  .hero h1 { font-size: clamp(39px, 12vw, 58px); }
  .hero-lead { font-size: 16px; }
  .hero-actions a, .form-actions button { width: 100%; }
  .trust-list { grid-template-columns: 1fr; }
  .hero-photo-wrap, .hero-photo { min-height: 380px; }
  .hero-photo-placeholder { left: 20px; right: 20px; bottom: 20px; padding: 18px; }
  .floating-stat { display: none; }
  .section { padding: 78px 0; }
  .services-grid, .advantages, .industries-grid, .cases-grid, .quality-grid, .process-list, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .why-panel { min-height: 520px; padding: 30px; }
  .image-replace-note { left: 30px; right: 30px; bottom: 30px; }
  .quality-media { min-height: 360px; }
  .process-step { padding: 0 0 0 92px; }
  .process-step::before { left: 0; transform: none; }
  .process-step h3, .process-step p { text-align: left; }
  .contact-info, .contact-form, .cta-card { padding: 26px; }
  .captcha-row { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}