:root {
  --bg: #050d1f;
  --bg-deep: #030814;
  --bg-alt: #071327;
  --panel: rgba(148, 190, 255, 0.05);
  --panel-strong: rgba(148, 190, 255, 0.09);
  --line: rgba(148, 190, 255, 0.16);
  --line-soft: rgba(148, 190, 255, 0.1);
  --text: #f2f7ff;
  --muted: #9db2d2;
  --cyan: #22d3ee;
  --blue: #4f8cff;
  --indigo: #818cf8;
  --green: #34d399;
  --amber: #fbbf24;
  --purple: #c084fc;
  --radius: 8px;
  --header-h: 104px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

.icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.site-body {
  overflow-x: hidden;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn .icon {
  width: 16px;
  height: 16px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, #2f7cff, #20c4f0);
  color: #031023;
  box-shadow: 0 12px 34px rgba(33, 150, 243, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 16px 40px rgba(33, 180, 243, 0.38);
}

.btn-ghost {
  background: rgba(148, 190, 255, 0.08);
  border-color: rgba(148, 190, 255, 0.28);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(148, 190, 255, 0.14);
  border-color: rgba(148, 190, 255, 0.45);
}

.btn-sm {
  min-height: 38px;
  padding: 0 16px;
  font-size: 14px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(5, 13, 31, 0.78);
  border-bottom: 1px solid rgba(148, 190, 255, 0.12);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-header-inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0;
}

.site-logo img {
  width: 100px;
  height: 100px;
  object-fit: contain;
}

.site-logo span {
  max-width: 320px;
  line-height: 1.3;
}

.site-logo small {
  display: block;
  width: 100%;
  margin-top: 4px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

h1,
h2,
h3 {
  overflow-wrap: break-word;
  word-break: break-word;
}

.site-hero h1,
.section-head h2,
.site-cta h2,
.page-hero h1,
.testing-split h2 {
  text-wrap: balance;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.16s ease, background 0.16s ease;
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(148, 190, 255, 0.1);
}

.site-nav .site-nav-cta {
  margin-left: 8px;
  background: linear-gradient(135deg, #2f7cff, #20c4f0);
  color: #031023;
  font-weight: 700;
}

.site-nav .site-nav-cta:hover {
  color: #031023;
  background: linear-gradient(135deg, #3f89ff, #35cff3);
}

.site-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(148, 190, 255, 0.2);
  border-radius: 8px;
  background: rgba(148, 190, 255, 0.06);
  color: var(--text);
  cursor: pointer;
}

.site-hero {
  position: relative;
  min-height: min(880px, 94vh);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 28px 90px;
  background:
    linear-gradient(180deg, rgba(3, 8, 20, 0.78) 0%, rgba(3, 10, 26, 0.55) 46%, var(--bg) 98%),
    url("../img/hero-server.webp") center 30% / cover no-repeat;
}

.site-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 190, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 190, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 70%);
}

.site-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 980px;
}

.site-eyebrow {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.site-hero h1 {
  font-size: 56px;
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 22px;
}

.site-hero-sub {
  max-width: 720px;
  margin: 0 auto 34px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.site-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.site-hero-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 30px;
  padding: 8px 16px;
  border: 1px solid rgba(148, 190, 255, 0.18);
  border-radius: 999px;
  background: rgba(5, 16, 38, 0.55);
  color: var(--muted);
  font-size: 13px;
}

.site-hero-note .icon {
  color: var(--green);
  width: 15px;
  height: 15px;
}

.site-metrics {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(6, 18, 44, 0.9), rgba(4, 12, 30, 0.4));
}

.site-metrics-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 42px 28px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.metric-item {
  text-align: center;
  padding: 8px 4px;
}

.metric-item strong {
  display: block;
  font-size: 34px;
  line-height: 1.15;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0;
}

.metric-item span {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.metric-item em {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.site-section {
  padding: 104px 28px;
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.site-section-alt {
  background:
    linear-gradient(180deg, rgba(7, 19, 39, 0.96), rgba(4, 12, 30, 0.98)),
    var(--bg-alt);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.site-section-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.section-head {
  max-width: 780px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head h2,
.site-cta h2 {
  font-size: 40px;
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 16px;
}

.section-head p:not(.site-eyebrow) {
  color: var(--muted);
  font-size: 16px;
}

.section-head-row {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  text-align: left;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.highlight-card {
  position: relative;
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--panel);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.highlight-card:hover {
  transform: translateY(-4px);
  background: var(--panel-strong);
  border-color: rgba(148, 190, 255, 0.32);
}

.highlight-card.accent-cyan { border-top-color: var(--cyan); }
.highlight-card.accent-blue { border-top-color: var(--blue); }
.highlight-card.accent-green { border-top-color: var(--green); }
.highlight-card.accent-amber { border-top-color: var(--amber); }

.highlight-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
  margin-bottom: 20px;
}

.highlight-icon .icon {
  width: 22px;
  height: 22px;
}

.accent-blue .highlight-icon { background: rgba(79, 140, 255, 0.14); color: var(--blue); }
.accent-green .highlight-icon { background: rgba(52, 211, 153, 0.12); color: var(--green); }
.accent-amber .highlight-icon { background: rgba(251, 191, 36, 0.12); color: var(--amber); }

.highlight-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.highlight-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  display: block;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 21, 45, 0.72);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(148, 190, 255, 0.36);
  background: rgba(10, 27, 58, 0.9);
}

.service-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  margin-bottom: 18px;
}

.service-icon .icon {
  width: 22px;
  height: 22px;
}

.icon-cyan { background: rgba(34, 211, 238, 0.12); color: var(--cyan); }
.icon-blue { background: rgba(79, 140, 255, 0.14); color: var(--blue); }
.icon-green { background: rgba(52, 211, 153, 0.12); color: var(--green); }
.icon-amber { background: rgba(251, 191, 36, 0.12); color: var(--amber); }
.icon-purple { background: rgba(192, 132, 252, 0.14); color: var(--purple); }

.service-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.site-testing {
  position: relative;
  background:
    linear-gradient(120deg, rgba(4, 12, 30, 0.96) 0%, rgba(7, 24, 54, 0.94) 100%),
    url("../img/testing-dgx.webp") center / cover no-repeat;
}

.testing-split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.testing-split h2 {
  font-size: 38px;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0;
}

.testing-split > div > p:not(.site-eyebrow) {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 30px;
}

.testing-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.testing-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(5, 16, 38, 0.62);
  align-items: start;
}

.testing-num {
  color: var(--cyan);
  font-size: 20px;
  font-weight: 700;
}

.testing-row strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}

.testing-row p {
  color: var(--muted);
  font-size: 13px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(13, 34, 72, 0.82), rgba(6, 16, 36, 0.92));
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.5);
  box-shadow: 0 20px 50px rgba(0, 10, 30, 0.45);
}

.product-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.product-seq {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
}

.product-date {
  color: var(--muted);
  font-size: 12px;
}

.product-card h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(148, 190, 255, 0.1);
  color: var(--muted);
}

.tag-blue { background: rgba(79, 140, 255, 0.14); color: var(--blue); }
.tag-cyan { background: rgba(34, 211, 238, 0.12); color: var(--cyan); }
.tag-amber { background: rgba(251, 191, 36, 0.12); color: var(--amber); }

.product-card-foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

.product-card-foot .icon {
  color: var(--cyan);
}

.site-empty {
  padding: 64px 24px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
}

.site-empty .icon {
  width: 34px;
  height: 34px;
  margin: 0 auto 16px;
  color: var(--blue);
}

.site-empty h3 {
  color: var(--text);
  font-size: 20px;
  margin-bottom: 8px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.process-step {
  position: relative;
  padding: 30px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 21, 45, 0.7);
  text-align: center;
}

.step-num {
  width: 44px;
  height: 44px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(47, 124, 255, 0.22), rgba(34, 211, 238, 0.16));
  border: 1px solid rgba(34, 211, 238, 0.4);
  color: var(--cyan);
  font-size: 18px;
  font-weight: 700;
}

.process-step h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.site-cta {
  padding: 110px 28px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(3, 8, 20, 0.82), rgba(3, 8, 20, 0.92)),
    url("../img/hero-cluster.webp") center / cover no-repeat;
  border-top: 1px solid var(--line-soft);
}

.site-cta-inner {
  max-width: 800px;
  margin: 0 auto;
}

.site-cta h2 {
  font-size: 42px;
  margin-bottom: 18px;
}

.site-cta-inner > p:not(.site-eyebrow) {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 30px;
}

.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--line-soft);
}

.site-footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 28px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.footer-brand .site-logo {
  flex: none;
}

.footer-brand .group-logo {
  display: block;
  width: 240px;
  height: auto;
  margin-top: -18px;
  border-radius: 8px;
  filter: saturate(0.9) brightness(1.02) contrast(1.02);
}

.footer-brand .footer-desc {
  width: 100%;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-col a,
.footer-col p {
  color: var(--muted);
  font-size: 13px;
  transition: color 0.16s ease;
}

.footer-col a:hover {
  color: var(--text);
}

.footer-contact .btn {
  margin-top: 8px;
  align-self: flex-start;
}

.site-footer-bottom {
  border-top: 1px solid var(--line-soft);
  padding: 22px 28px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  color: rgba(157, 178, 210, 0.72);
  font-size: 12px;
}

.site-footer-bottom span:first-child {
  justify-self: start;
}

.site-footer-bottom span:nth-child(2) {
  grid-column: 2;
  justify-self: center;
  font-size: 16px;
  font-weight: 500;
  color: rgba(157, 178, 210, 0.65);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.site-footer-bottom .footer-copyright {
  grid-column: 1 / -1;
  justify-self: center;
  margin-top: 0;
  line-height: 1.3;
  font-size: 16.5px;
  color: rgba(157, 178, 210, 0.65);
  letter-spacing: 0.02em;
}

.site-footer-bottom .footer-icp {
  grid-column: 1 / -1;
  justify-self: center;
  margin-top: 4px;
  color: rgba(157, 178, 210, 0.62);
  font-size: 12px;
  text-decoration: none;
}

.site-footer-bottom .footer-icp:hover {
  color: rgba(159, 215, 255, 0.95);
  text-decoration: underline;
}

/* Inner pages */

.page-hero {
  position: relative;
  min-height: 54vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 110px 28px 80px;
  background:
    linear-gradient(180deg, rgba(3, 8, 20, 0.84) 0%, rgba(3, 10, 26, 0.62) 55%, var(--bg) 100%),
    url("../img/hero-cluster.webp") center 35% / cover no-repeat;
}

.page-hero-products {
  background:
    linear-gradient(180deg, rgba(3, 8, 20, 0.84) 0%, rgba(3, 10, 26, 0.66) 55%, var(--bg) 100%),
    url("../img/hero-server.webp") center 42% / cover no-repeat;
}

.page-hero-testing {
  background:
    linear-gradient(180deg, rgba(3, 8, 20, 0.84) 0%, rgba(3, 10, 26, 0.64) 55%, var(--bg) 100%),
    url("../img/testing-hero.webp") center 40% / cover no-repeat;
}

.page-hero-services {
  background:
    linear-gradient(180deg, rgba(3, 8, 20, 0.84) 0%, rgba(3, 10, 26, 0.64) 55%, var(--bg) 100%),
    url("../img/services-hero-hd.webp") center 42% / cover no-repeat;
}

.page-hero-contact {
  position: relative;
  background: linear-gradient(180deg, rgba(3, 8, 20, 0.84) 0%, rgba(3, 10, 26, 0.64) 55%, var(--bg) 100%);
}

.page-hero-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url("../img/contact-hero-woman.webp") center 42% / cover no-repeat;
  filter: blur(2px) brightness(0.86) saturate(0.85) contrast(1.05);
  transform: scale(1.03);
  mask-image: radial-gradient(120% 120% at 50% 45%, #000 60%, transparent 98%);
  -webkit-mask-image: radial-gradient(120% 120% at 50% 45%, #000 60%, transparent 98%);
}

.page-hero-contact::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(5, 13, 31, 0.5) 0%, rgba(34, 211, 238, 0.14) 46%, rgba(5, 13, 31, 0.62) 100%);
  mix-blend-mode: multiply;
  mask-image: radial-gradient(120% 120% at 50% 45%, #000 60%, transparent 98%);
  -webkit-mask-image: radial-gradient(120% 120% at 50% 45%, #000 60%, transparent 98%);
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.page-hero h1 {
  font-size: 52px;
  line-height: 1.12;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0;
}

.page-hero p:not(.site-eyebrow) {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
  margin-bottom: 30px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.overview-item {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  text-align: center;
}

.overview-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
}

.overview-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.overview-item p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 19, 40, 0.72);
}

.spec-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 14px;
}

.spec-table th {
  padding: 16px 20px;
  text-align: left;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
  background: rgba(34, 211, 238, 0.06);
  white-space: nowrap;
}

.spec-table td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
  vertical-align: top;
}

.spec-table tr:last-child td {
  border-bottom: 0;
}

.spec-table td:first-child {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

.spec-table tbody tr:hover td {
  background: rgba(148, 190, 255, 0.04);
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.arch-card {
  padding: 32px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(13, 34, 72, 0.7), rgba(6, 16, 36, 0.88));
}

.arch-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(79, 140, 255, 0.14);
  color: var(--blue);
  margin-bottom: 18px;
}

.arch-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

.arch-card > p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 14px;
}

.arch-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.arch-card li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  font-size: 13px;
}

.arch-card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.8);
}

.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.service-detail {
  position: relative;
  padding: 32px 30px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(8, 21, 45, 0.74);
}

.service-detail.accent-cyan { border-top-color: var(--cyan); }
.service-detail.accent-blue { border-top-color: var(--blue); }
.service-detail.accent-green { border-top-color: var(--green); }
.service-detail.accent-amber { border-top-color: var(--amber); }
.service-detail.accent-purple { border-top-color: var(--purple); }

.service-detail-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
  margin-bottom: 18px;
}

.accent-blue .service-detail-icon { background: rgba(79, 140, 255, 0.14); color: var(--blue); }
.accent-green .service-detail-icon { background: rgba(52, 211, 153, 0.12); color: var(--green); }
.accent-amber .service-detail-icon { background: rgba(251, 191, 36, 0.12); color: var(--amber); }
.accent-purple .service-detail-icon { background: rgba(192, 132, 252, 0.14); color: var(--purple); }

.service-index {
  position: absolute;
  top: 30px;
  right: 30px;
  color: rgba(148, 190, 255, 0.3);
  font-size: 34px;
  font-weight: 700;
}

.service-detail h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-detail p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.commitment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.commitment-card {
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.commitment-value {
  display: block;
  color: var(--cyan);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.commitment-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.commitment-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.deliver-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.deliver-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 21, 45, 0.7);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.deliver-item .icon {
  color: var(--green);
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.scope-card {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.scope-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(52, 211, 153, 0.12);
  color: var(--green);
  margin-bottom: 18px;
}

.scope-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.scope-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.standard-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.standard-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 22px;
  align-items: start;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 21, 45, 0.7);
}

.standard-num {
  color: var(--cyan);
  font-size: 20px;
  font-weight: 700;
}

.standard-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.standard-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.process-steps-compact {
  grid-template-columns: repeat(4, 1fr);
}

.inspections {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.inspection-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  text-align: center;
}

.inspection-card strong {
  display: block;
  color: var(--cyan);
  font-size: 22px;
  margin-bottom: 6px;
}

.inspection-card span {
  color: var(--muted);
  font-size: 13px;
}

.product-grid-wide {
  grid-template-columns: repeat(3, 1fr);
}

.site-products-note {
  margin: 34px auto 0;
  max-width: 760px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 21, 45, 0.7);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.site-products-note .icon {
  color: var(--amber);
  flex: none;
}

/* Expert advisor and photo additions */

.page-hero-expert {
  background:
    linear-gradient(180deg, rgba(3, 8, 20, 0.84) 0%, rgba(3, 10, 26, 0.62) 55%, var(--bg) 100%),
    url("../img/expert-hero-same-person-v2b.webp") center 38% / cover no-repeat;
}

.photo-band {
  position: relative;
  margin-top: 42px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(8, 21, 45, 0.6);
}

.photo-band img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 14px;
  filter: saturate(0.85) brightness(0.9) contrast(1.04);
  box-shadow: 0 18px 48px rgba(0, 8, 26, 0.45);
}

.photo-band::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(47, 124, 255, 0.24), rgba(34, 211, 238, 0.14));
  mix-blend-mode: soft-light;
}

.photo-overview {
  box-shadow: 0 0 0 1px rgba(47, 124, 255, 0.18), 0 0 70px rgba(47, 124, 255, 0.22), 0 18px 48px rgba(0, 8, 26, 0.45);
}

.photo-overview::after {
  background:
    radial-gradient(120% 120% at 50% 50%, transparent 52%, rgba(5, 13, 31, 0.55) 100%),
    linear-gradient(160deg, rgba(5, 13, 31, 0.45) 0%, rgba(34, 211, 238, 0.12) 50%, rgba(5, 13, 31, 0.5) 100%);
  mix-blend-mode: multiply;
}

.photo-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.photo-split img {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 14px;
  filter: saturate(0.85) brightness(0.9) contrast(1.04);
  box-shadow: 0 18px 48px rgba(0, 8, 26, 0.45);
}

.photo-soft {
  border-radius: 18px;
  mask-image: radial-gradient(120% 120% at 50% 50%, #000 70%, transparent 99%);
  -webkit-mask-image: radial-gradient(120% 120% at 50% 50%, #000 70%, transparent 99%);
}

.photo-tinted {
  filter: saturate(0.85) brightness(0.9) contrast(1.04);
}

.flow-steps {
  grid-template-columns: repeat(4, 1fr);
}

.risk-note {
  margin-top: 22px;
  padding: 18px 22px;
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  background: rgba(251, 191, 36, 0.06);
  color: var(--muted);
  font-size: 14px;
}

.inquiry-wrap {
  max-width: 780px;
}

.inquiry-form {
  display: grid;
  gap: 18px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(8, 21, 45, 0.72);
}

.inquiry-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.inquiry-field {
  display: grid;
  gap: 8px;
}

.inquiry-field label {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.inquiry-field input,
.inquiry-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(5, 13, 31, 0.82);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.inquiry-field input {
  min-height: 46px;
  padding: 0 14px;
}

.inquiry-field textarea {
  min-height: 140px;
  padding: 12px 14px;
  resize: vertical;
}

.inquiry-field input:focus,
.inquiry-field textarea:focus {
  border-color: rgba(34, 211, 238, 0.6);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

.inquiry-form .btn {
  justify-self: start;
}

.form-msg {
  font-size: 14px;
  font-weight: 600;
}

.form-success {
  color: var(--green);
}

.form-error {
  color: #fca5a5;
}

.support-bg,
.why-bg,
.commitment-bg,
.performance-bg,
.hardware-bg {
  position: relative;
  overflow: hidden;
}

.support-bg::before,
.why-bg::before,
.commitment-bg::before,
.performance-bg::before,
.hardware-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-size: cover;
  background-position: center;
  opacity: 0.45;
  filter: saturate(0.72) brightness(0.86) contrast(1.06);
}

.support-bg::before {
  background-image:
    linear-gradient(rgba(4, 12, 30, 0.42), rgba(4, 12, 30, 0.58)),
    url("../img/support-rack.webp");
}

.why-bg::before {
  background-image:
    linear-gradient(rgba(4, 12, 30, 0.4), rgba(4, 12, 30, 0.56)),
    url("../img/why-bg.webp");
}

.commitment-bg::before {
  background-image:
    linear-gradient(rgba(4, 12, 30, 0.52), rgba(4, 12, 30, 0.66)),
    url("../img/dell-datacenter.webp");
}

.performance-bg::before {
  background-image:
    linear-gradient(rgba(4, 12, 30, 0.55), rgba(4, 12, 30, 0.68)),
    url("../img/performance-bg.webp");
}

.why-pingzuo-bg {
  position: relative;
  overflow: hidden;
}

.why-pingzuo-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(4, 12, 30, 0.5), rgba(4, 12, 30, 0.64)),
    url("../img/why-pingzuo-bg.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  filter: saturate(0.75) brightness(0.85) contrast(1.05);
}

.why-pingzuo-bg .site-section-inner {
  position: relative;
  z-index: 1;
}

.team-bg {
  position: relative;
  overflow: hidden;
}

.team-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(4, 12, 30, 0.52), rgba(4, 12, 30, 0.66)),
    url("../img/team-bg.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  filter: saturate(0.75) brightness(0.85) contrast(1.05);
}

.team-bg .site-section-inner {
  position: relative;
  z-index: 1;
}

.hardware-bg::before {
  background-image:
    linear-gradient(rgba(4, 12, 30, 0.5), rgba(4, 12, 30, 0.64)),
    url("../img/hardware-bg.webp");
}

.support-bg .site-section-inner,
.why-bg .site-section-inner,
.commitment-bg .site-section-inner,
.performance-bg .site-section-inner,
.hardware-bg .site-section-inner {
  position: relative;
  z-index: 1;
}

/* Reveal animation */

.site-section,
.site-cta,
.page-hero,
.metric-item,
.highlight-card,
.service-card,
.product-card,
.arch-card,
.service-detail,
.commitment-card,
.standard-row,
.process-step,
.scope-card {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.photo-split {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.site-section.visible,
.site-cta.visible,
.page-hero.visible,
.metric-item.visible,
.highlight-card.visible,
.service-card.visible,
.product-card.visible,
.arch-card.visible,
.service-detail.visible,
.commitment-card.visible,
.standard-row.visible,
.process-step.visible,
.scope-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.photo-split.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .highlight-grid,
  .service-grid,
  .overview-grid,
  .scope-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid,
  .product-grid-wide {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-metrics-inner {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px 18px;
  }

  .process-steps,
  .process-steps-compact,
  .flow-steps {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 760px) {
  :root {
    --header-h: 104px;
  }

  .site-header-inner {
    padding: 0 12px;
  }

  .site-logo {
    gap: 4px;
    font-size: 15px;
    min-width: 0;
  }

  .site-logo span {
    max-width: none;
    min-width: 0;
    white-space: nowrap;
    line-height: 1.25;
  }

  .site-logo small {
    width: auto;
    white-space: nowrap;
    font-size: 10.5px;
    line-height: 1.3;
    letter-spacing: 0.01em;
  }

  .site-menu-btn {
    width: 38px;
    height: 38px;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px 18px 20px;
    background: rgba(4, 11, 26, 0.98);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav a {
    padding: 13px 16px;
    border-radius: 8px;
    font-size: 15px;
  }

  .site-nav .site-nav-cta {
    margin-left: 0;
    margin-top: 6px;
    text-align: center;
  }

  .site-menu-btn {
    display: flex;
  }

  .site-hero {
    min-height: 92vh;
    padding: 96px 20px 64px;
  }

  .site-hero h1 {
    font-size: 36px;
  }

  .site-hero-sub {
    font-size: 15px;
  }

  .site-hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .site-hero-actions .btn {
    width: 100%;
  }

  .site-metrics-inner {
    grid-template-columns: repeat(2, 1fr);
    padding: 34px 18px;
    gap: 24px 12px;
  }

  .metric-item strong {
    font-size: 28px;
  }

  .site-section {
    padding: 72px 18px;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .section-head h2,
  .site-cta h2 {
    font-size: 30px;
  }

  .section-head-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .highlight-grid,
  .service-grid,
  .overview-grid,
  .scope-grid,
  .commitment-grid,
  .deliver-grid,
  .product-grid,
  .product-grid-wide,
  .architecture-grid,
  .service-detail-grid,
  .inspections,
  .process-steps,
  .process-steps-compact,
  .flow-steps,
  .photo-split {
    grid-template-columns: 1fr;
  }

  .photo-band img,
  .photo-split img {
    width: 100%;
    height: 320px;
    max-height: 340px;
    object-fit: cover;
    filter: saturate(1) brightness(1.08) contrast(1.02);
  }

  .photo-band img {
    max-height: none;
    height: auto;
    object-fit: contain;
    filter: saturate(1) brightness(1.08) contrast(1.02);
  }

  .support-bg::before,
  .why-bg::before,
  .commitment-bg::before,
  .page-hero-contact::before {
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    transform: none;
  }

  .performance-bg::before,
  .hardware-bg::before,
  .why-pingzuo-bg::before,
  .team-bg::before {
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    transform: none;
  }

  .site-testing {
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
  }

  .photo-band::after {
    opacity: 0.35;
  }

  .photo-soft.photo-tinted,
  .photo-tinted {
    filter: none;
  }

  .photo-overview::after {
    opacity: 0.4;
  }

  .site-testing {
    background:
      linear-gradient(180deg, rgba(4, 12, 30, 0.62) 0%, rgba(7, 24, 54, 0.58) 100%),
      url("../img/testing-dgx.webp") center / cover no-repeat;
  }

  .site-hero {
    background:
      linear-gradient(180deg, rgba(3, 8, 20, 0.68) 0%, rgba(3, 10, 26, 0.46) 50%, var(--bg) 98%),
      url("../img/hero-server.webp") center 30% / cover no-repeat;
  }

  .page-hero {
    background:
      linear-gradient(180deg, rgba(3, 8, 20, 0.72) 0%, rgba(3, 10, 26, 0.52) 55%, var(--bg) 100%),
      url("../img/hero-cluster.webp") center 35% / cover no-repeat;
  }

  .page-hero-products {
    background:
      linear-gradient(180deg, rgba(3, 8, 20, 0.72) 0%, rgba(3, 10, 26, 0.54) 55%, var(--bg) 100%),
      url("../img/hero-server.webp") center 42% / cover no-repeat;
  }

  .page-hero-testing {
    background:
      linear-gradient(180deg, rgba(3, 8, 20, 0.72) 0%, rgba(3, 10, 26, 0.52) 55%, var(--bg) 100%),
      url("../img/testing-hero.webp") center 40% / cover no-repeat;
  }

  .page-hero-services {
    background:
      linear-gradient(180deg, rgba(3, 8, 20, 0.72) 0%, rgba(3, 10, 26, 0.52) 55%, var(--bg) 100%),
      url("../img/services-hero-hd.webp") center 42% / cover no-repeat;
  }

  .page-hero-expert {
    background:
      linear-gradient(180deg, rgba(3, 8, 20, 0.72) 0%, rgba(3, 10, 26, 0.52) 55%, var(--bg) 100%),
      url("../img/expert-hero-same-person-v2b.webp") center 38% / cover no-repeat;
  }

  .why-bg::before,
  .commitment-bg::before,
  .performance-bg::before,
  .hardware-bg::before {
    opacity: 0.72;
    filter: saturate(0.92) brightness(1.05) contrast(1.02);
  }

  .testing-split {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .testing-split h2 {
    font-size: 30px;
  }

  .testing-row {
    grid-template-columns: 42px 1fr;
    padding: 18px;
  }

  .page-hero {
    min-height: 62vh;
    padding: 90px 20px 60px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .page-hero p:not(.site-eyebrow) {
    font-size: 15px;
  }

  .standard-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .site-footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 48px 18px 30px;
  }

  .site-footer-inner > .footer-col:nth-child(2),
  .site-footer-inner > .footer-col:nth-child(3) {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .site-footer-inner > .footer-col:nth-child(2) h4,
  .site-footer-inner > .footer-col:nth-child(3) h4 {
    grid-column: 1 / -1;
    margin-bottom: 2px;
  }

  .site-footer-inner > .footer-col:nth-child(2) a,
  .site-footer-inner > .footer-col:nth-child(3) a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 6px 10px;
    background: rgba(148, 190, 255, 0.07);
    border: 1px solid rgba(148, 190, 255, 0.12);
    border-radius: 8px;
    font-size: 13px;
    text-align: center;
  }

  .site-footer-inner > .footer-col:nth-child(2) a:hover,
  .site-footer-inner > .footer-col:nth-child(3) a:hover {
    background: rgba(148, 190, 255, 0.12);
    border-color: rgba(148, 190, 255, 0.24);
  }

  .site-footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 12px 14px;
    text-align: center;
  }

  .site-footer-bottom span:first-child {
    justify-self: auto;
    font-size: 11px;
  }

  .site-footer-bottom span:nth-child(2) {
    font-size: 14px;
    letter-spacing: 0.04em;
  }

  .site-footer-bottom .footer-copyright {
    max-width: 100%;
    font-size: 11px;
    white-space: normal;
    line-height: 1.35;
  }

  .site-footer-bottom .footer-icp {
    max-width: 100%;
    font-size: 11px;
    line-height: 1.35;
  }

  .inquiry-form .btn {
    width: 100%;
    justify-self: stretch;
  }

  .site-cta {
    padding: 80px 20px;
  }

  .inquiry-form {
    padding: 24px 18px;
  }

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

@media (max-width: 400px) {
  .site-header-inner {
    padding: 0 10px;
    gap: 8px;
  }

  .site-logo img {
    width: 88px;
    height: 88px;
  }

  .site-logo {
    gap: 3px;
  }

  .site-menu-btn {
    width: 34px;
    height: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }

  .site-section,
  .site-cta,
  .page-hero,
  .metric-item,
  .highlight-card,
  .service-card,
  .product-card,
  .arch-card,
  .service-detail,
  .commitment-card,
  .standard-row,
  .process-step,
  .scope-card {
    opacity: 1;
    transform: none;
  }

  .photo-split {
    opacity: 1;
    transform: none;
  }
}