:root {
  --bg: #06080b;
  --bg-soft: #0d1117;
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --ink: #f7f8f5;
  --muted: #9ca7af;
  --line: rgba(255, 255, 255, 0.15);
  --orange: #ff8a1c;
  --cyan: #63e7ff;
  --green: #6affb3;
  --violet: #a99cff;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
  --radius: 8px;
  --max: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 74% 18%, rgba(255, 138, 28, 0.16), transparent 28%),
    radial-gradient(circle at 20% 82%, rgba(99, 231, 255, 0.12), transparent 30%),
    var(--bg);
  background-size: 48px 48px, 48px 48px, auto, auto, auto;
  font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 8, 11, 0.08), rgba(6, 8, 11, 0.82));
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 8, 11, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: calc(var(--scroll-progress, 0) * 100%);
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
  box-shadow: 0 0 18px rgba(255, 138, 28, 0.7);
}

.nav {
  width: min(var(--max), calc(100% - 40px));
  min-height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 172px;
  height: 34px;
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 0 14px rgba(255, 138, 28, 0.18));
}

.brand-subtitle {
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  min-height: 40px;
  padding: 9px 13px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #c9d2d8;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  border-color: rgba(255, 138, 28, 0.38);
  background: rgba(255, 138, 28, 0.1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-flex;
  min-width: 38px;
  height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border: 1px solid rgba(11, 112, 216, 0.24);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  color: #0b70d8;
  font-size: 13px;
  font-weight: 700;
}

.lang-switch:hover {
  border-color: rgba(11, 112, 216, 0.46);
  background: #eef6fd;
}

.mobile-lang-switch {
  display: none !important;
}

.language-dropdown {
  position: relative;
  flex: 0 0 auto;
}

.language-dropdown summary {
  display: inline-flex;
  min-width: 48px;
  height: 36px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 11px;
  border: 1px solid rgba(11, 112, 216, 0.24);
  border-radius: 6px;
  background: #ffffff;
  color: #0b70d8;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.language-dropdown summary::-webkit-details-marker {
  display: none;
}

.language-dropdown summary::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}

.language-dropdown[open] summary::after {
  transform: translateY(2px) rotate(225deg);
}

.language-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 120;
  display: grid;
  width: 176px;
  padding: 7px;
  border: 1px solid #dfe9f2;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(20, 70, 112, 0.16);
}

.language-dropdown-menu a {
  display: flex;
  min-height: 38px;
  align-items: center;
  padding: 0 11px;
  border-radius: 5px;
  color: #29485f;
  font-size: 14px;
  font-weight: 500;
}

.language-dropdown-menu a:hover,
.language-dropdown-menu a.current {
  background: #eef6fd;
  color: #0b70d8;
}

.mobile-language-dropdown {
  display: none;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  cursor: pointer;
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 138, 28, 0.72);
  border-radius: 8px;
  background: var(--orange);
  color: #111111;
  font-weight: 850;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(255, 138, 28, 0.24);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.055);
  color: var(--ink);
  border-color: var(--line);
}

.hero {
  position: relative;
  min-height: calc(100vh - 74px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(6, 8, 11, 0.95), rgba(6, 8, 11, 0.72) 46%, rgba(6, 8, 11, 0.28)),
    linear-gradient(180deg, rgba(6, 8, 11, 0) 66%, var(--bg) 100%);
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.56;
  filter: saturate(0.8) contrast(1.05);
}

.immersive-hero {
  min-height: calc(100vh - 74px);
}

.immersive-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 138, 28, 0.18), transparent 28%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 4px);
  mix-blend-mode: screen;
  opacity: 0.36;
}

.hero-radar {
  position: absolute;
  right: 9%;
  top: 18%;
  z-index: 2;
  width: min(44vw, 560px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 138, 28, 0.28);
  border-radius: 50%;
  opacity: 0.62;
  animation: slow-spin 18s linear infinite;
}

.hero-radar::before,
.hero-radar::after {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(99, 231, 255, 0.2);
  border-radius: 50%;
}

.hero-radar::after {
  inset: 36%;
  border-color: rgba(255, 255, 255, 0.22);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 40px));
  min-height: calc(100vh - 74px);
  margin: 0 auto;
  padding: 64px 0 54px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.55fr);
  gap: 46px;
  align-items: center;
}

.hero-copy {
  transform: translateY(calc(var(--scroll-y, 0) * -0.02px));
}

.hero-status,
.terminal-bar,
.section-code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-status {
  width: min(760px, 100%);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 18px;
  margin-bottom: 30px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: #d6dee3;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--orange);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 800px;
  margin-bottom: 22px;
  font-size: clamp(46px, 7vw, 92px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 660px;
  margin-bottom: 32px;
  color: #c2cbd1;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 150px));
  gap: 18px;
  margin-top: 48px;
}

.metric {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.metric strong {
  display: block;
  font-size: 32px;
  line-height: 1.1;
  color: #ffffff;
}

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

.hero-console,
.holo-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(3, 5, 7, 0.72);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.holo-panel {
  align-self: end;
  backdrop-filter: blur(12px);
  transform: translateY(calc(var(--scroll-y, 0) * 0.03px));
}

.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: #cdd7de;
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
}

.terminal-screen {
  padding: 20px;
  min-height: 360px;
}

.holo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.holo-grid div {
  min-height: 110px;
  padding: 18px;
  background: rgba(3, 5, 7, 0.74);
}

.holo-grid span {
  display: block;
  margin-bottom: 16px;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.13em;
}

.holo-grid strong {
  color: var(--green);
  font-size: 34px;
  line-height: 1;
}

.terminal-line {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #dfe8ed;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.terminal-line span:first-child {
  color: var(--muted);
}

.terminal-line strong {
  color: var(--green);
  font-weight: 900;
}

.terminal-feed {
  margin-top: 20px;
  padding: 16px;
  min-height: 104px;
  border: 1px solid rgba(99, 231, 255, 0.18);
  border-radius: 8px;
  background: rgba(99, 231, 255, 0.05);
  color: #dce7ec;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.holo-panel .terminal-feed {
  margin: 18px;
}

.hero-bottom {
  position: absolute;
  left: 50%;
  bottom: 26px;
  z-index: 3;
  width: min(var(--max), calc(100% - 40px));
  display: flex;
  justify-content: space-between;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.62);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chapter {
  min-height: 100vh;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1fr);
  gap: 58px;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.chapter.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
}

.chapter.reverse .chapter-visual {
  order: 2;
}

.chapter-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 138, 28, 0.08), rgba(99, 231, 255, 0.06)),
    rgba(255, 255, 255, 0.035);
  overflow: hidden;
}

.chapter-index {
  position: absolute;
  left: 24px;
  top: 20px;
  color: rgba(255, 255, 255, 0.16);
  font-size: clamp(92px, 12vw, 160px);
  font-weight: 900;
  line-height: 1;
}

.chapter-copy h2 {
  max-width: 720px;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.02;
}

.chapter-copy p {
  max-width: 620px;
  color: #c1ccd3;
  font-size: 18px;
}

.flow-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.flow-row span {
  min-height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: #f1f6f8;
  font-weight: 800;
}

.orbit-stack {
  position: relative;
  width: min(76%, 420px);
  aspect-ratio: 1;
}

.orbit-stack span {
  position: absolute;
  inset: var(--inset, 0);
  border: 1px solid rgba(255, 138, 28, 0.52);
  border-radius: 50%;
  animation: slow-spin 16s linear infinite;
}

.orbit-stack span:nth-child(2) {
  --inset: 16%;
  border-color: rgba(99, 231, 255, 0.48);
  animation-duration: 12s;
  animation-direction: reverse;
}

.orbit-stack span:nth-child(3) {
  --inset: 32%;
  border-color: rgba(106, 255, 179, 0.44);
  animation-duration: 9s;
}

.signal-wave {
  width: min(76%, 420px);
  display: grid;
  gap: 18px;
}

.signal-wave span {
  height: 28px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(99, 231, 255, 0.82), transparent);
  animation: wave-slide 2.4s ease-in-out infinite;
}

.signal-wave span:nth-child(2) { animation-delay: 0.18s; opacity: 0.75; }
.signal-wave span:nth-child(3) { animation-delay: 0.36s; opacity: 0.56; }
.signal-wave span:nth-child(4) { animation-delay: 0.54s; opacity: 0.38; }

.light-field {
  position: relative;
  width: min(78%, 460px);
  height: 360px;
}

.light-field i {
  position: absolute;
  bottom: 0;
  width: 2px;
  height: var(--h, 180px);
  left: var(--x, 50%);
  background: linear-gradient(0deg, var(--orange), transparent);
  transform: rotate(var(--r, 0deg));
  transform-origin: bottom center;
  animation: pulse-light 2.2s ease-in-out infinite;
}

.light-field i:nth-child(1) { --x: 18%; --h: 260px; --r: -16deg; }
.light-field i:nth-child(2) { --x: 34%; --h: 320px; --r: -8deg; animation-delay: 0.2s; }
.light-field i:nth-child(3) { --x: 50%; --h: 350px; --r: 0deg; animation-delay: 0.4s; }
.light-field i:nth-child(4) { --x: 66%; --h: 320px; --r: 8deg; animation-delay: 0.6s; }
.light-field i:nth-child(5) { --x: 82%; --h: 260px; --r: 16deg; animation-delay: 0.8s; }

@keyframes slow-spin {
  to { transform: rotate(360deg); }
}

@keyframes wave-slide {
  0%, 100% { transform: scaleX(0.58); opacity: 0.35; }
  50% { transform: scaleX(1); opacity: 1; }
}

@keyframes pulse-light {
  50% { opacity: 0.35; filter: blur(1px); }
}

.typing-caret::after {
  content: "_";
  color: var(--orange);
  animation: blink 0.9s steps(2, start) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
}

.signal-item {
  position: relative;
  min-height: 132px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.signal-item::before {
  content: "+";
  position: absolute;
  top: 10px;
  right: 14px;
  color: rgba(255, 255, 255, 0.34);
  font-family: "SFMono-Regular", Consolas, monospace;
}

.signal-item:last-child {
  border-right: 0;
}

.signal-item span {
  display: block;
  margin-bottom: 10px;
  color: var(--orange);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-item strong {
  font-size: 20px;
  line-height: 1.35;
}

.section {
  padding: 92px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.section.alt {
  background: rgba(255, 255, 255, 0.035);
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(280px, 0.64fr);
  gap: 52px;
  align-items: end;
  margin-bottom: 38px;
}

.section-code {
  margin-bottom: 16px;
  color: var(--muted);
}

.section-head h2,
.page-title h1 {
  margin-bottom: 14px;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.08;
}

.section-head p,
.page-title p {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

.card,
.panel,
.product-card {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: none;
  overflow: hidden;
}

.card {
  padding: 24px;
}

.card::after,
.panel::after,
.product-card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 22px;
  height: 22px;
  border-top: 1px solid var(--orange);
  border-right: 1px solid var(--orange);
  opacity: 0.42;
}

.card:hover,
.product-card:hover,
.panel:hover {
  border-color: rgba(255, 138, 28, 0.44);
  background: var(--panel-strong);
}

.icon-tile {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid currentColor;
  border-radius: 8px;
  color: var(--cyan);
  font-weight: 900;
}

.icon-tile.green { color: var(--green); }
.icon-tile.amber { color: var(--orange); }
.icon-tile.red { color: var(--violet); }

.card h3 {
  margin-bottom: 9px;
  font-size: 20px;
}

.card p {
  margin-bottom: 16px;
  color: var(--muted);
}

.feature-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #c0cbd2;
  font-size: 14px;
}

.feature-list li {
  display: flex;
  gap: 9px;
}

.feature-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px rgba(106, 255, 179, 0.6);
}

.lab-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 20px;
}

.scenario-panel {
  min-height: 420px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.scenario-tabs {
  display: grid;
  gap: 10px;
}

.scenario-tab {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: #d7e0e5;
  text-align: left;
  cursor: pointer;
}

.scenario-tab.active {
  border-color: rgba(255, 138, 28, 0.7);
  background: rgba(255, 138, 28, 0.12);
  color: #ffffff;
}

.scenario-stage {
  padding: 28px;
}

.scenario-stage h3 {
  font-size: clamp(26px, 4vw, 48px);
  line-height: 1.08;
}

.scenario-stage p {
  color: #c0cbd2;
}

.workflow-map {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.workflow-node {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 14px;
  align-items: center;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.workflow-node span {
  color: var(--orange);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-weight: 900;
}

.band {
  padding: 44px;
  border: 1px solid rgba(255, 138, 28, 0.32);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 138, 28, 0.16), rgba(99, 231, 255, 0.08)),
    rgba(255, 255, 255, 0.05);
  color: #ffffff;
  overflow: hidden;
}

.band h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 44px);
}

.band p {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.74);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1.1fr);
  gap: 48px;
  align-items: center;
}

.panel {
  padding: 30px;
}

.process {
  display: grid;
  gap: 18px;
}

.process-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
}

.process-no {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 138, 28, 0.12);
  color: var(--orange);
  font-weight: 900;
}

.page-hero {
  padding: 86px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 138, 28, 0.11), transparent 42%),
    rgba(255, 255, 255, 0.035);
}

.page-title {
  width: min(840px, 100%);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.filter-btn {
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: #c9d2d8;
  cursor: pointer;
}

.filter-btn.active,
.filter-btn:hover {
  background: rgba(255, 138, 28, 0.16);
  color: #ffffff;
  border-color: rgba(255, 138, 28, 0.52);
}

.product-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 0;
}

.product-card-link {
  display: flex;
  min-height: 100%;
  width: 100%;
  flex-direction: column;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.product-media {
  min-height: 178px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(255, 138, 28, 0.12), rgba(99, 231, 255, 0.1)),
    rgba(255, 255, 255, 0.04);
  color: var(--orange);
  font-size: 42px;
  font-weight: 900;
}

.product-media img {
  width: auto;
  max-width: 88%;
  height: auto;
  max-height: 220px;
  object-fit: contain;
  padding: 18px;
}

.product-body {
  flex: 1;
  padding: 22px;
}

.product-more {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  color: var(--cyan);
  font-weight: 850;
}

.product-card:hover .product-more span {
  transform: translateX(3px);
}

.product-more span {
  transition: transform 0.18s ease;
}

.tag {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(255, 138, 28, 0.12);
  color: #ffd2a4;
  font-size: 12px;
  font-weight: 850;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 22px;
  align-items: start;
}

.admin-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.form-grid,
.field {
  display: grid;
  gap: 14px;
}

.field {
  gap: 7px;
}

.field label {
  color: #d7e0e5;
  font-size: 13px;
  font-weight: 750;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.admin-detail-textarea {
  min-height: 520px;
  line-height: 1.75;
}

.admin-product {
  display: grid;
  grid-template-columns: 86px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.admin-thumb {
  width: 86px;
  height: 66px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--orange);
  font-weight: 900;
}

.admin-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
}

.admin-actions,
.hero-actions {
  display: flex;
  gap: 10px;
}

.admin-actions form {
  margin: 0;
}

.icon-btn {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  cursor: pointer;
}

.icon-btn.danger {
  color: #ff8f8f;
}

.notice {
  margin-top: 14px;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.product-detail-hero {
  overflow: hidden;
}

.product-detail-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1.08fr);
  gap: 44px;
  align-items: center;
}

.detail-media {
  position: relative;
  min-height: 500px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(31, 143, 255, 0.13), rgba(255, 255, 255, 0.78)),
    rgba(255, 255, 255, 0.66);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.detail-media::before {
  content: "";
  position: absolute;
  inset: 9%;
  border: 1px solid rgba(31, 143, 255, 0.18);
  border-radius: 50%;
  animation: slow-spin 18s linear infinite;
}

.detail-media::after {
  content: "";
  position: absolute;
  inset: auto 11% 11%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(31, 143, 255, 0.55), transparent);
}

.detail-media img {
  position: relative;
  z-index: 1;
  width: auto;
  max-width: min(82%, 520px);
  height: auto;
  max-height: 420px;
  object-fit: contain;
  filter: drop-shadow(0 28px 40px rgba(35, 76, 110, 0.16));
}

.detail-media span {
  position: relative;
  z-index: 1;
  color: var(--orange);
  font-size: 92px;
  font-weight: 900;
}

.detail-copy {
  min-width: 0;
}

.detail-copy h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
}

.detail-model-large {
  margin: 16px 0 22px;
  color: #0873d1;
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 850;
  line-height: 1;
}

.detail-category-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  margin-bottom: 26px;
  color: #4b6579;
}

.detail-category-line span {
  color: var(--muted);
  font-size: 13px;
}

.detail-category-line strong {
  color: var(--ink);
  font-size: 18px;
}

.detail-lead {
  color: #425b6f;
  font-size: 18px;
}

.detail-text {
  margin: 22px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.64);
}

.detail-text p:last-child {
  margin-bottom: 0;
}

.detail-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.detail-kpis div {
  min-height: 92px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
}

.detail-kpis span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-kpis strong {
  color: var(--ink);
  font-size: 18px;
}

.product-detail-body {
  padding-top: 0;
}

.detail-full-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 34px;
  align-items: start;
}

.detail-full-media {
  position: sticky;
  top: 112px;
  min-height: 380px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(31, 143, 255, 0.12), rgba(255, 255, 255, 0.86)),
    rgba(255, 255, 255, 0.78);
  box-shadow: 0 20px 48px rgba(43, 88, 128, 0.11);
  overflow: hidden;
}

.detail-full-media img {
  width: auto;
  max-width: min(86%, 440px);
  height: auto;
  max-height: 310px;
  object-fit: contain;
  filter: drop-shadow(0 24px 34px rgba(35, 76, 110, 0.14));
}

.detail-full-media span {
  color: var(--orange);
  font-size: 72px;
  font-weight: 900;
}

.detail-full-copy h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.12;
}

.detail-full-copy .detail-text {
  margin-top: 18px;
}

.empty-state {
  max-width: 760px;
}

.site-footer {
  background: #030405;
  color: #ffffff;
}

.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 34px;
}

.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.68);
}

.footer-logo {
  width: 190px;
  height: 42px;
  margin-bottom: 16px;
  object-fit: contain;
  object-position: left center;
}

.footer-links {
  display: grid;
  gap: 9px;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .nav {
    min-height: 64px;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 20px;
    right: 20px;
    display: none;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(6, 8, 11, 0.96);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: grid;
  }

  .nav-links a {
    width: 100%;
  }

  .nav-actions .btn {
    display: none;
  }

  .hero-content,
  .chapter,
  .chapter.reverse,
  .grid.four,
  .grid.three,
  .section-head,
  .split,
  .lab-layout,
  .admin-layout,
  .product-detail-layout,
  .detail-full-layout,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .chapter,
  .chapter.reverse {
    min-height: auto;
    padding: 72px 0;
  }

  .chapter.reverse .chapter-visual {
    order: 0;
  }

  .hero-content {
    padding: 58px 0 70px;
  }

  .hero-console {
    max-width: 620px;
  }

  .detail-media {
    min-height: 420px;
  }

  .detail-full-media {
    position: relative;
    top: auto;
    min-height: 340px;
  }

  .hero-radar {
    width: 72vw;
    right: -14%;
    top: 14%;
  }

  .signal-strip {
    grid-template-columns: 1fr 1fr;
  }

  .signal-item:nth-child(2n) {
    border-right: 0;
  }
}

@media (max-width: 640px) {
  .nav,
  .container,
  .hero-content,
  .footer-inner {
    width: min(100% - 28px, var(--max));
  }

  .brand-subtitle {
    display: none;
  }

  .brand-logo {
    width: 134px;
    height: 30px;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    min-height: auto;
  }

  .hero-bottom {
    position: relative;
    left: auto;
    bottom: auto;
    width: min(100% - 28px, var(--max));
    margin: -38px auto 34px;
    transform: none;
  }

  h1 {
    font-size: 42px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-metrics,
  .flow-row,
  .signal-strip,
  .grid.two,
  .detail-kpis {
    grid-template-columns: 1fr;
  }

  .signal-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 62px 0;
  }

  .band,
  .panel,
  .card {
    padding: 22px;
  }

  .admin-product {
    grid-template-columns: 70px 1fr;
  }

  .admin-actions {
    grid-column: 2;
  }

  .detail-media {
    min-height: 320px;
  }

  .detail-media img {
    max-height: 280px;
  }

  .detail-copy h2 {
    font-size: 30px;
  }

  .detail-model-large {
    font-size: 40px;
  }

  .detail-full-media {
    min-height: 280px;
  }

  .detail-full-media img {
    max-height: 230px;
  }
}

/* Light blue-gray theme override */
:root {
  --bg: #f3f7fb;
  --bg-soft: #e8f0f7;
  --panel: rgba(255, 255, 255, 0.74);
  --panel-strong: rgba(255, 255, 255, 0.92);
  --ink: #102131;
  --muted: #607383;
  --line: rgba(25, 65, 95, 0.15);
  --cyan: #1f8fff;
  --green: #15a878;
  --violet: #6977d9;
  --shadow: 0 28px 80px rgba(35, 76, 110, 0.16);
}

body {
  background:
    linear-gradient(rgba(31, 143, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 143, 255, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 74% 18%, rgba(31, 143, 255, 0.18), transparent 28%),
    radial-gradient(circle at 20% 82%, rgba(255, 138, 28, 0.1), transparent 30%),
    var(--bg);
  background-size: 48px 48px, 48px 48px, auto, auto, auto;
}

body::before {
  background: linear-gradient(180deg, rgba(243, 247, 251, 0.12), rgba(243, 247, 251, 0.76));
}

.site-header {
  background: rgba(246, 250, 253, 0.86);
  border-bottom-color: rgba(25, 65, 95, 0.13);
}

.nav-links a {
  color: #334b5f;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  border-color: rgba(31, 143, 255, 0.28);
  background: #1f5f9f;
}

.menu-toggle,
.btn.secondary,
.flow-row span,
.scenario-tab,
.field input,
.field select,
.field textarea,
.icon-btn {
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(243, 247, 251, 0.98), rgba(243, 247, 251, 0.78) 43%, rgba(243, 247, 251, 0.34)),
    linear-gradient(180deg, rgba(243, 247, 251, 0) 66%, var(--bg) 100%);
}

.hero img {
  opacity: 0.62;
  filter: saturate(0.72) contrast(0.98) brightness(1.12);
}

.immersive-hero::after {
  background:
    linear-gradient(120deg, rgba(31, 143, 255, 0.14), transparent 28%),
    repeating-linear-gradient(0deg, rgba(31, 143, 255, 0.045) 0 1px, transparent 1px 4px);
  mix-blend-mode: multiply;
  opacity: 0.28;
}

.hero-radar {
  border-color: rgba(31, 143, 255, 0.24);
}

.hero-status,
.terminal-bar {
  color: #35546d;
}

.hero-lead,
.chapter-copy p,
.section-head p,
.page-title p,
.card p,
.band p {
  color: #526b7d;
}

.metric strong,
h1,
h2,
h3,
.signal-item strong {
  color: var(--ink);
}

.holo-panel,
.hero-console {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
}

.holo-grid {
  background: rgba(25, 65, 95, 0.12);
}

.holo-grid div {
  background: rgba(255, 255, 255, 0.72);
}

.terminal-line {
  color: #263e51;
  border-bottom-color: rgba(25, 65, 95, 0.12);
}

.terminal-feed {
  background: rgba(31, 143, 255, 0.06);
  color: #25475f;
}

.hero-bottom {
  color: rgba(16, 33, 49, 0.62);
}

.signal-strip,
.section.alt {
  background: rgba(255, 255, 255, 0.58);
}

.signal-item::before {
  color: rgba(16, 33, 49, 0.28);
}

.section,
.chapter {
  border-bottom-color: rgba(25, 65, 95, 0.12);
}

.chapter-visual {
  background:
    linear-gradient(135deg, rgba(31, 143, 255, 0.1), rgba(255, 255, 255, 0.68)),
    rgba(255, 255, 255, 0.62);
}

.chapter-index {
  color: rgba(31, 143, 255, 0.14);
}

.card,
.panel,
.product-card {
  background: var(--panel);
  backdrop-filter: blur(14px);
}

.card:hover,
.product-card:hover,
.panel:hover {
  background: var(--panel-strong);
  border-color: rgba(31, 143, 255, 0.34);
}

.feature-list {
  color: #455d70;
}

.scenario-tab.active {
  background: rgba(31, 143, 255, 0.12);
  color: #102131;
}

.band {
  background:
    linear-gradient(135deg, rgba(31, 143, 255, 0.14), rgba(255, 255, 255, 0.82)),
    rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.process-no {
  background: rgba(31, 143, 255, 0.1);
}

@media (max-width: 980px) {
  .nav-links {
    background: rgba(246, 250, 253, 0.98);
  }
}

/* Cleaner enterprise blue-white finish */
:root {
  --orange: #ff8a1c;
  --cyan: #176bca;
  --bg: #f7fafd;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-strong: #ffffff;
  --line: rgba(20, 72, 118, 0.12);
  --shadow: 0 20px 58px rgba(35, 76, 110, 0.12);
}

.site-header {
  box-shadow: 0 8px 28px rgba(35, 76, 110, 0.06);
}

.btn {
  border-color: #176bca;
  background: #176bca;
  color: #ffffff;
}

.btn:hover {
  box-shadow: 0 14px 32px rgba(23, 107, 202, 0.22);
}

.btn.secondary {
  border-color: rgba(23, 107, 202, 0.2);
  background: #ffffff;
  color: #17486f;
}

.card::after,
.panel::after,
.product-card::after {
  border-top-color: #176bca;
  border-right-color: #176bca;
}

.tag {
  background: rgba(23, 107, 202, 0.08);
  color: #176bca;
}

.page-hero {
  background:
    linear-gradient(135deg, rgba(23, 107, 202, 0.11), transparent 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(247, 250, 253, 0.92));
}

.admin-console-page {
  min-height: 100vh;
}

.admin-login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.admin-login-card {
  width: min(440px, 100%);
  display: grid;
  gap: 18px;
}

.admin-login-card h1 {
  margin-bottom: 0;
  font-size: 40px;
}

.admin-login-card .brand-logo {
  width: 186px;
  margin-bottom: 8px;
}

.admin-hero {
  padding-top: 66px;
}

.compact-head {
  display: block;
  margin-bottom: 18px;
}

.admin-current-image {
  width: 150px;
  min-height: 108px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.admin-current-image img {
  max-height: 120px;
  object-fit: contain;
  padding: 8px;
}

.notice.danger {
  color: #d43f3f;
}

/* Visual refresh: premium enterprise template style */
:root {
  --bg: #f6f9fd;
  --bg-soft: #edf4fb;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #ffffff;
  --ink: #10263b;
  --muted: #5f7487;
  --line: rgba(24, 82, 132, 0.12);
  --cyan: #146fd3;
  --green: #19a982;
  --violet: #6b7ed8;
  --orange: #f58220;
  --shadow: 0 24px 70px rgba(29, 79, 125, 0.13);
}

body {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(239, 246, 253, 0.7) 46%, #f7fbff),
    radial-gradient(circle at 78% 16%, rgba(20, 111, 211, 0.13), transparent 32%),
    radial-gradient(circle at 12% 82%, rgba(245, 130, 32, 0.08), transparent 28%);
}

body::before {
  background:
    linear-gradient(rgba(20, 111, 211, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 111, 211, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.65;
}

.site-header {
  background: rgba(255, 255, 255, 0.88);
  border-bottom-color: rgba(24, 82, 132, 0.1);
  box-shadow: 0 10px 34px rgba(35, 84, 128, 0.08);
}

.nav {
  min-height: 80px;
}

.nav-links a {
  color: #2f506a;
  font-weight: 760;
}

.nav-links a:hover,
.nav-links a.active {
  border-color: rgba(20, 111, 211, 0.16);
  background: rgba(20, 111, 211, 0.08);
  color: #125cae;
}

.btn {
  border-color: #146fd3;
  background: #146fd3;
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(20, 111, 211, 0.18);
}

.btn.secondary {
  border-color: rgba(20, 111, 211, 0.18);
  background: rgba(255, 255, 255, 0.78);
  color: #164a73;
  box-shadow: none;
}

.hero {
  min-height: calc(100vh - 80px);
  border-bottom: 1px solid rgba(24, 82, 132, 0.1);
  background: #edf5fc;
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(249, 252, 255, 0.98) 0%, rgba(249, 252, 255, 0.94) 28%, rgba(249, 252, 255, 0.66) 52%, rgba(249, 252, 255, 0.16) 82%),
    linear-gradient(180deg, rgba(246, 249, 253, 0) 68%, #f6f9fd 100%);
}

.hero img {
  opacity: 1;
  filter: saturate(0.96) contrast(1.02) brightness(1.02);
}

.immersive-hero::after {
  background:
    linear-gradient(120deg, rgba(20, 111, 211, 0.08), transparent 34%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.2) 0 1px, transparent 1px 90px);
  mix-blend-mode: normal;
  opacity: 0.42;
}

.hero-content {
  min-height: calc(100vh - 80px);
  grid-template-columns: minmax(0, 0.92fr) minmax(330px, 0.48fr);
  align-items: center;
  padding: 76px 0 82px;
}

.hero-status {
  width: auto;
  display: inline-flex;
  justify-content: flex-start;
  gap: 12px;
  margin-bottom: 26px;
  padding: 8px 12px;
  border: 1px solid rgba(20, 111, 211, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: #315977;
  box-shadow: 0 12px 34px rgba(29, 79, 125, 0.08);
}

h1 {
  max-width: 720px;
  font-size: clamp(42px, 5.8vw, 78px);
  line-height: 1.04;
}

.hero-lead {
  max-width: 610px;
  color: #4d6579;
  font-size: 18px;
}

.hero-metrics {
  grid-template-columns: repeat(3, minmax(0, 132px));
  margin-top: 44px;
}

.metric {
  border-top-color: rgba(20, 111, 211, 0.22);
}

.metric strong {
  color: #123653;
}

.holo-panel,
.hero-console {
  border-color: rgba(20, 111, 211, 0.14);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 28px 72px rgba(29, 79, 125, 0.14);
}

.terminal-bar {
  color: #285879;
  border-bottom-color: rgba(20, 111, 211, 0.12);
}

.terminal-dot {
  background: #19a982;
  box-shadow: 0 0 18px rgba(25, 169, 130, 0.5);
}

.holo-grid {
  background: rgba(20, 111, 211, 0.1);
}

.holo-grid div {
  background: rgba(255, 255, 255, 0.78);
}

.holo-grid span {
  color: #65809a;
}

.holo-grid strong,
.terminal-line strong {
  color: #146fd3;
}

.terminal-feed {
  border-color: rgba(20, 111, 211, 0.14);
  background: rgba(20, 111, 211, 0.055);
  color: #35536b;
}

.hero-radar {
  right: 6%;
  top: 14%;
  border-color: rgba(20, 111, 211, 0.18);
  opacity: 0.42;
}

.hero-bottom {
  color: rgba(16, 38, 59, 0.56);
}

.chapter {
  min-height: 760px;
  border-bottom-color: rgba(24, 82, 132, 0.1);
}

.chapter-visual {
  min-height: 460px;
  border-color: rgba(24, 82, 132, 0.12);
  background:
    linear-gradient(135deg, rgba(20, 111, 211, 0.08), rgba(255, 255, 255, 0.88)),
    #ffffff;
  box-shadow: 0 24px 70px rgba(29, 79, 125, 0.1);
}

.chapter-index {
  color: rgba(20, 111, 211, 0.1);
}

.chapter-copy h2 {
  font-size: clamp(34px, 4.2vw, 60px);
}

.chapter-copy p,
.section-head p,
.page-title p,
.card p {
  color: #5f7487;
}

.flow-row span {
  border-color: rgba(20, 111, 211, 0.13);
  background: #ffffff;
  color: #173f60;
}

.section {
  padding: 84px 0;
  border-bottom-color: rgba(24, 82, 132, 0.1);
}

.section.alt,
.signal-strip {
  background: rgba(255, 255, 255, 0.62);
}

.card,
.panel,
.product-card {
  border-color: rgba(24, 82, 132, 0.12);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 54px rgba(29, 79, 125, 0.08);
  backdrop-filter: blur(10px);
}

.card:hover,
.product-card:hover,
.panel:hover {
  border-color: rgba(20, 111, 211, 0.22);
  background: #ffffff;
  transform: translateY(-2px);
}

.card,
.product-card,
.panel {
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.card::after,
.panel::after,
.product-card::after {
  width: 28px;
  height: 28px;
  border-top-color: rgba(20, 111, 211, 0.58);
  border-right-color: rgba(20, 111, 211, 0.58);
}

.product-media {
  background:
    linear-gradient(135deg, rgba(20, 111, 211, 0.08), rgba(255, 255, 255, 0.86)),
    #f4f8fc;
}

.product-more,
.eyebrow,
.section-code {
  color: #146fd3;
}

.site-footer {
  background: #10263b;
}

@media (max-width: 980px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .holo-panel {
    max-width: 560px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(249, 252, 255, 0.98), rgba(249, 252, 255, 0.88) 58%, rgba(249, 252, 255, 0.26)),
      linear-gradient(180deg, rgba(246, 249, 253, 0) 68%, #f6f9fd 100%);
  }
}

@media (max-width: 640px) {
  .nav {
    min-height: 66px;
  }

  .hero-content {
    padding: 52px 0 64px;
  }

  .hero-status {
    display: grid;
    gap: 4px;
  }

  h1 {
    font-size: 40px;
  }

  .chapter {
    padding: 58px 0;
  }
}

/* Template-inspired business presentation layer */
.hero-solution-card {
  position: relative;
  align-self: center;
  padding: 30px;
  border: 1px solid rgba(20, 111, 211, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 30px 76px rgba(27, 79, 125, 0.16);
  backdrop-filter: blur(16px);
}

.hero-solution-card h2 {
  margin-bottom: 22px;
  color: #10263b;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.18;
}

.solution-list {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.solution-list div {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 4px 14px;
  padding: 16px;
  border: 1px solid rgba(20, 111, 211, 0.11);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(248, 252, 255, 0.96), rgba(255, 255, 255, 0.82));
}

.solution-list span {
  grid-row: span 2;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(20, 111, 211, 0.1);
  color: #146fd3;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
}

.solution-list strong {
  color: #143a59;
  font-size: 16px;
}

.solution-list p {
  margin: 0;
  color: #60778c;
  font-size: 14px;
}

.hero-radar,
.orbit-stack span,
.signal-wave span,
.light-field i {
  opacity: 0.5;
}

.chapter-visual {
  box-shadow: 0 24px 68px rgba(28, 82, 130, 0.08);
}

.page-hero {
  padding: 98px 0 64px;
}

.page-title {
  width: min(920px, 100%);
}

.filter-btn {
  background: #ffffff;
  color: #385b76;
}

.filter-btn.active,
.filter-btn:hover {
  background: #146fd3;
  border-color: #146fd3;
  color: #ffffff;
}

.product-card {
  box-shadow: 0 16px 46px rgba(28, 82, 130, 0.08);
}

.product-media img {
  width: auto;
  max-width: 88%;
  height: auto;
  max-height: 220px;
}

@media (max-width: 980px) {
  .hero-solution-card {
    max-width: 640px;
  }
}

@media (max-width: 640px) {
  .hero-solution-card {
    padding: 22px;
  }

  .solution-list div {
    grid-template-columns: 38px 1fr;
    padding: 14px;
  }
}

/* Style direction correction: clearer hero image and cleaner corporate menu */
.site-header {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 6px 22px rgba(32, 78, 120, 0.07);
}

.nav {
  min-height: 76px;
}

.brand-logo {
  width: 170px;
  height: 32px;
}

.brand-subtitle {
  color: #476171;
}

.nav-links {
  gap: 28px;
}

.nav-links a {
  position: relative;
  min-height: auto;
  padding: 26px 0 22px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #1b3448;
  font-size: 15px;
  font-weight: 760;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 15px;
  height: 2px;
  background: #146fd3;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  border-color: transparent;
  background: transparent;
  color: #146fd3;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-actions .btn.secondary {
  min-height: 40px;
  padding: 8px 18px;
  border-color: rgba(20, 111, 211, 0.24);
  background: transparent;
  color: #146fd3;
  box-shadow: none;
}

.hero {
  min-height: calc(100vh - 76px);
  background: #eef5fb;
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(247, 251, 255, 0.96) 0%, rgba(247, 251, 255, 0.84) 32%, rgba(247, 251, 255, 0.36) 52%, rgba(247, 251, 255, 0) 76%),
    linear-gradient(180deg, rgba(246, 249, 253, 0) 72%, #f6f9fd 100%);
}

.hero img {
  opacity: 1;
  filter: saturate(1.04) contrast(1.04) brightness(1);
  object-position: center center;
}

.immersive-hero::after {
  opacity: 0.12;
}

.hero-content {
  display: flex;
  min-height: calc(100vh - 76px);
  align-items: center;
  padding: 80px 0 86px;
}

.hero-copy {
  width: min(620px, 100%);
  padding: 0;
  transform: none;
}

.hero-status {
  margin-bottom: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  color: #146fd3;
}

.hero-status span + span {
  display: none;
}

.hero-copy h1 {
  max-width: 640px;
  font-size: clamp(46px, 6.2vw, 82px);
}

.hero-lead {
  max-width: 560px;
  color: #50687a;
}

.hero-solution-card {
  display: none;
}

/* Official-catalog navigation and product center */
.nav-links {
  position: relative;
}

.nav-links a.has-dropdown::before {
  content: "";
  position: absolute;
  right: -12px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-65%) rotate(45deg);
  opacity: 0.62;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  z-index: 20;
  display: grid;
  gap: 22px;
  min-width: min(820px, calc(100vw - 42px));
  padding: 24px;
  border: 1px solid rgba(38, 110, 176, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 70px rgba(28, 82, 130, 0.14);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  backdrop-filter: blur(16px);
}

.product-nav-panel {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.solution-nav-panel {
  min-width: 280px;
  left: auto;
  right: 0;
  transform: translateY(10px);
}

.nav-links a.has-dropdown:hover + .nav-dropdown,
.nav-links a.has-dropdown:focus-visible + .nav-dropdown,
.nav-dropdown:hover {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-links a.has-dropdown:hover + .solution-nav-panel,
.nav-links a.has-dropdown:focus-visible + .solution-nav-panel,
.solution-nav-panel:hover {
  transform: translateY(0);
}

.nav-dropdown div {
  display: grid;
  align-content: start;
  gap: 8px;
}

.nav-dropdown strong {
  margin-bottom: 6px;
  color: #10263b;
  font-size: 15px;
}

.nav-dropdown a {
  min-height: 0;
  padding: 7px 0;
  border: 0;
  color: #49677d;
  font-size: 14px;
}

.nav-dropdown a::after,
.nav-dropdown a::before {
  display: none;
}

.nav-dropdown a:hover {
  color: #146fd3;
  background: transparent;
}

.product-browser {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.product-sidebar {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 16px;
}

.product-tools {
  padding: 22px;
  border: 1px solid rgba(24, 82, 132, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(28, 82, 130, 0.08);
}

.product-tools h2 {
  margin: 4px 0 16px;
  font-size: 24px;
}

.search-field {
  display: grid;
  gap: 8px;
  color: #5d7284;
  font-size: 13px;
}

.search-field input {
  width: 100%;
  min-height: 42px;
  padding: 0 13px;
  border: 1px solid rgba(24, 82, 132, 0.14);
  border-radius: 6px;
  background: #ffffff;
  color: #122a40;
  outline: none;
}

.search-field input:focus {
  border-color: #146fd3;
  box-shadow: 0 0 0 3px rgba(20, 111, 211, 0.1);
}

.product-count {
  margin: 14px 0 0;
  color: #5d7284;
}

.product-count strong {
  color: #146fd3;
}

.product-sidebar .filters {
  display: grid;
  align-content: start;
  gap: 10px;
}

.filter-group {
  display: grid;
  width: 100%;
  gap: 8px;
  margin-top: 8px;
  padding: 14px;
  border: 1px solid rgba(24, 82, 132, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.filter-group strong {
  color: #203d54;
  font-size: 14px;
}

.filter-group > div {
  display: grid;
  gap: 7px;
}

.filter-btn {
  justify-content: space-between;
  width: 100%;
  text-align: left;
}

.filter-btn span {
  color: inherit;
  opacity: 0.64;
  font-size: 12px;
}

.product-grid {
  align-items: stretch;
}

.product-card {
  overflow: hidden;
}

.product-card .tag {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.product-card h3 {
  min-height: 48px;
}

.product-card p {
  display: -webkit-box;
  overflow: hidden;
  min-height: 66px;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

@media (max-width: 920px) {
  .nav-dropdown {
    position: static;
    display: none;
    min-width: 0;
    padding: 12px 14px;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-links.open .nav-dropdown {
    display: grid;
  }

  .product-nav-panel {
    grid-template-columns: 1fr;
  }

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

  .product-sidebar {
    position: static;
  }
}

.hero-radar {
  display: none;
}

.hero-bottom {
  color: rgba(16, 38, 59, 0.5);
}

@media (max-width: 980px) {
  .nav-links {
    gap: 0;
  }

  .nav-links a {
    padding: 12px 10px;
  }

  .nav-links a::after {
    display: none;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(247, 251, 255, 0.94) 0%, rgba(247, 251, 255, 0.72) 52%, rgba(247, 251, 255, 0.16) 100%),
      linear-gradient(180deg, rgba(246, 249, 253, 0) 70%, #f6f9fd 100%);
  }
}

@media (max-width: 640px) {
  .hero-content {
    padding: 56px 0 78px;
  }

  .hero-copy h1 {
    font-size: 40px;
  }
}

/* LIENCI official-site style pass */
.site-header {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid #e5edf5;
  box-shadow: 0 8px 28px rgba(22, 66, 106, 0.08);
}

.nav {
  min-height: 86px;
}

.brand-logo {
  width: 226px;
  height: 44px;
  object-fit: contain;
}

.brand-subtitle {
  display: none;
}

.nav-links {
  gap: 34px;
}

.nav-links a {
  color: #1b3e5a;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: #0b70d8;
}

.nav-links a.has-dropdown::before {
  right: -15px;
  border-color: currentColor;
}

.nav-dropdown {
  top: 100%;
  margin-top: 0;
  padding: 24px 28px;
  border-top: 3px solid #0b70d8;
  border-radius: 0 0 8px 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 20px 46px rgba(18, 64, 108, 0.16);
  transform: translate(-50%, 0);
}

.solution-nav-panel {
  transform: translateY(0);
}

.nav-links a.has-dropdown:hover + .nav-dropdown,
.nav-links a.has-dropdown:focus-visible + .nav-dropdown,
.nav-dropdown:hover {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-links a.has-dropdown:hover + .solution-nav-panel,
.nav-links a.has-dropdown:focus-visible + .solution-nav-panel,
.solution-nav-panel:hover {
  transform: translateY(0);
}

.nav-dropdown strong {
  padding-bottom: 8px;
  border-bottom: 1px solid #e6eef6;
  color: #143956;
  font-size: 16px;
}

.nav-dropdown a {
  color: #496b84;
  font-size: 14px;
}

.nav-dropdown a:hover {
  color: #0b70d8;
}

.product-browser {
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 30px;
}

.product-sidebar {
  max-height: calc(100vh - 112px);
  overflow-y: auto;
  padding-right: 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(11, 112, 216, 0.42) rgba(223, 234, 244, 0.8);
}

.product-sidebar::-webkit-scrollbar {
  width: 6px;
}

.product-sidebar::-webkit-scrollbar-thumb {
  background: rgba(11, 112, 216, 0.42);
  border-radius: 999px;
}

.product-tools,
.filter-group {
  border-color: #dce8f3;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: none;
}

.product-tools h2 {
  color: #143956;
}

.filter-group strong {
  color: #143956;
  font-size: 15px;
}

.filter-btn {
  min-height: 44px;
  border-color: #dce8f3;
  border-radius: 5px;
  background: #ffffff;
  color: #496b84;
}

.filter-btn.active,
.filter-btn:hover {
  background: #0b70d8;
  border-color: #0b70d8;
  color: #ffffff;
}

.product-grid.grid.three {
  align-items: stretch;
}

.product-card {
  height: 100%;
  min-height: 492px;
  overflow: hidden;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(24, 82, 132, 0.08);
}

.product-card-link {
  height: 100%;
}

.product-media {
  height: 238px;
  min-height: 238px;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(232, 243, 255, 0.92), rgba(255, 255, 255, 0.9)),
    #f4f9ff;
}

.product-media img {
  width: auto;
  max-width: 88%;
  height: auto;
  max-height: 196px;
  object-fit: contain;
}

.product-body {
  display: flex;
  min-height: 254px;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.product-card .tag {
  display: none;
}

.product-card h3 {
  display: -webkit-box;
  overflow: hidden;
  min-height: 64px;
  margin-bottom: 14px;
  color: #132f48;
  font-size: 24px;
  line-height: 1.34;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.product-card p {
  display: -webkit-box;
  overflow: hidden;
  min-height: 84px;
  margin-bottom: 20px;
  color: #5a7389;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.product-card .product-more {
  margin-top: auto;
  color: #0b70d8;
}

.product-inline-detail-wrap {
  display: block;
}

.product-inline-detail {
  display: block;
  min-height: 520px;
  padding: 28px;
  border: 1px solid rgba(24, 82, 132, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 46px rgba(24, 82, 132, 0.1);
}

.inline-detail-media {
  width: 100%;
  min-height: 420px;
  margin: 8px 0 24px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(24, 82, 132, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(232, 243, 255, 0.96), rgba(255, 255, 255, 0.94)),
    #f4f9ff;
  overflow: hidden;
}

.inline-detail-media img {
  width: auto;
  max-width: min(78%, 620px);
  height: auto;
  max-height: 360px;
  object-fit: contain;
  filter: drop-shadow(0 24px 36px rgba(35, 76, 110, 0.14));
}

.inline-detail-media span {
  color: var(--orange);
  font-size: 78px;
  font-weight: 900;
}

.inline-detail-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 8px 4px 0;
}

.inline-detail-copy .tag {
  margin-bottom: 18px;
}

.inline-detail-copy h2 {
  margin-bottom: 14px;
  color: #132f48;
  font-size: clamp(30px, 3.4vw, 48px);
  line-height: 1.16;
}

.inline-detail-model {
  margin-bottom: 18px;
  color: #0873d1;
  font-size: clamp(36px, 4.4vw, 64px);
  font-weight: 850;
  line-height: 1;
}

.inline-detail-text {
  width: 100%;
  margin-bottom: 24px;
  color: #4f6a80;
  font-size: 16px;
  line-height: 1.9;
}

.inline-detail-section-title,
.detail-parameters-title {
  margin: 8px 0 14px;
  color: #173f60;
  font-size: 22px;
  line-height: 1.35;
}

.detail-parameter-list {
  overflow: hidden;
  padding: 0;
  border: 1px solid rgba(24, 82, 132, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.detail-parameter-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.32fr) minmax(0, 1fr);
  border-bottom: 1px solid rgba(24, 82, 132, 0.1);
}

.detail-parameter-row:last-child {
  border-bottom: 0;
}

.detail-parameter-row strong,
.detail-parameter-row span {
  min-width: 0;
  padding: 13px 16px;
  overflow-wrap: anywhere;
}

.detail-parameter-row strong {
  display: flex;
  align-items: center;
  border-right: 1px solid rgba(24, 82, 132, 0.1);
  background: rgba(231, 242, 252, 0.72);
  color: #173f60;
  font-size: 14px;
  font-weight: 720;
}

.detail-parameter-row span {
  color: #4f6a80;
  line-height: 1.72;
}

.detail-description-line {
  margin: 0;
  padding: 13px 16px;
  border-bottom: 1px solid rgba(24, 82, 132, 0.1);
  color: #4f6a80;
  line-height: 1.76;
}

.detail-description-line:last-child {
  border-bottom: 0;
}

.detail-parameter-group {
  margin: 0;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(24, 82, 132, 0.1);
  background: rgba(20, 111, 211, 0.08);
  color: #125cae;
  font-size: 15px;
  line-height: 1.4;
}

.inline-detail-text p {
  margin-bottom: 12px;
}

.inline-detail-back {
  margin-top: auto;
}

@media (max-width: 920px) {
  .brand-logo {
    width: 170px;
    height: 34px;
  }

  .nav {
    min-height: 68px;
  }

  .product-sidebar {
    max-height: none;
    overflow: visible;
  }

  .nav-dropdown {
    border-top: 0;
    transform: none;
  }

  .product-card {
    min-height: 0;
  }
}

/* LIENCI.net typography match */
body,
input,
textarea,
select,
button {
  font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.nav,
.nav-dropdown,
.nav-links a {
  font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", sans-serif;
}

.nav-links a {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0;
}

.nav-links a.active {
  font-weight: 400;
}

@media (max-width: 920px) {
  .nav-links a {
    font-size: 16px;
  }
}

.nav-dropdown strong {
  font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0;
}

.nav-dropdown a {
  font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
}

/* Official footer sitemap */
.site-footer {
  background: #253343;
  border-bottom: 4px solid #0b8fd3;
  color: #eef6ff;
}

.footer-inner.footer-sitemap {
  width: min(1160px, calc(100% - 48px));
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr)) 180px;
  gap: 48px;
  align-items: start;
  padding: 34px 0 80px;
}

.footer-links {
  gap: 18px;
}

.footer-links strong,
.footer-wechat strong {
  color: #ffffff;
  font-size: 20px;
  font-weight: 400;
  line-height: 1.2;
}

.footer-links a {
  color: rgba(234, 244, 252, 0.76);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.1;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

.footer-wechat {
  display: grid;
  gap: 26px;
}

.footer-wechat img {
  width: 164px;
  height: 164px;
  padding: 0;
  background: #ffffff;
  object-fit: cover;
}

.copyright {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
  padding: 32px 0 48px;
  border-top: 1px solid rgba(218, 231, 241, 0.22);
  color: rgba(234, 244, 252, 0.76);
  font-size: 15px;
  line-height: 1.6;
  text-align: left;
}

@media (max-width: 980px) {
  .footer-inner.footer-sitemap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 44px;
    padding-bottom: 52px;
  }

  .footer-wechat img {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 560px) {
  .footer-inner.footer-sitemap {
    width: min(100% - 36px, 1160px);
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 34px 0 42px;
  }

  .footer-links {
    gap: 14px;
  }

  .copyright {
    width: min(100% - 36px, 1160px);
    padding: 24px 0 36px;
    font-size: 13px;
  }
}

/* Header hotline, homepage title, and product-side navigation */
.header-hotline {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-width: 190px;
  min-height: 44px;
  padding: 4px 0;
  color: #24394b;
}

.header-hotline-icon {
  display: block;
  flex: 0 0 46px;
  width: 46px;
  height: 44px;
  overflow: hidden;
}

.header-hotline-icon img {
  display: block;
  width: 156px;
  max-width: none;
  height: 44px;
}

.header-hotline-copy {
  display: grid;
  min-width: 0;
  gap: 2px;
  line-height: 1;
}

.header-hotline-copy strong,
.header-hotline-copy small {
  white-space: nowrap;
}

.header-hotline-copy strong {
  color: #263a4d;
  font-size: 16px;
  font-weight: 750;
  letter-spacing: 0.01em;
}

.header-hotline-copy small {
  color: #89939b;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.2;
}

.hero-copy h1 {
  font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", sans-serif;
  max-width: 780px;
  color: #162d43;
  font-size: clamp(72px, 10vw, 132px);
  font-weight: 300;
  line-height: 0.95;
}

.hero-lead {
  font-size: 22px;
  font-weight: 300;
}

.product-browser {
  grid-template-columns: 280px minmax(0, 1fr);
}

.product-sidebar {
  gap: 0;
  max-height: none;
  overflow: visible;
  padding-right: 0;
}

.product-side-head {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 22px 26px 20px;
  background: #292929;
  color: #ffffff;
}

.product-side-head strong {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}

.product-side-head span {
  position: relative;
  color: #ffffff;
  font-size: 16px;
}

.product-side-head span::after {
  content: "";
  position: absolute;
  left: 98px;
  top: 50%;
  width: 86px;
  height: 1px;
  background: rgba(255, 255, 255, 0.36);
}

.product-side-head::after {
  content: "";
  position: absolute;
  left: 124px;
  bottom: 20px;
  width: 19px;
  height: 2px;
  background: #168bd6;
}

.product-side-search {
  padding: 16px;
  border: 1px solid #ececec;
  border-top: 0;
  background: #ffffff;
}

.product-side-search .search-field {
  gap: 9px;
}

.product-side-search .search-field span {
  color: #4c5f6d;
}

.product-side-search .search-field input {
  border-color: #d9e2ea;
  border-radius: 0;
  min-height: 42px;
}

.product-side-search .product-count {
  display: none;
}

.product-sidebar .filters {
  gap: 0;
}

.product-sidebar .filter-group {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.product-sidebar .filter-btn {
  position: relative;
  min-height: 58px;
  padding: 0 48px 0 22px;
  border: 0;
  border-bottom: 1px solid #ffffff;
  border-radius: 0;
  background: #eeeeee;
  color: #1d3446;
  font-size: 15px;
  font-weight: 400;
}

.product-sidebar .filter-btn > span {
  opacity: 1;
  font-size: 15px;
}

.product-sidebar .filter-sublist {
  display: none;
  background: #f7f7f7;
}

.product-sidebar .filter-group.open .filter-sublist {
  display: grid;
}

.product-sidebar .sub-filter {
  min-height: 46px;
  padding-left: 38px;
  background: #f7f7f7;
  color: #42586b;
  font-size: 14px;
}

.product-sidebar .sub-filter::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #9fb0bd;
  transform: translateY(-50%);
}

.product-sidebar .sub-filter.active,
.product-sidebar .sub-filter:hover {
  background: #eef5fb;
  color: #0b70d8;
}

.product-sidebar .sub-filter.active::before,
.product-sidebar .sub-filter:hover::before {
  background: #0b70d8;
}

.product-sidebar .filter-btn > i {
  position: absolute;
  right: 24px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 2px solid #7f8a92;
  border-right: 2px solid #7f8a92;
  transform: translateY(-50%) rotate(45deg);
}

.product-sidebar .filter-group.open .module-filter > i {
  transform: translateY(-50%) rotate(135deg);
}

.product-sidebar .filter-btn.active,
.product-sidebar .filter-btn:hover {
  background: #e6e6e6;
  color: #0b70d8;
}

.product-sidebar .filter-btn.active > i,
.product-sidebar .filter-btn:hover > i {
  border-color: #0b70d8;
}

@media (max-width: 920px) {
  .header-hotline {
    min-width: 184px;
  }

  .hero-copy h1 {
    font-size: clamp(54px, 18vw, 86px);
  }

  .hero-lead {
    font-size: 18px;
  }

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

@media (max-width: 640px) {
  .nav-actions {
    display: none;
  }
}

/* Download library: software installers, solution documents, and brochures */
.download-library-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.download-library-head > p {
  max-width: 620px;
  margin: 0;
  color: #60798d;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.download-card,
.download-empty {
  min-width: 0;
  padding: 24px;
  border: 1px solid #dfe9f2;
  border-radius: 10px;
  background: #ffffff;
}

.download-card {
  display: flex;
  min-height: 238px;
  flex-direction: column;
  align-items: flex-start;
  box-shadow: 0 14px 38px rgba(25, 76, 118, 0.07);
}

.download-card h3 {
  margin: 14px 0 8px;
  color: #173652;
  font-size: 20px;
}

.download-card p {
  margin: 0 0 16px;
  color: #60798d;
  font-size: 14px;
}

.download-type {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: #eaf4fd;
  color: #0b70d8;
  font-size: 12px;
  font-weight: 750;
}

.download-meta {
  margin-top: auto;
  color: #8a9aa7;
  font-size: 12px;
}

.resource-download-link,
.solution-download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #0b70d8;
  color: #0b70d8;
  font-weight: 700;
}

.resource-download-link {
  min-height: 38px;
  margin-top: 14px;
  padding: 0 18px;
  border-radius: 6px;
}

.resource-download-link:hover,
.solution-download-link:hover {
  background: #0b70d8;
  color: #ffffff;
}

.download-empty {
  grid-column: 1 / -1;
  padding: 34px;
  text-align: center;
}

.download-empty h3 {
  margin: 0 0 8px;
  color: #173652;
}

.download-empty p {
  max-width: 660px;
  margin: 0 auto;
  color: #60798d;
}

.solution-download-slot {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #e4edf4;
}

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

.solution-download-item > span {
  overflow: hidden;
  color: #546d80;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.solution-download-link {
  min-height: 32px;
  padding: 0 10px;
  border-radius: 5px;
  font-size: 12px;
  white-space: nowrap;
}

.resource-pending {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #7e909e;
  font-size: 13px;
}

.resource-pending::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #b9c8d3;
}

.admin-check {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #38546b;
  font-size: 14px;
  font-weight: 650;
}

.admin-check input {
  width: 18px;
  height: 18px;
}

.field small {
  color: #758a9a;
  font-size: 12px;
}

@media (max-width: 920px) {
  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .download-library-head {
    display: grid;
    gap: 10px;
  }

  .download-grid {
    grid-template-columns: 1fr;
  }

  .download-card {
    min-height: 0;
  }
}

/* Cleaner product cards: name and model only */
.product-card {
  min-height: 386px;
}

.product-body {
  min-height: 148px;
  padding: 24px 26px 28px;
}

.product-card h3 {
  min-height: 54px;
  margin-bottom: 8px;
  color: #173652;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
}

.product-model {
  display: block;
  margin-bottom: 18px;
  color: #6b8295;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.product-card p {
  display: none;
}

.product-card .product-more {
  font-size: 15px;
  font-weight: 600;
}

/* Product hero image carousel and LIENCI-style about page */
.product-hero-slider {
  display: none;
  position: relative;
  grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1.45fr);
  min-height: 340px;
  overflow: hidden;
  border-bottom: 1px solid #d8e6f2;
  background:
    linear-gradient(120deg, rgba(246, 251, 255, 0.98), rgba(229, 241, 252, 0.72)),
    #f5f9fd;
}

.product-hero-slider::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(19, 87, 144, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 87, 144, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.product-hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 16px;
  padding: 72px 5vw 72px max(5vw, calc((100vw - var(--max)) / 2 + 20px));
}

.product-hero-copy h1 {
  max-width: 520px;
  color: #10283f;
  font-size: clamp(38px, 4.8vw, 62px);
  font-weight: 500;
  line-height: 1.1;
}

.product-hero-copy p:last-child {
  max-width: 460px;
  color: #5c7488;
  font-size: 17px;
  line-height: 1.8;
}

.product-marquee {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 58px 0;
  mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
}

.product-marquee-track {
  display: flex;
  width: max-content;
  gap: 22px;
  animation: product-marquee 34s linear infinite;
}

.product-marquee:hover .product-marquee-track {
  animation-play-state: paused;
}

.hero-product-tile {
  display: grid;
  width: 216px;
  height: 210px;
  flex: 0 0 auto;
  align-content: center;
  justify-items: center;
  gap: 14px;
  border: 1px solid rgba(20, 111, 211, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 16px 34px rgba(24, 82, 132, 0.08);
}

.hero-product-tile img {
  width: auto;
  max-width: 82%;
  height: auto;
  max-height: 146px;
  object-fit: contain;
}

.hero-product-tile span {
  color: #173652;
  font-size: 14px;
  font-weight: 600;
}

@keyframes product-marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(calc(-50% - 11px));
  }
}

.product-hero-slider {
  display: none;
}

.product-banner-carousel {
  position: relative;
  min-height: clamp(360px, 38vw, 520px);
  overflow: hidden;
  border-bottom: 1px solid #d8e6f2;
  background: #eaf4fb;
}

.product-banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 900ms ease, visibility 900ms ease;
}

.product-banner-slide.active {
  opacity: 1;
  visibility: visible;
}

.product-banner-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 6800ms ease;
}

.product-banner-slide.active img {
  transform: scale(1);
}

.product-banner-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(235, 246, 255, 0.86) 0%, rgba(235, 246, 255, 0.58) 31%, rgba(235, 246, 255, 0.12) 62%, rgba(235, 246, 255, 0) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(13, 76, 130, 0.12));
}

.product-banner-copy {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(var(--max), calc(100% - 48px));
  min-height: clamp(360px, 38vw, 520px);
  align-content: center;
  gap: 18px;
  margin: 0 auto;
  color: #10283f;
}

.product-banner-copy h1 {
  max-width: 560px;
  font-size: clamp(42px, 5.2vw, 74px);
  font-weight: 500;
  line-height: 1.08;
}

.product-banner-copy p:last-child {
  max-width: 520px;
  color: #4e6d86;
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.85;
}

.product-banner-dots {
  position: absolute;
  z-index: 2;
  left: max(24px, calc((100vw - var(--max)) / 2 + 24px));
  bottom: 34px;
  display: flex;
  gap: 10px;
}

.product-banner-dots span {
  display: block;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: rgba(16, 40, 63, 0.24);
  transition: width 240ms ease, background 240ms ease;
}

.product-banner-dots span.active {
  width: 48px;
  background: #0b70d8;
}

.page-banner-carousel {
  position: relative;
  min-height: clamp(360px, 38vw, 520px);
  overflow: hidden;
  border-bottom: 1px solid #d8e6f2;
  background: #eaf4fb;
}

.page-banner-carousel.theme-dark {
  background: #10283f;
}

.page-banner-carousel.theme-dark .product-banner-copy {
  color: #ffffff;
}

.page-banner-carousel.theme-dark .product-banner-copy .eyebrow {
  color: #7fc8ff;
}

.page-banner-carousel.theme-dark .product-banner-copy h1 {
  color: #ffffff;
  text-shadow: 0 16px 34px rgba(0, 0, 0, 0.2);
}

.page-banner-carousel.theme-dark .product-banner-copy p:last-child {
  color: rgba(255, 255, 255, 0.86);
}

.page-banner-carousel.theme-dark .product-banner-slide::after {
  background:
    linear-gradient(90deg, rgba(7, 19, 32, 0.7), rgba(7, 33, 61, 0.42) 42%, rgba(7, 33, 61, 0.1) 72%, rgba(7, 33, 61, 0)),
    linear-gradient(180deg, rgba(5, 20, 34, 0.1), rgba(5, 20, 34, 0.32));
}

.page-banner-carousel .product-banner-dots span {
  background: rgba(255, 255, 255, 0.36);
}

.page-banner-carousel .product-banner-dots span.active {
  background: #2aa8ff;
}

.about-hero {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background: #16283a;
}

.about-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13, 31, 48, 0.74), rgba(13, 31, 48, 0.28), rgba(13, 31, 48, 0.08));
}

.about-hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 48px));
  min-height: 360px;
  margin: 0 auto;
  display: grid;
  align-content: center;
  gap: 16px;
  color: #ffffff;
}

.about-hero-inner h1 {
  color: #ffffff;
  font-size: clamp(42px, 5.8vw, 74px);
  font-weight: 500;
}

.about-hero-inner p:last-child {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.8;
}

.about-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 54px;
  align-items: start;
}

.about-side {
  position: sticky;
  top: 104px;
}

.about-side nav {
  display: grid;
}

.about-side nav a {
  position: relative;
  display: flex;
  min-height: 58px;
  align-items: center;
  padding: 0 46px 0 22px;
  border-bottom: 1px solid #ffffff;
  background: #eeeeee;
  color: #1d3446;
}

.about-side nav a::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 2px solid #7f8a92;
  border-right: 2px solid #7f8a92;
  transform: translateY(-50%) rotate(45deg);
}

.about-side nav a.active,
.about-side nav a:hover {
  color: #0b70d8;
  background: #e6e6e6;
}

.about-side nav a.active::after,
.about-side nav a:hover::after {
  border-color: #0b70d8;
}

.about-content {
  padding-top: 8px;
}

.about-content h2 {
  margin-bottom: 26px;
  color: #10283f;
  font-size: clamp(30px, 3.4vw, 46px);
}

.about-content p {
  max-width: 820px;
  margin-bottom: 18px;
  color: #526b80;
  font-size: 17px;
  line-height: 2;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.about-stats div {
  padding: 22px;
  border: 1px solid #dce8f3;
  border-radius: 8px;
  background: #ffffff;
}

.about-stats strong {
  display: block;
  color: #0b70d8;
  font-size: 30px;
  line-height: 1.1;
}

.about-stats span {
  display: block;
  margin-top: 8px;
  color: #5d7284;
}

.about-contact-panel {
  display: grid;
  justify-items: start;
  gap: 18px;
}

.about-contact-panel img {
  width: 156px;
  height: auto;
}

.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.honor-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
  border: 1px solid #dce8f3;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 16px 34px rgba(24, 82, 132, 0.06);
}

.honor-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid #e4edf6;
  border-radius: 6px;
  background: #f6faff;
  object-fit: contain;
}

.honor-card strong {
  color: #12324d;
  font-size: 15px;
  line-height: 1.5;
}

.news-list {
  display: grid;
  gap: 16px;
}

.news-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 24px;
  border: 1px solid #dce8f3;
  border-radius: 8px;
  background: #ffffff;
}

.news-item time {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border-radius: 8px;
  background: #0b70d8;
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
}

.news-item h3 {
  margin-bottom: 10px;
  color: #12324d;
  font-size: 22px;
}

.news-item p {
  max-width: 860px;
  color: #5d7284;
  line-height: 1.9;
}

.about-contact-grid {
  align-items: center;
}

.contact-lines {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.contact-lines p {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin: 0;
  color: #526b80;
  font-size: 17px;
  line-height: 1.8;
}

.contact-lines strong {
  color: #12324d;
}

.contact-lines a {
  color: #0b70d8;
  font-weight: 700;
}

.contact-map-card {
  overflow: hidden;
  border: 1px solid #dce8f3;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(24, 82, 132, 0.08);
}

.contact-map-card img {
  display: block;
  width: 100%;
  height: auto;
}

/* Cleaner database admin: category tree plus product table */
.admin-product-manager {
  max-width: 1320px;
}

.admin-main {
  background: #f6f9fc;
}

.admin-compact-section {
  padding-top: 34px;
}

.admin-dashboard-head,
.admin-page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.admin-dashboard-head h1,
.admin-page-head h1 {
  margin-top: 4px;
  color: #102c44;
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.15;
}

.admin-dashboard-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.admin-filter-form select {
  min-width: 260px;
  min-height: 42px;
  border: 1px solid #d7e3ef;
  border-radius: 6px;
  background: #ffffff;
  color: #21435d;
  padding: 0 12px;
  font: inherit;
}

.admin-form-page {
  max-width: 780px;
  margin: 0 auto;
}

.admin-main .admin-table-panel {
  margin-bottom: 22px;
}

.admin-compact-table {
  min-width: 720px;
}

.admin-manager-grid {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.admin-category-panel {
  position: sticky;
  top: 104px;
  padding: 0;
  overflow: hidden;
}

.admin-category-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(20, 111, 211, 0.12);
  background: #f7fbff;
}

.admin-category-title strong {
  color: #12324d;
  font-size: 18px;
}

.admin-category-title span {
  color: #6b8295;
  font-size: 13px;
}

.admin-category-tree {
  display: grid;
  max-height: 620px;
  overflow-y: auto;
  padding: 14px;
}

.admin-category-tree strong {
  margin: 14px 0 8px;
  color: #0b70d8;
  font-size: 13px;
}

.admin-category-tree strong:first-child {
  margin-top: 0;
}

.admin-category-tree a {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: #304e65;
}

.admin-category-tree a:hover,
.admin-category-tree a.active {
  border-color: rgba(11, 112, 216, 0.18);
  background: #eaf4ff;
  color: #0b70d8;
}

.admin-category-tree em {
  min-width: 28px;
  border-radius: 999px;
  background: rgba(11, 112, 216, 0.1);
  color: #0b70d8;
  font-style: normal;
  font-size: 12px;
  line-height: 22px;
  text-align: center;
}

.admin-table-panel {
  overflow: hidden;
  padding: 0;
}

.admin-table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border-bottom: 1px solid rgba(20, 111, 211, 0.12);
  background: #ffffff;
}

.admin-table-head h3 {
  margin-top: 5px;
  color: #12324d;
  font-size: 22px;
}

.admin-table-note {
  display: block;
  margin-top: 6px;
  color: #6b7f90;
  font-size: 13px;
}

.admin-product-table-wrap {
  overflow-x: auto;
}

.admin-product-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  background: #ffffff;
}

.admin-product-table th,
.admin-product-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #e5edf5;
  color: #39576f;
  text-align: left;
  vertical-align: middle;
}

.admin-product-table th {
  background: #f7fbff;
  color: #143956;
  font-size: 13px;
  font-weight: 700;
}

.admin-product-table td strong {
  display: block;
  color: #12324d;
  font-size: 15px;
}

.admin-product-table td p {
  display: block;
  margin-top: 5px;
  color: #7a8fa0;
  font-size: 13px;
}

.admin-product-table code {
  color: #5a7389;
  font-size: 12px;
}

.admin-table-thumb {
  width: 74px;
}

.admin-table-thumb img,
.admin-table-thumb span {
  display: grid;
  width: 54px;
  height: 42px;
  place-items: center;
  border: 1px solid #e2ecf5;
  border-radius: 5px;
  background: #f4f9ff;
  object-fit: contain;
}

.admin-empty-row {
  padding: 34px !important;
  color: #7a8fa0 !important;
  text-align: center !important;
}

.admin-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  padding: 18px 22px 22px;
  background: #ffffff;
}

.admin-pagination a {
  min-width: 38px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 1px solid #d7e3ef;
  border-radius: 6px;
  background: #ffffff;
  color: #21435d;
  font-size: 14px;
}

.admin-pagination a.active {
  border-color: #0b70d8;
  background: #0b70d8;
  color: #ffffff;
}

.admin-pagination a.disabled {
  pointer-events: none;
  opacity: 0.42;
}

.admin-category-groups {
  display: grid;
  gap: 18px;
}

.admin-category-group-card {
  padding: 0;
  overflow: hidden;
}

.admin-category-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border-bottom: 1px solid #dce8f3;
  background: #f8fbfe;
}

.admin-category-group-head h3 {
  margin: 4px 0 0;
  color: #102c44;
  font-size: 22px;
}

.admin-category-group-head span {
  color: #60798c;
  font-size: 14px;
}

.admin-category-group-actions {
  display: inline-flex;
  gap: 10px;
  align-items: center;
}

@media (max-width: 980px) {
  .admin-dashboard-head,
  .admin-page-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .admin-dashboard-actions,
  .admin-filter-form,
  .admin-filter-form select {
    width: 100%;
  }

  .admin-manager-grid {
    grid-template-columns: 1fr;
  }

  .admin-category-panel {
    position: static;
  }
}

@media (max-width: 980px) {
  .product-hero-slider,
  .about-layout {
    grid-template-columns: 1fr;
  }

  .product-banner-carousel,
  .page-banner-carousel,
  .product-banner-copy {
    min-height: 430px;
  }

  .product-banner-slide img {
    object-position: 62% center;
  }

  .product-banner-slide::after {
    background:
      linear-gradient(90deg, rgba(238, 247, 255, 0.94), rgba(238, 247, 255, 0.7) 48%, rgba(238, 247, 255, 0.16)),
      linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(13, 76, 130, 0.12));
  }

  .product-hero-copy {
    padding: 54px 24px 26px;
  }

  .product-marquee {
    padding: 14px 0 42px;
  }

  .about-side {
    position: static;
  }

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

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

  .news-item {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .product-hero-slider {
    min-height: 0;
  }

  .product-banner-carousel,
  .page-banner-carousel,
  .product-banner-copy {
    min-height: 390px;
  }

  .product-banner-copy {
    width: calc(100% - 36px);
    padding-bottom: 34px;
  }

  .product-banner-copy h1 {
    font-size: 36px;
  }

  .product-banner-copy p:last-child {
    max-width: 320px;
    font-size: 15px;
  }

  .product-banner-dots {
    left: 18px;
    bottom: 22px;
  }

  .hero-product-tile {
    width: 168px;
    height: 174px;
  }

  .hero-product-tile img {
    max-height: 116px;
  }

  .about-hero,
  .about-hero-inner {
    min-height: 300px;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .honor-grid {
    grid-template-columns: 1fr;
  }

  .honor-card {
    padding: 14px;
  }

  .contact-lines p {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

/* Mobile product center refinements */
@media (max-width: 760px) {
  .product-banner-carousel {
    min-height: 360px;
  }

  .product-banner-copy {
    width: calc(100% - 34px);
    min-height: 360px;
    gap: 12px;
    padding-top: 12px;
  }

  .product-banner-copy h1 {
    max-width: 330px;
    font-size: 36px;
    line-height: 1.12;
  }

  .product-banner-copy p:last-child {
    max-width: 320px;
    font-size: 15px;
    line-height: 1.65;
  }

  .product-banner-dots {
    left: 18px;
    bottom: 22px;
  }

  .product-browser {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .product-sidebar,
  .product-grid,
  .product-inline-detail,
  .inline-detail-copy {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .product-hero-slider {
    display: none;
  }

  .product-banner-carousel + .product-hero-slider + .section {
    padding-top: 22px;
  }

  .product-sidebar {
    position: static;
    gap: 8px;
    grid-template-columns: minmax(0, 1fr);
  }

  .product-side-head {
    display: none;
  }

  .product-side-search {
    padding: 10px;
    border: 1px solid #e2edf6;
    border-radius: 8px;
  }

  .product-side-search .search-field span {
    display: none;
  }

  .product-side-search .search-field input {
    min-height: 44px;
    border-radius: 4px;
    font-size: 15px;
  }

  .product-sidebar .filters {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    flex-wrap: nowrap;
    gap: 8px;
    min-height: 48px;
    width: 100%;
    max-width: 100%;
    padding: 0 0 8px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
  }

  .product-sidebar .filters::-webkit-scrollbar {
    height: 0;
  }

  .product-sidebar .filter-group {
    display: flex;
    flex: 0 0 auto;
    width: auto;
    gap: 8px;
    max-width: none;
  }

  .product-sidebar .filter-btn {
    flex: 0 0 auto;
    width: max-content;
    min-width: 112px;
    max-width: 172px;
    min-height: 42px;
    padding: 0 18px;
    border: 1px solid #dbe6ef;
    border-radius: 999px;
    background: #ffffff;
    color: #27465d;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    scroll-snap-align: start;
  }

  .product-sidebar .module-filter {
    min-width: 138px;
    max-width: 190px;
    padding-right: 34px;
    background: #edf5fc;
  }

  .product-sidebar .filter-btn > i {
    right: 14px;
    width: 7px;
    height: 7px;
    border-width: 1.5px;
  }

  .product-sidebar .filter-sublist {
    display: none;
    flex: 0 0 auto;
    gap: 8px;
    background: transparent;
  }

  .product-sidebar .filter-group.open .filter-sublist {
    display: flex;
  }

  .product-sidebar .sub-filter {
    min-width: 104px;
    max-width: 168px;
    min-height: 40px;
    padding: 0 14px;
    border-color: #e1eaf2;
    border-radius: 999px;
    background: #ffffff;
    font-size: 13px;
  }

  .product-sidebar .sub-filter::before {
    display: none;
  }

  .product-sidebar .filter-btn.active,
  .product-sidebar .filter-btn:hover,
  .product-sidebar .sub-filter.active,
  .product-sidebar .sub-filter:hover {
    border-color: #0b70d8;
    background: #0b70d8;
    color: #ffffff;
  }

  .product-sidebar .filter-btn.active > i,
  .product-sidebar .filter-btn:hover > i {
    border-color: #ffffff;
  }

  .product-grid.grid.three {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-card {
    min-height: 0;
    border-radius: 8px;
  }

  .product-card-link {
    min-height: 0;
  }

  .product-media {
    height: auto;
    aspect-ratio: 1.22;
  }

  .product-media img,
  .product-media span {
    max-width: 86%;
    max-height: 86%;
  }

  .product-body {
    min-height: 0;
    padding: 18px 18px 20px;
  }

  .product-card h3 {
    min-height: 0;
    margin-bottom: 6px;
    font-size: 18px;
    line-height: 1.35;
  }

  .product-model {
    margin-bottom: 12px;
  }

  .product-card .product-more {
    font-size: 14px;
  }

  .product-inline-detail {
    min-height: 0;
    padding: 18px;
  }

  .inline-detail-media {
    min-height: 280px;
  }

  .inline-detail-media img {
    max-height: 240px;
  }

  .inline-detail-copy h2 {
    font-size: 24px;
  }

  .inline-detail-model {
    font-size: 34px;
  }

  .detail-parameter-row {
    grid-template-columns: minmax(108px, 0.4fr) minmax(0, 1fr);
  }

  .detail-parameter-row strong,
  .detail-parameter-row span {
    padding: 11px 12px;
  }
}

@media (max-width: 420px) {
  .product-banner-copy h1 {
    font-size: 32px;
  }

  .product-sidebar .filter-btn {
    min-height: 40px;
    min-width: 108px;
    padding: 0 16px;
    font-size: 13px;
  }

  .product-sidebar .module-filter {
    min-width: 132px;
    padding-right: 32px;
  }

  .product-sidebar .sub-filter {
    min-width: 100px;
  }

  .product-card h3 {
    font-size: 17px;
  }
}

.mobile-filter-root {
  display: none;
}

.mobile-filter-panel {
  display: grid;
  gap: 0;
}

@media (max-width: 760px) {
  .product-sidebar .filters {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    overflow: visible;
    gap: 8px;
    min-height: 0;
    padding: 0;
  }

  .mobile-filter-root {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 16px;
    border: 1px solid #dce8f1;
    border-radius: 8px;
    background: #ffffff;
    color: #173652;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 12px 28px rgba(25, 83, 132, 0.08);
  }

  .mobile-filter-root em {
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
    color: #5b7488;
    font-style: normal;
    font-size: 13px;
    font-weight: 400;
    text-align: right;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-filter-root i {
    flex: 0 0 auto;
    width: 8px;
    height: 8px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
  }

  .mobile-filter-root.open i {
    transform: translateY(3px) rotate(225deg);
  }

  .mobile-filter-panel {
    display: none;
    overflow: hidden;
    border: 1px solid #e2edf6;
    border-radius: 8px;
    background: #ffffff;
  }

  .mobile-filter-panel.open {
    display: grid;
  }

  .product-sidebar .filter-group {
    display: grid;
    width: 100%;
    gap: 0;
    border-top: 1px solid #eef3f7;
  }

  .product-sidebar .filter-group:first-of-type {
    border-top: 0;
  }

  .product-sidebar .filter-btn {
    width: 100%;
    max-width: none;
    min-width: 0;
    min-height: 46px;
    justify-content: space-between;
    padding: 0 16px;
    border: 0;
    border-radius: 0;
    background: #ffffff;
    font-size: 15px;
    text-align: left;
  }

  .product-sidebar .module-filter {
    width: 100%;
    max-width: none;
    min-width: 0;
    padding-right: 36px;
    background: #ffffff;
  }

  .product-sidebar .filter-sublist {
    display: none;
    gap: 0;
    padding: 6px 8px 10px;
    background: #f7fbff;
  }

  .product-sidebar .filter-group.open .filter-sublist {
    display: grid;
  }

  .product-sidebar .sub-filter {
    width: 100%;
    max-width: none;
    min-width: 0;
    min-height: 42px;
    padding: 0 14px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: #42586b;
    font-size: 14px;
  }

  .product-sidebar .filter-btn.active,
  .product-sidebar .filter-btn:hover {
    background: #eef6fd;
    color: #0b70d8;
  }

  .product-sidebar .sub-filter.active,
  .product-sidebar .sub-filter:hover {
    background: #0b70d8;
    color: #ffffff;
  }
}

/* Mobile navigation cleanup */
@media (max-width: 920px) {
  .site-header {
    position: sticky;
    top: 0;
    z-index: 80;
  }

  .nav {
    min-height: 68px;
    padding: 10px 14px;
  }

  .brand-logo {
    width: 178px;
    height: 38px;
  }

  .menu-toggle {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid #dce7f0;
    border-radius: 8px;
    background: #ffffff;
    color: #173652;
    font-size: 20px;
    box-shadow: 0 10px 24px rgba(20, 74, 120, 0.08);
  }

  .nav-links {
    position: fixed;
    top: 68px;
    left: 14px;
    right: 14px;
    z-index: 90;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 8px;
    border: 1px solid #e1eaf2;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0 24px 60px rgba(18, 64, 108, 0.18);
  }

  .nav-links.open {
    display: grid;
  }

  .nav-links a {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    border: 0;
    border-bottom: 1px solid #eef3f7;
    border-radius: 6px;
    background: #ffffff;
    color: #183b55;
    font-size: 16px;
    font-weight: 500;
  }

  .nav-links a:last-of-type {
    border-bottom: 0;
  }

  .nav-links a:hover,
  .nav-links a.active {
    background: #eef6fd;
    color: #0b70d8;
  }

  .nav-links .mobile-lang-switch {
    display: flex !important;
  }

  .nav-links .mobile-language-dropdown {
    display: block;
    width: 100%;
  }

  .mobile-language-dropdown summary {
    width: 100%;
    min-height: 48px;
    justify-content: space-between;
    padding: 0 14px;
    border: 0;
    border-radius: 6px;
    background: #ffffff;
    color: #183b55;
    font-size: 16px;
    font-weight: 500;
  }

  .mobile-language-dropdown[open] summary {
    background: #eef6fd;
    color: #0b70d8;
  }

  .mobile-language-dropdown .language-dropdown-menu {
    position: static;
    width: 100%;
    padding: 4px 8px 8px;
    border: 0;
    border-radius: 0 0 6px 6px;
    background: #f7fbff;
    box-shadow: none;
  }

  .mobile-language-dropdown .language-dropdown-menu a {
    min-height: 42px;
    padding: 0 14px 0 22px;
    border-bottom: 1px solid #e8f0f6;
    background: transparent;
    font-size: 14px;
  }

  .mobile-language-dropdown .language-dropdown-menu a:last-child {
    border-bottom: 0;
  }

  .nav-links a::after,
  .nav-links a.has-dropdown::before {
    display: none;
  }

  .nav-dropdown,
  .nav-links.open .nav-dropdown,
  .solution-nav-panel,
  .nav-links.open .solution-nav-panel {
    display: none !important;
  }

  .nav-actions {
    display: none;
  }
}