:root {
  --bg: #f5f3f0;
  --bg-soft: #eef1f7;
  --panel: #ffffff;
  --text: #111827;
  --muted: #4d5b6f;
  --accent: #0f3b82;
  --accent-2: #2b7bff;
  --accent-3: #18b8a6;
  --accent-4: #f0b429;
  --brand-gradient: linear-gradient(135deg, #0f3b82 0%, #2b7bff 52%, #18b8a6 100%);
  --brand-soft: linear-gradient(120deg, rgba(15, 59, 130, 0.1), rgba(43, 123, 255, 0.08), rgba(24, 184, 166, 0.08));
  --brand-ink: #0b2350;
  --line: rgba(15, 23, 42, 0.08);
  --shadow: 0 28px 70px rgba(15, 23, 42, 0.12);
  --shadow-strong: 0 24px 60px rgba(15, 59, 130, 0.22);
  --glow: 0 0 0 1px rgba(43, 123, 255, 0.2), 0 10px 40px rgba(24, 184, 166, 0.18);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --space-1: clamp(12px, 1.2vw, 16px);
  --space-2: clamp(18px, 2vw, 24px);
  --space-3: clamp(26px, 3vw, 36px);
  --space-4: clamp(36px, 4vw, 48px);
  --space-5: clamp(48px, 6vw, 72px);
  --font-body: "OPPOSans", "Alibaba PuHuiTi", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-head: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
}

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

body {
  font-family: var(--font-body);
  color: var(--text);
  background: radial-gradient(circle at 10% 10%, #ffffff 0%, var(--bg) 45%, #e7eef9 100%);
  font-size: 16px;
  line-height: 1.95;
  letter-spacing: 0.2px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

p {
  margin-bottom: 16px;
}

.clamp-2,
.clamp-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.clamp-2 {
  -webkit-line-clamp: 2;
}

.clamp-3 {
  -webkit-line-clamp: 3;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--brand-ink);
  background: rgba(15, 59, 130, 0.06);
  border: 1px solid rgba(15, 59, 130, 0.14);
}

.chip-more {
  background: rgba(255, 255, 255, 0.6);
  border-style: dashed;
  color: var(--muted);
}

.container {
  width: min(1240px, 92vw);
  margin: 0 auto;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.backdrop::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--brand-soft);
  opacity: 0.55;
}

.glow {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.45;
}

.glow-a {
  background: radial-gradient(circle, rgba(43, 123, 255, 0.28), transparent 70%);
  top: -120px;
  right: -160px;
}

.glow-b {
  background: radial-gradient(circle, rgba(24, 184, 166, 0.28), transparent 70%);
  bottom: -140px;
  left: -120px;
}

.grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.16;
}

.scanlines {
  position: absolute;
  inset: -20% 0 0 0;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(15, 59, 130, 0.08) 0,
    rgba(15, 59, 130, 0.08) 1px,
    transparent 1px,
    transparent 6px
  );
  opacity: 0.35;
  pointer-events: none;
}

.hud-frame {
  position: absolute;
  inset: 36px;
  border-radius: 32px;
  border: 1px solid rgba(15, 59, 130, 0.18);
  background:
    linear-gradient(90deg, rgba(15, 59, 130, 0.35) 0 140px, transparent 140px) top left / 180px 2px no-repeat,
    linear-gradient(rgba(15, 59, 130, 0.35) 0 140px, transparent 140px) top left / 2px 180px no-repeat,
    linear-gradient(90deg, rgba(15, 59, 130, 0.35) 0 140px, transparent 140px) top right / 180px 2px no-repeat,
    linear-gradient(rgba(15, 59, 130, 0.35) 0 140px, transparent 140px) top right / 2px 180px no-repeat,
    linear-gradient(90deg, rgba(15, 59, 130, 0.35) 0 140px, transparent 140px) bottom left / 180px 2px no-repeat,
    linear-gradient(rgba(15, 59, 130, 0.35) 0 140px, transparent 140px) bottom left / 2px 180px no-repeat,
    linear-gradient(90deg, rgba(15, 59, 130, 0.35) 0 140px, transparent 140px) bottom right / 180px 2px no-repeat,
    linear-gradient(rgba(15, 59, 130, 0.35) 0 140px, transparent 140px) bottom right / 2px 180px no-repeat;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5);
  opacity: 0.6;
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(249, 249, 251, 0.88);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: var(--brand-gradient);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-name {
  font-family: var(--font-head);
  font-size: 20px;
  letter-spacing: 0.5px;
}

.site-header .brand-name {
  white-space: nowrap;
}

.brand-tagline {
  font-size: 12px;
  color: var(--muted);
}

.nav-links {
  display: flex;
  gap: 26px;
  font-size: 14px;
  color: var(--muted);
  flex-wrap: wrap;
  justify-content: flex-end;
  row-gap: 10px;
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-2), transparent);
  transition: width 0.3s ease;
}

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

.nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-dropbtn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.nav-dropbtn::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-2), transparent);
  transition: width 0.3s ease;
}

.nav-dropbtn:hover::after,
.nav-dropdown:hover .nav-dropbtn::after,
.nav-dropdown.is-open .nav-dropbtn::after {
  width: 100%;
}

.nav-caret {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  opacity: 0.7;
  transform: translateY(1px);
  transition: transform 0.2s ease;
}

.nav-dropdown.is-open .nav-caret {
  transform: translateY(1px) rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 210px;
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  z-index: 20;
}

.nav-dropdown-menu a {
  padding: 8px 10px;
  border-radius: 12px;
  white-space: nowrap;
}

.nav-dropdown-menu a::after {
  content: none;
}

.nav-dropdown-menu a:hover {
  background: rgba(15, 59, 130, 0.06);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.is-open .nav-dropdown-menu {
  display: flex;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text);
}

.hero {
  padding: var(--space-4) 0 calc(var(--space-4) - 12px);
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: -30% -10% 0 -10%;
  background: radial-gradient(circle at 75% 20%, rgba(43, 123, 255, 0.18), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.visual-showcase {
  padding: 0 0 var(--space-4);
  position: relative;
  overflow: hidden;
}

.visual-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.visual-card {
  background: var(--panel);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.visual-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.55) 45%, transparent 80%);
  opacity: 0.35;
  pointer-events: none;
}

.visual-card::after {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 123, 255, 0.14), transparent 70%);
}

.visual-card h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

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

.visual-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  position: relative;
  background: rgba(15, 59, 130, 0.08);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.visual-icon::after {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(15, 59, 130, 0.7), rgba(24, 184, 166, 0.8));
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.6);
}

.icon-orbit {
  background: rgba(24, 184, 166, 0.12);
}

.icon-pulse {
  background: rgba(43, 123, 255, 0.12);
}

.icon-stack {
  background: rgba(240, 180, 41, 0.12);
}

.icon-shield {
  background: rgba(15, 59, 130, 0.12);
}

.divider-band {
  padding: var(--space-3) 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(15, 59, 130, 0.08), rgba(24, 184, 166, 0.1));
}

.divider-band.alt {
  background: linear-gradient(120deg, rgba(240, 180, 41, 0.1), rgba(43, 123, 255, 0.08));
}

.divider-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(transparent 60%, rgba(255, 255, 255, 0.5)),
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.5), transparent 60%);
  opacity: 0.6;
}

.divider-band::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 14px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
  opacity: 0.6;
}

.divider-content {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
  position: relative;
  z-index: 1;
}

.divider-copy p {
  color: var(--accent-2);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.divider-copy h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 10px;
}

.divider-copy span {
  color: var(--muted);
  max-width: 520px;
  display: inline-block;
}

.divider-visual {
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  display: grid;
  gap: 18px;
  background-image: linear-gradient(rgba(15, 59, 130, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 59, 130, 0.08) 1px, transparent 1px);
  background-size: 120px 120px;
  position: relative;
}

.divider-visual::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: calc(var(--radius-lg) - 8px);
  border: 1px dashed rgba(15, 59, 130, 0.2);
  pointer-events: none;
}

.viz-chart {
  height: 120px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(43, 123, 255, 0.18), rgba(24, 184, 166, 0.14));
  position: relative;
  overflow: hidden;
}

.viz-dot {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 6px 18px rgba(15, 59, 130, 0.25);
}

.viz-dot:nth-child(1) {
  top: 26px;
  left: 18px;
}

.viz-dot:nth-child(2) {
  top: 58px;
  left: 46%;
}

.viz-dot:nth-child(3) {
  top: 22px;
  right: 28px;
}

.viz-dot:nth-child(4) {
  bottom: 18px;
  right: 38%;
}

.viz-bars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  align-items: end;
  height: 90px;
}

.viz-bars span {
  display: block;
  border-radius: 12px 12px 6px 6px;
  background: linear-gradient(180deg, rgba(15, 59, 130, 0.75), rgba(24, 184, 166, 0.6));
  height: 40px;
}

.viz-bars span:nth-child(2) {
  height: 60px;
}

.viz-bars span:nth-child(3) {
  height: 80px;
}

.viz-bars span:nth-child(4) {
  height: 52px;
}

.viz-bars span:nth-child(5) {
  height: 68px;
}

.viz-lines {
  height: 64px;
  border-radius: 12px;
  border: 1px dashed rgba(15, 59, 130, 0.3);
  display: grid;
  align-items: center;
  padding: 0 12px;
  position: relative;
}

.viz-lines span {
  height: 2px;
  display: block;
  background: linear-gradient(90deg, rgba(15, 59, 130, 0.7), rgba(24, 184, 166, 0.8));
  border-radius: 999px;
  margin: 6px 0;
}

.viz-network {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.viz-network span {
  height: 20px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(43, 123, 255, 0.5), rgba(24, 184, 166, 0.5));
}

.viz-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.viz-grid span {
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(15, 59, 130, 0.2);
  background: rgba(255, 255, 255, 0.6);
}

.hero-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 560px;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.2;
  margin-bottom: 18px;
}

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  color: var(--accent-2);
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text);
  margin-bottom: 14px;
  max-width: 520px;
}

.hero-desc {
  color: var(--muted);
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn.primary {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 18px 40px rgba(15, 59, 130, 0.25);
}

.btn.ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: #fff;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary:hover {
  box-shadow: var(--shadow-strong);
}

.btn.ghost:hover {
  border-color: rgba(43, 123, 255, 0.35);
  box-shadow: 0 14px 30px rgba(15, 59, 130, 0.12);
}

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

.hero-tags span {
  padding: 6px 12px;
  background: rgba(15, 59, 130, 0.08);
  border-radius: 999px;
  font-size: 12px;
  color: var(--accent);
  border: 1px solid rgba(15, 59, 130, 0.15);
}

.hero-panel {
  display: grid;
  gap: 18px;
  position: relative;
  z-index: 1;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: -24px;
  border-radius: 32px;
  background: linear-gradient(120deg, rgba(15, 59, 130, 0.08), transparent 45%);
  opacity: 0.5;
  pointer-events: none;
}

.panel-card {
  background: var(--panel);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.panel-card,
.service-group,
.service-card,
.project-card,
.metric-card,
.feature-card,
.visual-card,
.qr-card,
.capability-card,
.advantage-card,
.tech-card,
.about-cards div,
.contact-card,
.divider-visual {
  background-color: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(15, 59, 130, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.panel-card:hover,
.service-group:hover,
.service-card:hover,
.project-card:hover,
.metric-card:hover,
.feature-card:hover,
.visual-card:hover,
.qr-card:hover,
.capability-card:hover,
.advantage-card:hover,
.tech-card:hover,
.about-cards div:hover,
.contact-card:hover,
.divider-visual:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(43, 123, 255, 0.2);
}

.panel-card.highlight {
  background: linear-gradient(135deg, rgba(15, 59, 130, 0.12), rgba(24, 184, 166, 0.14));
}

.panel-title {
  font-weight: 600;
  margin-bottom: 16px;
}

.panel-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.panel-grid h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.panel-grid p,
.panel-card li {
  color: var(--muted);
  font-size: 13px;
}

.panel-card ul {
  display: grid;
  gap: 12px;
}

.panel-card ul li,
.service-card ul li,
.project-values li,
.contact-highlight ul li {
  position: relative;
  padding-left: 14px;
}

.panel-card ul li::before,
.service-card ul li::before,
.project-values li::before,
.contact-highlight ul li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(15, 59, 130, 0.6);
  position: absolute;
  left: 0;
  top: 8px;
}

.hero-illustration {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-illustration .ring {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 1px dashed rgba(15, 59, 130, 0.2);
  top: 30px;
  right: 8%;
}

.hero-illustration .ring::after {
  content: "";
  position: absolute;
  inset: 22px;
  border-radius: 50%;
  border: 1px solid rgba(43, 123, 255, 0.2);
}

.hero-illustration .spark {
  position: absolute;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(24, 184, 166, 0.25), transparent 70%);
  bottom: 18%;
  left: 5%;
}

.hero-illustration .wave {
  position: absolute;
  width: 320px;
  height: 120px;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 20%, rgba(43, 123, 255, 0.18), transparent 60%);
  bottom: 10%;
  right: 5%;
}

@media (max-width: 900px) {
  .hero-illustration .ring {
    width: 220px;
    height: 220px;
    right: -20px;
    top: 40px;
  }

  .hero-illustration .wave {
    width: 240px;
    height: 96px;
    right: -10px;
  }
}

@media (max-width: 720px) {
  .hero-illustration {
    display: none;
  }

  .scanlines,
  .hud-frame {
    display: none;
  }
}

.feature-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: var(--space-3);
}

.feature-card {
  background: var(--panel);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  left: -20px;
  top: -20px;
  width: 90px;
  height: 90px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(240, 180, 41, 0.15), rgba(43, 123, 255, 0.1));
  transform: rotate(10deg);
}

.feature-card h4 {
  margin-bottom: 8px;
}

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

.qr-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.qr-card {
  background: var(--panel);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.qr-card img {
  width: min(160px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  object-fit: cover;
  background: #f5f7fb;
  margin-bottom: 10px;
  box-shadow: 0 10px 24px rgba(15, 59, 130, 0.12);
}

.qr-card figcaption {
  font-weight: 600;
  color: var(--brand-ink);
  font-size: 14px;
}

.qr-card.placeholder {
  border-style: dashed;
  background: linear-gradient(120deg, rgba(15, 59, 130, 0.04), rgba(24, 184, 166, 0.06));
}

.qr-placeholder {
  width: min(160px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  border: 1px dashed rgba(15, 59, 130, 0.28);
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.8);
  margin: 0 auto 10px;
  gap: 6px;
}

.qr-placeholder span {
  font-weight: 600;
  color: var(--brand-ink);
}

.qr-placeholder em {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
}

.qr-empty {
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  border: 1px dashed rgba(15, 59, 130, 0.2);
  color: var(--muted);
  text-align: center;
}

.highlight-split {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.highlight-panel {
  background: var(--panel);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
}

.highlight-panel h3 {
  margin-bottom: 10px;
}

.highlight-panel p {
  color: var(--muted);
}

.metrics {
  padding: var(--space-4) 0 var(--space-5);
  position: relative;
  overflow: hidden;
}

.metrics::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 123, 255, 0.18), transparent 70%);
  pointer-events: none;
}

.metrics > .container {
  position: relative;
  z-index: 1;
}

.metrics-grid {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric-card {
  background: var(--panel);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.5) 50%, transparent 80%);
  opacity: 0.3;
  pointer-events: none;
}

.metric-card::after {
  content: "";
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(24, 184, 166, 0.14), rgba(43, 123, 255, 0.1));
  transform: rotate(10deg);
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.metric-value span {
  font-size: 14px;
  margin-left: 4px;
  color: var(--muted);
}

.metric-name {
  font-weight: 600;
  margin-top: 6px;
}

.metric-desc {
  font-size: 12px;
  color: var(--muted);
}

.section {
  padding: clamp(72px, 9vw, 130px) 0;
  position: relative;
  overflow: hidden;
}

.section::before {
  content: "";
  position: absolute;
  top: -110px;
  right: -100px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 59, 130, 0.12), transparent 70%);
  pointer-events: none;
}

.section::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: -90px;
  width: 220px;
  height: 220px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(24, 184, 166, 0.12), rgba(240, 180, 41, 0.1));
  transform: rotate(-6deg);
  pointer-events: none;
}

.section > .container {
  position: relative;
  z-index: 1;
}

.icon-metric {
  background: rgba(43, 123, 255, 0.12);
}

.section.muted {
  background: rgba(248, 249, 252, 0.8);
}

.section-head {
  display: grid;
  gap: 18px;
  margin-bottom: var(--space-4);
  position: relative;
}

.section-head p {
  color: var(--accent-2);
  font-weight: 600;
  letter-spacing: 1px;
}

.section-head::after {
  content: "";
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-2), transparent);
}

.section-head::before {
  content: "";
  position: absolute;
  left: -6px;
  top: -6px;
  width: 16px;
  height: 16px;
  border-top: 2px solid rgba(15, 59, 130, 0.35);
  border-left: 2px solid rgba(15, 59, 130, 0.35);
  opacity: 0.7;
}

.label {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 8px;
}

.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: 0.4px;
}

.section-head span {
  color: var(--muted);
  max-width: 640px;
  line-height: 1.9;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-grid;
  place-items: center;
  background: rgba(15, 59, 130, 0.08);
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
}

.card-icon::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(15, 59, 130, 0.6), rgba(24, 184, 166, 0.7));
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.5);
}

.icon-service {
  background: rgba(24, 184, 166, 0.12);
}

.icon-project {
  background: rgba(43, 123, 255, 0.12);
}

.icon-feature {
  background: rgba(240, 180, 41, 0.12);
}

.icon-capability {
  background: rgba(15, 59, 130, 0.1);
}

.icon-advantage {
  background: rgba(24, 184, 166, 0.12);
}

.icon-tech {
  background: rgba(43, 123, 255, 0.12);
}

.icon-about {
  background: rgba(15, 59, 130, 0.08);
}

.icon-contact {
  background: rgba(240, 180, 41, 0.12);
}

.service-groups {
  display: grid;
  gap: var(--space-3);
}

.service-group {
  background: var(--panel);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  position: relative;
  overflow: hidden;
}

.service-group::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -30px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 123, 255, 0.15), transparent 70%);
}

.service-group h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.service-group p {
  color: var(--muted);
  margin-bottom: var(--space-2);
}

.service-cards {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.service-card {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #fbfcff;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, rgba(24, 184, 166, 0.6), rgba(43, 123, 255, 0.4), transparent);
}

.service-card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(24, 184, 166, 0.12), transparent 70%);
  pointer-events: none;
}

.service-card h4 {
  margin-bottom: 6px;
}

.service-card p {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 14px;
}

.service-card .chip-row {
  margin-top: 10px;
}

.service-card ul {
  display: grid;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.projects {
  background: linear-gradient(180deg, rgba(31, 111, 235, 0.05), rgba(245, 158, 11, 0.05));
}

.project-group {
  margin-bottom: var(--space-3);
}

.project-group-title {
  margin-bottom: 20px;
}

.project-group-title h3 {
  font-size: 22px;
}

.project-group-title p {
  color: var(--muted);
}

.project-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.project-card {
  background: var(--panel);
  padding: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  display: grid;
  gap: 0;
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: "";
  position: absolute;
  left: -40px;
  bottom: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 59, 130, 0.12), transparent 70%);
  pointer-events: none;
}

.project-card > .card-icon {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: var(--glow);
}

.project-cover {
  position: relative;
  height: 120px;
  background: linear-gradient(135deg, rgba(15, 59, 130, 0.35), rgba(24, 184, 166, 0.28));
  overflow: hidden;
}

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

.project-cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15, 59, 130, 0.28), rgba(0, 0, 0, 0) 55%, rgba(24, 184, 166, 0.22));
}

.project-cover-badges {
  position: absolute;
  left: 16px;
  bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(15, 59, 130, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.project-body {
  padding: var(--space-2);
  display: grid;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.project-details {
  padding: 0 var(--space-2) var(--space-2);
  position: relative;
  z-index: 1;
}

.project-details summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15, 59, 130, 0.14);
  background: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  color: var(--brand-ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

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

.project-details summary::after {
  content: "＋";
  font-weight: 700;
  color: rgba(15, 59, 130, 0.6);
}

.project-details[open] summary::after {
  content: "－";
}

.project-details .project-highlights {
  margin-top: 14px;
}

.project-card > .chip-row {
  padding: 0 var(--space-2) var(--space-2);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.project-status {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(24, 184, 166, 0.14);
  color: var(--accent-3);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(24, 184, 166, 0.28);
}

.project-subtitle {
  color: var(--muted);
  font-size: 13px;
}

.project-summary {
  font-size: 14px;
  color: var(--text);
  max-width: 520px;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-meta span {
  background: rgba(15, 59, 130, 0.08);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--accent);
  border: 1px solid rgba(15, 59, 130, 0.15);
}

.project-values {
  display: grid;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.project-highlights {
  display: grid;
  gap: 12px;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.project-highlights div {
  padding: 12px 12px 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(15, 59, 130, 0.12);
  background: rgba(255, 255, 255, 0.55);
  border-left: 3px solid rgba(24, 184, 166, 0.45);
}

@media (min-width: 980px) {
  .project-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.project-highlights strong {
  display: block;
  font-size: 13px;
}

.project-highlights span {
  font-size: 12px;
  color: var(--muted);
}

.capability-grid,
.advantage-grid,
.tech-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.capability-card,
.advantage-card,
.tech-card {
  background: var(--panel);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  position: relative;
  overflow: hidden;
}

.capability-card::after,
.advantage-card::after,
.tech-card::after {
  content: "";
  position: absolute;
  top: -30px;
  right: -30px;
  width: 90px;
  height: 90px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(43, 123, 255, 0.15), rgba(24, 184, 166, 0.12));
  transform: rotate(12deg);
}

.capability-card h4,
.advantage-card h4,
.tech-card h4 {
  margin-bottom: 8px;
}

.capability-card p,
.advantage-card p,
.tech-card p {
  color: var(--muted);
  font-size: 13px;
}

.about {
  background: transparent;
}

.about-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.about-text h2 {
  font-family: var(--font-head);
  margin-bottom: 12px;
}

.about-text p {
  color: var(--muted);
}

.about-cards {
  display: grid;
  gap: 16px;
}

.about-cards div {
  background: var(--panel);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.about-cards div::after {
  content: "";
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 180, 41, 0.15), transparent 70%);
}

.contact {
  background: linear-gradient(120deg, rgba(15, 59, 130, 0.08), rgba(24, 184, 166, 0.12));
}

.contact-grid {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.contact-card {
  background: var(--panel);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.contact-card::after {
  content: "";
  position: absolute;
  top: -40px;
  left: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 123, 255, 0.14), transparent 70%);
}

.contact-card h2 {
  font-family: var(--font-head);
  margin-bottom: 12px;
}

.contact-info {
  display: grid;
  gap: 14px;
  margin: 20px 0;
}

.contact-info span {
  font-size: 12px;
  color: var(--muted);
}

.contact-highlight {
  display: grid;
  gap: 16px;
}

.contact-highlight .panel-card {
  position: relative;
  overflow: hidden;
}

.contact-highlight .panel-card::after {
  content: "";
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 150px;
  height: 150px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(24, 184, 166, 0.14), rgba(15, 59, 130, 0.1));
  transform: rotate(-8deg);
}

.site-footer {
  padding: var(--space-3) 0 var(--space-2);
  border-top: 1px solid var(--line);
  background: #f7f8fb;
}

.footer-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  font-size: 13px;
  color: var(--muted);
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer-brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.footer-grid span {
  font-weight: 600;
  color: var(--text);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  font-size: 12px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.footer-icp {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}

.footer-icp a {
  color: var(--accent-2);
  font-weight: 600;
}

.footer-icp em,
.footer-icp i,
.footer-icp strong,
.footer-icp b,
.footer-icp small {
  font-style: normal;
  font-weight: 400;
}

.footer-icp small {
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(15, 59, 130, 0.15);
}

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .nav-links {
    position: fixed;
    top: 70px;
    right: 20px;
    flex-direction: column;
    background: #ffffff;
    padding: 18px 22px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    width: min(320px, calc(100% - 40px));
  }

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

  .nav-dropdown {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .nav-dropbtn {
    width: 100%;
    justify-content: space-between;
  }

  .nav-dropdown-menu {
    position: static;
    width: 100%;
    min-width: 0;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .nav-dropdown-menu a {
    padding: 6px 0 6px 12px;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 840px) {
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-cover {
    height: 110px;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 68px;
  }

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

  .metrics {
    padding-top: 28px;
  }

  .section {
    padding: 72px 0;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }

  .site-header .brand-name {
    font-size: 18px;
    letter-spacing: 0.2px;
  }

  .hero-content h1 {
    font-size: 30px;
  }

  .nav-links {
    width: calc(100% - 40px);
  }

  .metric-card,
  .service-group,
  .project-card,
  .capability-card,
  .advantage-card,
  .tech-card,
  .about-cards div,
  .contact-card,
  .panel-card {
    padding: 20px;
  }
}

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