:root {
  --nav-bg: rgba(13, 11, 24, 0.88);
  --footer-bg: #07050E;
  --body-bg: #0D0B18;
  --card-bg: #161229;
  --text-main: #FFFFFF;
  --text-muted: #A1A1AA;
  --border-color: rgba(139, 92, 246, 0.25);
  --accent-color: #8B5CF6;
  --accent-glow: rgba(139, 92, 246, 0.4);
  --gradient-text: linear-gradient(135deg, #C4B5FD 0%, #8B5CF6 50%, #06B6D4 100%);
  --brand-icon-bg: linear-gradient(135deg, #8B5CF6, #06B6D4);
  --badge-bg: rgba(139, 92, 246, 0.15);
  --badge-color: #C4B5FD;
  --nav-active-color: #A78BFA;
  --nav-hover-bg: rgba(139, 92, 246, 0.12);
  --btn-cta-bg: linear-gradient(135deg, #8B5CF6 0%, #6D28D9 100%);
  --btn-cta-text: #FFFFFF;
  --btn-cta-border: #A78BFA;
  --btn-primary-bg: linear-gradient(135deg, #8B5CF6 0%, #06B6D4 100%);
  --btn-primary-text: #FFFFFF;
  --btn-primary-border: #C4B5FD;
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --icon-box-bg: rgba(139, 92, 246, 0.15);
}

body {
  background-color: var(--body-bg);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.12) 0%, transparent 50%);
  color: var(--text-main);
}


/* === UNIVERSAL CORE STYLES === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* NAVBAR FLEX RULES (Fix overflow issues) */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  background: var(--nav-bg);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
  max-width: 1240px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--brand-icon-bg);
  box-shadow: 0 0 15px var(--accent-glow);
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-color);
  border: 1px solid var(--accent-color);
  margin-left: 0.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  list-style: none;
  flex-wrap: wrap !important;
  overflow: visible !important;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover, .nav-link.active {
  color: var(--nav-active-color);
  background: var(--nav-hover-bg);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.25rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  background: var(--btn-cta-bg);
  color: var(--btn-cta-text);
  box-shadow: 0 4px 15px var(--accent-glow);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  border: 1px solid var(--btn-cta-border);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

/* HERO SECTION */
.hero-section {
  padding: 5rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.hero-highlight {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn-primary {
  padding: 0.85rem 2rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 10px;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: 0 10px 25px var(--accent-glow);
  border: 1px solid var(--btn-primary-border);
  transition: all 0.25s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px var(--accent-glow);
}

.btn-secondary {
  padding: 0.85rem 1.8rem;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 10px;
  background: var(--card-bg);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: var(--nav-hover-bg);
  transform: translateY(-2px);
}

/* DATA METRICS STRIP */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin: 3rem 0;
}

.metric-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: transform 0.25s, border-color 0.25s;
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
}

.metric-value {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent-color);
  line-height: 1.1;
  margin-bottom: 0.35rem;
  font-family: "SF Mono", Consolas, monospace;
}

.metric-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* SECTION HEADERS */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent-color);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* GRID LAYOUTS */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 2rem;
}

/* FEATURE CARDS */
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--card-shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
  box-shadow: 0 12px 30px var(--accent-glow);
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--icon-box-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-color);
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.65rem;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* PRICING CARDS */
.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--card-shadow);
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border-color: var(--accent-color);
  box-shadow: 0 8px 30px var(--accent-glow);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: var(--accent-color);
  color: var(--btn-cta-text);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
}

.pricing-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.pricing-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent-color);
  font-family: "SF Mono", monospace;
  margin-bottom: 1.5rem;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.92rem;
  color: var(--text-main);
  padding: 0.45rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: "✔";
  color: var(--accent-color);
  font-weight: bold;
}

/* TABLE STYLING */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  margin: 1.5rem 0;
}

.table-custom {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.table-custom th {
  background: var(--nav-hover-bg);
  padding: 0.85rem 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
}

.table-custom td {
  padding: 0.85rem 1.25rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.table-custom tr:last-child td {
  border-bottom: none;
}

.table-custom tr:hover td {
  background: var(--nav-hover-bg);
}

/* CLOSED-LOOP ECOSYSTEM MATRIX WIDGET */
.matrix-ecosystem-box {
  margin: 4.5rem 0 2rem;
  background: var(--card-bg);
  border: 2px solid var(--accent-color);
  border-radius: 20px;
  padding: 2.25rem;
  box-shadow: 0 10px 35px var(--accent-glow);
}

.matrix-box-header {
  margin-bottom: 1.75rem;
}

.matrix-box-tag {
  display: inline-block;
  background: var(--accent-color);
  color: var(--btn-cta-text);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.matrix-box-title h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.matrix-box-title p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.matrix-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
}

.matrix-card {
  background: var(--nav-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  transition: all 0.25s;
}

.matrix-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
}

.matrix-card.cur-site {
  border-color: var(--accent-color);
  background: var(--nav-hover-bg);
}

.matrix-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.matrix-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-color);
  background: var(--icon-box-bg);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.matrix-status {
  font-size: 0.7rem;
  color: #10B981;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.matrix-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.matrix-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  flex-grow: 1;
}

.matrix-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-color);
}

/* FOOTER */
.site-footer {
  margin-top: auto;
  background: var(--footer-bg);
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a:hover {
  color: var(--accent-color);
}

.footer-matrix-bar {
  border-top: 1px solid var(--border-color);
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.85rem;
}

.footer-matrix-cur {
  font-weight: 700;
  color: var(--accent-color);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 992px) {
  .hero-title { font-size: 2.4rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hero-title { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .matrix-cards-grid { grid-template-columns: 1fr; }
}