/* 矩阵 Juzhen 产品官网 — 与 product_dazi 同构，独立主题 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #22d3ee;
  --primary-dark: #06b6d4;
  --secondary: #8b5cf6;
  --accent: #f472b6;
  --success: #34d399;
  --dark: #0f172a;
  --gray-900: #1e293b;
  --gray-800: #334155;
  --gray-700: #64748b;
  --gray-600: #94a3b8;
  --gray-400: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --white: #fff;
  --shadow: 0 8px 32px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.18);
  --radius: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--dark);
  line-height: 1.6;
  background: linear-gradient(160deg, #0f172a 0%, #1e1b4b 45%, #312e81 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body.page-inner {
  background: linear-gradient(135deg, #1e293b 0%, #312e81 100%);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(34, 211, 238, 0.25);
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.96);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  text-decoration: none;
}

.nav-logo {
  width: 44px;
  height: 44px;
  background: url("../images/logo.svg") no-repeat center;
  background-size: contain;
  border-radius: 10px;
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 24px;
  align-items: center;
}

.nav-menu a {
  color: var(--gray-200);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary);
}

.btn-primary-nav {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--dark);
  padding: 12px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.35);
  white-space: nowrap;
}

.btn-primary-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(139, 92, 246, 0.4);
}

.hero {
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%2322d3ee' fill-opacity='0.06'%3E%3Cpath d='M0 0h1v1H0z'/%3E%3C/g%3E%3C/svg%3E");
  z-index: 0;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34, 211, 238, 0.15);
  color: var(--primary);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid rgba(34, 211, 238, 0.35);
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero-title .gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--gray-400);
  margin-bottom: 20px;
}

.hero-description {
  font-size: 1rem;
  color: var(--gray-600);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--dark);
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.35);
}

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(148, 163, 184, 0.45);
  padding: 12px 24px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 420px;
}

.stat-item {
  text-align: left;
}

.stat-item .stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--white);
}

.stat-item .stat-label {
  font-size: 0.8rem;
  color: var(--gray-600);
}

.hero-visual {
  position: relative;
}

.dashboard-mockup {
  background: var(--gray-900);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(34, 211, 238, 0.25);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 400px;
  margin-left: auto;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  color: var(--gray-200);
  font-size: 0.85rem;
  font-weight: 600;
}

.dashboard-dots {
  display: flex;
  gap: 6px;
}

.dashboard-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-700);
}

.dashboard-dots span:nth-child(1) {
  background: #f87171;
}

.dashboard-dots span:nth-child(2) {
  background: #fbbf24;
}

.dashboard-dots span:nth-child(3) {
  background: #34d399;
}

.dashboard-body {
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.dash-card {
  background: rgba(30, 41, 59, 0.85);
  border-radius: 12px;
  padding: 14px;
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.dash-card h4 {
  color: var(--gray-400);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.dash-card .big {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
}

.dash-card .sub {
  font-size: 0.75rem;
  color: var(--success);
  margin-top: 4px;
}

.dash-row {
  grid-column: 1 / -1;
  height: 72px;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.15), rgba(139, 92, 246, 0.15));
  border-radius: 10px;
  display: flex;
  align-items: flex-end;
  padding: 10px 12px;
  gap: 6px;
}

.dash-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 4px 4px 0 0;
  opacity: 0.9;
}

.dash-bar:nth-child(1) {
  height: 35%;
}

.dash-bar:nth-child(2) {
  height: 55%;
}

.dash-bar:nth-child(3) {
  height: 45%;
}

.dash-bar:nth-child(4) {
  height: 70%;
}

.dash-bar:nth-child(5) {
  height: 40%;
}

.features {
  padding: 88px 0;
  background: var(--gray-100);
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.features-header {
  text-align: center;
  margin-bottom: 56px;
}

.features-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.features-subtitle {
  color: var(--gray-700);
  max-width: 560px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--white);
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(34, 211, 238, 0.5);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(139, 92, 246, 0.2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.feature-description {
  color: var(--gray-700);
  font-size: 0.95rem;
}

.stats {
  padding: 72px 0;
  background: var(--white);
}

.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 28px 20px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(139, 92, 246, 0.08));
  border-radius: var(--radius);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

.stat-card .stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}

.stat-card .stat-label {
  font-size: 0.95rem;
  color: var(--gray-700);
  font-weight: 600;
}

.cta {
  padding: 88px 0;
  background: linear-gradient(135deg, #0e7490, #5b21b6);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1.5' fill='%23fff'/%3E%3C/svg%3E");
}

.cta-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-description {
  font-size: 1.1rem;
  opacity: 0.92;
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.cta .btn-primary {
  background: var(--white);
  color: var(--dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cta .btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}

.footer {
  padding: 48px 0 24px;
  background: var(--dark);
  color: var(--gray-400);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: 14px;
  font-size: 1.05rem;
}

.footer-section p {
  margin-bottom: 10px;
  font-size: 0.9rem;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--gray-800);
  font-size: 0.8rem;
  color: var(--gray-700);
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate-on-scroll.animate {
  opacity: 1;
  transform: translateY(0);
}

/* 内页通用 */
.page-hero {
  padding: 110px 0 48px;
  text-align: center;
}

.page-hero h1 {
  color: var(--white);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--gray-400);
  max-width: 640px;
  margin: 0 auto;
}

.content-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.content-card {
  background: rgba(30, 41, 59, 0.65);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 24px;
  color: var(--gray-200);
}

.content-card h2 {
  color: var(--white);
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.content-card ul {
  margin-left: 1.25rem;
  color: var(--gray-400);
}

.content-card li {
  margin-bottom: 8px;
}

.content-card .btn-outline {
  border-color: rgba(34, 211, 238, 0.5);
  color: var(--primary);
}

.content-card .btn-outline:hover {
  background: rgba(34, 211, 238, 0.12);
  color: var(--white);
  border-color: var(--primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.price-card {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: var(--radius-lg);
  padding: 28px;
  color: var(--gray-200);
}

.price-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.3);
}

.price-card h3 {
  color: var(--white);
  margin-bottom: 8px;
}

.price-card .price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin: 12px 0;
}

.price-card .price-unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-400);
}

.price-card .price-note {
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.5;
  margin-top: -4px;
  margin-bottom: 14px;
}

.price-card ul {
  list-style: disc;
  margin: 0 0 0 1.1rem;
  padding: 0;
  font-size: 0.9rem;
  color: var(--gray-400);
}

.price-card li {
  margin-bottom: 6px;
}

.purchase-contact {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 20px;
  margin-top: 6px;
  align-items: baseline;
  max-width: 520px;
}

.purchase-contact dt {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--gray-600);
  margin: 0;
}

.purchase-contact dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.purchase-contact a {
  color: var(--primary);
  text-decoration: none;
}

.purchase-contact a:hover {
  text-decoration: underline;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
}

.modal-overlay.is-open {
  display: flex;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 440px;
  width: 100%;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 22px;
  border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
  font-size: 1.15rem;
  color: var(--dark);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-700);
  line-height: 1;
}

.modal-body {
  padding: 22px;
  text-align: center;
  color: var(--gray-700);
}

.modal-body .qr-placeholder {
  width: 180px;
  height: 180px;
  margin: 0 auto 16px;
  background: var(--gray-100);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--gray-600);
  border: 2px dashed var(--gray-400);
}

@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-stats {
    margin: 0 auto;
  }

  .stat-item {
    text-align: center;
  }

  .dashboard-mockup {
    margin: 0 auto;
  }

  .nav-menu {
    display: none;
  }
}