:root {
  --bg: #f9fafb;
  --bg-alt: #ffffff;
  --text-main: #111827;
  --text-muted: #6b7280;
  --accent: #111827;
  --border-subtle: #e5e7eb;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 999px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.08);
  --transition-fast: 180ms ease-out;
  --transition-med: 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "PingFang SC", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #f1f5f9 0, #f9fafb 42%, #ffffff 100%);
  color: var(--text-main);
}

body {
  -webkit-font-smoothing: antialiased;
}

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 18px 40px;
}

.nv-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 16px;
  z-index: 20;
}

.nv-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.nv-logo.small .nv-logo-mark {
  width: 22px;
  height: 22px;
}

.nv-logo-mark {
  width: 26px;
  height: 26px;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  background: conic-gradient(from 180deg at 50% 40%, #0f172a, #9ca3af, #111827);
  position: relative;
  overflow: hidden;
}

.nv-logo-mark::after {
  content: "";
  position: absolute;
  inset: 6px 7px;
  border-radius: 8px;
  background: radial-gradient(circle at 20% 0, rgba(248, 250, 252, 0.96), transparent 60%);
  opacity: 0.9;
}

.nv-logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nv-logo-title {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 14px;
}

.nv-logo-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.nv-nav {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nv-nav a {
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 999px;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast);
}

.nv-nav a:hover {
  background: #f3f4f6;
  color: var(--text-main);
  transform: translateY(-1px);
}

.nv-nav a.active {
  background: #0f172a;
  color: #f9fafb;
  border-color: #020617;
}

.nv-main {
  flex: 1;
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.nv-hero {
  padding: 26px 22px 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #ffffff, #f3f4f6);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 18px 60px rgba(15, 23, 42, 0.08);
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.nv-hero h1 {
  margin: 0 0 8px;
  font-size: 26px;
  letter-spacing: 0.04em;
}

.nv-hero p {
  margin: 0;
  color: var(--text-muted);
  max-width: 560px;
  font-size: 14px;
}

.nv-filters {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.nv-filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.nv-filter-group label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.nv-filter-group select,
.nv-filter-group input {
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast), transform var(--transition-fast);
}

.nv-filter-group select:focus,
.nv-filter-group input:focus {
  border-color: #0f172a;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.1);
  transform: translateY(-1px);
}

.nv-search-group {
  flex: 1;
}

.nv-list-section {
  padding: 18px 0 8px;
  border-radius: var(--radius-lg);
}

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

.nv-card {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: 18px;
  padding: 18px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.06);
  overflow: hidden;
  transition: transform var(--transition-med), box-shadow var(--transition-med),
    border-color var(--transition-med), background-color var(--transition-med);
}

.nv-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 55px rgba(15, 23, 42, 0.13);
  border-color: #d1d5db;
}

.nv-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.nv-tag {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid #e5e7eb;
  color: var(--text-muted);
  white-space: nowrap;
}

.nv-date {
  font-size: 11px;
  color: var(--text-muted);
}

.nv-card-title {
  margin: 0 0 6px;
  font-size: 17px;
}

.nv-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.nv-card-desc {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-muted);
}

.nv-card-cta {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

.nv-link {
  font-size: 12px;
  text-decoration: none;
  color: #0f172a;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #111827;
  background: #111827;
  color: #f9fafb;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast);
}

.nv-link.secondary {
  background: transparent;
  color: var(--text-main);
  border-color: #d1d5db;
}

.nv-link:hover {
  transform: translateY(-1px);
  background: #020617;
  border-color: #020617;
}

.nv-link.secondary:hover {
  background: #f3f4f6;
}

.nv-card-thumb {
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
  background: #e5e7eb;
}

.nv-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform var(--transition-med), filter var(--transition-med), opacity var(--transition-med);
}

.nv-card:hover .nv-card-thumb img {
  transform: scale(1.06);
}

.nv-card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 0, rgba(15, 23, 42, 0.08), transparent 55%);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.nv-fade-in {
  animation: nvFadeInUp 420ms var(--transition-med);
}

@keyframes nvFadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nv-pagination {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.nv-pagination button {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  font-size: 12px;
  cursor: pointer;
  color: var(--text-main);
  transition: background-color var(--transition-fast), border-color var(--transition-fast),
    transform var(--transition-fast), color var(--transition-fast);
}

.nv-pagination button:hover:not(:disabled) {
  background: #f3f4f6;
  border-color: #d1d5db;
  transform: translateY(-1px);
}

.nv-pagination button:disabled {
  opacity: 0.45;
  cursor: default;
}

.nv-footer {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid #e5e7eb;
  font-size: 12px;
  color: var(--text-muted);
}

.nv-footer-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.nv-footer-text {
  margin: 6px 0 0;
}

.nv-footer-social {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}

.nv-social-icons {
  display: flex;
  gap: 8px;
}

.nv-social-icon {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e5e7eb;
  color: var(--text-main);
  text-decoration: none;
  font-size: 11px;
  transition: background-color var(--transition-fast), transform var(--transition-fast),
    border-color var(--transition-fast), color var(--transition-fast);
}

.nv-social-icon:hover {
  background: #111827;
  color: #f9fafb;
  border-color: #020617;
  transform: translateY(-1px);
}

.nv-footer-meta {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
}

.nv-layout-narrow {
  max-width: 760px;
  margin: 0 auto;
}

.nv-page-title {
  margin: 0 0 8px;
  font-size: 22px;
  letter-spacing: 0.06em;
}

.nv-page-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
}

.nv-section {
  padding: 20px 0 10px;
}

.nv-rich {
  font-size: 14px;
  line-height: 1.7;
  color: #111827;
}

.nv-rich p {
  margin: 0 0 12px;
}

.nv-rich h2 {
  margin: 24px 0 10px;
  font-size: 18px;
}

.nv-rich ul {
  padding-left: 18px;
  margin: 0 0 12px;
  color: var(--text-muted);
}

.nv-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.nv-pill {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(249, 250, 251, 0.9);
}

.nv-hero-image {
  margin-top: 18px;
  border-radius: 20px;
  overflow: hidden;
  background: #e5e7eb;
  aspect-ratio: 16 / 9;
  position: relative;
}

.nv-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform var(--transition-med), filter var(--transition-med);
}

.nv-hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, rgba(15, 23, 42, 0.12), transparent 55%);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.nv-hero-image:hover img {
  transform: scale(1.05);
}

.nv-grid-products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.nv-product-card {
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.95);
  padding: 14px 14px 16px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nv-product-thumb {
  border-radius: 16px;
  overflow: hidden;
  background: #e5e7eb;
  aspect-ratio: 4 / 3;
}

.nv-product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nv-product-name {
  font-size: 14px;
  margin: 0;
}

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

.nv-product-link {
  margin-top: auto;
}

.nv-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.nv-form-row {
  display: flex;
  gap: 12px;
}

.nv-form-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nv-form-field label {
  font-size: 12px;
  color: var(--text-muted);
}

.nv-form-field input,
.nv-form-field textarea {
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  font-size: 13px;
  outline: none;
  resize: vertical;
  min-height: 40px;
  background: rgba(255, 255, 255, 0.9);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.nv-form-field textarea {
  min-height: 96px;
}

.nv-form-field input:focus,
.nv-form-field textarea:focus {
  border-color: #0f172a;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.1);
  transform: translateY(-1px);
}

.nv-btn-primary {
  align-self: flex-start;
  margin-top: 4px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid #111827;
  background: #111827;
  color: #f9fafb;
  font-size: 13px;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast),
    box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.nv-btn-primary:hover {
  background: #020617;
  border-color: #020617;
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.45);
}

.nv-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}

.nv-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.nv-chip {
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .page-wrap {
    padding: 22px 14px 30px;
  }

  .nv-header {
    padding-inline: 14px;
  }

  .nv-card {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  }

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

@media (max-width: 720px) {
  .nv-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .nv-nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nv-main {
    margin-top: 20px;
    gap: 20px;
  }

  .nv-hero {
    padding: 20px 18px 18px;
  }

  .nv-hero h1 {
    font-size: 22px;
  }

  .nv-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .nv-card {
    grid-template-columns: 1fr;
  }

  .nv-card-thumb {
    order: -1;
  }

  .nv-footer-main {
    flex-direction: column;
    align-items: flex-start;
  }

  .nv-footer-social {
    align-items: flex-start;
  }

  .nv-grid-products {
    grid-template-columns: minmax(0, 1fr);
  }
}