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

:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #252836;
  --accent: #f59e0b;
  --accent2: #10b981;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --border: #2d3148;
  --red: #ef4444;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

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

/* ── Header ── */
header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.logo span { color: var(--text); }
nav { display: flex; gap: 24px; }
nav a { color: var(--text2); font-size: 0.9rem; font-weight: 500; transition: color 0.15s; }
nav a:hover { color: var(--text); }

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, #1a1d27 0%, #0f1117 100%);
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.15;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero p { color: var(--text2); font-size: 1.1rem; max-width: 560px; margin: 0 auto 32px; }
.hero-cats {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.cat-pill {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.85rem;
  color: var(--text2);
  transition: all 0.15s;
  cursor: pointer;
}
.cat-pill:hover { border-color: var(--accent); color: var(--accent); }

/* ── Main layout ── */
.main { max-width: 1100px; margin: 0 auto; padding: 48px 24px; }
.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Review cards grid ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}
.card-body { padding: 18px; }
.card-cat {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent);
  margin-bottom: 6px;
}
.card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.card p { font-size: 0.85rem; color: var(--text2); margin-bottom: 14px; }
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.stars { color: var(--accent); font-size: 0.85rem; }
.read-more {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Top 10 post page ── */
.post-header {
  max-width: 860px;
  margin: 48px auto 0;
  padding: 0 24px;
}
.post-header .cat-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 12px;
}
.post-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 16px;
}
.post-header .post-meta {
  color: var(--text2);
  font-size: 0.85rem;
  margin-bottom: 24px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.post-intro {
  font-size: 1.05rem;
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 40px;
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

.post-body { max-width: 860px; margin: 0 auto; padding: 0 24px 80px; }

/* ── Comparison table ── */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 48px;
  font-size: 0.875rem;
}
.compare-table th {
  background: var(--bg3);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
}
.compare-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.compare-table tr:hover td { background: var(--bg3); }
.rank-num {
  font-weight: 800;
  color: var(--accent);
  font-size: 1rem;
}

/* ── Product item ── */
.product-item {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
}
.product-rank {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  padding-top: 4px;
}
.product-rank.top { color: #fbbf24; }
.product-img { width: 100%; height: 220px; object-fit: contain; background: #fff; border-radius: 8px; margin-bottom: 14px; padding: 8px; }
.product-specs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.product-specs span { background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; font-size: 0.78rem; color: var(--text2); }
.product-name { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; }
.product-sub { font-size: 0.85rem; color: var(--text2); margin-bottom: 12px; }
.product-rating { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.product-rating .stars { font-size: 1rem; }
.product-rating .score { font-weight: 700; }
.product-rating .count { font-size: 0.8rem; color: var(--text2); }
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.pros, .cons { background: var(--bg3); border-radius: 8px; padding: 12px 14px; }
.pros h4 { color: var(--accent2); font-size: 0.8rem; font-weight: 700; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.cons h4 { color: var(--red); font-size: 0.8rem; font-weight: 700; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.pros ul, .cons ul { list-style: none; }
.pros li::before { content: '✓ '; color: var(--accent2); font-weight: 700; }
.cons li::before { content: '✗ '; color: var(--red); font-weight: 700; }
.pros li, .cons li { font-size: 0.83rem; color: var(--text2); margin-bottom: 3px; }
.buy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 22px;
  border-radius: 8px;
  transition: opacity 0.15s;
}
.buy-btn:hover { opacity: 0.88; }
.price-tag { font-size: 0.8rem; color: var(--text2); margin-left: 8px; }

/* ── Buying Guide / FAQ ── */
.guide-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 40px;
}
.guide-section h2 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.guide-section .guide-subtitle {
  color: var(--text2);
  font-size: 0.88rem;
  margin-bottom: 24px;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.guide-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}
.guide-card .gc-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent);
  margin-bottom: 6px;
}
.guide-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.guide-card p {
  font-size: 0.8rem;
  color: var(--text2);
  line-height: 1.55;
}
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.faq-item:last-child { border-bottom: none; padding-bottom: 0; }
.faq-item h3 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.faq-item p {
  font-size: 0.83rem;
  color: var(--text2);
  line-height: 1.65;
}

/* ── Footer ── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  color: var(--text2);
  font-size: 0.85rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand .logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  display: block;
}
.footer-brand .logo span { color: var(--text); }
.footer-brand p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text2);
  max-width: 280px;
  margin-bottom: 20px;
}
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 0.75rem;
  color: var(--text2);
}
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: var(--text2);
  font-size: 0.82rem;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 1100px;
  margin: 0 auto;
}
.footer-bottom .copyright {
  font-size: 0.78rem;
  color: #64748b;
}
.disclaimer {
  font-size: 0.75rem;
  color: #64748b;
  max-width: 620px;
  text-align: right;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 40px 24px 32px;
  }
  .footer-brand { grid-column: 1 / -1; }
  .disclaimer { text-align: left; }
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .product-item { grid-template-columns: 1fr; }
  .product-rank { font-size: 1.3rem; }
  .pros-cons { grid-template-columns: 1fr; }
  nav { display: none; }
}