@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Montserrat';
  src: url('../fonts/Montserrat.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
:root {
  --primary: #1a5fb4;
  --primary-light: #3584e4;
  --secondary: #f08c00;
  --secondary-dark: #e07b00;
  --text: #333;
  --text-light: #555;
  --bg: #fff;
  --bg-alt: #f8f9fa;
  --border: #e0e0e0;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --transition: 0.3s ease;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}
a {
  text-decoration: none;
  color: inherit;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition:
    background var(--transition),
    transform var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-secondary {
  background: var(--secondary);
  color: #fff;
}
.btn-secondary:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
}
header.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 5%;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary);
}
.logo img {
  width: 46px;
  height: 46px;
  border-radius: 0;
  object-fit: contain;
}
.header-notice {
  font-size: 0.8rem;
  color: #666;
  background: #f0f4ff;
  padding: 5px 14px;
  border-radius: 20px;
  white-space: nowrap;
}
main {
  flex: 1;
}
section {
  padding: 48px 5%;
  max-width: 1200px;
  margin: 0 auto;
}
.hero {
  display: flex;
  align-items: center;
  gap: 40px;
  padding-top: 64px;
  padding-bottom: 64px;
}
.hero-content {
  flex: 1;
}
.hero-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--primary);
}
.hero-content p {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 30px;
  max-width: 500px;
}
.hero-image {
  flex: 1;
  max-width: 600px;
}
.hero-image img {
  object-fit: cover;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.author-bio {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-alt);
  padding: 30px;
  border-radius: var(--radius);
  margin-top: -20px;
}
.author-avatar img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}
.author-info .author-name {
  font-weight: 700;
  font-size: 1.1rem;
}
.author-info .author-role {
  display: block;
  color: var(--secondary);
  font-size: 0.9rem;
  margin-bottom: 6px;
}
.author-info p {
  font-size: 0.95rem;
  color: var(--text-light);
}
.criteria h2,
.top-picks .section-intro h2,
.testimonials h2,
.buyers-guide h2,
.qa-form-combo h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--primary);
}
.criteria-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.criteria-card {
  text-align: center;
  padding: 30px 15px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.criteria-card:hover {
  transform: translateY(-5px);
}
.criteria-icon {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 15px;
}
.criteria-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.criteria-card p {
  font-size: 0.95rem;
  color: var(--text-light);
}
.top-picks {
  background: var(--bg-alt);
}
.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 40px;
  position: relative;
  box-shadow: var(--shadow);
  overflow: visible;
}
.rank-badge {
  position: absolute;
  top: 30px;
  left: 0;
  background: var(--primary);
  color: #fff;
  padding: 8px 24px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 2;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}
.review-layout {
  display: flex;
  gap: 30px;
  align-items: flex-start;
  flex-wrap: wrap;
  position: relative;
}
.review-image {
  flex: 0 0 300px;
  position: relative;
}
.review-image img {
  object-fit: cover;
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
}
.review-info {
  flex: 1;
}
.review-info h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 5px;
  margin-top: 20px;
}
.rating {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 5px;
}
.rating .grade {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 4px 12px;
  border-radius: 5px;
  margin-right: 10px;
}
.price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 15px;
}
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.pros h4,
.cons h4 {
  font-family: var(--font-heading);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.pros h4 i {
  color: #1b9728;
}
.cons h4 i {
  color: #e91008;
}
.pros ul,
.cons ul {
  list-style: none;
  padding: 0;
}
.pros li,
.cons li {
  padding: 4px 0;
  font-size: 0.95rem;
}
.review-summary {
  line-height: 1.7;
  margin-bottom: 20px;
  color: var(--text-light);
}
.testimonials {
  background: var(--bg-alt);
}
.testimonial-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial {
  background: #fff;
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.testimonial .stars {
  color: var(--secondary);
  margin-bottom: 10px;
}
.testimonial p {
  font-style: italic;
  margin-bottom: 12px;
  font-size: 0.95rem;
}
.testimonial-author {
  font-weight: 600;
  color: var(--primary);
}
.buyers-guide .guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.guide-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 25px;
  box-shadow: var(--shadow);
  border-left: 6px solid var(--primary);
}
.guide-item h3 {
  font-family: var(--font-heading);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
}
.guide-item p {
  color: var(--text-light);
}
.qa-form-combo {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  background: var(--bg-alt);
  margin-top: 40px;
}
.qa-box {
  flex: 1 1 45%;
}
.qa-item {
  margin-bottom: 25px;
}
.qa-item h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: var(--primary);
}
.qa-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}
.form-box {
  flex: 1 1 45%;
  background: #fff;
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-box h2 {
  text-align: left;
  margin-bottom: 15px;
}
.form-box p {
  margin-bottom: 25px;
  color: var(--text-light);
}
.consultation-form label {
  display: block;
  margin: 15px 0 5px;
  font-weight: 600;
}
.consultation-form input,
.consultation-form select,
.consultation-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition);
}
.consultation-form input:focus,
.consultation-form select:focus,
.consultation-form textarea:focus {
  border-color: var(--primary);
  outline: none;
}
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 18px 0;
}
.checkbox-group input {
  width: auto;
  margin-top: 3px;
}
.checkbox-group label {
  font-weight: 400;
  font-size: 0.9rem;
  margin: 0;
}
.form-box .btn {
  width: 100%;
  justify-content: center;
  margin-top: 15px;
}
footer.site-footer {
  background: linear-gradient(135deg, #1a5fb4 0%, #0f3d7a 100%);
  color: rgba(255, 255, 255, 0.9);
  padding: 30px 5% 20px;
  margin-top: auto;
  font-size: 0.9rem;
}
.footer-main {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 25px;
  margin-bottom: 20px;
}
.footer-logo .logo a {
  color: #fff;
  font-size: 1.3rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  transition: color 0.3s;
  white-space: nowrap;
}
.footer-links a:hover {
  color: var(--secondary);
}
.footer-contact p {
  margin-bottom: 4px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}
.footer-disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 15px;
  margin-bottom: 12px;
}
.footer-disclaimer small {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  line-height: 1.6;
}
.footer-bottom {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}
.legal-content h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 24px;
}
.legal-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 20px;
  margin-top: 32px;
}
.legal-content h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 16px;
}
.legal-content p,
.legal-content li {
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
  margin-bottom: 12px;
}
.legal-content ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}
.legal-content li {
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  header.site-header {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  .hero {
    flex-direction: column;
  }
  .criteria-grid {
    grid-template-columns: 1fr;
  }
  .review-layout {
    flex-direction: column;
  }
  .review-image {
    flex: auto;
  }
  .rank-badge {
    top: 20px;
    left: 0;
  }
  .pros-cons {
    grid-template-columns: 1fr;
  }
  .testimonial-cards {
    grid-template-columns: 1fr;
  }
  .buyers-guide .guide-grid {
    grid-template-columns: 1fr;
  }
  .qa-form-combo {
    flex-direction: column;
  }
  .footer-main {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  .footer-links {
    gap: 12px;
  }
}

@media (max-width: 424px) {
  section {
    padding: 28px 4%;
  }
  .hero-content h1 {
    font-size: 1.6rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
  .review-card {
    padding: 20px 16px;
  }
  .rank-badge {
    font-size: 0.8rem;
    padding: 6px 14px;
  }
  .review-info h3 {
    font-size: 1.3rem;
    margin-top: 12px;
  }
  .review-info .btn {
    width: 100%;
    justify-content: center;
    font-size: 0.9rem;
    padding: 12px 16px;
    text-align: center;
  }
  .form-box {
    padding: 24px 16px;
    border-radius: 0;
  }
  .qa-form-combo {
    padding-left: 0;
    padding-right: 0;
  }
  .qa-box {
    padding: 0 16px;
  }
  .qa-form-combo h2 {
    font-size: 1.4rem;
  }
  .qa-item h3 {
    font-size: 1rem;
  }
  .header-notice {
    white-space: normal;
    text-align: center;
    font-size: 0.72rem;
  }
  .footer-links {
    flex-direction: column;
    gap: 8px;
  }
}