@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("fonts/300.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/400.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/500.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/700.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("fonts/900.ttf") format("truetype");
}

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

:root {
  --blue: #2b7cf6;
  --blue-light: #ebf3ff;
  --blue-dark: #1a5dc9;
  --green: #00b578;
  --orange: #ff8c1a;
  --gray-50: #fafbfc;
  --gray-100: #f4f5f7;
  --gray-200: #e8ecf0;
  --gray-400: #a0a8b4;
  --gray-600: #6b7280;
  --gray-800: #2d3748;
  --gray-900: #1a202c;
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #fff;
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  height: 64px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
}

.nav-brand img {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  color: var(--gray-600);
  transition: color 0.2s;
}

.nav-links a:hover,
.footer-col a:hover,
.footer-legal a:hover {
  color: var(--gray-800);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}

.btn-primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 4px 14px rgba(43, 124, 246, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
}

.btn-outline:hover {
  background: var(--blue-light);
}

.btn-lg {
  padding: 14px 36px;
  border-radius: 10px;
  font-size: 16px;
}

.hero {
  padding: 140px 24px 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--blue-light) 0%, #fff 100%);
}

.hero-tag {
  display: inline-block;
  margin-bottom: 24px;
  padding: 6px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  background: #fff;
  color: var(--gray-600);
  font-size: 13px;
}

.hero h1 {
  margin-bottom: 16px;
  font-size: 48px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.5px;
}

.hero h1 em {
  font-style: normal;
  color: var(--blue);
}

.hero p {
  max-width: 560px;
  margin: 0 auto 36px;
  color: var(--gray-600);
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions,
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-bottom: 48px;
}

.hero-img {
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
}

.hero-img img,
.showcase-img img {
  width: 100%;
  height: auto;
}

.trust-bar {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}

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

.trust-item .num {
  color: var(--gray-900);
  font-size: 28px;
  font-weight: 800;
}

.trust-item .label {
  margin-top: 2px;
  color: var(--gray-400);
  font-size: 13px;
}

.section,
.cta-section {
  padding: 80px 24px;
}

.section-alt,
.footer {
  background: var(--gray-50);
}

.section-head {
  margin-bottom: 48px;
  text-align: center;
}

.section-head h2,
.cta-section h2 {
  margin-bottom: 12px;
  font-size: 32px;
  font-weight: 800;
}

.section-head p,
.cta-section p {
  max-width: 480px;
  margin: 0 auto;
  color: var(--gray-600);
  font-size: 16px;
}

.cta-section {
  text-align: center;
  background: linear-gradient(180deg, #fff 0%, var(--blue-light) 100%);
}

.cta-section p {
  margin-bottom: 32px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card,
.tip-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
}

.feature-card {
  padding: 28px 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--blue);
  box-shadow: 0 4px 20px rgba(43, 124, 246, 0.08);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 10px;
  font-size: 22px;
}

.fi-blue {
  background: var(--blue-light);
}

.fi-green {
  background: #e6f9f0;
}

.fi-orange {
  background: #fff3e6;
}

.fi-purple {
  background: #f0eaff;
}

.fi-pink {
  background: #fff0f5;
}

.fi-cyan {
  background: #e6fffe;
}

.feature-card h3 {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
}

.feature-card p {
  color: var(--gray-600);
  font-size: 14px;
  line-height: 1.6;
}

.showcase-row {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: 1000px;
  margin: 0 auto 64px;
}

.showcase-row:nth-child(even) {
  flex-direction: row-reverse;
}

.showcase-row:last-child {
  margin-bottom: 0;
}

.showcase-text,
.showcase-img {
  flex: 1;
}

.showcase-text .tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.tag-blue {
  background: var(--blue-light);
  color: var(--blue);
}

.tag-green {
  background: #e6f9f0;
  color: var(--green);
}

.tag-orange {
  background: #fff3e6;
  color: var(--orange);
}

.showcase-text h3 {
  margin-bottom: 12px;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
}

.showcase-text p {
  margin-bottom: 16px;
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.7;
}

.showcase-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
}

.showcase-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-600);
  font-size: 14px;
}

.showcase-list li::before {
  content: "✓";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  flex-shrink: 0;
  background: #e6f9f0;
  color: var(--green);
  font-size: 11px;
}

.showcase-img {
  overflow: hidden;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}

.tip-card {
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.tip-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.tip-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.tip-card-body {
  padding: 14px 16px;
}

.tip-card-body h4 {
  margin-bottom: 4px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

.tip-card-body p {
  color: var(--gray-400);
  font-size: 12px;
  line-height: 1.5;
}

.footer {
  padding: 48px 24px 24px;
  border-top: 1px solid var(--gray-200);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 260px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: 700;
}

.footer-brand-logo img {
  width: 32px;
  height: 32px;
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 13px;
  line-height: 1.6;
}

.footer-cols {
  display: flex;
  gap: 56px;
}

.footer-col h4 {
  margin-bottom: 12px;
  color: var(--gray-800);
  font-size: 13px;
  font-weight: 600;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
}

.footer-col a,
.footer-bottom span,
.footer-bottom a {
  color: var(--gray-400);
  font-size: 13px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  max-width: 1000px;
  margin: 32px auto 0;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
  flex-wrap: wrap;
}

.footer-bottom span,
.footer-bottom a {
  font-size: 12px;
}

.footer-legal {
  display: flex;
  gap: 16px;
}

@media (max-width: 768px) {
  .nav {
    height: auto;
  }

  .nav .container {
    flex-direction: column;
    gap: 12px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .nav-links {
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .hero {
    padding: 148px 20px 48px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero p {
    font-size: 16px;
  }

  .trust-bar {
    gap: 24px;
  }

  .trust-item .num {
    font-size: 22px;
  }

  .features-grid,
  .showcase-row,
  .tips-grid {
    grid-template-columns: 1fr;
  }

  .showcase-row,
  .showcase-row:nth-child(even) {
    flex-direction: column;
    gap: 24px;
  }

  .section-head h2,
  .cta-section h2 {
    font-size: 24px;
  }

  .footer-grid,
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-cols {
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
  }
}