:root {
  --bg: #fffaf2;
  --bg-soft: #fff4e5;
  --surface: #ffffff;
  --surface-strong: #2f2f34;
  --text: #30323a;
  --text-soft: #666f7d;
  --line: rgba(48, 50, 58, 0.1);
  --brand: #ff9500;
  --brand-deep: #ff7a00;
  --brand-soft: #ffb84d;
  --green: #34c759;
  --blue: #5ac8fa;
  --purple: #af52de;
  --pink: #ff5d87;
  --shadow-sm: 0 12px 30px rgba(32, 37, 45, 0.08);
  --shadow-lg: 0 22px 60px rgba(32, 37, 45, 0.14);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  box-shadow: 0 6px 24px rgba(34, 36, 40, 0.05);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  box-shadow: 0 10px 20px rgba(255, 149, 0, 0.15);
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--text-soft);
  font-weight: 600;
}

.desktop-nav a,
.mobile-menu a,
.site-footer a {
  transition: color 0.25s ease;
}

.desktop-nav a:hover,
.mobile-menu a:hover,
.site-footer a:hover {
  color: var(--brand);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.95);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 0 16px 20px;
  border-top: 1px solid rgba(48, 50, 58, 0.08);
  background: rgba(255, 255, 255, 0.96);
}

.mobile-menu.is-open {
  display: flex;
}

.hero-section {
  position: relative;
  overflow: hidden;
  padding: 96px 0 84px;
  background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-soft) 48%, #ffe0a9 100%);
}

.hero-glow,
.download-glow {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  filter: blur(18px);
  pointer-events: none;
}

.hero-glow-right {
  top: 72px;
  right: -60px;
  width: 280px;
  height: 280px;
}

.hero-glow-left {
  bottom: 40px;
  left: -60px;
  width: 220px;
  height: 220px;
}

.hero-grid,
.download-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}

.hero-copy {
  color: #ffffff;
}

.hero-badge,
.eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.hero-badge {
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-copy h1,
.download-copy h2 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.75rem);
  line-height: 1.08;
  font-weight: 900;
}

.hero-subtitle {
  margin: 18px 0 14px;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.95);
}

.hero-description,
.download-copy p {
  margin: 0;
  max-width: 640px;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.button,
.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 26px;
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: 800;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.button:hover,
.download-button:hover,
.nav-button:hover,
.feature-card:hover,
.highlight-card:hover,
.character-card:hover,
.testimonial-card:hover,
.qr-card:hover {
  transform: translateY(-3px);
}

.button-primary {
  color: var(--brand);
  background: #ffffff;
  box-shadow: 0 16px 28px rgba(255, 255, 255, 0.22);
}

.button-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.78);
  background: transparent;
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.94rem;
  font-weight: 700;
}

.hero-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
}

.character-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.character-card,
.feature-card,
.highlight-card,
.testimonial-card,
.qr-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.character-card {
  padding: 24px 20px;
  text-align: center;
}

.avatar-frame {
  width: 96px;
  height: 96px;
  margin: 0 auto 18px;
  padding: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 149, 0, 0.22), rgba(90, 200, 250, 0.22));
}

.avatar-frame img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.character-card h2,
.section-heading h2,
.download-copy h2,
.qr-card h3,
.site-footer h3 {
  margin: 0;
}

.character-card h2 {
  font-size: 1.35rem;
}

.character-card p {
  margin: 8px 0 6px;
  color: var(--text-soft);
  font-weight: 700;
}

.character-card span {
  color: #8a9098;
  font-size: 0.92rem;
}

.hero-stats-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.48);
}

.hero-stats-card div,
.metrics-banner div,
.download-benefits div {
  text-align: center;
}

.hero-stats-card strong,
.metrics-banner strong,
.highlight-stat strong,
.download-benefits strong {
  display: block;
  font-weight: 900;
}

.hero-stats-card strong {
  font-size: 1.6rem;
  color: var(--brand);
}

.hero-stats-card span {
  color: #646d77;
  font-size: 0.92rem;
  font-weight: 700;
}

.section {
  padding: 96px 0;
}

.section-white {
  background: #ffffff;
}

.section-cream {
  background: var(--bg);
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--brand);
  background: rgba(255, 149, 0, 0.12);
}

.eyebrow-light {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.12;
  font-weight: 900;
}

.section-heading p {
  margin: 16px 0 0;
  color: var(--text-soft);
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 30px;
  border: 1px solid rgba(48, 50, 58, 0.08);
}

.feature-card h3,
.highlight-card h3,
.testimonial-card h3 {
  margin: 0;
  font-size: 1.4rem;
}

.feature-card p,
.highlight-card p,
.testimonial-card p,
.qr-card p,
.footer-text,
.footer-subtext {
  margin: 14px 0 0;
}

.feature-card p,
.highlight-card p,
.qr-card p,
.footer-text {
  color: var(--text-soft);
}

.feature-card span {
  display: inline-block;
  margin-top: 18px;
  color: #9aa1ab;
  font-weight: 700;
  font-size: 0.92rem;
}

.feature-icon,
.highlight-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 22px;
  margin-bottom: 22px;
  font-size: 1.9rem;
}

.feature-orange {
  background: rgba(255, 149, 0, 0.14);
}

.feature-blue {
  background: rgba(90, 200, 250, 0.15);
}

.feature-green {
  background: rgba(52, 199, 89, 0.15);
}

.feature-purple {
  background: rgba(175, 82, 222, 0.15);
}

.feature-pink {
  background: rgba(255, 93, 135, 0.14);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.highlight-card {
  display: flex;
  gap: 22px;
  padding: 30px;
}

.highlight-icon {
  flex: 0 0 auto;
}

.highlight-icon[data-accent="orange"] {
  background: rgba(255, 149, 0, 0.14);
}

.highlight-icon[data-accent="green"] {
  background: rgba(52, 199, 89, 0.14);
}

.highlight-icon[data-accent="blue"] {
  background: rgba(90, 200, 250, 0.14);
}

.highlight-icon[data-accent="purple"] {
  background: rgba(175, 82, 222, 0.14);
}

.highlight-stat {
  margin-top: 16px;
}

.highlight-stat strong {
  font-size: 1.8rem;
}

.highlight-stat span {
  color: #8a9098;
  font-weight: 700;
}

.metrics-banner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
  padding: 28px;
  border: 1px solid rgba(255, 149, 0, 0.14);
  border-radius: var(--radius-xl);
  background: linear-gradient(90deg, rgba(255, 149, 0, 0.08), rgba(52, 199, 89, 0.08), rgba(90, 200, 250, 0.08));
}

.metrics-banner strong {
  font-size: 2rem;
}

.metrics-banner span {
  color: var(--text-soft);
  font-weight: 700;
}

.testimonial-stage {
  overflow: hidden;
}

.testimonial-grid {
  display: grid;
  gap: 24px;
}

.testimonial-card {
  height: 100%;
  padding: 28px;
  border: 1px solid rgba(48, 50, 58, 0.08);
  background: linear-gradient(180deg, #ffffff 0%, #fffaf4 100%);
}

.testimonial-card.is-featured {
  box-shadow: var(--shadow-lg);
}

.testimonial-rating {
  margin-bottom: 18px;
  color: var(--brand);
  letter-spacing: 0.14em;
}

.testimonial-card p {
  color: #56606c;
  font-style: italic;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
}

.testimonial-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-soft));
  font-size: 1.55rem;
}

.testimonial-meta strong {
  display: block;
  font-size: 1rem;
}

.testimonial-meta span {
  color: #8a9098;
  font-size: 0.92rem;
}

.testimonial-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 28px;
}

.nav-button {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(48, 50, 58, 0.12);
  border-radius: 50%;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-size: 1.6rem;
  transition: transform 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.nav-button:hover {
  color: var(--brand);
  border-color: rgba(255, 149, 0, 0.35);
}

.dot-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dot {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 999px;
  background: #d4d8de;
  cursor: pointer;
  transition: width 0.25s ease, background 0.25s ease;
}

.dot.is-active {
  width: 34px;
  background: var(--brand);
}

.download-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-soft) 48%, #ffe0a9 100%);
}

.download-glow-left {
  left: -100px;
  top: 80px;
  width: 320px;
  height: 320px;
}

.download-glow-right {
  right: -80px;
  bottom: 40px;
  width: 360px;
  height: 360px;
}

.download-copy {
  position: relative;
  z-index: 1;
  color: #ffffff;
}

.download-copy p {
  max-width: 620px;
}

.download-button {
  width: min(100%, 360px);
  min-height: 58px;
  border-radius: 20px;
  border-color: rgba(255, 255, 255, 0.64);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  cursor: pointer;
}

.download-primary {
  color: var(--brand);
  background: #ffffff;
  border-color: #ffffff;
  box-shadow: 0 18px 32px rgba(255, 255, 255, 0.24);
}

.qr-card {
  position: relative;
  z-index: 1;
  max-width: 380px;
  width: 100%;
  margin-left: auto;
  padding: 28px;
  text-align: center;
}

.qr-card p {
  color: #7b8490;
}

.qr-placeholder {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0 18px;
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(135deg, #f4f6f8, #eef1f5);
}

.qr-box {
  aspect-ratio: 1;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255, 149, 0, 0.15), rgba(255, 149, 0, 0.45));
}

.qr-note {
  display: inline-block;
  color: #68717d;
  font-weight: 700;
}

.download-benefits {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.download-benefits div {
  padding: 22px 12px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.download-benefits span {
  display: block;
  margin-bottom: 10px;
  font-size: 2rem;
}

.site-footer {
  padding: 72px 0 28px;
  background: var(--surface-strong);
  color: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 28px;
}

.footer-brand {
  margin-bottom: 14px;
}

.site-footer h3 {
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.site-footer ul {
  padding: 0;
  margin: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer li + li {
  margin-top: 10px;
}

.footer-text {
  color: rgba(255, 255, 255, 0.82);
}

.footer-subtext {
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.92rem;
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

@media (max-width: 1080px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .download-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .qr-card {
    margin: 0 auto;
  }
}

@media (max-width: 820px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero-section,
  .section {
    padding: 76px 0;
  }

  .character-grid,
  .highlight-grid,
  .metrics-banner,
  .download-benefits {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .highlight-card,
  .feature-card,
  .testimonial-card,
  .qr-card {
    padding: 24px;
  }

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

  .hero-actions,
  .download-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .download-button {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .nav-shell {
    min-height: 68px;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 14px;
  }

  .brand-name {
    font-size: 1.15rem;
  }

  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .hero-section,
  .section,
  .site-footer {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  .testimonial-nav {
    gap: 12px;
  }
}