:root {
  --bg: #eff3f8;
  --bg-deep: #08111f;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --surface-dark: rgba(10, 21, 38, 0.78);
  --text: #08101d;
  --text-soft: #435065;
  --text-inverse: #e7edf8;
  --line: rgba(11, 24, 43, 0.1);
  --line-strong: rgba(255, 255, 255, 0.14);
  --accent: #0f5f98;
  --accent-strong: #0b4b79;
  --accent-soft: rgba(15, 95, 152, 0.12);
  --gold: #b68a3a;
  --gold-soft: rgba(182, 138, 58, 0.16);
  --shadow-soft: 0 20px 60px rgba(13, 26, 47, 0.08);
  --shadow-card: 0 18px 40px rgba(8, 17, 31, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1120px, calc(100vw - 40px));
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 95, 152, 0.1), transparent 28%),
    radial-gradient(circle at top right, rgba(182, 138, 58, 0.12), transparent 22%),
    linear-gradient(180deg, #f7f9fc 0%, #edf2f8 38%, #f9fbfd 100%);
  line-height: 1.65;
}

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

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

button,
a.button,
.contact-mail {
  cursor: pointer;
}

.site-shell {
  position: relative;
  overflow: clip;
}

.site-shell::before,
.site-shell::after {
  content: "";
  position: fixed;
  z-index: -1;
  inset: auto;
  width: 28rem;
  height: 28rem;
  filter: blur(90px);
  pointer-events: none;
}

.site-shell::before {
  top: -8rem;
  left: -10rem;
  background: rgba(15, 95, 152, 0.18);
}

.site-shell::after {
  right: -10rem;
  bottom: -10rem;
  background: rgba(182, 138, 58, 0.16);
}

.section {
  width: var(--container);
  margin: 0 auto;
  padding: 96px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.9fr);
  gap: 36px;
  align-items: center;
  min-height: 100vh;
  padding-top: 64px;
  padding-bottom: 48px;
}

.hero-copy h1,
.section-heading h2,
.contact-copy h2,
.identity-card h2 {
  font-family: "Noto Serif SC", serif;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 42px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.7rem, 4vw, 5.4rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  max-width: 10ch;
}

.hero-lead {
  max-width: 44rem;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: 1.08rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition);
}

.button:focus-visible,
.contact-mail:focus-visible {
  outline: 3px solid rgba(15, 95, 152, 0.3);
  outline-offset: 4px;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, #0a76b8 100%);
  box-shadow: 0 16px 28px rgba(15, 95, 152, 0.24);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 36px rgba(15, 95, 152, 0.28);
}

.button-secondary {
  color: var(--text);
  border: 1px solid rgba(8, 17, 31, 0.14);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(14px);
}

.button-secondary:hover {
  transform: translateY(-2px);
  border-color: rgba(8, 17, 31, 0.22);
}

.hero-points {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
  color: var(--text);
}

.hero-points li {
  position: relative;
  padding-left: 24px;
  font-weight: 500;
}

.hero-points li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
  box-shadow: 0 0 0 8px rgba(15, 95, 152, 0.08);
}

.hero-card,
.proof-card,
.value-card,
.audience-card,
.contact-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-soft);
}

.hero-card {
  padding: 30px;
  border-radius: var(--radius-lg);
}

.hero-card::before,
.contact-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.2), transparent 32%),
    radial-gradient(circle at top right, rgba(182, 138, 58, 0.18), transparent 28%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(8, 17, 31, 0.06);
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 700;
}

.brand-avatar {
  width: min(100%, 260px);
  margin: 28px auto 18px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 32px;
  box-shadow: var(--shadow-card);
}

.identity-card {
  text-align: center;
}

.identity-card h2 {
  margin: 0;
  font-size: 2rem;
}

.identity-card p {
  margin: 8px 0 0;
  color: var(--text-soft);
}

.stat-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.stat-grid article {
  padding: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(8, 17, 31, 0.08);
  background: rgba(255, 255, 255, 0.52);
}

.stat-grid strong {
  display: block;
  font-size: 0.96rem;
  color: var(--accent-strong);
}

.stat-grid span {
  display: block;
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 0.94rem;
}

.section-heading {
  max-width: 56rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 2.8vw, 3.6rem);
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.proof-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.proof-card,
.audience-card {
  padding: 28px;
  border-radius: var(--radius-md);
}

.proof-card h3,
.audience-card h3,
.value-card h3 {
  margin: 0 0 12px;
  font-size: 1.18rem;
}

.proof-card p,
.audience-card p,
.value-card p {
  margin: 0;
  color: var(--text-soft);
}

.section-value {
  position: relative;
}

.value-list {
  display: grid;
  gap: 20px;
  margin-top: 36px;
}

.value-card {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 20px;
  row-gap: 8px;
  align-items: start;
  padding: 30px;
  border-radius: var(--radius-md);
}

.value-card h3,
.value-card p {
  grid-column: 2;
}

.value-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  color: var(--accent-strong);
  background: linear-gradient(135deg, rgba(15, 95, 152, 0.12), rgba(182, 138, 58, 0.18));
}

.value-icon svg {
  width: 28px;
  height: 28px;
}

.section-quote {
  padding-top: 32px;
  padding-bottom: 32px;
}

.section-quote blockquote {
  margin: 0;
  padding: 34px clamp(22px, 4vw, 56px);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.88));
  box-shadow: var(--shadow-soft);
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.6;
  color: #172232;
}

.section-contact {
  padding-top: 48px;
  padding-bottom: 88px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.72fr);
  gap: 24px;
  padding: 34px;
  border-radius: calc(var(--radius-lg) + 4px);
}

.contact-panel p {
  color: var(--text-soft);
}

.contact-mail {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(8, 17, 31, 0.12);
  color: var(--accent-strong);
  font-weight: 700;
  background: rgba(255, 255, 255, 0.68);
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.contact-mail:hover {
  transform: translateY(-2px);
  border-color: rgba(8, 17, 31, 0.22);
}

.wechat-placeholder {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.placeholder-label {
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}

.placeholder-box {
  position: relative;
  min-height: 100%;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(8, 17, 31, 0.2);
  background:
    linear-gradient(180deg, rgba(8, 17, 31, 0.03), rgba(8, 17, 31, 0.08)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.36), rgba(255, 255, 255, 0.76));
}

.placeholder-inner {
  display: grid;
  place-content: center;
  min-height: 280px;
  border-radius: calc(var(--radius-md) - 4px);
  background:
    linear-gradient(135deg, rgba(15, 95, 152, 0.08), rgba(182, 138, 58, 0.12));
  text-align: center;
  padding: 24px;
}

.placeholder-inner strong {
  font-size: 1.18rem;
}

.placeholder-inner p {
  max-width: 18rem;
  margin: 12px auto 0;
}

.site-footer {
  width: var(--container);
  margin: 0 auto;
  padding: 0 0 36px;
  color: #5b677a;
  font-size: 0.92rem;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }

  .js-enabled .reveal,
  .js-enabled .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1024px) {
  .hero,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 12ch;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 36px;
    gap: 28px;
  }

  .proof-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

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

  .value-card h3,
  .value-card p {
    grid-column: auto;
  }

  .contact-panel,
  .hero-card {
    padding: 24px;
  }

  .section-quote blockquote {
    padding: 26px 22px;
  }
}

@media (max-width: 480px) {
  :root {
    --container: min(100vw - 24px, 100%);
  }

  .hero h1 {
    font-size: 2.55rem;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button,
  .contact-mail {
    width: 100%;
  }
}