:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1e293b;
  background: #f8fafc;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 5.5rem;
}

body {
  min-width: 320px;
  margin: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(15, 23, 42, .055) 1px, transparent 0);
  background-size: 22px 22px;
  line-height: 1.65;
}

a {
  color: #047857;
  text-decoration: none;
}

a:hover {
  color: #065f46;
  text-decoration: underline;
}

.site-header {
  position: sticky;
  z-index: 5;
  top: 0;
  border-bottom: 1px solid #e2e8f0;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
}

.header-inner,
.container {
  width: min(100% - 32px, 1080px);
  margin-inline: auto;
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #0f172a;
  font-weight: 800;
  line-height: 1.25;
}

.brand:hover {
  color: #0f172a;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: #64748b;
  font-size: 11px;
  font-weight: 500;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  font-size: 14px;
  font-weight: 600;
}

.site-nav a {
  color: #475569;
}

.site-nav a[aria-current="page"] {
  color: #047857;
}

main.container {
  min-height: 68vh;
  padding-block: 42px 64px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #4f46e5;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: #0f172a;
  line-height: 1.3;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -.035em;
}

h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

p {
  margin: 0 0 14px;
}

.lead {
  max-width: 780px;
  margin-top: 16px;
  color: #475569;
  font-size: 17px;
}

.section {
  margin-top: 36px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 20px;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(15, 23, 42, .035);
}

.card p,
.muted {
  color: #64748b;
}

.card p:last-child {
  margin-bottom: 0;
}

.notice {
  padding: 16px 18px;
  border: 1px solid #cbd5e1;
  border-left: 4px solid #059669;
  border-radius: 10px;
  background: #fff;
  color: #475569;
}

.link-list {
  display: grid;
  gap: 10px;
  padding-left: 20px;
}

.link-list li {
  padding-left: 4px;
}

.breadcrumb {
  margin-bottom: 20px;
  color: #64748b;
  font-size: 13px;
}

.site-footer {
  border-top: 1px solid #e2e8f0;
  background: #fff;
  color: #64748b;
  font-size: 13px;
}

.footer-inner {
  width: min(100% - 32px, 1080px);
  margin-inline: auto;
  padding-block: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 12px;
}

.footer-note {
  max-width: 820px;
  margin: 0;
}

.material-symbols-outlined {
  vertical-align: middle;
  font-variation-settings: "FILL" 0, "wght" 420, "GRAD" 0, "opsz" 24;
}

.ball {
  font-variant-numeric: tabular-nums;
}

.faq-item[open] summary {
  color: #059669;
}

.faq-item summary::-webkit-details-marker,
details summary::-webkit-details-marker {
  display: none;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

.live-dot {
  animation: pulse-dot 1.6s ease-in-out infinite;
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding-block: 12px;
  }

  .site-nav {
    gap: 5px 14px;
    font-size: 13px;
  }

  main.container {
    padding-top: 30px;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .grid {
    grid-template-columns: 1fr;
  }
}