:root {
  color-scheme: light dark;
  --bg: #0c0f14;
  --bg-soft: #121820;
  --card: #161d28;
  --text: #eef2f7;
  --muted: #94a3b8;
  /* 与 Logo 中的青绿飘带、8 号球呼应 */
  --accent: #65d33c;
  --accent-dim: rgba(101, 211, 60, 0.14);
  --accent-text: #86efac;
  --brand-red: #e11d48;
  --border: #2d3a4d;
  --warn-bg: rgba(251, 191, 36, 0.08);
  --warn-border: rgba(251, 191, 36, 0.25);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --bg-soft: #f1f5f9;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --accent: #16a34a;
    --accent-dim: rgba(22, 163, 74, 0.1);
    --accent-text: #15803d;
    --brand-red: #dc2626;
    --border: #e2e8f0;
    --warn-bg: rgba(245, 158, 11, 0.06);
    --warn-border: rgba(245, 158, 11, 0.3);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, var(--accent-dim), transparent 55%), var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #0f172a;
  font-weight: 600;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

.wrap {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.75rem 1.15rem 2.5rem;
}

.site-hero {
  text-align: center;
  padding: 1.25rem 0 2rem;
  margin-bottom: 0.25rem;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.brand-logo {
  width: 112px;
  height: 112px;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}

.brand-name {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--brand-red);
}

.site-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.45rem, 5vw, 1.85rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.hero-lead {
  margin: 0 auto;
  max-width: 38rem;
  font-size: 1rem;
  color: var(--muted);
}

.panels {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.35rem 1.35rem 1.2rem;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

.panel-highlight {
  background: linear-gradient(165deg, var(--accent-dim), transparent 42%), var(--card);
}

.panel-disclaimer {
  background: var(--warn-bg);
  border-color: var(--warn-border);
}

.panel-download {
  background: linear-gradient(155deg, rgba(101, 211, 60, 0.12), transparent 50%), var(--card);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.panel-download .section-title {
  margin: 0 0 0.65rem;
  width: 100%;
}

.panel-download .download-meta {
  margin: 0 0 0.85rem;
  min-height: 1.35rem;
  font-size: 0.92rem;
  color: var(--accent-text);
  font-weight: 600;
  width: 100%;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 700;
  text-decoration: none;
  color: #0f172a;
  background: linear-gradient(180deg, #86efac, var(--accent));
  border: 1px solid rgba(22, 101, 52, 0.35);
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.25);
}

.download-btn:hover {
  filter: brightness(1.05);
}

.download-btn:focus-visible {
  outline: 3px solid var(--accent-text);
  outline-offset: 2px;
}

.download-btn.is-disabled {
  pointer-events: none;
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.35);
}

.section-title {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.02em;
  text-transform: none;
}

.panel-intro {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.benefit-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

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

.benefit-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.65rem;
  row-gap: 0.2rem;
  padding: 0.85rem 0.95rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
}

.benefit-icon {
  grid-row: 1 / span 2;
  align-self: start;
  font-size: 1.1rem;
  color: var(--accent-text);
  line-height: 1.2;
}

.benefit-title {
  font-weight: 700;
  font-size: 0.95rem;
}

.benefit-text {
  grid-column: 2;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
}

.lottery-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  /* 手机窄屏也保持两列（避免 auto-fill + 较大 minmax 在窄屏塌成单列） */
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.lottery-card {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
}

.lottery-name {
  font-weight: 700;
  font-size: 1.02rem;
}

.lottery-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.lottery-tags {
  font-size: 0.78rem;
  color: var(--text);
  opacity: 0.9;
  line-height: 1.45;
}

.plain-list {
  margin: 0;
  padding-left: 1.2rem;
}

.plain-list li {
  margin-bottom: 0.55rem;
}

.plain-list li:last-child {
  margin-bottom: 0;
}

.plain-list strong {
  color: var(--text);
}

.disclaimer-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.disclaimer-list li {
  margin-bottom: 0.5rem;
}

.disclaimer-list li:last-child {
  margin-bottom: 0;
}

.site-footer {
  margin-top: 2rem;
  text-align: center;
  padding: 0 0.5rem;
}

.site-footer p {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-copy {
  margin-top: 0.75rem !important;
  font-size: 0.8rem;
  opacity: 0.9;
}