:root {
  --bg: #ffffff;
  --surface: #f8fafc;
  --surface-2: #ffffff;
  --border: rgba(15, 23, 42, 0.1);
  --text: #1e293b;
  --muted: #64748b;
  --accent: #d97706;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --accent-glow: rgba(245, 158, 11, 0.25);
  --success: #059669;
  --radius: 16px;
  --font: "SF Pro Text", -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

body {
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(245, 158, 11, 0.06), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(99, 102, 241, 0.04), transparent),
    var(--bg);
}

.shell {
  max-width: 480px;
  margin: 0 auto;
  padding: 28px 18px 48px;
}

.hero {
  text-align: center;
  margin-bottom: 28px;
}

.hero-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.hero h1 {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  margin-bottom: 22px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.panel-head svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.notice-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.notice-list li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.notice-list li:last-child {
  border-bottom: none;
}

.notice-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.timeline {
  position: relative;
  padding-left: 36px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(245, 158, 11, 0.1));
  border-radius: 2px;
}

.step {
  position: relative;
  margin-bottom: 14px;
}

.step:last-child {
  margin-bottom: 0;
}

.step-marker {
  position: absolute;
  left: -36px;
  top: 14px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--accent);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.step-card {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  font-family: inherit;
}

.step-card:hover {
  border-color: rgba(245, 158, 11, 0.45);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
}

.step-card:active {
  transform: translateY(0);
}

.step-card.is-primary {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.14), rgba(255, 255, 255, 0.9));
  border-color: rgba(245, 158, 11, 0.4);
}

.step-label {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.step-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 1rem;
  font-weight: 600;
}

.step-title span.arrow {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform 0.2s;
}

.step-card:hover .step-title span.arrow {
  transform: translateX(3px);
}

.loading {
  text-align: center;
  padding: 48px 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

.loading-dots {
  display: inline-flex;
  gap: 6px;
  margin-bottom: 12px;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.2s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.error-box {
  background: #fef2f2;
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #b91c1c;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 0.88rem;
  line-height: 1.5;
}

.site-foot {
  margin-top: 28px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
}

.site-foot a {
  color: var(--muted);
  text-decoration: none;
  opacity: 0.7;
}

.site-foot a:hover {
  color: var(--accent);
  opacity: 1;
}