:root {
  --line-green: #06c755;
  --line-green-dark: #05a648;
  --ink: #1f2933;
  --muted: #6b7280;
  --bg: #f3f4f6;
  --card: #ffffff;
  --border: #e5e7eb;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Noto Sans TC", "Segoe UI", Roboto, "Microsoft JhengHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main.card {
  max-width: 480px;
  margin: 32px auto;
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 24px 32px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

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

.banner {
  background: linear-gradient(135deg, var(--line-green), #00b900);
  color: #fff;
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  margin-bottom: 20px;
}
.banner h1 { margin: 0 0 6px; font-size: 1.5rem; }
.banner p { margin: 0; opacity: 0.92; font-size: 0.95rem; }

h1 { font-size: 1.4rem; margin: 0 0 12px; }
h2 { font-size: 1.05rem; margin: 0 0 4px; }
p.lead { color: var(--muted); margin: 0 0 20px; }

.step {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--line-green-dark);
  background: #e7f9ee;
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
  font-weight: 600;
}

.btn {
  display: inline-block;
  width: 100%;
  text-align: center;
  background: var(--line-green);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--line-green-dark); }
.btn.secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
  margin-top: 10px;
}
.btn.secondary:hover { background: #f9fafb; }

.profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: #f9fafb;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 20px;
}
.profile img {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background: #ddd;
}
.profile .name { font-weight: 700; }
.profile .sub { font-size: 0.82rem; color: var(--muted); }

label { display: block; font-weight: 600; margin: 16px 0 6px; font-size: 0.92rem; }
label .req { color: #e5484d; }

input[type="text"], textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
}
input[type="text"]:focus, textarea:focus {
  outline: none;
  border-color: var(--line-green);
  box-shadow: 0 0 0 3px rgba(6, 199, 85, 0.15);
}
textarea { resize: vertical; min-height: 70px; }

.radio-group { display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }
.radio-group label {
  display: flex; align-items: center; gap: 8px;
  font-weight: 400; margin: 0;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  cursor: pointer;
}
.radio-group input { accent-color: var(--line-green); }

.emoji { font-size: 2.6rem; margin-bottom: 8px; }
.note { font-size: 0.85rem; color: var(--muted); margin-top: 16px; }

.divider { height: 1px; background: var(--border); margin: 22px 0; border: 0; }