.join-wrap { padding: 46px 0 72px; display: flex; justify-content: center; }
.join-card { width: min(640px, 94%); }
.join-card h1 { font-size: 26px; margin-bottom: 6px; }
.join-card .section-sub { text-align: left; margin-bottom: 18px; }
.join-card .auth-form { margin-top: 8px; }
.join-note { font-size: 13px; color: var(--muted); background: #eaf5f0; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 16px; }
.join-foot { text-align: center; margin-top: 16px; font-size: 14px; color: var(--muted); }
.join-foot a { color: var(--green); font-weight: 600; }