/* ============================================================
   占位页面 · 即将上线风（对齐 JS 实际类名）
   ============================================================ */

.placeholder {
  flex: 1; min-height: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: var(--space-8); overflow-y: auto;
}
.placeholder > * { max-width: 640px; width: 100%; text-align: center; }

.ph-icon {
  width: 86px; height: 86px; margin: 0 auto var(--space-5); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, rgba(92,159,214,0.16), rgba(237,159,182,0.16));
  border: 1px solid var(--border-strong); color: var(--color-primary);
  animation: floatY 5s var(--ease-out) infinite;
}
.ph-icon svg { width: 42px; height: 42px; }
.placeholder h1, .placeholder > .title { font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 700; color: var(--text-strong); margin-bottom: 8px; }
.placeholder .desc { color: var(--text-secondary); line-height: 1.75; font-size: var(--fs-sm); margin: 0 auto var(--space-5); max-width: 520px; }

.soon-badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 15px; border-radius: var(--radius-pill);
  font-size: var(--fs-xs); font-weight: 700; color: #B5566E;
  background: rgba(237,159,182,0.16); border: 1px solid rgba(237,159,182,0.36); margin-bottom: var(--space-6);
}

.feature-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); width: 100%; max-width: 620px; margin: 0 auto var(--space-6); text-align: left; }
.feature-card { padding: var(--space-4); border-radius: var(--radius-sm); display: flex; flex-direction: column; gap: 8px; transition: all var(--dur-base); }
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); border-color: var(--border-strong); }
.fc-icon { width: 36px; height: 36px; border-radius: var(--radius-xs); display: flex; align-items: center; justify-content: center; color: #fff; }
.fc-icon svg { width: 19px; height: 19px; }
.fc-title { font-size: var(--fs-sm); font-weight: 700; color: var(--text-strong); }
.fc-desc { font-size: var(--fs-xs); color: var(--text-muted); line-height: 1.55; }

.ph-subscribe { display: flex; gap: 9px; width: 100%; max-width: 440px; margin: 0 auto; }
.ph-subscribe .input { flex: 1; }