/* 落地页 */
.hero { text-align: center; padding: 90px 24px 70px; }
.hero h1 { font-size: 44px; letter-spacing: 1px; }
.hero .grad {
  background: linear-gradient(120deg, #4f6ef7, #9b5cf6 55%, #ff9d76);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .sub { color: var(--ink-2); margin: 18px 0 30px; font-size: 16px; }
.hero-btns { display: flex; gap: 14px; justify-content: center; }
.btn.lg { padding: 12px 30px; font-size: 16px; border-radius: 11px; }

.sec-title { font-size: 24px; text-align: center; margin: 30px 0 28px; }

.tpl-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px;
  margin-bottom: 70px;
}
.tpl-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 16px; text-align: center; cursor: pointer;
  transition: box-shadow .15s, transform .15s;
}
.tpl-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--brand); }
.tpl-card .tpl-icon { font-size: 30px; margin-bottom: 8px; }
.tpl-card .tpl-name { font-weight: 600; font-size: 14px; }

.feat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px;
  margin-bottom: 70px;
}
.feat-card { padding: 24px; }
.feat-icon { font-size: 28px; margin-bottom: 10px; }
.feat-card h3 { font-size: 16px; margin-bottom: 6px; }
.feat-card p { font-size: 13px; color: var(--ink-2); }

.footer { text-align: center; color: var(--ink-3); font-size: 13px; padding: 30px 0 40px; }

/* 移动端 */
@media (max-width: 640px) {
  .hero { padding: 52px 16px 44px; }
  .hero h1 { font-size: 30px; }
  .hero .sub { font-size: 14px; margin: 14px 0 24px; }
  .hero-btns { flex-direction: column; align-items: center; gap: 10px; }
  .hero-btns .btn { width: 100%; max-width: 280px; }
  .sec-title { font-size: 20px; margin: 10px 0 20px; }
  .tpl-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 44px; }
  .feat-grid { grid-template-columns: 1fr; gap: 12px; margin-bottom: 44px; }
}