/* ============================================================
   Shifang Packaging — applications.css
   应用场景页：左文 + 右 2×2 拼贴 Hero / 应用网格
   （头部、面包屑、帮助 CTA、CTA 带、页脚等共用组件见 main.css）
   ============================================================ */

/* ---------- 1. Hero（左文 + 右 2×2 拼贴） ---------- */
.app-hero {
  padding: 72px 0;
  background: var(--c-bg-alt);
}
.app-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.app-hero__text p {
  margin-top: 20px;
  font-size: 1.0625rem;
  max-width: 620px;
}
.app-hero__text .btn { margin-top: 32px; }
/* 后台未上传拼贴图时：文字区占满整行 */
.app-hero__grid--noimg { grid-template-columns: 1fr; }
.app-hero__collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.app-hero__collage img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-md);
}

/* ---------- 2. 应用网格 ---------- */
.app-grid { padding: 72px 0; }
.app-grid__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 40px 24px;
}
.app-tile {
  display: block;
  text-align: center;
}
.app-tile__media {
  overflow: hidden;
  border-radius: var(--r-sm);
}
.app-tile__media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform var(--t-base);
}
.app-tile:hover .app-tile__media img { transform: scale(1.04); }
.app-tile span {
  display: block;
  margin-top: 16px;
  font-weight: 600;
  color: var(--c-text);
  transition: color var(--t-fast);
}
.app-tile:hover span { color: var(--c-teal); }
/* 后台未设置特色图时：隐藏图片，仅显示标题 */
.app-tile--noimg .app-tile__media { display: none; }
.app-tile--noimg span { margin-top: 0; }

/* ---------- 3. 响应式（三端适配） ---------- */
@media (max-width: 1024px) {
  .app-hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .app-grid__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .app-hero,
  .app-grid { padding: 56px 0; }
}

@media (max-width: 720px) {
  .app-grid__list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 16px; }
  .app-tile span { margin-top: 12px; }
}