/* ───── 平板/终端模拟外壳 ───── */
.tablet-wrap {
  position: fixed; inset: 0;
  background: linear-gradient(135deg, #2a2a2a, #1a1a1a);
  display: flex; align-items: center; justify-content: center;
  padding: 30px;
}
.tablet {
  width: min(1200px, 100%); height: min(820px, 100%);
  background: #f0f3f8;
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6), 0 0 0 12px #2a2a2a, 0 0 0 14px #444;
  overflow: hidden;
  display: flex;
  position: relative;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.tablet-side {
  width: 96px; background: linear-gradient(180deg, #0f2861, #1a3a8a);
  display: flex; flex-direction: column; align-items: center;
  padding: 30px 0;
}
.tablet-side .logo {
  width: 56px; height: 56px; background: linear-gradient(135deg, #c9a13d, #d9b54d);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #0f2861; font-size: 22px; margin-bottom: 30px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.tablet-side .nav-item {
  width: 70px; padding: 12px 4px; margin-bottom: 10px;
  border-radius: 10px; text-align: center; cursor: pointer;
  color: rgba(255,255,255,0.7); transition: all .2s; font-size: 11px;
}
.tablet-side .nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.tablet-side .nav-item.active { background: rgba(255,255,255,0.18); color: #fff; }
.tablet-side .nav-item i { font-size: 22px; display: block; margin-bottom: 4px; }

.tablet-body { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.tablet-top {
  height: 50px; background: #fff; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.tablet-top .crumb { color: var(--text); font-weight: 500; font-size: 15px; }
.tablet-top .actions { font-size: 13px; color: var(--text-light); display: flex; align-items: center; gap: 14px; }
.tablet-content { flex: 1; padding: 20px; overflow-y: auto; }

.terminal-back {
  position: fixed; top: 20px; left: 20px;
  background: rgba(255,255,255,0.1);
  color: #fff; padding: 8px 14px; border-radius: 6px;
  cursor: pointer; font-size: 13px; z-index: 100;
  border: 1px solid rgba(255,255,255,0.2);
}
.terminal-back:hover { background: rgba(255,255,255,0.2); }

/* APP 卡片 */
.app-meet-card {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}
.app-meet-card::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(201,161,61,0.2), transparent);
}
.app-meet-card .name { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.app-meet-card .meta { font-size: 13px; opacity: 0.85; line-height: 2; }
.app-meet-card .btn-row { margin-top: 16px; display: flex; gap: 10px; }
.app-meet-card .ibtn {
  padding: 8px 16px; background: rgba(255,255,255,0.18);
  border-radius: 20px; font-size: 13px; cursor: pointer;
  display: inline-flex; align-items: center;
}
.app-meet-card .ibtn:hover { background: rgba(255,255,255,0.3); }
.app-meet-card .ibtn.primary { background: var(--accent-gold); color: var(--primary-dark); font-weight: 600; }

.svc-tile {
  background: #fff; padding: 20px 14px; text-align: center;
  border-radius: 10px; cursor: pointer; border: 1px solid var(--border);
  transition: all .2s;
}
.svc-tile:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(0,0,0,0.08); border-color: var(--primary); }
.svc-tile .icon { font-size: 32px; margin-bottom: 8px; }
.svc-tile .name { font-size: 13px; }

.pdf-viewer {
  background: #525659; padding: 20px;
  display: flex; gap: 12px;
}
.pdf-side { width: 80px; background: rgba(0,0,0,0.3); border-radius: 4px; padding: 8px; }
.pdf-thumb { width: 64px; height: 84px; background: #fff; margin-bottom: 6px; border-radius: 2px; cursor: pointer; padding: 4px; font-size: 6px; color: #888; }
.pdf-thumb.active { outline: 2px solid var(--accent-gold); }
.pdf-page {
  flex: 1; background: #fff; padding: 60px 80px;
  position: relative; overflow: auto;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.pdf-page h2 { font-size: 22px; text-align: center; margin: 0 0 24px; }
.pdf-page p { font-size: 14px; line-height: 1.9; text-align: justify; text-indent: 2em; }
.pdf-page .highlight { background: rgba(251,191,36,0.4); padding: 2px 0; }
.pdf-page .scribble {
  position: absolute; pointer-events: none; color: #d42020;
  font-family: 'Brush Script MT', cursive; font-size: 18px; font-weight: 600;
}
.pdf-toolbar {
  background: #2a2a2a; padding: 10px 14px; display: flex;
  align-items: center; justify-content: space-between; color: #ccc;
}
.pdf-tool-grp { display: flex; gap: 6px; }
.pdf-tool {
  padding: 6px 12px; border-radius: 4px; cursor: pointer;
  background: rgba(255,255,255,0.08); color: #ccc; font-size: 12px;
  display: inline-flex; align-items: center;
}
.pdf-tool:hover { background: rgba(255,255,255,0.15); color: #fff; }
.pdf-tool.active { background: var(--accent-gold); color: #2a2a2a; }
.pdf-tool i { margin-right: 4px; }