@layer components {
  /* 设备框：截图容器。无真实截图时内部放线框占位 SVG（.wf），并以 data-screenshot 标注将来的素材名 */
  .device { position: relative; display: grid; gap: var(--s-2); }
  .device-screen {
    position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #0A1019;
    border: 1px solid var(--line-strong); border-radius: var(--r-md); box-shadow: var(--hilite), 0 0 0 4px #121B2A, 0 0 0 5px rgb(232 238 246 / .14);
  }
  .device-screen > img, .device-screen > .wf { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .device-screen::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(160deg, rgb(255 255 255 / .05), transparent 40%); }

  /* 显示器：底座 */
  .device-monitor .device-stand { width: 22%; height: 10px; margin-inline: auto; background: linear-gradient(#1B2636, #121B2A); border-radius: 0 0 var(--r-sm) var(--r-sm); }
  .device-monitor .device-stand::after { content: ""; display: block; width: 180%; height: 4px; margin: 10px auto 0; margin-left: -40%; background: #121B2A; border-radius: var(--r-pill); }

  /* 小盒子：屏 + 盒子本体 */
  .device-box .device-screen { aspect-ratio: 16 / 9; }
  .device-box .device-body {
    width: 46%; height: 20px; margin: var(--s-2) 0 0 var(--s-3); border-radius: var(--r-xs);
    background: linear-gradient(#1B2636, #0F1725); border: 1px solid var(--line-strong); display: flex; align-items: center; gap: 6px; padding-inline: 8px;
  }
  .device-box .device-body i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 6px var(--ok); }
  .device-box .device-body i + i { background: var(--cyan); box-shadow: 0 0 6px var(--cyan); }
  .device-box .device-body span { margin-left: auto; font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; color: var(--muted); }

  /* 笔记本：屏 + 键盘面 */
  .device-laptop .device-screen { aspect-ratio: 16 / 10; border-radius: var(--r-md) var(--r-md) 0 0; }
  .device-laptop .device-base { height: 14px; margin: 0 -4% ; background: linear-gradient(#1B2636, #121B2A); border-radius: 0 0 var(--r-md) var(--r-md); border: 1px solid var(--line-strong); border-top: 0; position: relative; }
  .device-laptop .device-base::after { content: ""; position: absolute; left: 50%; top: 0; width: 18%; height: 4px; transform: translateX(-50%); background: #0A1019; border-radius: 0 0 var(--r-xs) var(--r-xs); }

  .device-caption { display: flex; justify-content: space-between; gap: var(--s-3); font-family: var(--font-mono); font-size: var(--t-xs); letter-spacing: .08em; color: var(--muted); padding-top: var(--s-1); }
  .device-caption b { color: var(--text); font-weight: 600; }

  /* 线框占位的通用描边 */
  .wf { color: var(--muted); }
  .wf .wf-line { stroke: currentColor; stroke-opacity: .35; fill: none; stroke-width: 1; }
  .wf .wf-fill { fill: currentColor; fill-opacity: .08; }
  .wf .wf-panel { fill: #0D1420; stroke: currentColor; stroke-opacity: .25; }
  .wf .wf-cyan { stroke: var(--cyan); fill: none; stroke-width: 1.5; }
  .wf .wf-cyan-dot { fill: var(--cyan); }
  .wf .wf-amber-dot { fill: var(--amber); }
  .wf .wf-amber { stroke: var(--amber); fill: none; stroke-width: 1.5; }
  .wf .wf-ok { fill: var(--ok); }
  .wf text { font-family: var(--font-mono); font-size: 7px; fill: currentColor; fill-opacity: .7; letter-spacing: .05em; }
  .wf .wf-grid { stroke: currentColor; stroke-opacity: .07; stroke-width: .5; }
}