图片来源与许可

ccace-observatory-hero.webp
Y. Beletsky (LCO)/ESO — La Silla telescope by night
https://www.eso.org/public/images/beletsky_lasilla_22/
ESO CC BY 4.0: https://www.eso.org/public/outreach/copyright/
处理：等比例缩小至2400px宽，WebP压缩；网页按容器比例适配。

设备场景图片：Unsplash许可 https://unsplash.com/license
均为独立原始照片，等比例缩小、转换为真实WebP；非客户端截图。

ccace-connection-status.webp — 电脑与显示器工作空间
https://images.unsplash.com/photo-1484788984921-03950022c9ef

ccace-route-selection.webp — 有线网络设备与线缆
https://images.unsplash.com/photo-1544197150-b99a580bb7a8

ccace-latency-guide.webp — 桌面电脑使用场景
https://images.unsplash.com/photo-1516321318423-f06f85e504b3

ccace-device-guide.webp — 多人使用电脑与移动设备的工作环境
https://images.unsplash.com/photo-1519389950473-47ba0277781c

ccace-about.webp — 明亮的资料编辑工作空间
https://images.unsplash.com/photo-1527689368864-3a821dbccc34

observatory/windows-tcp-monitor.webp — 桌面笔记本电脑与键盘
https://images.unsplash.com/photo-1588872657578-7efd1f1555ed

observatory/android-data-saver.webp — Android智能手机的正面
https://images.unsplash.com/photo-1511707171634-5f897ff02aa9

observatory/macos-wifi-signal.webp — 桌面上的Mac笔记本电脑
https://images.unsplash.com/photo-1517336714731-489689fd1ca8

observatory/ios-vpn-on-demand.webp — iPhone手机设备
https://images.unsplash.com/photo-1592750475338-74b7b21085ab

observatory/tcp-reset-timeout.webp — 服务器机柜与网络连接设备
https://images.unsplash.com/photo-1558494949-ef010cbdcc31

observatory/device-config-diff.webp — 桌面电脑、笔记本与移动设备的对照工作区
https://images.unsplash.com/photo-1498049794561-7780e7231661

Karing几何K观测轨迹标志由本项目绘制。