:root{--sonde-sky: #0e1726;--sonde-sky-deep: #0b1420;--sonde-panel: #101d2e;--sonde-panel-2: #132539;--sonde-ice: #7fd1e8;--sonde-ice-dim: #2f6f88;--sonde-beacon: #ffc857;--sonde-chalk: #e8f1f8;--sonde-hairline: rgba(127, 209, 232, .16);--sonde-hairline-strong: rgba(127, 209, 232, .34);--sonde-glow: inset 0 0 0 1px rgba(127, 209, 232, .09), 0 0 26px rgba(127, 209, 232, .05);--sonde-radius: 10px;--sonde-radius-sm: 6px;--sonde-step: 22px;--sonde-head: "Space Grotesk", "Inter", system-ui, sans-serif;--sonde-text: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--sonde-cjk: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", 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