总览周几：工作日绿色、周末红色。

Co-authored-by: Cursor <cursoragent@cursor.com>

static/hub.js

@@ -628,6 +628,7 @@
       const y = Number(get("year"));
       const m = Number(get("month"));
       const d = Number(get("day"));
+      const weekdayIndex = new Date(Date.UTC(y, m - 1, d)).getUTCDay();
       return {
         time:
           get("year") +
@@ -641,7 +642,8 @@
           get("minute") +
           ":" +
           get("second"),
-        weekday: WEEKDAYS[new Date(Date.UTC(y, m - 1, d)).getUTCDay()] || "",
+        weekdayIndex: weekdayIndex,
+        weekday: WEEKDAYS[weekdayIndex] || "",
         lunar: solarToLunarText(y, m, d),
       };
     } catch (e) {
@@ -667,6 +669,7 @@
           p(bj.getMinutes()) +
           ":" +
           p(bj.getSeconds()),
+        weekdayIndex: bj.getDay(),
         weekday: WEEKDAYS[bj.getDay()] || "",
         lunar: solarToLunarText(y, m, d),
       };
@@ -681,12 +684,13 @@
     el.setAttribute("datetime", parts.time.replace(" ", "T") + "+08:00");
     const meta = document.getElementById("overview-bj-meta");
     if (meta) {
-      const bits = [parts.weekday, parts.lunar].filter(Boolean);
+      const weekend = parts.weekdayIndex === 0 || parts.weekdayIndex === 6;
+      const wdClass = weekend ? "is-weekend" : "is-weekday";
       meta.innerHTML =
-        '<span class="overview-bj-weekday">' +
-        bits[0] +
-        "</span>" +
-        (bits[1] ? '<span class="overview-bj-lunar">' + bits[1] + "</span>" : "");
+        (parts.weekday
+          ? '<span class="overview-bj-weekday ' + wdClass + '">' + parts.weekday + "</span>"
+          : "") +
+        (parts.lunar ? '<span class="overview-bj-lunar">' + parts.lunar + "</span>" : "");
     }
   }