补充主题静态资源与归档模板

assets/css/frontend/overlay-primitives.css

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+/**
+ * AKSRT Overlay / Glass Primitives
+ *
+ * Provides backdrop-filter glass surfaces used by header, footer-tabbar,
+ * floating buttons and search overlays — matching zibll's blur system.
+ *
+ * @package AKSRT
+ */
+
+/* ============================================================
+ * .aksrt-blur-bg — generic glass surface
+ * Use on any element that needs a translucent blurred background.
+ * ============================================================ */
+.aksrt-blur-bg {
+  -webkit-backdrop-filter: saturate(5) blur(20px);
+  backdrop-filter: saturate(5) blur(20px);
+  background: var(--blur-bg);
+}
+
+/* ============================================================
+ * Glass on site-nav (when using fixed/sticky mode)
+ * Applied via .site-nav--blur already; this adds the zibll-grade
+ * saturate(5) blur(20px) instead of the lighter saturate(1.5) blur(18px).
+ * ============================================================ */
+.site-nav--glass {
+  -webkit-backdrop-filter: saturate(5) blur(20px);
+  backdrop-filter: saturate(5) blur(20px);
+  background: var(--blur-bg);
+  border-bottom-color: transparent;
+}
+
+.site-nav--glass.is-scrolled {
+  box-shadow: 0 4px 10px rgba(20, 28, 48, 0.06);
+  border-bottom-color: var(--color-line-soft);
+}
+
+html.dark .site-nav--glass.is-scrolled,
+html.dark .site-nav--glass.is-scrolled {
+  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
+}
+
+/* ============================================================
+ * Glass on footer-tabbar (already uses backdrop-filter in footer.css;
+ * this class can be toggled to match zibll's exact blur spec)
+ * ============================================================ */
+.footer-tabbar--glass {
+  -webkit-backdrop-filter: saturate(5) blur(20px);
+  backdrop-filter: saturate(5) blur(20px);
+  background: var(--blur-bg);
+  box-shadow: 0 -4px 5px rgba(20, 28, 48, 0.06);
+}
+
+html.dark .footer-tabbar--glass,
+html.dark .footer-tabbar--glass {
+  box-shadow: 0 -4px 5px rgba(0, 0, 0, 0.25);
+}
+
+/* ============================================================
+ * Glass on floating buttons (lighter blur: saturate(2) blur(10px))
+ * ============================================================ */
+.float-right--glass .float-btn {
+  -webkit-backdrop-filter: saturate(2) blur(10px);
+  backdrop-filter: saturate(2) blur(10px);
+  background: var(--float-btn-bg);
+  border-color: transparent;
+}
+
+/* ============================================================
+ * Scroll shadow on glass header (zibll: .body-scroll .header)
+ * ============================================================ */
+body.has-scrolled .site-nav--glass {
+  box-shadow: 0 4px 10px rgba(20, 28, 48, 0.06);
+}
+
+html.dark body.has-scrolled .site-nav--glass,
+html.dark body.has-scrolled .site-nav--glass {
+  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
+}