diff --git a/Cargo.lock b/Cargo.lock
index 9da33e8..0e263d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8459,7 +8459,7 @@ dependencies = [
 [[package]]
 name = "servo"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "accesskit",
  "arboard",
@@ -8523,7 +8523,7 @@ dependencies = [
 [[package]]
 name = "servo-allocator"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "libc",
  "tikv-jemalloc-sys",
@@ -8534,7 +8534,7 @@ dependencies = [
 [[package]]
 name = "servo-background-hang-monitor"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "backtrace",
  "crossbeam-channel",
@@ -8549,7 +8549,7 @@ dependencies = [
 [[package]]
 name = "servo-background-hang-monitor-api"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "serde",
  "servo-base",
@@ -8558,7 +8558,7 @@ dependencies = [
 [[package]]
 name = "servo-base"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "accesskit",
  "crossbeam-channel",
@@ -8583,7 +8583,7 @@ dependencies = [
 [[package]]
 name = "servo-canvas"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "bytemuck",
  "crossbeam-channel",
@@ -8608,7 +8608,7 @@ dependencies = [
 [[package]]
 name = "servo-canvas-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "crossbeam-channel",
  "euclid",
@@ -8630,7 +8630,7 @@ dependencies = [
 [[package]]
 name = "servo-config"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "num_enum",
  "serde",
@@ -8643,7 +8643,7 @@ dependencies = [
 [[package]]
 name = "servo-config-macro"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -8654,7 +8654,7 @@ dependencies = [
 [[package]]
 name = "servo-constellation"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "accesskit",
  "backtrace",
@@ -8698,7 +8698,7 @@ dependencies = [
 [[package]]
 name = "servo-constellation-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "base64",
  "content-security-policy",
@@ -8733,7 +8733,7 @@ dependencies = [
 [[package]]
 name = "servo-default-resources"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "servo-embedder-traits",
 ]
@@ -8741,7 +8741,7 @@ dependencies = [
 [[package]]
 name = "servo-deny-public-fields"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "proc-macro2",
  "syn 2.0.117",
@@ -8751,7 +8751,7 @@ dependencies = [
 [[package]]
 name = "servo-devtools"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "atomic_refcell",
  "base64",
@@ -8781,7 +8781,7 @@ dependencies = [
 [[package]]
 name = "servo-devtools-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "http 1.4.0",
  "malloc_size_of_derive",
@@ -8798,7 +8798,7 @@ dependencies = [
 [[package]]
 name = "servo-dom-struct"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -8809,7 +8809,7 @@ dependencies = [
 [[package]]
 name = "servo-embedder-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "accesskit",
  "bitflags 2.11.1",
@@ -8843,7 +8843,7 @@ dependencies = [
 [[package]]
 name = "servo-fonts"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "app_units",
  "bitflags 2.11.1",
@@ -8900,7 +8900,7 @@ dependencies = [
 [[package]]
 name = "servo-fonts-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "atomic_refcell",
  "dwrote",
@@ -8924,7 +8924,7 @@ dependencies = [
 [[package]]
 name = "servo-geometry"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "app_units",
  "euclid",
@@ -8937,7 +8937,7 @@ dependencies = [
 [[package]]
 name = "servo-hyper-serde"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "cookie 0.18.1",
  "headers",
@@ -8951,7 +8951,7 @@ dependencies = [
 [[package]]
 name = "servo-jstraceable-derive"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "proc-macro2",
  "syn 2.0.117",
@@ -8961,7 +8961,7 @@ dependencies = [
 [[package]]
 name = "servo-layout"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "accesskit",
  "app_units",
@@ -9018,7 +9018,7 @@ dependencies = [
 [[package]]
 name = "servo-layout-api"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "app_units",
  "atomic_refcell",
@@ -9051,7 +9051,7 @@ dependencies = [
 [[package]]
 name = "servo-malloc-size-of"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "app_units",
  "atomic_refcell",
@@ -9094,7 +9094,7 @@ dependencies = [
 [[package]]
 name = "servo-media"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "servo-base",
  "servo-media-audio",
@@ -9107,7 +9107,7 @@ dependencies = [
 [[package]]
 name = "servo-media-audio"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "byte-slice-cast",
  "euclid",
@@ -9130,7 +9130,7 @@ dependencies = [
 [[package]]
 name = "servo-media-derive"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -9140,7 +9140,7 @@ dependencies = [
 [[package]]
 name = "servo-media-dummy"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "servo-base",
  "servo-media",
@@ -9154,7 +9154,7 @@ dependencies = [
 [[package]]
 name = "servo-media-ohos"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "crossbeam-channel",
  "libc",
@@ -9177,7 +9177,7 @@ dependencies = [
 [[package]]
 name = "servo-media-player"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "malloc_size_of_derive",
  "serde",
@@ -9190,7 +9190,7 @@ dependencies = [
 [[package]]
 name = "servo-media-streams"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "malloc_size_of_derive",
  "servo-malloc-size-of",
@@ -9200,7 +9200,7 @@ dependencies = [
 [[package]]
 name = "servo-media-thread"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "euclid",
  "ipc-channel",
@@ -9219,7 +9219,7 @@ dependencies = [
 [[package]]
 name = "servo-media-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "malloc_size_of_derive",
  "servo-malloc-size-of",
@@ -9228,7 +9228,7 @@ dependencies = [
 [[package]]
 name = "servo-media-webrtc"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "log",
  "servo-media-streams",
@@ -9238,7 +9238,7 @@ dependencies = [
 [[package]]
 name = "servo-metrics"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "malloc_size_of_derive",
  "servo-base",
@@ -9253,7 +9253,7 @@ dependencies = [
 [[package]]
 name = "servo-net"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "async-compression",
  "async-recursion",
@@ -9323,7 +9323,7 @@ dependencies = [
 [[package]]
 name = "servo-net-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "content-security-policy",
  "cookie 0.18.1",
@@ -9363,7 +9363,7 @@ dependencies = [
 [[package]]
 name = "servo-paint"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "bitflags 2.11.1",
  "crossbeam-channel",
@@ -9400,7 +9400,7 @@ dependencies = [
 [[package]]
 name = "servo-paint-api"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "bitflags 2.11.1",
  "crossbeam-channel",
@@ -9435,7 +9435,7 @@ dependencies = [
 [[package]]
 name = "servo-pixels"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "euclid",
  "image",
@@ -9450,7 +9450,7 @@ dependencies = [
 [[package]]
 name = "servo-profile"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "libc",
  "log",
@@ -9468,7 +9468,7 @@ dependencies = [
 [[package]]
 name = "servo-profile-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "crossbeam-channel",
  "ipc-channel",
@@ -9484,7 +9484,7 @@ dependencies = [
 [[package]]
 name = "servo-script"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "aes 0.9.1",
  "aes-gcm",
@@ -9624,7 +9624,7 @@ dependencies = [
 [[package]]
 name = "servo-script-bindings"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "bitflags 2.11.1",
  "crossbeam-channel",
@@ -9663,7 +9663,7 @@ dependencies = [
 [[package]]
 name = "servo-script-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "accesskit",
  "crossbeam-channel",
@@ -9697,7 +9697,7 @@ dependencies = [
 [[package]]
 name = "servo-storage"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "libc",
  "log",
@@ -9722,7 +9722,7 @@ dependencies = [
 [[package]]
 name = "servo-storage-traits"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "malloc_size_of_derive",
  "serde",
@@ -9736,7 +9736,7 @@ dependencies = [
 [[package]]
 name = "servo-timers"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "crossbeam-channel",
  "malloc_size_of_derive",
@@ -9746,7 +9746,7 @@ dependencies = [
 [[package]]
 name = "servo-tracing"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -9756,7 +9756,7 @@ dependencies = [
 [[package]]
 name = "servo-url"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "encoding_rs",
  "malloc_size_of_derive",
@@ -9770,7 +9770,7 @@ dependencies = [
 [[package]]
 name = "servo-wakelock"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "serde",
  "servo-embedder-traits",
@@ -9779,7 +9779,7 @@ dependencies = [
 [[package]]
 name = "servo-webgl"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "bitflags 2.11.1",
  "byteorder",
@@ -9803,7 +9803,7 @@ dependencies = [
 [[package]]
 name = "servo-webxr-api"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "euclid",
  "ipc-channel",
@@ -9819,7 +9819,7 @@ dependencies = [
 [[package]]
 name = "servo-xpath"
 version = "0.4.0"
-source = "git+https://github.com/servo/servo.git?rev=a87625150758fe91a29e7f6553ff2f798b87027e#a87625150758fe91a29e7f6553ff2f798b87027e"
+source = "git+https://github.com/ZacharyZhang-NY/servo.git?rev=8f6850ceb0bd92aea4127d8078ebb2c0485e7f39#8f6850ceb0bd92aea4127d8078ebb2c0485e7f39"
 dependencies = [
  "log",
  "malloc_size_of_derive",
diff --git a/Cargo.toml b/Cargo.toml
index b69b695..8fc83f8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ hpke = { version = "0.14.0", default-features = false, features = ["alloc", "cha
 image = "0.25.10"
 keyring-core = "1.0.0"
 rustix = "1.1.4"
-servo = { version = "0.4.0", git = "https://github.com/servo/servo.git", rev = "a87625150758fe91a29e7f6553ff2f798b87027e" }
+servo = { version = "0.4.0", git = "https://github.com/ZacharyZhang-NY/servo.git", rev = "8f6850ceb0bd92aea4127d8078ebb2c0485e7f39" }
 sha2 = "0.10.9"
 semver = "1.0.28"
 serde = { version = "1.0.228", features = ["derive"] }
diff --git a/agents.md b/agents.md
index d9bba50..b0fb10a 100644
--- a/agents.md
+++ b/agents.md
@@ -93,6 +93,11 @@ Real and verified:
   frames from the active render epoch remain presentable while newer input is
   queued. Clicks, text, and allow-once permission transfers retain strict
   ordering. Verified by generation, blocked-worker burst, and live-site tests.
+- macOS font fallback: CoreText selects a style- and language-compatible system
+  font before Servo's static fallback list, preserving sans-serif CJK and
+  Devanagari typography while retaining serif Chinese. Verified against
+  PingFang SC, Hiragino Sans, Apple SD Gothic Neo, Kohinoor Devanagari, and
+  Songti SC with real Servo canvas pixels.
 - Website color scheme: resolved System/Light/Dark state crosses sidecar
   protocol v4 and reaches `WebView::notify_theme_change`; GPUI appearance
   events trigger a shell repaint, and first-navigation WebView replacement
diff --git a/crates/ely_servo_host/tests/macos_font_fallback.rs b/crates/ely_servo_host/tests/macos_font_fallback.rs
new file mode 100644
index 0000000..41106e2
--- /dev/null
+++ b/crates/ely_servo_host/tests/macos_font_fallback.rs
@@ -0,0 +1,114 @@
+#![cfg(all(feature = "servo-engine", target_os = "macos"))]
+
+use std::{error::Error, thread, time::Duration};
+
+use ely_domain::{ProfileId, TabId, UrlText};
+use ely_servo_host::{
+    NavigationRequest, ServoHost, ServoSurfaceSize, SoftwareServoHost, WebViewState,
+};
+
+const EXPECTED_PASS_COLOR: [u8; 3] = [31, 143, 76];
+
+#[test]
+fn macos_fallback_preserves_css_family_style_and_language() -> Result<(), Box<dyn Error>> {
+    let mut host = SoftwareServoHost::new(ServoSurfaceSize::new(320, 240))?;
+    let tab_id = TabId::new();
+    let profile_id = ProfileId::new();
+    let webview_id = host.create_webview(tab_id.clone(), profile_id)?;
+
+    host.navigate(NavigationRequest {
+        webview_id: webview_id.clone(),
+        tab_id,
+        url: UrlText::parse(font_probe_url())?,
+    })?;
+
+    for _ in 0..5_000 {
+        host.tick();
+        let snapshot = host.snapshot(&webview_id)?;
+        if snapshot.has_pending_frame() {
+            host.paint(&webview_id)?;
+        }
+
+        let snapshot = host.snapshot(&webview_id)?;
+        if snapshot.state() == &WebViewState::Complete
+            && host
+                .last_rendered_frame()
+                .is_ok_and(|frame| center_pixel_rgb(&frame) == EXPECTED_PASS_COLOR)
+        {
+            return Ok(());
+        }
+        thread::sleep(Duration::from_millis(2));
+    }
+
+    let actual = host.last_rendered_frame().map(|frame| center_pixel_rgb(&frame));
+    let title = host.snapshot(&webview_id)?.title().map(str::to_owned);
+    Err(format!(
+        "macOS font fallback probe failed with center pixel {actual:?} and title {title:?}"
+    )
+    .into())
+}
+
+fn font_probe_url() -> String {
+    let html = r#"<!doctype html>
+<html><head><meta charset="utf-8"><title>starting</title><style>
+html,body{margin:0;width:100%;height:100%;background:rgb(181,37,46)}
+canvas{position:absolute;left:-10000px;top:-10000px}
+</style></head><body><script>
+try {
+const cases = [
+  ['zh-Hans', '搜索中文', '48px Arial, sans-serif', "48px 'PingFang SC'"],
+  ['ja', '日本語検索', '48px Arial, sans-serif', "48px 'Hiragino Sans'"],
+  ['ko', '한국어검색', '48px Arial, sans-serif', "48px 'Apple SD Gothic Neo'"],
+  ['hi', 'हिन्दी', '48px Arial, sans-serif', "48px 'Kohinoor Devanagari'"],
+  ['zh-Hans', '搜索中文', '48px Times New Roman, serif', "48px 'Songti SC'"]
+];
+function pixels(lang, text, font) {
+  const canvas = document.createElement('canvas');
+  canvas.lang = lang;
+  canvas.width = 512;
+  canvas.height = 96;
+  document.body.appendChild(canvas);
+  const context = canvas.getContext('2d');
+  context.fillStyle = 'black';
+  context.font = font;
+  context.fillText(text, 8, 64);
+  return context.getImageData(0, 0, canvas.width, canvas.height).data;
+}
+function equal(left, right) {
+  if (left.length !== right.length) return false;
+  for (let index = 0; index < left.length; index++) {
+    if (left[index] !== right[index]) return false;
+  }
+  return true;
+}
+const results = cases.map(([lang, text, requested, expected]) =>
+  equal(pixels(lang, text, requested), pixels(lang, text, expected))
+);
+const passed = results.every(Boolean);
+document.title = results.map((result, index) => `${index}:${result}`).join(',');
+document.body.style.background = passed ? 'rgb(31,143,76)' : 'rgb(181,37,46)';
+} catch (error) {
+  document.title = `${error.name}:${error.message}`;
+  document.body.style.background = 'rgb(181,37,46)';
+}
+</script></body></html>"#;
+    format!("data:text/html,{}", percent_encode(html))
+}
+
+fn percent_encode(value: &str) -> String {
+    value
+        .bytes()
+        .map(|byte| match byte {
+            b'A'..=b'Z' | b'a'..=b'z' | b'0'..=b'9' | b'-' | b'_' | b'.' | b'~' => {
+                (byte as char).to_string()
+            }
+            _ => format!("%{byte:02X}"),
+        })
+        .collect()
+}
+
+fn center_pixel_rgb(frame: &ely_servo_host::RenderedFrame) -> [u8; 3] {
+    let index = (((frame.height() / 2) * frame.width() + frame.width() / 2) * 4) as usize;
+    let rgba = &frame.rgba_bytes()[index..index + 4];
+    [rgba[0], rgba[1], rgba[2]]
+}
diff --git a/docs/servo-embedding-architecture.md b/docs/servo-embedding-architecture.md
index 8043ce3..9a7a709 100644
--- a/docs/servo-embedding-architecture.md
+++ b/docs/servo-embedding-architecture.md
@@ -109,8 +109,10 @@ The integration gates prove these invariants with real Servo networking:
 
 ## Upstream Servo Route
 
-ELY pins Servo upstream commit `a87625150758fe91a29e7f6553ff2f798b87027e`, workspace version
-`0.4.0`, in `Cargo.toml` and `Cargo.lock`.
+ELY pins fork commit `8f6850ceb0bd92aea4127d8078ebb2c0485e7f39`, based on Servo upstream
+commit `a87625150758fe91a29e7f6553ff2f798b87027e`, workspace version `0.4.0`, in
+`Cargo.toml` and `Cargo.lock`. The fork moves macOS CoreText fallback ahead of Servo's static
+fallback-family list so the first CSS font preserves its serif or sans-serif cascade and language.
 
 Servo's rendering lifecycle remains authoritative inside each sidecar:
 
@@ -129,6 +131,8 @@ Relevant upstream evidence at the pinned revision:
 - `ports/servoshell/window.rs` repaints with `webview.paint()` and presents the context.
 - `ports/servoshell/running_app_state.rs` maps `notify_new_frame_ready` to repaint scheduling.
 - `components/paint/paint.rs` owns one WebRender painter per rendering context.
+- `components/fonts/font.rs` asks CoreText for a style- and language-compatible macOS fallback
+  before consulting the cross-platform fallback-family list.
 
 ## Ownership