diff --git a/.github/check-scripts/check_code_focus.py b/.github/check-scripts/check_code_focus.py
deleted file mode 100644
index 32bfd189..00000000
--- a/.github/check-scripts/check_code_focus.py
+++ /dev/null
@@ -1,105 +0,0 @@
-# Validate that lines covered by // [!code focus:N] form valid JSONC when wrapped in {}.
-import re
-import sys
-from pathlib import Path
-
-FOCUS_RE = re.compile(r"//\s*\[!code focus:(\d+)\]")
-CODEBLOCK_START = re.compile(r"^```json\w*")
-CODEBLOCK_END = re.compile(r"^```\s*$")
-
-
-def strip_jsonc_comments(text: str) -> str:
-    result = []
-    for line in text.splitlines():
-        stripped = line.lstrip()
-        if stripped.startswith("//"):
-            continue
-        if "//" in line:
-            in_str = False
-            escape = False
-            cut = -1
-            for i, ch in enumerate(line):
-                if escape:
-                    escape = False
-                    continue
-                if ch == "\\":
-                    escape = True
-                    continue
-                if ch == '"':
-                    in_str = not in_str
-                if not in_str and line[i : i + 2] == "//":
-                    cut = i
-                    break
-            if cut >= 0:
-                line = line[:cut]
-        result.append(line)
-    return "\n".join(result)
-
-
-def validate_jsonc(fragment: str) -> str | None:
-    import json
-
-    cleaned = strip_jsonc_comments(fragment)
-    wrapped = "{\n" + cleaned + "\n}"
-    try:
-        json.loads(wrapped)
-        return None
-    except json.JSONDecodeError as e:
-        return str(e)
-
-
-def check_file(path: Path) -> list[str]:
-    errors = []
-    lines = path.read_text(encoding="utf-8").splitlines()
-    in_json_block = False
-
-    for i, line in enumerate(lines):
-        stripped = line.strip()
-        if CODEBLOCK_START.match(stripped):
-            in_json_block = True
-            continue
-        if CODEBLOCK_END.match(stripped):
-            in_json_block = False
-            continue
-        if not in_json_block:
-            continue
-
-        m = FOCUS_RE.search(line)
-        if not m:
-            continue
-
-        n = int(m.group(1))
-        start = i + 1
-        end = min(start + n, len(lines))
-        fragment = "\n".join(lines[start:end])
-        err = validate_jsonc(fragment)
-        if err:
-            rel = path.as_posix()
-            errors.append(f"  {rel}:{i + 1}  focus:{n}  {err}")
-
-    return errors
-
-
-def main() -> int:
-    docs_root = Path.cwd()
-    all_errors: list[str] = []
-
-    for md in sorted(docs_root.rglob("*.md")):
-        text = md.read_text(encoding="utf-8")
-        if "[!code focus:" not in text:
-            continue
-        errs = check_file(md)
-        all_errors.extend(errs)
-
-    if all_errors:
-        print(f"Found {len(all_errors)} invalid focus block(s):\n")
-        for e in all_errors:
-            print(e)
-        return 1
-
-    print("All focus blocks are valid JSONC.")
-    return 0
-
-
-if __name__ == "__main__":
-    sys.exit(main())
diff --git a/.github/workflows/postcheck.yml b/.github/workflows/postcheck.yml
index b4a0efa5..2d1dd521 100644
--- a/.github/workflows/postcheck.yml
+++ b/.github/workflows/postcheck.yml
@@ -3,12 +3,6 @@ name: Post Check
 on: [push, pull_request]
 
 jobs:
-  check-focus:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v7
-      - run: python .github/check-scripts/check_code_focus.py
-
   check-json:
     runs-on: ubuntu-latest
     steps:
diff --git a/.vitepress/config.mts b/.vitepress/config.mts
index ab1e0839..357fc440 100644
--- a/.vitepress/config.mts
+++ b/.vitepress/config.mts
@@ -1,6 +1,7 @@
 import { defineConfig } from "vitepress"
 import llmstxt from "vitepress-plugin-llms"
 import { MermaidMarkdown, MermaidPlugin } from "vitepress-plugin-mermaid"
+import { fieldFocusPlugin } from "./plugins/field-focus.mts"
 
 import { nav as nav } from "./menus/nav.mts"
 import { nav as nav_en } from "./menus/nav.en.mts"
@@ -52,8 +53,9 @@ export default defineConfig({
 
     attrs: { left: "{:" },
 
-    config(md) {
+    config(md: { use: Function }) {
       md.use(MermaidMarkdown)
+      md.use(fieldFocusPlugin)
     }
   },
   vite: {
@@ -80,7 +82,7 @@ export default defineConfig({
         detailedView: true,
         miniSearch: {
           options: {
-            tokenize: (str) => str.split(/[\s,，。、]+/)
+            tokenize: (str: string) => str.split(/[\s,，。、]+/)
           }
         },
         translations: {
@@ -163,7 +165,7 @@ export default defineConfig({
           options: {
             miniSearch: {
               options: {
-                tokenize: (str) =>
+                tokenize: (str: string) =>
                   str
                     .split(/[\s.,;!?'"(){}[\]\-_+=&%$#@~`^<>|\\]+/)
                     .filter(Boolean)
@@ -235,7 +237,8 @@ export default defineConfig({
           options: {
             miniSearch: {
               options: {
-                tokenize: (str) => str.match(/[\p{L}\p{N}]+/gu) ?? []
+                tokenize: (str: string) =>
+                  str.match(/[\p{L}\p{N}]+/gu) ?? []
               }
             },
             translations: {
diff --git a/.vitepress/plugins/field-focus.mts b/.vitepress/plugins/field-focus.mts
new file mode 100644
index 00000000..5a76ab43
--- /dev/null
+++ b/.vitepress/plugins/field-focus.mts
@@ -0,0 +1,98 @@
+// .vitepress/plugins/field-focus.mts
+//
+// markdown-it plugin: replaces  // [!field focus]  with  // [!code focus:N]
+// inside ```json fenced blocks.  N is auto-calculated by bracket-matching
+// the JSON field that starts on the very next line.
+
+const FIELD_FOCUS = /^(\s*)\/\/\s*\[!field\s+focus\]\s*$/
+
+export function fieldFocusPlugin(md: {
+  core: { ruler: { push: Function } }
+}): void {
+  md.core.ruler.push(
+    "field_focus",
+    (state: {
+      tokens: { type: string; info: string; content: string }[]
+    }) => {
+      for (const token of state.tokens) {
+        if (token.type !== "fence") continue
+        if (!/^json\b/.test(token.info.trim())) continue
+        token.content = rewriteFieldFocus(token.content)
+      }
+    }
+  )
+}
+
+/** Scan a code-block string, replacing every `// [!field focus]` line. */
+function rewriteFieldFocus(src: string): string {
+  const lines = src.split("\n")
+  const out: string[] = []
+
+  for (let i = 0; i < lines.length; i++) {
+    const m = FIELD_FOCUS.exec(lines[i])
+    if (!m) {
+      out.push(lines[i])
+      continue
+    }
+    const n = countFieldSpan(lines, i + 1)
+    out.push(`${m[1]}// [!code focus:${n}]`)
+  }
+
+  return out.join("\n")
+}
+
+/**
+ * Starting from `lines[start]`, find the first `{` or `[` (outside strings
+ * and // comments), then count lines until the matching `}` or `]`.
+ * Returns 1 when the line contains only a simple value (no bracket).
+ */
+function countFieldSpan(lines: string[], start: number): number {
+  if (start >= lines.length) return 1
+
+  let depth = 0
+  let started = false
+
+  for (let i = start; i < lines.length; i++) {
+    const line = lines[i]
+    let inStr = false
+    let skip = false
+
+    for (let j = 0; j < line.length; j++) {
+      if (skip) {
+        skip = false
+        continue
+      }
+
+      const ch = line[j]
+
+      if (inStr) {
+        if (ch === "\\") {
+          skip = true
+          continue
+        }
+        if (ch === '"') inStr = false
+        continue
+      }
+
+      if (ch === '"') {
+        inStr = true
+        continue
+      }
+
+      // JSONC line comment — skip rest of line
+      if (ch === "/" && j + 1 < line.length && line[j + 1] === "/") break
+
+      if (ch === "{" || ch === "[") {
+        depth++
+        started = true
+      } else if (ch === "}" || ch === "]") {
+        depth--
+      }
+    }
+
+    if (started && depth <= 0) return i - start + 1
+  }
+
+  // No brackets found → simple value field, 1 line
+  return started ? lines.length - start : 1
+}
diff --git a/docs/config/fakedns.md b/docs/config/fakedns.md
index 72f9bdbf..19357fa8 100644
--- a/docs/config/fakedns.md
+++ b/docs/config/fakedns.md
@@ -133,7 +133,7 @@ FakeDNS 本质上是一个 [DNS 服务器](./dns.md#serverobject)，能够与任
   "inbounds": [
     {
       // ...
-      // [!code focus:5]
+      // [!field focus]
       "sniffing": {
         "enabled": true,
         "destOverride": ["fakedns"], // 使用 "fakedns"，或与其它 sniffer 搭配使用
diff --git a/docs/config/inbounds/http.md b/docs/config/inbounds/http.md
index 980ec95c..8df50dae 100644
--- a/docs/config/inbounds/http.md
+++ b/docs/config/inbounds/http.md
@@ -30,7 +30,7 @@ HTTP 协议。
     {
       // ...
       "protocol": "http",
-      // [!code focus:10]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/config/inbounds/hysteria.md b/docs/config/inbounds/hysteria.md
index 26ca652c..bc96dd95 100644
--- a/docs/config/inbounds/hysteria.md
+++ b/docs/config/inbounds/hysteria.md
@@ -14,7 +14,7 @@
     {
       // ...
       "protocol": "hysteria",
-      // [!code focus:10]
+      // [!field focus]
       "settings": {
         "version": 2,
         "users": [
diff --git a/docs/config/inbounds/shadowsocks.md b/docs/config/inbounds/shadowsocks.md
index 226b5ef0..df139e4e 100644
--- a/docs/config/inbounds/shadowsocks.md
+++ b/docs/config/inbounds/shadowsocks.md
@@ -32,7 +32,7 @@ Shadowsocks 2022 新协议格式提升了性能并带有完整的重放保护，
     {
       // ...
       "protocol": "shadowsocks",
-      // [!code focus:13]
+      // [!field focus]
       "settings": {
         "network": "tcp,udp",
         "method": "aes-256-gcm",
diff --git a/docs/config/inbounds/socks.md b/docs/config/inbounds/socks.md
index 0264a51b..c9f12407 100644
--- a/docs/config/inbounds/socks.md
+++ b/docs/config/inbounds/socks.md
@@ -18,7 +18,7 @@
     {
       // ...
       "protocol": "socks",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "auth": "noauth",
         "users": [
diff --git a/docs/config/inbounds/trojan.md b/docs/config/inbounds/trojan.md
index ff59d304..c4c2bdd3 100644
--- a/docs/config/inbounds/trojan.md
+++ b/docs/config/inbounds/trojan.md
@@ -12,7 +12,7 @@
     {
       // ...
       "protocol": "trojan",
-      // [!code focus:14]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/config/inbounds/tun.md b/docs/config/inbounds/tun.md
index 06b272dd..82e49ee3 100644
--- a/docs/config/inbounds/tun.md
+++ b/docs/config/inbounds/tun.md
@@ -16,7 +16,7 @@ Linux 可选使用该环境变量传入 TUN FD 以进行某些轻量化或非特
     {
       // ...
       "protocol": "tun",
-      // [!code focus:10]
+      // [!field focus]
       "settings": {
         "name": "utun10",
         "desc": "Wintun",
diff --git a/docs/config/inbounds/tunnel.md b/docs/config/inbounds/tunnel.md
index c24275c7..859ed672 100644
--- a/docs/config/inbounds/tunnel.md
+++ b/docs/config/inbounds/tunnel.md
@@ -12,7 +12,7 @@ Tunnel（隧道），旧称 dokodemo-door（任意门），可以监听数个本
     {
       // ...
       "protocol": "tunnel",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "allowedNetwork": "tcp",
         "rewriteAddress": "8.8.8.8",
diff --git a/docs/config/inbounds/vless.md b/docs/config/inbounds/vless.md
index 1b0b3d25..23d6d6aa 100644
--- a/docs/config/inbounds/vless.md
+++ b/docs/config/inbounds/vless.md
@@ -14,7 +14,7 @@ VLESS 是一个无状态的轻量传输协议，它分为入站和出站两部
     {
       // ...
       "protocol": "vless",
-      // [!code focus:18]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/config/inbounds/vmess.md b/docs/config/inbounds/vmess.md
index 7f815ee9..5a7c7aac 100644
--- a/docs/config/inbounds/vmess.md
+++ b/docs/config/inbounds/vmess.md
@@ -16,7 +16,7 @@ VMess 依赖于系统时间，请确保使用 Xray 的系统 UTC 时间误差在
     {
       // ...
       "protocol": "vmess",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/config/inbounds/wireguard.md b/docs/config/inbounds/wireguard.md
index 3698d525..e1e591c3 100644
--- a/docs/config/inbounds/wireguard.md
+++ b/docs/config/inbounds/wireguard.md
@@ -16,7 +16,7 @@
     {
       // ...
       "protocol": "wireguard",
-      // [!code focus:14]
+      // [!field focus]
       "settings": {
         "secretKey": "SERVER_PRIVATE_KEY",
         "peers": [
diff --git a/docs/config/outbounds/blackhole.md b/docs/config/outbounds/blackhole.md
index 6d793ab6..80b10db2 100644
--- a/docs/config/outbounds/blackhole.md
+++ b/docs/config/outbounds/blackhole.md
@@ -12,7 +12,7 @@ Blackhole（黑洞）是一个出站数据协议，它会阻碍所有数据的
     {
       // ...
       "protocol": "blackhole",
-      // [!code focus:5]
+      // [!field focus]
       "settings": {
         "response": {
           "type": "none"
diff --git a/docs/config/outbounds/dns.md b/docs/config/outbounds/dns.md
index af387f8e..fc42bf49 100644
--- a/docs/config/outbounds/dns.md
+++ b/docs/config/outbounds/dns.md
@@ -16,7 +16,7 @@ DNS 是一个出站协议，用于接收由 routing 送入的 DNS 查询，并
     {
       // ...
       "protocol": "dns",
-      // [!code focus:18]
+      // [!field focus]
       "settings": {
         "rewriteNetwork": "udp",
         "rewriteAddress": "1.1.1.1",
diff --git a/docs/config/outbounds/freedom.md b/docs/config/outbounds/freedom.md
index ff16fe01..e459db9d 100644
--- a/docs/config/outbounds/freedom.md
+++ b/docs/config/outbounds/freedom.md
@@ -16,7 +16,7 @@ Freedom 是一个直连出站协议，通常也是流量的终结点：它接收
     {
       // ...
       "protocol": "freedom",
-      // [!code focus:28]
+      // [!field focus]
       "settings": {
         "redirect": "127.0.0.1:3366",
         "userLevel": 0,
diff --git a/docs/config/outbounds/http.md b/docs/config/outbounds/http.md
index b0b3d259..126e6cb6 100644
--- a/docs/config/outbounds/http.md
+++ b/docs/config/outbounds/http.md
@@ -20,7 +20,7 @@ HTTP 协议。
     {
       // ...
       "protocol": "http",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "address": "192.168.108.1",
         "port": 3128,
diff --git a/docs/config/outbounds/hysteria.md b/docs/config/outbounds/hysteria.md
index 7be3f9dc..4aa7577a 100644
--- a/docs/config/outbounds/hysteria.md
+++ b/docs/config/outbounds/hysteria.md
@@ -18,7 +18,7 @@ Hysteria 协议的客户端实现。
     {
       // ...
       "protocol": "hysteria",
-      // [!code focus:5]
+      // [!field focus]
       "settings": {
         "version": 2,
         "address": "192.168.108.1",
diff --git a/docs/config/outbounds/loopback.md b/docs/config/outbounds/loopback.md
index 81724fe6..1d7c2e5b 100644
--- a/docs/config/outbounds/loopback.md
+++ b/docs/config/outbounds/loopback.md
@@ -27,7 +27,7 @@ Loopback 是一个环回出站，用于将流量重新送回 routing 处理，
     {
       // ...
       "protocol": "loopback",
-      // [!code focus:4]
+      // [!field focus]
       "settings": {
         "inboundTag": "TagUseAsInbound",
         "sniffing": {}
diff --git a/docs/config/outbounds/shadowsocks.md b/docs/config/outbounds/shadowsocks.md
index db7a414a..fbb7510a 100644
--- a/docs/config/outbounds/shadowsocks.md
+++ b/docs/config/outbounds/shadowsocks.md
@@ -32,7 +32,7 @@ Shadowsocks 2022 新协议格式提升了性能并带有完整的重放保护，
     {
       // ...
       "protocol": "shadowsocks",
-      // [!code focus:8]
+      // [!field focus]
       "settings": {
         "email": "love@xray.com",
         "address": "127.0.0.1",
diff --git a/docs/config/outbounds/socks.md b/docs/config/outbounds/socks.md
index 5fd122ad..b0085c64 100644
--- a/docs/config/outbounds/socks.md
+++ b/docs/config/outbounds/socks.md
@@ -16,7 +16,7 @@
     {
       // ...
       "protocol": "socks",
-      // [!code focus:8]
+      // [!field focus]
       "settings": {
         "address": "127.0.0.1",
         "port": 1234,
diff --git a/docs/config/outbounds/trojan.md b/docs/config/outbounds/trojan.md
index 948e8148..fd23866d 100644
--- a/docs/config/outbounds/trojan.md
+++ b/docs/config/outbounds/trojan.md
@@ -12,7 +12,7 @@
     {
       // ...
       "protocol": "trojan",
-      // [!code focus:7]
+      // [!field focus]
       "settings": {
         "address": "127.0.0.1",
         "port": 1234,
diff --git a/docs/config/outbounds/vless.md b/docs/config/outbounds/vless.md
index 63a9dc3c..a12c507a 100644
--- a/docs/config/outbounds/vless.md
+++ b/docs/config/outbounds/vless.md
@@ -14,7 +14,7 @@ VLESS 是一个无状态的轻量传输协议，它分为入站和出站两部
     {
       // ...
       "protocol": "vless",
-      // [!code focus:9]
+      // [!field focus]
       "settings": {
         "address": "example.com",
         "port": 443,
diff --git a/docs/config/outbounds/vmess.md b/docs/config/outbounds/vmess.md
index b9c2937b..93e105c0 100644
--- a/docs/config/outbounds/vmess.md
+++ b/docs/config/outbounds/vmess.md
@@ -16,7 +16,7 @@ VMess 依赖于系统时间，请确保使用 Xray 的系统 UTC 时间误差在
     {
       // ...
       "protocol": "vmess",
-      // [!code focus:8]
+      // [!field focus]
       "settings": {
         "address": "127.0.0.1",
         "port": 37192,
diff --git a/docs/config/outbounds/wireguard.md b/docs/config/outbounds/wireguard.md
index 1b74bd78..f4f404a3 100644
--- a/docs/config/outbounds/wireguard.md
+++ b/docs/config/outbounds/wireguard.md
@@ -16,7 +16,7 @@
     {
       // ...
       "protocol": "wireguard",
-      // [!code focus:20]
+      // [!field focus]
       "settings": {
         "secretKey": "CLIENT_PRIVATE_KEY",
         "address": ["10.0.0.1", "fd59:7153:2388:b5fd:0000:0000:0000:0001"],
diff --git a/docs/config/transport.md b/docs/config/transport.md
index 75bbbc0b..8138e817 100644
--- a/docs/config/transport.md
+++ b/docs/config/transport.md
@@ -24,7 +24,7 @@
   "outbounds": [
     {
       // ...
-      // [!code focus:18]
+      // [!field focus]
       "streamSettings": {
         // 传输方式
         "method": "raw",
diff --git a/docs/config/transports/finalmask.md b/docs/config/transports/finalmask.md
index 241f0c33..e0136fbb 100644
--- a/docs/config/transports/finalmask.md
+++ b/docs/config/transports/finalmask.md
@@ -15,7 +15,7 @@ FinalMask 在核心处理完包括 TLS/REALITY 在内的传输层加密后，对
     {
       // ...
       "streamSettings": {
-        // [!code focus:33]
+        // [!field focus]
         "finalmask": {
           "tcp": [
             {
@@ -62,7 +62,7 @@ FinalMask 在核心处理完包括 TLS/REALITY 在内的传输层加密后，对
 ```json
 {
   "finalmask": {
-    // [!code focus:6]
+    // [!field focus]
     "tcp": [
       {
         "type": "",
@@ -88,7 +88,7 @@ FinalMask 在核心处理完包括 TLS/REALITY 在内的传输层加密后，对
 ```json
 {
   "type": "header-custom",
-  // [!code focus:35]
+  // [!field focus]
   "settings": {
     "clients": [
       [
@@ -142,7 +142,7 @@ FinalMask 在核心处理完包括 TLS/REALITY 在内的传输层加密后，对
 ```json
 {
   "type": "fragment",
-  // [!code focus:6]
+  // [!field focus]
   "settings": {
     "packets": "tlshello",
     "lengths": ["3-5", "6-8", "10-20"],
@@ -175,7 +175,7 @@ FinalMask 在核心处理完包括 TLS/REALITY 在内的传输层加密后，对
 ```json
 {
   "type": "sudoku",
-  // [!code focus:10]
+  // [!field focus]
   "settings": {
     "password": "",
     "ascii": "",
@@ -198,7 +198,7 @@ FinalMask 在核心处理完包括 TLS/REALITY 在内的传输层加密后，对
 ```json
 {
   "finalmask": {
-    // [!code focus:6]
+    // [!field focus]
     "udp": [
       {
         "type": "",
@@ -226,7 +226,7 @@ FinalMask 在核心处理完包括 TLS/REALITY 在内的传输层加密后，对
 ```json
 {
   "type": "header-custom",
-  // [!code focus:18]
+  // [!field focus]
   "settings": {
     "client": [
       {
@@ -261,7 +261,7 @@ FinalMask 在核心处理完包括 TLS/REALITY 在内的传输层加密后，对
 ```json
 {
   "type": "mkcp-legacy",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "header": "", // dns dtls srtp utp wechat wireguard
     "value": "" // password domain
@@ -292,7 +292,7 @@ FinalMask 在核心处理完包括 TLS/REALITY 在内的传输层加密后，对
 ```json
 {
   "type": "noise",
-  // [!code focus:12]
+  // [!field focus]
   "settings": {
     "reset": "30-60",
     "noise": [
@@ -327,7 +327,7 @@ Salamander 混淆。（来自 Hysteria2）
 ```json
 {
   "type": "salamander",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "password": "your-password",
     "packetSize": "512-1200"
@@ -348,7 +348,7 @@ Salamander 混淆。（来自 Hysteria2）
 ```json
 {
   "type": "sudoku",
-  // [!code focus:10]
+  // [!field focus]
   "settings": {
     "password": "",
     "ascii": "",
@@ -379,7 +379,7 @@ Salamander 混淆。（来自 Hysteria2）
 ```json
 {
   "type": "xdns",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "domains": ["t.example.com"],
     "resolvers": ["t.example.com+udp://8.8.8.8:53"]
@@ -398,7 +398,7 @@ Salamander 混淆。（来自 Hysteria2）
 ```json
 {
   "type": "xicmp",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "dgram": false, // optional
     "ips": [] // optional
@@ -417,7 +417,7 @@ Salamander 混淆。（来自 Hysteria2）
 ```json
 {
   "type": "realm",
-  // [!code focus:8]
+  // [!field focus]
   "settings": {
     "url": "realm://public@xxx/your-realm-name",
     "stunServers": [
@@ -442,7 +442,7 @@ Salamander 混淆。（来自 Hysteria2）
 ```json
 {
   "finalmask": {
-    // [!code focus:19]
+    // [!field focus]
     "quicParams": {
       "congestion": "force-brutal",
       "bbrProfile": "standard",
diff --git a/docs/config/transports/grpc.md b/docs/config/transports/grpc.md
index 35fe17d4..f9902267 100644
--- a/docs/config/transports/grpc.md
+++ b/docs/config/transports/grpc.md
@@ -48,7 +48,7 @@ gRPC（HTTP/2）内置多路复用，不建议使用 gRPC 与 HTTP/2 时启用 m
       // ...
       "streamSettings": {
         "method": "grpc",
-        // [!code focus:10]
+        // [!field focus]
         "grpcSettings": {
           "authority": "grpc.example.com",
           "serviceName": "name",
diff --git a/docs/config/transports/httpupgrade.md b/docs/config/transports/httpupgrade.md
index 5887cd38..9946084a 100644
--- a/docs/config/transports/httpupgrade.md
+++ b/docs/config/transports/httpupgrade.md
@@ -19,7 +19,7 @@
       // ...
       "streamSettings": {
         "method": "httpupgrade",
-        // [!code focus:8]
+        // [!field focus]
         "httpupgradeSettings": {
           "acceptProxyProtocol": false,
           "path": "/",
diff --git a/docs/config/transports/hysteria.md b/docs/config/transports/hysteria.md
index daeba02d..68064cd8 100644
--- a/docs/config/transports/hysteria.md
+++ b/docs/config/transports/hysteria.md
@@ -14,7 +14,7 @@ Hysteria2 的底层 QUIC 传输的 Xray 实现，通常搭配 hysteria[出站](.
       // ...
       "streamSettings": {
         "method": "hysteria",
-        // [!code focus:17]
+        // [!field focus]
         "hysteriaSettings": {
           "version": 2,
           "auth": "password",
diff --git a/docs/config/transports/mkcp.md b/docs/config/transports/mkcp.md
index beb77a70..2dd725ba 100644
--- a/docs/config/transports/mkcp.md
+++ b/docs/config/transports/mkcp.md
@@ -20,7 +20,7 @@ mKCP 牺牲带宽来降低延迟。传输同样的内容，mKCP 一般比 TCP 
       // ...
       "streamSettings": {
         "method": "mkcp",
-        // [!code focus:9]
+        // [!field focus]
         "kcpSettings": {
           "mtu": 1350,
           "tti": 20,
diff --git a/docs/config/transports/raw.md b/docs/config/transports/raw.md
index b7fc9ddc..945a1f50 100644
--- a/docs/config/transports/raw.md
+++ b/docs/config/transports/raw.md
@@ -16,7 +16,7 @@
       // ...
       "streamSettings": {
         "method": "raw",
-        // [!code focus:6]
+        // [!field focus]
         "rawSettings": {
           "acceptProxyProtocol": false,
           "header": {
diff --git a/docs/config/transports/reality.md b/docs/config/transports/reality.md
index bfbc459b..9eaed312 100644
--- a/docs/config/transports/reality.md
+++ b/docs/config/transports/reality.md
@@ -26,7 +26,7 @@ REALITY 只是修改了 TLS，客户端的实现只需要轻度修改完全随
       // ...
       "streamSettings": {
         "security": "reality",
-        // [!code focus:30]
+        // [!field focus]
         "realitySettings": {
           // 入站（服务端）配置
           "show": false,
diff --git a/docs/config/transports/sockopt.md b/docs/config/transports/sockopt.md
index e6d09012..54006b09 100644
--- a/docs/config/transports/sockopt.md
+++ b/docs/config/transports/sockopt.md
@@ -15,7 +15,7 @@ Sockopt 用于配置底层网络行为。
     {
       // ...
       "streamSettings": {
-        // [!code focus:21]
+        // [!field focus]
         "sockopt": {
           "mark": 0,
           "tcpMaxSeg": 1440,
diff --git a/docs/config/transports/tls.md b/docs/config/transports/tls.md
index f5ed4332..2094bf30 100644
--- a/docs/config/transports/tls.md
+++ b/docs/config/transports/tls.md
@@ -18,7 +18,7 @@ TLS 是常见的传输层加密方式。
       // ...
       "streamSettings": {
         "security": "tls",
-        // [!code focus:20]
+        // [!field focus]
         "tlsSettings": {
           "serverName": "xray.com",
           "verifyPeerCertByName": "",
diff --git a/docs/config/transports/websocket.md b/docs/config/transports/websocket.md
index 6a53ba68..5fcd6540 100644
--- a/docs/config/transports/websocket.md
+++ b/docs/config/transports/websocket.md
@@ -24,7 +24,7 @@ Websocket 会识别 HTTP 请求的 X-Forwarded-For 头来覆写流量的源地
       // ...
       "streamSettings": {
         "method": "websocket",
-        // [!code focus:9]
+        // [!field focus]
         "wsSettings": {
           "acceptProxyProtocol": false,
           "path": "/",
diff --git a/docs/en/config/fakedns.md b/docs/en/config/fakedns.md
index 4222c36c..9e9c6427 100644
--- a/docs/en/config/fakedns.md
+++ b/docs/en/config/fakedns.md
@@ -133,7 +133,7 @@ Additionally, you need to enable `Sniffing` on the inbound of the **client** tha
   "inbounds": [
     {
       // ...
-      // [!code focus:5]
+      // [!field focus]
       "sniffing": {
         "enabled": true,
         "destOverride": ["fakedns"], // Use "fakedns", or combine with other sniffers
diff --git a/docs/en/config/inbounds/http.md b/docs/en/config/inbounds/http.md
index 08c46014..79734c4b 100644
--- a/docs/en/config/inbounds/http.md
+++ b/docs/en/config/inbounds/http.md
@@ -30,7 +30,7 @@ Use the following environment variables in Linux to enable a global HTTP proxy f
     {
       // ...
       "protocol": "http",
-      // [!code focus:10]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/en/config/inbounds/hysteria.md b/docs/en/config/inbounds/hysteria.md
index c8dd2868..f0bc1804 100644
--- a/docs/en/config/inbounds/hysteria.md
+++ b/docs/en/config/inbounds/hysteria.md
@@ -14,7 +14,7 @@ The `hysteria protocol` itself has no authentication; `users` only take effect w
     {
       // ...
       "protocol": "hysteria",
-      // [!code focus:10]
+      // [!field focus]
       "settings": {
         "version": 2,
         "users": [
diff --git a/docs/en/config/inbounds/shadowsocks.md b/docs/en/config/inbounds/shadowsocks.md
index a7c9fe9d..b954b7c8 100644
--- a/docs/en/config/inbounds/shadowsocks.md
+++ b/docs/en/config/inbounds/shadowsocks.md
@@ -32,7 +32,7 @@ The Shadowsocks 2022 new protocol format improves performance and includes compl
     {
       // ...
       "protocol": "shadowsocks",
-      // [!code focus:13]
+      // [!field focus]
       "settings": {
         "network": "tcp,udp",
         "method": "aes-256-gcm",
diff --git a/docs/en/config/inbounds/socks.md b/docs/en/config/inbounds/socks.md
index eac26cab..403648e8 100644
--- a/docs/en/config/inbounds/socks.md
+++ b/docs/en/config/inbounds/socks.md
@@ -18,7 +18,7 @@ A more meaningful usage of `Socks` inbound is to listen within a LAN or on the l
     {
       // ...
       "protocol": "socks",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "auth": "noauth",
         "users": [
diff --git a/docs/en/config/inbounds/trojan.md b/docs/en/config/inbounds/trojan.md
index 9b101f26..7130e64f 100644
--- a/docs/en/config/inbounds/trojan.md
+++ b/docs/en/config/inbounds/trojan.md
@@ -12,7 +12,7 @@
     {
       // ...
       "protocol": "trojan",
-      // [!code focus:14]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/en/config/inbounds/tun.md b/docs/en/config/inbounds/tun.md
index 00c88409..30cd4ec9 100644
--- a/docs/en/config/inbounds/tun.md
+++ b/docs/en/config/inbounds/tun.md
@@ -16,7 +16,7 @@ On Linux, this environment variable can optionally be used to pass in the TUN FD
     {
       // ...
       "protocol": "tun",
-      // [!code focus:10]
+      // [!field focus]
       "settings": {
         "name": "utun10",
         "desc": "Wintun",
diff --git a/docs/en/config/inbounds/tunnel.md b/docs/en/config/inbounds/tunnel.md
index b97cc0ef..78786d55 100644
--- a/docs/en/config/inbounds/tunnel.md
+++ b/docs/en/config/inbounds/tunnel.md
@@ -12,7 +12,7 @@ Tunnel, formerly known as dokodemo-door (Arbitrary Door), can listen on multiple
     {
       // ...
       "protocol": "tunnel",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "allowedNetwork": "tcp",
         "rewriteAddress": "8.8.8.8",
diff --git a/docs/en/config/inbounds/vless.md b/docs/en/config/inbounds/vless.md
index de56c09d..c562d14a 100644
--- a/docs/en/config/inbounds/vless.md
+++ b/docs/en/config/inbounds/vless.md
@@ -14,7 +14,7 @@ Unlike [VMess](./vmess.md), VLESS does not depend on system time. The authentica
     {
       // ...
       "protocol": "vless",
-      // [!code focus:18]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/en/config/inbounds/vmess.md b/docs/en/config/inbounds/vmess.md
index 88f792d3..124d7cc4 100644
--- a/docs/en/config/inbounds/vmess.md
+++ b/docs/en/config/inbounds/vmess.md
@@ -16,7 +16,7 @@ VMess depends on system time. Please ensure that the system UTC time of the devi
     {
       // ...
       "protocol": "vmess",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/en/config/inbounds/wireguard.md b/docs/en/config/inbounds/wireguard.md
index 9ce9cc4f..f2132cb5 100644
--- a/docs/en/config/inbounds/wireguard.md
+++ b/docs/en/config/inbounds/wireguard.md
@@ -16,7 +16,7 @@ User-space WireGuard protocol implementation for establishing a WireGuard tunnel
     {
       // ...
       "protocol": "wireguard",
-      // [!code focus:14]
+      // [!field focus]
       "settings": {
         "secretKey": "SERVER_PRIVATE_KEY",
         "peers": [
diff --git a/docs/en/config/outbounds/blackhole.md b/docs/en/config/outbounds/blackhole.md
index 01b1ab7a..90fadb97 100644
--- a/docs/en/config/outbounds/blackhole.md
+++ b/docs/en/config/outbounds/blackhole.md
@@ -12,7 +12,7 @@ Blackhole is an outbound data protocol that blocks all outbound data. When used
     {
       // ...
       "protocol": "blackhole",
-      // [!code focus:5]
+      // [!field focus]
       "settings": {
         "response": {
           "type": "none"
diff --git a/docs/en/config/outbounds/dns.md b/docs/en/config/outbounds/dns.md
index f2a1b0b4..9161f6e2 100644
--- a/docs/en/config/outbounds/dns.md
+++ b/docs/en/config/outbounds/dns.md
@@ -16,7 +16,7 @@ It can allow queries to the target DNS server, `hijack` them to the built-in [DN
     {
       // ...
       "protocol": "dns",
-      // [!code focus:18]
+      // [!field focus]
       "settings": {
         "rewriteNetwork": "udp",
         "rewriteAddress": "1.1.1.1",
diff --git a/docs/en/config/outbounds/freedom.md b/docs/en/config/outbounds/freedom.md
index 3632375d..f6532397 100644
--- a/docs/en/config/outbounds/freedom.md
+++ b/docs/en/config/outbounds/freedom.md
@@ -16,7 +16,7 @@ This outbound has a default safety policy in server-side and reverse-proxy scena
     {
       // ...
       "protocol": "freedom",
-      // [!code focus:28]
+      // [!field focus]
       "settings": {
         "redirect": "127.0.0.1:3366",
         "userLevel": 0,
diff --git a/docs/en/config/outbounds/http.md b/docs/en/config/outbounds/http.md
index 2791762c..a9d282b0 100644
--- a/docs/en/config/outbounds/http.md
+++ b/docs/en/config/outbounds/http.md
@@ -20,7 +20,7 @@ HTTP protocol.
     {
       // ...
       "protocol": "http",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "address": "192.168.108.1",
         "port": 3128,
diff --git a/docs/en/config/outbounds/hysteria.md b/docs/en/config/outbounds/hysteria.md
index a702e6d4..e25f0b4c 100644
--- a/docs/en/config/outbounds/hysteria.md
+++ b/docs/en/config/outbounds/hysteria.md
@@ -18,7 +18,7 @@ The `hysteria protocol` itself has no authentication. When using with a non `hys
     {
       // ...
       "protocol": "hysteria",
-      // [!code focus:5]
+      // [!field focus]
       "settings": {
         "version": 2,
         "address": "192.168.108.1",
diff --git a/docs/en/config/outbounds/loopback.md b/docs/en/config/outbounds/loopback.md
index ab86ab89..acb2530e 100644
--- a/docs/en/config/outbounds/loopback.md
+++ b/docs/en/config/outbounds/loopback.md
@@ -27,7 +27,7 @@ Avoid letting rules or balancers after the loopback select the original outbound
     {
       // ...
       "protocol": "loopback",
-      // [!code focus:4]
+      // [!field focus]
       "settings": {
         "inboundTag": "TagUseAsInbound",
         "sniffing": {}
diff --git a/docs/en/config/outbounds/shadowsocks.md b/docs/en/config/outbounds/shadowsocks.md
index d33ad9e8..d5c87385 100644
--- a/docs/en/config/outbounds/shadowsocks.md
+++ b/docs/en/config/outbounds/shadowsocks.md
@@ -32,7 +32,7 @@ The Shadowsocks 2022 new protocol format improves performance and includes compl
     {
       // ...
       "protocol": "shadowsocks",
-      // [!code focus:8]
+      // [!field focus]
       "settings": {
         "email": "love@xray.com",
         "address": "127.0.0.1",
diff --git a/docs/en/config/outbounds/socks.md b/docs/en/config/outbounds/socks.md
index 1526fafb..9e49d341 100644
--- a/docs/en/config/outbounds/socks.md
+++ b/docs/en/config/outbounds/socks.md
@@ -16,7 +16,7 @@ Standard Socks protocol implementation, compatible with Socks 5.
     {
       // ...
       "protocol": "socks",
-      // [!code focus:8]
+      // [!field focus]
       "settings": {
         "address": "127.0.0.1",
         "port": 1234,
diff --git a/docs/en/config/outbounds/trojan.md b/docs/en/config/outbounds/trojan.md
index 2ab509cc..e648f4cf 100644
--- a/docs/en/config/outbounds/trojan.md
+++ b/docs/en/config/outbounds/trojan.md
@@ -12,7 +12,7 @@
     {
       // ...
       "protocol": "trojan",
-      // [!code focus:7]
+      // [!field focus]
       "settings": {
         "address": "127.0.0.1",
         "port": 1234,
diff --git a/docs/en/config/outbounds/vless.md b/docs/en/config/outbounds/vless.md
index e80fcdab..b7253b9d 100644
--- a/docs/en/config/outbounds/vless.md
+++ b/docs/en/config/outbounds/vless.md
@@ -14,7 +14,7 @@ Unlike [VMess](./vmess.md), VLESS does not depend on system time. The authentica
     {
       // ...
       "protocol": "vless",
-      // [!code focus:9]
+      // [!field focus]
       "settings": {
         "address": "example.com",
         "port": 443,
diff --git a/docs/en/config/outbounds/vmess.md b/docs/en/config/outbounds/vmess.md
index 7d0a1db7..572628e4 100644
--- a/docs/en/config/outbounds/vmess.md
+++ b/docs/en/config/outbounds/vmess.md
@@ -16,7 +16,7 @@ VMess depends on system time. Please ensure that the UTC time of the system runn
     {
       // ...
       "protocol": "vmess",
-      // [!code focus:8]
+      // [!field focus]
       "settings": {
         "address": "127.0.0.1",
         "port": 37192,
diff --git a/docs/en/config/outbounds/wireguard.md b/docs/en/config/outbounds/wireguard.md
index c80ed085..ffa2634d 100644
--- a/docs/en/config/outbounds/wireguard.md
+++ b/docs/en/config/outbounds/wireguard.md
@@ -16,7 +16,7 @@ User-space WireGuard protocol implementation for establishing a WireGuard tunnel
     {
       // ...
       "protocol": "wireguard",
-      // [!code focus:20]
+      // [!field focus]
       "settings": {
         "secretKey": "CLIENT_PRIVATE_KEY",
         "address": ["10.0.0.1", "fd59:7153:2388:b5fd:0000:0000:0000:0001"],
diff --git a/docs/en/config/transport.md b/docs/en/config/transport.md
index 7601adde..7f4543c4 100644
--- a/docs/en/config/transport.md
+++ b/docs/en/config/transport.md
@@ -24,7 +24,7 @@ For direct outbounds such as [Freedom](./outbounds/freedom.md), the peer is usua
   "outbounds": [
     {
       // ...
-      // [!code focus:18]
+      // [!field focus]
       "streamSettings": {
         // Transport methods
         "method": "raw",
diff --git a/docs/en/config/transports/finalmask.md b/docs/en/config/transports/finalmask.md
index e10fda2c..f66de00f 100644
--- a/docs/en/config/transports/finalmask.md
+++ b/docs/en/config/transports/finalmask.md
@@ -15,7 +15,7 @@ It can be used for multiple kinds of TCP and UDP camouflage, as well as QUIC-rel
     {
       // ...
       "streamSettings": {
-        // [!code focus:33]
+        // [!field focus]
         "finalmask": {
           "tcp": [
             {
@@ -62,7 +62,7 @@ An array used to camouflage TCP traffic emitted by the core. The first item in t
 ```json
 {
   "finalmask": {
-    // [!code focus:6]
+    // [!field focus]
     "tcp": [
       {
         "type": "",
@@ -88,7 +88,7 @@ See the fields for each type below.
 ```json
 {
   "type": "header-custom",
-  // [!code focus:35]
+  // [!field focus]
   "settings": {
     "clients": [
       [
@@ -142,7 +142,7 @@ See the fields for each type below.
 ```json
 {
   "type": "fragment",
-  // [!code focus:6]
+  // [!field focus]
   "settings": {
     "packets": "tlshello",
     "lengths": ["3-5", "6-8", "10-20"],
@@ -175,7 +175,7 @@ When it is `0` and `"packets": "tlshello"` is set, the fragmented Client Hello w
 ```json
 {
   "type": "sudoku",
-  // [!code focus:10]
+  // [!field focus]
   "settings": {
     "password": "",
     "ascii": "",
@@ -198,7 +198,7 @@ An array used to camouflage UDP traffic emitted by the core. The first item in t
 ```json
 {
   "finalmask": {
-    // [!code focus:6]
+    // [!field focus]
     "udp": [
       {
         "type": "",
@@ -226,7 +226,7 @@ Always merged into the packet header.
 ```json
 {
   "type": "header-custom",
-  // [!code focus:18]
+  // [!field focus]
   "settings": {
     "client": [
       {
@@ -261,7 +261,7 @@ Always merged into the packet header.
 ```json
 {
   "type": "mkcp-legacy",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "header": "", // dns dtls srtp utp wechat wireguard
     "value": "" // password domain
@@ -292,7 +292,7 @@ Noise sent before the actual data.
 ```json
 {
   "type": "noise",
-  // [!code focus:12]
+  // [!field focus]
   "settings": {
     "reset": "30-60",
     "noise": [
@@ -327,7 +327,7 @@ Salamander obfuscation. From Hysteria2.
 ```json
 {
   "type": "salamander",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "password": "your-password",
     "packetSize": "512-1200"
@@ -348,7 +348,7 @@ When non-empty, enables Gecko obfuscation, which applies additional fragmentatio
 ```json
 {
   "type": "sudoku",
-  // [!code focus:10]
+  // [!field focus]
   "settings": {
     "password": "",
     "ascii": "",
@@ -379,7 +379,7 @@ For example, if you own `example.com`, set an A record like `a.example.com` to t
 ```json
 {
   "type": "xdns",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "domains": ["t.example.com"],
     "resolvers": ["t.example.com+udp://8.8.8.8:53"]
@@ -398,7 +398,7 @@ At least one of `domains` and `resolvers` must be set.
 ```json
 {
   "type": "xicmp",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "dgram": false, // optional
     "ips": [] // optional
@@ -417,7 +417,7 @@ Self-built https://github.com/apernet/hysteria-realm-server
 ```json
 {
   "type": "realm",
-  // [!code focus:8]
+  // [!field focus]
   "settings": {
     "url": "realm://public@xxx/your-realm-name",
     "stunServers": [
@@ -442,7 +442,7 @@ Connection failures require debug-level logging. Possible contributing factors i
 ```json
 {
   "finalmask": {
-    // [!code focus:19]
+    // [!field focus]
     "quicParams": {
       "congestion": "force-brutal",
       "bbrProfile": "standard",
diff --git a/docs/en/config/transports/grpc.md b/docs/en/config/transports/grpc.md
index c046c3f4..1996d08c 100644
--- a/docs/en/config/transports/grpc.md
+++ b/docs/en/config/transports/grpc.md
@@ -48,7 +48,7 @@ If you are using fallback, please note the following:
       // ...
       "streamSettings": {
         "method": "grpc",
-        // [!code focus:10]
+        // [!field focus]
         "grpcSettings": {
           "authority": "grpc.example.com",
           "serviceName": "name",
diff --git a/docs/en/config/transports/httpupgrade.md b/docs/en/config/transports/httpupgrade.md
index 43fe1405..50ce5d94 100644
--- a/docs/en/config/transports/httpupgrade.md
+++ b/docs/en/config/transports/httpupgrade.md
@@ -19,7 +19,7 @@ Its design is not recommended for standalone use; instead, it is intended to wor
       // ...
       "streamSettings": {
         "method": "httpupgrade",
-        // [!code focus:8]
+        // [!field focus]
         "httpupgradeSettings": {
           "acceptProxyProtocol": false,
           "path": "/",
diff --git a/docs/en/config/transports/hysteria.md b/docs/en/config/transports/hysteria.md
index 450eea49..ef90b669 100644
--- a/docs/en/config/transports/hysteria.md
+++ b/docs/en/config/transports/hysteria.md
@@ -14,7 +14,7 @@ Xray implementation of the underlying QUIC transport for Hysteria2, typically us
       // ...
       "streamSettings": {
         "method": "hysteria",
-        // [!code focus:17]
+        // [!field focus]
         "hysteriaSettings": {
           "version": 2,
           "auth": "password",
diff --git a/docs/en/config/transports/mkcp.md b/docs/en/config/transports/mkcp.md
index 9be782e1..b2c900b4 100644
--- a/docs/en/config/transports/mkcp.md
+++ b/docs/en/config/transports/mkcp.md
@@ -20,7 +20,7 @@ Please ensure that the firewall configuration on the host is correct.
       // ...
       "streamSettings": {
         "method": "mkcp",
-        // [!code focus:9]
+        // [!field focus]
         "kcpSettings": {
           "mtu": 1350,
           "tti": 20,
diff --git a/docs/en/config/transports/raw.md b/docs/en/config/transports/raw.md
index 41ae3d54..b4391d08 100644
--- a/docs/en/config/transports/raw.md
+++ b/docs/en/config/transports/raw.md
@@ -16,7 +16,7 @@ It can be combined with various protocols in multiple modes.
       // ...
       "streamSettings": {
         "method": "raw",
-        // [!code focus:6]
+        // [!field focus]
         "rawSettings": {
           "acceptProxyProtocol": false,
           "header": {
diff --git a/docs/en/config/transports/reality.md b/docs/en/config/transports/reality.md
index 527f5720..93d4a497 100644
--- a/docs/en/config/transports/reality.md
+++ b/docs/en/config/transports/reality.md
@@ -26,7 +26,7 @@ For more information, see the [REALITY project](https://github.com/XTLS/REALITY)
       // ...
       "streamSettings": {
         "security": "reality",
-        // [!code focus:30]
+        // [!field focus]
         "realitySettings": {
           // Inbound (server-side) settings
           "show": false,
diff --git a/docs/en/config/transports/sockopt.md b/docs/en/config/transports/sockopt.md
index 4db430cf..177d3930 100644
--- a/docs/en/config/transports/sockopt.md
+++ b/docs/en/config/transports/sockopt.md
@@ -15,7 +15,7 @@ It can be used to tune transparent proxying, DNS resolution strategy, and many o
     {
       // ...
       "streamSettings": {
-        // [!code focus:21]
+        // [!field focus]
         "sockopt": {
           "mark": 0,
           "tcpMaxSeg": 1440,
diff --git a/docs/en/config/transports/tls.md b/docs/en/config/transports/tls.md
index 6a67d4e9..9717b718 100644
--- a/docs/en/config/transports/tls.md
+++ b/docs/en/config/transports/tls.md
@@ -18,7 +18,7 @@ It supports use with the `RAW`, `XHTTP`, `mKCP`, `gRPC`, `WebSocket`, `HTTPUpgra
       // ...
       "streamSettings": {
         "security": "tls",
-        // [!code focus:20]
+        // [!field focus]
         "tlsSettings": {
           "serverName": "xray.com",
           "verifyPeerCertByName": "",
diff --git a/docs/en/config/transports/websocket.md b/docs/en/config/transports/websocket.md
index e43ce0ec..df8e4cd2 100644
--- a/docs/en/config/transports/websocket.md
+++ b/docs/en/config/transports/websocket.md
@@ -24,7 +24,7 @@ WebSocket will recognize the `X-Forwarded-For` header in HTTP requests to overwr
       // ...
       "streamSettings": {
         "method": "websocket",
-        // [!code focus:9]
+        // [!field focus]
         "wsSettings": {
           "acceptProxyProtocol": false,
           "path": "/",
diff --git a/docs/ru/config/fakedns.md b/docs/ru/config/fakedns.md
index 4cf7cc6a..3d09f824 100644
--- a/docs/ru/config/fakedns.md
+++ b/docs/ru/config/fakedns.md
@@ -136,7 +136,7 @@ FakeDNS будет использовать этот блок IP-адресов
   "inbounds": [
     {
       // ...
-      // [!code focus:5]
+      // [!field focus]
       "sniffing": {
         "enabled": true,
         "destOverride": ["fakedns"], // Используйте "fakedns" или в сочетании с другими снифферами.
diff --git a/docs/ru/config/inbounds/http.md b/docs/ru/config/inbounds/http.md
index 53013a88..92d5c59b 100644
--- a/docs/ru/config/inbounds/http.md
+++ b/docs/ru/config/inbounds/http.md
@@ -30,7 +30,7 @@
     {
       // ...
       "protocol": "http",
-      // [!code focus:10]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/ru/config/inbounds/hysteria.md b/docs/ru/config/inbounds/hysteria.md
index ef6011b6..c8ec9e2a 100644
--- a/docs/ru/config/inbounds/hysteria.md
+++ b/docs/ru/config/inbounds/hysteria.md
@@ -14,7 +14,7 @@
     {
       // ...
       "protocol": "hysteria",
-      // [!code focus:10]
+      // [!field focus]
       "settings": {
         "version": 2,
         "users": [
diff --git a/docs/ru/config/inbounds/shadowsocks.md b/docs/ru/config/inbounds/shadowsocks.md
index 51cb52dc..4fcaec53 100644
--- a/docs/ru/config/inbounds/shadowsocks.md
+++ b/docs/ru/config/inbounds/shadowsocks.md
@@ -32,7 +32,7 @@
     {
       // ...
       "protocol": "shadowsocks",
-      // [!code focus:13]
+      // [!field focus]
       "settings": {
         "network": "tcp,udp",
         "method": "aes-256-gcm",
diff --git a/docs/ru/config/inbounds/socks.md b/docs/ru/config/inbounds/socks.md
index 09c1b004..16281755 100644
--- a/docs/ru/config/inbounds/socks.md
+++ b/docs/ru/config/inbounds/socks.md
@@ -18,7 +18,7 @@
     {
       // ...
       "protocol": "socks",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "auth": "noauth",
         "users": [
diff --git a/docs/ru/config/inbounds/trojan.md b/docs/ru/config/inbounds/trojan.md
index baaedf34..59fad44f 100644
--- a/docs/ru/config/inbounds/trojan.md
+++ b/docs/ru/config/inbounds/trojan.md
@@ -12,7 +12,7 @@
     {
       // ...
       "protocol": "trojan",
-      // [!code focus:14]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/ru/config/inbounds/tun.md b/docs/ru/config/inbounds/tun.md
index 2501f066..1b1bb6ac 100644
--- a/docs/ru/config/inbounds/tun.md
+++ b/docs/ru/config/inbounds/tun.md
@@ -16,7 +16,7 @@
     {
       // ...
       "protocol": "tun",
-      // [!code focus:10]
+      // [!field focus]
       "settings": {
         "name": "utun10",
         "desc": "Wintun",
diff --git a/docs/ru/config/inbounds/tunnel.md b/docs/ru/config/inbounds/tunnel.md
index d2323f88..e150948b 100644
--- a/docs/ru/config/inbounds/tunnel.md
+++ b/docs/ru/config/inbounds/tunnel.md
@@ -12,7 +12,7 @@
     {
       // ...
       "protocol": "tunnel",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "allowedNetwork": "tcp",
         "rewriteAddress": "8.8.8.8",
diff --git a/docs/ru/config/inbounds/vless.md b/docs/ru/config/inbounds/vless.md
index bca8aad4..056545a1 100644
--- a/docs/ru/config/inbounds/vless.md
+++ b/docs/ru/config/inbounds/vless.md
@@ -14,7 +14,7 @@ VLESS - это легкий транспортный протокол без с
     {
       // ...
       "protocol": "vless",
-      // [!code focus:18]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/ru/config/inbounds/vmess.md b/docs/ru/config/inbounds/vmess.md
index b4588d0e..487454fb 100644
--- a/docs/ru/config/inbounds/vmess.md
+++ b/docs/ru/config/inbounds/vmess.md
@@ -16,7 +16,7 @@ VMess полагается на системное время. Убедитес
     {
       // ...
       "protocol": "vmess",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "users": [
           {
diff --git a/docs/ru/config/inbounds/wireguard.md b/docs/ru/config/inbounds/wireguard.md
index af3126f0..429b46f6 100644
--- a/docs/ru/config/inbounds/wireguard.md
+++ b/docs/ru/config/inbounds/wireguard.md
@@ -16,7 +16,7 @@
     {
       // ...
       "protocol": "wireguard",
-      // [!code focus:14]
+      // [!field focus]
       "settings": {
         "secretKey": "SERVER_PRIVATE_KEY",
         "peers": [
diff --git a/docs/ru/config/outbounds/blackhole.md b/docs/ru/config/outbounds/blackhole.md
index 49eda79f..59068325 100644
--- a/docs/ru/config/outbounds/blackhole.md
+++ b/docs/ru/config/outbounds/blackhole.md
@@ -12,7 +12,7 @@ Blackhole - это протокол исходящих данных, котор
     {
       // ...
       "protocol": "blackhole",
-      // [!code focus:5]
+      // [!field focus]
       "settings": {
         "response": {
           "type": "none"
diff --git a/docs/ru/config/outbounds/dns.md b/docs/ru/config/outbounds/dns.md
index 07bc7bf6..6627d451 100644
--- a/docs/ru/config/outbounds/dns.md
+++ b/docs/ru/config/outbounds/dns.md
@@ -16,7 +16,7 @@ DNS — это исходящий протокол, который приним
     {
       // ...
       "protocol": "dns",
-      // [!code focus:18]
+      // [!field focus]
       "settings": {
         "rewriteNetwork": "udp",
         "rewriteAddress": "1.1.1.1",
diff --git a/docs/ru/config/outbounds/freedom.md b/docs/ru/config/outbounds/freedom.md
index d86c73c1..0b297573 100644
--- a/docs/ru/config/outbounds/freedom.md
+++ b/docs/ru/config/outbounds/freedom.md
@@ -16,7 +16,7 @@ Freedom — это протокол прямого исходящего подк
     {
       // ...
       "protocol": "freedom",
-      // [!code focus:28]
+      // [!field focus]
       "settings": {
         "redirect": "127.0.0.1:3366",
         "userLevel": 0,
diff --git a/docs/ru/config/outbounds/http.md b/docs/ru/config/outbounds/http.md
index e1b5be7a..32eb6c05 100644
--- a/docs/ru/config/outbounds/http.md
+++ b/docs/ru/config/outbounds/http.md
@@ -20,7 +20,7 @@
     {
       // ...
       "protocol": "http",
-      // [!code focus:12]
+      // [!field focus]
       "settings": {
         "address": "192.168.108.1",
         "port": 3128,
diff --git a/docs/ru/config/outbounds/hysteria.md b/docs/ru/config/outbounds/hysteria.md
index 9cb0c509..c91c6a09 100644
--- a/docs/ru/config/outbounds/hysteria.md
+++ b/docs/ru/config/outbounds/hysteria.md
@@ -18,7 +18,7 @@
     {
       // ...
       "protocol": "hysteria",
-      // [!code focus:5]
+      // [!field focus]
       "settings": {
         "version": 2,
         "address": "192.168.108.1",
diff --git a/docs/ru/config/outbounds/loopback.md b/docs/ru/config/outbounds/loopback.md
index ad8e10bc..2ff4f7b5 100644
--- a/docs/ru/config/outbounds/loopback.md
+++ b/docs/ru/config/outbounds/loopback.md
@@ -27,7 +27,7 @@ Loopback — это outbound с возвратом трафика, которы
     {
       // ...
       "protocol": "loopback",
-      // [!code focus:4]
+      // [!field focus]
       "settings": {
         "inboundTag": "TagUseAsInbound",
         "sniffing": {}
diff --git a/docs/ru/config/outbounds/shadowsocks.md b/docs/ru/config/outbounds/shadowsocks.md
index 886afe9b..6bbf7c11 100644
--- a/docs/ru/config/outbounds/shadowsocks.md
+++ b/docs/ru/config/outbounds/shadowsocks.md
@@ -32,7 +32,7 @@
     {
       // ...
       "protocol": "shadowsocks",
-      // [!code focus:8]
+      // [!field focus]
       "settings": {
         "email": "love@xray.com",
         "address": "127.0.0.1",
diff --git a/docs/ru/config/outbounds/socks.md b/docs/ru/config/outbounds/socks.md
index a586311f..501a097f 100644
--- a/docs/ru/config/outbounds/socks.md
+++ b/docs/ru/config/outbounds/socks.md
@@ -16,7 +16,7 @@
     {
       // ...
       "protocol": "socks",
-      // [!code focus:8]
+      // [!field focus]
       "settings": {
         "address": "127.0.0.1",
         "port": 1234,
diff --git a/docs/ru/config/outbounds/trojan.md b/docs/ru/config/outbounds/trojan.md
index 34e8e27d..fdecb5fc 100644
--- a/docs/ru/config/outbounds/trojan.md
+++ b/docs/ru/config/outbounds/trojan.md
@@ -12,7 +12,7 @@
     {
       // ...
       "protocol": "trojan",
-      // [!code focus:7]
+      // [!field focus]
       "settings": {
         "address": "127.0.0.1",
         "port": 1234,
diff --git a/docs/ru/config/outbounds/vless.md b/docs/ru/config/outbounds/vless.md
index e0bdade3..859bd466 100644
--- a/docs/ru/config/outbounds/vless.md
+++ b/docs/ru/config/outbounds/vless.md
@@ -14,7 +14,7 @@ VLESS - это легкий транспортный протокол без с
     {
       // ...
       "protocol": "vless",
-      // [!code focus:9]
+      // [!field focus]
       "settings": {
         "address": "example.com",
         "port": 443,
diff --git a/docs/ru/config/outbounds/vmess.md b/docs/ru/config/outbounds/vmess.md
index 1b8cbea8..aff7e6eb 100644
--- a/docs/ru/config/outbounds/vmess.md
+++ b/docs/ru/config/outbounds/vmess.md
@@ -16,7 +16,7 @@ VMess полагается на системное время. Убедитес
     {
       // ...
       "protocol": "vmess",
-      // [!code focus:8]
+      // [!field focus]
       "settings": {
         "address": "127.0.0.1",
         "port": 37192,
diff --git a/docs/ru/config/outbounds/wireguard.md b/docs/ru/config/outbounds/wireguard.md
index 5d93b459..3d26f576 100644
--- a/docs/ru/config/outbounds/wireguard.md
+++ b/docs/ru/config/outbounds/wireguard.md
@@ -16,7 +16,7 @@
     {
       // ...
       "protocol": "wireguard",
-      // [!code focus:20]
+      // [!field focus]
       "settings": {
         "secretKey": "CLIENT_PRIVATE_KEY",
         "address": ["10.0.0.1", "fd59:7153:2388:b5fd:0000:0000:0000:0001"],
diff --git a/docs/ru/config/transport.md b/docs/ru/config/transport.md
index b65a19dc..ba526bba 100644
--- a/docs/ru/config/transport.md
+++ b/docs/ru/config/transport.md
@@ -24,7 +24,7 @@
   "outbounds": [
     {
       // ...
-      // [!code focus:18]
+      // [!field focus]
       "streamSettings": {
         // Способы передачи
         "method": "raw",
diff --git a/docs/ru/config/transports/finalmask.md b/docs/ru/config/transports/finalmask.md
index 0d9a4473..b842cced 100644
--- a/docs/ru/config/transports/finalmask.md
+++ b/docs/ru/config/transports/finalmask.md
@@ -15,7 +15,7 @@ FinalMask добавляет последний слой маскировки п
     {
       // ...
       "streamSettings": {
-        // [!code focus:33]
+        // [!field focus]
         "finalmask": {
           "tcp": [
             {
@@ -62,7 +62,7 @@ FinalMask добавляет последний слой маскировки п
 ```json
 {
   "finalmask": {
-    // [!code focus:6]
+    // [!field focus]
     "tcp": [
       {
         "type": "",
@@ -88,7 +88,7 @@ FinalMask добавляет последний слой маскировки п
 ```json
 {
   "type": "header-custom",
-  // [!code focus:35]
+  // [!field focus]
   "settings": {
     "clients": [
       [
@@ -142,7 +142,7 @@ FinalMask добавляет последний слой маскировки п
 ```json
 {
   "type": "fragment",
-  // [!code focus:6]
+  // [!field focus]
   "settings": {
     "packets": "tlshello",
     "lengths": ["3-5", "6-8", "10-20"],
@@ -175,7 +175,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "type": "sudoku",
-  // [!code focus:10]
+  // [!field focus]
   "settings": {
     "password": "",
     "ascii": "",
@@ -198,7 +198,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "finalmask": {
-    // [!code focus:6]
+    // [!field focus]
     "udp": [
       {
         "type": "",
@@ -226,7 +226,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "type": "header-custom",
-  // [!code focus:18]
+  // [!field focus]
   "settings": {
     "client": [
       {
@@ -261,7 +261,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "type": "mkcp-legacy",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "header": "", // dns dtls srtp utp wechat wireguard
     "value": "" // password domain
@@ -292,7 +292,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "type": "noise",
-  // [!code focus:12]
+  // [!field focus]
   "settings": {
     "reset": "30-60",
     "noise": [
@@ -327,7 +327,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "type": "salamander",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "password": "your-password",
     "packetSize": "512-1200"
@@ -348,7 +348,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "type": "sudoku",
-  // [!code focus:10]
+  // [!field focus]
   "settings": {
     "password": "",
     "ascii": "",
@@ -379,7 +379,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "type": "xdns",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "domains": ["t.example.com"],
     "resolvers": ["t.example.com+udp://8.8.8.8:53"]
@@ -398,7 +398,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "type": "xicmp",
-  // [!code focus:4]
+  // [!field focus]
   "settings": {
     "dgram": false, // optional
     "ips": [] // optional
@@ -417,7 +417,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "type": "realm",
-  // [!code focus:8]
+  // [!field focus]
   "settings": {
     "url": "realm://public@xxx/your-realm-name",
     "stunServers": [
@@ -442,7 +442,7 @@ n-й элемент массива задаёт, сколько ждать по
 ```json
 {
   "finalmask": {
-    // [!code focus:19]
+    // [!field focus]
     "quicParams": {
       "congestion": "force-brutal",
       "bbrProfile": "standard",
diff --git a/docs/ru/config/transports/grpc.md b/docs/ru/config/transports/grpc.md
index 6cbb587c..c673e6e5 100644
--- a/docs/ru/config/transports/grpc.md
+++ b/docs/ru/config/transports/grpc.md
@@ -48,7 +48,7 @@ gRPC (HTTP/2) имеет встроенное мультиплексирован
       // ...
       "streamSettings": {
         "method": "grpc",
-        // [!code focus:10]
+        // [!field focus]
         "grpcSettings": {
           "authority": "grpc.example.com",
           "serviceName": "name",
diff --git a/docs/ru/config/transports/httpupgrade.md b/docs/ru/config/transports/httpupgrade.md
index b6e0e9c9..72a9fe28 100644
--- a/docs/ru/config/transports/httpupgrade.md
+++ b/docs/ru/config/transports/httpupgrade.md
@@ -20,7 +20,7 @@
       // ...
       "streamSettings": {
         "method": "httpupgrade",
-        // [!code focus:8]
+        // [!field focus]
         "httpupgradeSettings": {
           "acceptProxyProtocol": false,
           "path": "/",
diff --git a/docs/ru/config/transports/hysteria.md b/docs/ru/config/transports/hysteria.md
index f463b511..2bb19f3e 100644
--- a/docs/ru/config/transports/hysteria.md
+++ b/docs/ru/config/transports/hysteria.md
@@ -14,7 +14,7 @@
       // ...
       "streamSettings": {
         "method": "hysteria",
-        // [!code focus:17]
+        // [!field focus]
         "hysteriaSettings": {
           "version": 2,
           "auth": "password",
diff --git a/docs/ru/config/transports/mkcp.md b/docs/ru/config/transports/mkcp.md
index 374d2e1e..75f6540e 100644
--- a/docs/ru/config/transports/mkcp.md
+++ b/docs/ru/config/transports/mkcp.md
@@ -20,7 +20,7 @@ mKCP жертвует пропускной способностью ради у
       // ...
       "streamSettings": {
         "method": "mkcp",
-        // [!code focus:9]
+        // [!field focus]
         "kcpSettings": {
           "mtu": 1350,
           "tti": 20,
diff --git a/docs/ru/config/transports/raw.md b/docs/ru/config/transports/raw.md
index 6e468cb5..5947c873 100644
--- a/docs/ru/config/transports/raw.md
+++ b/docs/ru/config/transports/raw.md
@@ -16,7 +16,7 @@
       // ...
       "streamSettings": {
         "method": "raw",
-        // [!code focus:6]
+        // [!field focus]
         "rawSettings": {
           "acceptProxyProtocol": false,
           "header": {
diff --git a/docs/ru/config/transports/reality.md b/docs/ru/config/transports/reality.md
index d9b4efd6..f25065ca 100644
--- a/docs/ru/config/transports/reality.md
+++ b/docs/ru/config/transports/reality.md
@@ -26,7 +26,7 @@ REALITY модифицирует только TLS. На стороне клие
       // ...
       "streamSettings": {
         "security": "reality",
-        // [!code focus:30]
+        // [!field focus]
         "realitySettings": {
           // Входящие настройки (сервер)
           "show": false,
diff --git a/docs/ru/config/transports/sockopt.md b/docs/ru/config/transports/sockopt.md
index 49758ed6..4f222b29 100644
--- a/docs/ru/config/transports/sockopt.md
+++ b/docs/ru/config/transports/sockopt.md
@@ -15,7 +15,7 @@ Sockopt используется для настройки низкоуровн
     {
       // ...
       "streamSettings": {
-        // [!code focus:21]
+        // [!field focus]
         "sockopt": {
           "mark": 0,
           "tcpMaxSeg": 1440,
diff --git a/docs/ru/config/transports/tls.md b/docs/ru/config/transports/tls.md
index 4c7686f3..6a1330a5 100644
--- a/docs/ru/config/transports/tls.md
+++ b/docs/ru/config/transports/tls.md
@@ -18,7 +18,7 @@ TLS — это обычный механизм защиты транспорта
       // ...
       "streamSettings": {
         "security": "tls",
-        // [!code focus:20]
+        // [!field focus]
         "tlsSettings": {
           "serverName": "xray.com",
           "verifyPeerCertByName": "",
diff --git a/docs/ru/config/transports/websocket.md b/docs/ru/config/transports/websocket.md
index f9abd268..078b758d 100644
--- a/docs/ru/config/transports/websocket.md
+++ b/docs/ru/config/transports/websocket.md
@@ -24,7 +24,7 @@ WebSocket распознает заголовок X-Forwarded-For в HTTP-зап
       // ...
       "streamSettings": {
         "method": "websocket",
-        // [!code focus:9]
+        // [!field focus]
         "wsSettings": {
           "acceptProxyProtocol": false,
           "path": "/",