feat(主题设置): 改进色彩选择器交互并更新评论主题

- 将色彩选择器的步长从5改为1，增加精确度
- 添加数字输入框直接修改色相值
- 更新评论组件主题为跟随系统配色
- 修复数字输入框在Webkit浏览器中的样式问题

src/components/widget/DisplaySettings.svelte

@@ -117,15 +117,14 @@ onMount(() => {
             </button>
         </div>
         <div class="flex gap-1">
-            <div id="hueValue" class="transition bg-[var(--btn-regular-bg)] w-10 h-7 rounded-md flex justify-center
-            font-bold text-sm items-center text-[var(--btn-content)]">
-                {Math.round(hue)}
-            </div>
+            <input aria-label="Hue Value" id="hueValue" type="number" min="0" max="360" value={Math.round(hue)} on:input={(e) => hue = e.currentTarget.valueAsNumber} disabled={isRainbowMode}
+                   class="transition bg-[var(--btn-regular-bg)] w-12 h-7 rounded-md text-center font-bold text-sm text-[var(--btn-content)] outline-none"
+            />
         </div>
     </div>
     <div class="w-full h-6 px-1 bg-[oklch(0.80_0.10_0)] dark:bg-[oklch(0.70_0.10_0)] rounded select-none mb-3">
         <input aria-label="主题色彩" type="range" min="0" max="360" bind:value={hue} disabled={isRainbowMode}
-               class="slider" id="colorSlider" step="5" style="width: 100%">
+               class="slider" id="colorSlider" step="1" style="width: 100%">
     </div>
 
     <div class="flex flex-row gap-2 mb-3 items-center justify-between">
@@ -163,6 +162,13 @@ onMount(() => {
 
 <style lang="stylus">
     #display-setting
+      input[type="number"]
+        -moz-appearance textfield
+        &::-webkit-inner-spin-button
+        &::-webkit-outer-spin-button
+          -webkit-appearance none
+          margin 0
+
       input[type="range"]
         -webkit-appearance none
         height 1.5rem

src/pages/posts/[...slug].astro

@@ -176,7 +176,7 @@ const jsonLd = {
                     data-reactions-enabled="1"
                     data-emit-metadata="0"
                     data-input-position="top"
-                    data-theme="noborder_gray"
+                    data-theme="preferred_color_scheme"
                     data-lang="zh-CN"
                     data-loading="lazy"
                     crossorigin="anonymous"