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小王洁居头像/avatar_v1.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
+  <defs>
+    <linearGradient id="bg" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0%" stop-color="#2BB8A3"/>
+      <stop offset="100%" stop-color="#1E8E7E"/>
+    </linearGradient>
+  </defs>
+  <!-- 背景：圆角方形（微信会裁成圆形，主体内容居中） -->
+  <rect width="1024" height="1024" rx="220" fill="url(#bg)"/>
+
+  <!-- 房子轮廓 -->
+  <g transform="translate(512,470)">
+    <path d="M -230 -40 L 0 -230 L 230 -40 L 230 200 Q 230 240 190 240 L -190 240 Q -230 240 -230 200 Z"
+          fill="#FFFFFF"/>
+    <!-- 门 -->
+    <rect x="-55" y="90" width="110" height="150" rx="20" fill="#1E8E7E"/>
+    <!-- 屋顶烟囱小方块 -->
+    <rect x="120" y="-190" width="60" height="90" rx="14" fill="#FFFFFF"/>
+  </g>
+
+  <!-- 闪亮星光（洁净感） -->
+  <g fill="#FFF9C9">
+    <path d="M 760 200 l 14 44 44 14 -44 14 -14 44 -14 -44 -44 -14 44 -14 Z"/>
+    <path d="M 240 260 l 10 30 30 10 -30 10 -10 30 -10 -30 -30 -10 30 -10 Z"/>
+  </g>
+
+  <!-- 文字 -->
+  <text x="512" y="850" text-anchor="middle" font-family="PingFang SC, Hiragino Sans GB, sans-serif"
+        font-size="150" font-weight="700" fill="#FFFFFF">小王洁居</text>
+</svg>

小王洁居头像/avatar_v2.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
+  <defs>
+    <linearGradient id="bg2" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0%" stop-color="#4FA8FF"/>
+      <stop offset="100%" stop-color="#2E6FE0"/>
+    </linearGradient>
+  </defs>
+  <rect width="1024" height="1024" rx="220" fill="url(#bg2)"/>
+
+  <!-- 白色圆形底 -->
+  <circle cx="512" cy="450" r="300" fill="#FFFFFF"/>
+
+  <!-- 房子 + 水滴（清洁） -->
+  <g transform="translate(512,440)">
+    <path d="M -180 -20 L 0 -170 L 180 -20 L 180 160 Q 180 195 145 195 L -145 195 Q -180 195 -180 160 Z"
+          fill="#2E6FE0"/>
+    <rect x="-42" y="75" width="84" height="120" rx="16" fill="#FFFFFF"/>
+    <!-- 水滴 -->
+    <path d="M 235 -120 Q 300 -30 300 20 A 65 65 0 0 1 170 20 Q 170 -30 235 -120 Z" fill="#7BC8FF"/>
+  </g>
+
+  <text x="512" y="880" text-anchor="middle" font-family="PingFang SC, Hiragino Sans GB, sans-serif"
+        font-size="130" font-weight="700" fill="#FFFFFF">小王洁居</text>
+</svg>

小王洁居头像/avatar_v3.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
+  <defs>
+    <linearGradient id="bg3" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0%" stop-color="#FF9A5A"/>
+      <stop offset="100%" stop-color="#F2703B"/>
+    </linearGradient>
+  </defs>
+  <rect width="1024" height="1024" rx="220" fill="url(#bg3)"/>
+
+  <!-- 大字「洁」为主视觉 -->
+  <circle cx="512" cy="470" r="310" fill="#FFFFFF"/>
+  <text x="512" y="580" text-anchor="middle" font-family="PingFang SC, Hiragino Sans GB, sans-serif"
+        font-size="360" font-weight="800" fill="#F2703B">洁</text>
+
+  <!-- 星光点缀 -->
+  <g fill="#FFFFFF">
+    <path d="M 790 230 l 12 38 38 12 -38 12 -12 38 -12 -38 -38 -12 38 -12 Z"/>
+    <path d="M 220 700 l 9 28 28 9 -28 9 -9 28 -9 -28 -28 -9 28 -9 Z"/>
+  </g>
+
+  <text x="512" y="900" text-anchor="middle" font-family="PingFang SC, Hiragino Sans GB, sans-serif"
+        font-size="120" font-weight="700" fill="#FFFFFF">小王洁居</text>
+</svg>