EvanAgent/assets/logo/dsh-c-light.svg

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      <stop offset="0" stop-color="#FFFFFF"/>
      <stop offset="1" stop-color="#DFE5F0"/>
    </linearGradient>
    <linearGradient id="gradS" x1="0" y1="0" x2="1" y2="1">
      <stop offset="0" stop-color="#7C3AED"/>
      <stop offset="1" stop-color="#EC4899"/>
    </linearGradient>
    <linearGradient id="sparkC" x1="0" y1="0" x2="0" y2="1">
      <stop offset="0" stop-color="#FDE68A"/>
      <stop offset="1" stop-color="#F59E0B"/>
    </linearGradient>
  </defs>

  <!-- 浅色底板（适合浅色主题 / 启动页） -->
  <rect x="24" y="24" width="976" height="976" rx="240" fill="url(#bgC)"/>

  <!-- D 与 H：深灰蓝 -->
  <g fill="none" stroke="#1E293B" stroke-width="56" stroke-linecap="round" stroke-linejoin="round">
    <path d="M247 408 L247 616 M247 408 C367 408 367 616 247 616"/>
    <path d="M657 408 L657 616 M777 408 L777 616 M657 512 L777 512"/>
  </g>

  <!-- S：紫粉渐变，视觉焦点 -->
  <path d="M553 448 C521 408 441 408 441 456 C441 504 553 520 553 572 C553 616 461 620 433 580"
        fill="none" stroke="url(#gradS)" stroke-width="56" stroke-linecap="round" stroke-linejoin="round"/>

  <!-- H 右上方的小星火：AI 点缀 -->
  <path d="M836 306 C840 328 848 336 870 340 C848 344 840 352 836 374
           C832 352 824 344 802 340 C824 336 832 328 836 306 Z"
        fill="url(#sparkC)"/>
</svg>