note

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 900 1600" preserveAspectRatio="xMidYMid slice" role="img" aria-label="校园主楼 黄昏（竖版）">
  <!-- 笔记站首页背景 · 圆形主楼（竖版 · 黄昏）：
       独立纵向构图——天空在上、主楼居中、台阶前坪在下；
       暖金落日光调，与主站星期背景同一套扁平手绘语言（描边 #3b5268） -->
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    <!-- 鼓楼筒体：顶部微拱的柱形轮廓 -->
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    <g id="cmp-palm">
      <path d="M0 0 Q6 -24 1 -44" fill="none" stroke="#6b5138" stroke-width="6" stroke-linecap="round"/>
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    <g id="cmp-tree">
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      <path d="M0 26 L0 42" stroke="#6b5138" stroke-width="7" stroke-linecap="round"/>
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  <!-- 黄昏天空 -->
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  <!-- 落日（左上）+ 双环光晕 -->
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  <circle cx="188" cy="268" r="80" fill="none" stroke="#f2a24b" stroke-width="4" opacity="0.28"/>
  <circle cx="188" cy="268" r="56" fill="#f5a94e"/>

  <!-- 染霞云群与飞鸟 -->
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  <use href="#cmp-cloud2" transform="translate(600 190) scale(0.8)" fill="#ffeeda" stroke="#3b5268" stroke-width="7" stroke-linejoin="round"/>
  <use href="#cmp-cloud" transform="translate(680 96) scale(0.65)" fill="#ffeeda" stroke="#3b5268" stroke-width="8" stroke-linejoin="round"/>
  <use href="#cmp-cloud2" transform="translate(120 420) scale(0.9)" fill="#ffeeda" stroke="#3b5268" stroke-width="6" stroke-linejoin="round"/>
  <use href="#cmp-bird" transform="translate(540 300)"/>
  <use href="#cmp-bird" transform="translate(614 342) scale(0.75)"/>

  <!-- ===== 主楼群 ===== -->
  <!-- 鼓楼筒体：左冷灰 / 右暖赭双拼，横向绑带层，顶部中央天窗缝 -->
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  <use href="#cmp-drum" fill="none" stroke="#3b5268" stroke-width="6"/>

  <!-- 中央塔楼：顶梁板 + 绑带石墙（圆窗嵌于上段）+ 底层玻璃幕与入口 -->
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          stroke="#d6c29b" stroke-width="3" fill="none"/>
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  <!-- 圆窗（主楼的点睛之笔）：环框 + 深色玻璃 + 内挑台横杆 -->
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  <!-- 塔底玻璃幕 + 双开入口 -->
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  <rect x="404" y="1073" width="92" height="77" fill="#35485c" stroke="#3b5268" stroke-width="4"/>
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  <!-- 东西玻璃幕连接体（暖霞反光） -->
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  <path d="M586 950 V1150 M614 950 V1150" stroke="#46586a" stroke-width="3"/>
  <rect x="563" y="953" width="74" height="44" fill="#f8c78e" opacity="0.3"/>

  <!-- 两翼裙楼 + 檐口板 + 窗阵 -->
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  <rect x="60" y="948" width="200" height="202" fill="#e7d7b7" stroke="#3b5268" stroke-width="5"/>
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    <rect x="78" y="1010" width="32" height="20"/><rect x="132" y="1010" width="32" height="20"/><rect x="186" y="1010" width="32" height="20"/>
    <rect x="78" y="1052" width="32" height="20"/><rect x="132" y="1052" width="32" height="20"/><rect x="186" y="1052" width="32" height="20"/>
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  <rect x="628" y="934" width="224" height="14" fill="#f2e8cf" stroke="#3b5268" stroke-width="4"/>
  <rect x="640" y="948" width="200" height="202" fill="#e7d7b7" stroke="#3b5268" stroke-width="5"/>
  <g fill="#8b9dae" stroke="#3b5268" stroke-width="3">
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  <!-- 入口台阶（三级展开） -->
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  <rect x="275" y="1198" width="350" height="24" fill="#f2e8cf" stroke="#3b5268" stroke-width="4"/>

  <!-- 前坪分缝 -->
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  <!-- 东西草坪与圆冠树 -->
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  <use href="#cmp-tree" transform="translate(205 1282) scale(0.75)"/>
  <use href="#cmp-tree" transform="translate(800 1272)"/>
  <use href="#cmp-tree" transform="translate(695 1282) scale(0.75)"/>

  <!-- 棕榈、灌木与灯柱 -->
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  <use href="#cmp-palm" transform="translate(570 1352) scale(-1 1)"/>
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  <circle cx="660" cy="1245" r="14" fill="#7fa05e" stroke="#3b5268" stroke-width="4"/>
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