feat(首页工具卡): 图标换成各工具页左上角的 LOGO (v26093020)

- 五张卡的扁平图标换成点进去那个工具页左上角的 LOGO 原图（透明 PNG）：
  数胎动 .brand-logo、孕期体重 img.brand-logo、孕检日历 .hero-brand i、胎儿估重 .lg、数宫缩 svg.brand-logo。
- 孕检日历原图四角有锯齿缺口，补成连续圆角。
- LOGO 不再出血到卡边外，统一离右下角约 10px、挂同一档投影；尺寸按卡片空间重新摆放，
  避开「记录」按钮和标题。卡片底色、版式、跳转、数据回填不变。

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

assets/img/08c0d4c6445b.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120"><g transform="rotate(-12 60 66)"><circle cx="38" cy="30" r="10" fill="#FFFFFF"/><circle cx="53" cy="21" r="7.6" fill="#FFFFFF"/><circle cx="66" cy="19" r="6.8" fill="#FFFFFF"/><circle cx="78" cy="23" r="6" fill="#FFFFFF"/><circle cx="88" cy="31" r="5.4" fill="#FFFFFF"/><path d="M30 52C28 38 60 34 80 38C95 41 97 55 91 67C85 79 79 93 73 103C67 114 50 116 43 105C37 95 39 83 35 73C31 65 29 60 28 52Z" fill="#FFFFFF"/></g><path d="M101 14l2.4 5.6 5.6 2.4-5.6 2.4-2.4 5.6-2.4-5.6-5.6-2.4 5.6-2.4Z" fill="#FFFFFF" opacity=".85"/></svg>

assets/img/0abc42a1a6e1.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120"><rect x="18" y="26" width="84" height="82" rx="18" fill="#FFFFFF"/><path d="M18 50V44a18 18 0 0 1 18-18h48a18 18 0 0 1 18 18v6Z" fill="#4F7A2E"/><rect x="37.5" y="16" width="9" height="20" rx="4.5" fill="#DCEBC9"/><rect x="73.5" y="16" width="9" height="20" rx="4.5" fill="#DCEBC9"/><rect x="30" y="60" width="8" height="8" rx="2.5" fill="#DCEBC9"/><rect x="47" y="60" width="8" height="8" rx="2.5" fill="#DCEBC9"/><rect x="64" y="60" width="8" height="8" rx="2.5" fill="#DCEBC9"/><rect x="81" y="60" width="8" height="8" rx="2.5" fill="#DCEBC9"/><rect x="30" y="74" width="8" height="8" rx="2.5" fill="#DCEBC9"/><rect x="47" y="74" width="8" height="8" rx="2.5" fill="#DCEBC9"/><circle cx="68" cy="78" r="8.5" fill="#4F7A2E"/><path d="M64 78l3 3 5-6" stroke="#FFFFFF" stroke-width="2.6" fill="none" stroke-linecap="round" stroke-linejoin="round"/><rect x="81" y="74" width="8" height="8" rx="2.5" fill="#DCEBC9"/><rect x="30" y="88" width="8" height="8" rx="2.5" fill="#DCEBC9"/><rect x="47" y="88" width="8" height="8" rx="2.5" fill="#DCEBC9"/><rect x="64" y="88" width="8" height="8" rx="2.5" fill="#DCEBC9"/><rect x="81" y="88" width="8" height="8" rx="2.5" fill="#DCEBC9"/></svg>

assets/img/55ee74af0138.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120"><rect x="16" y="36" width="88" height="72" rx="22" fill="#FFFFFF"/><path d="M34 64a26 26 0 0 1 52 0Z" fill="#FFD3CE"/><path d="M60 64L70 48" stroke="#D9575C" stroke-width="4.5" stroke-linecap="round"/><circle cx="60" cy="64" r="5" fill="#D9575C"/><rect x="40" y="78" width="40" height="16" rx="8" fill="#D9575C"/><rect x="47" y="84" width="10" height="4" rx="2" fill="#FFFFFF"/><rect x="63" y="84" width="10" height="4" rx="2" fill="#FFFFFF"/></svg>

assets/img/637bd1a7ef6a.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120"><rect x="50" y="8" width="20" height="9" rx="4.5" fill="#FFFFFF"/><rect x="55" y="15" width="10" height="10" fill="#FFFFFF"/><rect x="85" y="24" width="12" height="9" rx="3" transform="rotate(40 91 28)" fill="#FFFFFF"/><circle cx="60" cy="68" r="43" fill="#FFFFFF"/><circle cx="60" cy="68" r="33" fill="#E3DAF7"/><path d="M60 68V46" stroke="#5B46A0" stroke-width="5" stroke-linecap="round"/><path d="M60 68A22 22 0 0 1 82 68" stroke="#5B46A0" stroke-width="0" fill="none"/><path d="M60 35A33 33 0 0 1 91.4 58.2L60 68Z" fill="#5B46A0" opacity=".25"/><circle cx="60" cy="68" r="5.5" fill="#5B46A0"/></svg>

assets/img/edd9c3b72928.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120"><circle cx="60" cy="54" r="28" fill="#FFD7C8"/><path d="M57 27c-4-7 3-12 8-7" stroke="#FFD7C8" stroke-width="4" fill="none" stroke-linecap="round"/><path d="M50 58q3-3 6 0M64 58q3-3 6 0" stroke="#3E5A99" stroke-width="2.6" fill="none" stroke-linecap="round"/><path d="M12 80h96c0 18-20 30-48 30S12 98 12 80Z" fill="#FFFFFF"/><rect x="12" y="76" width="96" height="8" rx="4" fill="#D6E2F6"/></svg>