fix: 恢复各 section 自身的 padding — 避免 Docsy 覆盖冲突

移除全局 section padding:0 覆盖，改用 !important 在各 section
自己的 CSS 中声明 padding，避免与 Docsy 的 td-block-padding 冲突。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: kevinten10

layouts/partials/hooks/head-end.html

@@ -40,12 +40,9 @@
   padding-top: 0 !important;
   padding-bottom: 0 !important;
 }
-/* Remove Docsy's td-block-padding and first-section padding from homepage sections */
+/* Override Docsy's td-block-padding on homepage sections — each section sets its own padding */
 body.td-home .td-default main > section:first-of-type {
   padding-top: 0 !important;
-}
-body.td-home .td-default main section {
-  padding-top: 0 !important;
   padding-bottom: 0 !important;
 }
 body.td-home .td-outer { padding-top: 0 !important; }
@@ -336,7 +333,7 @@
 
 /* ---------- Architecture ---------- */
 .capa-arch {
-  padding: 100px 24px 60px;
+  padding: 100px 24px 60px !important;
   background: var(--apple-bg);
   text-align: center;
 }
@@ -362,7 +359,7 @@
 
 /* ---------- Video ---------- */
 .capa-video {
-  padding: 100px 24px 60px;
+  padding: 100px 24px 60px !important;
   background: #fff;
   text-align: center;
 }
@@ -423,7 +420,7 @@
 
 /* ---------- Features ---------- */
 .capa-features {
-  padding: 40px 24px 100px;
+  padding: 40px 24px 100px !important;
   background: var(--apple-bg);
 }
 
@@ -475,7 +472,7 @@
 
 /* ---------- Article ---------- */
 .capa-article {
-  padding: 100px 24px;
+  padding: 100px 24px !important;
   background: var(--apple-dark);
   position: relative;
   overflow: hidden;
@@ -548,7 +545,7 @@
 
 /* ---------- Code Section ---------- */
 .capa-code {
-  padding: 100px 24px;
+  padding: 100px 24px !important;
   background: #fff;
 }
 
@@ -634,7 +631,7 @@
 
 /* ---------- Community ---------- */
 .capa-community {
-  padding: 100px 24px;
+  padding: 100px 24px !important;
   background: var(--apple-bg);
   text-align: center;
 }