fix(footer): align template_1 shell with Zibll 1:1

Rewrite footer markup to zib_footer_con contract: single adaptive logo
(white-src/dark-src), fcode-links HTML primary, float third column,
hidden-xs, toggle-radius contacts, miniimg structure, customize-first
footer-conter. Restyle zibll-shell CSS and drop conflicting site-footer
BEM padding so filled footer data matches Zibll layout.

assets/admin/src/schema/sections/page-display/index.js

@@ -898,8 +898,8 @@ export const pageDisplaySchemas = {
         fields: [
           { key: 'footer_contact_m_s', label: '显示设备', type: 'checkbox', default: ['pc', 'mobile'] },
           { key: 'footer_contact_more', label: '更多联系项', type: 'textarea', default: '' },
-          { key: 'fcode_t2_code_1', label: '联系区上方自定义代码', type: 'textarea', default: '' },
-          { key: 'fcode_t2_code_2', label: '联系区下方自定义代码', type: 'textarea', default: '' },
+          { key: 'fcode_t2_code_1', label: '链接 HTML（fcode_t2_code_1）', type: 'textarea', default: '' },
+          { key: 'fcode_t2_code_2', label: '链接下方自定义代码', type: 'textarea', default: '' },
         ],
       },
       {