refactor: migrate login and agree popup to Vant and Tailwind

- replace uni-popup/uni-icons with Vant van-popup/van-icon in AgreePopup
- switch markdown rendering to vue3-markdown-it from zero-markdown-div
- remove unused AgreePopup demo, styles, README and image assets
- refactor login page to use Tailwind utilities instead of legacy SCSS
- replace uni.showToast with auto-imported vant showToast, add global type definition
- update package dependencies and refresh yarn.lock
- clean up unused uni-app specific imports and code

yarn.lock

@@ -1665,6 +1665,11 @@ ansi-styles@^4.0.0, ansi-styles@^4.1.0:
   dependencies:
     color-convert "^2.0.1"
 
+argparse@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.npmmirror.com/argparse/-/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"
+  integrity sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.npmmirror.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -1910,6 +1915,11 @@ entities@^7.0.1:
   resolved "https://registry.npmmirror.com/entities/-/entities-7.0.1.tgz#26e8a88889db63417dcb9a1e79a3f1bc92b5976b"
   integrity sha512-TWrgLOFUQTH994YUyl1yT4uyavY5nNB5muff+RtWaqNVCAK408b5ZnnbNAUEWLTCpum9w6arT70i1XdQ4UeOPA==
 
+entities@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.npmmirror.com/entities/-/entities-2.1.0.tgz#992d3129cf7df6870b96c57858c249a120f8b8b5"
+  integrity sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w==
+
 es-define-property@^1.0.1:
   version "1.0.1"
   resolved "https://registry.npmmirror.com/es-define-property/-/es-define-property-1.0.1.tgz#983eb2f9a6724e9303f61addf011c72e09e0b0fa"
@@ -2105,6 +2115,11 @@ he@^1.2.0:
   resolved "https://registry.npmmirror.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
 
+highlight.js@^11.3.1:
+  version "11.11.1"
+  resolved "https://registry.npmmirror.com/highlight.js/-/highlight.js-11.11.1.tgz#fca06fa0e5aeecf6c4d437239135fabc15213585"
+  integrity sha512-Xwwo44whKBVCYoliBQwaPvtd/2tYFkRQtXDWj1nackaV2JPXx3L0+Jvd8/qCJ2p+ML0/XVkJ2q+Mr+UVdpJK5w==
+
 hookable@^5.5.3:
   version "5.5.3"
   resolved "https://registry.npmmirror.com/hookable/-/hookable-5.5.3.tgz#6cfc358984a1ef991e2518cb9ed4a778bbd3215d"
@@ -2251,6 +2266,13 @@ lightningcss@1.32.0:
     lightningcss-win32-arm64-msvc "1.32.0"
     lightningcss-win32-x64-msvc "1.32.0"
 
+linkify-it@^3.0.1:
+  version "3.0.3"
+  resolved "https://registry.npmmirror.com/linkify-it/-/linkify-it-3.0.3.tgz#a98baf44ce45a550efb4d49c769d07524cc2fa2e"
+  integrity sha512-ynTsyrFSdE5oZ/O9GEf00kPngmOfVwazR5GKDq6EYfhlpFug3J2zybX56a2PRRpc9P+FuSoGNAwjlbDs9jJBPQ==
+  dependencies:
+    uc.micro "^1.0.1"
+
 local-pkg@^1.1.2, local-pkg@^1.2.0:
   version "1.2.1"
   resolved "https://registry.npmmirror.com/local-pkg/-/local-pkg-1.2.1.tgz#9628389399851d78f3b50c9236eddb02f0c31b2b"
@@ -2265,6 +2287,11 @@ lodash.debounce@^4.0.8:
   resolved "https://registry.npmmirror.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
   integrity sha512-FT1yDzDYEoYWhnSGnpE/4Kj1fLZkDFyqRb7fNt6FdYOSxlUWAtp42Eh6Wb0rGIv/m9Bgo7x4GhQbm5Ys4SG5ow==
 
+lodash.flow@^3.5.0:
+  version "3.5.0"
+  resolved "https://registry.npmmirror.com/lodash.flow/-/lodash.flow-3.5.0.tgz#87bf40292b8cf83e4e8ce1a3ae4209e20071675a"
+  integrity sha512-ff3BX/tSioo+XojX4MOsOMhJw0nZoUEF011LX8g8d3gvjVbxd89cCio4BCXronjxcTUIJUoqKEUA+n4CqvvRPw==
+
 lru-cache@^5.1.1:
   version "5.1.1"
   resolved "https://registry.npmmirror.com/lru-cache/-/lru-cache-5.1.1.tgz#1da27e6710271947695daf6848e847f01d84b920"
@@ -2279,11 +2306,90 @@ magic-string@^0.30.17, magic-string@^0.30.21:
   dependencies:
     "@jridgewell/sourcemap-codec" "^1.5.5"
 
+markdown-it-abbr@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.npmmirror.com/markdown-it-abbr/-/markdown-it-abbr-1.0.4.tgz#d66b5364521cbb3dd8aa59dadfba2fb6865c8fd8"
+  integrity sha512-ZeA4Z4SaBbYysZap5iZcxKmlPL6bYA8grqhzJIHB1ikn7njnzaP8uwbtuXc4YXD5LicI4/2Xmc0VwmSiFV04gg==
+
+markdown-it-anchor@^8.4.1:
+  version "8.6.7"
+  resolved "https://registry.npmmirror.com/markdown-it-anchor/-/markdown-it-anchor-8.6.7.tgz#ee6926daf3ad1ed5e4e3968b1740eef1c6399634"
+  integrity sha512-FlCHFwNnutLgVTflOYHPW2pPcl2AACqVzExlkGQNsi4CJgqOHN7YTgDd4LuhgN1BFO3TS0vLAruV1Td6dwWPJA==
+
+markdown-it-deflist@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.npmmirror.com/markdown-it-deflist/-/markdown-it-deflist-2.1.0.tgz#50d7a56b9544cd81252f7623bd785e28a8dcef5c"
+  integrity sha512-3OuqoRUlSxJiuQYu0cWTLHNhhq2xtoSFqsZK8plANg91+RJQU1ziQ6lA2LzmFAEes18uPBsHZpcX6We5l76Nzg==
+
+markdown-it-emoji@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.npmmirror.com/markdown-it-emoji/-/markdown-it-emoji-2.0.2.tgz#cd42421c2fda1537d9cc12b9923f5c8aeb9029c8"
+  integrity sha512-zLftSaNrKuYl0kR5zm4gxXjHaOI3FAOEaloKmRA5hijmJZvSjmxcokOLlzycb/HXlUFWzXqpIEoyEMCE4i9MvQ==
+
+markdown-it-footnote@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.npmmirror.com/markdown-it-footnote/-/markdown-it-footnote-3.0.3.tgz#e0e4c0d67390a4c5f0c75f73be605c7c190ca4d8"
+  integrity sha512-YZMSuCGVZAjzKMn+xqIco9d1cLGxbELHZ9do/TSYVzraooV8ypsppKNmUJ0fVH5ljkCInQAtFpm8Rb3eXSrt5w==
+
+markdown-it-highlightjs@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.npmmirror.com/markdown-it-highlightjs/-/markdown-it-highlightjs-3.6.0.tgz#b567408c633d71e5e4cc33e1d0121a44447d2f29"
+  integrity sha512-ex+Lq3cVkprh0GpGwFyc53A/rqY6GGzopPCG1xMsf8Ya3XtGC8Uw9tChN1rWbpyDae7tBBhVHVcMM29h4Btamw==
+  dependencies:
+    highlight.js "^11.3.1"
+    lodash.flow "^3.5.0"
+
+markdown-it-ins@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.npmmirror.com/markdown-it-ins/-/markdown-it-ins-3.0.1.tgz#c09356b917cf1dbf73add0b275d67ab8c73d4b4d"
+  integrity sha512-32SSfZqSzqyAmmQ4SHvhxbFqSzPDqsZgMHDwxqPzp+v+t8RsmqsBZRG+RfRQskJko9PfKC2/oxyOs4Yg/CfiRw==
+
+markdown-it-mark@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.npmmirror.com/markdown-it-mark/-/markdown-it-mark-3.0.1.tgz#51257db58787d78aaf46dc13418d99a9f3f0ebd3"
+  integrity sha512-HyxjAu6BRsdt6Xcv6TKVQnkz/E70TdGXEFHRYBGLncRE9lBFwDNLVtFojKxjJWgJ+5XxUwLaHXy+2sGBbDn+4A==
+
+markdown-it-sub@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.npmmirror.com/markdown-it-sub/-/markdown-it-sub-1.0.0.tgz#375fd6026eae7ddcb012497f6411195ea1e3afe8"
+  integrity sha512-z2Rm/LzEE1wzwTSDrI+FlPEveAAbgdAdPhdWarq/ZGJrGW/uCQbKAnhoCsE4hAbc3SEym26+W2z/VQB0cQiA9Q==
+
+markdown-it-sup@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.npmmirror.com/markdown-it-sup/-/markdown-it-sup-1.0.0.tgz#cb9c9ff91a5255ac08f3fd3d63286e15df0a1fc3"
+  integrity sha512-E32m0nV9iyhRR7CrhnzL5msqic7rL1juWre6TQNxsnApg7Uf+F97JOKxUijg5YwXz86lZ0mqfOnutoryyNdntQ==
+
+markdown-it-task-lists@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.npmmirror.com/markdown-it-task-lists/-/markdown-it-task-lists-2.1.1.tgz#f68f4d2ac2bad5a2c373ba93081a1a6848417088"
+  integrity sha512-TxFAc76Jnhb2OUu+n3yz9RMu4CwGfaT788br6HhEDlvWfdeJcLUsxk1Hgw2yJio0OXsxv7pyIPmvECY7bMbluA==
+
+markdown-it-toc-done-right@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.npmmirror.com/markdown-it-toc-done-right/-/markdown-it-toc-done-right-4.2.0.tgz#3ccdce22d5022ffae7b991d07261b1b1de5459d0"
+  integrity sha512-UB/IbzjWazwTlNAX0pvWNlJS8NKsOQ4syrXZQ/C72j+jirrsjVRT627lCaylrKJFBQWfRsPmIVQie8x38DEhAQ==
+
+markdown-it@^12.3.2:
+  version "12.3.2"
+  resolved "https://registry.npmmirror.com/markdown-it/-/markdown-it-12.3.2.tgz#bf92ac92283fe983fe4de8ff8abfb5ad72cd0c90"
+  integrity sha512-TchMembfxfNVpHkbtriWltGWc+m3xszaRD0CZup7GFFhzIgQqxIfn3eGj1yZpfuflzPvfkt611B2Q/Bsk1YnGg==
+  dependencies:
+    argparse "^2.0.1"
+    entities "~2.1.0"
+    linkify-it "^3.0.1"
+    mdurl "^1.0.1"
+    uc.micro "^1.0.5"
+
 math-intrinsics@^1.1.0:
   version "1.1.0"
   resolved "https://registry.npmmirror.com/math-intrinsics/-/math-intrinsics-1.1.0.tgz#a0dd74be81e2aa5c2f27e65ce283605ee4e2b7f9"
   integrity sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==
 
+mdurl@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.npmmirror.com/mdurl/-/mdurl-1.0.1.tgz#fe85b2ec75a59037f2adfec100fd6c601761152e"
+  integrity sha512-/sKlQJCBYVY9Ers9hqzKou4H6V5UWc/M59TH2dvkt+84itfnq7uFOMLpOiOS4ujvHP4etln18fmIxA5R5fll0g==
+
 meow@^13.0.0:
   version "13.2.0"
   resolved "https://registry.npmmirror.com/meow/-/meow-13.2.0.tgz#6b7d63f913f984063b3cc261b6e8800c4cd3474f"
@@ -2662,6 +2768,11 @@ typescript@^5.8.3:
   resolved "https://registry.npmmirror.com/typescript/-/typescript-5.9.3.tgz#5b4f59e15310ab17a216f5d6cf53ee476ede670f"
   integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
 
+uc.micro@^1.0.1, uc.micro@^1.0.5:
+  version "1.0.6"
+  resolved "https://registry.npmmirror.com/uc.micro/-/uc.micro-1.0.6.tgz#9c411a802a409a91fc6cf74081baba34b24499ac"
+  integrity sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA==
+
 ufo@^1.6.3:
   version "1.6.4"
   resolved "https://registry.npmmirror.com/ufo/-/ufo-1.6.4.tgz#7a8fb875fcc6382d2c7d0b3692738b0500a92467"
@@ -2840,6 +2951,25 @@ vue-tsc@^2.1.10:
     "@volar/typescript" "2.4.15"
     "@vue/language-core" "2.2.12"
 
+vue3-markdown-it@^1.0.10:
+  version "1.0.10"
+  resolved "https://registry.npmmirror.com/vue3-markdown-it/-/vue3-markdown-it-1.0.10.tgz#c4b0e94990b3f9d66123ef5b775cd7ea177c609b"
+  integrity sha512-mTvHu0zl7jrh7ojgaZ+tTpCLiS4CVg4bTgTu4KGhw/cRRY5YgIG8QgFAPu6kCzSW6Znc9a52Beb6hFvF4hSMkQ==
+  dependencies:
+    markdown-it "^12.3.2"
+    markdown-it-abbr "^1.0.4"
+    markdown-it-anchor "^8.4.1"
+    markdown-it-deflist "^2.1.0"
+    markdown-it-emoji "^2.0.0"
+    markdown-it-footnote "^3.0.3"
+    markdown-it-highlightjs "^3.6.0"
+    markdown-it-ins "^3.0.1"
+    markdown-it-mark "^3.0.1"
+    markdown-it-sub "^1.0.0"
+    markdown-it-sup "^1.0.0"
+    markdown-it-task-lists "^2.1.1"
+    markdown-it-toc-done-right "^4.2.0"
+
 vue@^3.5.13:
   version "3.5.34"
   resolved "https://registry.npmmirror.com/vue/-/vue-3.5.34.tgz#3b256eb30964416af6406a795fcfd7a5773a93c5"