style(ui组件): 更新UI组件颜色方案为深色主题

refactor(card): 调整卡片背景色和边框颜色
refactor(badge): 修改徽章颜色变体
refactor(button): 更新按钮颜色样式
refactor(input): 调整输入框颜色方案
refactor(textarea): 修改文本区域颜色样式
refactor(header): 更新导航栏颜色
refactor(hero-section): 调整英雄区域颜色和渐变

.next/server/app/news/3.segments/!KG1hcmtldGluZyk/news.segment.rsc

@@ -1,4 +1,4 @@
 1:"$Sreact.fragment"
 2:I[46510,["/_next/static/chunks/9282d61d30a462aa.js","/_next/static/chunks/d3476b7662fdc498.js"],"default"]
 3:I[33090,["/_next/static/chunks/9282d61d30a462aa.js","/_next/static/chunks/d3476b7662fdc498.js"],"default"]
-0:{"buildId":"2eEJlnf8PUcceYUHGuCke","rsc":["$","$1","c",{"children":[null,["$","$L2",null,{"parallelRouterKey":"children","template":["$","$L3",null,{}]}]]}],"loading":null,"isPartial":false}
+0:{"buildId":"Kn3SI2UPa9QDvPZHEnqOQ","rsc":["$","$1","c",{"children":[null,["$","$L2",null,{"parallelRouterKey":"children","template":["$","$L3",null,{}]}]]}],"loading":null,"isPartial":false}