first commit

src/components/layout/Header.tsx

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+import { useState, useEffect } from 'react'
+import { Link, useLocation } from '@tanstack/react-router'
+import { menuItems } from '../../data/siteData'
+
+export default function Header() {
+  const [isMenuOpen, setIsMenuOpen] = useState(false)
+  const [isScrolled, setIsScrolled] = useState(false)
+  const [isSearchOpen, setIsSearchOpen] = useState(false)
+  const location = useLocation()
+
+  useEffect(() => {
+    const handleScroll = () => {
+      setIsScrolled(window.scrollY > 80)
+    }
+    window.addEventListener('scroll', handleScroll)
+    return () => window.removeEventListener('scroll', handleScroll)
+  }, [])
+
+  // 关闭菜单当路由变化时
+  useEffect(() => {
+    setIsMenuOpen(false)
+  }, [location.pathname])
+
+  return (
+    <header className={`fixed top-0 left-0 right-0 z-50 transition-all duration-300 ${
+      isScrolled ? 'bg-white shadow-md' : 'bg-transparent'
+    }`}>
+      <nav className="container mx-auto px-4">
+        <div className="flex items-center justify-between py-4">
+          {/* Logo */}
+          <Link to="/" className="flex items-center">
+            <span className={`text-2xl font-bold font-sans transition-colors ${
+              isScrolled ? 'text-primary' : 'text-white'
+            }`}>
+              Finance <span className="text-secondary">Ideas</span>
+            </span>
+          </Link>
+
+          {/* Desktop Navigation */}
+          <div className="hidden lg:flex items-center gap-8">
+            <ul className="flex items-center gap-6">
+              {menuItems.map((item) => (
+                <li key={item.name}>
+                  <Link
+                    to={item.href}
+                    className={`font-medium transition-colors hover:text-secondary ${
+                      isScrolled ? 'text-title' : 'text-white'
+                    } ${location.pathname === item.href ? 'text-secondary' : ''}`}
+                  >
+                    {item.name}
+                  </Link>
+                </li>
+              ))}
+            </ul>
+
+            {/* Search Button */}
+            <button
+              onClick={() => setIsSearchOpen(true)}
+              className={`p-2 transition-colors hover:text-secondary ${
+                isScrolled ? 'text-title' : 'text-white'
+              }`}
+              aria-label="Search"
+            >
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
+              </svg>
+            </button>
+          </div>
+
+          {/* Mobile Menu Button */}
+          <button
+            onClick={() => setIsMenuOpen(!isMenuOpen)}
+            className={`lg:hidden p-2 transition-colors ${
+              isScrolled ? 'text-title' : 'text-white'
+            }`}
+            aria-label="Toggle menu"
+          >
+            {isMenuOpen ? (
+              <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+              </svg>
+            ) : (
+              <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 6h16M4 12h16M4 18h16" />
+              </svg>
+            )}
+          </button>
+        </div>
+
+        {/* Mobile Navigation */}
+        <div className={`lg:hidden overflow-hidden transition-all duration-300 ${
+          isMenuOpen ? 'max-h-64 pb-4' : 'max-h-0'
+        }`}>
+          <ul className="flex flex-col gap-4">
+            {menuItems.map((item) => (
+              <li key={item.name}>
+                <Link
+                  to={item.href}
+                  className={`block font-medium transition-colors hover:text-secondary ${
+                    isScrolled ? 'text-title' : 'text-white'
+                  } ${location.pathname === item.href ? 'text-secondary' : ''}`}
+                >
+                  {item.name}
+                </Link>
+              </li>
+            ))}
+          </ul>
+        </div>
+      </nav>
+
+      {/* Search Popup */}
+      {isSearchOpen && (
+        <div className="fixed inset-0 bg-black/80 flex items-center justify-center z-50">
+          <div className="w-full max-w-2xl px-4">
+            <form className="relative" onSubmit={(e) => e.preventDefault()}>
+              <input
+                type="search"
+                placeholder="Search your Keyword"
+                className="w-full h-16 px-6 pr-14 text-lg rounded-lg border-0 focus:ring-2 focus:ring-primary"
+                autoFocus
+              />
+              <button
+                type="submit"
+                className="absolute right-4 top-1/2 -translate-y-1/2 text-text hover:text-primary"
+              >
+                <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
+                </svg>
+              </button>
+            </form>
+          </div>
+          <button
+            onClick={() => setIsSearchOpen(false)}
+            className="absolute top-8 right-8 text-white text-4xl hover:text-secondary"
+            aria-label="Close search"
+          >
+            &times;
+          </button>
+        </div>
+      )}
+    </header>
+  )
+}