223 lines
6.3 KiB
Text
223 lines
6.3 KiB
Text
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---
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const navItems = [
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{ href: '/', label: '首页', match: 'index' },
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{ href: '/posts', label: '文章', match: 'posts' },
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{ href: '/tags', label: '标签', match: 'tags' },
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{ href: '/archives', label: '归档', match: 'archives' },
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{ href: '/about', label: '关于', match: 'about' },
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];
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const path = Astro.url.pathname.replace(/\/+$/, '').replace(/^\//, '');
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const current = path === '' ? 'index' : path.split('/')[0];
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---
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<header id="nav" class="nav glass" data-scrolled="0">
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<div class="container nav-inner">
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<a href="/" class="brand">
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<span class="brand-mark">Y</span>
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<span class="brand-text">Yukun<span class="apos">’</span>s Blog</span>
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</a>
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<nav class="nav-links" aria-label="主导航">
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{
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navItems.map((item) => (
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<a
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href={item.href}
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class:list={['nav-link', { active: current === item.match }]}
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aria-current={current === item.match ? 'page' : undefined}
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>
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{item.label}
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</a>
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))
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}
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</nav>
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<button id="search-trigger" class="nav-search" aria-label="搜索文章" title="搜索 (Ctrl+K)">
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<svg viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round">
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<circle cx="11" cy="11" r="7" />
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<line x1="21" y1="21" x2="16.5" y2="16.5" />
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</svg>
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<span class="kbd">Ctrl K</span>
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</button>
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<button id="menu-toggle" class="menu-toggle" aria-label="菜单" aria-expanded="false">
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<span></span><span></span><span></span>
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</button>
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</div>
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<div id="mobile-menu" class="mobile-menu" data-open="0">
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{navItems.map((item) => (
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<a href={item.href} class:list={['mobile-link', { active: current === item.match }]}>{item.label}</a>
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))}
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<button id="search-trigger-mobile" class="mobile-search">搜索文章</button>
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</div>
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</header>
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<style>
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.nav {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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z-index: 90;
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height: var(--nav-h);
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display: flex;
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align-items: center;
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background: transparent;
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border: 0;
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box-shadow: none;
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transition: background 0.35s, box-shadow 0.35s, border-color 0.35s, backdrop-filter 0.35s;
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}
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.nav[data-scrolled='1'] {
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background: var(--glass);
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backdrop-filter: blur(22px) saturate(160%);
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-webkit-backdrop-filter: blur(22px) saturate(160%);
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border-bottom: 1px solid var(--glass-border);
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box-shadow: 0 4px 24px rgba(31, 96, 160, 0.08);
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}
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.nav-inner {
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display: flex;
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align-items: center;
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justify-content: space-between;
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gap: 16px;
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height: 100%;
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}
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.brand {
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display: flex;
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align-items: center;
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gap: 10px;
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font-family: var(--font-display);
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font-weight: 800;
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font-size: 1.1rem;
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color: var(--ink);
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letter-spacing: -0.02em;
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}
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.brand:hover { color: var(--ink); }
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.brand-mark {
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display: grid;
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place-items: center;
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width: 30px; height: 30px;
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border-radius: 9px;
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background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
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color: #fff;
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font-size: 1rem;
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box-shadow: 0 4px 12px rgba(47, 127, 224, 0.4);
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}
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.brand-text .apos { color: var(--blue-400); }
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.nav-links {
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display: flex;
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align-items: center;
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gap: 4px;
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margin-left: auto;
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}
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.nav-link {
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position: relative;
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padding: 8px 14px;
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border-radius: 999px;
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font-weight: 600;
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font-size: 0.95rem;
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color: var(--ink-soft);
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transition: color 0.2s, background 0.2s;
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}
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.nav-link:hover { color: var(--blue-600); background: rgba(132, 194, 255, 0.14); }
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.nav-link.active { color: var(--blue-600); background: rgba(132, 194, 255, 0.2); }
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.nav-link.active::after {
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content: '';
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position: absolute;
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left: 50%;
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bottom: 1px;
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transform: translateX(-50%);
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width: 5px; height: 5px;
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border-radius: 50%;
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background: var(--blue-500);
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}
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.nav-search {
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display: inline-flex;
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align-items: center;
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gap: 8px;
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padding: 7px 12px;
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border-radius: 999px;
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border: 1px solid var(--glass-border);
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background: rgba(255, 255, 255, 0.4);
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color: var(--ink-soft);
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cursor: pointer;
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transition: all 0.2s;
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}
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.nav-search:hover { border-color: var(--blue-300); color: var(--blue-600); }
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.kbd {
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font-size: 0.72rem;
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font-family: var(--font-mono);
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padding: 2px 6px;
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border-radius: 5px;
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background: rgba(132, 194, 255, 0.18);
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color: var(--blue-700);
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}
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.menu-toggle {
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display: none;
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flex-direction: column;
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gap: 5px;
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padding: 10px;
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background: none;
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border: 0;
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cursor: pointer;
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}
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.menu-toggle span {
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width: 22px; height: 2px;
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background: var(--ink);
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border-radius: 2px;
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transition: transform 0.3s, opacity 0.3s;
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}
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.mobile-menu {
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display: none;
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flex-direction: column;
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gap: 4px;
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padding: 12px 16px 16px;
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}
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.mobile-link {
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padding: 12px 14px;
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border-radius: 12px;
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font-weight: 600;
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color: var(--ink);
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}
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.mobile-link.active { background: rgba(132, 194, 255, 0.2); color: var(--blue-600); }
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.mobile-search {
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margin-top: 6px;
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padding: 12px 14px;
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border-radius: 12px;
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border: 1px solid var(--glass-border);
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background: rgba(255, 255, 255, 0.5);
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text-align: left;
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cursor: pointer;
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color: var(--ink-soft);
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}
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/* 移动端：折叠菜单 */
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@media (max-width: 768px) {
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.nav-links, .nav-search { display: none; }
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.menu-toggle { display: flex; }
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.nav[data-scrolled='1'] .mobile-menu,
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.mobile-menu[data-open='1'] {
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display: flex;
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border-top: 1px solid var(--glass-border);
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background: var(--glass-strong);
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backdrop-filter: blur(22px) saturate(160%);
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-webkit-backdrop-filter: blur(22px) saturate(160%);
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}
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.menu-toggle[aria-expanded='true'] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
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.menu-toggle[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
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.menu-toggle[aria-expanded='true'] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
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.mobile-menu[data-open='0'] { display: none; }
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}
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</style>
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<script>
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// 菜单展开
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const toggle = document.getElementById('menu-toggle');
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const menu = document.getElementById('mobile-menu');
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toggle?.addEventListener('click', () => {
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const open = menu?.dataset.open === '1';
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menu!.dataset.open = open ? '0' : '1';
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toggle!.setAttribute('aria-expanded', String(!open));
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});
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</script>
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