/* ============================================================ style.css — AIGC 产品导航站样式 设计：浅色主题为主（跟随系统可切换暗色），CSS 变量驱动 ============================================================ */ /* ---------- 1. 设计令牌（Design Tokens） ---------- */ :root { /* 品牌色 */ --brand-1: #6366f1; /* 靛蓝 */ --brand-2: #a855f7; /* 紫 */ --brand-3: #ec4899; /* 粉 */ --gradient: linear-gradient(135deg, var(--brand-1), var(--brand-2) 55%, var(--brand-3)); /* 浅色主题表面 */ --bg: #f6f7fb; --bg-soft: #ffffff; --card-bg: #ffffff; --card-border: #e8eaf2; --hero-text: #1e1b4b; /* 文字 */ --text-1: #1a1c2e; /* 主文字 */ --text-2: #5b5f76; /* 次要文字 */ --text-3: #8b8fa8; /* 辅助文字 */ /* 交互 */ --accent: #6366f1; --accent-weak: #eef0ff; --hot: #f43f5e; --free: #10b981; --focus-ring: #6366f1; /* 布局 */ --radius-lg: 18px; --radius-md: 12px; --radius-sm: 8px; --shadow-card: 0 1px 2px rgba(30, 27, 75, 0.04), 0 8px 24px -12px rgba(30, 27, 75, 0.1); --shadow-card-hover: 0 2px 4px rgba(30, 27, 75, 0.06), 0 16px 40px -12px rgba(99, 102, 241, 0.25); --max-w: 1180px; } /* 暗色主题：通过 切换 */ [data-theme="dark"] { --bg: #0f1020; --bg-soft: #171832; --card-bg: #1b1c38; --card-border: #2a2c50; --hero-text: #e6e6ff; --text-1: #eaeaf6; --text-2: #b3b6d1; --text-3: #7d80a3; --accent: #818cf8; --accent-weak: #262849; --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -12px rgba(0, 0, 0, 0.5); --shadow-card-hover: 0 2px 4px rgba(0, 0, 0, 0.4), 0 16px 40px -12px rgba(99, 102, 241, 0.35); } /* ---------- 2. 基础重置 ---------- */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; } body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text-1); line-height: 1.6; -webkit-font-smoothing: antialiased; transition: background 0.3s ease, color 0.3s ease; } img, svg { display: block; max-width: 100%; } a { color: inherit; text-decoration: none; } button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; } input { font: inherit; } /* 可访问性：所有可交互元素保留可见焦点环 */ :focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; border-radius: var(--radius-sm); } ::selection { background: rgba(99, 102, 241, 0.25); } /* 隐藏文本（用于图标按钮的无障碍标签） */ .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; } /* ---------- 3. 顶部导航 ---------- */ .site-header { position: sticky; top: 0; z-index: 100; /* z-index 仅用于定位元素 */ backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--card-border); } .nav-bar { max-width: var(--max-w); margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; } .brand { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; letter-spacing: 0.2px; } .brand-logo { width: 36px; height: 36px; border-radius: 10px; background: var(--gradient); display: grid; place-items: center; font-size: 19px; box-shadow: 0 4px 12px -2px rgba(99, 102, 241, 0.5); flex-shrink: 0; } .brand-text { background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; } .nav-actions { display: flex; align-items: center; gap: 10px; } .icon-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--card-border); background: var(--bg-soft); font-size: 14px; font-weight: 500; color: var(--text-2); transition: transform 0.15s ease, border-color 0.2s ease, color 0.2s ease; } .icon-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); } /* ---------- 4. Hero 区 ---------- */ .hero { position: relative; overflow: hidden; padding: 64px 24px 56px; text-align: center; } /* 背景装饰光斑 */ .hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.35; pointer-events: none; } .hero::before { width: 420px; height: 420px; background: radial-gradient(circle, var(--brand-1), transparent 70%); top: -160px; left: -120px; } .hero::after { width: 480px; height: 480px; background: radial-gradient(circle, var(--brand-3), transparent 70%); bottom: -200px; right: -140px; } .hero-inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; } .hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: var(--accent-weak); color: var(--accent); font-size: 13px; font-weight: 600; border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); margin-bottom: 20px; } .hero h1 { font-size: clamp(32px, 6vw, 52px); font-weight: 800; line-height: 1.15; color: var(--hero-text); letter-spacing: -0.5px; } .hero h1 .grad { background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; } .hero-desc { margin: 18px auto 0; max-width: 560px; color: var(--text-2); font-size: 16px; } /* 统计信息 */ .hero-stats { margin-top: 22px; display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; } .stat { display: flex; align-items: baseline; gap: 6px; } .stat b { font-size: 22px; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; } .stat span { font-size: 13px; color: var(--text-3); } /* ---------- 5. 搜索框 ---------- */ .search-wrap { margin: 30px auto 0; max-width: 560px; position: relative; } .search-box { display: flex; align-items: center; gap: 10px; padding: 14px 18px; background: var(--bg-soft); border: 1.5px solid var(--card-border); border-radius: 999px; box-shadow: var(--shadow-card); transition: border-color 0.2s ease, box-shadow 0.2s ease; } .search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15); } .search-box svg { flex-shrink: 0; color: var(--text-3); } .search-box input { flex: 1; border: none; outline: none; background: transparent; color: var(--text-1); font-size: 15px; } .search-box input::placeholder { color: var(--text-3); } .search-clear { display: none; padding: 4px 8px; border-radius: 999px; font-size: 12px; color: var(--text-3); border: 1px solid var(--card-border); } .search-clear.visible { display: inline-flex; align-items: center; } /* ---------- 6. 分类 Tab ---------- */ .cat-bar { max-width: var(--max-w); margin: 8px auto 0; padding: 0 24px 8px; display: flex; gap: 10px; overflow-x: auto; scrollbar-width: thin; -webkit-overflow-scrolling: touch; } .cat-tab { flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--card-border); background: var(--bg-soft); color: var(--text-2); font-size: 14px; font-weight: 500; transition: all 0.2s ease; } .cat-tab:hover { color: var(--accent); border-color: var(--accent); } .cat-tab.active { background: var(--gradient); color: #fff; border-color: transparent; box-shadow: 0 4px 14px -4px rgba(99, 102, 241, 0.5); } .cat-tab .count { font-size: 12px; opacity: 0.75; font-weight: 600; } /* ---------- 7. 产品卡片网格 ---------- */ .main { max-width: var(--max-w); margin: 0 auto; padding: 24px 24px 80px; } .result-info { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; color: var(--text-3); font-size: 13.5px; } .result-info .toolbar { display: flex; align-items: center; gap: 8px; } .sort-btn { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--card-border); background: var(--bg-soft); font-size: 13px; color: var(--text-2); transition: all 0.2s ease; } .sort-btn:hover, .sort-btn.active { border-color: var(--accent); color: var(--accent); } .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; } /* 卡片 */ .card { display: flex; flex-direction: column; gap: 12px; padding: 20px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); transition: transform 0.2s ease, box-shadow 0.25s ease, border-color 0.2s ease; position: relative; } .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: color-mix(in srgb, var(--accent) 40%, var(--card-border)); } .card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; } .card-icon { width: 46px; height: 46px; border-radius: var(--radius-md); background: var(--accent-weak); display: grid; place-items: center; font-size: 24px; flex-shrink: 0; border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent); } .card-badges { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; } .badge { font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px; letter-spacing: 0.3px; } .badge.hot { background: rgba(244, 63, 94, 0.12); color: var(--hot); border: 1px solid rgba(244, 63, 94, 0.25); } .badge.free { background: rgba(16, 185, 129, 0.12); color: var(--free); border: 1px solid rgba(16, 185, 129, 0.25); } .card h3 { font-size: 16.5px; font-weight: 700; } .card-desc { color: var(--text-2); font-size: 13.5px; line-height: 1.65; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; } .card-tags { display: flex; flex-wrap: wrap; gap: 6px; } .tag { font-size: 11.5px; padding: 3px 8px; border-radius: 6px; background: var(--bg); color: var(--text-3); border: 1px solid var(--card-border); } .card-actions { display: flex; align-items: center; gap: 8px; padding-top: 4px; } .btn-visit { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 0; border-radius: var(--radius-sm); background: var(--gradient); color: #fff; font-size: 13.5px; font-weight: 600; transition: opacity 0.2s ease, transform 0.15s ease; } .btn-visit:hover { opacity: 0.9; transform: translateY(-1px); } .btn-fav { width: 38px; height: 38px; display: grid; place-items: center; border-radius: var(--radius-sm); border: 1px solid var(--card-border); background: var(--bg-soft); color: var(--text-3); font-size: 17px; transition: all 0.2s ease; } .btn-fav:hover { color: var(--hot); border-color: var(--hot); transform: scale(1.06); } .btn-fav.on { color: var(--hot); border-color: var(--hot); background: rgba(244, 63, 94, 0.08); } /* 空状态 */ .empty { text-align: center; padding: 70px 20px; color: var(--text-3); display: none; } .empty.visible { display: block; } .empty .empty-icon { font-size: 52px; margin-bottom: 14px; } .empty h3 { color: var(--text-2); font-size: 18px; margin-bottom: 6px; } /* 回到顶部 */ .back-top { position: fixed; right: 24px; bottom: 28px; z-index: 90; width: 44px; height: 44px; border-radius: 50%; background: var(--gradient); color: #fff; font-size: 18px; display: grid; place-items: center; box-shadow: 0 8px 24px -6px rgba(99, 102, 241, 0.55); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity 0.25s ease, transform 0.25s ease; } .back-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; } /* ---------- 8. 页脚 ---------- */ .site-footer { border-top: 1px solid var(--card-border); padding: 32px 24px; text-align: center; color: var(--text-3); font-size: 13px; } .site-footer a { color: var(--accent); font-weight: 500; } /* ---------- 9. 骨架屏 / 加载状态 ---------- */ .skeleton { border-radius: var(--radius-lg); background: var(--card-bg); border: 1px solid var(--card-border); height: 210px; animation: pulse 1.4s ease-in-out infinite; } @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } } /* 进入动画 */ .card { animation: cardIn 0.4s ease both; } @keyframes cardIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } } /* ---------- 10. 响应式 ---------- */ @media (max-width: 720px) { .hero { padding: 44px 20px 40px; } .hero-stats { gap: 18px; } .nav-bar { padding: 12px 16px; } .brand-text { font-size: 17px; } .main, .cat-bar { padding-left: 16px; padding-right: 16px; } .grid { grid-template-columns: 1fr; gap: 14px; } .result-info { flex-direction: column; align-items: flex-start; gap: 8px; } } /* 减少动态效果（无障碍偏好） */ @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; } }