/* 这个文件是直接从能正常工作的单文件版中提取的，保证100%可用 */
* { margin: 0; padding: 0; box-sizing: border-box; transition: background-color 0.3s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease; }
body { font-family: 'Inter', sans-serif; line-height: 1.5; display: flex; flex-direction: column; min-height: 100vh; }
body.light-mode { --bg-primary: #f4f7fc; --bg-surface: #ffffff; --bg-card: rgba(255,255,255,0.92); --text-primary: #0f172a; --text-secondary: #334155; --text-muted: #5b6e8c; --border-color: #e2e8f0; --accent: #0ea5e9; --accent-glow: #38bdf8; --header-bg: linear-gradient(145deg, #eef2ff, #e0e7ff); --nav-bg: rgba(255,255,255,0.85); --card-border: rgba(0,0,0,0.05); --shadow-sm: 0 4px 12px rgba(0,0,0,0.04); --shadow-md: 0 10px 20px -5px rgba(0,0,0,0.08); --footer-bg: #f1f5f9; --stat-bg: rgba(0,0,0,0.03); --modal-bg: #ffffff; --tag-original: #10b981; --tag-share: #3b82f6; --tag-recommend: #f59e0b; --tag-default: #6c86a3; }
body.dark-mode { --bg-primary: #0a0c12; --bg-surface: #0f1422; --bg-card: rgba(12,16,28,0.85); --text-primary: #eef2ff; --text-secondary: #cbd5f0; --text-muted: #94a3b8; --border-color: #1e293b; --accent: #22d3ee; --accent-glow: #06b6d4; --header-bg: radial-gradient(ellipse at 70% 30%, #0a0f2a, #020617); --nav-bg: rgba(8,12,25,0.9); --card-border: rgba(34,211,238,0.25); --shadow-sm: 0 8px 20px rgba(0,0,0,0.4); --shadow-md: 0 20px 30px -12px rgba(0,200,255,0.1); --footer-bg: rgba(8,12,25,0.8); --stat-bg: rgba(15,25,45,0.7); --modal-bg: #0f1422; --tag-original: #34d399; --tag-share: #60a5fa; --tag-recommend: #fbbf24; --tag-default: #94a3b8; }
body { background: var(--bg-primary); color: var(--text-primary); }
.main-content { flex: 1; }
.container { max-width: 1280px; margin: 0 auto; padding: 1.2rem 1.5rem; }
.hero { background: var(--header-bg); border-radius: 1.8rem; padding: 1.4rem 2rem; margin-bottom: 2rem; box-shadow: var(--shadow-md); border: 1px solid var(--border-color); position: relative; }
.hero::before, .hero::after { display: none; }
.hero-top-bar { display: flex; justify-content: flex-end; align-items: center; margin-bottom: 0.6rem; }
.theme-toggle { background: var(--bg-card); backdrop-filter: blur(12px); border: 1px solid var(--accent); border-radius: 3rem; padding: 0.4rem 1.1rem; display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 600; color: var(--text-primary); font-size: 0.85rem; }
.theme-toggle i { font-size: 1rem; color: var(--accent); }
.hero-content h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 0.3rem; background: linear-gradient(135deg, var(--text-primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; display: inline-block; }
.hero-content h1 i { background: none; color: var(--accent); margin-right: 8px; }
.hero-content p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.2rem; }
.stats-badge { margin-top: 0.8rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.stat-item { background: var(--stat-bg); backdrop-filter: blur(8px); border-radius: 40px; padding: 0.3rem 0.9rem; font-size: 0.8rem; border: 1px solid var(--border-color); }
.search-bar { margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; background: var(--bg-card); backdrop-filter: blur(12px); border-radius: 2rem; padding: 0.3rem 0.8rem; border: 1px solid var(--border-color); }
.search-bar i { color: var(--accent); font-size: 0.9rem; }
.search-bar input { flex: 1; background: transparent; border: none; padding: 0.6rem 0; font-size: 0.85rem; color: var(--text-primary); outline: none; }
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar .clear-search { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 0.8rem; padding: 0.2rem 0.5rem; border-radius: 1rem; }
.nav-categories { background: var(--nav-bg); backdrop-filter: blur(12px); border-radius: 2rem; padding: 0.5rem 1rem; margin-bottom: 2rem; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0.8rem; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); }
.category-buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cat-btn { background: transparent; border: 1px solid var(--border-color); padding: 0.45rem 1.2rem; border-radius: 2rem; font-weight: 600; font-size: 0.85rem; cursor: pointer; color: var(--text-secondary); }
.cat-btn.active { background: var(--accent); border-color: var(--accent); color: white; box-shadow: 0 0 12px var(--accent-glow); }
.resource-count { font-size: 0.8rem; background: var(--stat-bg); padding: 0.25rem 0.9rem; border-radius: 30px; color: var(--accent); border: 1px solid var(--border-color); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 1.8rem; margin-bottom: 2rem; }
.tool-card { background: var(--bg-card); backdrop-filter: blur(4px); border-radius: 1.5rem; border: 1px solid var(--card-border); overflow: hidden; cursor: pointer; transition: all 0.3s; box-shadow: var(--shadow-sm); }
.tool-card:hover { transform: translateY(-5px); border-color: var(--accent); box-shadow: 0 20px 30px -12px rgba(0,0,0,0.2); }
.card-img-top { height: 100px; background: linear-gradient(145deg, var(--bg-surface), var(--bg-primary)); display: flex; align-items: center; justify-content: center; font-size: 2.5rem; color: var(--accent); border-bottom: 1px solid var(--border-color); }
.card-content { padding: 1rem 1rem 0.6rem; }
.card-badge { display: inline-block; font-size: 0.65rem; background: var(--stat-bg); padding: 0.2rem 0.7rem; border-radius: 20px; font-weight: 600; color: var(--accent); margin-bottom: 0.5rem; border: 1px solid var(--border-color); }
.card-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.3rem; color: var(--text-primary); }
.card-desc { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 0.4rem; }
.card-footer { border-top: 1px solid var(--border-color); padding: 0.6rem 1rem 0.8rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.preview-icon { color: var(--accent); display: flex; align-items: center; gap: 4px; font-size: 0.7rem; }
.resource-tag { font-size: 0.65rem; padding: 0.2rem 0.6rem; border-radius: 20px; font-weight: 500; white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; }
.tag-original { background: var(--tag-original); color: white; }
.tag-share { background: var(--tag-share); color: white; }
.tag-recommend { background: var(--tag-recommend); color: white; }
.tag-default { background: var(--tag-default); color: white; }
.empty-state { grid-column: 1 / -1; text-align: center; background: var(--bg-card); border-radius: 2rem; padding: 3rem; color: var(--text-muted); border: 1px dashed var(--accent); }
.pagination { display: flex; justify-content: center; align-items: center; gap: 0.5rem; margin: 1.5rem 0 2rem; flex-wrap: wrap; }
.page-btn { background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-primary); padding: 0.4rem 0.9rem; border-radius: 2rem; cursor: pointer; font-size: 0.8rem; }
.page-btn:hover { background: var(--accent); color: white; border-color: var(--accent); }
.page-btn.active { background: var(--accent); color: white; border-color: var(--accent); cursor: default; }
.page-btn.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.footer-note { margin-top: 2rem; text-align: center; padding: 1.5rem; background: var(--footer-bg); backdrop-filter: blur(10px); border-radius: 1.8rem; border: 1px solid var(--border-color); }
.clickable-site-name { cursor: pointer; font-weight: bold; color: var(--accent); }
.wechat-list { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; margin-top: 0.8rem; }
.wechat-item { background: var(--bg-surface); display: inline-flex; align-items: center; gap: 8px; padding: 0.4rem 1.2rem; border-radius: 40px; color: var(--accent); border: 1px solid var(--accent); font-size: 0.85rem; cursor: pointer; box-shadow: 0 0 8px var(--accent-glow); }
.copyright { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.8rem; }
.preview-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.92); backdrop-filter: blur(12px); z-index: 2000; display: flex; align-items: center; justify-content: center; visibility: hidden; opacity: 0; transition: 0.2s; }
.preview-modal.active { visibility: visible; opacity: 1; }
.modal-inner { background: var(--modal-bg); width: 90%; max-width: 1100px; height: 85vh; border-radius: 2rem; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--accent); }
.modal-header { padding: 0.8rem 1.5rem; background: var(--bg-primary); display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); }
.modal-body { flex: 1; }
.modal-body iframe { width: 100%; height: 100%; border: none; }
.close-modal { background: none; border: none; color: var(--accent); font-size: 1.8rem; cursor: pointer; }
.open-window-btn { background: var(--bg-primary); border: 1px solid var(--accent); color: var(--accent); padding: 0.25rem 0.8rem; border-radius: 2rem; margin-left: 1rem; cursor: pointer; font-size: 0.7rem; }
.qrcode-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); backdrop-filter: blur(8px); z-index: 2100; display: flex; align-items: center; justify-content: center; visibility: hidden; opacity: 0; }
.qrcode-modal.active { visibility: visible; opacity: 1; }
.qrcard { background: var(--modal-bg); border-radius: 2rem; padding: 1.8rem; text-align: center; max-width: 340px; border: 1px solid var(--accent); }
.qrcard img { width: 180px; height: 180px; margin: 0.8rem 0; border-radius: 1rem; background: white; padding: 6px; }
.close-qr { margin-top: 0.8rem; background: var(--accent); border: none; padding: 0.4rem 1.2rem; border-radius: 2rem; color: white; cursor: pointer; }
@media (max-width: 700px) { .container { padding: 0.8rem 1rem; } .hero-content h1 { font-size: 1.6rem; } .pagination { gap: 0.3rem; } .page-btn { padding: 0.3rem 0.7rem; font-size: 0.7rem; } .card-footer { flex-direction: column; align-items: flex-start; } .resource-tag { white-space: normal; } }
/* ========== 新增样式：置顶标签、底部布局、日期 ========== */

/* 置顶标签颜色 */
.tag-pinned {
    background: #e11d48;
    color: white;
}
body.dark-mode .tag-pinned {
    background: #f43f5e;
    color: white;
}

/* 卡片底部布局优化 */
.card-footer {
    border-top: 1px solid var(--border-color);
    padding: 0.6rem 1rem 0.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* 底部左侧区域：预览图标 + 日期 */
.footer-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.preview-icon {
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
}

/* 日期样式 */
.date-icon {
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.65rem;
}

/* 移动端适配：小屏幕时底部内容改为纵向排列 */
@media (max-width: 700px) {
    .card-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    .footer-left {
        gap: 0.8rem;
    }
}