:root { --bg: #f0f0f0; --card: #ffffff; --card-hover: #fafaff; --text: #1f2329; --text-secondary: #646a73; --border: #e3e5ea; --primary: #6c8cff; --primary-light: #e8edff; --icon-color: #5b7bf0; --badge-new-bg: #fff1e0; --badge-new-text: #e67e22; --badge-hot-bg: #ffecec; --badge-hot-text: #e5484d; --radius: 10px; --shadow: 0 2px 10px rgba(79, 70, 229, .08); }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; color: var(--text); line-height: 1.6; background-color: #f0f0f0; background-image: linear-gradient(rgba(79, 70, 229, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(79, 70, 229, 0.04) 1px, transparent 1px); background-size: 10px 10px; min-width: 1100px; }
.doc-sub-header { background: var(--card); border-bottom: 1px solid var(--border); position: fixed; top: -80px; left: 0; width: 100%; z-index: 999; box-shadow: 0 4px 12px rgba(0,0,0,0.05); transition: top 0.2s ease-in-out; }
.doc-sub-header.show { top: 0; }
.doc-header-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; height: 60px; display: flex; align-items: center; gap: 32px; }
.doc-logo { font-size: 18px; font-weight: 600; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.doc-logo-icon { width: 28px; height: 28px; background: var(--primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 14px; font-weight: 700; }
.doc-nav { display: flex; gap: 24px; }
.doc-nav a { color: var(--text-secondary); text-decoration: none; font-size: 14px; padding: 4px 0; border-bottom: 2px solid transparent; }
.doc-nav a.active { color: var(--primary); border-bottom-color: var(--primary); }
.doc-nav a:hover { color: var(--text); }
.container { max-width: 1100px; margin: 0 auto; padding: 32px 24px 64px; }
.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.page-title { font-size: 24px; font-weight: 600; }
.page-sub { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.search-box { position: relative; width: 280px; }
.search-box form { margin: 0; width: 100%; position: relative; }
.search-box input[type="text"] { width: 100%; height: 40px; padding: 0 55px 0 40px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--text); font-size: 14px; outline: none; transition: border-color .2s, box-shadow .2s; }
.search-box input[type="text"]::placeholder { color: var(--text-secondary); }
.search-box input[type="text"]:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108, 140, 255, .15); }
.search-submit-btn { position: absolute; left: 14px; top: 20px; transform: translateY(-50%); background: transparent; border: none; outline: none; cursor: pointer; padding: 0; color: var(--icon-color); font-size: 14px; z-index: 2; display: flex; align-items: center; justify-content: center; transition: color 0.2s; }
.search-submit-btn:hover { color: var(--primary); }
.char-count { position: absolute; right: 12px; top: 20px; transform: translateY(-50%); font-size: 12px; color: #b0b5c0; pointer-events: none; z-index: 1; }
.char-count.warning { color: var(--badge-hot-text); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.filter-btn { display: inline-flex; align-items: center; justify-content: center; padding: 6px 16px; border: 1px solid var(--border); border-radius: 999px; background: var(--card); color: var(--text-secondary); font-size: 13px; text-decoration: none; cursor: pointer; transition: all .2s; }
.filter-btn .fa { margin: 2px 4px 0 2px; color: var(--icon-color); }
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn:hover .fa { color: var(--primary); }
.filter-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.filter-btn.active .fa { color: #fff; }
.doc-list { display: grid; gap: 12px; }
.doc-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; display: flex; align-items: flex-start; gap: 16px; text-decoration: none; color: inherit; transition: border-color .2s, box-shadow .2s, transform .15s, background .2s; }
.doc-item:hover { border-color: var(--primary); background: var(--card-hover); box-shadow: var(--shadow); transform: translateY(-1px); }
.doc-icon { flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; color: var(--icon-color); font-size: 18px; }
.doc-item:hover .doc-icon { color: var(--primary); }
.doc-body { flex: 1; min-width: 0; }
.doc-title { font-size: 16px; font-weight: 500; margin-bottom: 4px; display: flex; align-items: center; }
.doc-item:hover .doc-title { color: var(--primary); }
.doc-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.doc-meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12px; color: var(--text-secondary); }
.doc-meta span { display: inline-flex; align-items: center; gap: 4px; }
.doc-meta .fa { color: var(--icon-color); }
.badge { font-size: 11px; padding: 1px 8px; border-radius: 999px; font-weight: 500; }
.badge-new { background: var(--badge-new-bg); color: var(--badge-new-text); margin: 0 8px;}
.badge-hot { background: var(--badge-hot-bg); color: var(--badge-hot-text); }
.pages { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 32px; }
.pages a { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--text); font-size: 14px; text-decoration: none; cursor: pointer; transition: all .2s; }
.pages a .fa { color: var(--icon-color); }
.pages a:hover { border-color: var(--primary); color: var(--primary); }
.pages a:hover .fa { color: var(--primary); }
.pages a.the_page { background: var(--primary); border-color: var(--primary); color: #fff; pointer-events: none; }
.pages a.the_page .fa { color: #fff; }
.pages a.disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }