:root{
  --blue:#3b6cff; --indigo:#6366f1; --accent:#4a6cf7;
  --grad:linear-gradient(135deg,#3b82f6,#6366f1);
  --bg:#f6f7fb; --card:#ffffff; --text:#1f2330; --text-2:#6b7280; --text-3:#9aa1ad;
  --border:#ebedf2; --shadow:0 2px 10px rgba(20,30,70,.05); --shadow-h:0 10px 30px rgba(59,108,255,.14);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter','Noto Sans SC',system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}

/* header (与首页一致) */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-in{display:flex;align-items:center;gap:16px;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 6px 16px rgba(59,108,255,.3)}
.logo b{color:var(--blue)}
.nav{display:flex;gap:4px;margin-left:6px}
.nav a{padding:7px 13px;border-radius:9px;color:var(--text-2);font-size:14px;font-weight:600}
.nav a:hover{color:var(--blue);background:rgba(59,108,255,.08)}
.nav a.active{color:#fff;background:var(--grad)}
.header-right{margin-left:auto;display:flex;gap:10px;align-items:center}
.btn{padding:8px 16px;border-radius:10px;font-weight:700;font-size:14px;cursor:pointer;border:none;display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(59,108,255,.28)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-line{background:#fff;border:1px solid var(--border);color:var(--text-2)}
.btn-line:hover{border-color:var(--blue);color:var(--blue)}

/* hero */
.hero{padding:46px 0 26px;text-align:center}
.hero h1{font-size:clamp(26px,4vw,38px);font-weight:900;letter-spacing:-.5px}
.hero h1 b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:10px auto 0;color:var(--text-2);max-width:560px}

/* list */
.list-wrap{padding:10px 0 50px}
.art-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.art-card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:.18s;display:flex;flex-direction:column}
.art-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(59,108,255,.4)}
.art-cover{width:100%;height:164px;object-fit:cover;background:#f1f3f9}
.art-cover.ph{display:grid;place-items:center;color:var(--blue);font-size:42px;font-weight:900}
.art-body{padding:16px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.art-title{font-size:17px;font-weight:800;line-height:1.4}
.art-card:hover .art-title{color:var(--blue)}
.art-sum{color:var(--text-2);font-size:13.5px;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-3)}
.art-badge{color:#fff;background:var(--grad);border-radius:999px;padding:2px 10px;font-weight:700}
.empty{text-align:center;color:var(--text-3);padding:70px 0;font-size:15px}

/* detail */
.article{max-width:840px;margin:0 auto;padding:26px 0 50px}
.breadcrumb{color:var(--text-3);font-size:13px;margin-bottom:14px}
.breadcrumb a:hover{color:var(--blue)}
.article h1{font-size:28px;font-weight:900;line-height:1.35}
.article-meta{display:flex;gap:14px;color:var(--text-3);font-size:13px;margin:12px 0 18px;flex-wrap:wrap;align-items:center}
.art-badge2{color:#fff;background:var(--grad);border-radius:999px;padding:2px 10px;font-weight:700}
.article-cover{width:100%;border-radius:16px;margin-bottom:20px}
.article-content{font-size:15.5px;color:var(--text);line-height:1.95}
.article-content h2{font-size:21px;font-weight:800;margin:26px 0 10px}
.article-content h3{font-size:18px;font-weight:800;margin:20px 0 8px}
.article-content p{margin:12px 0}
.article-content ul,.article-content ol{margin:12px 0 12px 22px}
.article-content li{margin:6px 0}
.article-content a{color:var(--blue);text-decoration:underline}
.article-content img{border-radius:12px;margin:14px 0}
.article-content pre{background:#0f172a;color:#e2e8f0;padding:14px 16px;border-radius:10px;overflow:auto;font-size:13.5px;line-height:1.6}
.article-content code{background:#f1f3f9;padding:2px 6px;border-radius:6px;font-size:13px;font-family:ui-monospace,Menlo,Consolas,monospace}
.article-content pre code{background:none;padding:0;color:inherit}
.article-content blockquote{border-left:4px solid var(--blue);padding:6px 16px;color:var(--text-2);background:rgba(59,108,255,.05);border-radius:0 10px 10px 0;margin:14px 0}
.missing{text-align:center;color:var(--text-3);padding:70px 0}
.missing a{color:var(--blue);font-weight:700}

/* admin */
.admin{max-width:820px;margin:0 auto;padding:26px 0 50px}
.admin h1{font-size:24px;font-weight:900;margin-bottom:6px}
.admin .sub{color:var(--text-2);margin-bottom:18px}
.form{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:14px;margin-bottom:7px}
.field input[type=text],.field textarea,.field select{width:100%;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;outline:none;background:#fff;color:var(--text)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(59,108,255,.1)}
.field textarea{min-height:320px;resize:vertical;line-height:1.7}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.atable{width:100%;border-collapse:collapse;margin-top:26px;background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}
.atable th,.atable td{padding:11px 14px;text-align:left;font-size:13.5px;border-bottom:1px solid var(--border)}
.atable th{background:#fafbff;font-weight:700;color:var(--text-2)}
.atable tr:last-child td{border-bottom:none}
.tag-status{font-size:12px;font-weight:700;padding:2px 9px;border-radius:999px}
.st-1{background:rgba(34,197,94,.12);color:#16a34a}
.st-0{background:rgba(148,163,184,.16);color:#64748b}
.mini{padding:5px 11px;font-size:13px;border-radius:8px}
.alert{background:rgba(239,68,68,.1);color:#dc2626;border:1px solid rgba(239,68,68,.25);padding:10px 14px;border-radius:10px;margin-bottom:16px;font-size:14px}

/* footer */
.footer{border-top:1px solid var(--border);background:#fff;padding:30px 0;margin-top:10px;text-align:center;color:var(--text-3);font-size:13px}
.footer a{color:var(--text-2);font-weight:600}
.footer a:hover{color:var(--blue)}
.disclaimer{margin-top:14px;padding-top:12px;border-top:1px dashed var(--border);font-size:12px;line-height:1.75}
.admin-link{margin-top:10px}

/* 分类筛选条 */
.cat-filter-wrap{padding:6px 0 0}
.cat-filter{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.cat-filter .chip{padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--text-2);font-size:13.5px;font-weight:600;transition:.15s}
.cat-filter .chip:hover{border-color:var(--blue);color:var(--blue)}
.cat-filter .chip.active{background:var(--grad);color:#fff;border-color:transparent}

/* 相关阅读 */
.related{margin-top:38px;padding-top:26px;border-top:1px solid var(--border)}
.related-title{font-size:19px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.rel-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:.18s;display:flex;flex-direction:column}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:rgba(59,108,255,.4)}
.rel-cover{width:100%;height:104px;object-fit:cover;background:#f1f3f9}
.rel-cover.ph{display:grid;place-items:center;color:var(--blue);font-size:28px;font-weight:900}
.rel-body{padding:11px 13px}
.rel-title{font-size:14px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rel-title{color:var(--blue)}
.rel-cat{margin-top:6px;font-size:12px;color:var(--text-3)}

/* 富文本编辑器(Quill) */
.rte{min-height:360px;font-size:14.5px;background:#fff}
.ql-toolbar.ql-snow{border:1px solid var(--border);border-radius:10px 10px 0 0}
.ql-container.ql-snow{border:1px solid var(--border);border-radius:0 0 10px 10px;font-family:inherit}
.rte-fallback{width:100%;min-height:360px;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-family:inherit;font-size:14px;line-height:1.7}

@media(max-width:900px){
  .nav{display:none}
  .row2{grid-template-columns:1fr}
}