:root{--blue:#1e50ae;--blue-d:#163d85;--purple:#3F23B4;--red:#ef4136;--bg:#f5f7fb;--card:#ffffff;--ink:#212121;--ink2:#4d4d4d;--muted:#8a93a6;--line:#e7ebf2;--shadow:0 6px 22px rgba(30,80,174,.08);--shadow-h:0 14px 34px rgba(30,80,174,.18);}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:"Noto Sans SC","Source Han Sans SC","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}a{text-decoration:none;color:inherit}.wrap{max-width:1180px;margin:0 auto;padding:0 20px}.hero{width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);background:linear-gradient(120deg,var(--blue) 0%,var(--purple) 100%);color:#fff;padding:54px 0 60px;position:relative;overflow:hidden}.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.08)}.hero::before{content:"";position:absolute;left:-60px;bottom:-100px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.06)}.hero .tag{display:inline-block;background:rgba(255,255,255,.16);padding:5px 14px;border-radius:30px;font-size:13px;font-weight:500;margin-bottom:16px}.hero h1{font-size:40px;font-weight:900;letter-spacing:1px;margin-bottom:12px}.hero p{font-size:16px;opacity:.92;max-width:680px}.hero .stats{display:flex;gap:34px;margin-top:26px;flex-wrap:wrap}.hero .stats div{font-size:14px;opacity:.9}.hero .stats b{display:block;font-size:26px;font-weight:900}.notice{background:#fff;border:1px solid var(--line);border-left:4px solid var(--red);border-radius:10px;padding:14px 18px;margin:-26px 0 0;position:relative;z-index:2;box-shadow:var(--shadow);font-size:14px;color:var(--ink2)}.notice b{color:var(--red)}.filterbar{position:sticky;top:0;z-index:40;background:rgba(245,247,251,.92);backdrop-filter:blur(6px);padding:14px 0;margin-top:18px}.search{display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:10px 14px;max-width:520px;box-shadow:var(--shadow)}.search input{border:none;outline:none;flex:1;font-size:15px;font-family:inherit}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.chip{font-size:13px;padding:6px 14px;border-radius:30px;background:#fff;border:1px solid var(--line);color:var(--ink2);cursor:pointer;transition:.2s;font-weight:500}.chip:hover{border-color:var(--blue);color:var(--blue)}.chip.active{background:var(--blue);color:#fff;border-color:var(--blue)}.section{padding:34px 0 6px;scroll-margin-top:90px}.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}.sec-ico{width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;flex:none}.sec-head h2{font-size:22px;font-weight:900;color:var(--ink)}.sec-head p{font-size:13px;color:var(--muted);font-weight:500}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.kpost{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 18px 16px;box-shadow:var(--shadow);transition:.25s;position:relative;cursor:pointer;display:flex;flex-direction:column;gap:9px;overflow:hidden}.kpost:hover{transform:translateY(-5px);box-shadow:var(--shadow-h);border-color:rgba(30,80,174,.35)}.kpost .ptitle{font-weight:700;font-size:16.5px;color:var(--ink);line-height:1.45;padding-right:58px}.kpost .pmeta{display:flex;gap:6px;flex-wrap:wrap}.kpost .tags span{font-size:11px;background:#eef2fb;color:var(--blue);padding:3px 9px;border-radius:20px;font-weight:500}.kpost .psum{font-size:13.5px;color:var(--ink2)}.kpost .more{font-size:13px;color:var(--blue);font-weight:600;margin-top:2px}.lvlbadge{position:absolute;top:14px;right:14px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;color:#fff}.lvl1{background:#52b548}.lvl2{background:var(--blue)}.lvl3{background:var(--red)}.empty{text-align:center;color:var(--muted);padding:40px;font-size:15px;display:none}.cta{background:linear-gradient(120deg,#0f2f6b,#3F23B4);color:#fff;border-radius:16px;padding:34px 32px;margin:46px 0 10px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.cta h3{font-size:22px;font-weight:900;margin-bottom:8px}.cta p{font-size:14.5px;opacity:.92;max-width:560px}.cta .btns{display:flex;gap:12px;flex-wrap:wrap}.cta .b1{background:#fff;color:var(--blue);font-weight:700;padding:11px 22px;border-radius:9px;font-size:14px}.cta .b2{border:1.5px solid rgba(255,255,255,.6);color:#fff;font-weight:700;padding:11px 22px;border-radius:9px;font-size:14px}.kb-art .crumb{padding:18px 0 0;font-size:13.5px;color:var(--muted)}.kb-art .crumb a{color:var(--blue);font-weight:500;cursor:pointer}.kb-art .crumb span{margin:0 8px;color:#c5ccdb}.doc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px 34px;box-shadow:var(--shadow);margin:14px 0 20px}.doc h1{font-size:26px;font-weight:900;margin-bottom:12px;line-height:1.4}.doc .pmeta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.doc .pmeta .tag{font-size:11.5px;background:#eef2fb;color:var(--blue);padding:3px 10px;border-radius:20px}.doc .blk{margin:18px 0}.doc .blk h3{font-size:16px;font-weight:900;color:var(--blue);margin-bottom:8px;display:flex;align-items:center;gap:8px}.doc .blk h3::before{content:"";width:5px;height:18px;border-radius:3px;background:var(--blue);display:inline-block}.doc p{font-size:15px;color:var(--ink2);margin-bottom:8px}.doc ol{margin:0 0 4px 22px;font-size:15px;color:var(--ink2)}.doc ol li{margin-bottom:7px}.doc .review{background:#fff7f6;border-left:4px solid var(--red);border-radius:8px;padding:12px 16px;font-size:14px;color:var(--ink2)}.doc .rel{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}.doc .rel a{font-size:13px;padding:7px 14px;border-radius:8px;font-weight:600;border:1px solid var(--line)}.doc .rel a.t{background:rgba(30,80,174,.06);color:var(--blue);border-color:rgba(30,80,174,.2)}.doc .rel a.c{background:rgba(63,35,180,.06);color:var(--purple);border-color:rgba(63,35,180,.2)}.kb-art .back{display:inline-block;margin:6px 14px 16px 0;color:var(--blue);font-weight:600;font-size:14px;cursor:pointer}.totop{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--blue);color:#fff;display:none;align-items:center;justify-content:center;font-size:20px;cursor:pointer;box-shadow:var(--shadow-h);z-index:60}@media(max-width:760px){.menu a{padding:8px 9px;font-size:13px}.brand .sub{display:none}.hero h1{font-size:30px}.cta{flex-direction:column;align-items:flex-start}.doc{padding:20px 18px}}.filter-tip{font-size:13px;color:var(--muted);font-weight:500;margin:0 0 10px}.chips{margin-top:0}.totop{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;box-shadow:var(--shadow-h);z-index:60;text-decoration:none}
a.chip{display:inline-block;text-decoration:none}.kpost-link{position:absolute;inset:0;z-index:3;border-radius:14px}.kb-art{display:none}.kb-art:target{display:block}body:has(.kb-art:target) #lvl1{display:none}@supports not (selector(:has(*))){.kb-art:target{display:block}}
/* ===== 拆分页补充样式（补 .pcard/.plist/.cat/.topbar/.navlinks/.related 等新类名） ===== */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.topbar .brand{font-size:19px;font-weight:900;color:var(--blue)}
.topbar nav{display:flex;gap:22px;flex-wrap:wrap}
.topbar nav a{font-size:14.5px;font-weight:600;color:var(--ink2)}
.topbar nav a:hover{color:var(--blue)}
.cat{padding:34px 0 6px;scroll-margin-top:90px}
.plist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.pcard{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 18px 16px;box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-h);border-color:rgba(30,80,174,.35)}
.badges{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.badge-lvl{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;color:#fff}
.badge-lvl.lvl1{background:#52b548}
.badge-lvl.lvl2{background:var(--blue)}
.badge-lvl.lvl3{background:var(--red)}
.badges .tag,.pcard .tag{font-size:11px;background:#eef2fb;color:var(--blue);padding:3px 9px;border-radius:20px;font-weight:500}
.pcard .t{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.45}
.pcard .s{font-size:13.5px;color:var(--ink2)}
.crumb{padding:18px 0 0;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--blue);font-weight:500}
.crumb span{margin:0 8px;color:#c5ccdb}
.related{margin:38px 0 8px}
.related h3{font-size:18px;font-weight:900;color:var(--ink);margin-bottom:14px}
.navlinks{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:24px 0 6px;font-size:14px}
.navlinks a{color:var(--blue);font-weight:600}
  /* ===== 顶部导航（与主站一致） ===== */
  .nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
  .nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;color:var(--blue);flex:none}
  .brand .logo{width:30px;height:30px;flex:none;display:block;object-fit:contain}
  .menu{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
  .menu a{font-size:14.5px;color:var(--ink2);font-weight:500;transition:.2s}
  .menu a:hover{color:var(--blue)}
  .nav-cta{background:var(--blue);color:#fff;font-weight:700;font-size:14px;padding:9px 20px;border-radius:9px;flex:none;transition:.2s}
  .nav-cta:hover{background:var(--blue-d)}
  /* ===== 页脚（与主站一致） ===== */
  footer{background:#10204a;color:#c7d2ec;padding:44px 0 26px;font-size:13.5px}
  .f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:26px}
  .f-brand{display:flex;align-items:center;gap:10px;font-weight:900;color:#fff;font-size:18px;margin-bottom:12px}
  .f-brand .logo{width:28px;height:28px;flex:none;display:block;object-fit:contain;border-radius:50%;box-shadow:0 0 0 1px rgba(255,255,255,.25)}
  footer .f-desc{line-height:1.8;opacity:.85;max-width:300px}
  footer h4{color:#fff;font-size:14px;margin-bottom:12px;font-weight:700}
  footer a{color:#9fb3e0;display:block;margin-bottom:9px}
  footer a:hover{color:#fff}
  footer .f-note{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;opacity:.75;line-height:1.9}
  footer .f-note a{display:inline;color:#9fb3e0}
  @media(max-width:900px){.menu{display:none}.f-grid{grid-template-columns:1fr 1fr}}
  @media(max-width:560px){.f-grid{grid-template-columns:1fr}}