/* 知识库站点外壳 */
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{margin:0;background:#eeeef4;color:#2b2b2b;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;}
a{color:#3D2C8D;text-decoration:none;}
a:hover{text-decoration:underline;}
.zj-nav{position:sticky;top:0;z-index:20;background:#3D2C8D;color:#fff;
  display:flex;align-items:center;gap:16px;padding:12px 20px;flex-wrap:wrap;
  box-shadow:0 2px 12px rgba(60,44,141,.25);}
.zj-nav .brand{font-weight:800;font-size:18px;color:#fff;white-space:nowrap;}
.zj-nav .brand:hover{text-decoration:none;}
.zj-nav .links{display:flex;gap:14px;flex-wrap:wrap;}
.zj-nav .links a{color:#e8e4ff;font-size:14px;}
.zj-nav .links a:hover{color:#fff;}
.zj-search{margin-left:auto;position:relative;}
.zj-search input{width:240px;max-width:50vw;padding:8px 12px;border:none;border-radius:20px;
  font-size:14px;outline:none;}
.zj-search .results{position:absolute;top:42px;right:0;width:340px;max-height:60vh;overflow:auto;
  background:#fff;color:#2b2b2b;border-radius:10px;box-shadow:0 8px 28px rgba(0,0,0,.18);display:none;}
.zj-search .results.show{display:block;}
.zj-search .results a{display:block;padding:10px 14px;border-bottom:1px solid #eee;font-size:14px;}
.zj-search .results a:hover{background:#f6f5fb;}
.zj-search .results .cat{color:#888;font-size:12px;}
.wrap{max-width:1040px;margin:0 auto;padding:26px 20px 60px;}
.hero{background:#fff;border-radius:14px;padding:30px 28px;margin-bottom:26px;
  box-shadow:0 2px 20px rgba(60,44,141,.07);}
.hero h1{margin:0 0 .3em;color:#2c1f63;font-size:28px;}
.hero p{margin:0;color:#666;}
.hero p.trust{color:#7a6fc7;font-weight:600;font-size:14px;margin-top:10px;}
.hero .cta{display:inline-block;background:#3D2C8D;color:#fff;padding:9px 18px;border-radius:22px;font-size:14px;margin-top:8px;}
.hero .cta:hover{text-decoration:none;background:#2c1f63;}
.feat .feat-card{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(100deg,#fff,#f1eeff);
  border:1px solid #d8d2f0;border-left:5px solid #3D2C8D;border-radius:14px;padding:20px 24px;box-shadow:0 3px 18px rgba(60,44,141,.1);}
.feat .feat-card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 6px 26px rgba(60,44,141,.16);}
.feat .feat-main h3{margin:0 0 6px;color:#2c1f63;font-size:19px;}
.feat .feat-main p{margin:0;color:#555;font-size:14px;}
.feat .feat-go{color:#3D2C8D;font-weight:700;white-space:nowrap;font-size:15px;}
.breadcrumb{font-size:13px;color:#999;margin:0 0 16px;}
.breadcrumb a{color:#7a6fc7;}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin-bottom:34px;}
.cat-card{background:#fff;border-radius:14px;padding:20px;box-shadow:0 2px 16px rgba(60,44,141,.06);
  border:1px solid #e6e4f0;transition:.15s;}
.cat-card:hover{transform:translateY(-3px);box-shadow:0 6px 24px rgba(60,44,141,.14);}
.cat-card h3{margin:0 0 6px;color:#3D2C8D;font-size:19px;}
.cat-card .cnt{color:#999;font-size:13px;}
.doc-list{display:flex;flex-direction:column;gap:14px;}
.doc-card{background:#fff;border-radius:12px;padding:18px 22px;box-shadow:0 2px 14px rgba(60,44,141,.05);
  border-left:4px solid #3D2C8D;}
.doc-card h3{margin:0 0 6px;font-size:18px;}
.doc-card h3 a{color:#2c1f63;}
.doc-card .desc{margin:0;color:#666;font-size:14px;}
.doc-card .tag{display:inline-block;background:#f6f5fb;color:#3D2C8D;border-radius:6px;
  padding:2px 10px;font-size:12px;margin-bottom:8px;}
section.block{margin-bottom:30px;}
section.block > h2{color:#3D2C8D;font-size:22px;margin:0 0 14px;}
.zj-foot{background:#2c1f63;color:#cfc8f5;font-size:13px;line-height:1.9;
  padding:24px 20px;text-align:center;}
.zj-foot a{color:#fff;}
.kb-update{background:#f6f5fb;border-left:4px solid #3D2C8D;color:#5a4fa0;
  font-size:13px;line-height:1.7;padding:10px 14px;border-radius:8px;margin:18px 0 8px;}
@media(max-width:640px){.hero h1{font-size:22px;}.zj-search input{width:160px;}}