:root{
  --brand:#1b4d8f; --brand2:#2f7be6; --brand-soft:#eaf2ff;
  --bg:#f2f5fa; --card:#fff; --txt:#1f2733; --mut:#7b8798;
  --line:#e8edf5; --shadow:0 6px 24px rgba(27,77,143,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.65;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 18px}

/* 顶栏 */
.topbar{background:linear-gradient(120deg,#123663,#1b4d8f 55%,#2f7be6);color:#fff;
  box-shadow:0 2px 14px rgba(18,54,99,.28);position:sticky;top:0;z-index:20}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.5px}
.brand .dot{width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.18);
  display:grid;place-items:center;font-size:15px}
.navlink{color:#fff;margin-left:16px;font-size:14px;opacity:.92;padding:6px 10px;border-radius:8px;transition:.15s}
.navlink:hover{background:rgba(255,255,255,.16);opacity:1}

/* 主布局：侧栏 + 内容 */
.layout{display:grid;grid-template-columns:246px 1fr;gap:22px;align-items:start;
  padding-top:24px;padding-bottom:44px;flex:1}
.content{min-width:0}

/* 侧栏 */
.sidebar{position:sticky;top:84px;display:flex;flex-direction:column;gap:16px}
.sb-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}
.sb-title{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px;margin-bottom:10px;
  padding-left:10px;border-left:3px solid var(--brand2)}
.sb-item{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:10px;font-size:14px;
  color:#37475c;transition:.15s}
.sb-item:hover{background:var(--brand-soft);color:var(--brand)}
.sb-card.advisor{background:linear-gradient(160deg,#eef5ff,#ffffff)}
.sb-card.advisor p{font-size:13px;color:#55637a;margin-bottom:12px}
.sb-btn{display:block;text-align:center;background:var(--brand);color:#fff;font-size:13px;font-weight:600;
  padding:10px;border-radius:10px;transition:.15s}
.sb-btn:hover{background:var(--brand2)}

/* 首页 Hero：居中搜索 */
.hero{background:linear-gradient(150deg,#ffffff,#f3f8ff);border:1px solid var(--line);
  border-radius:20px;padding:52px 26px 46px;text-align:center;box-shadow:var(--shadow);margin-bottom:26px}
.hero h1{font-size:29px;color:#123663;letter-spacing:1px;margin-bottom:10px}
.hero .sub{color:var(--mut);font-size:14px;margin-bottom:28px}
.search{display:flex;gap:10px;max-width:600px;margin:0 auto}
.search input{flex:1;padding:15px 20px;border:1.5px solid #dbe4f0;border-radius:14px;font-size:16px;
  background:#fff;outline:none;transition:.15s}
.search input:focus{border-color:var(--brand2);box-shadow:0 0 0 4px rgba(47,123,230,.12)}
.search button{padding:15px 30px;border:0;border-radius:14px;cursor:pointer;font-size:16px;font-weight:600;
  color:#fff;background:linear-gradient(120deg,#1b4d8f,#2f7be6);transition:.15s;white-space:nowrap}
.search button:hover{filter:brightness(1.08)}
.hot{margin-top:16px;color:var(--mut);font-size:13px}
.hot a{color:var(--brand2);margin:0 6px}

/* 行业分类 */
.section-head{display:flex;align-items:center;justify-content:space-between;margin:6px 0 16px}
.section-head h2{font-size:18px;color:#123663}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(122px,1fr));gap:14px}
.cat{display:flex;flex-direction:column;align-items:center;gap:10px;background:var(--card);
  border:1px solid var(--line);border-radius:16px;padding:20px 10px;transition:.18s;box-shadow:0 2px 10px rgba(27,77,143,.04)}
.cat:hover{transform:translateY(-3px);border-color:#cfe0f8;box-shadow:0 10px 26px rgba(27,77,143,.14)}
.cat-ico{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:25px;
  background:var(--brand-soft)}
.cat-name{font-size:14px;font-weight:600;color:#33445c}

/* 通用 */
.crumb{color:var(--mut);font-size:13px;margin-bottom:14px}
.crumb a{color:var(--brand2)}
.page-title{font-size:20px;color:#123663;margin:2px 0 16px}
.empty{color:var(--mut);padding:40px;text-align:center;background:var(--card);border:1px dashed var(--line);border-radius:14px}

.m-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.m-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;transition:.18s;
  box-shadow:0 2px 10px rgba(27,77,143,.04)}
.m-card:hover{transform:translateY(-2px);border-color:#cfe0f8;box-shadow:0 10px 24px rgba(27,77,143,.12)}
.m-name{font-size:16px;font-weight:700;color:#22314a;margin-bottom:7px}
.m-scope{color:var(--mut);font-size:13px;margin-bottom:8px}
.m-addr{color:#66748a;font-size:13px}

/* 详情 */
.detail{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}
.detail h1{font-size:24px;color:#123663;margin:4px 0 8px}
.badge{display:inline-block;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:20px;margin-bottom:18px}
.info{width:100%;border-collapse:collapse}
.info th,.info td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;font-size:14px}
.info tr:last-child th,.info tr:last-child td{border-bottom:0}
.info th{width:96px;color:var(--mut);font-weight:600}
.info td a{color:var(--brand2);font-weight:600}

/* 后台 */
.login{max-width:340px;margin:70px auto}
.login h2{text-align:center;color:#123663;margin-bottom:18px}
.af{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:26px;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.af input,.af select,.af textarea{flex:1;min-width:170px;padding:11px 13px;border:1px solid #dbe4f0;border-radius:10px;
  font-size:14px;font-family:inherit;outline:none}
.af input:focus,.af select:focus,.af textarea:focus{border-color:var(--brand2)}
.af textarea{min-width:100%;min-height:64px;resize:vertical}
.af button{padding:11px 22px;border:0;border-radius:10px;background:var(--brand);color:#fff;cursor:pointer;font-size:14px;font-weight:600}
.af button:hover{background:var(--brand2)}
.atab{width:100%;border-collapse:collapse;margin-bottom:26px;background:var(--card);border-radius:12px;overflow:hidden}
.atab td,.atab th{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
.tog,.del{padding:6px 12px;border:0;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600}
.tog{background:var(--brand-soft);color:var(--brand)}
.del{background:#fdecec;color:#d64545}
.msg{background:var(--brand-soft);color:var(--brand);padding:11px 15px;border-radius:10px;margin-bottom:16px}
.hint{color:var(--mut);font-size:12px}
.content h2.admin-h{font-size:17px;color:#123663;margin:22px 0 12px}

/* 页脚 */
.foot{color:var(--mut);font-size:13px;border-top:1px solid var(--line);padding:24px 18px 30px;margin-top:auto;
  background:#fff;text-align:center}
.foot b{color:#55637a}

@media(max-width:860px){
  .layout{grid-template-columns:1fr;padding-top:16px}
  .sidebar{position:static;order:2}
  .content{order:1}
  .hero{padding:36px 18px 32px}
  .hero h1{font-size:23px}
  .search{flex-direction:column}
  .search button{width:100%}
}