:root{
  --ink:#16202b; --sub:#5b6b7c; --line:#e3e8ef; --bg:#f5f7fa;
  --blue:#1f6feb; --blue-d:#1758bb; --gold:#b8860b; --ok:#0f9d58; --bad:#d93025;
  --card:#fff; --radius:14px; --shadow:0 1px 2px rgba(16,32,56,.06),0 8px 24px rgba(16,32,56,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
img{max-width:100%}
/* ---------- 顶栏 ---------- */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;padding:10px 28px;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;min-width:210px}
.brand .logo{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#1f6feb,#0b3d91);color:#fff;font-size:19px}
.brand b{display:block;font-size:15px;line-height:1.25}
.brand small{color:var(--sub);font-size:11.5px}
.nav{display:flex;gap:6px;flex:1;flex-wrap:wrap}
.nav a{padding:7px 13px;border-radius:9px;color:var(--sub);font-size:14px}
.nav a:hover{background:#eef3fb;color:var(--blue)}
.userbox{display:flex;align-items:center;gap:12px}
.uname{font-size:13.5px;color:var(--ink)}
.uname em{font-style:normal;margin-left:6px;font-size:11px;color:var(--blue);background:#eaf1fe;border-radius:20px;padding:2px 8px}
.wrap{max-width:1180px;margin:0 auto;padding:26px 20px 40px}
.wrap.full{padding:0;max-width:none}
/* ---------- 通用元件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:10px;border:1px solid var(--blue);background:var(--blue);color:#fff;font-size:14.5px;font-weight:600;cursor:pointer;transition:.18s;white-space:nowrap}
.btn:hover{background:var(--blue-d);border-color:var(--blue-d)}
.btn.ghost{background:#fff;color:var(--blue)}
.btn.ghost:hover{background:#eef3fb}
.btn.gray{background:#fff;border-color:var(--line);color:var(--sub)}
.btn.gray:hover{background:#f3f5f8}
.btn.gold{background:var(--gold);border-color:var(--gold)}
.btn.gold:hover{background:#9c7009;border-color:#9c7009}
.btn.sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn.block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px;margin-bottom:18px}
.card h2{margin:0 0 14px;font-size:18px}
.card h3{margin:20px 0 8px;font-size:15.5px}
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;background:#eef2f7;color:var(--sub)}
.pill.ok{background:#e6f4ea;color:#0f7b43}
.pill.bad{background:#fce8e6;color:#b3261e}
.pill.blue{background:#eaf1fe;color:var(--blue)}
.pill.gold{background:#fdf3d8;color:#8a6508}
.muted{color:var(--sub)}
.small{font-size:13px}
.center{text-align:center}
.mt{margin-top:16px}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
/* 进度条 */
.bar{height:8px;border-radius:20px;background:#e9eef5;overflow:hidden}
.bar > i{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,#3b82f6,#1f6feb)}
/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(1200px 500px at 50% -10%,#e8f0ff 0%,#f5f7fa 60%)}
.login-card{width:min(440px,92vw);background:#fff;border-radius:20px;box-shadow:0 20px 60px rgba(16,32,56,.12);padding:38px 34px;border:1px solid #eef1f6}
.login-card .logo{width:52px;height:52px;border-radius:15px;background:linear-gradient(135deg,#1f6feb,#0b3d91);color:#fff;display:grid;place-items:center;font-size:25px;margin-bottom:16px}
.login-card h1{font-size:21px;margin:0 0 6px}
.login-card p.sub{color:var(--sub);font-size:13.5px;margin:0 0 22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--sub);margin-bottom:6px}
input[type=text],input[type=password],input[type=number],select,textarea{width:100%;padding:11px 13px;border:1px solid #d8e0ea;border-radius:10px;font-size:14.5px;font-family:inherit;background:#fff;color:var(--ink);outline:none;transition:.15s}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,111,235,.12)}
textarea{resize:vertical;line-height:1.7}
.err{background:#fce8e6;color:#b3261e;padding:9px 13px;border-radius:9px;font-size:13.5px;margin-bottom:14px}
/* ---------- 学习台 ---------- */
.hero{padding:6px 2px 18px}
.hero h1{margin:0 0 6px;font-size:25px;letter-spacing:-.3px}
.hero p{margin:0;color:var(--sub);font-size:14px}
.sys-card{position:relative;overflow:hidden;padding:26px 26px 22px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:block;color:inherit}
.sys-card:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(16,32,56,.10);transition:.2s}
.sys-card .ico{font-size:30px}
.sys-card h3{margin:10px 0 4px;font-size:19px}
.sys-card .meta{color:var(--sub);font-size:13px;margin-bottom:16px}
.sys-card .stat{display:flex;justify-content:space-between;font-size:12.5px;color:var(--sub);margin-bottom:6px}
/* 模块列表 */
.mod{display:flex;align-items:center;gap:16px;padding:16px 18px;border:1px solid var(--line);border-radius:13px;background:#fff;margin-bottom:10px;transition:.16s}
.mod:hover{border-color:#cfdcf0;box-shadow:0 3px 14px rgba(16,32,56,.06)}
.mod .num{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#f0f4fa;color:var(--sub);font-weight:700;font-size:14px;flex:none}
.mod.done .num{background:#e6f4ea;color:#0f7b43}
.mod.locked{opacity:.62}
.mod .body{flex:1;min-width:0}
.mod .body b{display:block;font-size:15.5px;margin-bottom:3px}
.mod .body span{font-size:12.5px;color:var(--sub)}
.mod .side{display:flex;align-items:center;gap:12px;flex:none}
.tag{font-size:11.5px;padding:2px 8px;border-radius:6px;background:#f0f4fa;color:var(--sub)}
/* 文章 */
.article{font-size:15.5px;line-height:1.95;color:#243244}
.article h3{font-size:17px;margin:26px 0 10px;padding-left:10px;border-left:4px solid var(--blue)}
.article h4{font-size:15.5px;margin:20px 0 8px}
.article p{margin:10px 0}
.article ul,.article ol{margin:10px 0 10px 22px;padding:0}
.article li{margin:5px 0}
.article strong{color:#0f2744}
.article blockquote{margin:14px 0;padding:12px 16px;background:#f7f9fc;border-left:3px solid #c8d6ea;color:#41546b;border-radius:0 10px 10px 0}
.article code{background:#f0f4fa;padding:1px 6px;border-radius:5px;font-size:13px}
.tbl{overflow-x:auto;margin:14px 0}
.tbl table{border-collapse:collapse;width:100%;font-size:14px;min-width:520px}
.tbl th,.tbl td{border:1px solid #e3e8ef;padding:9px 12px;text-align:left;vertical-align:top}
.tbl th{background:#f4f7fb;font-weight:600}
/* 节导航 */
.crumb{font-size:13px;color:var(--sub);margin-bottom:14px}
.crumb a{color:var(--sub)}
.crumb a:hover{color:var(--blue)}
.secnav{display:flex;justify-content:space-between;gap:12px;margin-top:24px}
.media{margin:16px 0;display:flex;flex-wrap:wrap;gap:12px}
.media img{width:260px;border-radius:10px;border:1px solid var(--line);cursor:zoom-in}
.media video{width:100%;max-width:620px;border-radius:10px;background:#000}
/* 测验 */
.q{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:14px}
.q .qt{font-weight:600;margin-bottom:12px;line-height:1.7}
.q .qt .no{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:7px;background:#eaf1fe;color:var(--blue);font-size:12.5px;margin-right:8px;vertical-align:1px}
.opt{display:flex;gap:10px;padding:10px 13px;border:1px solid #e3e8ef;border-radius:10px;margin-bottom:8px;cursor:pointer;transition:.14s;font-size:14.5px}
.opt:hover{background:#f7f9fc;border-color:#cfdcf0}
.opt input{margin-top:5px;flex:none}
.opt.correct{border-color:#9ed3b0;background:#f0faf3}
.opt.wrong{border-color:#f0b3ae;background:#fdf3f2}
.opt .fb{font-size:12.5px;color:var(--sub);margin-top:4px}
.ansbox{background:#f7f9fc;border:1px dashed #cfdcf0;border-radius:10px;padding:12px 14px;font-size:14px;margin-top:10px}
.score-big{font-size:52px;font-weight:700;letter-spacing:-2px;line-height:1}
/* 手册卡片 */
.cardlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.mcard h3{margin:0 0 10px;font-size:15.5px;color:#0f2744}
.mcard .article{font-size:14px;line-height:1.85}
/* 表格 */
table.data{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff}
table.data th,table.data td{border-bottom:1px solid var(--line);padding:10px 10px;text-align:left;vertical-align:middle}
table.data th{background:#f7f9fc;font-weight:600;color:var(--sub);white-space:nowrap}
table.data tr:hover td{background:#fbfcfe}
/* 管理端 */
.admin-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.admin-tabs a{padding:8px 14px;border-radius:10px;background:#fff;border:1px solid var(--line);color:var(--sub);font-size:14px}
.admin-tabs a.on,.admin-tabs a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.kpi .k{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px 18px}
.kpi .k b{display:block;font-size:26px;letter-spacing:-1px}
.kpi .k span{font-size:12.5px;color:var(--sub)}
/* 页脚 */
.foot{padding:26px 20px 40px;max-width:1180px;margin:0 auto}
.disclaimer{font-size:11.5px;line-height:1.8;color:#8a97a6;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:0 0 12px}
.copy{text-align:center;font-size:12px;color:#9aa6b4;margin:0}
/* toast */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);background:#16202b;color:#fff;padding:11px 20px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:99}
.toast.show{opacity:1;transform:translate(-50%,0)}
/* 响应 */
@media(max-width:900px){
  .topbar{padding:10px 14px;gap:10px;flex-wrap:wrap}
  .brand{min-width:auto}
  .nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}
  .nav a{white-space:nowrap}
  .wrap{padding:16px 12px 30px}
  .grid.c2,.grid.c3{grid-template-columns:1fr}
  .card{padding:18px 16px}
  .mod{gap:10px;padding:13px 13px}
  .article{font-size:15px}
  .score-big{font-size:42px}
}
/* ---- 信贷中台补充 ---- */
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px 18px;margin:6px 0 2px}
.kv .i{border-bottom:1px dashed #e7ecf3;padding:6px 0}
.kv .i span{display:block;font-size:11.5px;color:#7b8a9b}
.kv .i b{font-size:14px;font-weight:600}
.sec-title{font-size:13px;color:#7b8a9b;margin:18px 0 8px;letter-spacing:.5px}
.plan{border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:12px;background:#fff}
.plan.best{border-color:#9ec5ff;box-shadow:0 0 0 3px rgba(31,111,235,.08)}
.plan .h{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap}
.plan .h b{font-size:15.5px}
.plan .nums{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px 14px;margin:12px 0 6px}
.plan .nums div span{display:block;font-size:11.5px;color:#7b8a9b}
.plan .nums div b{font-size:15px}
.plan .risk{background:#fff9ec;border:1px solid #f5e2b8;border-radius:10px;padding:9px 12px;font-size:12.5px;color:#8a6508;margin-top:8px}
.tag2{font-size:11px;padding:2px 7px;border-radius:6px;background:#eef3fb;color:#1f6feb;margin-left:6px}
.fieldset{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:14px}
.fieldset legend{font-size:13px;font-weight:600;color:#33506f;padding:0 6px}
.chk{display:inline-flex;align-items:center;gap:6px;font-size:14px;margin-right:18px}
.note{background:#f3f7ff;border:1px solid #d8e6ff;border-radius:10px;padding:10px 14px;font-size:12.5px;color:#2d5b9e;line-height:1.7}
.warnbox{background:#fff4f2;border:1px solid #f6cfc9;border-radius:10px;padding:10px 14px;font-size:12.5px;color:#b3261e;line-height:1.7}
@media print{.topbar,.foot,.btn{display:none!important}body{background:#fff}}