:root{
  --primary:#2f54eb; --primary-dark:#1d39c4; --primary-light:#f0f5ff;
  --text:#1f2329; --text2:#51565d; --text3:#8a919f;
  --bg:#f5f7fa; --card:#fff; --border:#e5e8ef;
  --ok:#52c41a; --warn:#fa8c16; --danger:#f5222d; --cyan:#13c2c2;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
button{font-family:inherit}
a{color:var(--primary);text-decoration:none}

/* ===== 登录页 ===== */
.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1d39c4 0%,#2f54eb 55%,#13c2c2 100%)}
.login-box{background:#fff;border-radius:16px;padding:40px 44px;width:400px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-box h1{font-size:22px;margin-bottom:4px}
.login-box .sub{color:var(--text3);font-size:13px;margin-bottom:26px}
.form-item{margin-bottom:16px}
.form-item label{display:block;font-size:13px;color:var(--text2);margin-bottom:6px}
.form-item input,.form-item select,.form-item textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:14px;outline:none;font-family:inherit;background:#fff;color:var(--text)}
.form-item input:focus,.form-item textarea:focus,.form-item select:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(47,84,235,.12)}
.form-item textarea{resize:vertical;min-height:90px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:8px;padding:9px 18px;font-size:14px;cursor:pointer;background:var(--primary);color:#fff;transition:.15s}
.btn:hover{background:var(--primary-dark)}
.btn.block{width:100%;padding:11px}
.btn.ghost{background:#fff;color:var(--text2);border:1px solid var(--border)}
.btn.ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.btn.sm{padding:5px 12px;font-size:13px;border-radius:6px}
.btn.danger{background:#fff;color:var(--danger);border:1px solid #ffa39e}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ===== 布局 ===== */
.layout{display:flex;min-height:100vh}
.sidebar{width:216px;background:#fff;border-right:1px solid var(--border);position:fixed;top:0;bottom:0;left:0;display:flex;flex-direction:column;z-index:10}
.logo{padding:20px 22px 16px;border-bottom:1px solid var(--border)}
.logo b{font-size:17px;color:var(--primary-dark)}
.logo .sub{font-size:11px;color:var(--text3)}
.nav{flex:1;padding:10px 12px;overflow-y:auto}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--text2);margin-bottom:2px;font-size:14px}
.nav a:hover{background:var(--bg);color:var(--text)}
.nav a.active{background:var(--primary-light);color:var(--primary);font-weight:500}
.nav .badge{margin-left:auto;font-size:10px;background:var(--warn);color:#fff;border-radius:8px;padding:0 6px}
.side-foot{padding:14px 16px;border-top:1px solid var(--border);font-size:12px;color:var(--text3)}
.side-foot .user{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.side-foot b{color:var(--text);font-size:13px}
.main{flex:1;margin-left:216px;padding:24px 28px;max-width:1400px}
.page-title{font-size:19px;font-weight:500;margin-bottom:4px}
.page-desc{color:var(--text3);font-size:13px;margin-bottom:20px}

.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px}
.card h3{font-size:15px;margin-bottom:14px;font-weight:500}
.grid{display:grid;gap:16px}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1000px){.grid.c4{grid-template-columns:repeat(2,1fr)}.grid.c2{grid-template-columns:1fr}}
.stat{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px}
.stat b{display:block;font-size:26px;color:var(--primary)}
.stat span{font-size:12px;color:var(--text3)}
.stat .ic{float:right;font-size:20px;opacity:.7}

/* ===== 表格 ===== */
table.tb{width:100%;border-collapse:collapse;font-size:13.5px}
.tb th{background:#fafbfc;text-align:left;padding:9px 12px;border-bottom:1px solid var(--border);color:var(--text2);font-weight:500;white-space:nowrap}
.tb td{padding:9px 12px;border-bottom:1px solid #f0f2f7;vertical-align:top;color:var(--text2)}
.tb tr:hover td{background:#fafbff}
.tag{display:inline-block;border-radius:5px;padding:1px 8px;font-size:12px}
.tag.blue{background:var(--primary-light);color:var(--primary)}
.tag.green{background:#f6ffed;color:#389e0d;border:1px solid #b7eb8f}
.tag.orange{background:#fff7e6;color:#d46b08;border:1px solid #ffd591}
.tag.red{background:#fff1f0;color:#cf1322;border:1px solid #ffa39e}
.tag.gray{background:#f5f5f5;color:#666;border:1px solid #ddd}
.tag.cyan{background:#e6fffb;color:#08979c;border:1px solid #87e8de}

/* ===== 平台卡片 ===== */
.plat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.plat{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px}
.plat .hd{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.plat .logo-sq{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:500;flex:none}
.plat b{font-size:14px}
.plat .meta{font-size:12px;color:var(--text3);margin-bottom:8px}
.plat .acc{font-size:12px;background:var(--bg);border-radius:6px;padding:4px 8px;margin-bottom:6px;display:flex;justify-content:space-between;align-items:center}
.plat .ops{display:flex;gap:6px;margin-top:8px}

/* ===== 弹窗 ===== */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal{background:#fff;border-radius:14px;width:560px;max-width:96vw;max-height:88vh;display:flex;flex-direction:column}
.modal.wide{width:820px}
.modal .mh{padding:16px 22px;border-bottom:1px solid var(--border);font-size:16px;font-weight:500;display:flex;justify-content:space-between;align-items:center}
.modal .mh .x{cursor:pointer;color:var(--text3);font-size:20px;border:none;background:none}
.modal .mb{padding:18px 22px;overflow-y:auto}
.modal .mf{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}

/* ===== 其它 ===== */
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.toolbar input,.toolbar select{border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:13px;outline:none;background:#fff;color:var(--text)}
.toolbar input:focus,.toolbar select:focus{border-color:var(--primary)}
.empty{padding:40px;text-align:center;color:var(--text3);font-size:13px}
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%);background:#fff;border-radius:10px;padding:11px 20px;box-shadow:0 8px 30px rgba(0,0,0,.15);z-index:200;font-size:14px;display:flex;gap:8px;align-items:center;animation:slidein .2s}
.toast.ok{border-left:4px solid var(--ok)}
.toast.err{border-left:4px solid var(--danger)}
@keyframes slidein{from{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%,0)}}
.md-view{font-size:14px;color:var(--text2)}
.md-view h1{font-size:20px;margin:14px 0 10px}
.md-view h2{font-size:17px;margin:14px 0 8px}
.md-view h3{font-size:15px;margin:12px 0 6px}
.md-view p{margin:8px 0}
.md-view li{margin:4px 0 4px 22px}
.md-view table{border-collapse:collapse;margin:10px 0}
.md-view td,.md-view th{border:1px solid var(--border);padding:5px 10px}
.article-body{width:100%;min-height:420px;border:1px solid var(--border);border-radius:10px;padding:14px;font-family:inherit;font-size:14px;line-height:1.8;outline:none;resize:vertical;color:var(--text)}
.section-block{border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:12px;background:#fff}
.section-block .hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.copy-box{position:relative}
.muted{color:var(--text3);font-size:12px}
.checkline{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text2)}
.pill-tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.pill-tabs button{border:1px solid var(--border);background:#fff;border-radius:20px;padding:5px 16px;font-size:13px;cursor:pointer;color:var(--text2)}
.pill-tabs button.on{background:var(--primary);border-color:var(--primary);color:#fff}