/* 后台样式（纯手写，不依赖任何前端框架，宝塔里直接扔上去就能用） */
*{box-sizing:border-box}
body{margin:0;background:#f4f5f7;color:#1c1f23;font:14px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:#2b6cb0;text-decoration:none}
a:hover{text-decoration:underline}

/* 顶部导航 */
.topbar{background:#fff;border-bottom:1px solid #e8eaed;position:sticky;top:0;z-index:30}
.topbar-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:26px;padding:0 18px;height:58px}
.brand{font-weight:700;font-size:16px;white-space:nowrap}
.nav{display:flex;gap:4px;flex:1;overflow-x:auto}
.nav a{padding:7px 13px;border-radius:7px;color:#4a525c;font-size:14px;white-space:nowrap}
.nav a.on{background:#eef4fd;color:#2b6cb0;font-weight:600}
.topbar-right{display:flex;align-items:center;gap:12px;font-size:13px;color:#7a838d}
.logout{color:#7a838d}

/* 布局 */
.container{max-width:1180px;margin:0 auto;padding:22px 18px 40px}
.footer{border-top:1px solid #e8eaed;background:#fff;color:#98a0a8;font-size:12px;padding:16px 0;margin-top:20px}
.container-inner{max-width:1180px;margin:0 auto;padding:0 18px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.page-head h1{font-size:19px;margin:0}
.page-head .desc{color:#8b939c;font-size:13px;margin:4px 0 0}

/* 卡片 */
.card{background:#fff;border:1px solid #eaedf1;border-radius:12px;padding:18px 20px;margin-bottom:18px}
.card h2{font-size:15px;margin:0 0 14px;display:flex;align-items:center;justify-content:space-between}
.card h2 small{color:#98a0a8;font-weight:400;font-size:12px}

/* 漏斗 */
.funnel{display:flex;gap:8px;flex-wrap:wrap}
.step{flex:1;min-width:132px;background:#fafbfc;border:1px solid #eef0f3;border-radius:10px;padding:13px 14px;position:relative}
.step .label{color:#7a838d;font-size:12px}
.step .num{font-size:24px;font-weight:700;margin-top:4px;letter-spacing:-.5px}
.step .rate{font-size:12px;color:#1f9d55;margin-top:2px;min-height:18px}
.step .rate.dim{color:#b6bcc4}
.step.hl{background:#f4faf6;border-color:#d6efdc}
.arrow{align-self:center;color:#c9ced5;font-size:16px}

/* 指标 */
.metrics{display:flex;gap:14px;flex-wrap:wrap}
.metric{flex:1;min-width:150px;background:#fff;border:1px solid #eaedf1;border-radius:12px;padding:16px 18px}
.metric .k{color:#7a838d;font-size:12px}
.metric .v{font-size:22px;font-weight:700;margin-top:5px}
.metric .v small{font-size:13px;font-weight:400;color:#7a838d;margin-left:3px}

/* 表格 */
table.data{width:100%;border-collapse:collapse;font-size:13px}
table.data th{text-align:left;color:#7a838d;font-weight:500;padding:9px 10px;border-bottom:1px solid #eef0f3;white-space:nowrap;background:#fafbfc}
table.data td{padding:10px;border-bottom:1px solid #f4f6f8;vertical-align:middle}
table.data tr:hover td{background:#fafbfc}
table.data .num{text-align:right;font-variant-numeric:tabular-nums}
.scroll{overflow-x:auto}

/* 标签 */
.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;line-height:18px;white-space:nowrap}
.tag.g{background:#eefaf1;color:#1f7a3d}
.tag.r{background:#fdecea;color:#a32218}
.tag.y{background:#fff8ec;color:#a35c00}
.tag.b{background:#eef4fd;color:#2b6cb0}
.tag.n{background:#f2f4f6;color:#7a838d}

/* 表单 */
label{display:block;font-size:13px;color:#4a525c;margin:16px 0 6px}
label .req{color:#d93025}
input[type=text],input[type=password],input[type=number],input[type=date],select,textarea{
    width:100%;padding:10px 12px;border:1px solid #dfe3e8;border-radius:8px;font-size:14px;font-family:inherit;background:#fff}
textarea{min-height:150px;line-height:1.7}
input:focus,select:focus,textarea:focus{outline:0;border-color:#8ab4f8;box-shadow:0 0 0 3px rgba(138,180,248,.18)}
.hint{color:#98a0a8;font-size:12px;margin-top:5px}
.form-row{display:flex;gap:16px;flex-wrap:wrap}
.form-row>div{flex:1;min-width:220px}
.btn{display:inline-block;padding:10px 18px;border:0;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;background:#2b6cb0;color:#fff}
.btn:hover{text-decoration:none;opacity:.94}
.btn.gray{background:#eef0f3;color:#4a525c}
.btn.green{background:#1f9d55}
.btn.red{background:#d93025}
.btn.sm{padding:5px 11px;font-size:12px;font-weight:500}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:22px}

/* 提示条 */
.notice{border-radius:9px;padding:12px 15px;font-size:13px;margin-bottom:16px;line-height:1.7}
.notice.info{background:#eef4fd;color:#245a9e;border:1px solid #d6e4f8}
.notice.warn{background:#fff8ec;color:#a35c00;border:1px solid #ffe6c2}
.notice.err{background:#fdecea;color:#a32218;border:1px solid #f8d6d2}
.notice.ok{background:#eefaf1;color:#1f7a3d;border:1px solid #cdeed6}
.notice code,.mono{background:#f2f4f6;padding:2px 6px;border-radius:4px;font-family:Menlo,Consolas,monospace;font-size:12px;word-break:break-all}
.notice .mono{display:block;margin-top:8px;padding:9px 11px;background:#fff;border:1px solid #e6e9ee}

/* 筛选区 */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.filters>div{flex:0 0 auto}
.filters .grow{flex:1;min-width:180px}
.filters label{margin:0 0 5px}
.seg{display:inline-flex;background:#eef0f3;border-radius:8px;padding:3px;gap:2px}
.seg a{padding:6px 13px;border-radius:6px;color:#4a525c;font-size:13px}
.seg a.on{background:#fff;color:#2b6cb0;font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.seg a:hover{text-decoration:none}

/* 分页 */
.pager{display:flex;gap:6px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.pager a,.pager span{padding:6px 11px;border-radius:7px;border:1px solid #e6e9ee;color:#4a525c;font-size:13px;background:#fff}
.pager .cur{background:#2b6cb0;border-color:#2b6cb0;color:#fff}

/* 登录页 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f4f5f7;padding:24px}
.login-card{width:100%;max-width:380px;background:#fff;border-radius:14px;padding:32px 28px;box-shadow:0 8px 30px rgba(20,30,50,.06)}
.login-card h1{font-size:20px;margin:0 0 4px}
.login-card .sub{color:#8b939c;font-size:13px;margin:0 0 22px}
.login-card button{width:100%;margin-top:24px;padding:13px;background:#2b6cb0;color:#fff;border:0;border-radius:9px;font-size:15px;font-weight:600;cursor:pointer}
.empty{text-align:center;color:#98a0a8;padding:40px 10px;font-size:14px}

/* 小屏适配 */
@media (max-width:720px){
    .topbar-inner{height:auto;flex-wrap:wrap;padding:10px 14px;gap:10px}
    .nav{order:3;width:100%;flex:1 1 100%}
    .container{padding:16px 12px 30px}
    .step{min-width:104px}
    .step .num{font-size:20px}
    .metric{min-width:130px}
}