:root{
  --bg:#f5f6f8; --card:#fff; --text:#1f2329; --text2:#4b5563; --muted:#8a919c;
  --line:#eef0f3; --line2:#e2e5ea; --hover:#f7f8fa;
  --primary:#2563eb; --primary-weak:#eef3ff; --primary-ink:#1d4ed8;
  --neg:#dc2626; --ok:#15803d; --ok-weak:#ecfdf3; --warn:#b45309; --warn-weak:#fff7ed;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font:14px/1.6 -apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none} a:hover{text-decoration:underline}
h1{font-size:22px;margin:0;font-weight:700;letter-spacing:.2px}
h2{font-size:16px;margin:0 0 12px;font-weight:600}
h3{font-size:14px;margin:18px 0 8px;font-weight:600}
.sub{color:var(--muted);margin:4px 0 0;font-size:13px}
.muted{color:var(--muted)} .neg{color:var(--neg)} .ok{color:var(--ok)}
.num{font-variant-numeric:tabular-nums}
.hl{color:var(--primary-ink);font-weight:700}
.small{font-size:12px}

/* ---------- 顶栏 ---------- */
header.top{background:#fff;border-bottom:1px solid var(--line2);position:sticky;top:0;z-index:20}
header.top .inner{max-width:1240px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:28px;height:56px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--text);white-space:nowrap}
.brand:hover{text-decoration:none}
.brand .logo{width:26px;height:26px;border-radius:7px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:14px}
nav.main{display:flex;gap:2px;flex:1;overflow-x:auto}
nav.main a{padding:6px 12px;border-radius:8px;color:var(--text2);white-space:nowrap}
nav.main a:hover{text-decoration:none;background:var(--hover);color:var(--text)}
nav.main a.on{background:var(--primary-weak);color:var(--primary-ink);font-weight:600}
.menu{position:relative}
.menu summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:8px;color:var(--text2);white-space:nowrap}
.menu summary::-webkit-details-marker{display:none}
.menu summary:hover{background:var(--hover)}
.avatar{width:28px;height:28px;border-radius:50%;background:#e8edf7;color:var(--primary-ink);display:grid;place-items:center;font-weight:600;font-size:13px}
.menu-pop{position:absolute;right:0;top:40px;background:#fff;border:1px solid var(--line2);border-radius:10px;
  box-shadow:0 8px 24px rgba(16,24,40,.12);padding:6px;min-width:150px}
.menu-pop a,.menu-pop button{display:block;width:100%;text-align:left;padding:7px 10px;border-radius:6px;color:var(--text);
  background:none;border:0;font:inherit;cursor:pointer}
.menu-pop a:hover,.menu-pop button:hover{background:var(--hover);text-decoration:none}
.menu-pop .who{padding:6px 10px 8px;color:var(--muted);font-size:12px;border-bottom:1px solid var(--line);margin-bottom:4px}

main{max-width:1240px;margin:0 auto;padding:24px 20px 64px}

/* ---------- 页头 ---------- */
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.section-title{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:28px 0 12px}
.section-title h2{margin:0}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border:1px solid var(--line2);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px;box-shadow:var(--shadow)}
.card.flush{padding:0;overflow:hidden}
.card.flush > .card-head{padding:16px 20px 0}
.card.flush > .tbl-wrap{padding:4px 0 0}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.card-head h2{margin:0}

/* ---------- 指标 ---------- */
.kpis{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-bottom:12px}
.kpi{background:var(--card);border:1px solid var(--line2);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.kpi .label{color:var(--muted);font-size:13px}
.kpi .value{font-size:26px;font-weight:700;margin-top:2px;font-variant-numeric:tabular-nums;letter-spacing:-.3px}
.kpi .value small{font-size:15px;font-weight:600;color:var(--muted);margin-right:2px}
.kpi .foot{color:var(--muted);font-size:12px;margin-top:4px;font-variant-numeric:tabular-nums}
.kpi.main{background:var(--primary);border-color:var(--primary);color:#fff}
.kpi.main .label,.kpi.main .foot,.kpi.main .value small{color:rgba(255,255,255,.8)}
.kpi.main a{color:#fff;text-decoration:underline}
.note{color:var(--muted);font-size:13px;margin:0 0 8px}

/* 收入 − 成本 = 应得 */
.equation{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.equation .term{display:flex;flex-direction:column}
.equation .term span{font-size:12px;color:var(--muted)}
.equation .term b{font-size:16px}
.equation .op{color:var(--muted);font-size:18px}
.equation .term.res b{color:var(--primary-ink)}

/* 项目卡片 */
.proj-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.proj-card{display:block;background:var(--card);border:1px solid var(--line2);border-radius:var(--radius);padding:16px 18px;color:var(--text);
  box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s}
.proj-card:hover{text-decoration:none;border-color:#bcd0f7;box-shadow:0 4px 14px rgba(37,99,235,.08)}
.proj-card .name{font-weight:600;display:flex;justify-content:space-between;gap:8px}
.proj-card .name .arrow{color:var(--muted)}
.proj-card .amt{font-size:22px;font-weight:700;margin:6px 0 10px;font-variant-numeric:tabular-nums}
.proj-card .amt small{font-size:12px;font-weight:400;color:var(--muted);margin-left:4px}
.proj-card .line{display:flex;justify-content:space-between;font-size:13px;color:var(--text2);font-variant-numeric:tabular-nums}
.proj-card .line + .line{margin-top:2px}
.proj-card .tags{margin-bottom:8px}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{color:var(--muted);font-weight:500;font-size:12px;background:#fafbfc;border-bottom-color:var(--line2)}
tbody tr:hover td{background:var(--hover)}
td.r,th.r{text-align:right}
tr.total td{font-weight:600;background:#fafbfc;border-top:1px solid var(--line2)}
tr.total:hover td{background:#fafbfc}
tr.sub td{color:var(--text2)}
tr.sel td{background:var(--primary-weak)}
td.wrap{white-space:normal;min-width:180px}
td.note-cell{white-space:normal;min-width:200px;color:var(--muted);font-size:12px}
table tr:last-child td{border-bottom:0}
th.grp{border-left:1px solid var(--line2)} td.grp{border-left:1px solid var(--line)}

/* ---------- 标签、按钮 ---------- */
.badge{display:inline-block;padding:1px 8px;border-radius:99px;font-size:12px;background:#f1f3f6;color:var(--text2);white-space:nowrap}
.badge.blue{background:var(--primary-weak);color:var(--primary-ink)}
.badge.green{background:var(--ok-weak);color:var(--ok)}
.badge.orange{background:var(--warn-weak);color:var(--warn)}
.btn{display:inline-flex;align-items:center;gap:4px;padding:6px 14px;border-radius:8px;border:1px solid var(--line2);background:#fff;
  color:var(--text);cursor:pointer;font:inherit;font-size:14px;line-height:1.5;white-space:nowrap}
.btn:hover{text-decoration:none;border-color:#c7ccd4;background:var(--hover)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-ink)}
.btn.small{padding:2px 10px;font-size:13px}
.btn.danger{color:var(--neg)}
.btn.ghost{border-color:transparent;background:none;color:var(--muted)}
.btn.ghost:hover{color:var(--neg);background:#fef2f2}
.btn.link{border:none;background:none;color:var(--primary);padding:0}
form.inline{display:inline}

/* ---------- 页签 ---------- */
.seg{display:flex;gap:2px;border-bottom:1px solid var(--line2);margin:0 0 18px;overflow-x:auto}
.seg a{padding:9px 14px;color:var(--text2);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.seg a:hover{text-decoration:none;color:var(--text)}
.seg a.on{border-color:var(--primary);color:var(--primary-ink);font-weight:600}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.chips a,.chips span{padding:3px 12px;border-radius:99px;border:1px solid var(--line2);background:#fff;color:var(--text2);font-size:13px;font-variant-numeric:tabular-nums}
.chips a:hover{text-decoration:none;border-color:#bcd0f7}
.chips a.on{background:var(--primary);border-color:var(--primary);color:#fff}
.chips span b{color:var(--text);font-weight:600;margin-left:4px}

/* ---------- 折叠 ---------- */
details.fold{background:var(--card);border:1px solid var(--line2);border-radius:var(--radius);margin-bottom:16px;box-shadow:var(--shadow)}
details.fold > summary{list-style:none;cursor:pointer;padding:14px 20px;font-weight:600;display:flex;align-items:center;gap:8px}
details.fold > summary::-webkit-details-marker{display:none}
details.fold > summary::before{content:"";width:7px;height:7px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(-45deg);transition:transform .15s;margin-right:4px}
details.fold[open] > summary::before{transform:rotate(45deg)}
details.fold > summary .muted{font-weight:400;font-size:13px;margin-left:auto}
details.fold > .body{padding:0 20px 18px}
details.fold.primary > summary{color:var(--primary-ink)}

/* ---------- 表单 ---------- */
.form-row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin-bottom:12px}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:12px;color:var(--muted)}
.field.grow{flex:1;min-width:200px}
input,select,textarea{font:inherit;padding:6px 10px;border:1px solid var(--line2);border-radius:8px;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:3px solid var(--primary-weak);border-color:var(--primary)}
input.pct{width:72px;text-align:right}
input.money{width:130px;text-align:right}
label.check{display:flex;align-items:center;gap:6px;padding-bottom:7px;color:var(--text2)}

.flash{padding:10px 14px;border-radius:10px;margin-bottom:12px;border:1px solid}
.flash.ok{background:var(--ok-weak);border-color:#bbe5cb;color:#0b6b3a}
.flash.error{background:#fef2f2;border-color:#f5c2c2;color:#a32020}
.flash.warn,.flash.message{background:var(--warn-weak);border-color:#f5dcae;color:#8a5300}

/* 进度条 */
.bar{height:8px;background:#eef0f3;border-radius:99px;overflow:hidden;margin:10px 0 6px}
.bar > i{display:block;height:100%;background:var(--primary);border-radius:99px}
.bar > i.warn{background:#e8a33d} .bar > i.danger{background:var(--neg)}
.alerts{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.alert-head{display:flex;justify-content:space-between;gap:12px;font-size:13px}
.alert-head .pct{font-weight:700;font-size:18px}

/* 规则页 */
.prose{max-width:880px} .prose p,.prose li{line-height:1.8}
.prose code{background:#f2f3f5;padding:1px 6px;border-radius:4px}
.formula{background:#fafbfc;border:1px solid var(--line2);border-radius:8px;padding:12px 16px;
  font-family:ui-monospace,Consolas,monospace;font-size:13px;white-space:pre;overflow-x:auto}

/* ---------- 登录 ---------- */
body.auth{background:#eef2f9}
body.auth main{max-width:none;padding:0}
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:minmax(360px,44%) 1fr}
.auth-side{background:linear-gradient(155deg,#1e40af 0%,#2563eb 55%,#3b82f6 100%);color:#fff;padding:40px 48px;
  display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.auth-side::after{content:"";position:absolute;right:-120px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:rgba(255,255,255,.07)}
.auth-side::before{content:"";position:absolute;right:60px;top:-80px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.05)}
.brand.light{color:#fff}
.brand.light .logo{background:#fff;color:var(--primary)}
.auth-pitch{position:relative;z-index:1}
.auth-pitch h2{font-size:28px;line-height:1.35;margin:0 0 28px;font-weight:700;max-width:360px}
.auth-pitch ul{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.auth-pitch li{display:flex;flex-direction:column;padding-left:16px;border-left:2px solid rgba(255,255,255,.35)}
.auth-pitch li b{font-size:15px}
.auth-pitch li span{color:rgba(255,255,255,.75);font-size:13px}
.auth-foot{color:rgba(255,255,255,.6);font-size:12px;position:relative;z-index:1}
.auth-main{display:grid;place-items:center;padding:40px 24px}
.auth-form{width:100%;max-width:360px}
.auth-form h1{font-size:26px}
.auth-form .sub{margin-bottom:24px}
.auth-form .field{margin-bottom:16px}
.auth-form input:not([type=checkbox]){width:100%;padding:10px 12px;font-size:15px;border-radius:10px}
.auth-form .check{padding:0;margin:2px 0 20px;font-size:13px}
.pw-box{position:relative}
.pw-box input{padding-right:56px !important}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:none;color:var(--muted);
  font:inherit;font-size:12px;cursor:pointer;padding:4px 8px;border-radius:6px}
.pw-toggle:hover{background:var(--hover);color:var(--text)}
.btn.block{width:100%;justify-content:center;padding:11px 14px;font-size:15px;border-radius:10px;letter-spacing:2px}
.mobile-only{display:none}
@media (max-width:820px){
  .auth-wrap{grid-template-columns:1fr}
  .auth-side{display:none}
  .mobile-only{display:flex;margin-bottom:28px}
  .auth-main{align-items:start;padding-top:12vh}
}
.empty{color:var(--muted);text-align:center;padding:28px 0}

@media (max-width:720px){
  header.top .inner{gap:10px;padding:0 12px}
  .brand span.txt,.menu summary .nm{display:none}
  main{padding:16px 12px 40px}
  .kpi .value{font-size:22px}
}