:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --ink: #1c2733;
  --muted: #5b6b7b;
  --line: #d9e1ea;
  --accent: #0f5e8c;
  --accent2: #0d7ea8;
  --ok: #1e7f4f;
  --warn: #a15c00;
  --bad: #a63030;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "Microsoft YaHei", "Hiragino Sans", "Malgun Gothic", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.45;
}
header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 20px; background: linear-gradient(135deg, #0e3a55, #0f5e8c);
  color: #fff; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 44px; height: 44px; border-radius: 10px; background: #fff; color: #0e3a55;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 19px;
}
.brand h1 { font-size: 18px; margin: 0; font-weight: 650; }
.brand .sub { font-size: 12.5px; opacity: .85; }
.controls { display: flex; gap: 8px; }
select {
  padding: 7px 9px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; font-size: 14px; color: var(--ink);
}
header select { border: none; }

nav {
  display: flex; gap: 4px; padding: 8px 14px 0; flex-wrap: wrap;
  background: #e8edf3; border-bottom: 1px solid var(--line);
}
nav button {
  border: 1px solid transparent; border-bottom: none; background: transparent;
  padding: 9px 14px; border-radius: 9px 9px 0 0; cursor: pointer;
  font-size: 14px; color: var(--muted);
}
nav button.active { background: var(--bg); border-color: var(--line); color: var(--accent); font-weight: 600; }
nav button:hover { color: var(--accent); }

main { max-width: 1080px; margin: 0 auto; padding: 18px 16px 40px; }
.view { display: none; }
.view.active { display: block; animation: fade .18s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; } }

h2 { font-size: 20px; margin: 6px 0 14px; color: var(--accent); }
h3 { font-size: 15.5px; margin: 12px 0 8px; color: var(--ink); }

.box {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 16px;
}
.box.notes { background: #fbfcfe; }
.box.notes ul { margin: 6px 0 2px; padding-left: 20px; color: var(--muted); font-size: 13.5px; }
.box.notes li { margin: 4px 0; }

.grid2 { display: grid; grid-template-columns: 1fr 1.2fr; gap: 16px; align-items: start; }
@media (max-width: 760px) { .grid2 { grid-template-columns: 1fr; } }

label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; font-weight: 600; }
label.chk { display: flex; align-items: center; gap: 8px; font-weight: 400; color: var(--ink); }
.row { display: flex; align-items: center; gap: 8px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: start; }
@media (max-width: 640px) { .row3 { grid-template-columns: 1fr; } }
input[type="text"], input[type="number"] {
  flex: 1; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 15px; width: 100%;
}
input:focus, select:focus { outline: 2px solid #bcd7e8; }
.unit { min-width: 34px; color: var(--muted); font-size: 13px; }
.searchrow { display: flex; gap: 8px; flex-wrap: wrap; }
.searchrow input { flex: 2; min-width: 220px; }
.searchrow select { flex: 1; min-width: 150px; }

button.primary {
  margin-top: 14px; background: var(--accent); border: none; color: #fff;
  padding: 10px 18px; border-radius: 8px; font-size: 15px; cursor: pointer; font-weight: 600;
}
button.primary:hover { background: var(--accent2); }

.hint { color: var(--muted); font-size: 14px; padding: 6px 0; }
.muted { color: var(--muted); font-size: 13px; }
.res { margin: 4px 0; }
.res .k { color: var(--muted); font-size: 13px; }
.res .v { font-size: 17px; font-weight: 650; color: var(--ink); }
.res .v small { font-weight: 400; color: var(--muted); font-size: 13px; }
.resgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
@media (max-width: 640px) { .resgrid { grid-template-columns: 1fr; } }
.tag {
  display: inline-block; background: #eaf3f9; color: var(--accent); border: 1px solid #cfe3ef;
  border-radius: 6px; padding: 1px 8px; font-size: 12.5px; margin: 2px 4px 2px 0;
}
.cite { display: inline-block; font-size: 12px; color: var(--muted); border: 1px dashed var(--line); border-radius: 6px; padding: 1px 8px; margin-top: 6px; }

.badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 20px; height: 20px; border-radius: 5px; font-size: 12px; font-weight: 700; color: #fff;
}
.badge.E { background: var(--bad); }
.badge.S { background: var(--warn); }
.badge.N { background: #7a8b9c; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }
.chip {
  border: 1px solid var(--line); background: #fff; border-radius: 14px; padding: 3px 11px;
  font-size: 13px; cursor: pointer; color: var(--muted);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.on { background: var(--accent); color: #fff; border-color: var(--accent); }

.tblwrap { overflow: auto; max-height: 460px; border: 1px solid var(--line); border-radius: 8px; margin-top: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; background: #fff; }
th {
  position: sticky; top: 0; background: #eef3f8; text-align: left; padding: 8px 10px;
  border-bottom: 1px solid var(--line); white-space: nowrap; font-size: 12.5px; color: var(--muted);
}
td { padding: 7px 10px; border-bottom: 1px solid #eef2f6; vertical-align: top; }
tr:hover td { background: #f6fafd; }
td.pno, td.fno { font-weight: 700; color: var(--accent); white-space: nowrap; }
td .uns { color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 16px 0; }
@media (max-width: 860px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; text-decoration: none; color: inherit; cursor: pointer; transition: .15s;
  display: block;
}
.card:hover { border-color: var(--accent); box-shadow: 0 3px 14px rgba(15,94,140,.12); transform: translateY(-1px); }
.card h3 { margin: 0 0 6px; color: var(--accent); }
.card p { margin: 0; color: var(--muted); font-size: 13.5px; }

.hero { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.hero h2 { margin: 0 0 8px; }
.hero p { margin: 0; color: var(--muted); }
.disclaimer { border-left: 4px solid var(--warn); background: #fffaf2; }

.legend { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.vargroup { margin-bottom: 14px; }
.vargroup h3 { border-bottom: 1px solid var(--line); padding-bottom: 4px; }
.varrow { display: flex; gap: 10px; align-items: baseline; padding: 6px 2px; border-bottom: 1px dashed #edf1f5; }
.varrow .para { font-size: 12.5px; color: var(--muted); min-width: 86px; font-family: Consolas, monospace; }
.varrow .sym { color: var(--accent); font-weight: 700; min-width: 20px; text-align: center; }
.varrow .lbl { flex: 1; }
.varrow .b { font-size: 12px; color: var(--muted); }

footer {
  border-top: 1px solid var(--line); color: var(--muted); font-size: 12.5px;
  padding: 14px 20px 26px; text-align: center; max-width: 1080px; margin: 0 auto;
}
.testtable th { position: static; }