:root {
  --blue: #1565c0; --dark: #0d47a1; --teal: #00897b; --orange: #ef6c00; --red: #c62828; --green: #2e7d32;
  --text: #1f2933; --muted: #6b7685; --line: #e1e5ea; --bg: #f4f6f8; --card: #fff; --hover: #f0f5ff;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--blue); text-decoration: none; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* 登录 */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, var(--blue), var(--dark)); padding: 16px; }
.login-card { background: #fff; width: 380px; max-width: 100%; padding: 32px; border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.login-org { color: var(--blue); font-weight: 600; }
.login-card h1 { font-size: 22px; margin: 4px 0 22px; }
.login-card label { display: block; margin-bottom: 14px; color: var(--muted); }
.login-card input { display: block; width: 100%; margin-top: 6px; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }
.side { width: 220px; background: #0f2a52; color: #cfd8e3; flex-shrink: 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { padding: 20px 18px 16px; border-bottom: 1px solid rgba(255,255,255,.08); }
.brand-org { font-size: 12px; color: #8fb3e8; }
.brand-name { font-size: 18px; font-weight: 700; color: #fff; }
nav .group { padding: 14px 18px 4px; font-size: 12px; color: #7f93ad; }
nav a { display: block; padding: 8px 18px 8px 24px; color: #cfd8e3; border-left: 3px solid transparent; }
nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
nav a.active { background: rgba(21,101,192,.35); color: #fff; border-left-color: #64b5f6; }
nav .badge { float: right; background: var(--red); color: #fff; border-radius: 9px; padding: 0 6px; font-size: 11px; line-height: 18px; margin-top: 2px; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.top { display: flex; align-items: center; gap: 12px; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 20px; position: sticky; top: 0; z-index: 5; }
.page-title { font-size: 17px; font-weight: 600; flex: 1; }
.top-right { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.menu-btn { display: none; }
.view { padding: 20px; }

/* 控件 */
input, select, textarea { font: inherit; padding: 7px 10px; border: 1px solid #cfd6df; border-radius: 6px; background: #fff; color: var(--text); }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(21,101,192,.25); border-color: var(--blue); }
textarea { width: 100%; min-height: 70px; }
.btn { font: inherit; border: 1px solid #cfd6df; background: #fff; color: var(--text); padding: 7px 14px; border-radius: 6px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--dark); }
.btn.danger { color: var(--red); border-color: #f1b5b5; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.block { display: block; width: 100%; padding: 10px; font-size: 16px; }
.btn:disabled { opacity: .5; cursor: default; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }

/* 卡片与表格 */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin-bottom: 18px; }
.card { background: var(--card); border-radius: 10px; padding: 16px; border: 1px solid var(--line); }
.card .k { color: var(--muted); font-size: 13px; }
.card .v { font-size: 24px; font-weight: 700; margin-top: 4px; }
.card.link { cursor: pointer; }
.card.link:hover { border-color: var(--blue); }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-bottom: 18px; }
.panel h4 { margin: 0; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 15px; }
.panel .pad { padding: 14px 16px; }
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f7f9fb; font-weight: 600; color: #4a5563; white-space: nowrap; position: sticky; top: 0; }
tbody tr.click { cursor: pointer; }
tbody tr.click:hover { background: var(--hover); }
tfoot td { font-weight: 600; background: #fafbfc; }
.empty { padding: 40px; text-align: center; color: var(--muted); }
.chip { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 12px; white-space: nowrap; }
.chip.blue { background: #e3f0ff; color: var(--blue); } .chip.green { background: #e6f4ea; color: var(--green); }
.chip.orange { background: #fff3e0; color: var(--orange); } .chip.red { background: #fdecea; color: var(--red); }
.chip.gray { background: #eef1f4; color: var(--muted); }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; }
.kv .k { color: var(--muted); }
.bar { height: 8px; background: #e8edf3; border-radius: 4px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--blue); }
.thumbs { display: flex; flex-wrap: wrap; gap: 8px; }
.thumbs a { display: block; width: 84px; height: 84px; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #f4f6f8; font-size: 11px; padding: 4px; }
.thumbs img { width: 100%; height: 100%; object-fit: cover; margin: -4px; width: calc(100% + 8px); height: calc(100% + 8px); }
.timeline div { padding: 6px 0 6px 16px; border-left: 2px solid var(--line); margin-left: 4px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.form label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
.form label.full { grid-column: 1 / -1; }
.form .hint { font-size: 12px; color: var(--muted); }
.checks { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--text); }
.checks label { flex-direction: row; align-items: center; gap: 4px; color: var(--text); }

/* 弹窗与提示 */
.modal { position: fixed; inset: 0; background: rgba(15,23,42,.45); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 20; overflow-y: auto; }
.modal-box { background: #fff; width: 860px; max-width: 100%; border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal-head { display: flex; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.modal-head h3 { margin: 0; flex: 1; font-size: 17px; }
.modal-body { padding: 18px; max-height: calc(100vh - 220px); overflow-y: auto; }
.modal-body h5 { margin: 18px 0 8px; font-size: 14px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line); }
.modal-foot:empty { display: none; }
.toast { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); background: #1f2933; color: #fff; padding: 10px 18px; border-radius: 8px; z-index: 30; box-shadow: 0 6px 20px rgba(0,0,0,.2); }
.toast.err { background: var(--red); }

/* 使用帮助 */
.help-video { width: 100%; max-width: 960px; border-radius: 10px; background: #000; display: block; }

@media (max-width: 860px) {
  .side { position: fixed; left: -240px; z-index: 15; transition: left .2s; }
  .side.open { left: 0; }
  .menu-btn { display: inline-block; }
  .view { padding: 12px; }
  .grid2, .form { grid-template-columns: 1fr; }
  .top-right #me { display: none; }
}