:root {
  --bg: #f4f5f7; --panel: #fff; --text: #1d2129; --muted: #6b7280; --line: #e3e5e8;
  --primary: #2f6fed; --primary-ink: #fff; --danger: #d4380d; --warn: #b45309; --ok: #15803d;
  --tag-bg: #eef0f3; --shadow: 0 1px 2px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a; --panel: #1e2125; --text: #e6e8eb; --muted: #9aa1ab; --line: #30343a;
    --primary: #5b8cff; --primary-ink: #fff; --danger: #ff7a45; --warn: #f0b04a; --ok: #4ade80;
    --tag-bg: #2a2e34; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.3);
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; }
a { color: var(--primary); }
h2 { margin: 0 0 12px; font-size: 20px; } h3 { margin: 0 0 10px; font-size: 16px; } h4 { margin: 0 0 6px; font-size: 14px; }
p { margin: 6px 0; }
.boot { padding: 40px; text-align: center; color: var(--muted); }

.top { display: flex; align-items: center; gap: 16px; padding: 0 20px; height: 54px; background: var(--panel);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; font-size: 16px; white-space: nowrap; }
.tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.tab { padding: 6px 12px; border-radius: 6px; color: var(--text); text-decoration: none; white-space: nowrap; }
.tab:hover { background: var(--tag-bg); }
.tab.on { background: var(--primary); color: var(--primary-ink); }
.badge { display: inline-block; margin-left: 6px; min-width: 18px; padding: 0 5px; border-radius: 9px; background: var(--danger);
  color: #fff; font-size: 12px; line-height: 18px; text-align: center; }
.who { display: flex; gap: 10px; align-items: center; white-space: nowrap; }
.banner { background: #fff4e5; color: #8a4b00; padding: 8px 20px; border-bottom: 1px solid #f5d7a8; }
.banner a { margin-left: 8px; }
@media (prefers-color-scheme: dark) { .banner { background: #3a2a10; color: #f6c97a; border-color: #5a4220; } }
.main { max-width: 1280px; margin: 0 auto; padding: 16px 20px 60px; display: flex; flex-direction: column; gap: 16px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; box-shadow: var(--shadow); }
.card.form { max-width: 640px; }
.center { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 12px; }
.login form { display: flex; flex-direction: column; gap: 12px; }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; }
.toolbar input[type=search] { flex: 1; min-width: 180px; }
.list { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); overflow-x: auto; }
.pad { padding: 10px 14px; margin: 0; }
.scroll { overflow-x: auto; }

table.grid { width: 100%; border-collapse: collapse; }
.grid th, .grid td { text-align: left; padding: 9px 12px; border-top: 1px solid var(--line); vertical-align: top; }
.grid th { color: var(--muted); font-weight: 500; font-size: 13px; background: var(--bg); border-top: none; white-space: nowrap; }
.grid.small td { font-size: 13px; }
.grid tr.clickable { cursor: pointer; }
.grid tr.clickable:hover, .grid tr.clickable:focus { background: var(--tag-bg); outline: none; }
.strong { font-weight: 600; }
.mono { font-family: ui-monospace, Consolas, "Courier New", monospace; font-size: 13px; letter-spacing: .02em; }
.wrap { word-break: break-all; }
.warn { color: var(--warn); font-weight: 600; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 12px; margin: 4px 0 0; }
.error { color: var(--danger); }
.pre { white-space: pre-wrap; }

.tag { display: inline-block; padding: 0 8px; border-radius: 10px; font-size: 12px; line-height: 20px; background: var(--tag-bg); white-space: nowrap; }
.st-using, .rq-approved { background: #e3f6e8; color: var(--ok); }
.st-expired, .rq-rejected { background: #fdecea; color: var(--danger); }
.st-frozen { background: #e6effd; color: var(--primary); }
.rq-pending { background: #fff4e5; color: var(--warn); }
@media (prefers-color-scheme: dark) {
  .st-using, .rq-approved { background: #183824; } .st-expired, .rq-rejected { background: #3b1d18; }
  .st-frozen { background: #1b2a45; } .rq-pending { background: #3a2a10; }
}
.p-reach { background: #e8f0ff; color: #2350b8; } .p-banzhuan { background: #fff1e0; color: #a35200; }
.p-enzecad { background: #e9f7f2; color: #0f7a55; } .p-xianyu { background: #fff8d6; color: #8a6d00; }
@media (prefers-color-scheme: dark) {
  .p-reach { background: #1b2a45; color: #9dbcff; } .p-banzhuan { background: #3a2a10; color: #f6c97a; }
  .p-enzecad { background: #163a2e; color: #7fe0bd; } .p-xianyu { background: #3a3410; color: #f0d860; }
}

input, select, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line);
  border-radius: 6px; padding: 7px 10px; min-height: 36px; }
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: -1px; border-color: var(--primary); }
input:disabled { opacity: .5; }
input[type=number] { width: 120px; }
.field { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 0; }
.field .label { font-weight: 500; }
.check { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.check input { min-height: 0; width: 16px; height: 16px; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 8px; }

.btn { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--text); border-radius: 6px;
  padding: 6px 14px; min-height: 36px; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.primary:hover { filter: brightness(1.08); color: var(--primary-ink); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.small { min-height: 30px; padding: 2px 10px; font-size: 13px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .6; cursor: wait; }
.link { font: inherit; background: none; border: none; color: var(--primary); cursor: pointer; padding: 0; }
.icon { font-size: 24px; line-height: 1; background: none; border: none; color: var(--muted); cursor: pointer; }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.row.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.cols { display: flex; gap: 12px; flex-wrap: wrap; }
.cols > * { min-width: 200px; }

.modal-wrap { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; overflow-y: auto; z-index: 20; }
.modal { background: var(--panel); border-radius: 12px; padding: 18px 20px; width: 100%; max-width: 520px; box-shadow: var(--shadow); }
.modal.wide { max-width: 760px; }
.modal.small { max-width: 420px; display: flex; flex-direction: column; gap: 10px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.modal-head h3 { margin: 0; }

dl.info { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; margin: 0; }
dl.info dt { color: var(--muted); }
dl.info dd { margin: 0; word-break: break-all; }
.sec { border-top: 1px solid var(--line); padding-top: 12px; }
.sec input:not([type]) { flex: 1; min-width: 160px; }

.reqs { display: flex; flex-direction: column; gap: 12px; }
.req.focus { outline: 2px solid var(--primary); }
.cardlist { list-style: none; padding: 0; margin: 6px 0; display: flex; flex-direction: column; gap: 6px; }
.cardlist li { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 8px 10px; border-radius: 8px; background: var(--bg); }
.captcha { height: 44px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #1d2129; color: #fff; padding: 10px 16px;
  border-radius: 8px; z-index: 50; max-width: calc(100vw - 32px); box-shadow: var(--shadow); white-space: pre-wrap; }
.toast.bad { background: var(--danger); }
.offscreen { position: fixed; left: -9999px; top: 0; }

@media (max-width: 760px) {
  .top { height: auto; flex-wrap: wrap; padding: 8px 16px; gap: 8px; }
  .tabs { order: 3; flex-basis: 100%; }
  .who { margin-left: auto; }
  .main { padding: 12px 16px 60px; }
  .grid thead { display: none; }
  .grid, .grid tbody, .grid tr, .grid td { display: block; width: 100%; }
  .grid tr { border-top: 1px solid var(--line); padding: 8px 0; }
  .grid td { border: none; padding: 2px 14px; display: flex; gap: 10px; }
  .grid td::before { content: attr(data-k); color: var(--muted); min-width: 64px; flex-shrink: 0; }
  dl.info { grid-template-columns: 84px 1fr; }
  .modal-wrap { padding: 12px 8px; }
  .modal { padding: 14px; }
}

/* ---- 卡列表：快捷筛选、排序、两行单元格 ---- */
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font: inherit; display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 18px;
  border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; }
.chip .n { min-width: 20px; padding: 0 6px; border-radius: 10px; background: var(--tag-bg); font-size: 12px; text-align: center; }
.chip.warn .n { background: #fff4e5; color: var(--warn); font-weight: 600; }
.chip.on { border-color: var(--primary); background: var(--primary); color: var(--primary-ink); }
.chip.on .n { background: rgba(255,255,255,.25); color: inherit; }
.chip:hover:not(.on) { border-color: var(--primary); }
@media (prefers-color-scheme: dark) { .chip.warn .n { background: #3a2a10; } }
.grid th.sortable { cursor: pointer; user-select: none; }
.grid th.sortable:hover, .grid th.sortable.on { color: var(--primary); }
.sub { color: var(--muted); font-size: 12px; font-weight: 400; }
.small { font-size: 12px; }
.grid.cards td { vertical-align: middle; }
.grid.cards .c-gw { font-variant-numeric: tabular-nums; white-space: nowrap; }
.grid.cards .c-exp, .grid.cards .c-st, .grid.cards .c-dev { white-space: nowrap; }

/* ---- 卡详情：关键数字、卡密、常用操作 ---- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.metric { background: var(--bg); border-radius: 8px; padding: 10px 12px; min-width: 0; }
.metric .m-label { color: var(--muted); font-size: 12px; }
.metric .m-value { font-size: 18px; font-weight: 600; margin: 2px 0; font-variant-numeric: tabular-nums; }
.metric .m-sub { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.metric.hot .m-value { color: var(--warn); }
.keyrow { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
  border: 1px dashed var(--line); border-radius: 8px; padding: 8px 12px; }
.mono.big { font-size: 15px; word-break: break-all; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn.act.on { border-color: var(--primary); color: var(--primary); background: var(--tag-bg); }
.panel { background: var(--bg); border-radius: 8px; padding: 12px; display: flex; flex-direction: column; gap: 8px; margin-top: -4px; }
.panel .hint { margin: 0; }
.chip-btn { border-radius: 18px; }
.grow { flex: 1; min-width: 160px; }
details.fold { border-top: 1px solid var(--line); padding-top: 10px; }
details.fold > summary { cursor: pointer; font-weight: 600; list-style-position: inside; }
details.fold > summary .muted { font-weight: 400; }
details.fold[open] > summary { margin-bottom: 10px; }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: 10px; }

@media (max-width: 760px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  /* 手机上卡列表一张卡两行：客户 + 状态；产品、到期、额度 */
  .grid.cards tr { display: grid; grid-template-columns: auto 1fr auto; gap: 2px 10px; padding: 10px 14px; align-items: center; }
  .grid.cards td { display: block; width: auto; padding: 0; }
  .grid.cards td::before { content: none; }
  .grid.cards .c-who { grid-column: 1 / 3; }
  .grid.cards .c-who .sub, .grid.cards .c-prod .sub, .grid.cards .c-exp .sub, .grid.cards .c-dev, .grid.cards .c-op { display: none; }
  .grid.cards .c-st { grid-column: 3; grid-row: 1; justify-self: end; }
  .grid.cards .c-prod { grid-column: 1; grid-row: 2; }
  .grid.cards .c-exp { grid-column: 2; grid-row: 2; color: var(--muted); font-size: 13px; }
  .grid.cards .c-exp.warn { color: var(--warn); }
  .grid.cards .c-gw { grid-column: 3; grid-row: 2; justify-self: end; font-size: 13px; }
  .chips { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 2px; }
  .chip { white-space: nowrap; }
}

.stack.tight { gap: 4px; }
.stack.tight input[type=number] { width: 90px; }

/* 网关页 */
.gw-status { border-left: 5px solid var(--muted); }
.gw-status h2 { margin: 0; font-size: 18px; }
.gw-status.ok { border-left-color: var(--ok); }
.gw-status.ok h2 { color: var(--ok); }
.gw-status.bad { border-left-color: var(--danger); background: #fff6f3; }
.gw-status.bad h2 { color: var(--danger); }
@media (prefers-color-scheme: dark) { .gw-status.bad { background: #2c1d18; } }
.gw-list { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.gw-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px; background: var(--bg); border-radius: 8px;
  border: 1px solid transparent; flex-wrap: wrap; }
.gw-item.first { border-color: var(--ok); }
.gw-item.off { opacity: .6; }
.gw-n { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--primary); color: var(--primary-ink);
  font-size: 13px; line-height: 24px; text-align: center; margin-top: 2px; }
.gw-name { font-weight: 600; font-size: 15px; }
.gw-light { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; }
.gw-light i { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.gw-light.good { color: var(--ok); } .gw-light.good i { background: var(--ok); }
.gw-light.warn { color: var(--warn); } .gw-light.warn i { background: var(--warn); }
.gw-light.bad { color: var(--danger); font-weight: 600; } .gw-light.bad i { background: var(--danger); }
.gw-light.idle, .gw-light.off { color: var(--muted); }
.gw-acts { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; margin-left: auto; }
.gw-ok { color: var(--ok); }
.gw-bad { color: var(--danger); }
details.fold.card { padding-top: 14px; }
details.fold.card > summary { font-weight: 600; font-size: 15px; }
.banner-inline { background: #fff4e5; color: #8a4b00; padding: 8px 10px; border-radius: 6px; margin: 0; }
@media (prefers-color-scheme: dark) { .banner-inline { background: #3a2a10; color: #f6c97a; } }
@media (max-width: 640px) { .gw-acts { align-items: flex-start; margin-left: 36px; } }

/* 分销商：收款码 */
.payqr { display: block; width: 240px; max-width: 100%; margin: 0 auto; border-radius: 8px; border: 1px solid var(--line); background: #fff; }
.payqr.small { width: 120px; margin: 0; }
.big { font-size: 20px; }
a.btn { text-decoration: none; display: inline-flex; align-items: center; }