:root {
  --blue: #1d4ed8;
  --blue-d: #1e3a8a;
  --amber: #f59e0b;
  --ink: #111827;
  --sub: #6b7280;
  --line: #e5e7eb;
  --bg: #f4f6fa;
  --card: #fff;
  --ok: #059669;
  --err: #dc2626;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
h1, h2, h3 { line-height: 1.35; margin: 0 0 .5em; }
#app { max-width: 820px; margin: 0 auto; padding: 16px 14px 60px; }

/* 通用 */
.loading, .empty { padding: 48px 16px; text-align: center; color: var(--sub); }
.muted { color: var(--sub); }
.tip { color: var(--sub); font-size: 13px; margin: .4em 0 0; }
.foot-link { text-align: center; margin: 28px 0 8px; font-size: 14px; }
.req { color: var(--err); font-style: normal; }
.small { font-size: 13px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  border-radius: 10px; padding: 9px 14px; font-size: 14px; cursor: pointer;
  transition: .15s; font-family: inherit;
}
.btn:hover { border-color: #c7cbd1; }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: #1b45c0; }
.btn.ghost { background: #fff; }
.btn.danger { color: var(--err); border-color: #f3c7c7; }
.btn.wechat { background: #07c160; border-color: #07c160; color: #fff; }
.btn.block { display: flex; width: 100%; margin-top: 10px; }
.btn.small { padding: 6px 10px; font-size: 13px; }
.btn.tiny { padding: 3px 8px; font-size: 12px; border-radius: 7px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* 首页 */
.hero { padding: 24px 4px 14px; }
.hero h1 { font-size: 26px; }
.hero p { color: var(--sub); margin: 0 0 14px; }
.grid { display: grid; gap: 14px; }
.card {
  display: block; background: var(--card); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 1px 3px rgba(16,24,40,.07); color: inherit;
}
.cover { height: 130px; position: relative; background: linear-gradient(135deg,#1e3a8a,#f59e0b); }
.cover.big { height: 168px; }
.badge {
  position: absolute; right: 10px; bottom: 10px; background: rgba(0,0,0,.55);
  color: #fff; padding: 3px 10px; border-radius: 20px; font-size: 13px;
}
.card-body { padding: 12px 14px 14px; }
.card-body h3 { font-size: 17px; margin: 0 0 4px; }
.card-body .sub { color: var(--sub); font-size: 13px; margin: 0 0 6px; }
.card-body .meta { margin: 2px 0; font-size: 13px; color: #374151; }
.card-body .meta.small { color: var(--sub); }

/* 详情 */
.article { background: var(--card); border-radius: var(--radius); padding: 16px 16px 24px; margin-top: -22px; position: relative; box-shadow: 0 1px 3px rgba(16,24,40,.07); }
.article h1 { font-size: 22px; }
.article .sub { color: var(--sub); margin-top: -4px; }
.infobox { background: #f7f9fc; border-radius: 10px; padding: 10px 12px; margin: 14px 0; }
.infobox div { display: flex; gap: 10px; padding: 3px 0; font-size: 14px; }
.infobox span { color: var(--sub); min-width: 42px; }
.infobox b { font-weight: 600; }
.content { font-size: 15.5px; line-height: 1.85; }
.content h3 { font-size: 17px; margin-top: 1.4em; color: var(--blue-d); }
.content p { margin: .6em 0; }
.content ul, .content ol { padding-left: 1.3em; }
.form-block { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 18px; }
.form-block h2 { font-size: 18px; }

/* 表单 */
.form { display: block; }
.field { display: block; margin-bottom: 12px; }
.field > span { display: block; font-size: 13px; color: #374151; margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 9px;
  padding: 10px 12px; font-size: 15px; font-family: inherit; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(29,78,216,.25); border-color: var(--blue); }
.field .err { color: var(--err); font-size: 12px; font-style: normal; min-height: 14px; display: block; }
.field .row { display: flex; gap: 8px; }
.field .row input { flex: 1; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.done { text-align: center; padding: 20px 0; }
.done .code { font-size: 30px; letter-spacing: 4px; color: var(--blue-d); }

/* 后台 */
.admin-shell { max-width: 900px; margin: 0 auto; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0 12px; border-bottom: 1px solid var(--line); margin-bottom: 14px;
}
.topbar .brand { font-weight: 700; font-size: 17px; color: var(--ink); }
.tb-right { display: flex; align-items: center; gap: 10px; }
.who { font-size: 13px; color: var(--sub); }
.admin-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.admin-head h1 { font-size: 21px; }
.admin-head > div:last-child { display: flex; gap: 8px; flex-shrink: 0; }
.list { display: grid; gap: 10px; }
.row-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; display: flex; justify-content: space-between; gap: 12px; align-items: flex-start;
}
.rc-main { min-width: 0; flex: 1; }
.rc-title { font-weight: 600; font-size: 15.5px; }
.rc-meta { color: var(--sub); font-size: 13px; margin-top: 4px; }
.rc-actions { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; max-width: 260px; }
.tag { font-size: 12px; padding: 1px 8px; border-radius: 20px; background: #eef2ff; color: var(--blue-d); font-weight: 500; }
.tag.published { background: #ecfdf5; color: var(--ok); }
.tag.draft { background: #f3f4f6; color: var(--sub); }
.tag.closed { background: #fef3c7; color: #92400e; }

/* 编辑器 */
.editor { display: grid; gap: 14px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.panel h2 { font-size: 16px; margin-bottom: 12px; }
.rt-toolbar { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.rt-toolbar button { border: 1px solid var(--line); background: #fff; border-radius: 7px; min-width: 34px; height: 30px; cursor: pointer; font-size: 13px; }
.rt-editor {
  border: 1px solid var(--line); border-radius: 9px; padding: 12px; min-height: 220px;
  background: #fff; line-height: 1.8;
}
.rt-editor:focus { outline: 2px solid rgba(29,78,216,.25); border-color: var(--blue); }
.rt-editor h3 { font-size: 16.5px; color: var(--blue-d); margin-top: 1em; }
.field-row { display: grid; grid-template-columns: 1.4fr .9fr 1.2fr auto auto; gap: 8px; align-items: center; margin-bottom: 8px; }
.field-row input, .field-row select { border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; font-size: 14px; font-family: inherit; }
.chk { display: flex; align-items: center; gap: 4px; font-size: 13px; white-space: nowrap; }
.fixed { font-size: 12px; color: var(--sub); }

/* 名单 */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.toolbar input, .toolbar select { border: 1px solid var(--line); border-radius: 9px; padding: 8px 10px; font-size: 14px; font-family: inherit; background: #fff; }
.checkin-box { display: flex; gap: 6px; margin-left: auto; }
.checkin-box input { width: 150px; }
.table-wrap { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
.table th, .table td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.table th { background: #fafbfd; font-weight: 600; font-size: 13px; color: #374151; position: sticky; top: 0; }
.table td .sub { font-size: 12px; color: var(--sub); font-weight: 400; }
.table .phone { cursor: pointer; border-bottom: 1px dashed var(--line); }
.table .ops { white-space: nowrap; }
.tag-sel { border: 1px solid var(--line); border-radius: 7px; padding: 5px 7px; font-size: 13px; background: #fff; font-family: inherit; }

/* 弹窗 */
.modal { position: fixed; inset: 0; background: rgba(15,23,42,.45); display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 50; }
.modal-card { background: #fff; border-radius: 14px; padding: 18px; width: 100%; max-width: 560px; max-height: 88vh; overflow: auto; }
.modal-card h3 { font-size: 18px; }
.modal-out { background: #f7f9fc; border-radius: 9px; padding: 12px; margin-top: 12px; min-height: 80px; max-height: 240px; overflow: auto; white-space: pre-wrap; font-size: 14px; line-height: 1.75; }
.modal-out.tall { min-height: 140px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; flex-wrap: wrap; }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip { font-size: 12px; padding: 3px 9px; border-radius: 20px; background: #eef2ff; color: var(--blue-d); border: none; font-family: inherit; }
.chips.pick .chip { cursor: pointer; background: #f3f4f6; color: var(--sub); }
.chips.pick .chip.on { background: var(--blue); color: #fff; }

/* 登录 */
.login-wrap { display: flex; justify-content: center; padding: 40px 0; }
.login-card { background: var(--card); border-radius: 14px; padding: 24px 20px; width: 100%; max-width: 400px; box-shadow: 0 2px 8px rgba(16,24,40,.06); }
.login-card h1 { font-size: 22px; text-align: center; }
.login-card .tip { text-align: center; margin-bottom: 18px; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translate(-50%, 20px);
  background: rgba(17,24,39,.92); color: #fff; padding: 10px 18px; border-radius: 22px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: .2s; z-index: 99; max-width: 86vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: #b91c1c; }
.toast.warn { background: #b45309; }

@media (max-width: 640px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr 1fr; }
  .row-card { flex-direction: column; }
  .rc-actions { justify-content: flex-start; max-width: none; }
  .checkin-box { margin-left: 0; width: 100%; }
  .checkin-box input { flex: 1; width: auto; }
}