:root {
  --blue: #1E5EB8;
  --blue-dark: #14447F;
  --blue-light: #E8F0FB;
  --bg: #F4F6F9;
  --card: #FFFFFF;
  --text: #26292E;
  --muted: #8A9099;
  --green: #1D9E75;
  --green-bg: #E6F7F0;
  --red: #D9484B;
  --red-bg: #FCEBEB;
  --amber: #C98A12;
  --amber-bg: #FBF3DF;
  --border: #E4E7EC;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6;
}
.boot { display: flex; justify-content: center; padding: 80px 0; color: var(--muted); }

/* ---------- 通用 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: var(--blue); color: #fff;
  display: flex; align-items: center; padding: 0 12px; height: 48px;
}
.topbar .back { font-size: 22px; padding: 4px 10px 4px 0; cursor: pointer; user-select: none; }
.topbar .title { flex: 1; font-size: 16px; font-weight: 500; text-align: center; margin-right: 32px; }
.topbar .title.no-back { margin-right: 0; }
.page { padding: 12px; padding-bottom: 90px; max-width: 640px; margin: 0 auto; }
.card { background: var(--card); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; border: 1px solid var(--border); }
.muted { color: var(--muted); font-size: 13px; }
.btn {
  display: block; width: 100%; border: none; border-radius: 10px;
  background: var(--blue); color: #fff; font-size: 16px; padding: 12px;
  cursor: pointer; text-align: center;
}
.btn:active { opacity: .85; }
.btn.ghost { background: #fff; color: var(--blue); border: 1px solid var(--blue); }
.btn.green { background: var(--green); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
input[type=text], input[type=password] {
  width: 100%; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; font-size: 16px; outline: none; background: #fff;
}
input:focus { border-color: var(--blue); }

#toast {
  position: fixed; left: 50%; bottom: 100px; transform: translateX(-50%);
  background: rgba(0,0,0,.75); color: #fff; padding: 8px 18px; border-radius: 8px;
  font-size: 14px; display: none; z-index: 99; max-width: 80%;
}

/* ---------- 登录页（公安主题 · 科技感） ---------- */
.login-wrap {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  padding: 24px; max-width: 420px; margin: 0 auto; overflow: hidden;
  background: linear-gradient(160deg, #0B1F44 0%, #123A7A 45%, #0B2A5C 100%);
}
.login-bg { position: absolute; inset: 0; pointer-events: none; }
.grid-lines {
  position: absolute; inset: 0; opacity: .10;
  background-image: linear-gradient(rgba(120,180,255,.5) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(120,180,255,.5) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
          mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}
.glow { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .35; }
.glow.g1 { width: 240px; height: 240px; background: #2E6FD8; top: -60px; left: -60px; }
.glow.g2 { width: 200px; height: 200px; background: #0FA37F; bottom: -40px; right: -50px; opacity: .22; }
.login-main { position: relative; flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.emblem { position: relative; width: 108px; height: 108px; margin-bottom: 16px; }
.emblem-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1px solid rgba(255,216,121,.45);
  box-shadow: 0 0 24px rgba(46,111,216,.55), inset 0 0 18px rgba(46,111,216,.35);
  animation: pulse 3s ease-in-out infinite;
}
.emblem-core {
  position: absolute; inset: 9px; border-radius: 50%;
  background: linear-gradient(160deg, #1A4E9E, #0D2C5F);
  border: 1px solid rgba(255,216,121,.65);
  display: flex; align-items: center; justify-content: center;
}
@keyframes pulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.06); opacity: .8; } }
.login-main h1 { color: #fff; font-size: 21px; font-weight: 600; letter-spacing: 2px; }
.lv-tags { display: flex; align-items: center; gap: 10px; margin: 10px 0 26px; }
.lv-tags span {
  font-size: 12px; color: #FFD879; padding: 3px 12px; border-radius: 20px;
  border: 1px solid rgba(255,216,121,.5); background: rgba(255,216,121,.08); letter-spacing: 1px;
}
.lv-tags i { color: rgba(255,255,255,.35); font-style: normal; }
.login-card {
  width: 100%; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px; padding: 20px 18px 22px; backdrop-filter: blur(6px);
}
.badge-label { display: block; color: rgba(255,255,255,.75); font-size: 13px; margin-bottom: 10px; letter-spacing: 2px; }
.badge-box input {
  width: 210px; margin: 0 auto; display: block; text-align: center; letter-spacing: 10px;
  font-size: 24px; font-weight: 600; color: #fff; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.22); border-radius: 10px; padding: 13px 10px; outline: none;
}
.badge-box input::placeholder { color: rgba(255,255,255,.35); letter-spacing: 2px; font-size: 16px; font-weight: 400; }
.badge-box input:focus { border-color: #FFD879; box-shadow: 0 0 0 3px rgba(255,216,121,.15); }
.login-btn {
  margin: 16px auto 0; width: 62%; padding: 10px;
  background: linear-gradient(135deg, #2E6FD8, #1A4E9E);
  border: 1px solid rgba(255,216,121,.4); color: #fff; letter-spacing: 6px; font-weight: 600; font-size: 15px;
}
.login-btn:active { opacity: .85; }
.login-tip { text-align: center; margin-top: 14px; color: rgba(255,255,255,.45); font-size: 12px; }
.login-foot {
  position: relative; text-align: center; color: rgba(255,216,121,.55);
  font-size: 11px; letter-spacing: 4px; padding-top: 10px;
}

/* ---------- 选择页 ---------- */
.page-select-bg {
  min-height: 100vh; padding-top: 12px; padding-bottom: 90px; max-width: 640px; margin: 0 auto;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(46,111,216,.08), transparent 55%),
    radial-gradient(ellipse at 100% 30%, rgba(15,163,127,.07), transparent 50%),
    linear-gradient(rgba(30,94,184,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,94,184,.045) 1px, transparent 1px);
  background-size: auto, auto, 36px 36px, 36px 36px;
}
.bank-card {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff; border-radius: 16px; padding: 26px 20px; margin-bottom: 16px; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
}
.bank-card h2 { font-size: 20px; font-weight: 500; margin-bottom: 6px; }
.bank-card p { font-size: 13px; opacity: .85; }
.bank-card .arrow { font-size: 26px; opacity: .8; }
.bank-card.alt { background: linear-gradient(135deg, #0F6E56 0%, #085041 100%); }
.bank-card.off { filter: grayscale(1); opacity: .6; }
.kchips { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.kchip { font-size: 11px; padding: 3px 9px; border-radius: 20px; background: rgba(255,255,255,.18); }
.kchip.empty { opacity: .65; }
.manage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.manage-row {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  display: flex; align-items: center; gap: 8px; padding: 12px 10px; cursor: pointer;
}
.manage-row .ic { font-size: 20px; }
.manage-row .tx { flex: 1; min-width: 0; }
.manage-row .tx b { font-size: 13px; font-weight: 600; display: block; white-space: nowrap; }
.manage-row .tx span { font-size: 11px; color: var(--muted); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.manage-row .arrow { color: var(--muted); font-size: 16px; }
.seg { display: flex; gap: 8px; margin-top: 10px; }
.seg .seg-i {
  flex: 1; text-align: center; font-size: 13px; padding: 8px 4px; border-radius: 10px;
  background: var(--blue-light); color: var(--blue); border: 1px solid transparent; cursor: pointer;
}
.seg .seg-i.on { background: var(--blue); color: #fff; font-weight: 500; }

/* ---------- 题库首页 ---------- */
.hero {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  border-radius: 16px; padding: 18px; color: #fff; margin-bottom: 12px;
}
.hero .hi { display: flex; justify-content: space-between; align-items: center; }
.hero .hi b { font-size: 17px; font-weight: 500; }
.hero .switch { font-size: 12px; opacity: .85; border: 1px solid rgba(255,255,255,.5); padding: 3px 10px; border-radius: 20px; cursor: pointer; }
.bank-tabs { display: flex; gap: 8px; margin-top: 12px; }
.bank-tabs .bt {
  flex: 1; text-align: center; font-size: 13px; padding: 7px 4px; border-radius: 10px;
  background: rgba(255,255,255,.14); cursor: pointer;
}
.bank-tabs .bt.on { background: #fff; color: var(--blue-dark); font-weight: 500; }
.bank-tabs .bt i { font-style: normal; font-size: 10px; opacity: .7; margin-left: 2px; }
.stat-row { display: flex; margin-top: 14px; text-align: center; }
.stat-row .s { flex: 1; }
.stat-row .s b { display: block; font-size: 20px; font-weight: 500; }
.stat-row .s span { font-size: 12px; opacity: .8; }
.tool-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.tool-grid .t {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  text-align: center; padding: 12px 4px; cursor: pointer; position: relative;
}
.tool-grid .t .ic { font-size: 22px; }
.tool-grid .t .lb { font-size: 12px; margin-top: 4px; color: var(--text); }
.tool-grid .t .cnt {
  position: absolute; top: 4px; right: 6px; background: var(--red); color: #fff;
  font-size: 10px; border-radius: 10px; padding: 0 5px; line-height: 16px;
}
.sec-title { font-size: 14px; color: var(--muted); margin: 4px 2px 8px; }
.chap-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px; margin-bottom: 8px; cursor: pointer; display: flex; align-items: center; gap: 12px;
}
.chap-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); flex-shrink: 0; }
.chap-item .mid { flex: 1; min-width: 0; }
.chap-item .nm { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chap-item .bar-bg { height: 4px; background: var(--border); border-radius: 2px; margin-top: 6px; }
.chap-item .bar { height: 4px; border-radius: 2px; background: var(--green); }
.chap-item .meta { text-align: right; flex-shrink: 0; }
.chap-item .meta .n { font-size: 13px; color: var(--muted); }
.chap-item .meta .r { font-size: 12px; }

/* ---------- 练习页 ---------- */
.q-type {
  display: inline-block; color: var(--blue); font-size: 13px; background: var(--blue-light);
  padding: 1px 8px; border-radius: 4px; margin-right: 6px;
}
.q-stem { font-size: 15px; margin: 10px 0 16px; white-space: pre-wrap; }
.opt {
  display: flex; gap: 10px; align-items: flex-start; background: #fff;
  border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin-bottom: 10px; cursor: pointer;
}
.opt .key {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 6px; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: 13px; color: var(--muted);
}
.opt.sel { border-color: var(--blue); background: var(--blue-light); }
.opt.sel .key { background: var(--blue); border-color: var(--blue); color: #fff; }
.opt.right { border-color: var(--green); background: var(--green-bg); }
.opt.right .key { background: var(--green); border-color: var(--green); color: #fff; }
.opt.wrong { border-color: var(--red); background: var(--red-bg); }
.opt.wrong .key { background: var(--red); border-color: var(--red); color: #fff; }
.opt.disabled { cursor: default; }
.result-banner { border-radius: 10px; padding: 12px 14px; margin: 6px 0 12px; font-size: 14px; }
.result-banner.ok { background: var(--green-bg); color: var(--green); border: 1px solid var(--green); }
.result-banner.bad { background: var(--red-bg); color: var(--red); border: 1px solid var(--red); }
.result-banner .ans-line { margin-top: 4px; color: var(--text); font-size: 13px; }
.analysis { background: var(--amber-bg); border: 1px solid var(--amber); border-radius: 10px; padding: 12px; margin-bottom: 12px; font-size: 13px; white-space: pre-wrap; }
.analysis .at { color: var(--amber); font-weight: 500; margin-bottom: 4px; }
.global-line { font-size: 12px; color: var(--muted); text-align: right; margin-top: 4px; }

.toolbar {
  position: fixed; bottom: 0; left: 0; right: 0; background: #fff; border-top: 1px solid var(--border);
  display: flex; justify-content: space-around; padding: 6px 0 max(6px, env(safe-area-inset-bottom)); z-index: 20;
}
.toolbar .tb { text-align: center; font-size: 11px; color: var(--muted); cursor: pointer; padding: 2px 12px; }
.toolbar .tb .ic { font-size: 20px; display: block; }
.toolbar .tb.on { color: var(--blue); }

.q-nav { display: flex; gap: 10px; padding: 0 0 70px; }
.q-nav .btn { flex: 1; }

.sheet-mask { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 30; display: flex; align-items: flex-end; }
.sheet { background: #fff; width: 100%; border-radius: 16px 16px 0 0; padding: 16px; max-height: 65vh; overflow-y: auto; }
.sheet h3 { font-size: 15px; font-weight: 500; margin-bottom: 12px; text-align: center; }
.sheet .grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.sheet .cell {
  aspect-ratio: 1; border-radius: 8px; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: 14px; cursor: pointer;
}
.sheet .cell.done-ok { background: var(--green-bg); border-color: var(--green); color: var(--green); }
.sheet .cell.done-bad { background: var(--red-bg); border-color: var(--red); color: var(--red); }
.sheet .cell.cur { outline: 2px solid var(--blue); }

.recite-toggle { margin: 10px 0 14px; }

/* ---------- 列表页 ---------- */
.list-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 8px; cursor: pointer; }
.list-item .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.tag { font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--blue-light); color: var(--blue); }
.tag.gray { background: #EFF1F4; color: var(--muted); }
.tag.red { background: var(--red-bg); color: var(--red); }
.tag.green { background: var(--green-bg); color: var(--green); }
.list-item .stem { font-size: 14px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.list-item .foot { margin-top: 4px; }

/* ---------- 看板 / 排行 ---------- */
.board-row { display: flex; align-items: center; gap: 10px; }
.board-row .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-row .num { width: 70px; text-align: right; }
.board-row .num b { font-size: 15px; font-weight: 500; }
.board-row .num .rate { font-size: 12px; display: block; }
.rank-1 { color: var(--amber); font-weight: 500; }
.rank-2 { color: #8A9099; font-weight: 500; }
.rank-3 { color: #B26B36; font-weight: 500; }
.empty { text-align: center; color: var(--muted); padding: 60px 0; }
.empty .ic { font-size: 40px; display: block; margin-bottom: 8px; }

/* ---------- 首页「更多」链接 ---------- */
.more-links { display: flex; gap: 18px; justify-content: center; padding: 14px 0 4px; font-size: 13px; color: var(--blue); }
.more-links span { cursor: pointer; }

/* ---------- 练习设置 ---------- */
.set-label { font-size: 15px; font-weight: 500; margin-bottom: 4px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 7px 14px; border-radius: 18px; border: 1px solid var(--border);
  background: #fff; font-size: 14px; color: var(--text); cursor: pointer;
}
.chip.on { background: var(--blue-light); border-color: var(--blue); color: var(--blue); font-weight: 500; }
.set-custom { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.set-custom input { width: 80px; padding: 8px 10px; font-size: 15px; text-align: center; }
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.switch {
  width: 46px; height: 26px; border-radius: 13px; background: #D6DAE1; position: relative;
  flex: 0 0 auto; cursor: pointer; transition: background .18s;
}
.switch i {
  position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: #fff; transition: left .18s; box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.switch.on { background: var(--blue); }
.switch.on i { left: 23px; }

/* ---------- 模拟考试 ---------- */
.exam-bar {
  position: sticky; top: 48px; z-index: 9;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--amber-bg); color: #6B4E0B; padding: 8px 14px; font-size: 13px;
  max-width: 640px; margin: 0 auto;
}
.exam-bar .clock b { font-variant-numeric: tabular-nums; font-size: 15px; }
.mini-btn {
  border: none; background: var(--amber); color: #fff; border-radius: 8px;
  padding: 5px 14px; font-size: 13px; cursor: pointer;
}

/* ---------- 首页 hero 返回 ---------- */
.hero .hero-back { font-size: 20px; margin-right: 6px; cursor: pointer; opacity: .9; }

/* ---------- 系统管理 ---------- */
.admin-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.atab {
  flex: 1; text-align: center; padding: 9px 0; font-size: 14px; cursor: pointer;
  background: #fff; border: 1px solid var(--border); border-radius: 10px; color: var(--text);
}
.atab.on { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 500; }
.form-row { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.form-row label { width: 62px; flex: 0 0 auto; font-size: 14px; color: var(--muted); }
.form-row input, .form-row select {
  flex: 1; min-width: 0; border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; font-size: 15px; background: #fff; outline: none; color: var(--text);
}
.form-row input:focus, .form-row select:focus { border-color: var(--blue); }
.unit-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 9px 0; border-bottom: 1px solid #F1F3F6;
}
.unit-row:last-child { border-bottom: none; }
.unit-row .un { display: flex; align-items: center; gap: 6px; min-width: 0; }
.unit-row .un b { font-weight: 500; }
.unit-row .um { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); flex-wrap: wrap; justify-content: flex-end; }
.unit-row .del { color: var(--red); cursor: pointer; }
.mini-input { width: 130px; padding: 7px 10px; font-size: 13px; border: 1px solid var(--border); border-radius: 8px; }
.unit-row.clickable { cursor: pointer; }
.unit-row .caret { width: 12px; display: inline-block; color: var(--muted); font-size: 12px; }

/* ---------- 首页分类方块（与「随机练习」等同款，陈列在工具方块下方） ---------- */
.tool-grid .t.on { border-color: var(--blue); background: #eaf2ff; }
.tool-grid .t .kcnt { position: absolute; bottom: 4px; right: 6px; font-style: normal; font-size: 10px; color: var(--muted); }
.chap-item .nm .pn { margin-left: 6px; font-size: 12px; color: var(--muted); }

/* ---------- 全局刷新按钮（右下角悬浮） ---------- */
#refresh-btn {
  position: fixed; right: 14px; bottom: 18px; z-index: 900;
  width: 40px; height: 40px; border-radius: 50%;
  background: #fff; border: 1px solid var(--border); color: var(--blue);
  font-size: 20px; line-height: 38px; text-align: center; cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.12); user-select: none;
}
#refresh-btn:active { background: #eaf2ff; }

/* ---------- 设置/排行页内的「模拟练习题 / 历年真题」切换 ---------- */
.bank-tabs.mode-tabs { margin: 0 0 10px; }
.bank-tabs.mode-tabs .bt {
  background: #fff; border: 1px solid var(--border); color: var(--text);
  font-size: 14px; padding: 9px 4px;
}
.bank-tabs.mode-tabs .bt.on { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 500; }