/* ==========================================================================
   商用车 4S 店通用管理平台 · 样式表
   零外部依赖：不引 Google Fonts / CSS 框架，整包 FTP 上传即可离线可用。
   主题取自重卡经销场景：钢板蓝（主色）+ 德龙金（强调色），深色侧边栏耐看。
   ========================================================================== */

:root {
    --ink-900: #0d1b2a;
    --ink-800: #16283c;
    --ink-700: #1f3a52;
    --ink-600: #35566f;
    --ink-500: #557a94;
    --ink-400: #8ba6ba;
    --ink-300: #b9cbdb;
    --ink-200: #d9e4ee;
    --ink-100: #eef3f8;
    --ink-50: #f6f9fc;

    --blue: #1668c1;
    --blue-dark: #0f4f96;
    --blue-light: #e6f1fc;
    --gold: #e0a728;
    --gold-light: #fdf3dc;
    --green: #1c9457;
    --green-light: #e4f5ec;
    --red: #d64545;
    --red-light: #fdeaea;
    --orange: #e2801f;
    --orange-light: #fdf0e0;
    --purple: #7a51c9;
    --purple-light: #f0eafa;
    --gray: #7c8b9a;
    --gray-light: #eef1f4;

    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 1px 2px rgba(13, 27, 42, .06), 0 6px 20px rgba(13, 27, 42, .06);
    --shadow-lg: 0 10px 40px rgba(13, 27, 42, .16);
    --sidebar: 258px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.55;
    color: var(--ink-800);
    background: var(--ink-50);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 600; color: var(--ink-900); }
h1 { font-size: 20px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }
p { margin: 0 0 .8em; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--ink-500); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.tar { text-align: right; }
.tac { text-align: center; }
.mt0 { margin-top: 0; }
.mb0 { margin-bottom: 0; }
.mt8 { margin-top: 8px; }
.mt16 { margin-top: 16px; }
.hidden { display: none !important; }

/* ---------------------------------------------------------------- 布局 */
.app { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar);
    flex: 0 0 var(--sidebar);
    background: linear-gradient(180deg, var(--ink-900), #10243a 70%);
    color: var(--ink-300);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 16px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    color: #fff;
}
.brand:hover { color: #fff; text-decoration: none; }
.brand-logo {
    width: 38px; height: 38px; flex: 0 0 38px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--gold), #c98d10);
    color: var(--ink-900);
    display: grid; place-items: center;
    font-weight: 800; font-size: 15px; letter-spacing: -.5px;
}
.brand-text strong { display: block; font-size: 14.5px; line-height: 1.2; }
.brand-text span { font-size: 11px; color: var(--ink-400); }

.nav { flex: 1; overflow-y: auto; padding: 10px 8px 24px; }
.nav::-webkit-scrollbar { width: 6px; }
.nav::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .14); border-radius: 3px; }

.nav-group { margin-bottom: 2px; }
.nav-group > summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    font-weight: 600;
    color: var(--ink-400);
    letter-spacing: .3px;
    user-select: none;
}
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group > summary:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.nav-group > summary .count { margin-left: auto; font-size: 11px; color: var(--ink-500); font-weight: 500; }
.nav-group > summary .chev { transition: transform .15s; font-size: 10px; opacity: .7; }
.nav-group[open] > summary .chev { transform: rotate(90deg); }

.nav-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 10px 7px 24px;
    border-radius: var(--radius-sm);
    color: var(--ink-300);
    font-size: 13px;
    margin: 1px 0;
}
.nav-item:hover { background: rgba(255, 255, 255, .07); color: #fff; text-decoration: none; }
.nav-item.active {
    background: linear-gradient(90deg, rgba(22, 104, 193, .9), rgba(22, 104, 193, .35));
    color: #fff;
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--gold);
}
.nav-item .ico { width: 17px; text-align: center; font-size: 14px; flex: 0 0 17px; }
.nav-item .txt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sidebar-foot {
    padding: 10px 12px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    font-size: 12px;
    color: var(--ink-400);
}
.sidebar-foot .who { color: #fff; font-weight: 600; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    height: 56px;
    background: #fff;
    border-bottom: 1px solid var(--ink-200);
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 20;
}
.crumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-500); min-width: 0; }
.crumb strong { color: var(--ink-900); font-size: 14.5px; }
.crumb .sep { color: var(--ink-300); }
.topbar-spacer { flex: 1; }

.searchbox { position: relative; }
.searchbox input {
    width: 230px;
    padding: 7px 10px 7px 30px;
    border: 1px solid var(--ink-200);
    border-radius: 20px;
    font-size: 13px;
    background: var(--ink-50);
    font-family: inherit;
}
.searchbox input:focus { outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px var(--blue-light); }
.searchbox .s-ico { position: absolute; left: 10px; top: 6px; color: var(--ink-400); font-size: 13px; }

.who-chip { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: var(--blue-light); color: var(--blue-dark);
    display: grid; place-items: center; font-weight: 700; font-size: 12px;
}
.who-chip .meta { line-height: 1.15; }
.who-chip .meta b { display: block; font-size: 13px; }
.who-chip .meta small { color: var(--ink-500); font-size: 11px; }

.content { padding: 18px 20px 40px; max-width: 1600px; width: 100%; }

/* ---------------------------------------------------------------- 卡片 / 网格 */
.card {
    background: #fff;
    border: 1px solid var(--ink-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 16px;
    overflow: hidden;
}
.card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--ink-100);
    background: linear-gradient(180deg, #fff, var(--ink-50));
}
.card-head h2, .card-head h3 { margin: 0; font-size: 14.5px; }
.card-head .sub { color: var(--ink-500); font-size: 12px; }
.card-head .right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.card-body { padding: 16px; }
.card-body.tight { padding: 0; }
.card-foot { padding: 12px 16px; border-top: 1px solid var(--ink-100); background: var(--ink-50); }

.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.span-2 { grid-column: span 2; }

/* ---------------------------------------------------------------- KPI */
.kpi-row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); margin-bottom: 16px; }
.kpi {
    background: #fff;
    border: 1px solid var(--ink-200);
    border-left: 3px solid var(--ink-300);
    border-radius: var(--radius);
    padding: 12px 14px;
    box-shadow: var(--shadow);
}
.kpi .label { font-size: 12px; color: var(--ink-500); display: flex; align-items: center; gap: 5px; }
.kpi .value { font-size: 22px; font-weight: 700; color: var(--ink-900); line-height: 1.25; margin-top: 2px; }
.kpi .hint { font-size: 11.5px; color: var(--ink-400); }
.kpi-accent { border-left-color: var(--gold); }
.kpi-blue { border-left-color: var(--blue); }
.kpi-green { border-left-color: var(--green); }
.kpi-red, .kpi-danger { border-left-color: var(--red); }
.kpi-warn { border-left-color: var(--orange); }
.kpi-purple { border-left-color: var(--purple); }
.kpi-gray { border-left-color: var(--gray); }
.kpi-red .value, .kpi-danger .value { color: var(--red); }
.kpi-warn .value { color: var(--orange); }
.kpi-green .value { color: var(--green); }

/* ---------------------------------------------------------------- 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 13px;
    border: 1px solid var(--ink-200);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--ink-700);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    line-height: 1.35;
    white-space: nowrap;
}
.btn:hover { background: var(--ink-50); border-color: var(--ink-300); text-decoration: none; color: var(--ink-900); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); color: #fff; }
.btn-gold { background: var(--gold); border-color: var(--gold); color: #3a2a05; }
.btn-gold:hover { background: #c98d10; border-color: #c98d10; color: #3a2a05; }
.btn-danger { background: #fff; border-color: #f0c2c2; color: var(--red); }
.btn-danger:hover { background: var(--red-light); border-color: var(--red); color: var(--red); }
.btn-sm { padding: 4px 9px; font-size: 12px; }
.btn-lg { padding: 10px 20px; font-size: 15px; }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------------------------------------------------------------- 表格 */
.table-wrap { width: 100%; overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl th, table.tbl td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--ink-100); vertical-align: middle; }
table.tbl thead th {
    background: var(--ink-50);
    font-weight: 600;
    color: var(--ink-600);
    font-size: 12px;
    letter-spacing: .3px;
    white-space: nowrap;
}
table.tbl thead th a { color: var(--ink-600); display: inline-flex; align-items: center; gap: 3px; }
table.tbl thead th a:hover { color: var(--blue); text-decoration: none; }
table.tbl tbody tr:hover { background: var(--blue-light); }
table.tbl tbody tr:last-child td { border-bottom: none; }
table.tbl td .num, table.tbl td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.tbl .row-actions { white-space: nowrap; text-align: right; }
table.tbl .row-actions a { margin-left: 8px; font-size: 12.5px; }
.empty { padding: 40px 16px; text-align: center; color: var(--ink-400); }
.empty .big { font-size: 34px; display: block; margin-bottom: 6px; opacity: .5; }

/* ---------------------------------------------------------------- 徽标 */
.badge, .tone {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 12px;
    line-height: 1.6;
    white-space: nowrap;
    border: 1px solid transparent;
}
.tone-green, .badge-green { background: var(--green-light); color: #146b40; border-color: #bfe6d1; }
.tone-red, .badge-red { background: var(--red-light); color: #a52d2d; border-color: #f3c9c9; }
.tone-orange, .badge-orange { background: var(--orange-light); color: #97560f; border-color: #f5d9b4; }
.tone-blue, .badge-blue { background: var(--blue-light); color: var(--blue-dark); border-color: #c3dcf6; }
.tone-gray, .badge-gray { background: var(--gray-light); color: #5b6976; border-color: #dde3e8; }
.tone-purple, .badge-purple { background: var(--purple-light); color: #563a94; border-color: #ddd0f5; }
.badge-gold { background: var(--gold-light); color: #8a6300; border-color: #f0dcae; }

.level-high { background: var(--red-light); color: #a52d2d; border-color: #f3c9c9; }
.level-medium { background: var(--orange-light); color: #97560f; border-color: #f5d9b4; }
.level-low { background: var(--blue-light); color: var(--blue-dark); border-color: #c3dcf6; }

.money { font-variant-numeric: tabular-nums; font-weight: 600; }
.money.pos { color: var(--green); }
.money.neg { color: var(--red); }

/* ---------------------------------------------------------------- 筛选栏 */
.filterbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 10px;
    padding: 12px 16px;
    background: var(--ink-50);
    border-bottom: 1px solid var(--ink-100);
}
.field { display: flex; flex-direction: column; gap: 3px; }
.field > label { font-size: 11.5px; color: var(--ink-500); font-weight: 600; }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=datetime-local],
input[type=email], input[type=search], select, textarea {
    font-family: inherit;
    font-size: 13px;
    padding: 6px 9px;
    border: 1px solid var(--ink-200);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--ink-800);
    min-width: 120px;
}
textarea { min-width: 100%; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); }
input[readonly], select[disabled] { background: var(--ink-100); color: var(--ink-500); }

/* ---------------------------------------------------------------- 表单 */
.form-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 14px 16px; }
.form-grid .fld { display: flex; flex-direction: column; gap: 4px; }
.form-grid .fld > label { font-size: 12.5px; font-weight: 600; color: var(--ink-600); }
.form-grid .fld .req { color: var(--red); }
.form-grid .fld input, .form-grid .fld select, .form-grid .fld textarea { width: 100%; min-width: 0; }
.form-grid .fld .err { color: var(--red); font-size: 12px; }
.form-grid .fld .hint { color: var(--ink-400); font-size: 11.5px; }
.c1 { grid-column: span 1; } .c2 { grid-column: span 2; } .c3 { grid-column: span 3; }
.c4 { grid-column: span 4; } .c5 { grid-column: span 5; } .c6 { grid-column: span 6; }
.c7 { grid-column: span 7; } .c8 { grid-column: span 8; } .c9 { grid-column: span 9; }
.c12 { grid-column: span 12; }
.form-actions {
    display: flex;
    gap: 10px;
    padding: 14px 16px;
    border-top: 1px solid var(--ink-100);
    background: var(--ink-50);
    position: sticky;
    bottom: 0;
}

/* ---------------------------------------------------------------- 详情 */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; }
.detail-item { padding: 11px 16px; border-bottom: 1px solid var(--ink-100); border-right: 1px solid var(--ink-100); }
.detail-item .k { font-size: 11.5px; color: var(--ink-500); }
.detail-item .v { font-size: 13.5px; color: var(--ink-900); word-break: break-word; }

/* ---------------------------------------------------------------- 分页 */
.pager { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; padding: 12px 16px; }
.pager .pg {
    min-width: 30px; text-align: center;
    padding: 4px 8px;
    border: 1px solid var(--ink-200);
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    color: var(--ink-600);
    background: #fff;
}
.pager .pg:hover { border-color: var(--blue); color: var(--blue); text-decoration: none; }
.pager .pg.on { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }
.pager .pg.dis { opacity: .45; pointer-events: none; }
.pager .info { margin-right: auto; color: var(--ink-500); font-size: 12.5px; }

/* ---------------------------------------------------------------- 提示 */
.flashes { margin-bottom: 14px; display: flex; flex-direction: column; gap: 8px; }
.flash {
    display: flex; align-items: flex-start; gap: 8px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    border: 1px solid;
}
.flash-success { background: var(--green-light); border-color: #bfe6d1; color: #146b40; }
.flash-error { background: var(--red-light); border-color: #f3c9c9; color: #a52d2d; }
.flash-warning { background: var(--orange-light); border-color: #f5d9b4; color: #97560f; }
.flash-info { background: var(--blue-light); border-color: #c3dcf6; color: var(--blue-dark); }

.notice {
    padding: 10px 14px;
    border-left: 3px solid var(--blue);
    background: var(--blue-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 12.5px;
    color: var(--ink-700);
    margin-bottom: 14px;
}
.notice.warn { border-color: var(--orange); background: var(--orange-light); }
.notice.danger { border-color: var(--red); background: var(--red-light); }

/* ---------------------------------------------------------------- 图表（纯 CSS/SVG） */
.bars { display: flex; align-items: flex-end; gap: 14px; height: 180px; padding: 8px 4px 0; }
.bars .bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.bars .bar-pair { display: flex; align-items: flex-end; gap: 4px; height: 100%; width: 100%; justify-content: center; }
.bars .bar {
    width: 42%;
    max-width: 26px;
    min-height: 2px;
    border-radius: 4px 4px 0 0;
    background: linear-gradient(180deg, #2a7fd4, var(--blue));
    position: relative;
    transition: height .3s;
}
.bars .bar.money { background: linear-gradient(180deg, #f0bd47, var(--gold)); }
.bars .bar > span { position: absolute; top: -17px; left: 50%; transform: translateX(-50%); font-size: 10.5px; color: var(--ink-500); white-space: nowrap; }
.bars .bar-label { font-size: 11.5px; color: var(--ink-500); }

.legend { display: flex; gap: 14px; font-size: 12px; color: var(--ink-500); flex-wrap: wrap; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.legend .l-cars { background: var(--blue); }
.legend .l-money { background: var(--gold); }

.donut { width: 150px; height: 150px; border-radius: 50%; flex: 0 0 150px; position: relative; }
.donut::after {
    content: attr(data-center);
    position: absolute; inset: 26px;
    background: #fff; border-radius: 50%;
    display: grid; place-items: center;
    font-size: 12px; color: var(--ink-500); text-align: center; line-height: 1.3;
}
.mix-list { flex: 1; min-width: 0; }
.mix-list .row { display: flex; align-items: center; gap: 8px; font-size: 12.5px; padding: 4px 0; }
.mix-list .row .dot { width: 9px; height: 9px; border-radius: 3px; flex: 0 0 9px; }
.mix-list .row .nm { width: 62px; color: var(--ink-600); }
.mix-list .row .track { flex: 1; height: 7px; background: var(--ink-100); border-radius: 4px; overflow: hidden; }
.mix-list .row .track > i { display: block; height: 100%; border-radius: 4px; background: var(--blue); }
.mix-list .row .val { width: 92px; text-align: right; font-variant-numeric: tabular-nums; }

.rank { list-style: none; margin: 0; padding: 0; counter-reset: r; }
.rank li { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--ink-100); font-size: 13px; }
.rank li:last-child { border-bottom: none; }
.rank li::before {
    counter-increment: r; content: counter(r);
    width: 20px; height: 20px; flex: 0 0 20px; border-radius: 50%;
    background: var(--ink-100); color: var(--ink-500);
    display: grid; place-items: center; font-size: 11px; font-weight: 700;
}
.rank li:nth-child(1)::before { background: var(--gold); color: #fff; }
.rank li:nth-child(2)::before { background: #b9c6d2; color: #fff; }
.rank li:nth-child(3)::before { background: #d8a882; color: #fff; }
.rank .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank .vl { font-variant-numeric: tabular-nums; font-weight: 600; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--ink-200); padding: 0 16px; background: #fff; overflow-x: auto; }
.tabs a {
    padding: 9px 14px; font-size: 13px; color: var(--ink-500);
    border-bottom: 2px solid transparent; white-space: nowrap;
}
.tabs a:hover { color: var(--blue); text-decoration: none; }
.tabs a.on { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }
.tab-pane { padding: 16px; }

.pill { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 20px; font-size: 11.5px; background: var(--ink-100); color: var(--ink-600); }
.dot-live { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(28,148,87,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 7px rgba(28,148,87,0); } 100% { box-shadow: 0 0 0 0 rgba(28,148,87,0); } }

.progress { height: 8px; background: var(--ink-100); border-radius: 4px; overflow: hidden; min-width: 70px; }
.progress > i { display: block; height: 100%; background: var(--green); border-radius: 4px; }
.progress.warn > i { background: var(--orange); }
.progress.danger > i { background: var(--red); }

/* ---------------------------------------------------------------- 登录页 */
.auth-wrap {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    background: var(--ink-900);
}
.auth-hero {
    color: #fff;
    padding: 56px 54px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background:
        radial-gradient(900px 420px at 12% 10%, rgba(22, 104, 193, .5), transparent 60%),
        radial-gradient(700px 380px at 85% 85%, rgba(224, 167, 40, .28), transparent 60%),
        linear-gradient(160deg, #0d1b2a, #16324c);
    position: relative;
    overflow: hidden;
}
.auth-hero::after {
    content: '';
    position: absolute; right: -120px; bottom: -120px;
    width: 380px; height: 380px; border-radius: 50%;
    border: 40px solid rgba(255, 255, 255, .04);
}
.auth-hero h1 { color: #fff; font-size: 30px; line-height: 1.3; margin-bottom: 12px; }
.auth-hero .lead { color: var(--ink-300); font-size: 14.5px; max-width: 520px; }
.auth-hero .badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.auth-hero .badges span {
    padding: 5px 11px; border-radius: 20px; font-size: 12.5px;
    background: rgba(255, 255, 255, .09); color: #e8eef5; border: 1px solid rgba(255, 255, 255, .12);
}
.auth-hero .mods { margin-top: 26px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 18px; font-size: 12.5px; color: var(--ink-300); }
.auth-panel {
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 34px;
    overflow-y: auto;
}
.auth-box { width: 100%; max-width: 380px; }
.auth-box h2 { font-size: 21px; }
.auth-box .desc { color: var(--ink-500); font-size: 13px; margin-bottom: 20px; }
.auth-box .fld { margin-bottom: 14px; display: flex; flex-direction: column; gap: 5px; }
.auth-box .fld label { font-size: 12.5px; font-weight: 600; color: var(--ink-600); }
.auth-box .fld input { width: 100%; padding: 10px 12px; font-size: 14px; }
.demo-users { margin-top: 22px; border-top: 1px dashed var(--ink-200); padding-top: 16px; }
.demo-users h4 { font-size: 12.5px; color: var(--ink-500); font-weight: 600; margin-bottom: 10px; }
.demo-users .list { display: flex; flex-wrap: wrap; gap: 6px; }
.demo-users button {
    font-size: 12px; padding: 5px 10px; border-radius: 20px;
    border: 1px solid var(--ink-200); background: #fff; cursor: pointer; font-family: inherit;
    color: var(--ink-700);
}
.demo-users button:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }
.hint-line { font-size: 12px; color: var(--ink-400); }

/* ---------------------------------------------------------------- 错误页 */
.err-wrap { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.err-code { font-size: 74px; font-weight: 800; color: var(--ink-200); line-height: 1; letter-spacing: -2px; }

/* ---------------------------------------------------------------- 数据大屏 */
body.screen-mode { background: #04121f; color: #d7e6f3; overflow-x: hidden; }
.screen-root { padding: 14px 20px 22px; min-height: 100vh; }
.screen-head { display: flex; align-items: center; gap: 14px; padding-bottom: 10px; border-bottom: 1px solid rgba(90, 160, 220, .22); margin-bottom: 14px; }
.screen-head h1 {
    color: #eaf4ff; font-size: 26px; letter-spacing: 2px; margin: 0;
    background: linear-gradient(90deg, #eaf4ff, #7fb6e8); -webkit-background-clip: text; background-clip: text;
}
.screen-head .clock { margin-left: auto; font-family: var(--mono); color: #7fb6e8; font-size: 15px; }
.screen-head .who { font-size: 12px; color: #6d90ac; }
.screen-kpi { display: grid; gap: 12px; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.skpi {
    background: linear-gradient(180deg, rgba(20, 60, 100, .55), rgba(8, 30, 52, .55));
    border: 1px solid rgba(90, 160, 220, .22);
    border-radius: 8px;
    padding: 12px 14px;
    position: relative;
    overflow: hidden;
}
.skpi::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(180deg, #45a6ff, #1668c1); }
.skpi.gold::before { background: linear-gradient(180deg, #ffd264, #e0a728); }
.skpi.red::before { background: linear-gradient(180deg, #ff8080, #d64545); }
.skpi.green::before { background: linear-gradient(180deg, #4fd18b, #1c9457); }
.skpi .lb { font-size: 12.5px; color: #8fb3cd; }
.skpi .vl { font-size: 27px; font-weight: 700; color: #f2f8ff; font-variant-numeric: tabular-nums; letter-spacing: .5px; }
.skpi .un { font-size: 12px; color: #6d90ac; margin-left: 4px; }
.screen-panels { display: grid; gap: 12px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 12px; }
.spanel {
    background: linear-gradient(180deg, rgba(16, 48, 82, .55), rgba(6, 24, 42, .55));
    border: 1px solid rgba(90, 160, 220, .2);
    border-radius: 8px;
    overflow: hidden;
}
.spanel h3 { margin: 0; padding: 10px 14px; font-size: 13.5px; color: #cfe4f6; border-bottom: 1px solid rgba(90,160,220,.16); letter-spacing: 1px; }
.spanel .bd { padding: 10px 14px 14px; }
.sbar { display: flex; align-items: center; gap: 8px; font-size: 12.5px; padding: 5px 0; color: #b6d0e6; }
.sbar .nm { width: 96px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sbar .tr { flex: 1; height: 8px; background: rgba(255,255,255,.08); border-radius: 4px; overflow: hidden; }
.sbar .tr > i { display: block; height: 100%; background: linear-gradient(90deg, #1668c1, #45a6ff); }
.sbar .vl { width: 100px; text-align: right; font-family: var(--mono); }
.salert { display: flex; gap: 8px; align-items: flex-start; padding: 6px 0; border-bottom: 1px dashed rgba(90,160,220,.14); font-size: 12.5px; color: #c3d8ea; }
.salert:last-child { border-bottom: none; }
.salert .lv { flex: 0 0 auto; font-size: 11px; padding: 1px 7px; border-radius: 10px; }
.salert .lv.high { background: rgba(214,69,69,.22); color: #ff9d9d; }
.salert .lv.medium { background: rgba(226,128,31,.22); color: #ffc78a; }
.salert .lv.low { background: rgba(22,104,193,.25); color: #9cc8f5; }
.salert .tx { flex: 1; }
.salert .am { font-family: var(--mono); color: #9cc8f5; }
.screen-foot { margin-top: 14px; font-size: 12px; color: #5c7f9c; display: flex; gap: 16px; }

/* ---------------------------------------------------------------- 移动端 */
body.mobile-mode { background: #eef2f7; }
.phone {
    max-width: 430px;
    margin: 0 auto;
    background: #f4f7fb;
    min-height: 100vh;
    box-shadow: 0 0 60px rgba(13, 27, 42, .16);
    position: relative;
    padding-bottom: 74px;
}
.appbar {
    background: linear-gradient(135deg, #124a86, #1668c1);
    color: #fff;
    padding: 14px 16px 16px;
    position: sticky; top: 0; z-index: 10;
}
.appbar .t { font-size: 17px; font-weight: 700; }
.appbar .s { font-size: 12px; opacity: .85; }
.appbar .act { position: absolute; right: 14px; top: 14px; font-size: 12px; color: #fff; opacity: .9; }
.mobile-content { padding: 12px; }
.mcard { background: #fff; border-radius: 12px; padding: 13px 14px; margin-bottom: 10px; box-shadow: 0 1px 3px rgba(13,27,42,.08); }
.mcard h3 { font-size: 14px; display: flex; align-items: center; gap: 7px; margin-bottom: 8px; }
.mcard h3 .right { margin-left: auto; font-size: 11.5px; color: var(--ink-400); font-weight: 400; }
.mkpi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 10px; }
.mkpi .it { background: #fff; border-radius: 10px; padding: 10px 8px; text-align: center; box-shadow: 0 1px 3px rgba(13,27,42,.08); }
.mkpi .it b { display: block; font-size: 19px; color: var(--blue-dark); line-height: 1.2; }
.mkpi .it span { font-size: 11px; color: var(--ink-500); }
.mlist { list-style: none; margin: 0; padding: 0; }
.mlist li { padding: 9px 0; border-bottom: 1px solid var(--ink-100); display: flex; gap: 9px; align-items: flex-start; }
.mlist li:last-child { border-bottom: none; }
.mlist .tx { flex: 1; min-width: 0; }
.mlist .tx b { font-weight: 600; font-size: 13px; display: block; }
.mlist .tx small { color: var(--ink-500); font-size: 11.5px; }
.mtabbar {
    position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 100%; max-width: 430px;
    background: #fff; border-top: 1px solid var(--ink-200);
    display: grid; grid-template-columns: repeat(5, 1fr);
    box-shadow: 0 -2px 12px rgba(13,27,42,.08);
}
.mtabbar a { padding: 8px 2px 10px; text-align: center; font-size: 10.5px; color: var(--ink-500); }
.mtabbar a span { display: block; font-size: 18px; line-height: 1.3; }
.mtabbar a.on { color: var(--blue); font-weight: 600; }

/* ---------------------------------------------------------------- H5 客户端 */
body.h5-mode { background: #eef2f7; }
.h5-wrap { max-width: 480px; margin: 0 auto; background: #f4f7fb; min-height: 100vh; padding-bottom: 40px; }
.h5-hero {
    background: linear-gradient(150deg, #124a86, #1668c1 55%, #1e7fd6);
    color: #fff; padding: 22px 18px 26px;
}
.h5-hero h1 { color: #fff; font-size: 20px; margin-bottom: 4px; }
.h5-hero p { color: #cfe4f6; font-size: 12.5px; margin: 0; }
.h5-search { display: flex; gap: 8px; margin-top: 16px; }
.h5-search input { flex: 1; padding: 11px 13px; border-radius: 22px; border: none; font-size: 14px; }
.h5-search button { padding: 11px 18px; border-radius: 22px; border: none; background: var(--gold); color: #3a2a05; font-weight: 700; cursor: pointer; font-family: inherit; }
.h5-body { padding: 12px; margin-top: -14px; }
.h5-card { background: #fff; border-radius: 12px; padding: 14px; margin-bottom: 10px; box-shadow: 0 2px 8px rgba(13,27,42,.08); }
.h5-card h3 { font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.h5-card h3 .right { margin-left: auto; font-size: 11.5px; color: var(--ink-400); font-weight: 400; }
.h5-kv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 12px; font-size: 12.5px; }
.h5-kv .k { color: var(--ink-500); font-size: 11.5px; }
.h5-kv .v { font-weight: 600; }
.h5-tip { font-size: 11.5px; color: var(--ink-400); text-align: center; padding: 14px; }
.sched { display: flex; flex-wrap: wrap; gap: 6px; }
.sched .p {
    width: 47px; padding: 5px 0; border-radius: 7px; text-align: center;
    font-size: 11px; background: var(--ink-100); color: var(--ink-500); border: 1px solid transparent;
}
.sched .p b { display: block; font-size: 12px; }
.sched .p.paid { background: var(--green-light); color: #146b40; }
.sched .p.due { background: var(--orange-light); color: #97560f; }
.sched .p.over { background: var(--red-light); color: #a52d2d; }

/* ---------------------------------------------------------------- 产品说明 */
body.intro-mode { background: #fff; }
.intro-top {
    background: linear-gradient(160deg, #0d1b2a, #16324c);
    color: #fff; padding: 40px 24px 44px;
}
.intro-top .inner { max-width: 1120px; margin: 0 auto; }
.intro-top h1 { color: #fff; font-size: 30px; margin-bottom: 10px; }
.intro-top p { color: var(--ink-300); max-width: 760px; font-size: 14.5px; }
.intro-stats { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 22px; }
.intro-stats .s b { display: block; font-size: 27px; color: var(--gold); line-height: 1.2; }
.intro-stats .s span { font-size: 12.5px; color: var(--ink-300); }
.intro-main { max-width: 1120px; margin: 0 auto; padding: 26px 24px 60px; }
.mod-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.mod { border: 1px solid var(--ink-200); border-radius: var(--radius); padding: 14px; background: #fff; }
.mod .no {
    display: inline-block; font-family: var(--mono); font-size: 11.5px;
    background: var(--ink-900); color: #fff; padding: 1px 7px; border-radius: 4px; margin-bottom: 8px;
}
.mod h3 { font-size: 14.5px; margin-bottom: 5px; }
.mod p { font-size: 12.5px; color: var(--ink-500); margin: 0 0 8px; }
.mod .links { display: flex; flex-wrap: wrap; gap: 6px; }
.mod .links a { font-size: 11.5px; padding: 2px 8px; border-radius: 14px; background: var(--ink-100); color: var(--ink-600); }
.mod .links a:hover { background: var(--blue-light); color: var(--blue-dark); text-decoration: none; }
.sect-title { display: flex; align-items: center; gap: 10px; margin: 28px 0 14px; }
.sect-title h2 { margin: 0; font-size: 18px; }
.sect-title .line { flex: 1; height: 1px; background: var(--ink-200); }
.intro-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.intro-table th, .intro-table td { padding: 8px 12px; border-bottom: 1px solid var(--ink-100); text-align: left; }
.intro-table th { background: var(--ink-50); font-size: 12px; color: var(--ink-600); }
.tone-list { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 1280px) {
    .screen-kpi { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .screen-panels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1080px) {
    :root { --sidebar: 210px; }
    .grid-4, .grid-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .searchbox input { width: 150px; }
}
@media (max-width: 860px) {
    .app { flex-direction: column; }
    .sidebar { width: 100%; flex: none; height: auto; position: relative; }
    .nav { max-height: 46vh; }
    .auth-wrap { grid-template-columns: 1fr; }
    .auth-hero { display: none; }
    .grid-2, .grid-3, .grid-4, .grid-6 { grid-template-columns: minmax(0, 1fr); }
    .screen-kpi, .screen-panels { grid-template-columns: minmax(0, 1fr); }
    .form-grid .fld { grid-column: span 12 !important; }
    .content { padding: 12px; }
}
@media print {
    .sidebar, .topbar, .filterbar, .pager, .row-actions, .btn { display: none !important; }
    .card { box-shadow: none; border-color: #ccc; }
    body { background: #fff; }
}