:root {
    --navy: #123a6b;
    --navy-2: #1b4f8a;
    --red: #b7232e;
    --ink: #1f2430;
    --grey: #5a6270;
    --line: #e3e7ee;
    --bg: #f5f7fa;
    --card: #fff;
    --gold: #d4a017;
    --silver: #8d95a3;
    --bronze: #b4713b;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 15px/1.6 -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
}

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--red); }
h1, h2, h3 { margin: 0 0 8px; font-weight: 700; letter-spacing: .2px; }
h1 { font-size: 24px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; color: var(--navy); margin-top: 18px; }
small { font-weight: 400; }

.wrap { width: min(1180px, 94vw); margin: 0 auto; }
.muted { color: var(--grey); font-size: 13px; }
.center { text-align: center; }
.left { text-align: left !important; }
.num { font-variant-numeric: tabular-nums; }

/* 顶栏 */
.topbar {
    background: var(--navy);
    color: #fff;
    box-shadow: 0 2px 10px rgba(18, 58, 107, .18);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { color: #fff; font-weight: 700; font-size: 17px; display: flex; align-items: center; gap: 9px; }
.brand:hover { color: #fff; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--red); display: inline-block; }
.nav { display: flex; gap: 18px; }
.nav a { color: #d7e2f2; font-size: 14px; }
.nav a:hover { color: #fff; }
.who { color: #c9d6e8; font-size: 13px; }
.who em { font-style: normal; color: #fff; background: rgba(255, 255, 255, .16); padding: 1px 6px; border-radius: 99px; font-size: 11px; }
.pill { display: inline-block; min-width: 18px; padding: 0 6px; border-radius: 99px; background: var(--red); color: #fff; font-size: 11px; font-style: normal; line-height: 18px; text-align: center; }
.pill.big { background: #fff3f4; color: var(--red); border: 1px solid #f0ccd1; padding: 4px 10px; font-size: 12.5px; border-radius: 8px; }

/* 二级导航 */
.subnav { background: #fff; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.subnav .wrap { display: flex; gap: 6px; overflow-x: auto; }
.subnav a {
    padding: 12px 14px;
    font-size: 14px;
    color: var(--grey);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}
.subnav a:hover { color: var(--navy); }
.subnav a.active { color: var(--navy); border-bottom-color: var(--red); font-weight: 600; }

/* 页头 */
.hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin: 22px 0 16px;
}
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* 统计卡 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.stat .k { color: var(--grey); font-size: 12px; }
.stat .v { font-size: 24px; font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; }

/* 卡片 */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px 18px;
    margin-bottom: 18px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }

/* 表格 */
.table-wrap { overflow-x: auto; }
.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
.grid th, .grid td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--line);
    text-align: center;
    white-space: nowrap;
}
.grid th { color: var(--grey); font-weight: 600; font-size: 13px; background: #fafbfd; }
.grid tbody tr:hover { background: #f8fafc; }
.grid .left { white-space: normal; }
.grid .empty { color: var(--grey); padding: 30px; }
.grid .total { font-weight: 700; color: var(--red); }
.grid .name { text-align: left; }
.grid .name .sub { color: var(--grey); font-size: 11.5px; display: flex; gap: 6px; align-items: center; }
.w60 { width: 60px; } .w70 { width: 70px; } .w80 { width: 80px; }
.w40 { width: 40px; } .w90 { width: 90px; } .w110 { width: 110px; } .w150 { width: 150px; } .w260 { width: 260px; }

/* 名次徽标 */
.rk {
    display: inline-flex; align-items: center; justify-content: center;
    width: 26px; height: 26px; border-radius: 50%;
    font-size: 13px; font-weight: 700; color: #fff; background: #c3c9d4;
}
.rk.r1 { background: var(--gold); }
.rk.r2 { background: var(--silver); }
.rk.r3 { background: var(--bronze); }

/* 进度条 */
.bar { height: 8px; background: #eef1f6; border-radius: 99px; overflow: hidden; min-width: 90px; }
.bar.small { height: 6px; margin-top: 6px; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--navy-2), var(--navy)); border-radius: 99px; transition: width .4s ease; }

/* 状态徽标 */
.badge { font-size: 11px; padding: 1px 7px; border-radius: 99px; border: 1px solid transparent; }
.b-ok { background: #e8f5ec; color: #1f7a44; border-color: #cbe7d5; }
.b-warn { background: #fff6e5; color: #96650a; border-color: #f3e0b8; }
.b-mute { background: #eef0f4; color: #6b7280; border-color: #e0e3e9; }
.b-pend { background: #fff6e5; color: #96650a; border-color: #f3e0b8; }
.b-err { background: #fdeef0; color: #a3192a; border-color: #f2ccd2; }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
    background: #fff; color: var(--navy); font-size: 14px; cursor: pointer;
    transition: all .15s ease;
}
.btn:hover { border-color: var(--navy); color: var(--navy); }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.primary:hover { background: var(--navy-2); color: #fff; }
.btn.danger { color: var(--red); border-color: #f0cdd0; }
.btn.danger:hover { background: #fdf1f2; border-color: var(--red); }
.btn.block { width: 100%; }
.btn.sm { padding: 5px 10px; font-size: 13px; }

/* 表单 */
.form label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--grey); }
.form input[type=text], .form input[type=password], .form input[type=date],
.form input[type=number], .form select, .form textarea, select, input[type=text], input[type=password] {
    width: 100%;
    margin-top: 5px;
    padding: 9px 11px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 14px;
    color: var(--ink);
    background: #fff;
    font-family: inherit;
}
.form input:focus, .form select:focus, select:focus, input:focus, textarea:focus {
    outline: none; border-color: var(--navy-2); box-shadow: 0 0 0 3px rgba(27, 79, 138, .12);
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.inline { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.inline > * { flex: 1 1 160px; }
.check { display: flex !important; gap: 8px; align-items: center; color: var(--ink) !important; }
.check input { width: auto !important; margin: 0 !important; }

/* 提示条 */
.flash { padding: 10px 14px; border-radius: 9px; margin: 14px 0; font-size: 14px; }
.flash.ok { background: #eaf6ee; color: #1f7a44; border: 1px solid #cbe7d5; }
.flash.err { background: #fdeef0; color: #a3192a; border: 1px solid #f2ccd2; }

/* 登录 */
.login-wrap { display: flex; justify-content: center; padding: 40px 0; }
.login-card { width: min(400px, 100%); }
.login-card h1 { font-size: 20px; }

/* 安装页 */
body.install { background: #eef2f7; }
.install-box {
    width: min(680px, 94vw);
    margin: 40px auto;
    background: #fff;
    border-radius: 14px;
    padding: 26px 28px;
    box-shadow: 0 12px 40px rgba(18, 58, 107, .12);
}
.install-head h1 { font-size: 22px; color: var(--navy); }
.install-head p { margin: 0 0 18px; color: var(--grey); font-size: 13px; }

/* 分类进度 */
.caps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.cap { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.cap-top { display: flex; justify-content: space-between; font-size: 13px; gap: 8px; }
.cap-top .num { color: var(--navy); font-weight: 600; }

/* 成员卡片 */
.members { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.member-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }

/* 页脚 */
.foot { margin: 30px 0 20px; color: var(--grey); font-size: 12.5px; text-align: center; }

@media (max-width: 860px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
    .caps { grid-template-columns: 1fr 1fr; }
    .grid2 { grid-template-columns: 1fr; }
    .hero { flex-direction: column; align-items: flex-start; }
    .nav { gap: 12px; }
}