:root {
  --bg: #fafaf9;
  --bg-2: #f5f5f4;
  --card: #ffffff;
  --line: #e7e5e4;
  --line-strong: #d6d3d1;
  --ink: #1c1917;
  --ink-2: #44403c;
  --ink-3: #78716c;
  --ink-4: #a8a29e;
  --accent: #ea580c;
  --accent-soft: #fff7ed;
  --accent-ring: #fed7aa;
  --good: #15803d;
  --warn: #b45309;
  --bad: #b91c1c;
  --serif: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", "Menlo", monospace;
  --r: 6px;
  --r-lg: 10px;
  --shadow: 0 1px 2px rgba(28,25,23,0.04), 0 0 0 1px rgba(28,25,23,0.04);
}

* { box-sizing: border-box; }
html, body { margin:0; padding:0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-feature-settings: "cv11","ss01","ss03";
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============ 顶部导航 ============ */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(250,250,249,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex; align-items: center; gap: 24px;
}
.brand {
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 15px;
}
.brand .dot {
  display:inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); margin-right: 8px; vertical-align: middle;
}
.nav-spacer { flex: 1; }
.nav-link {
  color: var(--ink-3); text-decoration: none; font-size: 13px;
  padding: 6px 10px; border-radius: 6px;
}
.nav-link:hover { color: var(--ink); background: var(--bg-2); }
.nav-link.active { color: var(--ink); background: var(--bg-2); }

.user-switch {
  position: relative;
}
.user-switch select {
  appearance: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 28px 6px 12px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
}
.user-switch::after {
  content: "";
  position: absolute; right: 10px; top: 50%;
  width: 8px; height: 8px; border-right: 1.5px solid var(--ink-3);
  border-bottom: 1.5px solid var(--ink-3); transform: translateY(-75%) rotate(45deg);
  pointer-events: none;
}

/* ============ 主体容器 ============ */
.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 32px 96px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}

h1, h2, h3, h4 {
  font-family: var(--sans);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}
h1 { font-size: 44px; font-weight: 600; line-height: 1.1; }
h2 { font-size: 22px; font-weight: 600; line-height: 1.25; margin-bottom: 4px; }
h3 { font-size: 15px; font-weight: 600; line-height: 1.3; }
.subtitle { color: var(--ink-3); font-size: 15px; margin-top: 8px; }

/* ============ Hero ============ */
.hero {
  padding: 24px 0 40px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}
.hero-meta {
  display: flex; gap: 20px; align-items: center; flex-wrap: wrap;
  color: var(--ink-3); font-size: 13px;
  margin-top: 16px;
}
.hero-meta .pill {
  display:inline-flex; align-items:center; gap:6px;
  padding: 4px 10px; border-radius: 999px;
  background: var(--bg-2); border: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px;
}
.hero-meta .pill .k { color: var(--ink-3); }
.hero-meta .pill .v { color: var(--ink); }

/* ============ KPI 卡片 ============ */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}
.kpi {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  display: flex; flex-direction: column; gap: 6px;
  position: relative;
}
.kpi .label {
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.kpi .value {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.1;
  margin-top: 2px;
}
.kpi .unit {
  font-size: 13px;
  color: var(--ink-3);
  margin-left: 2px;
  font-weight: 400;
}
.kpi .delta {
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--mono);
  margin-top: 6px;
}
.kpi .delta.up { color: var(--bad); }
.kpi .delta.down { color: var(--good); }
.kpi.accent {
  background: linear-gradient(180deg, var(--accent-soft) 0%, var(--card) 60%);
  border-color: var(--accent-ring);
}
.kpi.accent .value { color: var(--accent); }

@media (max-width: 900px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
}

/* ============ Section ============ */
.section {
  margin: 64px 0;
}
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}
.section-head .left { display: flex; align-items: baseline; gap: 14px; }
.section-head .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: 0.08em;
}
.section-head .note {
  color: var(--ink-3); font-size: 13px;
}

/* ============ 网格布局 ============ */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-fr-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.grid-fr-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 20px; }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-fr-2-1, .grid-fr-1-2 { grid-template-columns: 1fr; }
}

/* ============ Card ============ */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px;
}
.card-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 16px;
}
.card-head h3 { color: var(--ink); }
.card-head .sub {
  font-size: 12px; color: var(--ink-3); font-family: var(--mono);
}
.card-body { color: var(--ink-2); }

.chart {
  width: 100%;
  height: 260px;
}
.chart.tall { height: 320px; }
.chart.short { height: 200px; }

/* ============ Insight 段 ============ */
.narrative {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px 32px;
}
.narrative h3 {
  margin-bottom: 14px;
  font-size: 17px;
}
.narrative p {
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.75;
  margin: 0 0 14px;
}
.narrative p:last-child { margin-bottom: 0; }
.narrative .hl {
  background: linear-gradient(0deg, var(--accent-soft) 0%, var(--accent-soft) 60%, transparent 60%);
  padding: 0 2px;
  color: var(--ink);
  font-weight: 500;
}
.narrative .num {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--ink);
}

/* ============ 列表 ============ */
.list {
  display: flex; flex-direction: column; gap: 0;
}
.list .row {
  display: grid;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.list .row:last-child { border-bottom: none; }
.list .row .label { color: var(--ink-2); }
.list .row .val { font-family: var(--mono); color: var(--ink); text-align: right; }

table.minimal {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.minimal th, table.minimal td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
}
table.minimal th {
  color: var(--ink-3);
  font-weight: 500;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
table.minimal td.mono { font-family: var(--mono); }
table.minimal td.r, table.minimal th.r { text-align: right; }
table.minimal tr:hover td { background: var(--bg-2); }

/* ============ 用户卡片网格（index 用） ============ */
.users-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 900px) { .users-grid { grid-template-columns: 1fr 1fr; } }
.user-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 18px 20px;
  text-decoration: none;
  color: var(--ink);
  transition: all 0.15s ease;
  display: flex; flex-direction: column; gap: 10px;
  position: relative;
}
.user-card:hover {
  border-color: var(--accent-ring);
  box-shadow: 0 4px 16px rgba(234,88,12,0.06), 0 0 0 1px var(--accent-ring);
  transform: translateY(-1px);
}
.user-card .name {
  font-size: 17px; font-weight: 600; letter-spacing: -0.01em;
}
.user-card .rank {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3);
  position: absolute; top: 14px; right: 14px;
}
.user-card .stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  margin-top: 4px;
}
.user-card .stat .k { font-size: 10px; color: var(--ink-3); font-family: var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.user-card .stat .v { font-family: var(--mono); font-size: 16px; color: var(--ink); margin-top: 2px; }
.user-card .bar {
  height: 4px; background: var(--bg-2); border-radius: 999px; overflow: hidden; margin-top: 8px;
}
.user-card .bar .fill { height: 100%; background: var(--accent); border-radius: 999px; }

/* ============ 进度条 / 比较 ============ */
.compare {
  display: flex; align-items: center; gap: 12px;
}
.compare .you, .compare .grp {
  flex: 1;
}
.compare .label { font-size: 11px; color: var(--ink-3); font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.compare .val { font-family: var(--mono); font-size: 22px; color: var(--ink); }
.compare .val.you { color: var(--accent); }
.compare .bar-track { height: 6px; background: var(--bg-2); border-radius: 999px; margin-top: 8px; }
.compare .bar-fill { height: 100%; border-radius: 999px; background: var(--ink); }
.compare .bar-fill.you { background: var(--accent); }

/* ============ tag / badge ============ */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 999px;
  font-family: var(--mono); font-size: 11px;
  background: var(--bg-2); border: 1px solid var(--line);
  color: var(--ink-2);
}
.tag.good { background: #f0fdf4; border-color: #bbf7d0; color: var(--good); }
.tag.warn { background: #fffbeb; border-color: #fde68a; color: var(--warn); }
.tag.bad { background: #fef2f2; border-color: #fecaca; color: var(--bad); }
.tag.accent { background: var(--accent-soft); border-color: var(--accent-ring); color: var(--accent); }

/* ============ 徽章墙 ============ */
.badges-summary {
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: 22px; padding: 14px 18px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
}
.badges-summary .big {
  font-family: var(--mono); font-size: 28px; color: var(--accent); font-weight: 600;
  letter-spacing: -0.01em;
}
.badges-summary .of {
  font-family: var(--mono); font-size: 14px; color: var(--ink-3);
}
.badges-summary .legend {
  margin-left: auto; display: flex; gap: 14px; font-size: 12px; color: var(--ink-3); font-family: var(--mono);
}
.badges-summary .legend span { display:inline-flex; align-items:center; gap:6px; }
.badges-summary .legend i { width: 8px; height: 8px; border-radius: 50%; display:inline-block; }

.badge-groups { display: flex; flex-direction: column; gap: 22px; }
.badge-group .group-title {
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex; align-items: baseline; gap: 10px;
}
.badge-group .group-title .count {
  color: var(--ink-4); font-size: 11px;
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
}
.badge {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 14px 12px 12px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  position: relative;
  transition: all 0.18s ease;
}
.badge.unlocked {
  border-color: var(--accent-ring);
  box-shadow: 0 1px 3px rgba(234,88,12,0.06);
}
.badge.unlocked:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 6px 18px rgba(234,88,12,0.12);
}
.badge.locked {
  opacity: 0.45;
  filter: grayscale(100%);
}
.badge.locked:hover { opacity: 0.7; }

.badge .img {
  width: 92px; height: 92px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.badge .img img {
  width: 100%; height: 100%; object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}
.badge.locked .img::after {
  content: "🔒";
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
}
.badge .name {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.badge .desc {
  margin-top: 4px;
  font-size: 11px;
  color: var(--ink-3);
  line-height: 1.4;
  font-family: var(--sans);
  min-height: 30px;
}
.badge .ribbon {
  position: absolute; top: 8px; right: 8px;
  font-family: var(--sans); font-size: 10px;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-weight: 500;
}
.badge.locked .ribbon { display: none; }
.badge .ach-date {
  margin-top: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.02em;
}

/* ============ footer ============ */
.footer {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-4);
  font-family: var(--mono);
  display: flex; justify-content: space-between;
}

/* ============ scroll ============ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-4); }