/* ============================================================
   零时量化 · 前台原型（20261023）
   设计语言沿用零时科技前台/融合版原型：品牌青 #06b6d4 · 深色科技风 · 玻璃态
   四大区模块色：首页 cyan / 练习库 green / 训练营 amber / 工具箱 purple
   工具箱内部沿用融合版线色：辅助看盘 orange / 因子结构 teal / 量化复盘 yellow / 共学工具 purple
   ============================================================ */
:root {
  --brand: #06b6d4;
  --brand-dark: #0891b2;
  --brand-light: rgba(6, 182, 212, 0.12);
  --accent: #f59e0b;
  --ctrl: #8b5cf6;
  --red: #e03131;
  --green: #2f9e44;
  --bg: #0b1120;
  --panel: rgba(17, 24, 39, 0.85);
  --panel-solid: #111827;
  --border: rgba(148, 163, 184, 0.15);
  --line: rgba(148, 163, 184, 0.22);
  --text: #f8fafc;
  --text-2: #94a3b8;
  --text-3: #64748b;
  --sidebar-w: 232px;
  --radius: 12px;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
  /* 四大区模块色 */
  --m-practice: #34d399;
  --m-practice-glow: rgba(52, 211, 153, 0.32);
  --m-practice-dim: rgba(52, 211, 153, 0.1);
  --m-camp: #f59e0b;
  --m-camp-glow: rgba(245, 158, 11, 0.32);
  --m-camp-dim: rgba(245, 158, 11, 0.1);
  --m-tool: #8b5cf6;
  --m-tool-glow: rgba(139, 92, 246, 0.32);
  --m-tool-dim: rgba(139, 92, 246, 0.1);
  /* 工具箱四模块线色（与融合版一致） */
  --m-watch: #fb923c;
  --m-watch-glow: rgba(251, 146, 60, 0.32);
  --m-watch-dim: rgba(251, 146, 60, 0.1);
  --m-factor: #2dd4bf;
  --m-factor-glow: rgba(45, 212, 191, 0.32);
  --m-factor-dim: rgba(45, 212, 191, 0.1);
  --m-review: #facc15;
  --m-review-glow: rgba(250, 204, 21, 0.3);
  --m-review-dim: rgba(250, 204, 21, 0.09);
  --buy: #34d399;
  --sell: #f87171;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  overflow: hidden;
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(720px 420px at 82% -8%, rgba(6, 182, 212, 0.07), transparent 60%),
    radial-gradient(560px 360px at -6% 104%, rgba(139, 92, 246, 0.06), transparent 60%);
}
a { color: var(--brand); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #334155; border-radius: 5px; }
::-webkit-scrollbar-track { background: transparent; }

/* ============ 布局骨架 ============ */
.layout { position: relative; z-index: 1; display: flex; height: 100vh; }

.sidebar {
  width: var(--sidebar-w); flex: none;
  background: rgba(13, 19, 35, 0.92);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  backdrop-filter: blur(14px);
}
.side-brand {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.side-logo {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; box-shadow: 0 0 18px rgba(6, 182, 212, 0.35);
}
.side-brand .t1 { font-size: 15px; font-weight: 700; letter-spacing: 0.5px; }
.side-brand .t2 { font-size: 11px; color: var(--text-3); margin-top: 2px; }

.side-group { padding: 14px 12px 4px; font-size: 11px; color: var(--text-3); letter-spacing: 2px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  margin: 2px 10px; padding: 10px 12px;
  border-radius: 9px; color: var(--text-2);
  cursor: pointer; font-size: 13.5px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  position: relative;
}
.nav-item:hover { color: var(--text); background: rgba(148, 163, 184, 0.07); }
.nav-item.active { color: var(--text); background: var(--brand-light); border-color: rgba(6, 182, 212, 0.25); }
.nav-item .ico { width: 20px; text-align: center; font-size: 15px; }
.nav-item .dot { position: absolute; right: 12px; width: 7px; height: 7px; border-radius: 50%; }
.nav-item[data-page="home"] .dot { background: var(--brand); box-shadow: 0 0 8px rgba(6, 182, 212, 0.6); }
.nav-item[data-page="practice"] .dot { background: var(--m-practice); box-shadow: 0 0 8px var(--m-practice-glow); }
.nav-item[data-page="camp"] .dot { background: var(--m-camp); box-shadow: 0 0 8px var(--m-camp-glow); }
.nav-item[data-page="toolbox"] .dot { background: var(--m-tool); box-shadow: 0 0 8px var(--m-tool-glow); }

.side-foot {
  margin-top: auto; padding: 14px 16px;
  border-top: 1px solid var(--border);
  font-size: 11px; color: var(--text-3); line-height: 1.7;
}
.side-foot b { color: var(--text-2); font-weight: 600; }

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

.topbar {
  height: 58px; flex: none;
  display: flex; align-items: center; gap: 14px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 19, 35, 0.72);
  backdrop-filter: blur(14px);
}
.topbar .crumb { font-size: 12px; color: var(--text-3); }
.topbar h1 { font-size: 17px; font-weight: 700; letter-spacing: 0.4px; }
.topbar h1 .mod-tag {
  display: inline-block; margin-left: 10px; padding: 2px 10px;
  font-size: 11px; border-radius: 999px; vertical-align: 2px; letter-spacing: 1px;
}
.topbar .spacer { flex: 1; }
.env-chip {
  font-size: 11px; color: var(--text-2);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 12px; background: rgba(17, 24, 39, 0.6);
}
.env-chip b { color: var(--accent); font-weight: 600; }

.content { flex: 1; overflow-y: auto; padding: 22px 26px 40px; }
.page { max-width: 1320px; margin: 0 auto; animation: fadein 0.25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ============ 通用组件 ============ */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.panel-hd {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.panel-hd .ttl { font-size: 14px; font-weight: 700; }
.panel-hd .sub { font-size: 12px; color: var(--text-3); }
.panel-hd .right { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.panel-bd { padding: 16px 18px; }

.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 999px;
  font-size: 11.5px; line-height: 1.6; white-space: nowrap;
  border: 1px solid var(--line); color: var(--text-2); background: rgba(17, 24, 39, 0.55);
}
.chip.cyan   { color: #67e8f9; border-color: rgba(6,182,212,.35);  background: rgba(6,182,212,.1); }
.chip.teal   { color: #5eead4; border-color: rgba(45,212,191,.35); background: rgba(45,212,191,.1); }
.chip.yellow { color: #fde047; border-color: rgba(250,204,21,.35); background: rgba(250,204,21,.09); }
.chip.orange { color: #fdba74; border-color: rgba(251,146,60,.35); background: rgba(251,146,60,.1); }
.chip.amber  { color: #fbbf24; border-color: rgba(245,158,11,.35); background: rgba(245,158,11,.1); }
.chip.purple { color: #c4b5fd; border-color: rgba(139,92,246,.35); background: rgba(139,92,246,.1); }
.chip.green  { color: #6ee7b7; border-color: rgba(52,211,153,.35); background: rgba(52,211,153,.1); }
.chip.red    { color: #fca5a5; border-color: rgba(248,113,113,.35); background: rgba(248,113,113,.1); }
.chip.gray   { color: var(--text-2); }

.btn {
  padding: 7px 14px; border-radius: 8px; font-size: 12.5px;
  border: 1px solid var(--line); color: var(--text-2);
  background: rgba(17, 24, 39, 0.6);
  transition: all 0.15s ease;
}
.btn:hover { color: var(--text); border-color: var(--brand); }
.btn.primary {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  border-color: transparent; color: #fff; font-weight: 600;
  box-shadow: 0 2px 12px rgba(6, 182, 212, 0.35);
}
.btn.primary:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 4px 10px; font-size: 11.5px; border-radius: 6px; }
.btn.green {
  background: linear-gradient(135deg, #10b981, #059669);
  border-color: transparent; color: #fff; font-weight: 600;
  box-shadow: 0 2px 12px rgba(16, 185, 129, 0.3);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:disabled:hover { color: var(--text-2); border-color: var(--line); filter: none; transform: none; }
.btn.primary:disabled, .btn.green:disabled { color: #fff; }

table.tbl { width: 100%; border-collapse: collapse; font-size: 12.8px; }
.tbl th {
  text-align: left; font-weight: 600; color: var(--text-3); font-size: 11.5px;
  padding: 9px 12px; border-bottom: 1px solid var(--line);
  letter-spacing: 0.5px; white-space: nowrap;
}
.tbl td { padding: 9px 12px; border-bottom: 1px solid rgba(148, 163, 184, 0.08); color: var(--text-2); }
.tbl tbody tr { transition: background 0.12s ease; }
.tbl tbody tr:hover { background: rgba(6, 182, 212, 0.045); }
.tbl td .code, .code { color: var(--text); font-weight: 600; font-family: Consolas, monospace; font-size: 12.3px; }
.tbl td.mono, .mono { font-family: Consolas, monospace; font-size: 12px; }
.tbl .num-up { color: var(--buy); font-family: Consolas, monospace; }
.tbl .num-dn { color: var(--sell); font-family: Consolas, monospace; }
.tbl tr.me-row td { background: rgba(52, 211, 153, 0.08); color: var(--text); border-top: 1px solid rgba(52, 211, 153, 0.3); border-bottom: 1px solid rgba(52, 211, 153, 0.3); }
.tbl tr:last-child td { border-bottom: none; }

select.sel, input.inp {
  background: rgba(17, 24, 39, 0.6); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 7px 11px; font-size: 12.5px; outline: none;
}
select.sel:focus, input.inp:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15); }

.tabs { display: flex; gap: 4px; padding: 0 6px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.tab {
  padding: 11px 16px 10px; font-size: 13px; color: var(--text-3);
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: all 0.15s ease; user-select: none;
}
.tab:hover { color: var(--text-2); }
.tab.on { color: var(--text); font-weight: 600; }
.tabs[data-color="practice"] .tab.on { border-color: var(--m-practice); }
.tabs[data-color="camp"] .tab.on { border-color: var(--m-camp); }
.tabs[data-color="watching"] .tab.on { border-color: var(--m-watch); }
.tabs[data-color="factor"] .tab.on { border-color: var(--m-factor); }
.tabs[data-color="review"] .tab.on { border-color: var(--m-review); }
.tabs[data-color="colearn"] .tab.on { border-color: var(--m-tool); }
.tabs[data-color="cyan"] .tab.on { border-color: var(--brand); }

.grid { display: grid; gap: 14px; }
.kpis { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 18px; }
.kpi {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
  position: relative; overflow: hidden;
}
.kpi::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--kc, var(--brand)); }
.kpi .kv { font-size: 24px; font-weight: 700; font-family: Consolas, monospace; letter-spacing: 0.5px; }
.kpi .kl { font-size: 11.5px; color: var(--text-3); margin-top: 4px; }
.kpi .ks { font-size: 10.5px; margin-top: 3px; color: var(--kc, var(--brand)); opacity: 0.85; }

.bar-track { height: 7px; border-radius: 4px; background: rgba(148, 163, 184, 0.14); overflow: hidden; }
.bar-fill { height: 100%; border-radius: 4px; transition: width 0.4s ease; }

.foot-note {
  margin-top: 16px; padding: 10px 16px;
  font-size: 11.5px; color: var(--text-3); line-height: 1.9;
  border-left: 2px solid var(--brand); background: rgba(6, 182, 212, 0.05);
  border-radius: 0 8px 8px 0;
}
.foot-note b { color: var(--text-2); font-weight: 600; }
.foot-note code {
  font-family: Consolas, monospace; font-size: 11px; color: #67e8f9;
  background: rgba(6, 182, 212, 0.08); padding: 1px 6px; border-radius: 4px;
}

.live-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); margin-right: 7px;
  animation: pulse 1.6s ease infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(47, 158, 68, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(47, 158, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 158, 68, 0); }
}
.switch { position: relative; width: 34px; height: 18px; border-radius: 999px; background: #334155; cursor: pointer; transition: background 0.15s ease; flex: none; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: #94a3b8; transition: all 0.15s ease; }
.switch.on { background: rgba(6, 182, 212, 0.4); }
.switch.on::after { left: 18px; background: var(--brand); box-shadow: 0 0 6px rgba(6, 182, 212, 0.6); }

/* ============ front 页 · 全屏覆盖层 ============ */
.front-cover {
  position: fixed; inset: 0; z-index: 100;
  background:
    radial-gradient(900px 520px at 78% -10%, rgba(6, 182, 212, 0.14), transparent 62%),
    radial-gradient(700px 460px at -8% 108%, rgba(139, 92, 246, 0.12), transparent 60%),
    #080c18;
  overflow-y: auto;
  display: none;
  animation: coverin 0.3s ease;
}
.front-cover.show { display: flex; }
@keyframes coverin { from { opacity: 0; } to { opacity: 1; } }
.front-wrap { max-width: 1180px; margin: auto; padding: 40px 30px 50px; position: relative; z-index: 1; }
.front-close {
  position: fixed; top: 18px; right: 22px; z-index: 5;
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line); color: var(--text-2);
  background: rgba(17, 24, 39, 0.8); font-size: 16px;
  transition: all 0.15s ease;
}
.front-close:hover { color: var(--text); border-color: var(--brand); transform: rotate(90deg); }
.fc-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.fc-logo {
  width: 44px; height: 44px; border-radius: 12px; flex: none;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; box-shadow: 0 0 24px rgba(6, 182, 212, 0.45);
}
.fc-head h1 { font-size: 24px; font-weight: 800; letter-spacing: 1px; }
.fc-head .fc-sub { font-size: 12px; color: var(--text-3); margin-top: 3px; letter-spacing: 1px; }
.fc-chips { display: flex; gap: 8px; margin: 14px 0 22px; flex-wrap: wrap; }
.fc-grid { display: grid; grid-template-columns: 1.05fr 1fr 1fr; gap: 16px; }
.fc-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  box-shadow: var(--shadow); backdrop-filter: blur(10px);
  display: flex; flex-direction: column;
}
.fc-card .fc-cap {
  padding: 11px 16px; font-size: 11.5px; letter-spacing: 2px; color: var(--text-3);
  border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 7px;
}
.fc-poster-bg {
  height: 148px; position: relative;
  display: flex; align-items: center; padding: 0 20px; gap: 14px;
}
.fc-poster-bg::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(240px 120px at 88% 10%, rgba(255, 255, 255, 0.18), transparent 60%);
}
.fc-ava {
  width: 62px; height: 62px; border-radius: 50%; flex: none; z-index: 1;
  background: rgba(255, 255, 255, 0.16); border: 2px solid rgba(255, 255, 255, 0.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 800; color: #fff;
  backdrop-filter: blur(4px);
}
.fc-ava small { font-size: 22px; }
.fc-poster-bg .who { z-index: 1; color: #fff; }
.fc-poster-bg .who .nm { font-size: 19px; font-weight: 800; letter-spacing: 1px; }
.fc-poster-bg .who .rl { font-size: 11.5px; opacity: 0.85; margin-top: 3px; }
.fc-body { padding: 15px 16px 16px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.fc-body .ds { font-size: 12.3px; color: var(--text-2); line-height: 1.9; }
.fc-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.fc-tags .tg {
  font-size: 10.5px; padding: 2px 9px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--text-2); background: rgba(17, 24, 39, 0.6);
}
.fc-stu { font-size: 11px; color: var(--text-3); margin-top: auto; }
.fc-steps { padding: 4px 0; display: flex; flex-direction: column; gap: 12px; }
.fc-step { display: flex; gap: 11px; }
.fc-step .no {
  width: 26px; height: 26px; border-radius: 8px; flex: none;
  background: var(--brand-light); color: #67e8f9; border: 1px solid rgba(6, 182, 212, 0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; font-family: Consolas, monospace;
}
.fc-step .st { font-size: 12.8px; font-weight: 600; }
.fc-step .sd { font-size: 11.3px; color: var(--text-3); line-height: 1.7; margin-top: 2px; }
.fc-chart { padding: 6px 10px 2px; }
.fc-chart canvas { display: block; width: 100%; border-radius: 8px; }
.fc-cta-row { display: flex; align-items: center; gap: 14px; margin-top: 26px; }
.fc-cta {
  padding: 13px 38px; border-radius: 12px; border: none;
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  color: #fff; font-size: 15px; font-weight: 700; letter-spacing: 2px;
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.4);
  transition: all 0.15s ease;
}
.fc-cta:hover { filter: brightness(1.12); transform: translateY(-1px); }
.fc-cta-note { font-size: 11.5px; color: var(--text-3); line-height: 1.8; }
.fc-disclaimer {
  margin-top: 22px; font-size: 11px; color: var(--text-3); line-height: 1.9;
  border-top: 1px dashed var(--line); padding-top: 14px;
}

/* ============ 每日暖心话 quote bar ============ */
.quote-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 18px; border-radius: 12px; margin-bottom: 16px;
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.08));
  border: 1px solid rgba(6, 182, 212, 0.22);
}
.quote-bar .q-ico { font-size: 16px; }
.quote-bar .q-txt { font-size: 13px; color: var(--text); letter-spacing: 0.3px; }
.quote-bar .q-sub { margin-left: auto; font-size: 11px; color: var(--text-3); white-space: nowrap; }

/* ============ 首页 ============ */
.hero {
  position: relative; overflow: hidden;
  border-radius: 14px; padding: 24px 28px; margin-bottom: 16px;
  background:
    radial-gradient(420px 200px at 92% -20%, rgba(6, 182, 212, 0.16), transparent 65%),
    radial-gradient(380px 200px at -6% 120%, rgba(139, 92, 246, 0.12), transparent 60%),
    var(--panel);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.hero .hi { font-size: 20px; font-weight: 800; letter-spacing: 0.5px; }
.hero .hi .uid { color: #67e8f9; font-family: Consolas, monospace; font-size: 15px; }
.hero .sub { font-size: 12.5px; color: var(--text-2); margin-top: 8px; line-height: 1.9; }
.hero .hero-chips { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.ia-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.ia-card {
  border: 1px solid var(--mc); border-radius: 13px;
  background: var(--panel); padding: 14px 15px; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  position: relative; overflow: hidden;
}
.ia-card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px var(--mcg); }
.ia-card .ic { font-size: 22px; }
.ia-card .nm { font-size: 14.5px; font-weight: 800; color: var(--mc); margin: 6px 0 3px; letter-spacing: 0.5px; }
.ia-card .ds { font-size: 11px; color: var(--text-3); line-height: 1.75; min-height: 50px; }
.ia-card .tags { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 8px; }
.ia-card .tg {
  font-size: 10px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--text-2); background: rgba(17, 24, 39, 0.6);
}
.ia-card .from { position: absolute; top: 10px; right: 12px; font-size: 9.5px; color: var(--text-3); letter-spacing: 1px; }

/* ============ 训练营 · 海报 / 直播 / 课表 / 排行 ============ */
.poster-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.poster-card {
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  background: var(--panel); backdrop-filter: blur(8px);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.poster-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.poster-bg {
  height: 138px; position: relative;
  display: flex; align-items: center; padding: 0 20px; gap: 14px;
}
.poster-bg::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(260px 130px at 88% 8%, rgba(255, 255, 255, 0.16), transparent 60%);
}
.poster-ava {
  width: 58px; height: 58px; border-radius: 50%; flex: none; z-index: 1;
  background: rgba(255, 255, 255, 0.16); border: 2px solid rgba(255, 255, 255, 0.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 800; color: #fff;
}
.poster-who { z-index: 1; color: #fff; }
.poster-who .nm { font-size: 18px; font-weight: 800; letter-spacing: 1px; }
.poster-who .rl { font-size: 11.5px; opacity: 0.85; margin-top: 3px; }
.poster-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 9px; }
.poster-body .ds { font-size: 12px; color: var(--text-2); line-height: 1.85; }
.poster-foot { display: flex; align-items: center; gap: 8px; margin-top: auto; }
.poster-foot .stu { font-size: 11px; color: var(--text-3); margin-right: auto; }

.live-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 10px; border-radius: 999px;
  background: rgba(224, 49, 49, 0.14); border: 1px solid rgba(248, 113, 113, 0.4);
  color: #fca5a5; font-size: 11px; font-weight: 700; letter-spacing: 1px;
}
.live-badge::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: #f87171;
  animation: pulse 1.2s ease infinite;
}
.live-card {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line); border-radius: 11px;
  background: rgba(17, 24, 39, 0.55); padding: 12px 14px; margin-bottom: 10px;
}
.live-card .lc-ico {
  width: 42px; height: 42px; border-radius: 10px; flex: none;
  background: var(--m-camp-dim); border: 1px solid rgba(245, 158, 11, 0.3);
  display: flex; align-items: center; justify-content: center; font-size: 19px;
}
.live-card .lc-t { font-size: 13px; font-weight: 700; }
.live-card .lc-m { font-size: 11.3px; color: var(--text-3); margin-top: 3px; }
.live-card .btn { margin-left: auto; flex: none; }
.live-card.lc-live { border-color: rgba(248, 113, 113, 0.35); box-shadow: 0 0 18px rgba(224, 49, 49, 0.08); }

.me-card {
  border: 1px solid rgba(52, 211, 153, 0.35); border-radius: 13px;
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.08), rgba(6, 182, 212, 0.05)), var(--panel);
  padding: 16px 18px;
}
.me-card .mc-row { display: flex; align-items: baseline; gap: 10px; }
.me-card .mc-name { font-size: 16px; font-weight: 800; }
.me-card .mc-uid { font-family: Consolas, monospace; font-size: 12px; color: #67e8f9; letter-spacing: 1px; }
.me-card .mc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
.me-card .mc-cell { text-align: center; padding: 8px 4px; border-radius: 9px; background: rgba(17, 24, 39, 0.55); border: 1px solid var(--border); }
.me-card .mc-cell .v { font-size: 17px; font-weight: 700; font-family: Consolas, monospace; }
.me-card .mc-cell .l { font-size: 10px; color: var(--text-3); margin-top: 2px; }

.medal { font-size: 14px; }

/* ============ 练习库 · 题库 ============ */
.bank-hd {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.4);
}
.bank-hd .bk-name { font-size: 13.5px; font-weight: 700; }
.bank-hd .right { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.q-card {
  position: relative;
  border: 1px solid var(--line); border-radius: 12px;
  background: rgba(17, 24, 39, 0.55);
  padding: 14px 16px; margin-bottom: 12px;
}
.q-card .q-t { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.7; display: flex; gap: 8px; }
.q-card .q-t .qn { color: var(--text-3); font-family: Consolas, monospace; font-weight: 400; flex: none; }
.q-opts { display: flex; flex-direction: column; gap: 7px; margin: 10px 0 0 26px; }
.opt {
  font-size: 12.3px; color: var(--text-2);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 12px; line-height: 1.6;
  display: flex; gap: 8px;
}
.opt .ol { font-family: Consolas, monospace; color: var(--text-3); flex: none; }
.opt.correct { color: #6ee7b7; border-color: rgba(52, 211, 153, 0.45); background: rgba(52, 211, 153, 0.07); }
.q-exp {
  margin: 10px 0 0 26px; font-size: 11.5px; color: var(--text-3); line-height: 1.85;
  border-left: 2px solid rgba(52, 211, 153, 0.5); padding-left: 10px;
}
.q-exp b { color: #6ee7b7; font-weight: 600; }
.q-card.locked .q-body { filter: blur(5px); opacity: 0.5; pointer-events: none; user-select: none; }
.q-lockovl {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px;
  background: rgba(11, 17, 32, 0.45); border-radius: 12px;
}
.q-lockovl .lk { font-size: 20px; }
.q-lockovl .lt { font-size: 12px; color: var(--text-2); }

/* ============ 沙盘 · 超级复盘 ============ */
.sandbox-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 11px; border-radius: 999px;
  background: rgba(251, 146, 60, 0.12); border: 1px solid rgba(251, 146, 60, 0.4);
  color: #fdba74; font-size: 11px; font-weight: 700; letter-spacing: 2px;
}
.replay-bar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.4);
}
.replay-bar .spacer { flex: 1; }
.kline-box { position: relative; }
.kline-box canvas { display: block; width: 100%; border-radius: 0; }
.kline-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-2); padding: 10px 14px; flex-wrap: wrap; border-top: 1px solid var(--border); }
.kline-meta b { font-family: Consolas, monospace; }
.ma-dot { display: inline-block; width: 14px; height: 3px; border-radius: 2px; vertical-align: 3px; margin-right: 5px; }
.watch-layout { display: grid; grid-template-columns: 1fr 340px; gap: 14px; align-items: start; }
.rule-card {
  border: 1px solid var(--border); border-radius: 11px;
  background: rgba(17, 24, 39, 0.55); padding: 12px 14px; margin-bottom: 10px;
}
.rule-card .rc-hd { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.rule-card .rc-hd .nm { font-weight: 700; font-size: 13px; }
.rule-card .rc-hd .sw2 { margin-left: auto; }
.rule-card .rc-desc { font-size: 11.5px; color: var(--text-2); line-height: 1.8; }
.rule-card .rc-desc code { font-family: Consolas, monospace; font-size: 10.8px; color: #fdba74; }
.wl-item {
  border: 1px solid var(--border); border-radius: 10px;
  background: rgba(17, 24, 39, 0.5); padding: 9px 11px; margin-bottom: 8px;
}
.wl-item .wl-top { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.wl-item .wl-top .nm { color: var(--text); font-weight: 600; }
.wl-item .wl-top .prog { margin-left: auto; display: flex; align-items: center; gap: 7px; font-family: Consolas, monospace; font-size: 11px; color: var(--text-2); }
.wl-item .prog .bar-track { width: 58px; }
.wl-item .wl-btm { display: flex; align-items: center; gap: 8px; margin-top: 6px; font-size: 11px; color: var(--text-3); }
.wl-item .wl-btm .btn { margin-left: auto; }

/* ============ 因子结构 · 知识点 / 沙盘案例 ============ */
.tree-layout { display: grid; grid-template-columns: 250px 1fr; gap: 16px; align-items: start; }
.ftree { font-size: 12.5px; user-select: none; position: sticky; top: 0; }
.ftree-node {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 10px; border-radius: 8px; cursor: pointer;
  color: var(--text-2); transition: background 0.12s ease, color 0.12s ease;
}
.ftree-node:hover { background: rgba(148, 163, 184, 0.08); color: var(--text); }
.ftree-node.on { background: rgba(45, 212, 191, 0.13); color: var(--text); font-weight: 600; }
.ftree-node .cnt { margin-left: auto; font-family: Consolas, monospace; font-size: 10.5px; color: var(--text-3); }
.ftree-root { border-bottom: 1px solid var(--line); border-radius: 8px 8px 0 0; margin-bottom: 4px; }
.ftree-sys { padding-left: 14px; font-weight: 600; }
.crumb-bar { display: flex; gap: 8px; align-items: center; font-size: 12.5px; color: var(--text-3); margin-bottom: 12px; flex-wrap: wrap; }
.crumb-bar b { color: var(--text); font-weight: 700; }
.know-card {
  border: 1px solid var(--border); border-radius: 12px;
  background: rgba(17, 24, 39, 0.55); padding: 13px 15px; margin-bottom: 10px;
}
.know-card .kn-hd { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
.know-card .kn-hd .nm { font-weight: 700; font-size: 13.5px; }
.know-card .kn-hd .right { margin-left: auto; display: flex; gap: 6px; }
.know-card .kn-body { font-size: 12px; color: var(--text-2); line-height: 1.85; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.case-card {
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  background: rgba(17, 24, 39, 0.6);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.case-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3); }
.case-card .cc-hd { padding: 10px 13px 8px; display: flex; align-items: center; gap: 8px; }
.case-card .cc-hd .nm { font-size: 12.5px; font-weight: 700; }
.case-card .cc-hd .right { margin-left: auto; }
.case-card canvas { display: block; width: 100%; }
.case-card .cc-ft { padding: 9px 13px 11px; font-size: 11px; color: var(--text-3); line-height: 1.7; display: flex; align-items: center; gap: 7px; }
.case-card .cc-ft .ret { margin-left: auto; font-family: Consolas, monospace; font-weight: 700; font-size: 12px; }

/* ============ 量化复盘 · 行情卡 / 评 / 风险 ============ */
.mkt-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 14px; }
.mkt-card {
  border: 1px solid var(--border); border-radius: 12px;
  background: rgba(17, 24, 39, 0.55); padding: 12px 15px;
}
.mkt-card .mk-n { font-size: 11.5px; color: var(--text-3); }
.mkt-card .mk-v { font-size: 19px; font-weight: 700; font-family: Consolas, monospace; margin-top: 4px; }
.mkt-card .mk-c { font-size: 11.5px; font-family: Consolas, monospace; margin-top: 2px; }
.up-c { color: var(--buy); } .dn-c { color: var(--sell); }
.news-item {
  display: flex; gap: 10px; align-items: baseline;
  padding: 8px 2px; border-bottom: 1px dashed rgba(148, 163, 184, 0.12);
  font-size: 12.3px; color: var(--text-2); line-height: 1.7;
}
.news-item:last-child { border-bottom: none; }
.news-item .nt { font-family: Consolas, monospace; font-size: 11px; color: var(--text-3); flex: none; }
.mt-tabs { display: flex; gap: 6px; }
.mt {
  font-size: 11.5px; padding: 4px 13px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--text-3); cursor: pointer; user-select: none;
  transition: all 0.15s ease;
}
.mt:hover { color: var(--text-2); }
.mt.on { color: #fde047; border-color: rgba(250, 204, 21, 0.4); background: rgba(250, 204, 21, 0.08); }
.rv-card {
  border: 1px solid var(--line); border-radius: 11px;
  background: rgba(17, 24, 39, 0.55); padding: 13px 15px; margin-bottom: 10px;
}
.rv-card .rv-hd { display: flex; align-items: center; gap: 9px; margin-bottom: 6px; flex-wrap: wrap; }
.rv-card .rv-hd .t { font-size: 13px; font-weight: 700; }
.rv-card .rv-hd .dt { font-size: 11px; color: var(--text-3); font-family: Consolas, monospace; }
.rv-card .rv-body { font-size: 12px; color: var(--text-2); line-height: 1.9; }
.risk-banner {
  display: flex; gap: 10px; align-items: baseline;
  border: 1px solid var(--line); border-left-width: 3px; border-radius: 10px;
  background: rgba(17, 24, 39, 0.5); padding: 10px 14px; margin-bottom: 9px;
  font-size: 12.3px; color: var(--text-2); line-height: 1.7;
}
.risk-banner.rb-high { border-left-color: #f87171; }
.risk-banner.rb-mid { border-left-color: #facc15; }
.risk-banner.rb-low { border-left-color: #34d399; }

/* ============ 共学工具 ============ */
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.tool-card { border: 1px solid var(--line); border-radius: 13px; background: var(--panel); padding: 16px 18px; }
.tool-card .tc-hd { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.tool-card .tc-hd .ic { font-size: 22px; }
.tool-card .tc-hd .nm { font-size: 14.5px; font-weight: 700; }
.tool-card .tc-hd .st { margin-left: auto; }
.tool-card .tc-desc { font-size: 12px; color: var(--text-2); line-height: 1.8; margin-bottom: 10px; }
.tool-card .tc-api { font-family: Consolas, monospace; font-size: 10.8px; color: #67e8f9; background: rgba(6, 182, 212, 0.07); border-radius: 6px; padding: 4px 9px; display: inline-block; }

/* ============ 架构页 · 树 ============ */
.tree {
  font-family: Consolas, "Courier New", monospace; font-size: 12.3px;
  line-height: 2.05; color: var(--text-2); overflow-x: auto;
  padding: 14px 18px; white-space: pre-wrap;
}
.tree .d { color: #67e8f9; font-weight: 600; }
.tree .cmt { color: var(--text-3); }
.tree .add { color: #6ee7b7; font-weight: 600; }

/* ============ 响应式 ============ */
@media (max-width: 1180px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .fc-grid { grid-template-columns: 1fr; }
  .ia-grid { grid-template-columns: repeat(2, 1fr); }
  .poster-grid { grid-template-columns: 1fr; }
  .watch-layout { grid-template-columns: 1fr; }
  .tree-layout { grid-template-columns: 1fr; }
  .ftree { position: static; }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .tool-grid { grid-template-columns: 1fr 1fr; }
  .mkt-grid { grid-template-columns: 1fr 1fr; }
  .me-card .mc-grid { grid-template-columns: 1fr 1fr; }
}