:root {
  --ink: #2a1814;
  --muted: #7a5a52;
  --paper: #f7f0ec;
  --panel: rgba(255, 250, 247, 0.92);
  --line: rgba(140, 48, 36, 0.14);
  --red: #c0392b;
  --red-deep: #8b1e14;
  --red-soft: #e85a45;
  --rose: #f3d3cb;
  --up: #c0392b;      /* 中国股市：涨/盈利用红 */
  --down: #1f7a45;    /* 中国股市：跌/亏损用绿 */
  --good: #1f7a45;
  --bad: #c0392b;
  --shadow: 0 18px 50px rgba(139, 30, 20, 0.1);
  --radius: 18px;
  --font: "DM Sans", sans-serif;
  --display: "Instrument Serif", Georgia, serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 75% 45% at 8% -8%, rgba(192, 57, 43, 0.22), transparent 55%),
    radial-gradient(ellipse 55% 35% at 92% 4%, rgba(232, 90, 69, 0.16), transparent 50%),
    linear-gradient(180deg, #f3e4de 0%, #f7f0ec 42%, #efe6e1 100%);
}

.top {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 0.5rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  gap: 0.9rem;
  align-items: center;
}

.mark {
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff8f5;
  background: linear-gradient(145deg, var(--red-soft), var(--red-deep));
  box-shadow: 0 10px 24px rgba(192, 57, 43, 0.32);
}

.brand h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
}

.tag {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.btn,
.pager-btn {
  border: 0;
  border-radius: 999px;
  padding: 0.65rem 1.15rem;
  background: var(--red-deep);
  color: #fff8f5;
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.btn:hover,
.pager-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  background: var(--red);
}

.btn:disabled,
.pager-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

a.btn,
a.ghost-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

a.ghost-link {
  border: 1px solid rgba(139, 30, 20, 0.28);
  background: transparent;
  color: var(--red-deep);
}

a.ghost-link:hover {
  background: rgba(192, 57, 43, 0.08);
}

.btn.ghost {
  border: 1px solid rgba(139, 30, 20, 0.28);
  background: transparent;
  color: var(--red-deep);
}

.btn.ghost:hover {
  background: rgba(192, 57, 43, 0.08);
}

.pager-btn.ghost {
  background: transparent;
  color: var(--red-deep);
  border: 1px solid rgba(139, 30, 20, 0.28);
}

.pager-btn.ghost.active {
  background: var(--red);
  color: #fff8f5;
  border-color: transparent;
}

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
}

.hero-stats-6 {
  grid-template-columns: repeat(3, 1fr);
}

.strategy-overview {
  padding: 0.35rem 0;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--red);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 400;
}

.window {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.strategy-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.strategy-card {
  appearance: none;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem 1.05rem;
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

a.strategy-card:hover,
.strategy-card:hover,
.strategy-card.active {
  transform: translateY(-2px);
  border-color: rgba(192, 57, 43, 0.55);
  box-shadow: 0 16px 32px rgba(139, 30, 20, 0.14);
}

.home-card {
  cursor: default;
}

.home-card:hover {
  transform: none;
  border-color: var(--line);
  box-shadow: var(--shadow);
}

.range-host {
  margin: 0;
}

.range-picker {
  margin-top: 1.05rem;
  padding: 0.95rem 1rem 1rem;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 252, 250, 0.96), rgba(248, 232, 226, 0.7));
  border: 1px solid rgba(140, 48, 36, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.range-picker-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
}

.range-kicker {
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.range-applied {
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 650;
  text-align: right;
}

.range-hint {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.range-picker.is-applied {
  border-color: rgba(192, 57, 43, 0.45);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
}

.hero-stats.is-updated .stat {
  animation: pulse-update 0.8s ease;
}

@keyframes pulse-update {
  0% { background: rgba(192, 57, 43, 0.14); }
  100% { background: transparent; }
}

.range-fields {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.55rem;
  align-items: stretch;
}

.range-field {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  min-width: 0;
  padding: 0.5rem 0.75rem 0.45rem;
  border-radius: 12px;
  background: #fffaf7;
  border: 1px solid rgba(139, 30, 20, 0.16);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.range-field span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.range-field input[type="date"] {
  width: 100%;
  min-width: 0;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  outline: none;
  color-scheme: light;
}

.range-field input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.7;
}

.range-field:focus-within {
  border-color: rgba(192, 57, 43, 0.55);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}

.range-dash {
  width: 14px;
  height: 2px;
  margin-top: 1.55rem;
  background: rgba(140, 48, 36, 0.28);
  border-radius: 99px;
  align-self: start;
}

.range-presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.range-presets button {
  border: 1px solid rgba(139, 30, 20, 0.16);
  background: #fff;
  color: var(--red-deep);
  border-radius: 999px;
  padding: 0.38rem 0.78rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 650;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.range-presets button:hover {
  background: rgba(192, 57, 43, 0.08);
}

.range-presets .range-apply {
  margin-left: auto;
  background: var(--red-deep);
  color: #fff8f5;
  border-color: transparent;
  padding: 0.42rem 1.05rem;
}

.range-presets .range-apply:hover {
  background: var(--red);
  transform: translateY(-1px);
}

.home-main {
  max-width: 1100px;
}

.home-card {
  min-height: 100%;
}

.card-desc {
  margin: 0.85rem 0 0;
  color: var(--ink);
  line-height: 1.55;
  font-size: 0.95rem;
}

.card-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem 0.85rem;
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.card-facts div {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  min-width: 0;
}

.card-facts .span-2 {
  grid-column: 1 / -1;
}

.card-facts span {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.card-facts b {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.strategy-card.active {
  background: linear-gradient(145deg, #fff9f6, #f8e5df);
}

.card-kicker,
.card-value,
.card-action {
  display: block;
}

.card-kicker {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.card-body > strong {
  display: block;
  margin: 0.3rem 0 0.1rem;
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-variant-numeric: tabular-nums;
}

.card-value {
  color: var(--muted);
  font-size: 0.9rem;
}

.card-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}

.card-metrics span {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.card-metrics b {
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 650;
}

.card-action {
  margin-top: 0.95rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--red-deep);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}

a.card-action:hover {
  color: var(--red);
}

.range-host .range-picker {
  margin-top: 0;
}

.stat {
  background: var(--panel);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow);
  animation: rise 0.55s ease both;
}

.stat:nth-child(2) { animation-delay: 0.05s; }
.stat:nth-child(3) { animation-delay: 0.1s; }
.stat:nth-child(4) { animation-delay: 0.15s; }

.stat.primary {
  background: linear-gradient(160deg, rgba(232, 90, 69, 0.98), rgba(139, 30, 20, 0.98));
  color: #fff8f5;
  border-color: transparent;
}

.stat.primary .label,
.stat.primary .sub { color: rgba(255, 248, 245, 0.78); }

.label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.stat strong {
  display: block;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.sub {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.88rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.pos { color: var(--up); }
.neg { color: var(--down); }
.stat.primary .pos { color: #ffd7cf; }
.stat.primary .neg { color: #b7efcb; }

.panel {
  background: var(--panel);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem 1.25rem;
  box-shadow: var(--shadow);
  animation: rise 0.6s ease 0.12s both;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}

.panel-head.tight { margin-top: 1.4rem; }

.panel-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 400;
}

.panel-head p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.layout-top {
  display: grid;
  grid-template-columns: 1.7fr 0.85fr;
  gap: 1.25rem;
  align-items: start;
}

.chart-wrap {
  position: relative;
  height: 240px;
}

.trades-panel {
  padding: 1.35rem 1.4rem 1.5rem;
}

.trades-head {
  align-items: flex-end;
  margin-bottom: 1.1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.trades-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.15rem);
}

.trades-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.65rem;
}

.view-toggle {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  background: rgba(139, 30, 20, 0.08);
  border: 1px solid rgba(139, 30, 20, 0.16);
}

.toggle-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 650;
  padding: 0.42rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.toggle-btn:hover {
  color: var(--red-deep);
}

.toggle-btn.active {
  background: var(--red);
  color: #fff8f5;
  box-shadow: 0 4px 12px rgba(192, 57, 43, 0.28);
}

.trades-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 420px;
}

.trades-list.simple {
  gap: 0.45rem;
  min-height: 360px;
}

.trade-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #fffdfa 0%, #fff6f2 100%);
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.trade-card:hover {
  border-color: rgba(192, 57, 43, 0.35);
  box-shadow: 0 10px 28px rgba(139, 30, 20, 0.08);
}

.trade-card.buy { border-left: 4px solid var(--good); }
.trade-card.sell { border-left: 4px solid var(--red); }

.trade-card.compact {
  display: grid;
  grid-template-columns: minmax(9rem, 11rem) minmax(8rem, 1fr) repeat(4, minmax(5.5rem, 1fr));
  align-items: center;
  gap: 0.55rem 0.85rem;
  padding: 0.72rem 1rem;
  border-left-width: 3px;
}

.trade-card.compact .trade-card-top,
.trade-card.compact .trade-grid,
.trade-card.compact .trade-foot {
  display: contents;
}

.trade-card.compact .trade-title {
  gap: 0.4rem;
}

.trade-card.compact .trade-title h3 {
  font-size: 0.95rem;
}

.trade-card.compact .trade-id {
  font-size: 0.8rem;
}

.trade-card.compact .kv span {
  font-size: 0.68rem;
  margin-bottom: 0.08rem;
}

.trade-card.compact .kv strong {
  font-size: 0.9rem;
}

.trade-card.compact .note-inline {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.82rem;
  padding-top: 0.15rem;
  border-top: 1px dashed var(--line);
}

@media (max-width: 960px) {
  .trade-card.compact {
    grid-template-columns: 1fr 1fr;
  }
  .trade-card.compact .note-inline {
    grid-column: 1 / -1;
  }
}

.trade-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 1.1rem 0.55rem;
  flex-wrap: wrap;
}

.trade-id {
  font-size: 0.78rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.trade-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.trade-title h3 {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
}

.trade-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.badge {
  display: inline-block;
  min-width: 2.8rem;
  text-align: center;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
}

.badge.buy {
  background: rgba(31, 122, 69, 0.12);
  color: var(--good);
}

.badge.sell {
  background: rgba(192, 57, 43, 0.12);
  color: var(--red);
}

.sleeve-pill {
  display: inline-block;
  padding: 0.18rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--rose);
  color: var(--red-deep);
}

.trade-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem 0.85rem;
  padding: 0.35rem 1.1rem 1rem;
}

.kv {
  min-width: 0;
}

.kv span {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.18rem;
}

.kv strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.trade-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  padding: 0.7rem 1.1rem;
  background: rgba(192, 57, 43, 0.05);
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--ink);
}

.trade-foot em {
  font-style: normal;
  color: var(--muted);
}

.empty-card {
  color: var(--muted);
  text-align: center;
  padding: 3rem 1rem;
  border: 1px dashed var(--line);
  border-radius: 14px;
}

.pager,
.pager-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.pager {
  margin-top: 1.15rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.pager-info {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0 0.4rem;
  font-variant-numeric: tabular-nums;
}

.rules {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink);
  line-height: 1.55;
}

.rules li { margin-bottom: 0.55rem; }

.log-hint {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.log-links {
  margin: 0;
  padding-left: 1.1rem;
  line-height: 1.7;
}

.log-links a { color: var(--red-deep); font-weight: 600; }
.log-links code {
  font-size: 0.85em;
  background: rgba(139, 30, 20, 0.07);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.err {
  margin-top: 1rem;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: rgba(192, 57, 43, 0.1);
  color: var(--bad);
  font-size: 0.9rem;
}

footer {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 960px) {
  .hero-stats,
  .hero-stats-6 { grid-template-columns: 1fr 1fr; }
  .layout-top { grid-template-columns: 1fr; }
  .trade-grid { grid-template-columns: repeat(2, 1fr); }
  .chart-wrap { height: 220px; }
  .trades-controls { align-items: stretch; width: 100%; }
  .pager-top { justify-content: flex-start; }
  .strategy-cards { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero-stats,
  .hero-stats-6 { grid-template-columns: 1fr; }
  .trade-grid { grid-template-columns: 1fr; }
  .range-fields { grid-template-columns: 1fr; }
  .range-dash { display: none; }
  .range-presets .range-apply { margin-left: 0; width: 100%; }
}