/* ── HSB Terminal — OKX Dark Trade palette ─────────────────── */
:root {
  --okx-bg-root:      #000000;
  --okx-bg-panel:     #0b0e11;
  --okx-bg-card:      #12161c;
  --okx-bg-hover:     #1a1f26;
  --okx-border:       #1f242c;
  --okx-border-focus: #2f3642;
  --okx-text-bright:  #ffffff;
  --okx-text-main:    #eaecef;
  --okx-text-muted:   #848e9c;
  --okx-text-subtle:  #5e6673;
  --okx-green:        #00b07c;
  --okx-green-hover:  #00c98d;
  --okx-green-bg:     rgba(0, 176, 124, 0.12);
  --okx-red:          #f6465d;
  --okx-red-hover:    #ff5c73;
  --okx-red-bg:       rgba(246, 70, 93, 0.12);
  --okx-vbar:         rgba(132, 142, 156, 0.14);
}

.page-hsb { max-width: 1200px; }

.hsb-dummy {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(0, 176, 124, 0.07);
  border: 1px solid rgba(0, 176, 124, 0.4);
  border-radius: 6px;
  padding: 10px 18px;
  margin-bottom: 18px;
  box-shadow: 0 0 18px rgba(0, 176, 124, 0.15), inset 0 0 12px rgba(0, 176, 124, 0.08);
  letter-spacing: .14em; text-transform: uppercase;
}
.hsb-dummy-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--okx-green);
  animation: hsb-pulse 2s ease-in-out infinite;
  flex: none;
}
.hsb-dummy-text {
  font-size: 13px; font-weight: 600; color: var(--okx-green);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", monospace;
}

/* Ticker strip */
.hsb-ticker {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  background: var(--okx-bg-panel);
  border: 1px solid var(--okx-border); border-radius: 4px;
  padding: 12px 16px; margin-bottom: 14px;
}
.hsb-pair { display: flex; align-items: baseline; gap: 4px; white-space: nowrap; }
.hsb-pair-base { font-size: 20px; font-weight: 600; color: var(--okx-text-bright); }
.hsb-pair-quote { font-size: 13px; color: var(--okx-text-muted); }
.hsb-sim-badge {
  margin-left: 8px; font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--okx-green); background: var(--okx-green-bg);
  border: 1px solid rgba(0,176,124,.35); border-radius: 3px; padding: 1px 6px;
  position: relative;
}
.hsb-sim-badge.live {
  color: #fff; background: var(--okx-green);
}
.hsb-sim-badge.live::after {
  background: #fff;
  animation: hsb-pulse-live 1s ease-in-out infinite;
}
@keyframes hsb-pulse-live {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255,255,255,.5); }
  50% { opacity: .6; box-shadow: 0 0 0 4px rgba(255,255,255,0); }
}
.hsb-sim-badge::after {
  content: ''; position: absolute; top: -2px; right: -2px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--okx-green);
  animation: hsb-pulse 2s ease-in-out infinite;
}
@keyframes hsb-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,176,124,.5); }
  50% { opacity: .6; box-shadow: 0 0 0 4px rgba(0,176,124,0); }
}
.hsb-price { display: flex; align-items: baseline; gap: 10px; white-space: nowrap; }
.hsb-last {
  font-size: 26px; font-weight: 600; color: var(--okx-text-bright);
  font-variant-numeric: tabular-nums; font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", monospace;
  transition: color .15s ease;
}
.hsb-last.up { color: var(--okx-green); }
.hsb-last.down { color: var(--okx-red); }
.hsb-chg { font-size: 12px; font-weight: 500; font-variant-numeric: tabular-nums; }
.hsb-chg.up { color: var(--okx-green); }
.hsb-chg.down { color: var(--okx-red); }

.hsb-ticker-metrics { display: flex; gap: 18px; flex-wrap: wrap; margin-left: auto; }
.hsb-m { display: flex; flex-direction: column; gap: 1px; min-width: 78px; }
.hsb-m span { font-size: 10px; color: var(--okx-text-subtle); text-transform: uppercase; letter-spacing: .06em; }
.hsb-m b { font-size: 12px; color: var(--okx-text-main); font-weight: 500; font-variant-numeric: tabular-nums; }

/* Terminal grid */
.hsb-terminal {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px 300px;
  gap: 1px;
  background: var(--okx-border);
  border: 1px solid var(--okx-border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 14px;
}
.hsb-panel { background: var(--okx-bg-panel); min-width: 0; }

.hsb-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--okx-border);
  padding: 0 10px; min-height: 38px; gap: 8px;
}
.hsb-tabs { display: flex; align-items: center; gap: 2px; }
.hsb-tabs button {
  background: none; border: none; cursor: pointer;
  color: var(--okx-text-muted); font-size: 12px; padding: 8px 8px;
  border-bottom: 2px solid transparent;
  font-family: inherit;
}
.hsb-tabs button:hover { color: var(--okx-text-main); }
.hsb-tabs button.active { color: var(--okx-text-bright); border-bottom-color: var(--okx-green); }

.hsb-tf-row { display: flex; gap: 2px; }
.hsb-tf {
  background: none; border: none; cursor: pointer;
  color: var(--okx-text-subtle); font-size: 11px; padding: 4px 7px;
  border-radius: 2px; font-family: inherit;
}
.hsb-tf:hover { color: var(--okx-text-main); }
.hsb-tf.active { color: var(--okx-text-bright); background: var(--okx-bg-hover); }

/* Chart */
.hsb-chart { position: relative; height: 460px; }
.hsb-cchart { width: 100%; height: 100%; display: block; }
.hsb-grid { stroke: rgba(132,142,156,.08); stroke-width: 1; }
.hsb-price-line { stroke: var(--okx-green); stroke-width: 1; stroke-dasharray: 4 3; opacity: .8; }
.hsb-price-tag {
  font-size: 11px; fill: var(--okx-green); font-family: Inter, monospace;
  font-variant-numeric: tabular-nums;
}
.hsb-chart-info {
  height: 460px; display: flex; flex-direction: column; justify-content: center;
  align-items: center; gap: 10px; padding: 20px; text-align: center;
  color: var(--okx-text-muted); font-size: 12px; line-height: 1.7;
}
.hsb-legend { display: inline-flex; align-items: center; gap: 8px; color: var(--okx-text-bright); }
.hsb-legend i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.hsb-legend i.up { background: var(--okx-green); }

/* Order book */
.hsb-book-head {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  font-size: 10px; color: var(--okx-text-subtle); text-transform: uppercase; letter-spacing: .04em;
  padding: 5px 10px; border-bottom: 1px solid var(--okx-border);
}
.hsb-book-head span:last-child { text-align: right; }
.hsb-book-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  font-size: 11px; line-height: 18px; font-variant-numeric: tabular-nums;
  padding: 0 10px; position: relative;
}
.hsb-book-price { color: var(--okx-text-main); }
.hsb-book-amt, .hsb-book-total { text-align: right; color: var(--okx-text-muted); }
.hsb-book-row.ask .hsb-book-price { color: var(--okx-red); }
.hsb-book-row.bid .hsb-book-price { color: var(--okx-green); }
.hsb-book-stack {
  position: absolute; top: 0; bottom: 0; left: auto; right: 0;
  pointer-events: none;
}
.hsb-book-row.ask .hsb-book-stack { background: var(--okx-red-bg); }
.hsb-book-row.bid .hsb-book-stack { background: var(--okx-green-bg); }
.hsb-book-row:hover { background: var(--okx-bg-card); }

.hsb-mid {
  display: flex; align-items: baseline; gap: 8px;
  padding: 7px 10px; border-top: 1px solid var(--okx-border); border-bottom: 1px solid var(--okx-border);
  background: var(--okx-bg-card);
}
.hsb-mid-price {
  font-size: 18px; font-weight: 600; color: var(--okx-text-bright);
  font-variant-numeric: tabular-nums;
}
.hsb-mid-price.up { color: var(--okx-green); }
.hsb-mid-price.down { color: var(--okx-red); }
.hsb-mid-arrow { font-size: 13px; }
.hsb-mid-arrow.up { color: var(--okx-green); }
.hsb-mid-arrow.down { color: var(--okx-red); }
.hsb-mid-fiat { font-size: 11px; color: var(--okx-text-subtle); font-variant-numeric: tabular-nums; }

.hsb-depth {
  position: relative; height: 20px; font-size: 10px; line-height: 20px;
  display: flex; color: var(--okx-text-subtle);
}
.hsb-depth-b { background: var(--okx-green-bg); color: var(--okx-green); padding-left: 10px; white-space: nowrap; }
.hsb-depth-s { flex: 1; background: var(--okx-red-bg); color: var(--okx-red); text-align: right; padding-right: 10px; white-space: nowrap; }

/* Recent trades */
.hsb-recent-trades { max-height: 300px; overflow: hidden; }
.hsb-trade-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  font-size: 11px; line-height: 18px; padding: 0 10px; font-variant-numeric: tabular-nums;
}
.hsb-trade-row span:nth-child(n+2) { text-align: right; color: var(--okx-text-muted); }
.hsb-trade-row .buy { color: var(--okx-green); }
.hsb-trade-row .sell { color: var(--okx-red); }

/* Trade panel */
.hsb-bs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px 10px 4px; }
.hsb-bs-btn {
  border: none; cursor: pointer; padding: 7px 0; border-radius: 3px;
  font-size: 13px; font-weight: 600; font-family: inherit;
  color: var(--okx-text-muted); background: var(--okx-bg-card);
}
.hsb-bs-btn.hsb-buy.active { color: #fff; background: var(--okx-green); }
.hsb-bs-btn.hsb-sell.active { color: #fff; background: var(--okx-red); }
.hsb-bs-btn:hover { color: var(--okx-text-main); }

.hsb-otype { display: flex; gap: 2px; padding: 6px 10px; align-items: center; }
.hsb-otype button {
  background: none; border: none; cursor: pointer;
  color: var(--okx-text-muted); font-size: 12px; padding: 4px 8px; border-radius: 2px; font-family: inherit;
}
.hsb-otype button.active { color: var(--okx-text-bright); background: var(--okx-bg-hover); }
.hsb-otp { margin-left: auto; display: flex; align-items: center; gap: 4px; color: var(--okx-text-muted); font-size: 11px; }
.hsb-otp input { accent-color: var(--okx-green); }

.hsb-field { padding: 4px 10px; }
.hsb-field label { display: block; font-size: 11px; color: var(--okx-text-subtle); margin-bottom: 3px; }
.hsb-input { display: flex; align-items: center; gap: 6px; }
.hsb-input input {
  flex: 1; min-width: 0; background: var(--okx-bg-card);
  border: 1px solid var(--okx-border); border-radius: 3px;
  color: var(--okx-text-bright); font-size: 13px; padding: 6px 8px;
  font-variant-numeric: tabular-nums; font-family: inherit; outline: none;
}
.hsb-input input:focus { border-color: var(--okx-border-focus); }
.hsb-bbo {
  background: var(--okx-bg-hover); border: 1px solid var(--okx-border); border-radius: 3px;
  color: var(--okx-text-muted); font-size: 10px; padding: 4px 8px; cursor: pointer; font-family: inherit;
}
.hsb-bbo:hover { color: var(--okx-text-main); }
.hsb-min-hint { font-size: 10px; color: var(--okx-text-subtle); white-space: nowrap; }

.hsb-slider { padding: 8px 10px 4px; }
.hsb-slider input[type=range] { width: 100%; accent-color: var(--okx-green); cursor: pointer; }
.hsb-slider-qt { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin-top: 6px; }
.hsb-slider-qt button {
  background: var(--okx-bg-card); border: 1px solid var(--okx-border); border-radius: 3px;
  color: var(--okx-text-muted); font-size: 11px; padding: 4px 0; cursor: pointer; font-family: inherit;
}
.hsb-slider-qt button.active { color: var(--okx-green); border-color: rgba(0,176,124,.5); }
.hsb-slider-qt button:hover { color: var(--okx-text-main); }

.hsb-bal-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; padding: 3px 10px; color: var(--okx-text-muted);
}
.hsb-bal-row b { color: var(--okx-text-main); font-weight: 500; font-variant-numeric: tabular-nums; }

.hsb-act {
  margin: 8px 10px 2px; width: calc(100% - 20px);
  border: none; border-radius: 3px; cursor: pointer;
  padding: 9px 0; font-size: 14px; font-weight: 600; color: #fff; font-family: inherit;
}
.hsb-act-buy { background: var(--okx-green); }
.hsb-act-buy:hover { background: var(--okx-green-hover); }
.hsb-act-sell { background: var(--okx-red); }
.hsb-act-sell:hover { background: var(--okx-red-hover); }

.hsb-spot { margin: 10px; border: 1px solid var(--okx-border); border-radius: 3px; overflow: hidden; }
.hsb-spot-head {
  font-size: 12px; color: var(--okx-text-bright); font-weight: 500;
  padding: 8px 10px; background: var(--okx-bg-card); border-bottom: 1px solid var(--okx-border);
}
.hsb-spot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--okx-border); }
.hsb-spot-grid > div { background: var(--okx-bg-panel); padding: 7px 10px; }
.hsb-spot-grid span { display: block; font-size: 10px; color: var(--okx-text-subtle); }
.hsb-spot-grid b { font-size: 12px; color: var(--okx-text-main); font-weight: 500; font-variant-numeric: tabular-nums; }

/* Orders panel */
.hsb-orders-panel { margin-bottom: 14px; }
.hsb-orders-head { padding-right: 10px; }
.hsb-cancel-all {
  background: none; border: 1px solid var(--okx-border); border-radius: 3px; cursor: pointer;
  color: var(--okx-text-muted); font-size: 11px; padding: 4px 10px; font-family: inherit;
}
.hsb-cancel-all:hover { color: var(--okx-red); border-color: var(--okx-red); }
.hsb-tbl-wrap { overflow-x: auto; }
.hsb-tbl { width: 100%; border-collapse: collapse; min-width: 980px; }
.hsb-tbl th {
  text-align: left; font-size: 10px; font-weight: 400; text-transform: uppercase; letter-spacing: .04em;
  color: var(--okx-text-subtle); padding: 7px 10px; border-bottom: 1px solid var(--okx-border);
  white-space: nowrap;
}
.hsb-tbl td {
  font-size: 11px; padding: 7px 10px; border-bottom: 1px solid var(--okx-border);
  color: var(--okx-text-main); font-variant-numeric: tabular-nums; white-space: nowrap;
}
.hsb-tbl tbody tr:hover { background: var(--okx-bg-card); }
.hsb-cell-dim { color: var(--okx-text-muted) !important; }
.hsb-cell-side { font-weight: 600; }
.hsb-cell-side.sell { color: var(--okx-red); }
.hsb-cell-side.buy { color: var(--okx-green); }
.hsb-cell-status { color: var(--okx-text-muted); }
.hsb-add-tp { color: var(--okx-green); cursor: pointer; }
.hsb-cell-actions { display: flex; gap: 4px; }
.hsb-tbl-btn {
  background: var(--okx-bg-hover); border: 1px solid var(--okx-border); border-radius: 3px; cursor: pointer;
  color: var(--okx-text-muted); font-size: 10px; padding: 3px 8px; font-family: inherit;
}
.hsb-tbl-btn:hover { color: var(--okx-text-bright); border-color: var(--okx-border-focus); }
.hsb-tbl-empty { padding: 30px 20px; text-align: center; color: var(--okx-text-subtle); font-size: 12px; }

/* Story & CTA */
.hsb-story { display: flex; flex-direction: column; gap: 14px; }

.hsb-block {
  border: 0.5px solid rgba(102,217,255,.14);
  border-radius: 12px;
  background: rgba(10,10,15,.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0,0,0,.35), inset 0 0 46px rgba(102,217,255,.03);
  padding: 28px 24px;
}
.hsb-block .sec-title { margin-bottom: 14px; }
.hsb-sub-label {
  display: block; margin-bottom: 8px;
  font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted2);
}

/* What it is */
.hsb-what-lead { font-size: 15px; line-height: 1.7; color: var(--text); max-width: 780px; }
.hsb-why-box {
  margin: 20px 0; padding: 14px 16px; border-radius: 10px;
  background: rgba(201,168,106,.06); border: 1px solid rgba(201,168,106,.22);
}
.hsb-why-box .hsb-sub-label { color: var(--accent); }
.hsb-why-text { font-size: 14px; line-height: 1.65; color: var(--accent); }
.hsb-adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.hsb-adv {
  display: flex; align-items: center; gap: 9px; padding: 11px 13px; border-radius: 9px;
  background: rgba(102,217,255,.05); border: 1px solid rgba(102,217,255,.16);
  font-size: 12px; line-height: 1.45; color: var(--text);
}
.hsb-adv-mark {
  flex: 0 0 6px; width: 6px; height: 6px; border-radius: 50%;
  background: var(--okx-green); box-shadow: 0 0 8px rgba(0,176,124,.7);
}

/* How it works */
.hsb-cycle {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 4px 0 20px; padding: 12px 14px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,176,124,.08), rgba(0,176,124,.02));
  border: 1px solid rgba(0,176,124,.24);
}
.hsb-cycle-label {
  flex: 0 0 auto; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--okx-green);
}
.hsb-cycle-chain { font-size: 12px; line-height: 1.6; color: var(--okx-text-main); font-variant-numeric: tabular-nums; }
.hsb-steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px;
}
.hsb-step { display: flex; gap: 10px; align-items: flex-start; }
.hsb-step-n {
  flex: 0 0 22px; height: 20px; margin-top: 1px; border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 600; color: var(--accent2);
  background: rgba(102,217,255,.08); border: 1px solid rgba(102,217,255,.22);
  font-variant-numeric: tabular-nums;
}
.hsb-step p { font-size: 12px; line-height: 1.65; color: var(--muted); }

/* Fundamental principles */
.hsb-core-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hsb-core-item {
  padding: 16px 18px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,176,124,.09), rgba(0,176,124,.02));
  border: 1px solid rgba(0,176,124,.24);
}
.hsb-core-n {
  display: block; margin-bottom: 6px;
  font-size: 11px; font-weight: 600; letter-spacing: .1em;
  color: var(--okx-green); font-variant-numeric: tabular-nums;
}
.hsb-core-item h3 { font-size: 14px; font-weight: 500; line-height: 1.5; color: var(--text); }

/* Bullet lists */
.hsb-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.hsb-list-item { display: flex; gap: 10px; align-items: flex-start; }
.hsb-list-item p { font-size: 13px; line-height: 1.7; color: var(--muted); }
.hsb-list-mark {
  flex: 0 0 5px; width: 5px; height: 5px; margin-top: 8px; border-radius: 50%;
  background: var(--accent2);
}
.hsb-list-accent .hsb-list-mark { background: var(--okx-green); }
.hsb-list-ok .hsb-list-mark { background: var(--okx-green); }
.hsb-list-no .hsb-list-mark { background: var(--muted2); }

/* Risks */
.hsb-risks {
  border: 0.5px solid rgba(255,107,107,.18);
  border-radius: 12px;
  background: rgba(10,10,15,.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0,0,0,.35), inset 0 0 46px rgba(255,107,107,.03);
  padding: 28px 24px;
}
.hsb-risk-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.hsb-risk {
  padding: 14px 15px; border-radius: 10px;
  background: rgba(255,107,107,.05); border: 1px solid rgba(255,107,107,.16);
}
.hsb-risk-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; margin-bottom: 8px; border-radius: 5px;
  font-size: 11px; font-weight: 700; color: var(--okx-red);
  background: var(--okx-red-bg); border: 1px solid rgba(255,107,107,.3);
}
.hsb-risk h3 { font-size: 13px; font-weight: 500; line-height: 1.45; color: var(--text); margin-bottom: 5px; }
.hsb-risk p { font-size: 12px; line-height: 1.6; color: var(--muted); }

/* Expect / not expect */
.hsb-expect { display: grid; grid-template-columns: 1.35fr 1fr; gap: 14px; align-items: start; }
.hsb-expect-col {
  border: 0.5px solid rgba(102,217,255,.14);
  border-radius: 12px;
  background: rgba(10,10,15,.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0,0,0,.35), inset 0 0 46px rgba(102,217,255,.03);
  padding: 22px 20px;
}
.hsb-expect-no {
  border-color: rgba(201,168,106,.2);
  box-shadow: 0 8px 32px rgba(0,0,0,.35), inset 0 0 46px rgba(201,168,106,.03);
}
.hsb-expect-col .sec-title { margin-bottom: 14px; }

.hsb-videos h2, .hsb-invest h2 { margin-bottom: 14px; }
.hsb-video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hsb-video {
  border: 0.5px solid rgba(102,217,255,.14);
  border-radius: 12px;
  background: rgba(10,10,15,.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0,0,0,.35), inset 0 0 46px rgba(102,217,255,.03);
  padding: 14px;
}
.hsb-video-frame {
  position: relative; aspect-ratio: 16/9; border-radius: 8px;
  background: linear-gradient(135deg, #0b0e11, #12161c);
  border: 1px solid var(--okx-border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; overflow: hidden;
}
.hsb-video-frame::before {
  content: ''; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(0,176,124,.03) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(0,176,124,.03) 0 1px, transparent 1px 34px);
}
.hsb-play {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--okx-green); display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #fff; position: relative; z-index: 1;
  box-shadow: 0 0 24px rgba(0,176,124,.55);
  transition: transform .15s ease;
}
.hsb-video-frame:hover .hsb-play { transform: scale(1.08); }
.hsb-video h3 { font-size: 13px; font-weight: 500; color: var(--text); margin-top: 10px; }
.hsb-video p { font-size: 12px; line-height: 1.6; color: var(--muted); margin-top: 4px; }
.hsb-video-badge {
  display: inline-block; margin-top: 8px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--okx-green); border: 1px solid rgba(0,176,124,.35); border-radius: 3px; padding: 2px 8px;
}

.hsb-invest {
  border: 0.5px solid rgba(201,168,106,.24);
  border-radius: 12px;
  background: rgba(10,10,15,.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0,0,0,.35), inset 0 0 46px rgba(201,168,106,.04);
  padding: 28px 24px;
}
.hsb-invest-text { font-size: 13px; line-height: 1.8; color: var(--muted); max-width: 720px; }
.hsb-cta-row { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
.hsb-cta {
  display: inline-flex; align-items: center; justify-content: center;
  text-decoration: none; border-radius: 6px; cursor: pointer;
  padding: 10px 18px; font-size: 13px; font-weight: 500; font-family: inherit;
}
.hsb-cta-tg {
  background: var(--okx-green); color: #fff; border: 1px solid transparent;
}
.hsb-cta-tg:hover { background: var(--okx-green-hover); }
.hsb-cta-ghost {
  background: transparent; color: var(--accent); border: 1px solid rgba(201,168,106,.4);
}
.hsb-cta-ghost:hover { border-color: var(--accent); background: rgba(201,168,106,.08); }
.hsb-disclaimer { margin-top: 18px; font-size: 11px; line-height: 1.7; color: var(--muted2); opacity: .8; }

.page-hsb [hidden] { display: none !important; }

/* HSB nav card on /projects */
.projects-hsb-link { margin-top: 18px; text-align: center; }
.hsb-nav-card {
  width: 100%; border: 0.5px solid rgba(0,176,124,.28);
  border-radius: 12px; cursor: pointer; font-family: inherit;
  background: rgba(11,14,17,.7); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  padding: 16px 22px; display: flex; align-items: baseline; justify-content: center; gap: 10px; flex-wrap: wrap;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.hsb-nav-card:hover { border-color: var(--okx-green); box-shadow: 0 0 22px rgba(0,176,124,.15); }
.hsb-nav-title { font-size: 14px; font-weight: 600; color: var(--okx-green); text-transform: uppercase; letter-spacing: .04em; }
.hsb-nav-desc { font-size: 12px; color: var(--muted); }

/* Responsive */
@media (max-width: 1024px) {
  .hsb-terminal { grid-template-columns: 1fr; }
  .hsb-book-panel { order: 2; }
  .hsb-trade-panel { order: 3; }
  .hsb-chart-panel { order: 1; }
  .hsb-ticker { gap: 12px; }
  .hsb-ticker-metrics { margin-left: 0; width: 100%; }
  .hsb-adv-grid, .hsb-expect { grid-template-columns: 1fr; }
  .hsb-risk-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .page-hsb { padding-left: 12px; padding-right: 12px; }
  .hsb-ticker { padding: 10px 12px; }
  .hsb-last { font-size: 22px; }
  .hsb-chart, .hsb-chart-info { height: 320px; }
  .hsb-tf-row { overflow-x: auto; scrollbar-width: none; }
  .hsb-tf-row::-webkit-scrollbar { display: none; }
  .hsb-video-grid { grid-template-columns: 1fr; }
  .hsb-steps, .hsb-core-grid, .hsb-risk-grid { grid-template-columns: 1fr; }
  .hsb-block, .hsb-risks, .hsb-expect-col, .hsb-invest { padding: 22px 16px; }
}
@media (max-width: 420px) {
  .hsb-price { flex-direction: column; align-items: flex-start; gap: 2px; }
  .hsb-ticker { gap: 8px; }
}