/* The brief shares the site's navigation, with a larger editorial reading area. */
.bp { --bp-paper: #f7f6f3; --bp-border: #e3e2de; --bp-ink: #37352f; --bp-muted: #67655e; --bp-green: #54756a; --bp-gold: #a77540; color: var(--bp-ink); }
.bp h1, .bp h2 { font-family: Georgia, "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-weight: 700; letter-spacing: -.02em; }
.bp h1 { font-size: clamp(42px, 4.8vw, 68px); line-height: 1.2; margin: 0; }
.bp h1 > span { display: block; }
.bp h2 { font-size: clamp(29px, 3.2vw, 43px); line-height: 1.35; margin: 0; }
.bp h3 { font-size: 19px; line-height: 1.6; font-weight: 600; }
.bp p { font-size: 15px; line-height: 1.9; color: var(--bp-muted); }
.bp-hero { position: relative; padding: 54px 0 48px; isolation: isolate; }
.bp-hero-grid, .bp-hero-halo { position: absolute; inset: 0 -20px; z-index: -1; pointer-events: none; }
.bp-hero-grid { background-image: radial-gradient(#dddcd5 .8px, transparent 1px); background-size: 28px 28px; mask-image: radial-gradient(ellipse at 85% 24%, #000, transparent 66%); }
.bp-hero-halo { background: radial-gradient(ellipse at 85% 15%, #eeede5aa, transparent 50%); }
.bp-eyebrow { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; color: var(--bp-muted); font-size: 11px; letter-spacing: .14em; }
.bp-eyebrow > span:last-child { letter-spacing: 0; padding-left: 12px; border-left: 1px solid var(--bp-border); }
.bp .bp-lead { max-width: 720px; font-size: 17px; line-height: 1.9; margin: 27px 0 0; }
.bp h1.bp-brand-title { font-family: var(--font-ui-en); font-size: clamp(32px, 4.2vw, 60px); line-height: 1.15; letter-spacing: -.035em; }
.bp .bp-positioning { max-width: none; font-size: clamp(20px, 2.2vw, 28px); line-height: 1.5; color: var(--bp-ink); margin-top: 24px; }
.bp-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 31px; }
.bp-actions .primary, .bp-actions .wallet-button { border-radius: 999px; padding: 12px 23px; min-height: 48px; font-size: 14px; border-color: var(--bp-ink); transition: background .25s ease, box-shadow .25s ease; }
.bp-actions .wallet-button { border-color: var(--bp-border); }
.bp-actions .primary { background: var(--bp-ink); }
.bp-actions .primary:hover { box-shadow: 0 7px 20px #37352f1a; }
.bp-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 25px; margin-top: 62px; }
.bp-facts > div { border-top: 1px solid var(--bp-border); padding-top: 17px; }
.bp-facts strong { display: block; font: 700 27px/1.4 Georgia, serif; margin-bottom: 6px; }
.bp-facts span { color: var(--bp-muted); font-size: 12px; }
.bp-index { position: sticky; top: 65px; z-index: 3; display: flex; flex-wrap: wrap; column-gap: 26px; row-gap: 4px; padding: 17px 0; border-block: 1px solid var(--bp-border); background: #fff; }
.bp-index button { background: none; border: 0; padding: 0; color: var(--bp-muted); font-size: 13px; min-height: 30px; }
.bp-index button:hover, .bp-index button.is-current { color: var(--bp-ink); text-decoration: underline; text-underline-offset: 7px; }
.bp-reading-progress { position: absolute; inset: auto 0 -1px; height: 2px; background: var(--bp-ink); transform: scaleX(var(--bp-reading-progress, 0)); transform-origin: left; }
.bp-section { padding: 88px 0 0; scroll-margin-top: 142px; }
.bp-section-soft { background: var(--bp-paper); padding: 58px 30px 33px; margin-top: 78px; border-radius: 20px; }
.bp-section-title { max-width: 780px; margin-bottom: 34px; }
.bp .bp-chapter { font-family: inherit; font-size: clamp(28px, 2.7vw, 36px); line-height: 1.4; font-weight: 700; letter-spacing: 0; color: var(--bp-ink); }
.bp-kicker { display: block; margin-bottom: 14px; color: var(--bp-muted); font-size: 11px; line-height: 20px; letter-spacing: .08em; }
.bp-section-title > p { margin-top: 15px; font-size: 16px; }
.bp-grid-three, .bp-status-grid { display: grid; gap: 17px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bp-card { position: relative; padding: 27px; border: 1px solid var(--bp-border); border-radius: 17px; background: var(--bp-paper); transition: border-color .35s ease; }
.bp-card:hover { border-color: #bab8ad; }
.bp-card p { margin-top: 10px; }
.bp-card-no { display: block; font-size: 12px; line-height: 20px; color: var(--bp-muted); margin-bottom: 18px; }
.bp-scenario { border-left: 2px solid #9aab9e; padding: 2px 0 3px 25px; margin-bottom: 35px; max-width: 840px; }
.bp-scenario p { margin-top: 12px; }
.bp-scenario h3 { font-size: 22px; }
.bp-flow-panel { border: 1px solid var(--bp-border); border-radius: 17px; overflow: hidden; background: #fff; }
.bp-flow-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 16px 23px; border-bottom: 1px solid var(--bp-border); font-size: 13px; }
.bp-flow-toolbar button { border-radius: 999px; min-width: 110px; font-size: 12px; }
.bp-flow-svg { display: block; width: 100%; padding: 22px 18px 5px; }
.bp-svg-grid { color: #e6e5df; } #bp-flow-grid circle { fill: #e6e5df; }
.bp-flow-path { fill: none; stroke: #d6d5cc; stroke-width: 1.6; transition: stroke .3s; }
.bp-flow-path.is-active { stroke: var(--bp-green); stroke-width: 2; }
.bp-flow-money.is-active { stroke: var(--bp-gold); }
.bp-flow-node rect { fill: #fff; stroke: var(--bp-border); stroke-width: 1.5; transition: fill .4s, stroke .4s; }
.bp-flow-node.is-active rect { fill: #f0f5f1; stroke: #96ad9e; }
.bp-flow-pool.is-active rect { fill: #faf1e8; stroke: #c9a77e; }
.bp-flow-node text { text-anchor: middle; fill: var(--bp-ink); font-family: var(--font-ui-zh); font-size: 17px; font-weight: 600; }
.bp-flow-node text + text { fill: var(--bp-muted); font-size: 12px; font-weight: 400; }
html:lang(en-US) .bp-flow-node text { font-family: var(--font-ui-en); }
.bp-flow-discovery rect { fill: var(--bp-paper); stroke: var(--bp-border); }
.bp-flow-discovery text { text-anchor: middle; fill: var(--bp-muted); font-size: 12px; }
.bp-flow-label { text-anchor: middle; fill: var(--bp-muted); font-size: 11px; }
.bp-flow-packet { fill: var(--bp-green); } .bp-flow-packet.is-money { fill: var(--bp-gold); }
.bp-packet-halo { opacity: .13; }
.bp-flow-mobile { display: none; }
.bp-step-buttons { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; padding: 19px 23px 0; border-top: 1px solid var(--bp-border); }
.bp-step-buttons button { position: relative; text-align: left; padding: 14px 0 0; border: 0; border-top: 2px solid var(--bp-border); background: none; color: var(--bp-muted); }
.bp-step-buttons button > span { display: block; font: 11px/1.4 Consolas, monospace; margin-bottom: 5px; }
.bp-step-buttons strong { font-size: 12px; line-height: 1.6; font-weight: 500; display: block; }
.bp-step-buttons button[aria-pressed="true"] { color: var(--bp-ink); }
.bp-step-buttons button[aria-pressed="true"] strong { font-weight: 700; }
.bp-step-buttons i { position: absolute; height: 2px; width: calc(var(--step-progress, 0) * 100%); top: -2px; left: 0; background: var(--bp-ink); }
.bp-flow-detail { padding: 25px 25px 30px; min-height: 161px; }
.bp-flow-detail p { margin-top: 10px; max-width: 800px; }
.bp .bp-note { font-size: 12px; line-height: 1.8; margin-top: 15px; }
.bp-tech-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
.bp-tech-grid .bp-card { background: #fff; }
.bp-tag { display: inline-block; padding: 2px 8px; border: 1px solid var(--bp-border); border-radius: 6px; font-size: 11px; color: var(--bp-muted); margin: 17px 6px 0 0; }
.bp-zk-card { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) 200px; gap: 30px; }
.bp-zk-status { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 9px; padding-left: 28px; border-left: 1px solid var(--bp-border); font-size: 12px; color: var(--bp-muted); }
.bp-zk-status strong { color: var(--bp-ink); font-size: 15px; } .bp-zk-status .status-dot { background: var(--bp-gold); }
.bp-batch-demo { display: flex; gap: 13px; align-items: center; margin-top: 21px; }
.bp-receipts { display: grid; grid-template-columns: repeat(4, 22px); gap: 5px; }
.bp-receipts i { display: grid; place-items: center; height: 28px; border: 1px solid #cbd6cd; background: #f0f5f1; border-radius: 4px; font: 9px Consolas, monospace; color: var(--bp-green); }
.bp-batch-wire { position: relative; flex: 1; min-width: 20px; height: 1px; background: var(--bp-border); overflow: hidden; }
.bp-batch-wire::after { content: ''; position: absolute; inset: -1px auto -1px 0; width: 18px; background: var(--bp-gold); opacity: 0; }
.bp-batch-box { padding: 9px 10px; border-radius: 7px; border: 1px solid #decbb5; background: #faf1e8; flex: none; }
.bp-batch-box strong, .bp-batch-box small { display: block; } .bp-batch-box strong { font-size: 12px; font-weight: 600; } .bp-batch-box small { font-size: 10px; color: var(--bp-muted); }
.bp [data-batch-visible="true"] .bp-batch-wire::after { animation: bp-batch-packet 2.8s ease-in-out infinite; }
.bp [data-batch-visible="true"] .bp-receipts i { animation: bp-receipt 2.8s ease-in-out infinite; }
.bp-receipts i:nth-child(2n) { animation-delay: .2s !important; } .bp-receipts i:nth-child(3n) { animation-delay: .4s !important; }
.bp-pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; padding: 30px; margin-top: 22px; border: 1px solid var(--bp-border); border-radius: 17px; background: var(--bp-paper); }
.bp-pricing-copy > p { margin-top: 13px; }
.bp-formula { padding: 15px 10px; margin-top: 20px; border: 1px solid var(--bp-border); border-radius: 10px; background: #fff; text-align: center; font: 26px/1.5 Georgia, serif; }
.bp-formula sup { font-size: 16px; }
.bp-formula-key { display: flex; flex-wrap: wrap; gap: 8px 15px; margin-top: 13px; color: var(--bp-muted); font-size: 12px; }
.bp-pricing-details { border-top: 1px solid var(--bp-border); margin-top: 18px; } .bp-pricing-details summary { padding: 13px 0 6px; font-size: 12px; font-weight: 500; } .bp-pricing-details p { font-size: 13px; margin-top: 8px; }
.bp-demo-controls { min-width: 0; }
.bp-alpha-buttons { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; font-size: 12px; }
.bp-alpha-buttons > span { color: var(--bp-muted); margin-right: auto; }
.bp-alpha-buttons button { border: 1px solid var(--bp-border); border-radius: 999px; padding: 4px 12px; background: #fff; font-size: 12px; }
.bp-alpha-buttons button[aria-pressed="true"] { background: var(--bp-ink); color: #fff; border-color: var(--bp-ink); }
.bp-price-chart { width: 100%; display: block; margin-top: 13px; }
.bp-chart-grid path { fill: none; stroke: var(--bp-border); stroke-width: 1; stroke-dasharray: 3 5; }
.bp-chart-labels { fill: var(--bp-muted); font: 11px Consolas, monospace; }
.bp-chart-baseline { fill: none; stroke: #a8a69b; stroke-width: 1; stroke-dasharray: 4 5; }
.bp-chart-curve { fill: none; stroke: var(--bp-green); stroke-width: 2.5; stroke-linecap: round; }
.bp-chart-guide { stroke: #bfc7bf; stroke-width: 1; stroke-dasharray: 3 4; }
.bp-chart-dot { fill: var(--bp-green); stroke: #fff; stroke-width: 2; }
.bp-load-label { display: flex; justify-content: space-between; font-size: 13px; color: var(--bp-muted); }
#brief-load { width: 100%; margin: 12px 0; accent-color: var(--bp-ink); cursor: pointer; }
.bp-price-result { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 12px; color: var(--bp-muted); }
.bp-price-result output { color: var(--bp-ink); font: 700 27px/1.6 Georgia, serif; font-variant-numeric: tabular-nums; }
.bp-business-grid { display: grid; grid-template-columns: 1fr; gap: 35px; align-items: start; }
.bp-fee-card { background: #fff; }
.bp-fee-bar { display: flex; height: 34px; border-radius: 8px; overflow: hidden; margin-top: 24px; background: var(--bp-paper); }
.bp-fee-bar i:first-child { width: 99%; background: var(--bp-ink); } .bp-fee-bar i:last-child { width: 1%; background: var(--bp-gold); }
.bp-motion-ready .bp-fee-card:not(.is-visible) .bp-fee-bar i { width: 0; }
.bp-motion-ready .bp-fee-bar i { transition: width 1.6s cubic-bezier(.2,.7,.2,1); }
.bp-fee-split { display: flex; justify-content: space-between; margin-top: 12px; font-size: 13px; color: var(--bp-muted); } .bp-fee-split strong { font: 700 24px Georgia, serif; color: var(--bp-ink); }
.bp-live-strip { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; padding: 20px 0; border-block: 1px solid var(--bp-border); margin-bottom: 25px; font-size: 12px; }
.bp-live-label { display: flex; gap: 8px; align-items: center; color: var(--bp-muted); margin-right: auto; }
.bp-live-strip > div { display: flex; align-items: baseline; gap: 7px; } .bp-live-strip strong { font: 700 26px Georgia, serif; } .bp-live-strip small { width: 100%; color: var(--bp-muted); font-size: 11px; }
.bp-status-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bp-status-tag { display: inline-block; font-size: 11px; color: var(--bp-green); margin-bottom: 17px; padding: 2px 9px; border: 1px solid #d7e2d9; border-radius: 999px; background: #f0f5f1; }
.bp-status-next { color: var(--bp-gold); border-color: #e6d9c9; background: #faf1e8; }
.bp-status-grid ul { margin: 17px 0 0; padding-left: 18px; color: var(--bp-muted); font-size: 14px; line-height: 2.1; }
.bp-boundaries { border-block: 1px solid var(--bp-border); margin-top: 25px; padding-bottom: 14px; }
.bp-boundaries summary { padding: 18px 0 7px; font-size: 13px; } .bp-boundaries p { font-size: 13px; margin-top: 10px; max-width: 840px; }
.bp-cta { text-align: center; padding: 70px 25px; border-radius: 20px; margin-top: 75px; background: var(--bp-paper); }
.bp-cta p { margin-top: 20px; } .bp-cta .bp-actions { justify-content: center; }
.bp-motion-ready [data-reveal] { transition: opacity .75s ease, translate .75s cubic-bezier(.2,.7,.2,1); }
.bp-motion-ready [data-reveal]:not(.is-visible) { opacity: 0; translate: 0 14px; }
.bp:not([data-active="true"]) *, .bp:not([data-active="true"]) *::after { animation-play-state: paused !important; }
@keyframes bp-batch-packet { 0% { left: 0; opacity: 0; } 20% { opacity: 1; } 80% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
@keyframes bp-receipt { 0%, 100% { border-color: #cbd6cd; } 50% { border-color: #86a08c; } }
@media (max-width: 1050px) { .bp-hero { padding-top: 35px; } .bp h1 { font-size: 48px; } .bp-facts { gap: 17px; } .bp-facts strong { font-size: 23px; } .bp-grid-three { grid-template-columns: 1fr; } .bp-card { padding: 23px; } .bp-business-grid, .bp-pricing { gap: 24px; } .bp-flow-detail { min-height: 182px; } .bp-section-soft { padding-inline: 23px; } }
@media (max-width: 800px) { .bp-tech-grid, .bp-pricing, .bp-business-grid { grid-template-columns: 1fr; } .bp-zk-card { grid-template-columns: 1fr; gap: 20px; } .bp-zk-status { border-left: 0; border-top: 1px solid var(--bp-border); padding: 19px 0 0; } .bp-flow-svg { display: none; } .bp-flow-mobile { display: grid; grid-template-columns: 1fr 24px 1fr 24px 1fr; gap: 6px; align-items: center; padding: 26px 20px; } .bp-mobile-node { padding: 13px 7px; min-height: 70px; display: grid; place-items: center; text-align: center; border: 1px solid var(--bp-border); border-radius: 10px; background: var(--bp-paper); font-size: 12px; } .bp-flow-mobile > span { text-align: center; color: var(--bp-green); } .bp-mobile-node.is-active { border-color: #96ad9e; background: #f0f5f1; } .bp-mobile-pool { grid-column: 3; text-align: center; font-size: 12px; padding: 12px 5px; margin-top: 8px; border: 1px solid #decbb5; border-radius: 10px; background: #faf1e8; } .bp-flow-mobile p { grid-column: 1 / -1; text-align: center; font-size: 11px; margin-top: 7px; } .bp-step-buttons { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px 12px; } }
@media (max-width: 760px) { .bp h1 { font-size: clamp(33px, 8.3vw, 46px); line-height: 1.35; } .bp h2 { font-size: 28px; line-height: 1.4; } .bp h3 { font-size: 18px; } .bp-hero { padding: 24px 0 35px; } .bp-eyebrow { gap: 8px; font-size: 10px; letter-spacing: .08em; margin-bottom: 25px; } .bp .bp-lead { font-size: 15px; margin-top: 24px; } .bp-actions { gap: 10px; margin-top: 24px; } .bp-actions .primary, .bp-actions .wallet-button { min-height: 43px; font-size: 12px; padding: 10px 17px; } .bp-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 39px; gap: 23px 16px; } .bp-facts strong { font-size: 22px; } .bp-facts span { font-size: 11px; } .bp-index { top: 85px; gap: 3px 16px; padding: 10px 0; } .bp-index button { font-size: 12px; } .bp-section { padding-top: 58px; scroll-margin-top: 167px; } .bp-section-soft { margin-top: 52px; padding: 32px 15px 25px; border-radius: 14px; } .bp-section-title { margin-bottom: 26px; } .bp-section-title > p { font-size: 14px; } .bp-kicker { font-size: 10px; } .bp p { font-size: 14px; } .bp-scenario { padding-left: 18px; } .bp-scenario h3 { font-size: 19px; } .bp-card { padding: 22px; border-radius: 13px; } .bp-flow-toolbar { padding: 13px 14px; font-size: 12px; } .bp-flow-toolbar button { min-width: 98px; font-size: 11px; } .bp-flow-mobile { padding: 22px 12px; gap: 3px; grid-template-columns: 1fr 17px 1fr 17px 1fr; } .bp-mobile-node { font-size: 11px; padding: 12px 4px; } .bp-step-buttons { padding: 18px 16px 0; } .bp-step-buttons strong { font-size: 11px; } .bp-flow-detail { padding: 25px 17px; min-height: 230px; } .bp-pricing { padding: 23px 20px; } .bp-formula { font-size: 24px; } .bp-alpha-buttons button { padding-inline: 11px; } .bp-price-result output { font-size: 25px; } .bp-status-grid { grid-template-columns: 1fr; } .bp-live-label { width: 100%; } .bp-live-strip { gap: 13px 19px; } .bp-live-strip strong { font-size: 23px; } .bp-cta { padding: 48px 20px; margin-top: 53px; border-radius: 14px; } .bp-cta .bp-actions { flex-direction: column; align-items: center; } }
@media (max-width: 760px) { .bp .bp-chapter { font-size: 26px; } }
@media (prefers-reduced-motion: reduce) { .bp *, .bp *::after { animation: none !important; transition: none !important; } .bp-motion-ready [data-reveal]:not(.is-visible) { opacity: 1; translate: none; } .bp-flow-packet { visibility: hidden; } }