.exchange-page{display:flex;flex-direction:column;gap:var(--efu-space-5, 24px)}.exchange-hero{display:flex;flex-direction:column;gap:var(--efu-space-3, 12px);padding:var(--efu-space-6, 32px);border-radius:var(--radius);background:var(--efu-card-bg);border:1px solid var(--efu-card-border);position:relative;overflow:hidden}.exchange-hero:before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:4px;background:linear-gradient(90deg,var(--efu-main),var(--efu-main-op-deep))}.exchange-hero-kicker{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--efu-main)}.exchange-title{margin:0;font-size:30px;line-height:1.2;color:var(--efu-fontcolor)}.exchange-subtitle{margin:0;max-width:62ch;color:var(--efu-secondtext);line-height:1.7}.exchange-actions{display:flex;flex-wrap:wrap;gap:var(--efu-space-3, 12px);margin-top:var(--efu-space-2, 8px)}.exchange-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--efu-radius-pill, 999px);border:1px solid var(--efu-card-border);background:var(--efu-secondbg);color:var(--efu-fontcolor);font-size:15px;transition:transform var(--efu-motion-fast, .18s),background .3s,color .3s}.exchange-btn:hover{transform:translateY(-2px);color:var(--efu-main);border-color:var(--efu-main)}.exchange-btn-primary{background:var(--efu-main);border-color:var(--efu-main);color:var(--efu-white)}.exchange-btn-primary:hover{color:var(--efu-white);background:var(--efu-main);filter:brightness(1.08)}.exchange-section{padding:var(--efu-space-5, 24px);border-radius:var(--radius);background:var(--efu-card-bg);border:1px solid var(--efu-card-border)}.exchange-section-title{display:flex;align-items:baseline;gap:10px;margin:0 0 var(--efu-space-4, 16px);font-size:20px;color:var(--efu-fontcolor)}.exchange-kicker{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--efu-main);opacity:.85}.exchange-flow{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--efu-space-3, 12px)}.exchange-flow-item{display:flex;align-items:flex-start;gap:var(--efu-space-3, 12px);padding:var(--efu-space-3, 12px) var(--efu-space-4, 16px);border-radius:var(--efu-radius-md, 12px);background:var(--efu-secondbg)}.exchange-flow-index{flex:none;font-weight:700;color:var(--efu-main);font-variant-numeric:tabular-nums}.exchange-flow-text{color:var(--efu-fontcolor);line-height:1.7}.exchange-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--efu-space-3, 12px)}.exchange-card{display:flex;flex-direction:column;gap:8px;padding:var(--efu-space-4, 16px);border-radius:var(--efu-radius-md, 12px);background:var(--efu-secondbg);border:1px solid transparent;transition:border-color .3s,transform var(--efu-motion-fast, .18s)}.exchange-card:hover{border-color:var(--efu-main);transform:translateY(-2px)}.exchange-card-icon{font-size:18px;color:var(--efu-main)}.exchange-card-title{margin:0;font-size:16px;color:var(--efu-fontcolor)}.exchange-card-desc{margin:0;font-size:14px;line-height:1.7;color:var(--efu-secondtext)}.exchange-domain{display:flex;flex-direction:column;gap:var(--efu-space-2, 8px)}.exchange-domain-item{display:flex;align-items:flex-start;gap:8px;margin:0;line-height:1.7;color:var(--efu-secondtext)}.exchange-domain-item.accepted i{color:var(--efu-green)}.exchange-domain-item.rejected i{color:var(--efu-red)}.exchange-note{margin:0 0 var(--efu-space-3, 12px);color:var(--efu-secondtext);line-height:1.7}.exchange-snippet{position:relative}.exchange-snippet pre{margin:0;padding:var(--efu-space-4, 16px);border-radius:var(--efu-radius-md, 12px);border:var(--paper-border-width, 2px) solid var(--efu-card-border);background:var(--efu-secondbg);color:var(--efu-fontcolor);overflow-x:auto;color-scheme:light dark}.exchange-snippet code{display:block;min-width:max-content;font-family:var(--efu-code-font-family);font-size:14px;line-height:1.8;color:inherit;white-space:pre}.exchange-copy{position:absolute;top:10px;right:10px;display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--efu-radius-sm, 8px);border:1px solid var(--efu-card-border);background:var(--efu-card-bg);color:var(--efu-secondtext);font-size:13px;cursor:pointer;transition:color .3s,border-color .3s}.exchange-copy:hover{color:var(--efu-main);border-color:var(--efu-main)}@media(max-width:768px){.exchange-hero,.exchange-section{padding:var(--efu-space-4, 16px)}.exchange-title{font-size:24px}.exchange-grid{grid-template-columns:1fr}.exchange-flow-item{padding:var(--efu-space-2, 8px) var(--efu-space-3, 12px)}}