:root{color-scheme:light;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#fff;color:#151922;--blue:#002fa7;--blue-hover:#00247e;--link:#002fa7;--canvas:#fff;--surface:#fff;--soft:#f5f6f8;--line:#dde1e7;--control:#778292;--muted:#566070;--danger:#b42318;--danger-bg:#fff3f2;--focus:#002fa7;--primary-border:#002fa7;font-synthesis:none}
*{box-sizing:border-box}html,body{width:100%;max-width:100%;margin:0}body{min-width:280px;min-height:100svh;background:var(--canvas);line-height:1.6}.shell{width:min(1120px,100%);margin:auto;padding:0 clamp(20px,4vw,48px)}header{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:88px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;min-width:0;font-size:1.125rem;font-weight:650;line-height:1.25}.brand img{width:40px;height:32px;object-fit:contain;flex:none}.brand-subtitle{display:block;color:var(--muted);font-size:0.75rem;font-weight:500}.controls{display:flex;gap:8px;min-width:0}.controls select{max-width:180px}.controls button{min-width:60px}.intro-section{max-width:760px;margin:52px auto 32px}.network-label{display:flex;align-items:center;gap:10px;margin:0 0 16px;color:var(--link);font-weight:600;font-size:0.8125rem}.network-label span{border-inline-start:1px solid var(--line);padding-inline-start:10px;color:var(--muted);font-variant-numeric:tabular-nums}h1{font-size:clamp(1.875rem,3.7vw,2.75rem);line-height:1.16;font-weight:650;letter-spacing:-.025em;margin:0 0 18px;overflow-wrap:anywhere}h2{font-size:1.25rem;line-height:1.35;margin:0;font-weight:650}h1:lang(zh),h1:lang(ja),h1:lang(ko),h1:lang(ar){letter-spacing:0}.intro{font-size:1rem;line-height:1.7;color:var(--muted);max-width:660px;margin:0}.workspace{max-width:760px;margin-inline:auto}.workspace.is-connected{max-width:none;display:grid;grid-template-columns:minmax(280px,.82fr) minmax(0,1.18fr);gap:24px;align-items:start}.card{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:28px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.section-heading button{border:0;background:var(--soft);padding-inline:12px;font-size:0.8125rem}.availability{margin:16px 0 22px;color:var(--muted);font-size:0.9375rem;line-height:1.6;overflow-wrap:anywhere}.wallets,.actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.wallets{margin-top:18px}.actions{margin-top:16px}.wallets>*{min-width:0}.download-meta{font-size:0.8125rem;color:var(--muted);overflow-wrap:anywhere;line-height:1.6;margin:18px 0 0}.platforms,.tools{border-top:1px solid var(--line);padding-top:18px;margin-top:22px}.platforms summary,.tools summary,.package-details summary,dialog summary{cursor:pointer;font-weight:550;min-height:44px;line-height:1.5;padding-block:10px;overflow-wrap:anywhere}.platforms>a{color:var(--link);display:inline-flex;min-height:44px;align-items:center}.package-details{margin-top:8px}.package-details summary{font-size:0.8125rem;color:var(--muted)}.platform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:14px}.platform-grid button{text-align:start;font-size:0.75rem}.status{padding:14px 16px;border-inline-start:3px solid var(--line);background:var(--soft);margin-top:22px;overflow-wrap:anywhere;font-size:0.875rem}.status[data-kind="error"]{border-color:var(--danger);background:var(--danger-bg);color:var(--danger)}.status strong{font-weight:600}.hidden{display:none!important}select,button,input,textarea{font:inherit;max-width:100%;color:inherit}button,select{min-height:44px;border:1px solid var(--control);border-radius:8px;background:var(--surface);padding:10px 14px;font-size:0.875rem;line-height:1.35}button{cursor:pointer;transition:background-color 120ms}button:hover{background:var(--soft)}button.primary,a.primary{background:var(--blue);border-color:var(--primary-border);color:#fff;font-weight:600}button.primary:hover,a.primary:hover{background:var(--blue-hover)}.secondary{color:var(--link);font-weight:550}button:disabled{background:var(--soft);color:var(--muted);border-color:var(--line);cursor:not-allowed}.label{display:block;font-size:0.875rem;font-weight:550;margin:22px 0 8px}input,textarea{width:100%;min-width:0;border:1px solid var(--control);border-radius:8px;background:var(--surface);padding:12px 14px;min-height:48px;font-size:1rem;line-height:1.5}input:disabled{color:var(--muted);background:var(--soft);border-color:var(--line)}input::placeholder{color:var(--muted)}textarea{resize:vertical;min-height:96px}.amount-input{position:relative}.amount-input input{padding-inline-end:76px;font-size:1.5rem;font-variant-numeric:tabular-nums;letter-spacing:0}.amount-input>span{position:absolute;inset-inline-end:16px;top:50%;transform:translateY(-50%);font-size:0.875rem;color:var(--muted);font-weight:600}.hint{font-size:0.8125rem;color:var(--muted);margin:8px 0 0}.check-label{display:flex;align-items:flex-start;gap:10px;font-size:0.875rem;margin-top:16px;cursor:pointer}.check-label input{width:20px;min-height:20px;height:20px;flex:none;margin:2px 0 0;accent-color:var(--blue)}.fee-note{margin:22px 0 16px;font-size:0.875rem;color:var(--muted)}.send-action{width:100%;min-height:48px}.message-tools button{margin-top:16px}.risk{font-size:0.8125rem;line-height:1.65;color:var(--muted);margin:16px 0 0}.mono,.address{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:anywhere;direction:ltr;unicode-bidi:isolate}.mono{font-size:0.75rem}.address{font-size:0.875rem}.connection-facts,.review-facts{margin:20px 0 0}.connection-facts>div,.review-facts>div{padding-block:12px;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(80px,.7fr) minmax(0,1.3fr);gap:12px}.connection-facts dt,.review-facts dt{color:var(--muted);font-size:0.8125rem}.connection-facts dd,.review-facts dd{margin:0;min-width:0;font-size:0.875rem;overflow-wrap:anywhere}.review-facts dd{font-variant-numeric:tabular-nums}.review-facts>div:nth-child(3) dd,.review-facts>div:nth-child(4) dd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;direction:ltr;unicode-bidi:isolate;font-size:0.8125rem}.review-facts>div:nth-child(5) dd{font-weight:650;font-size:1.25rem}.form-error{color:var(--danger);font-size:0.875rem;margin:18px 0 0}[aria-invalid="true"]{border-color:var(--danger)}footer{max-width:760px;margin:28px auto 40px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px 24px;color:var(--muted);font-size:0.75rem;line-height:1.6;padding-bottom:env(safe-area-inset-bottom,0px)}dialog{width:min(560px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;color:inherit;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 18px 56px rgb(0 0 0 / 18%)}dialog::backdrop{background:rgb(13 20 35 / 45%)}.review-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px;margin-top:24px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:800px){.workspace.is-connected{grid-template-columns:minmax(0,1fr)}.intro-section{margin-top:36px}.connection-facts>div{grid-template-columns:minmax(90px,.5fr) minmax(0,1.5fr)}}
@media(max-width:520px){.shell{padding-inline:20px}header{gap:12px;min-height:80px}.brand{gap:8px;font-size:0.9375rem}.brand img{width:30px;height:28px}.brand-subtitle{font-size:0.625rem}.controls{gap:6px}.controls select{max-width:102px;padding-inline:8px;font-size:0.75rem}.controls button{min-width:48px;padding-inline:8px;font-size:0.75rem}.intro-section{margin:32px 0 24px}h1{font-size:1.875rem;line-height:1.2}.card{padding:22px 20px}.section-heading{gap:12px}h2{font-size:1.1875rem}.wallets,.actions,.platform-grid{grid-template-columns:minmax(0,1fr)}.section-heading button{font-size:0.75rem}.connection-facts>div,.review-facts>div{grid-template-columns:minmax(0,1fr);gap:4px}.review-actions{flex-direction:column-reverse}.review-actions button{width:100%}dialog{padding:24px 20px}.intro{font-size:0.9375rem}footer{margin-bottom:28px}.check-label{font-size:0.8125rem}}
@media(max-width:340px){header{flex-wrap:wrap;padding-block:14px}.controls{width:100%;justify-content:flex-end}.shell{padding-inline:16px}.card{padding:20px 16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--canvas:#11141a;--surface:#181c24;--soft:#212630;--line:#343c49;--control:#8d98a9;--muted:#b3bac6;--danger:#ffb2aa;--danger-bg:#3b201f;--link:#a7beff;--focus:#a7beff;--primary-border:#a7beff;color:#f4f6fa}}
html[data-theme="light"]{color-scheme:light}html[data-theme="dark"]{color-scheme:dark;--canvas:#11141a;--surface:#181c24;--soft:#212630;--line:#343c49;--control:#8d98a9;--muted:#b3bac6;--danger:#ffb2aa;--danger-bg:#3b201f;--link:#a7beff;--focus:#a7beff;--primary-border:#a7beff;color:#f4f6fa}