:root{color-scheme:light dark;--ink:light-dark(#14223a,#f3f7ff);--muted:light-dark(#65728a,#a7b4ca);--bg:light-dark(#f4f7fb,#0b1220);--surface:light-dark(#fff,#111b2d);--soft:light-dark(#edf3fb,#17243a);--line:light-dark(#dfe6f0,#29364b);--brand:light-dark(#165dff,#6e9aff);--brand-dark:light-dark(#0e2f6d,#07101f);--good:light-dark(#07875e,#4cdda9);--bad:light-dark(#c63143,#ff7f8c);--warning:light-dark(#9a6a00,#ffd36a);--shadow:light-dark(0 18px 50px rgba(29,62,110,.12),0 18px 50px rgba(0,0,0,.28));font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--ink)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.topline{background:var(--brand-dark);color:#dce9ff;font-size:12px;padding:8px 0}.topline .container{display:flex;justify-content:space-between;gap:16px}.site-header{background:color-mix(in srgb,var(--surface) 94%,transparent);border-bottom:1px solid var(--line)}.navigation{min-height:68px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:10px;margin-right:auto;color:var(--ink);text-decoration:none}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),#53b6ff);color:#fff;box-shadow:0 8px 20px color-mix(in srgb,var(--brand) 28%,transparent)}.nav-links{display:flex;gap:24px}.nav-links a{color:var(--muted);text-decoration:none;font-size:14px}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--brand)}.admin-entry{border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;padding:9px 14px;border-radius:10px;font-size:13px}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 78% 20%,color-mix(in srgb,#54c6ff 25%,transparent),transparent 28%),linear-gradient(135deg,light-dark(#eef5ff,#0d1930),var(--bg));padding:58px 0 128px;border-bottom:1px solid var(--line)}.hero:after{content:"";position:absolute;width:300px;height:300px;right:4%;bottom:-190px;border-radius:50%;border:46px solid color-mix(in srgb,var(--brand) 7%,transparent)}.eyebrow{color:var(--brand);font-weight:600;font-size:13px;letter-spacing:.08em}.hero h1{margin:12px 0 16px;font-size:clamp(36px,5vw,58px);line-height:1.08;letter-spacing:-.045em;max-width:700px}.hero-copy{max-width:620px;color:var(--muted);font-size:17px;line-height:1.8}.trust-row{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13px;margin-top:24px}.trust-row span:before{content:"✓";color:var(--good);margin-right:6px}.converter-overlap{margin-top:-86px;position:relative;z-index:2}.converter-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:28px}.converter-heading{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:22px}.converter-heading h2{margin:0 0 6px;font-size:22px}.converter-heading p{margin:0;color:var(--muted);font-size:13px}.status{display:inline-flex;align-items:center;gap:7px;color:var(--good);font-size:12px}.status:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px color-mix(in srgb,currentColor 14%,transparent)}.status-error{color:var(--bad)}.status-warning{color:var(--warning)}.converter-grid{display:grid;grid-template-columns:1fr 1fr 48px 1fr;gap:14px;align-items:end}.field label{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}.field input,.field select{width:100%;min-height:52px;border:1px solid var(--line);background:var(--soft);color:var(--ink);border-radius:12px;padding:0 14px;outline:none}.field input{font-size:19px;font-weight:650}.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 13%,transparent)}.swap-button{width:46px;height:46px;border:1px solid var(--line);color:var(--brand);background:var(--surface);border-radius:50%;font-size:21px;cursor:pointer;margin-bottom:3px}.result-box{margin-top:20px;padding:22px;border-radius:16px;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 10%,var(--soft)),var(--soft));display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}.result-box p{margin:0 0 5px;color:var(--muted);font-size:13px}.result-box strong{font-size:clamp(25px,4vw,38px);letter-spacing:-.035em}.rate-meta{display:flex;flex-direction:column;align-items:end;gap:6px;color:var(--muted);font-size:12px}.rate-meta button{border:0;background:transparent;color:var(--brand);padding:3px 0;cursor:pointer}.section{padding-top:56px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading h2{margin:0 0 7px;font-size:25px}.section-heading p,.section-heading>span{margin:0;color:var(--muted);font-size:13px}.market-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.market-card{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:18px}.pair-name{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px}.pair-name strong{color:var(--ink);font-size:14px}.market-value{font-size:23px;font-weight:700;margin:16px 0 7px}.market-card p{margin:0;color:var(--muted);font-size:12px}.empty-state{grid-column:1/-1;border:1px dashed var(--line);padding:28px;border-radius:14px;color:var(--muted);text-align:center}.amount-table{display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px;background:var(--surface);border:1px solid 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a{color:inherit;text-decoration:none}@media(max-width:880px){.nav-links{display:none}.converter-grid{grid-template-columns:1fr 1fr}.swap-button{grid-column:1/-1;justify-self:center;transform:rotate(90deg);margin:-4px 0}.market-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.container{width:min(100% - 24px,1160px)}.topline-note{display:none}.navigation{min-height:60px}.admin-entry{font-size:0;padding:9px}.admin-entry:after{content:"后台";font-size:12px}.hero{padding:42px 0 112px}.hero-copy{font-size:15px}.converter-card{padding:18px;border-radius:18px}.converter-heading{display:block}.status{margin-top:9px}.converter-grid{grid-template-columns:1fr}.swap-button{grid-column:auto}.result-box{grid-template-columns:1fr;padding:18px}.rate-meta{align-items:start}.market-grid,.amount-table,.feature-section{grid-template-columns:1fr}.amount-row:nth-last-child(-n+2){border-bottom:1px solid var(--line)}.amount-row:last-child{border-bottom:0}.section{padding-top:42px}.section-heading{align-items:start;flex-direction:column}.footer-grid{align-items:start;flex-direction:column}}