:root{--ink:#11100e;--ink-2:#3d3b36;--muted:#6f6c65;--paper:#fbfaf7;--card:#fff;--line:#11100e1f;--line-strong:#11100e38;--red:#ff362c;--red-deep:#d92a21;--amber:#ffb020;--teal:#16b7aa;--blue:#96a9ff;--violet:#b48cff;--ok:#1f9d55;--font-latin:"Helvetica Neue", "Segoe UI Variable Display", "Segoe UI", Helvetica, Arial, sans-serif;--font-cn:"PingFang SC", "Microsoft YaHei UI", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;--ease-out:cubic-bezier(.2, .8, .2, 1);--radius-card:24px;--stroke-spectrum:linear-gradient(90deg, #16b7aac7 0%, #96a9ffd9 50%, #ff362cc7 100%);--glow-spectrum:0 1px 2px #11100e0d, 0 20px 44px -18px #11100e29;--radius-pill:999px}*{box-sizing:border-box}html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}body{background:var(--paper);color:var(--ink);font-family:var(--font-latin), var(--font-cn);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;min-height:100dvh;margin:0}html[lang^=zh] body{font-family:var(--font-cn), 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var(--violet), var(--red))}.step h3{margin:16px 0 6px;font-size:17px;font-weight:600}.step p{color:var(--muted);margin:0;font-size:14.5px;line-height:1.5}.page{z-index:1;padding:56px 0 80px;position:relative}.page__head{text-align:center;max-width:720px;animation:rise .7s var(--ease-out) both;margin:0 auto 26px}.kicker{color:var(--red);letter-spacing:.04em;text-transform:uppercase;font-size:13px;font-weight:600}html[lang^=zh] .kicker{letter-spacing:.1em}.page__title{letter-spacing:-.025em;margin:8px 0 0;font-size:clamp(28px,4vw,40px);font-weight:600;line-height:1.12}.page__meta{color:var(--muted);margin:8px 0 0;font-size:15px}.page__hint{max-width:560px;color:var(--ink-2);margin:14px auto 0;font-size:15px;line-height:1.5}.panel{background:var(--card);border-radius:var(--radius-card);width:min(760px,100%);animation:rise .7s var(--ease-out) .12s both;margin:0 auto;overflow:hidden;box-shadow:0 24px 60px #11100e1a,0 2px 6px #11100e0d}.drop{text-align:center;transition:background .2s 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var(--line);background:var(--paper);animation:pop .22s var(--ease-out) both;border-radius:14px;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:14px;padding:12px 14px;display:grid}.file__icon{border:1px solid var(--line);letter-spacing:.04em;width:40px;height:40px;color:var(--ink-2);background:#fff;border-radius:11px;place-items:center;font-size:10px;font-weight:700;display:grid}.file__name{text-overflow:ellipsis;white-space:nowrap;font-size:14.5px;font-weight:500;overflow:hidden}.file__path{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.file__meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;margin-top:6px;font-size:12.5px;display:flex}.file__meta .st{color:var(--ink-2);font-weight:600}.file__meta .st[data-s=ready]{color:var(--ok)}.file__meta .st[data-s=failed],.file__meta .st[data-s=mismatch]{color:var(--red-deep)}.bar{background:#11100e14;border-radius:6px;height:6px;margin-top:8px;overflow:hidden}.bar i{border-radius:inherit;background:linear-gradient(90deg, var(--red), var(--amber));width:0;height:100%;transition:width .3s linear;display:block}.bar i[data-s=ready]{background:var(--ok)}.bar i[data-s=hashing],.bar i[data-s=verifying]{background:linear-gradient(90deg, var(--teal), var(--blue));background-size:200% 100%;animation:1.4s linear infinite shimmer}@keyframes shimmer{0%{background-position:0 0}to{background-position:200% 0}}.file__ctl{gap:6px;display:flex}.iconbtn{border:1px solid var(--line);background:#fff;border-radius:10px;place-items:center;width:34px;height:34px;transition:background .14s;display:grid}.iconbtn:hover{background:#11100e0d}.iconbtn svg{width:16px;height:16px}.summary{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;padding:16px 18px 18px;display:flex}.summary__stats{color:var(--muted);flex-wrap:wrap;gap:16px;font-size:13.5px;display:flex}.summary__stats b{color:var(--ink);font-weight:600}.optional{padding:0 18px 18px}.optional summary{cursor:pointer;color:var(--muted);padding:6px 0;font-size:13.5px}.optional__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:8px;display:grid}.optional__grid textarea{resize:vertical;grid-column:1/-1;min-height:72px}.input{border:1px solid var(--line);background:var(--paper);border-radius:12px;outline:none;width:100%;height:44px;padding:0 14px}.input:focus{border-color:var(--ink);box-shadow:0 0 0 4px #11100e14}textarea.input{padding:10px 14px}.done{text-align:center;animation:pop .32s var(--ease-out) both;background:linear-gradient(135deg,#16b7aa1f,#96a9ff24);border-radius:18px;margin:18px;padding:28px}.done__icon{background:var(--ok);color:#fff;border-radius:50%;place-items:center;width:56px;height:56px;margin:0 auto 12px;display:grid;box-shadow:0 10px 24px 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pop{0%{opacity:0;transform:translateY(6px)scale(.98)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}@media (max-width:760px){.container{width:calc(100% - 32px)}.hero{padding:64px 0 48px}.how__grid{grid-template-columns:1fr}.codecard__row{padding:5px}.codecard__row .codecard__input{padding-left:11px}.file{grid-template-columns:36px minmax(0,1fr)}.file__ctl{grid-column:2;justify-content:flex-end}.dl__row{grid-template-columns:36px minmax(0,1fr) auto}.dl__size{display:none}.optional__grid{grid-template-columns:1fr}.nav a.nav__how{display:none}}.tablewrap{padding:0 8px 10px;overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:14px}.table th{text-align:left;color:var(--muted);border-bottom:1px solid var(--line);white-space:nowrap;padding:8px 10px;font-size:12px;font-weight:600}.table td{border-bottom:1px solid var(--line);vertical-align:middle;padding:12px 10px}.table tbody tr{cursor:pointer;transition:background .12s}.table tbody tr:hover{background:#11100e08}.table tbody tr.is-selected{background:#ff362c0d}.table tbody tr:last-child td{border-bottom:0}.table__title{font-weight:500}.table__sub{color:var(--muted);margin-top:2px;font-size:12.5px}.nowrap{white-space:nowrap}.table td .btn{margin-right:6px}.badge{border-radius:var(--radius-pill);white-space:nowrap;align-items:center;gap:6px;height:26px;padding:0 10px;font-size:12.5px;font-weight:600;display:inline-flex}.badge svg{width:14px;height:14px}.badge--collect{color:#8a5a00;background:#ffb02029}.badge--send{color:#2b3e9a;background:#96a9ff33}.badge--active{color:var(--ok);background:#1f9d5524}.badge--disabled{color:var(--muted);background:#11100e14}.badge--expired{color:var(--red-deep);background:#ff362c1f}.lockup{--lk:var(--lk-base);gap:calc(var(--lk) * 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