: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:22px;--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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12px;font-size:14px;display:flex}.lang__item:hover{background:#11100e0f}.lang__item[aria-current=true]{font-weight:600}.lang__item[aria-current=true]:after{content:"";background:var(--red);border-radius:50%;width:7px;height:7px}.aurora{z-index:0;pointer-events:none;position:absolute;inset:0;overflow:hidden}.aurora i{filter:blur(70px);opacity:.55;will-change:transform;border-radius:50%;display:block;position:absolute}.aurora i:first-child{background:radial-gradient(closest-side, var(--red), transparent 70%);width:46vw;height:46vw;animation:drift-a 22s var(--ease-out) infinite alternate;bottom:-18vw;left:-12vw}.aurora i:nth-child(2){background:radial-gradient(closest-side, var(--amber), transparent 70%);width:40vw;height:40vw;animation:drift-b 26s var(--ease-out) infinite alternate;bottom:-22vw;left:28vw}.aurora i:nth-child(3){background:radial-gradient(closest-side, var(--teal), transparent 70%);width:44vw;height:44vw;animation:drift-c 24s var(--ease-out) infinite 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8px;font-size:12.5px;font-weight:500;display:inline-flex;transform:rotate(-1.5deg)}.hero__kicker b{background:var(--red);border-radius:50%;width:8px;height:8px}.hero__title{letter-spacing:-.035em;margin:26px 0 0;font-size:clamp(44px,7.4vw,88px);font-weight:600;line-height:1.02}.hero__title .l1,.hero__title .l2{animation:rise .8s var(--ease-out) both;display:block}.hero__title .l1{animation-delay:80ms}.hero__title .l2{color:var(--red);animation-delay:.18s}html[lang^=zh] .hero__title{letter-spacing:0;font-size:clamp(40px,6.4vw,76px)}.hero__sub{max-width:640px;color:var(--ink-2);text-wrap:pretty;animation:rise .8s var(--ease-out) .26s both;margin:22px auto 0;font-size:17.5px;line-height:1.55}@property --spin{syntax:"";inherits:false;initial-value:0deg}.codecard{border-radius:var(--radius-card);background:var(--card);width:min(640px,100%);animation:rise .8s var(--ease-out) .34s both;text-align:left;margin:36px auto 0;padding:22px 22px 18px;position:relative;box-shadow:0 24px 60px #11100e1a,0 2px 6px #11100e0d}.codecard:before{content:"";border-radius:inherit;background:conic-gradient(from var(--spin), var(--teal), var(--blue), var(--violet), var(--red), var(--amber), var(--teal));-webkit-mask-composite:xor;opacity:.9;padding:1.5px;animation:14s linear infinite spin;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}@keyframes 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14px;font-size:13px}.how{z-index:1;padding:40px 0 80px;position:relative}.how h2{letter-spacing:-.02em;margin:0 0 22px;font-size:28px;font-weight:600}.how__grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.step{border-radius:var(--radius-card);background:var(--card);border:1px solid var(--line);transition:transform .26s var(--ease-out), box-shadow .26s var(--ease-out);padding:24px;position:relative}.step:hover{transform:translateY(-3px);box-shadow:0 18px 40px #11100e14}.step__n{color:#fff;background:linear-gradient(135deg, var(--red), var(--amber));border-radius:12px;place-items:center;width:40px;height:40px;font-size:15px;font-weight:700;display:grid}.step:nth-child(2) .step__n{background:linear-gradient(135deg, var(--teal), var(--blue))}.step:nth-child(3) .step__n{background:linear-gradient(135deg, var(--violet), var(--red))}.step h3{margin:16px 0 6px;font-size:17px;font-weight:600}.step 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var(--ease-out);border-radius:18px;margin:18px;padding:44px 24px}.drop[data-over=true]{border-color:var(--red);background:#ff362c0a;transform:scale(1.005)}.drop__icon{background:linear-gradient(135deg, var(--red), var(--amber));color:#fff;width:56px;height:56px;box-shadow:4px 4px 0 var(--ink);border-radius:16px;place-items:center;margin:0 auto 14px;display:grid}.drop__icon svg{width:26px;height:26px}.drop h3{margin:0;font-size:19px;font-weight:600}.drop__actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-top:16px;display:flex}.drop__or{color:var(--muted);font-size:13px}.filelist{flex-direction:column;gap:8px;margin:0;padding:0 18px 6px;list-style:none;display:flex}.file{border:1px solid 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;width:56px;height:56px;box-shadow:4px 4px 0 var(--ink);border-radius:50%;place-items:center;margin:0 auto 12px;display:grid}.done__icon svg{width:28px;height:28px}.done h3{margin:0;font-size:20px}.done p{color:var(--ink-2);margin:6px 0 0;font-size:14.5px}.hint{text-align:center;color:var(--muted);max-width:560px;margin:16px auto 0;font-size:13px}.dl{padding:8px 18px 18px}.dl__row{border-bottom:1px solid var(--line);grid-template-columns:40px minmax(0,1fr) auto auto;align-items:center;gap:14px;padding:12px 8px;display:grid}.dl__row:last-child{border-bottom:0}.dl__size{color:var(--muted);white-space:nowrap;font-size:13.5px}.dl__top{justify-content:space-between;align-items:center;gap:12px;padding:18px 18px 10px;display:flex}.dl__count{color:var(--muted);font-size:14px}.gate{text-align:center;width:min(440px,100%);margin:0 auto;padding:28px}.gate h3{margin:12px 0 4px;font-size:20px}.gate p{color:var(--muted);margin:0 0 18px;font-size:14.5px}.gate__row{gap:10px;display:flex}.gate .err{color:var(--red-deep);margin:10px 0 0;font-size:13px}.lock{background:var(--paper);border:1px solid var(--line);border-radius:14px;place-items:center;width:48px;height:48px;margin:0 auto;display:grid}.lock svg{width:22px;height:22px}.state{text-align:center;padding:60px 20px}.state h2{letter-spacing:-.02em;margin:12px 0 4px;font-size:26px}.state p{color:var(--muted);margin:0}@keyframes 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18px;animation:none}.admin__head{align-items:center;gap:12px;padding:18px 18px 8px;display:flex}.admin__head h2{margin:0;font-size:18px;font-weight:600}.admin__head code,.table__sub code{background:#11100e0f;border-radius:6px;padding:2px 6px;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:12.5px}.admin__sub{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:10px 18px 6px;font-size:13px;font-weight:600}.admin__form{flex-direction:column;gap:12px;padding:6px 18px 18px;display:flex}.admin__grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.admin__row{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.seg{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.seg button{border:1px solid var(--line);background:var(--paper);text-align:left;border-radius:12px;align-items:center;gap:10px;padding:12px 14px;font-weight:500;transition:border-color .14s,box-shadow .14s,background .14s;display:flex}.seg button svg{flex:none;width:18px;height:18px}.seg button.is-on{border-color:var(--ink);box-shadow:4px 4px 0 var(--red);background:#fff}.created{animation:pop .3s var(--ease-out) both;background:linear-gradient(135deg,#16b7aa1f,#96a9ff24);border-radius:14px;flex-wrap:wrap;align-items:center;gap:16px;margin:0 18px 18px;padding:16px;display:flex}.created__icon{width:40px;height:40px;box-shadow:3px 3px 0 var(--ink);flex:none;margin:0}.created__icon svg{width:20px;height:20px}.created__body{flex:1;min-width:240px}.created__label{color:var(--ok);font-size:12.5px;font-weight:600}.created__url{word-break:break-all;font-size:17px;font-weight:600;display:block}.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}@media (max-width:900px){.admin__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.seg{grid-template-columns:1fr}}