:root{--bg: #000000;--bg-2: #0a0f15;--paper: #0e1620;--paper-2: #131d27;--ink: #ece9de;--ink-2: #b7bfc4;--ink-3: #74838b;--ink-4: #3f4c56;--ink-5: #28333c;--rule: #1b2730;--rule-soft: #131d26;--accent: #2dc2dc;--accent-2: #74d9e8;--accent-soft: rgba(45, 194, 220, .08);--accent-ink: #061218;--warn: #d08e6e;--ok: #29b36b;--sans: "IBM Plex Sans", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;--mono: "IBM Plex Mono", "Noto Sans SC", ui-monospace, "SF Mono", Menlo, monospace;--display: "IBM Plex Sans", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;--gutter: 32px;--radius: 2px}html[lang=zh]{--sans: "Noto Sans SC", "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;--display: "Noto Sans SC", "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);background-attachment:fixed;color:var(--ink);font:16px/1.65 var(--sans);letter-spacing:-.003em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh}::selection{background:var(--accent);color:var(--accent-ink)}a{color:inherit}code{font-family:var(--mono);background:#ffffff0a;padding:1px 6px;border-radius:4px;font-size:.92em}button,input{font-family:inherit;color:inherit}button{cursor:pointer;background:none;border:0;padding:0;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}input:focus-visible,.addr-input:focus-within input:focus-visible{outline:none}.sheet{max-width:1180px;margin:0 auto;padding:32px 64px 96px}.mast{display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px;padding-bottom:22px;margin-bottom:56px;border-bottom:1px solid var(--rule)}.mast .mark{display:flex;align-items:center;gap:14px}.mast .brand-mark{width:64px;height:64px;flex-shrink:0;opacity:1}.mast .mark .lockup{display:flex;flex-direction:column;align-items:flex-start;gap:4px;line-height:1}.mast .mark .lockup b{font-family:IBM Plex Sans,Noto Sans SC,ui-sans-serif,system-ui,sans-serif;font-weight:600;font-size:26px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink);line-height:1}.mast .mark .lockup .tag{font-family:var(--mono);font-size:13px;color:var(--ink-3);letter-spacing:.18em;text-transform:uppercase;font-weight:400;line-height:1}.lang-toggle{display:inline-flex;align-items:center;gap:6px;font-family:IBM Plex Mono,Noto Sans SC,ui-monospace,SF Mono,Menlo,monospace;font-size:11px;color:var(--ink-4)}.lang-toggle button{font:inherit;color:var(--ink-3);padding:13px 16px;margin:-9px 0;min-width:44px;border-radius:var(--radius);transition:color .15s,background .15s}.lang-toggle button:hover{color:var(--ink)}.lang-toggle button.on{color:var(--accent-ink);background:var(--accent)}.lang-toggle span{color:var(--ink-5)}.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:88px;align-items:start;margin-bottom:96px}.hero-text{display:flex;flex-direction:column;gap:32px}.hero-head{font-family:var(--display);font-weight:500;font-size:60px;line-height:1.04;letter-spacing:-.04em;margin:0;color:var(--ink);text-wrap:balance}html[lang=zh] .hero-head{font-weight:600;font-size:48px;letter-spacing:-.02em;line-height:1.18}.hero-head .accent{color:var(--accent);font-style:normal}.hero-p{font-size:16px;color:var(--ink-2);line-height:1.7;max-width:52ch;margin:0}.rules-block{display:flex;flex-direction:column;gap:14px;padding:24px 0 0;border-top:1px solid var(--rule)}.rules-label{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3)}.rules{margin:0;padding:0 0 0 20px;display:flex;flex-direction:column;gap:8px;color:var(--ink-2);font-size:14.5px;line-height:1.55}.rules code{background:#2dc2dc14;border:0;padding:1px 6px;color:var(--accent-2)}.rules strong,.hero-p strong{color:var(--ink);font-weight:600}.rules strong.hl,.hero-p strong.hl{color:var(--accent);font-weight:600;font-feature-settings:"tnum" 1}.hero-cta{margin-top:8px}.hero-slot{position:relative;aspect-ratio:2 / 3;align-self:start;overflow:hidden}.hero-banner{width:100%;height:100%;object-fit:cover;display:block;mask-image:linear-gradient(to bottom,transparent 0%,#000 12%,#000 88%,transparent 100%),linear-gradient(to right,transparent 0%,#000 10%,#000 100%);mask-composite:intersect;-webkit-mask-image:linear-gradient(to bottom,transparent 0%,#000 12%,#000 88%,transparent 100%),linear-gradient(to right,transparent 0%,#000 10%,#000 100%);-webkit-mask-composite:source-in}.btn{font:500 13px/1 var(--sans);letter-spacing:.01em;padding:13px 20px;border:1px solid var(--ink-4);color:var(--ink);background:transparent;transition:color .15s,background .15s,border-color .15s;display:inline-flex;align-items:center;gap:10px;white-space:nowrap;border-radius:var(--radius);text-decoration:none}.btn:hover{border-color:var(--ink-2);background:var(--bg-2)}.btn:disabled{color:var(--ink-3);border-color:var(--ink-4);background:transparent;cursor:not-allowed}.btn.solid{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}.btn.solid:hover{background:var(--accent-2);border-color:var(--accent-2)}.btn.solid:disabled{background:transparent;color:var(--ink-3);border-color:var(--ink-4)}.btn.bare{border:0;padding:13px 4px;color:var(--ink-3);background:transparent}.btn.bare:hover{color:var(--ink);background:transparent}.btn.big{padding:16px 26px;font-size:14px}.claim-card,.history-card{background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius);padding:32px;margin-bottom:22px}.claim-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:28px;border-bottom:1px solid var(--rule);padding-bottom:18px}.claim-head h2{margin:0;font-family:var(--display);font-weight:500;font-size:28px;letter-spacing:-.025em;color:var(--ink);line-height:1.15}html[lang=zh] .claim-head h2{font-weight:600;font-size:24px;letter-spacing:-.01em}.who{display:inline-flex;align-items:baseline;gap:10px;flex-wrap:wrap}.who-label{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3)}.who-handle{font-family:var(--mono);font-size:13px;color:var(--ink)}.claim-form{display:flex;flex-direction:column;gap:22px}.field{display:flex;flex-direction:column;gap:8px}.field-label{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3)}.field>input[type=url],.field>input[type=text]{background:var(--bg-2);border:1px solid var(--rule);padding:14px 18px;font-family:var(--mono);font-size:14px;color:var(--ink);border-radius:var(--radius);transition:border-color .15s,background .15s;outline:none}.field>input:focus{border-color:var(--accent);background:var(--paper)}.field>input::placeholder{color:var(--ink-4)}.addr-input{display:flex;align-items:baseline;gap:8px;background:var(--bg-2);border:1px solid var(--rule);padding:14px 18px;font-family:var(--mono);font-size:14px;color:var(--ink);border-radius:var(--radius);transition:border-color .15s,background .15s}.addr-input:focus-within{border-color:var(--accent);background:var(--paper)}.addr-input input{border:0;background:transparent;outline:none;flex:1;font:inherit;color:inherit;padding:0;min-width:0}.addr-input input::placeholder{color:var(--ink-4)}.addr-input .state{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap;padding-left:10px;border-left:1px solid var(--ink-5)}.addr-input .state.ok{color:var(--ok);border-left-color:transparent;padding-left:6px;display:inline-flex;align-items:center}.addr-input .state.bad{color:var(--warn)}.addr-input .state .check{display:block}.claim-actions{display:flex;gap:14px;align-items:center;margin-top:4px}.tweet-embed{position:relative;display:flex;justify-content:center;min-height:120px}.tweet-embed-host{width:100%;display:flex;justify-content:center}.tweet-embed-host>*{margin:0!important}.tweet-embed-state{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);pointer-events:none}.tweet-embed-fallback{width:100%;padding:14px 16px;background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius);font-size:13px;color:var(--ink-2)}.tweet-embed-fallback p{margin:0 0 8px}.tweet-embed-fallback p:last-child{margin:0}.tweet-embed-fallback a{color:var(--accent);text-decoration:none}.tweet-embed-fallback a:hover{text-decoration:underline}.tweet-embed-fallback-text{font-family:var(--mono);white-space:pre-wrap;word-break:break-word;padding:10px 12px;background:var(--bg-2);border-radius:var(--radius);color:var(--ink);font-size:12.5px}.confirm{margin:4px 0 6px;padding:22px;background:var(--bg-2);border:1px solid var(--rule);border-radius:var(--radius);display:flex;flex-direction:column;gap:18px}.confirm-head{display:flex;flex-direction:column;gap:4px;padding-bottom:14px;border-bottom:1px solid var(--rule)}.confirm-title{font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-.01em;color:var(--ink)}.confirm-edit-note{font-family:var(--mono);font-size:10.5px;color:var(--ink-3);letter-spacing:.04em}.confirm-rows{display:flex;flex-direction:column;gap:10px}.confirm-row{display:flex;align-items:baseline;gap:16px}.confirm-row-label{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);min-width:80px}.confirm-row-value{font-family:var(--mono);font-size:13px;color:var(--ink);text-decoration:none}.confirm-row-value:hover{color:var(--accent-2)}.confirm-meta{color:var(--ink-3);margin-left:8px}.confirm-amount{display:flex;flex-direction:column;gap:6px;padding:16px 18px;background:var(--accent-soft);border:1px solid rgba(45,194,220,.25);border-radius:var(--radius)}.confirm-amount-label{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3)}.confirm-amount-value{display:flex;align-items:baseline;gap:10px;font-family:var(--display);color:var(--accent);font-variant-numeric:tabular-nums}.confirm-amount-value strong{font-size:40px;font-weight:600;letter-spacing:-.02em;line-height:1}.confirm-amount-unit{font-family:var(--mono);font-size:14px;color:var(--accent-2);letter-spacing:.12em;text-transform:uppercase}.confirm-cap-note{font-family:var(--mono);font-size:11px;color:var(--ink-3)}.confirm-to{display:flex;flex-direction:column;gap:6px}.confirm-to code{word-break:break-all;background:var(--paper);border:1px solid var(--rule);padding:8px 10px;font-size:12px;color:var(--ink-2)}.confirm-actions{display:flex;gap:12px;justify-content:flex-end}@media (max-width: 600px){.confirm-row{flex-direction:column;gap:4px}.confirm-row-label{min-width:0}.confirm-amount-value strong{font-size:32px}.confirm-actions{flex-direction:column-reverse}.confirm-actions .btn{width:100%;justify-content:center}}.alert{margin-top:18px;padding:14px 16px;border-radius:var(--radius);font-size:14px;line-height:1.55;border:1px solid var(--rule);background:var(--bg-2)}.alert.error{background:#d08e6e12;border-color:#d08e6e59;color:#f0c9b3}.alert.ok{background:var(--accent-soft);border-color:#2dc2dc59;color:var(--accent-2)}.alert code{color:inherit}.onchain-link{font-family:var(--mono);color:var(--accent-2);text-decoration:none;word-break:break-all;overflow-wrap:anywhere;transition:color .15s}.onchain-link code{background:transparent;padding:0;font-size:inherit;color:inherit}.onchain-link:hover{color:var(--accent);text-decoration:underline}.receipt{display:flex;flex-direction:column;gap:10px}.receipt-head{font-size:14.5px;line-height:1.5}.receipt-row{display:flex;align-items:baseline;gap:12px;font-size:12.5px}.receipt-label{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);flex-shrink:0;min-width:92px}.history-card h2{margin:0 0 18px;font-family:var(--display);font-weight:500;font-size:22px;letter-spacing:-.02em;color:var(--ink)}html[lang=zh] .history-card h2{font-weight:600}.history{width:100%;border-collapse:collapse;font-size:13px;font-family:var(--mono)}.history th,.history td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--rule);color:var(--ink)}.history th{color:var(--ink-3);font-weight:400;font-size:10px;text-transform:uppercase;letter-spacing:.16em}.history tbody tr:last-child td{border-bottom:none}.history a{color:var(--accent);text-decoration:none}.history a:hover{color:var(--accent-2);text-decoration:underline}.history-tx{font-size:11px;max-width:360px}.history-tx .onchain-link{line-height:1.3}@media (max-width: 700px){.history-tx{max-width:180px}}.colophon{margin-top:64px;padding-top:28px;border-top:1px solid var(--rule);display:flex;align-items:center;justify-content:space-between;gap:24px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.colophon .links{display:flex;gap:24px}.colophon a{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink-3);transition:color .15s}.colophon .ico{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.colophon a:hover{color:var(--ink)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}@media (max-width: 880px){.sheet{padding:24px 22px 64px}.mast{margin-bottom:36px}.hero{grid-template-columns:1fr;gap:36px;margin-bottom:56px}.hero-slot{display:none}.hero-head{font-size:42px}html[lang=zh] .hero-head{font-size:36px}.claim-card,.history-card{padding:22px}.claim-head{flex-direction:column;align-items:flex-start;gap:10px}.claim-head h2{font-size:24px}.colophon{flex-direction:column;gap:14px;align-items:flex-start}.colophon a{padding:14px 0;min-height:44px}.colophon .links{gap:8px;flex-wrap:wrap}}