:root{--paper: #f4efe4;--card: #fbf8f1;--ink: #211d18;--muted: #8a8073;--line: #e4dccb;--accent: #0f6e63;--accent-ink: #0a4d45;--bad: #b23a2e;--radius: 20px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Noto Sans TC,system-ui,sans-serif;color:var(--ink);background-color:var(--paper);background-image:radial-gradient(120% 90% at 50% -10%,#fdfbf6,#fdfbf600 55%),radial-gradient(90% 70% at 100% 0%,#0f6e6312,#0f6e6300 60%);-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.4;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' 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6px,var(--card) 6.5px) 0 0 / 20px 14px repeat-x;border-top:1px dashed var(--line)}.stub__row{display:flex;align-items:baseline;justify-content:space-between}.stub__label{font-size:12px;letter-spacing:2px;color:var(--muted)}.stub__period{font-family:Spline Sans Mono,monospace;font-weight:600;font-size:20px;color:var(--ink)}.stub__hi{font-family:Fraunces,serif;font-size:30px;font-weight:600;line-height:1.15;margin:12px 0 14px}.stub__row--amt{padding-top:12px;border-top:1px solid var(--line)}.stub__plan{font-weight:500}.stub__amt{font-family:Spline Sans Mono,monospace;font-weight:600;font-size:22px;color:var(--accent-ink)}.body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:16px}.plans{border:0;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.plans legend{font-size:12px;letter-spacing:2px;color:var(--muted);margin-bottom:8px}.plan{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;transition:border-color .15s,background .15s}.plan input{accent-color:var(--accent)}.plan--on{border-color:var(--accent);background:#0f6e630d}.plan__name{flex:1;font-weight:500}.plan__amt{font-family:Spline Sans Mono,monospace;color:var(--muted)}.drop{display:block;position:relative;border:1.5px dashed var(--line);border-radius:14px;background:#fffdf8;cursor:pointer;transition:border-color .15s,background .15s;overflow:hidden}.drop:hover{border-color:var(--accent)}.drop--has{border-style:solid}.drop input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.drop__hint{display:flex;flex-direction:column;align-items:center;gap:6px;padding:36px 16px;text-align:center;color:var(--ink)}.drop__icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-size:24px;background:#0f6e631a;color:var(--accent-ink)}.drop__img{display:block;width:100%;max-height:320px;object-fit:contain;background:#f1ece1}.note{width:100%;min-height:64px;resize:vertical;font-family:inherit;font-size:15px;color:var(--ink);padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fffdf8}.note:focus,.drop:focus-within{outline:2px solid rgba(15,110,99,.35);outline-offset:1px}.submit{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;cursor:pointer;font-family:inherit;font-weight:700;font-size:16px;color:#fdfbf6;background:var(--accent);padding:15px;border-radius:12px;box-shadow:0 8px 18px -8px #0f6e63b3;transition:transform .12s,background .15s,opacity .15s}.submit:hover:not(:disabled){background:var(--accent-ink)}.submit:active:not(:disabled){transform:translateY(1px)}.submit:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.error{color:var(--bad);font-size:14px;font-weight:500;background:#b23a2e14;padding:10px 12px;border-radius:10px}.muted{color:var(--muted)}.small{font-size:12.5px;line-height:1.5}.center{text-align:center;margin:2px 0 0}code{font-family:Spline Sans Mono,monospace;font-size:.9em}.state{padding:40px 28px 44px;text-align:center}.state h2{font-family:Fraunces,serif;font-weight:600;margin:18px 0 8px}.state p{margin:0 auto;max-width:30ch}.state__mark{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin:0 auto;font-size:30px;font-weight:700;animation:pop .4s cubic-bezier(.2,1.4,.4,1) both}.state__mark--ok{background:#0f6e631f;color:var(--accent-ink)}.state__mark--bad{background:#b23a2e1f;color:var(--bad)}@keyframes pop{0%{transform:scale(.3);opacity:0}to{transform:none;opacity:1}}.loading{padding:60px;text-align:center;color:var(--muted)}.foot{font-size:12px;letter-spacing:1px;color:var(--muted)}