:root{--bg: #f7f4ef;--bg-deep: #efe8df;--ink: #1f1e1b;--muted: #6b6862;--accent: #ff6b35;--accent-dark: #cc4b1b;--accent-soft: #ffe1d6;--panel: #ffffff;--line: rgba(31, 30, 27, .1);--shadow: 0 24px 60px rgba(31, 30, 27, .12)}*{box-sizing:border-box}body{margin:0;font-family:Noto Sans TC,sans-serif;background:radial-gradient(circle at top left,#fff7f1,transparent 55%),radial-gradient(circle at 10% 80%,#f5ede3,transparent 50%),linear-gradient(140deg,var(--bg),var(--bg-deep));color:var(--ink);min-height:100vh}.bg-grid{position:fixed;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(31,30,27,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(31,30,27,.05) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:radial-gradient(circle at 20% 10%,rgba(0,0,0,.8),transparent 70%);mask-image:radial-gradient(circle at 20% 10%,rgba(0,0,0,.8),transparent 70%);pointer-events:none}.app{position:relative;max-width:980px;margin:0 auto;padding:20px 24px 40px;display:flex;flex-direction:column;gap:16px;animation:fadeUp .8s ease}.hero h1{font-family:Space Grotesk,sans-serif;font-size:clamp(2.4rem,4vw,3.5rem);margin:4px 0 6px}.hero p{max-width:640px;color:var(--muted);margin:0;line-height:1.7}.hero__badge{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;padding:6px 14px;border-radius:999px;background:var(--accent-soft);color:var(--accent-dark);font-weight:600}.hero__alert{margin-top:14px;display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;background:#1f1e1b14;color:var(--ink);font-weight:600}.panel{background:var(--panel);padding:24px;border-radius:24px;box-shadow:var(--shadow);border:1px solid var(--line)}.panel__header{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.panel__header h2{margin:0;font-size:1.4rem}.panel__note{color:var(--muted);font-size:.9rem}.drop{display:block;position:relative;border-radius:20px;border:1.5px dashed rgba(31,30,27,.2);background:linear-gradient(130deg,#fff,#fff7f1);padding:28px;text-align:center;transition:border .2s ease,transform .2s ease}.drop:hover{border-color:var(--accent);transform:translateY(-2px)}.drop.is-dragging{border-color:var(--accent);background:#fff2eb}.drop input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.drop__content{display:flex;flex-direction:column;gap:8px;align-items:center}.drop__icon{width:42px;height:42px;border-radius:12px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:1.2rem}.drop__text strong{display:block;font-size:1rem}.drop__text span{color:var(--muted);font-size:.9rem}.file-meta{display:flex;justify-content:space-between;margin-top:14px;padding:10px 0 4px;color:var(--muted);font-size:.95rem}.file-meta__name{font-weight:600;color:var(--ink)}.options{display:grid;gap:16px;margin-top:18px;padding:16px;border-radius:18px;border:1px solid var(--line);background:#ffffffb3}.option{display:flex;flex-direction:column;gap:8px}.option__label{font-weight:600;font-size:.95rem}.option__row{display:flex;align-items:center;gap:12px}.option__range{flex:1}.option__value{min-width:3.2rem;font-family:Space Grotesk,sans-serif;font-weight:600}.option__select{padding:10px 12px;border-radius:12px;border:1px solid var(--line);font-weight:600;background:#fff}.option__hint{margin:0;color:var(--muted);font-size:.85rem;line-height:1.6}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.btn{border:1px solid var(--line);background:#fff;padding:10px 20px;border-radius:12px;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.btn--primary{background:var(--accent);border-color:transparent;color:#fff;box-shadow:0 14px 28px #ff6b354d}.btn--ghost{background:#fdf3ee;border-color:transparent;color:var(--accent-dark)}.btn:not(:disabled):hover{transform:translateY(-1px)}.status{background:#ffffffbf;border-radius:24px;padding:22px;border:1px solid var(--line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.status__head{display:flex;align-items:center;justify-content:space-between;gap:16px}.status__head h3{margin:0}#statusLabel{margin:6px 0 0;color:var(--muted)}.status__progress{font-family:Space Grotesk,sans-serif;font-size:1.4rem}.progress{height:10px;border-radius:999px;background:#1f1e1b14;overflow:hidden;margin:14px 0}.progress__bar{height:100%;background:linear-gradient(90deg,var(--accent),#ffb199);transition:width .2s ease}.log{min-height:84px;background:#fff;border-radius:16px;padding:14px;border:1px solid var(--line);font-size:.9rem;color:var(--muted);line-height:1.6;max-height:180px;overflow-y:auto}.foot{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.9rem}.foot__dot{opacity:.4}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 720px){.status__head{flex-direction:column;align-items:flex-start}.file-meta{flex-direction:column;gap:6px}}