:root{color-scheme:light;--bg: #f4efe7;--bg-accent: #e3d6bf;--panel: rgba(255, 250, 242, .82);--panel-strong: #fff8ed;--ink: #1d1b18;--muted: #62594f;--line: rgba(79, 63, 43, .16);--brand: #c85f2d;--brand-dark: #8b3711;--success: #226645;--shadow: 0 24px 60px rgba(76, 50, 24, .14);font-family:Segoe UI,Noto Sans TC,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);background:radial-gradient(circle at top left,rgba(255,255,255,.72),transparent 28%),radial-gradient(circle at right center,rgba(200,95,45,.12),transparent 24%),linear-gradient(145deg,var(--bg) 0%,#f8f5ef 46%,var(--bg-accent) 100%)}body:before,body:after{content:"";position:fixed;inset:auto;width:280px;height:280px;border-radius:999px;filter:blur(18px);z-index:0;pointer-events:none}body:before{top:-60px;right:-50px;background:#de945d2e}body:after{bottom:-90px;left:-60px;background:#7a54b814}.shell{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:56px 20px 72px}.hero{max-width:760px;margin-bottom:28px}.eyebrow{margin:0 0 10px;font-size:.82rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--brand-dark)}.hero h1{margin:0;font-size:clamp(2.4rem,5vw,4.8rem);line-height:.96;letter-spacing:-.04em}.lede{max-width:62ch;margin:18px 0 0;font-size:1.06rem;line-height:1.7;color:var(--muted)}.panel{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.9fr);gap:20px;align-items:stretch}.upload-card,.status-card,.note{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:var(--panel);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.upload-card{padding:24px}.file-picker{display:block;padding:28px;border:1.5px dashed rgba(139,55,17,.35);border-radius:22px;background:linear-gradient(180deg,#ffffff85,#fffaf2f0);cursor:pointer;transition:transform .16s ease,border-color .16s ease}.file-picker:hover{transform:translateY(-1px);border-color:#8b371199}.file-picker span{display:block;font-size:1.2rem;font-weight:700}.file-picker small{display:block;margin-top:8px;color:var(--muted)}#video-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}.field{display:grid;gap:8px;font-weight:600}.field span{font-size:.95rem}.field input,.field select{width:100%;padding:14px 16px;border:1px solid rgba(95,73,47,.18);border-radius:16px;background:#ffffffe0;color:var(--ink);font:inherit}.primary-button,.download-link{display:inline-flex;align-items:center;justify-content:center;margin-top:22px;min-height:54px;padding:0 24px;border:none;border-radius:999px;font:inherit;font-weight:700;text-decoration:none}.primary-button{width:100%;background:linear-gradient(135deg,var(--brand) 0%,#df7b49 100%);color:#fff;cursor:pointer;transition:transform .16s ease,opacity .16s ease}.primary-button:hover:not(:disabled){transform:translateY(-1px)}.primary-button:disabled{cursor:wait;opacity:.72}.status-card{display:grid;gap:22px;padding:24px}.status-label{margin:0 0 8px;color:var(--muted)}.status-text{margin:0;font-size:1.35rem;font-weight:700;line-height:1.4}.progress-meta{display:flex;justify-content:space-between;margin-bottom:8px;color:var(--muted)}.progress-track{overflow:hidden;width:100%;height:14px;border-radius:999px;background:#63482f1f}.progress-bar{width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#eb9366,#c85f2d);transition:width .18s ease}.file-meta{display:grid;gap:12px;margin:0}.file-meta div{padding:14px 16px;border-radius:18px;background:var(--panel-strong);border:1px solid rgba(95,73,47,.12)}.file-meta dt{margin-bottom:6px;font-size:.84rem;color:var(--muted)}.file-meta dd{margin:0;font-weight:700;word-break:break-word}.download-link{width:100%;background:var(--success);color:#fff}.hidden{display:none}.notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:20px}.note{padding:22px}.note h2{margin:0 0 10px;font-size:1.04rem}.note p{margin:0;line-height:1.7;color:var(--muted)}@media(max-width:900px){.panel,.notes,.field-grid{grid-template-columns:1fr}.shell{padding-top:36px}.hero h1{line-height:1.04}}