:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#233039;background:#f4f6f8;font-synthesis:none;--muted:#75808b;--accent:#247d75;--border:#e3e8e9}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 15% 20%,#e2efec77,transparent 48%),radial-gradient(ellipse at 85% 40%,#e8e9f166,transparent 45%);min-height:100vh}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.wrap{width:min(100% - 64px,1032px);margin-inline:auto}.header{height:106px;display:flex;justify-content:space-between;align-items:center}.brand{font-size:18px;font-weight:700;letter-spacing:.025em;display:flex;gap:12px;align-items:center}.brand-sub{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:500}.mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:#e2eeeb;color:var(--accent);font-size:13px}.status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);padding:8px 12px;background:#ffffff99;border:1px solid var(--border);border-radius:30px}.status i{width:6px;height:6px;border-radius:100%;background:#b7bec4}.status.ready i{background:#48a48a}.hero{padding:64px 0 38px}.eyebrow,.step{font-size:11px;font-weight:600;letter-spacing:.15em;color:var(--accent);margin:0 0 17px}.hero h1{font-size:clamp(40px,5.5vw,60px);letter-spacing:-.045em;font-weight:640;line-height:1.28;margin:0 0 24px}.hero h1 span{color:var(--accent)}.intro{font-size:15px;line-height:1.9;color:var(--muted);margin:0}.panel{background:#ffffffed;border:1px solid #fff;border-radius:20px;padding:30px;margin:20px 0;box-shadow:0 8px 32px #293c4910}.panel-heading{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:25px}.panel .step{font-size:10px;margin-bottom:10px}h2{font-size:20px;font-weight:600;letter-spacing:-.02em;margin:0}h3{font-size:16px;font-weight:600;line-height:1.5}.chip{color:var(--accent);background:#eef5f2;padding:7px 10px;border-radius:7px;font-size:11px;white-space:nowrap}.input-row{display:flex;gap:10px}.input-row input{width:100%;min-width:0;border:1px solid var(--border);background:#fafbfc;border-radius:10px;padding:15px;font-size:14px;color:#25363d;outline:none}.input-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #247d7514}.button{min-height:48px;border:1px solid transparent;border-radius:10px;padding:0 20px;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:18px;font-size:13px;font-weight:550;transition:background .15s,transform .15s}.button:active:not(:disabled){transform:translateY(1px)}.primary{background:var(--accent);color:#fff}.primary:hover:not(:disabled){background:#1c6963}.secondary{background:#fff;border-color:var(--border);color:#4c5b63}.secondary:hover:not(:disabled){background:#f5f8f7}.hint{color:var(--muted);font-size:11px;line-height:1.9;margin:15px 0 0}.notice{background:#fff5df;border:1px solid #ebdbb5;color:#856d3c;border-radius:12px;font-size:13px;line-height:1.8;padding:15px 20px}.error{background:#fff1ef;color:#9b4b42;border:1px solid #eed1cc;font-size:13px;line-height:1.8;border-radius:12px;padding:16px 20px;overflow-wrap:anywhere}.media{display:flex;gap:20px;align-items:center;margin-bottom:24px}.media img{width:160px;max-height:100px;object-fit:cover;border-radius:10px;background:#eef2f3}.media h3{margin:0 0 7px;overflow-wrap:anywhere}.media p{margin:0;color:var(--muted);font-size:12px}fieldset{border:0;padding:0;margin:0}.formats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.format{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--border);border-radius:10px;padding:14px;font-size:13px;cursor:pointer}.format:has(input:checked){border-color:var(--accent);background:#f2f8f5}.format:has(input:disabled){opacity:.45;cursor:default}.format input{accent-color:var(--accent);margin:3px 0 0}.format small{display:block;color:var(--muted);font-size:11px;margin-top:5px;line-height:1.6}.actions{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:22px}.actions .hint{margin:0}.task-name{color:var(--muted);font-size:13px;line-height:1.6;margin:16px 0 24px;overflow-wrap:anywhere}.progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:10px}progress{width:100%;height:7px;border:0;border-radius:10px;appearance:none;accent-color:var(--accent)}progress::-webkit-progress-bar{background:#e9efec;border-radius:10px}progress::-webkit-progress-value{background:var(--accent);border-radius:10px}.downloads{display:flex;flex-direction:column;gap:10px;margin:20px 0 12px}.downloads a{justify-content:space-between;white-space:normal;text-align:left;line-height:1.6;overflow-wrap:anywhere;padding-block:14px}.text-button{padding:0;background:none;border:0;color:var(--accent);font-size:12px;margin-top:25px}.how{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin:44px 10px 32px}.how b{font-size:11px;letter-spacing:.1em;color:#9ba9ad;font-weight:500}.how h3{font-size:13px;margin:12px 0 7px}.how p,.footnote{font-size:11px;line-height:1.9;color:var(--muted);margin:0}.footnote{margin:32px 10px}.footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--border);padding:24px 0 35px;margin-top:60px;color:#96a1a8;font-size:10px;letter-spacing:.05em}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
@media(max-width:640px){.wrap{width:calc(100% - 36px)}.header{height:80px}.brand{font-size:15px;gap:8px}.brand-sub{font-size:10px}.status{font-size:10px;padding:7px 9px}.hero{padding:38px 4px 24px}.hero h1{font-size:40px}.intro{font-size:13px}.desktop-break{display:none}.panel{padding:22px 18px;border-radius:16px}.panel-heading{margin-bottom:20px;align-items:flex-start}.chip{font-size:10px;padding:6px 8px}h2{font-size:18px}.input-row{flex-wrap:wrap;gap:9px}.input-row input{flex-basis:100%;font-size:16px;min-height:52px}.input-row .primary{flex:1}.formats{grid-template-columns:1fr}.media{gap:14px;align-items:flex-start}.media img{width:95px;height:70px}.media h3{font-size:14px}.actions{align-items:stretch;flex-direction:column}.actions .button{width:100%}.how{gap:20px;margin-inline:4px}.how p{font-size:10px}.how h3{font-size:12px}.footer{margin-top:40px;font-size:9px}.footnote{margin-inline:4px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}