:root{color-scheme:light;--ink:#153653;--muted:#64768a;--paper:#f7fcfb;--accent:#2ebba0;--line:#dcebe7;font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 90% 8%,#e5f8f1 0,transparent 42%),var(--paper)}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}a{color:#168571;text-underline-offset:4px}button,a,input,textarea:focus-visible{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}[hidden]{display:none!important}.topbar{height:88px;max-width:1320px;margin:auto;padding:22px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar img{width:152px;display:block}.back-link{font-weight:600;font-size:14px;text-decoration:none}main{max-width:1256px;margin:0 auto;padding:20px 32px 64px}.scene-tabs{display:flex;width:fit-content;border:1px solid var(--line);border-radius:30px;padding:5px;background:#fff;gap:4px}.scene-tabs a{padding:11px 22px;border-radius:25px;text-decoration:none;font-size:14px;font-weight:600;color:var(--muted)}.scene-tabs [aria-current]{background:#2ebba0;color:#fff}.intro{margin:32px 0}.eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:2px;color:#168571;margin-bottom:9px}.intro h1{font-size:38px;line-height:1.35;letter-spacing:-1px;margin:0 0 12px}.intro h1 span{color:#21a78d}.intro>p{font-size:15px;line-height:1.8;color:var(--muted);margin:0}.mobile-break{display:none}.features{display:flex;gap:10px;flex-wrap:wrap;margin-top:17px}.features span{font-size:12px;border:1px solid #d9e9e4;border-radius:8px;padding:5px 10px;background:#fff}.workspace{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(0,1.25fr);gap:24px;align-items:start}.panel{border:1px solid var(--line);background:#fff;border-radius:22px;padding:26px;box-shadow:0 12px 32px #125e4f0a}.section-heading{display:flex;align-items:flex-start;gap:12px;margin-bottom:24px}.step-number{flex:none;width:29px;height:29px;display:grid;place-items:center;border-radius:10px;background:#e8f8f2;color:#168571;font-size:14px;font-weight:700}.section-heading h2{margin:0;font-size:19px;line-height:1.5}.section-heading p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.7}form label{display:block;font-weight:600;font-size:13px;line-height:1.5;margin:0 0 18px}input:not([type=file]),textarea{width:100%;display:block;margin-top:7px;padding:11px 12px;border:1px solid #ccdcd6;border-radius:9px;background:#fff;color:var(--ink);font-size:14px;line-height:1.55}textarea{resize:vertical;min-height:76px}input::placeholder,textarea::placeholder{color:#8b9a9e;font-size:12px;font-weight:400}.field-row{display:grid;grid-template-columns:1fr 1.3fr;gap:12px}.counter{float:right;color:#809397;font-size:11px;font-weight:400}.photo-label{margin-bottom:8px}.photo-hint{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:3px}.photo-upload{border:1px dashed #b9d9cf;border-radius:12px;padding:15px;background:#f5fbf8;display:flex;align-items:center;gap:12px}.photo-upload img{width:60px;height:72px;object-fit:contain;background:#fff;border-radius:5px}.photo-upload input{width:100%;max-width:100%;font-size:12px}.photo-upload input::file-selector-button{border:1px solid #b9d9cf;background:#fff;border-radius:6px;padding:7px 11px;color:#296b59;cursor:pointer;margin-right:8px}.photo-upload p{font-size:11px;line-height:1.6;color:var(--muted);margin:7px 0 0}.privacy-note,.form-note{font-size:11px;line-height:1.7;color:var(--muted)}.privacy-note{margin:12px 0 20px}.primary{display:flex;justify-content:center;align-items:center;gap:12px;padding:14px 18px;width:100%;border:0;border-radius:11px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;font-size:15px;box-shadow:0 5px #249b84}.primary:hover{background:#27aa91}.form-note{text-align:center;margin:14px 0 0}.status{font-size:12px;line-height:1.65;color:#82600b;margin:12px 0 0;min-height:0}.status:empty{display:none}.preview-column{position:sticky;top:24px;min-width:0}.preview-frame{position:relative;border:1px solid #d8e5df;border-radius:10px;overflow:hidden;background:#fff;line-height:0}.preview-frame img{display:block;width:100%;aspect-ratio:16/9;object-fit:contain}.preview-frame>span{position:absolute;bottom:10px;left:10px;border-radius:6px;background:#ffffffed;color:#617a73;font-size:11px;padding:8px;line-height:1}.empty-note{padding:26px 4px 3px}.empty-note strong{font-size:14px}.empty-note p,.tips p,.downloads p{font-size:12px;line-height:1.8;color:var(--muted);margin:8px 0 0}.tips{padding:22px 20px}.tips h3{font-size:13px;margin:0}.downloads{margin-top:22px}.secondary-downloads{display:flex;justify-content:center;gap:22px;margin:22px 0 16px;font-size:13px}.downloads p{border-top:1px solid var(--line);padding-top:14px}dialog{width:min(430px,calc(100% - 32px));border:1px solid var(--line);border-radius:22px;padding:30px;background:#fff;color:var(--ink)}dialog::backdrop{background:#11393280;backdrop-filter:blur(3px)}dialog h2{font-size:24px;margin:0 0 12px}dialog p{font-size:13px;color:var(--muted);line-height:1.7}dialog .primary{margin-top:20px}.dialog-close{position:absolute;right:16px;top:12px;background:none;border:0;font-size:27px;color:var(--muted)}@media(max-width:760px){.topbar{height:72px;padding:18px 20px}.topbar img{width:125px}.back-link{font-size:12px}main{padding:12px 18px 36px}.scene-tabs{width:100%;padding:4px;gap:2px}.scene-tabs a{flex:1;text-align:center;padding:11px 6px;font-size:13px}.intro{margin:26px 2px}.intro h1{font-size:28px;letter-spacing:-.6px}.mobile-break{display:block}.intro>p{font-size:13px}.features{gap:6px}.features span{font-size:10px;padding:5px 7px}.workspace{display:flex;flex-direction:column;gap:18px}.panel{padding:20px 17px;border-radius:18px;width:100%}.editor{order:1}.preview-column{order:2;position:static;width:100%}.section-heading{gap:10px;margin-bottom:20px}.section-heading h2{font-size:18px}.field-row{gap:9px}.tips{padding:20px 12px}input:not([type=file]),textarea{font-size:16px}.photo-upload{padding:12px}.secondary-downloads{gap:18px}form label{margin-bottom:17px}}.preview-full{display:block;width:fit-content;margin:12px auto 0;font-size:12px;text-decoration:none;padding:8px 12px;border:1px solid var(--line);border-radius:8px}