:root{--ink:#24322e;--muted:#68756e;--line:#dce2db;--paper:#f6f7f2;--accent:#235a46;--soft:#e8eee5}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);background:white;color:var(--ink);border-radius:8px;padding:9px 16px}button:disabled{opacity:.5;cursor:wait}a{color:var(--accent)}.primary{background:var(--accent);border-color:var(--accent);color:white;font-weight:600}.large{width:100%;padding:15px;margin-top:14px}.quiet{background:transparent;border:0}.text-button{background:transparent;border:0;color:var(--accent);padding-left:0}header{display:flex;align-items:center;justify-content:space-between;padding:20px 5%;background:white;border-bottom:1px solid var(--line)}.wordmark{text-decoration:none;color:var(--ink);font-size:19px;font-weight:700}.wordmark span{font-size:11px;letter-spacing:1px;background:var(--soft);padding:4px 8px;margin-left:10px;color:var(--muted)}nav{display:flex;gap:12px;align-items:center;padding:12px 5%;border-bottom:1px solid var(--line);background:white;flex-wrap:wrap}nav button{border:0;background:none}nav .selected{background:var(--soft);color:var(--accent);font-weight:600}nav a{font-size:13px;text-decoration:none}main{max-width:1180px;margin:auto;padding:30px 24px 80px}.intro{margin:16px 0 28px}.eyebrow,.step{font-size:12px;letter-spacing:1px;color:var(--muted);font-weight:600}h1{font-size:32px;line-height:1.3;margin:12px 0}h2{font-size:20px;margin:20px 0 14px}p{color:var(--muted)}.layout{display:grid;grid-template-columns:1.6fr 1fr;gap:22px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:26px;margin-bottom:20px}.step{margin-bottom:16px}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.product-choice{display:flex;gap:12px;align-items:center;text-align:left;padding:10px}.product-choice img{width:58px;height:78px;object-fit:cover;border-radius:5px}.product-choice.active{border:2px solid var(--accent);padding:9px;background:#f5f8f3}.product-choice small{display:block;color:var(--muted)}hr{border:0;border-top:1px solid var(--line);margin:22px 0}.controls{display:flex;flex-wrap:wrap;gap:18px;align-items:end}.controls label{flex:1;min-width:150px}label{display:block;color:var(--muted);font-size:13px;margin:12px 0}input,select,textarea{display:block;margin-top:7px;width:100%;padding:11px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--ink)}textarea{resize:vertical}.hint{font-size:12px}.estimate{background:var(--soft);padding:14px;border-radius:8px;font-size:13px}.preview-panel img{width:100%;max-height:370px;object-fit:contain;background:var(--paper)}.preview-panel h2{margin-bottom:4px}.points{padding-left:20px;font-size:14px}.section-head{display:flex;justify-content:space-between;align-items:center}.task{background:white;border:1px solid var(--line);border-radius:12px;padding:22px;margin:16px 0}.task-head{display:flex;justify-content:space-between;gap:12px}.badge{background:var(--soft);color:var(--accent);border-radius:4px;padding:3px 9px;font-size:12px;white-space:nowrap}.outputs{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px}.output video{width:100%;max-height:400px;background:#111;border-radius:7px}.output p{font-size:13px}.output a{display:inline-block;padding:8px 15px;border-radius:6px;background:var(--accent);color:white;text-decoration:none;margin-right:6px}.output button{font-size:12px}.error{color:#964922;background:#fff5e9;padding:12px;border-radius:6px}.catalogue{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.catalogue article{background:white;padding:18px;border:1px solid var(--line);border-radius:8px}.catalogue img{height:200px;width:100%;object-fit:contain}.draft-images{display:flex;gap:10px}.draft-images img{width:140px;height:190px;object-fit:contain}.login{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{background:white;border:1px solid var(--line);border-radius:14px;padding:42px;width:min(100%,440px)}.login-card h1{font-size:36px}.login-card .primary{width:100%;margin-top:14px}footer{text-align:center;font-size:12px;color:var(--muted);padding:25px;border-top:1px solid var(--line)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:12px 24px;border-radius:8px;max-width:90vw;z-index:99}dialog{border:1px solid var(--line);border-radius:12px;max-width:500px;padding:28px}progress{width:100%;height:8px;accent-color:var(--accent)}[hidden]{display:none!important}@media(max-width:760px){.layout{grid-template-columns:1fr}.preview-panel{display:none}main{padding:18px 16px 50px}header{padding:16px}.wordmark{font-size:16px}.product-grid{grid-template-columns:1fr}.panel{padding:20px}h1{font-size:27px}.task-head{flex-wrap:wrap}nav{gap:2px;padding:8px 12px}.outputs{grid-template-columns:1fr 1fr}}