:root{--ink:#243c32;--green:#246747;--soft:#eaf0e8;--muted:#738078;--line:#e0e5dc;--paper:#f6f7f2}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px}button,input,select{font:inherit}button,label.upload,label.avatar-card{cursor:pointer}button{transition:background .2s,transform .2s}button:active{transform:scale(.98)}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible,label:focus-within{outline:3px solid #8cba85;outline-offset:3px}header{max-width:1240px;margin:auto;padding:26px 30px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);font-weight:700;font-size:20px}.brand-icon{background:var(--green);color:white;width:34px;height:34px;display:grid;place-items:center;border-radius:11px;font-size:25px}.tag{font-size:11px;font-weight:400;background:#e9ede4;padding:5px 8px;border-radius:5px;margin-left:5px}.local-badge{font-size:12px;color:var(--green)}main{max-width:1180px;margin:auto;padding:0 30px}.intro{padding:46px 0 34px}.eyebrow{font-size:10px;letter-spacing:2px;color:#829180;margin-bottom:15px}h1{font-family:"Songti SC","SimSun",serif;font-size:44px;letter-spacing:1px;margin:0;font-weight:600}h1 span{color:var(--green)}.intro p{color:var(--muted);font-size:15px;margin:15px 0 0}.workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:24px;align-items:start}.controls{background:white;border:1px solid var(--line);border-radius:20px;padding:0 24px}.step{padding:24px 0;border-bottom:1px solid 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