:root{--bg:#f3f5f1;--surface:#fff;--ink:#243a30;--muted:#627468;--line:#dce4dc;--green:#256b52;--soft:#e9f0e8;--amber:#865423;--warm:#fff4e6;--radius:16px}*{box-sizing:border-box}body{margin:0;font:15px/1.7 -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg)}a{color:var(--green);text-underline-offset:4px}button,input,select,textarea{font:inherit}button{cursor:pointer;background:var(--surface);color:var(--ink);border:1px solid var(--line);padding:8px 13px;border-radius:9px}button:hover{background:var(--soft)}button.active,.primary{background:var(--green);color:var(--surface);border-color:var(--green)}:focus-visible{outline:3px solid var(--green);outline-offset:3px}header{display:flex;justify-content:space-between;gap:20px;padding:28px 4vw 22px;background:var(--surface);border-bottom:1px solid var(--line)}header h1{margin:5px 0;font-size:28px;line-height:1.4}header h1 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