:root{--ink:#162b38;--muted:#71808c;--line:#e1ebe8;--green:#0c997a}*{box-sizing:border-box}body{margin:0;background:linear-gradient(155deg,#f1faf7,#f8fbfd);color:var(--ink);font:15px/1.65 "Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;min-height:100vh}a{color:#07856b;text-decoration:none}a:hover{text-decoration:underline}.offers-page{max-width:800px;margin:0 auto;padding:28px 24px 40px}.offers-nav{display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:13px}.offers-intro{padding:40px 0 24px}.offers-tag{display:inline-block;padding:5px 11px;border-radius:99px;background:#e2f5ed;color:#078064;font-size:12px;font-weight:700;letter-spacing:.5px}h1{font-size:32px;letter-spacing:-.8px;line-height:1.3;margin:16px 0 10px}.offers-intro p{margin:0;color:var(--muted)}.offers-points{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px;font-size:13px;color:#42685a}.offers-points span:before{content:"✓";margin-right:6px;color:var(--green)}.offers-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 12px 36px #18473208}.offers-card h2{font-size:18px;margin:0 0 12px}.offers-guide{font-size:14px;color:var(--muted);margin:0 0 22px}label{display:block;font-size:14px;font-weight:600;margin-bottom:9px}textarea{display:block;resize:vertical;width:100%;min-height:180px;padding:14px;border:1px solid #dbe6e2;border-radius:10px;background:#f8fbfa;color:var(--ink);font:14px/1.65 ui-monospace,Consolas,monospace;overflow-wrap:anywhere}textarea:focus{outline:3px solid #d6f4e9;border-color:#53b99f}.offers-private{font-size:12px;color:var(--muted);margin:10px 0 20px}.offers-actions{display:flex;gap:10px;flex-wrap:wrap}button{font:inherit;font-weight:600;min-height:44px;border-radius:9px;padding:10px 18px;cursor:pointer}.offers-primary{border:1px solid var(--green);background:var(--green);color:#fff}.offers-primary:hover{background:#07886c}.offers-clear{border:1px solid var(--line);background:#fff;color:var(--muted)}button:disabled{opacity:.6;cursor:wait}.offers-note{font-size:12px;color:var(--muted);margin:22px 0 0;padding-top:18px;border-top:1px solid #edf2ef}.alert{padding:14px 16px;border-radius:10px;font-size:14px;margin-top:20px;overflow-wrap:anywhere}.alert[hidden]{display:none}.alert-info{background:#eef5fc;color:#28547a}.alert-success{background:#e8f8ef;color:#08794d}.alert-warning{background:#fff4df;color:#91621b}.offers-footer{color:var(--muted);text-align:center;font-size:13px;padding-top:24px}a:focus-visible,button:focus-visible{outline:3px solid #8bd9c5;outline-offset:3px}@media(max-width:520px){.offers-page{padding:20px 16px 30px}.offers-intro{padding-top:30px}h1{font-size:28px}.offers-card{padding:22px 18px;border-radius:14px}.offers-nav{font-size:12px}.offers-actions .offers-primary{flex:1}.offers-guide a{overflow-wrap:anywhere}}