:root{--bg:#f5f7f2;--ink:#17210f;--muted:#6b7562;--green:#244600;--red:#f3082f;--line:#dde5d6;--card:#fff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif}.topbar{height:64px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2}.topbar strong{font-size:20px;margin-right:12px}.topbar span,.hint{color:var(--muted);font-size:14px}.layout{display:grid;grid-template-columns:minmax(420px,640px) 1fr;gap:28px;padding:28px;max-width:1440px;margin:0 auto}.panel{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 12px 35px rgba(36,70,0,.07)}h2{font-size:18px;margin:4px 0 16px}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:1fr 1fr}label{display:grid;gap:7px;font-weight:700;font-size:14px}input,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 12px;font:inherit;background:#fbfcfa}textarea{resize:vertical;line-height:1.55}button,.actions a{border:0;border-radius:12px;background:var(--green);color:#fff;padding:11px 18px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}button:hover{filter:brightness(1.08)}.actions{display:flex;gap:12px;align-items:center;margin:18px 0 26px;flex-wrap:wrap}details{margin-top:14px;border:1px dashed var(--line);border-radius:14px;padding:12px}summary{cursor:pointer;font-weight:800}.more-fields{margin-top:14px}.preview-wrap{display:flex;justify-content:center;align-items:flex-start;position:sticky;top:92px;height:calc(100vh - 112px)}.phone{background:#17210f;border-radius:28px;padding:14px;box-shadow:0 24px 70px rgba(0,0,0,.25);max-height:100%;overflow:auto}.phone img{width:min(420px,40vw);display:block;border-radius:12px;background:#fff}.admin{max-width:900px;margin:36px auto;background:#fff;padding:28px;border-radius:22px;border:1px solid var(--line)}pre{background:#10200c;color:#d9ffd0;padding:14px;border-radius:12px;white-space:pre-wrap;min-height:52px}@media(max-width:980px){.layout{grid-template-columns:1fr}.preview-wrap{position:static;height:auto}.phone img{width:100%}.grid.two{grid-template-columns:1fr}}
.csv-editor{display:grid;grid-template-columns:42px 1fr;border:1px solid var(--line);border-radius:12px;background:#fbfcfa;overflow:hidden}.csv-editor textarea{border:0;border-radius:0;background:transparent;min-height:216px;padding-left:12px;resize:vertical;white-space:pre;overflow:auto}.line-numbers{padding:11px 10px;text-align:right;color:var(--muted);background:#f0f4ec;border-right:1px solid var(--line);font:inherit;line-height:1.55;user-select:none;overflow:hidden;white-space:normal}