:root{--bg: #eef3f0;--ink: #14241c;--muted: #5d7267;--brand: #1c6b4a;--brand-strong: #145239;--panel: rgba(255, 255, 255, .92);--line: rgba(20, 36, 28, .1);--danger: #b42318;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top right,rgba(28,107,74,.14),transparent 40%),linear-gradient(180deg,#dce8e1,var(--bg) 42%)}.page{width:min(720px,calc(100% - 28px));margin:0 auto;padding:28px 0 48px}.hero h1{margin:0;font-size:clamp(26px,5vw,34px);letter-spacing:-.02em}.eyebrow{margin:0 0 8px;color:var(--brand);font-size:13px;font-weight:600}.sub,.desc,.empty,.tip{color:var(--muted)}.sub{margin:8px 0 0}.badge{display:inline-block;margin-top:12px;padding:6px 12px;border-radius:999px;background:var(--brand);color:#fff;font-size:13px}.error,.tip{margin:12px 0 0;padding:10px 12px;border-radius:12px}.error{background:#fef3f2;color:var(--danger)}.tip{background:#1c6b4a14}.panel{margin-top:14px;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}.panel.muted{opacity:.85}.panel h2{margin:0 0 10px;font-size:17px}.field{display:grid;gap:6px;margin-bottom:12px;font-size:13px;color:var(--muted)}.field input{border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:14px}.actions{display:flex;flex-wrap:wrap;gap:8px}.btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;font-size:14px;cursor:pointer}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand-strong)}.btn.ghost{padding:6px 10px;font-size:12px;background:transparent}.btn:disabled{opacity:.5;cursor:not-allowed}.list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.card{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff}.card.unread{border-color:#1c6b4a59;box-shadow:inset 3px 0 0 var(--brand)}.card-head{display:flex;justify-content:space-between;gap:8px;align-items:center}.tag{font-size:12px;color:var(--muted)}.body,.reply{margin:8px 0 0;white-space:pre-wrap;font-family:inherit;font-size:13px;line-height:1.5;color:var(--ink)}.card-foot{margin-top:10px;display:flex;justify-content:space-between;align-items:center;gap:8px}time{font-size:12px;color:var(--muted)}