:root{--primary: #0b5e4b;--primary-dark: #084536;--primary-light: #147a62;--primary-soft: #e6f4ef;--accent: #c8782a;--accent-soft: #fdf0e4;--bg: #eef3f0;--sidebar: #0c322a;--card: #ffffff;--text: #1a2421;--muted: #5c6b65;--border: #e2e8e5;--danger: #c0392b;--success: #1e8449;--warning: #d68910;--shadow: 0 8px 28px rgba(11, 94, 75, .08);--radius: 14px}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;font-family:Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);background:radial-gradient(ellipse 80% 40% at 0% 0%,rgba(11,94,75,.06),transparent 55%),var(--bg)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;padding:9px 16px;cursor:pointer;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:14px;font-weight:600;box-shadow:0 6px 16px #0b5e4b2e;transition:transform .12s ease,opacity .12s ease}.btn:hover{opacity:.94}.btn:active{transform:scale(.98)}.btn.ghost{background:var(--primary-soft);color:var(--primary);box-shadow:none}.btn.danger{background:var(--danger);box-shadow:0 6px 16px #c0392b2e}.btn.warn{background:linear-gradient(135deg,var(--accent),#d4924a);box-shadow:0 6px 16px #c8782a33}.btn:disabled{opacity:.6;cursor:not-allowed}.card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid rgba(11,94,75,.04)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{padding:12px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.table th{color:var(--muted);font-weight:600;background:#0b5e4b08}.table tr:hover td{background:#0b5e4b05}.page-title{margin:0 0 18px;font-size:24px;font-weight:800;letter-spacing:.5px;color:var(--text)}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;background:#eef2f0;color:var(--muted)}.tag.approved,.tag.settled{background:#e8f8ef;color:var(--success)}.tag.pending,.tag.open{background:#fef5e7;color:var(--warning)}.tag.rejected{background:#fdedec;color:var(--danger)}.tag.offline,.tag.replied{background:#eef2f0;color:var(--muted)}.tag.replied{background:#e8f8ef;color:var(--success)}.muted{color:var(--muted);font-size:13px}.toolbar input,.toolbar select{border:1px solid var(--border);border-radius:10px;padding:8px 12px;background:#fff;min-width:160px}.empty{text-align:center;color:var(--muted);padding:40px 0}.grid{display:grid;gap:16px}.grid.stats{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.stat-card{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stat-card .label{color:var(--muted);font-size:13px}.stat-card .value{margin-top:8px;font-size:28px;font-weight:800;color:var(--primary)}