:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #eff6ff;--primary-soft: #dbeafe;--text: #0f172a;--text-2: #475569;--text-3: #94a3b8;--bg: #f1f5f9;--card: #ffffff;--border: #e2e8f0;--success: #16a34a;--success-bg: #f0fdf4;--warning: #d97706;--warning-bg: #fffbeb;--danger: #dc2626;--danger-bg: #fef2f2;--radius: 12px;--shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 6px 16px rgba(15, 23, 42, .08)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}#app{min-height:100vh}a{color:var(--primary);text-decoration:none}button{font-family:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:#0f172a;color:#cbd5e1;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.logo{display:flex;align-items:center;gap:10px;padding:20px 20px 18px;border-bottom:1px solid rgba(255,255,255,.08)}.logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#2563eb,#4f46e5);display:flex;align-items:center;justify-content:center;color:#fff}.logo-text{font-size:18px;font-weight:700;color:#fff;letter-spacing:1px}.nav{padding:14px 12px;display:flex;flex-direction:column;gap:4px}.nav-admin{margin-top:auto;padding:8px 12px;border-top:1px solid rgba(255,255,255,.08)}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:8px;color:#cbd5e1;font-size:14px;transition:all .15s}.nav-link:hover{background:#ffffff0f;color:#fff}.nav-link.active{background:var(--primary);color:#fff;font-weight:600}.sidebar-foot{padding:16px 20px;font-size:12px;color:#64748b;display:flex;align-items:center;gap:6px;border-top:1px solid rgba(255,255,255,.08)}.main{flex:1;padding:28px 32px;min-width:0}.page{max-width:1080px;margin:0 auto}.page-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:22px;gap:16px;flex-wrap:wrap}.page-title{font-size:22px;font-weight:700}.page-sub{color:var(--text-3);font-size:13px;margin-top:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 16px;border-radius:8px;border:1px solid transparent;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap;background:var(--primary);color:#fff}.btn:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--card);color:var(--text-2);border-color:var(--border)}.btn-secondary:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.btn-danger{background:var(--card);color:var(--danger);border-color:#fecaca}.btn-danger:hover{background:var(--danger-bg);border-color:var(--danger)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#15803d}.btn-ghost{background:transparent;color:var(--text-2);border-color:transparent}.btn-ghost:hover{background:var(--primary-light);color:var(--primary)}.btn-lg{padding:12px 24px;font-size:15px}.btn-sm{padding:6px 12px;font-size:13px;border-radius:6px}.btn svg{flex-shrink:0}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card+.card{margin-top:16px}.card-title{font-size:16px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:12px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}.stat-label{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:6px}.stat-value{font-size:28px;font-weight:700;margin-top:6px}.stat-value.accent-blue{color:var(--primary)}.stat-value.accent-green{color:var(--success)}.stat-value.accent-amber{color:var(--warning)}.field{margin-bottom:16px}.field>label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:6px}.field 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var(--border);border-radius:10px;padding:40px 48px;line-height:1.9;color:var(--text);box-shadow:var(--shadow)}.doc h1{font-size:20px;text-align:center;margin-bottom:6px;letter-spacing:4px}.doc .doc-no{text-align:center;color:var(--text-3);font-size:12px;margin-bottom:24px}.doc h2{font-size:15px;margin:18px 0 10px}.doc p{text-indent:2em;margin-bottom:8px}.doc .doc-meta{border:1px solid var(--border);border-radius:8px;padding:14px 18px;margin-bottom:20px;font-size:13px;color:var(--text-2)}.doc .doc-meta div{display:flex;margin-bottom:4px}.doc .doc-meta .k{width:90px;color:var(--text-3);flex-shrink:0}.doc .sign-block{display:flex;gap:40px;margin-top:40px}.doc .sign-col{flex:1}.doc .sign-label{font-size:13px;color:var(--text-2);margin-bottom:8px;border-top:1px solid var(--border);padding-top:14px}.doc .sign-date{font-size:12px;color:var(--text-3);margin-top:6px}.party-card{border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin-bottom:14px;background:#fafbfd}.party-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.party-role{font-weight:700;font-size:15px;display:flex;align-items:center;gap:8px}.party-role .role-badge{width:26px;height:26px;border-radius:8px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px}.party-role .role-badge.b{background:#0891b2}.loading{text-align:center;padding:60px 0;color:var(--text-3)}.spinner{width:26px;height:26px;margin:0 auto 12px;border:3px solid var(--primary-soft);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.divider{border:none;border-top:1px solid var(--border);margin:20px 0}.flex{display:flex;align-items:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-wrap{flex-wrap:wrap}.gap-8{gap:8px}.gap-12{gap:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mb-12{margin-bottom:12px}.text-3{color:var(--text-3);font-size:12px}.muted{color:var(--text-3)}.alert{padding:12px 16px;border-radius:8px;font-size:13px;margin-bottom:16px;display:flex;gap:8px;align-items:flex-start}.alert-info{background:var(--primary-light);color:#1e40af;border:1px solid var(--primary-soft)}@media (max-width: 900px){.stats-grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}.sidebar{width:68px}.logo-text,.nav-link span,.sidebar-foot span{display:none}.nav-link{justify-content:center;padding:10px}.sidebar-foot{justify-content:center}.main{padding:20px 16px}.doc{padding:24px 20px}.sign-block{flex-direction:column;gap:24px}}