/* ============================================================
   后台管理样式
   ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#1a2b4a;--accent:#c8a24b;--bg:#f5f6f8;--text:#333;--muted:#777;--border:#e5e7eb}
body{font-family:"Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:var(--primary);text-decoration:none}

/* 布局 */
.admin-wrap{display:flex;min-height:100vh}
.admin-side{width:220px;background:var(--primary);color:#c9d2e4;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.admin-main{margin-left:220px;flex:1;padding:24px 28px 40px}
.side-logo{display:flex;align-items:center;gap:10px;padding:20px 18px;font-size:17px;color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.1)}
.side-logo-img{height:30px;width:auto;border-radius:4px;flex-shrink:0;display:block}
.logo-mark{width:32px;height:32px;border-radius:6px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-family:serif;font-weight:700;font-size:18px;flex-shrink:0}
.side-nav{padding:12px 0;flex:1}
.side-nav a{display:block;padding:11px 22px;color:#c9d2e4;font-size:14px;border-left:3px solid transparent}
.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side-nav a.active{background:rgba(255,255,255,.1);color:#fff;border-left-color:var(--accent);font-weight:600}
.side-nav a.logout{color:#e88}
.side-user{padding:16px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#9aa7c2}

.admin-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.admin-top h1{font-size:24px;color:var(--primary)}
.view-site{font-size:14px;color:var(--accent);font-weight:600}

/* 卡片 */
.card{background:#fff;border-radius:10px;padding:22px;box-shadow:0 2px 10px rgba(0,0,0,.06);border:1px solid var(--border);margin-bottom:20px}
.card h3{color:var(--primary);font-size:17px;margin-bottom:16px}
.card-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.card-title h3{margin:0}

/* 统计 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}
.stat-box{background:#fff;border-radius:10px;padding:22px;border:1px solid var(--border);box-shadow:0 2px 10px rgba(0,0,0,.06)}
.stat-box .num{font-size:32px;font-weight:700;color:var(--primary)}
.stat-box .label{color:var(--muted);font-size:14px;margin-top:6px}

/* 表格 */
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;border:1px solid var(--border)}
.table th{background:#f3f5f9;color:var(--primary);text-align:left;padding:12px 14px;font-size:14px;font-weight:600;border-bottom:1px solid var(--border)}
.table td{padding:12px 14px;border-bottom:1px solid var(--border);font-size:14px;vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table .actions a{margin-right:10px;font-size:13px}

/* 荣誉文件缩略图 */
.thumb-img{width:76px;height:auto;border-radius:6px;border:1px solid var(--border);display:block;object-fit:cover}
.honor-file-link{display:inline-block}

/* 按钮 */
.btn{display:inline-block;padding:8px 18px;border-radius:6px;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:.2s;background:var(--primary);color:#fff}
.btn:hover{background:#24375e}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#a9862f}
.btn-danger{background:#c0392b;color:#fff}
.btn-danger:hover{background:#a93226}
.btn-sm{padding:5px 12px;font-size:13px}
.btn-block{display:block;width:100%;padding:12px}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--border)}
.btn-ghost:hover{background:#f5f6f8}

/* 表单 */
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:7px;font-weight:600;color:var(--primary);font-size:14px}
.form-control{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit;background:#fafbfc}
.form-control:focus{outline:none;border-color:var(--accent);background:#fff}
textarea.form-control{min-height:140px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* 提示 */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.alert-success{background:#e6f4ea;color:#1b7a3d;border:1px solid #b7e0c2}
.alert-error{background:#fdecec;color:#b3382c;border:1px solid #f5c6c6}

/* 徽标 */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px}
.badge-green{background:#e6f4ea;color:#1b7a3d}
.badge-gray{background:#eef0f4;color:#666}
.badge-blue{background:#e7f0fb;color:#1a5aa8}

/* 登录 */
.login-body{background:linear-gradient(135deg,var(--primary),#2c3f66);min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-box{background:#fff;border-radius:12px;padding:38px;width:380px;box-shadow:0 10px 40px rgba(0,0,0,.25)}
.login-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:600;color:var(--primary);margin-bottom:26px;justify-content:center}
.back-home{display:block;text-align:center;margin-top:16px;font-size:13px;color:var(--muted)}

/* 分页 */
.pagination{display:flex;gap:8px;margin-top:18px}
.pagination a,.pagination span{display:inline-block;padding:6px 12px;border-radius:6px;background:#fff;border:1px solid var(--border);font-size:13px;color:var(--primary)}
.pagination .current{background:var(--primary);color:#fff;border-color:var(--primary)}

@media(max-width:800px){
  .admin-side{width:64px}
  .admin-side .side-logo span:last-child,.side-nav a,.side-user{display:none}
  .admin-main{margin-left:64px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
}