:root{--primary:#1677ff;--primary-hover:#4096ff;--primary-active:#0958d9;--primary-bg:#e6f4ff;--primary-border:#91caff;--text:#1d1d1f;--text-secondary:#6e6e73;--text-tertiary:#86868b;--text-placeholder:#c7c7cc;--bg:#f5f5f7;--bg-elevated:#fff;--bg-subtle:#f5f5f7;--border:#d2d2d7;--border-light:#e5e5ea;--success:#34c759;--danger:#ff3b30;--warning:#ff9500;--font-family:-apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--shadow-sm:0 1px 2px #0000000a, 0 1px 4px #0000000f;--shadow-md:0 2px 8px #0000000f, 0 1px 3px #0000000a;--shadow-lg:0 4px 16px #00000014, 0 2px 6px #0000000a;--shadow-xl:0 8px 32px #0000001a, 0 2px 8px #0000000f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;font-size:13px}body{height:100vh;font-family:var(--font-family);color:var(--text);background:var(--bg);flex-direction:column;line-height:1.5;display:flex;overflow:hidden}#app:has(.login-wrapper){flex:1;justify-content:center;align-items:center;display:flex}.sidebar{background:var(--bg-elevated);border-right:1px solid var(--border-light);flex-shrink:0;width:200px;min-width:200px;padding:8px 0;transition:width .25s;overflow-y:auto}.sidebar-title{justify-content:flex-end;align-items:center;margin-bottom:4px;padding:4px 8px;display:flex}.ss-title{color:var(--text);letter-spacing:.3px;padding:8px 14px 2px;font-size:14px;font-weight:600}.sm-item{color:var(--text);cursor:pointer;border-left:2px solid #0000;border-radius:0 4px 4px 0;padding:6px 14px;font-size:15px;transition:all .15s}.sm-item:hover{background:var(--primary-bg);color:var(--primary)}.sm-active{background:var(--primary-bg);color:var(--primary);border-left-color:var(--primary);font-weight:500}.sidebar.collapsed{width:40px!important}.sidebar.collapsed .sm-item{text-align:center;padding:8px 0;font-size:0;overflow:hidden}.sidebar.collapsed .sm-item span,.sidebar.collapsed .ss-title{display:none}.sidebar.collapsed .sidebar-title{justify-content:center!important;padding:8px 0!important}.sidebar-toggle{cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:4px;padding:2px 6px;font-size:16px;transition:all .15s}.sidebar-toggle:hover{background:var(--primary-bg)}.sidebar.collapsed .sidebar-toggle{text-align:center;width:100%;padding:10px 0;font-size:18px;display:block}.main-wrap{flex:1;min-width:0;transition:margin-left .25s;display:flex;overflow:hidden}.main-wrap.collapsed{margin-left:0!important}.main{flex:1;min-width:0;padding:16px 24px;overflow-y:auto}.page-title{border-bottom:1px solid var(--border-light);margin-bottom:12px;padding-bottom:8px;font-size:18px;font-weight:600}.top-bar{background:var(--bg-elevated);border-bottom:1px solid var(--border-light);flex-shrink:0;justify-content:space-between;align-items:center;height:40px;padding:0 16px;display:flex}.tb-item{cursor:pointer;color:#666;border-radius:4px;padding:4px 12px;font-size:13px;transition:all .15s}.tb-item:hover{color:var(--primary);background:var(--primary-bg)}.tb-item.tb-active{color:var(--primary);background:var(--primary-bg);font-weight:500}.tb-sep{color:#ddd;margin:0 4px;font-size:12px}.search-bar,.action-bar{background:var(--bg-elevated);border:1px solid var(--border-light);flex-wrap:wrap;align-items:center;gap:8px;padding:8px 12px;display:flex}.search-bar{border-radius:var(--radius-md) var(--radius-md) 0 0;border-bottom:none;flex-wrap:nowrap;margin-top:0;overflow-x:auto}.action-bar{border-top:none;border-bottom:none;margin-bottom:0}.search-item{color:var(--text-secondary);align-items:center;gap:4px;font-size:12px;display:flex}input,select{border:1px solid var(--border);border-radius:var(--radius-sm);height:34px;color:var(--text);background:var(--bg-elevated);outline:none;padding:0 10px;font-size:13px;transition:all .15s}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1677ff1f}input:disabled,select:disabled{background:var(--bg-subtle);color:var(--text-tertiary);cursor:not-allowed}input::placeholder{color:var(--text-placeholder)}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%236e6e73' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:30px}.btn{border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:4px;height:32px;padding:0 14px;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex}.btn:active{transform:scale(.96)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 2px 6px #1677ff4d}.btn-success{background:var(--success);color:#fff}.btn-success:hover{opacity:.9}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-warning{background:var(--warning);color:#fff}.btn-warning:hover{opacity:.9}.btn-normal{background:var(--bg-elevated);color:var(--text);border:1px solid var(--border)}.btn-normal:hover{border-color:var(--primary);color:var(--primary)}.table-box{background:var(--bg-elevated);border:1px solid var(--border-light);border-top:none;border-radius:0;overflow:auto}table{border-collapse:collapse;white-space:nowrap;width:auto}.table-box table td{white-space:normal;word-break:break-all;max-width:200px;line-height:1.4}th{background:var(--bg-subtle);color:var(--text);border-bottom:1px solid var(--border-light);z-index:1;text-align:left;white-space:nowrap;padding:8px 10px;font-size:12px;font-weight:600;position:sticky;top:0}td{border-bottom:1px solid var(--border-light);color:var(--text);text-align:left;padding:7px 10px;font-size:13px}tr:last-child td{border-bottom:none}tr:hover td{background:#f0f4ff}tr:nth-child(2n) td{background:#fafbfc}tr:nth-child(2n):hover td{background:#f0f4ff}.page-info{color:var(--text-tertiary);font-size:12px}.page-nav{align-items:center;gap:6px;display:flex}.pagination .btn{min-width:auto;height:26px;padding:0 10px;font-size:12px}.pagination .btn:disabled{opacity:.4;cursor:not-allowed}#pageNum{margin:0 2px}.page-nav button{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);height:26px;color:var(--text);cursor:pointer;padding:0 10px;font-size:12px;transition:all .15s}.page-nav button:hover{border-color:var(--primary);color:var(--primary)}.page-nav button:disabled{opacity:.4;cursor:not-allowed}.page-nav button:disabled:hover{border-color:var(--border);color:var(--text)}.pagination{color:var(--text-secondary);background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:0 0 var(--radius-md) var(--radius-md);border-top:none;justify-content:center;align-items:center;gap:8px;padding:6px 10px;font-size:12px;display:flex}.pagination #pageInfo,.pagination #pageNum{margin-right:4px}.modal{z-index:999;background:#0006;justify-content:center;align-items:flex-start;width:100%;height:100%;padding-top:5vh;animation:.2s fadeIn;display:none;position:fixed;top:0;left:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-content{background:var(--bg-elevated);border-radius:var(--radius-xl);width:90%;max-width:860px;max-height:90vh;box-shadow:var(--shadow-xl);animation:.25s slideUp;overflow:hidden}.modal-header{border-bottom:1px solid var(--border-light);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;font-size:15px;font-weight:600;display:flex}.modal-body{max-height:calc(90vh - 130px);padding:16px;overflow:auto}.modal-footer{border-top:1px solid var(--border-light);background:var(--bg-elevated);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;bottom:0}.form-row{flex-wrap:wrap;gap:10px;margin-bottom:8px;display:flex}.form-item{flex:none;align-items:center;gap:8px;min-width:0;display:flex}.form-item label{width:80px;color:var(--text);text-align:right;flex-shrink:0;font-size:13px;font-weight:500}.form-item input,.form-item select{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-elevated);outline:none;width:200px;height:36px;padding:0 12px;font-size:14px;transition:all .2s}.form-item input:focus,.form-item select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1677ff1f}.form-item input:disabled,.form-item select:disabled{background:var(--bg-subtle);color:var(--text-tertiary);cursor:not-allowed}.form-item select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%236e6e73' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:28px}.addr-row{flex-wrap:wrap;gap:4px;margin-bottom:4px;display:flex}.addr-row .form-item{flex:none;gap:0;min-width:0}.addr-row .form-item label{width:56px;color:var(--text-tertiary);text-align:right;flex-shrink:0;padding-right:4px;font-size:12px;line-height:36px}.addr-row .form-item select,.addr-row .form-item input{width:140px;height:32px;font-size:13px}.group{margin-bottom:16px}.group-title{border-left:3px solid var(--primary);color:var(--text);margin-bottom:10px;padding-left:12px;font-size:15px;font-weight:600}.red{color:var(--danger)}.btn-group{text-align:center;justify-content:center;gap:8px;margin-top:16px;display:flex}.btn-group .btn{min-width:80px}input[type=checkbox]{cursor:pointer;width:16px;height:16px;accent-color:var(--primary)}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);text-align:center;cursor:pointer;background:var(--bg-subtle);padding:20px;transition:all .2s}.upload-zone:hover{border-color:var(--primary);background:var(--primary-bg)}.label{border-radius:var(--radius-sm);padding:2px 6px;font-size:11px;display:inline-block}.label-blue{background:var(--primary-bg);color:var(--primary)}.label-green{color:var(--success);background:#f6ffed}.edit-tabs{border-bottom:1px solid var(--border-light);background:#fafafa;flex-shrink:0;padding:0 20px;display:flex;overflow-x:auto}.edit-tab{cursor:pointer;color:var(--text-secondary);white-space:nowrap;-webkit-user-select:none;user-select:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 16px;font-size:13px;transition:all .15s}.edit-tab:hover{color:var(--primary);background:var(--primary-bg);border-radius:4px 4px 0 0}.edit-tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:500}.edit-panel{display:none}.edit-panel.active{display:block}.edit-form-grid{grid-template-columns:1fr 1fr;gap:10px 16px;display:grid}.edit-form-grid .form-item{flex-direction:column;gap:4px;display:flex}.edit-form-grid .form-item label{text-align:left;width:auto;color:var(--text-secondary);font-size:12px;font-weight:400}.edit-form-grid .form-item input,.edit-form-grid .form-item select{border:1px solid var(--border);border-radius:4px;width:100%;height:34px;padding:0 10px;font-size:13px}.edit-form-grid .form-item textarea{border:1px solid var(--border);border-radius:4px;width:100%;min-height:60px;padding:8px;font-family:inherit;font-size:13px}.modal-overlay .modal-box{animation:.2s slideUp}.modal-overlay .form-item{margin-bottom:12px}.modal-overlay .form-item label{color:#666;text-align:left;width:auto;margin-bottom:4px;font-size:13px;display:block}.modal-overlay .form-item input,.modal-overlay .form-item select,.modal-overlay .form-item textarea{width:100%;font-family:inherit}.role-switch-item{cursor:pointer;border-radius:3px;padding:4px 8px;font-size:12px;transition:all .1s}.role-switch-item:hover{background:#ffffff1a}.filter-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.filter-group select{border:1px solid #ddd;border-radius:4px;height:32px;padding:0 8px;font-size:13px}.filter-chip{color:#1677ff;background:#e6f4ff;border:1px solid #91caff;border-radius:4px;align-items:center;gap:4px;padding:2px 8px;font-size:12px;display:inline-flex}.filter-chip i{cursor:pointer;opacity:.6;font-size:14px;font-style:normal;line-height:1}.filter-chip i:hover{opacity:1}.filter-chip-clear{color:#999;cursor:pointer;background:#f5f5f5;border-color:#ddd}.filter-chip-clear:hover{color:#f56c6c;background:#ffebee;border-color:#f56c6c}.filter-cond{background:#fafafa;border:1px solid #eee;border-radius:4px;align-items:center;gap:4px;padding:3px 6px;display:flex}.filter-cond select,.filter-cond input{height:28px!important;font-size:12px!important}.filter-cond i{cursor:pointer;color:#999;padding:0 2px;font-size:16px;font-style:normal}.filter-cond i:hover{color:#f56c6c}.action-bar{background:var(--bg-elevated);border:1px solid var(--border-light);border-bottom:none;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 12px;display:flex}.config-tab{cursor:pointer;color:var(--text-secondary);border-bottom:2px solid #0000;margin-bottom:-2px;padding:6px 16px;font-size:13px;transition:all .15s}.config-tab:hover{color:var(--primary);background:#f8f9fa;border-radius:4px 4px 0 0}.tabs{border-bottom:1px solid #eee;gap:0;margin-bottom:24px;display:flex}.tab{text-align:center;cursor:pointer;color:#999;border-bottom:2px solid #0000;flex:1;padding:10px 0;font-size:14px;transition:all .2s}.tab:hover{color:var(--primary)}.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:500}.login-wrapper .form-item{margin-bottom:18px;display:block}.login-wrapper .form-item label{color:#666;width:auto;margin-bottom:6px;font-size:13px;font-weight:400;display:block}.login-wrapper .form-item input{color:#333;border:1px solid #d9d9d9;border-radius:6px;width:100%;height:40px;padding:0 12px;font-size:14px;transition:border-color .2s,box-shadow .2s}.login-wrapper .form-item input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #1677ff1a}.login-wrapper .form-item input::placeholder{color:#bbb}.login-wrapper .btn{cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;gap:6px;width:100%;height:42px;font-size:15px;transition:all .2s;display:flex}.login-wrapper .btn:active{transform:scale(.98)}.login-wrapper .btn-primary{background:var(--primary);color:#fff}.login-wrapper .btn-primary:hover{background:var(--primary-hover)}.login-wrapper .btn-outline{color:var(--primary);border:1px solid var(--primary);background:#fff;margin-top:10px}.login-wrapper .btn-outline:hover{background:var(--primary-bg)}.login-wrapper .error{color:#ff4d4f;text-align:center;background:#fff2f0;border:1px solid #ffccc7;border-radius:4px;margin-top:10px;padding:8px 12px;font-size:13px;display:none}.login-wrapper .tip{color:#bbb;text-align:center;margin-top:16px;font-size:12px}.login-wrapper{background:var(--bg-elevated);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:800px;min-height:480px;display:flex;overflow:hidden}.login-left{background:linear-gradient(135deg, var(--primary), var(--primary-active));color:#fff;flex-direction:column;justify-content:center;width:320px;padding:40px;display:flex}.login-left h1{margin-bottom:8px;font-size:28px;font-weight:600}.login-left p{opacity:.85;font-size:14px;line-height:1.6}.login-right{flex-direction:column;flex:1;justify-content:center;padding:48px 48px 40px;display:flex}.login-right h2{margin-bottom:24px;font-size:18px;font-weight:500}.stu-page{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.stu-header{background:var(--primary);color:#fff;flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 24px;display:flex}.stu-header h1{font-size:18px;font-weight:600}.stu-user{align-items:center;gap:12px;font-size:14px;display:flex}.stu-user .btn{color:#fff;background:#fff3;border:none;height:28px;padding:0 12px;font-size:12px}.stu-user .btn:hover{background:#ffffff59}.stu-body{flex:1;width:100%;max-width:720px;margin:24px auto;padding:0 16px}.stu-body h2{color:var(--text);margin-bottom:20px;font-size:20px;font-weight:600}.layout{height:100vh;display:flex;overflow:hidden}.layout .sidebar{color:#333;background:#f5f6f8;border-right:1px solid #e8e8e8;flex-direction:column;width:200px;min-width:200px;padding:0;display:flex}.sidebar-brand{color:#1677ff;letter-spacing:.5px;padding:16px 16px 12px;font-size:15px;font-weight:600}.sidebar-user{color:#666;border-bottom:1px solid #e8e8e8;flex-direction:column;gap:2px;padding:4px 16px 12px;font-size:12px;display:flex}.role-badge{color:#fff;background:#1677ff;border-radius:3px;width:fit-content;padding:1px 8px;font-size:11px;display:inline-block}.sidebar-nav{flex:1;padding:8px 0;overflow-y:auto}.layout .sidebar .ss-title{color:#888;padding:8px 14px 2px;font-size:14px;font-weight:600}.layout .sidebar .sm-item{color:#444;cursor:pointer;border-left:2px solid #0000;padding:8px 14px;font-size:13px;transition:all .15s}.layout .sidebar .sm-item:hover{color:#1677ff;background:#e6f4ff}.layout .sidebar .sm-active{color:#1677ff;background:#e6f4ff;border-left-color:#1677ff;font-weight:500}.nav-group-title{color:#666;cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:4px;padding:8px 16px;font-size:12px;display:flex}.nav-group-title:before{content:"▾";color:#888;font-size:10px}.nav-group.collapsed .nav-group-title:before{content:"▸"}.nav-group.collapsed .nav-items{display:none}.nav-items{flex-direction:column;display:flex}.nav-item{cursor:pointer;color:#ccc;border-left:2px solid #0000;padding:8px 16px 8px 24px;font-size:13px;transition:all .15s}.nav-item:hover{color:#fff;background:#ffffff0f}.nav-item.active,.nav-item.active{color:#4096ff;background:#1677ff26;border-left-color:#1677ff}.sidebar-footer{border-top:1px solid #e8e8e8;padding:8px 0}.sidebar-footer .nav-item{color:#666;font-size:12px}.sidebar-footer .nav-item:hover{color:#ff4d4f;background:0 0}.main-area{background:var(--bg);flex-direction:column;flex:1;display:flex;overflow:hidden}.topbar{border-bottom:1px solid var(--border-light);background:#fff;flex-shrink:0;align-items:center;height:44px;padding:0 20px;display:flex}.topbar h2{color:var(--text);font-size:16px;font-weight:600}.content-area{flex:1;padding:16px 20px;overflow-y:auto}.notif-card{background:var(--bg-elevated);border-radius:var(--radius-lg);border:1px solid var(--border-light);margin-bottom:12px;padding:16px 20px;transition:box-shadow .2s}.notif-card:hover{box-shadow:var(--shadow-md)}.notif-title{color:var(--text);margin-bottom:4px;font-size:15px;font-weight:600}.notif-meta{color:var(--text-tertiary);margin-bottom:8px;font-size:12px}.notif-body{color:var(--text-secondary);font-size:13px;line-height:1.6}#imagePreviewOverlay{z-index:10001;background:#000c;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;display:none;position:fixed;top:0;left:0}#imagePreviewImg{object-fit:contain;border-radius:4px;max-width:90vw;max-height:85vh}.role-badge{color:#fff;border-radius:3px;width:fit-content;padding:1px 8px;font-size:11px;display:inline-block}.toast-container{z-index:99999;position:fixed;top:20px;left:50%;transform:translate(-50%)}