.board-container{margin-top:20px}
.board-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.board-input{padding:12px;margin-bottom:16px}
.board-list{display:flex;flex-direction:column;gap:12px}
.board-message{padding:14px}
.board-message-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.board-avatar{width:32px;height:32px;border-radius:50%;background:#667eea;color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:bold}
.board-username{font-weight:500;color:#333}
.board-time{color:#999;font-size:12px;margin-left:auto}
.board-message-content{color:#333;line-height:1.6;margin-bottom:8px;word-break:break-word}
.board-attachment{margin-bottom:8px;font-size:13px}
.board-message-actions{display:flex;gap:16px;border-top:1px solid #f0f0f0;padding-top:8px}
.board-action{color:#667eea;cursor:pointer;font-size:13px}
.board-action:hover{text-decoration:underline}
.board-action-del{color:#ff4d4f}
.board-replies{margin-top:10px;margin-left:20px;border-left:2px solid #f0f0f0;padding-left:12px;display:flex;flex-direction:column;gap:8px}
.board-reply{display:flex;align-items:flex-start;gap:8px;font-size:13px;flex-wrap:wrap}
.board-reply .board-username{font-weight:500;color:#555;flex-shrink:0}
.board-reply-content{color:#333;flex:1;min-width:100px;word-break:break-word}
.board-reply .board-time{color:#bbb;font-size:11px;margin-left:0}
.board-reply-form{display:flex;align-items:center}

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei",sans-serif;background:#f0f2f5;color:#333}
.app{display:flex;height:100vh;overflow:hidden;position:relative}
.sidebar{width:240px;background:#1e2a3a;color:#fff;display:flex;flex-direction:column;min-width:240px;overflow:hidden;transition:all .3s}
.sidebar.collapsed{width:0;min-width:0}
.sidebar-inner{width:240px;height:100vh;display:flex;flex-direction:column}
.sidebar-header{padding:18px;border-bottom:1px solid #2d3e50;text-align:center;position:relative}
.sidebar-header h3{font-size:16px}
.sidebar-header .company,.sidebar-header .role{font-size:12px;color:#8fa4bd;margin-top:3px}
.sidebar-toggle{position:absolute;top:12px;right:8px;background:none;border:none;color:#8fa4bd;font-size:18px;cursor:pointer;padding:4px 8px;border-radius:4px}
.sidebar-toggle:hover{background:#2d3e50;color:#fff}
.sidebar-user{padding:12px;border-bottom:1px solid #2d3e50;font-size:13px}
.sidebar-user .user-actions{margin-top:6px;display:flex;gap:12px;flex-wrap:wrap}
.sidebar-user .user-actions span{color:#8fa4bd;cursor:pointer;font-size:12px}
.sidebar-menu{flex:1;overflow-y:auto;padding:8px 0}
.menu-item{padding:11px 20px;cursor:pointer;font-size:14px;display:flex;align-items:center;gap:8px}
.menu-item:hover{background:#2d3e50}
.menu-item.active{background:#667eea}
.menu-item .badge{background:#ff4d4f;color:#fff;border-radius:10px;padding:1px 7px;font-size:11px;margin-left:auto}
.main{flex:1;overflow-y:auto;padding:20px}
.menu-float{position:fixed;top:14px;left:14px;z-index:9999;background:#667eea;color:#fff;border:none;border-radius:6px;padding:7px 11px;font-size:15px;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.25)}
.menu-float:hover{background:#5568d3}
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:8px}
.page-header h2{font-size:20px}
.btn{padding:7px 14px;border:none;border-radius:6px;cursor:pointer;font-size:13px}
.btn-primary{background:#667eea;color:#fff}
.btn-danger{background:#ff4d4f;color:#fff}
.btn-success{background:#52c41a;color:#fff}
.btn-warning{background:#faad14;color:#fff}
.btn-default{background:#fff;color:#333;border:1px solid #ddd}
.btn-info{background:#1890ff;color:#fff}
.btn-group{display:flex;gap:6px;flex-wrap:wrap}
.card{background:#fff;border-radius:8px;padding:18px;margin-bottom:12px;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:18px}
.stat-card{background:#fff;border-radius:8px;padding:16px;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.stat-card .label{font-size:12px;color:#888;margin-bottom:6px}
.stat-card .value{font-size:22px;font-weight:bold}
table{width:100%;border-collapse:collapse}
th,td{padding:9px;text-align:left;border-bottom:1px solid #eee;font-size:13px;vertical-align:middle}
th{background:#fafafa;font-weight:600;color:#666}
.action-btn{padding:3px 9px;border:none;border-radius:4px;cursor:pointer;font-size:12px;margin-right:4px}
.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000}
.modal{background:#fff;border-radius:10px;padding:22px;width:540px;max-height:85vh;overflow-y:auto}
.modal.license-modal{width:700px;max-height:80vh}
.modal.preview-modal{width:85%;max-width:1000px;max-height:90vh}
.modal h3{margin-bottom:18px}
.form-group{margin-bottom:12px}
.form-group label{display:block;margin-bottom:4px;font-size:13px;color:#666}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:7px;border:1px solid #ddd;border-radius:4px;font-size:14px}
.form-group textarea{min-height:70px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.tabs{display:flex;border-bottom:2px solid #eee;margin-bottom:18px;flex-wrap:wrap}
.tab{padding:9px 16px;cursor:pointer;font-size:14px;border-bottom:2px solid transparent;margin-bottom:-2px}
.tab.active{color:#667eea;border-bottom-color:#667eea}
.empty{text-align:center;padding:35px;color:#999}
.tag{display:inline-block;padding:2px 7px;border-radius:10px;font-size:11px}
.tag-pending{background:#fff7e6;color:#fa8c16}
.tag-approved{background:#f6ffed;color:#52c41a}
.tag-rejected{background:#fff1f0;color:#ff4d4f}
.tag-admin{background:#f0f5ff;color:#667eea}
.tag-user{background:#f5f5f5;color:#888}
.tag-visitor{background:#fff7e6;color:#fa8c16}
.tag-active{background:#f6ffed;color:#52c41a}
.tag-expired{background:#fff1f0;color:#ff4d4f}
.tag-disabled{background:#f5f5f5;color:#999}
.file-link{color:#667eea;cursor:pointer;text-decoration:none;font-size:12px}
.auto-calc{background:#f5f5f5!important;color:#666}
.section-title{font-size:14px;font-weight:bold;margin:12px 0 8px;padding-left:8px;border-left:3px solid #667eea}
.upload-progress{margin-top:8px;display:none}
.upload-progress-bar{width:100%;height:7px;background:#eee;border-radius:4px;overflow:hidden}
.upload-progress-fill{height:100%;background:#667eea;width:0%;transition:width .3s}
.upload-progress-text{font-size:11px;color:#888;margin-top:4px;text-align:center}
.upload-area{border:2px dashed #d9d9d9;border-radius:8px;padding:24px;text-align:center;cursor:pointer;transition:all .2s;background:#fafafa}
.upload-area:hover{border-color:#667eea;background:#f0f2ff}
.upload-placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:#999;font-size:13px}
.upload-icon{font-size:32px}
.file-info{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#f6f8ff;border:1px solid #e0e5ff;border-radius:6px;margin-top:8px;flex-wrap:wrap}
.file-icon{font-size:18px}
.file-name{font-weight:500;color:#333;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-size{color:#999;font-size:12px}
.file-status{font-size:12px;padding:2px 8px;border-radius:10px}
.file-success{color:#52c41a;background:#f6ffed}
.file-error{color:#ff4d4f;background:#fff2f0}
.file-ops{margin-left:auto;display:flex;gap:8px;align-items:center}
.link-btn{background:none;border:none;color:#667eea;cursor:pointer;font-size:12px;padding:2px 6px}
.link-btn:hover{text-decoration:underline}
.link-danger{color:#ff4d4f}
.checkbox-group{display:flex;flex-wrap:wrap;gap:8px}
.checkbox-item{display:flex;align-items:center;gap:4px;padding:5px 10px;background:#f5f5f5;border-radius:4px;cursor:pointer;font-size:13px;border:1px solid transparent;transition:all .15s}
.checkbox-item:hover{border-color:#667eea;background:#f0f2ff}
.checkbox-item input{margin:0}
.checkbox-item.checked{background:#e8ebff;border-color:#667eea}
.approve-progress{font-size:12px;color:#666;margin-top:2px}

.month-tag{display:inline-block;background:#e6f4ff;color:#1677ff;padding:2px 8px;border-radius:10px;font-size:11px;margin-left:8px;vertical-align:middle}
.month-select{padding:5px 10px;border-radius:6px;border:1px solid #ddd;font-size:13px;cursor:pointer;background:#fff;margin-left:8px}
.readonly-tip{font-size:12px;color:#999;margin-left:8px}
.att-badge{display:inline-block;background:#f0f5ff;color:#667eea;padding:1px 6px;border-radius:4px;font-size:11px;cursor:pointer}
.att-badge:hover{background:#d6e4ff}
.info-box{background:#e6f7ff;padding:10px;border-radius:6px;margin-bottom:12px;font-size:13px;color:#1890ff;border:1px solid #91d5ff}
.warn-box{background:#fff7e6;padding:10px;border-radius:6px;margin-bottom:12px;font-size:13px;color:#fa8c16;border:1px solid #ffd591}
.info-table{width:100%}
.info-table th{width:130px;background:#fafafa;text-align:right;padding-right:12px}
.info-table td{padding:8px 12px}
.license-banner{background:linear-gradient(135deg,#fa8c16,#f5222d);color:#fff;padding:12px 20px;border-radius:8px;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.license-banner .txt{font-size:14px}
.license-banner .txt strong{font-size:16px}
.op-log-action{font-weight:bold}
.login-page{display:flex;justify-content:center;align-items:center;height:100vh;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}
.login-box{background:#fff;padding:35px 40px;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.2);width:420px}
.login-box h2{text-align:center;margin-bottom:20px}
.login-box input{width:100%;padding:11px;margin-bottom:10px;border:1px solid #ddd;border-radius:6px;font-size:14px}
.login-box button{width:100%;padding:11px;background:#667eea;color:#fff;border:none;border-radius:6px;font-size:16px;cursor:pointer}
.login-box button:disabled{background:#aaa;cursor:not-allowed}
.login-box .link{text-align:center;margin-top:10px;color:#666;font-size:14px}
.login-box .link a{color:#667eea;cursor:pointer}
.license-agree{display:flex;align-items:flex-start;gap:6px;font-size:12px;color:#666;margin:8px 0 12px;line-height:1.6}
.license-agree input{width:auto;margin:2px 0 0;cursor:pointer}
.license-agree a{color:#667eea;cursor:pointer;text-decoration:underline}
.landing-page{min-height:100vh;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);display:flex;flex-direction:column;color:#fff}
.landing-header{display:flex;justify-content:space-between;align-items:center;padding:18px 50px;border-bottom:1px solid rgba(255,255,255,.15);flex-wrap:wrap;gap:10px}
.landing-logo{display:flex;align-items:center;gap:12px}
.landing-logo img{width:40px;height:40px;border-radius:8px;object-fit:cover}
.landing-logo .name{font-size:20px;font-weight:bold}
.landing-nav{display:flex;gap:6px}
.landing-nav-item{padding:8px 16px;cursor:pointer;font-size:14px;border-radius:6px;opacity:.8;transition:all .2s;white-space:nowrap}
.landing-nav-item:hover{opacity:1;background:rgba(255,255,255,.1)}
.landing-nav-item.active{opacity:1;background:rgba(255,255,255,.2);font-weight:bold}
.landing-login-btn{background:#fff;color:#667eea;border:none;padding:9px 24px;border-radius:6px;font-size:14px;font-weight:bold;cursor:pointer;transition:all .2s;white-space:nowrap}
.landing-login-btn:hover{background:#f0f2f5;transform:translateY(-1px)}
.landing-main{flex:1;padding:40px 50px;overflow-y:auto}
.landing-content{display:none;max-width:900px;margin:0 auto;animation:fadeIn .3s}
.landing-content.active{display:block}
.landing-content h2{font-size:30px;margin-bottom:18px;font-weight:bold}
.landing-content p{font-size:15px;line-height:2;opacity:.92;margin-bottom:12px}
.landing-footer{padding:16px 50px;border-top:1px solid rgba(255,255,255,.15);font-size:12px;opacity:.75;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.landing-footer a{color:#fff;cursor:pointer;text-decoration:underline}
.login-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:2000;animation:fadeIn .2s}
.login-modal{background:#fff;border-radius:14px;padding:28px 32px;width:400px;max-width:90vw;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.3);animation:slideUp .3s;position:relative}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.login-modal h2{text-align:center;color:#667eea;margin-bottom:4px;font-size:22px}
.login-modal .sub{text-align:center;color:#999;font-size:12px;margin-bottom:18px}
.login-modal-close{position:absolute;top:12px;right:14px;background:none;border:none;font-size:22px;color:#999;cursor:pointer;line-height:1}
.login-modal-close:hover{color:#333}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}
.feature-item{background:rgba(255,255,255,.12);border-radius:10px;padding:16px;backdrop-filter:blur(4px)}
.feature-item .ficon{font-size:24px;margin-bottom:6px}
.feature-item .ftitle{font-size:14px;font-weight:bold;margin-bottom:4px}
.feature-item .fdesc{font-size:12px;opacity:.85;line-height:1.6}
.guide-steps{counter-reset:gstep;margin:16px 0}
.guide-step{display:flex;gap:14px;margin-bottom:16px;align-items:flex-start}
.guide-step-num{flex-shrink:0;width:30px;height:30px;background:rgba(255,255,255,.25);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:14px}
.guide-step-text{flex:1}
.guide-step-text h4{font-size:15px;margin-bottom:3px}
.guide-step-text p{font-size:13px;opacity:.88;line-height:1.7;margin:0}
.company-info{background:rgba(255,255,255,.1);border-radius:12px;padding:24px;margin:16px 0}
.company-info h4{font-size:16px;margin-bottom:10px}
.company-info p{font-size:13px;opacity:.9;margin-bottom:8px}
.knowledge-list{margin:16px 0}
.knowledge-item{background:rgba(255,255,255,.1);border-radius:10px;padding:16px 20px;margin-bottom:12px;cursor:pointer;transition:all .2s}
.knowledge-item:hover{background:rgba(255,255,255,.18);transform:translateX(4px)}
.knowledge-item h4{font-size:15px;margin-bottom:6px;display:flex;justify-content:space-between;align-items:center}
.knowledge-item p{font-size:13px;opacity:.85;line-height:1.7;margin:0}
.license-content{font-size:13px;line-height:1.9;color:#444;max-height:55vh;overflow-y:auto;padding-right:10px}
.license-content h4{font-size:15px;margin:14px 0 6px;color:#333;border-bottom:1px solid #eee;padding-bottom:4px}
.license-content p{margin-bottom:6px}
.license-content .header{text-align:center;margin-bottom:14px}
.license-content .header h3{font-size:18px;margin-bottom:4px}
.license-content .header .sub{font-size:12px;color:#999}
.message-item{padding:10px 0;border-bottom:1px solid #eee}
.message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.message-content{white-space:pre-wrap;line-height:1.6;font-size:13px}
.thumb{width:38px;height:38px;object-fit:cover;border-radius:4px;cursor:pointer;border:1px solid #eee}
.fu-comment-box{margin-top:10px;padding:10px 12px;background:#fafafa;border-radius:6px;border:1px solid #eee}
.fu-comment-list{margin-bottom:8px}
.fu-comment-item{padding:6px 0;border-bottom:1px dashed #e5e5e5;font-size:13px}
.fu-comment-item:last-child{border-bottom:none}
.fu-comment-user{color:#667eea;font-weight:bold;font-size:13px}
.fu-comment-time{color:#999;font-size:11px;margin-left:8px}
.fu-comment-content{color:#333;margin-top:3px;line-height:1.6;word-break:break-all}
.fu-comment-empty{color:#bbb;font-size:12px;padding:4px 0}
.fu-comment-input-row{display:flex;gap:8px;margin-top:8px}
.fu-comment-input{flex:1;padding:6px 10px;border:1px solid #ddd;border-radius:4px;font-size:13px;outline:none}
.fu-comment-input:focus{border-color:#667eea}
.fu-comment-btn{padding:6px 16px;background:#667eea;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:13px;white-space:nowrap}
.fu-comment-btn:hover{background:#5568d3}
.fu-comment-btn:disabled{background:#aaa;cursor:not-allowed}
.folder-bar{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.folder-select{padding:5px 10px;border-radius:6px;border:1px solid #ddd;font-size:13px;min-width:140px}