:root{--bg: #f5fafd;--card: #ffffff;--primary: #1890ff;--primary-hover: #40a9ff;--primary-soft: #e8f4fc;--primary-softer: #f0f8ff;--line: #e8e8e8;--line-soft: #f0f0f0;--text-1: #1f1f1f;--text-2: #595959;--text-3: #8c8c8c;--success: #52c41a;--warning: #faad14;--danger: #ff4d4f;--highlight: #fff7e6;--admin-bg: #f0f2f5;--code-bg: #f6f8fa;--radius: 6px;--radius-sm: 4px;--header-height: 52px;--container-width: 85%;--container-max: 1680px;--gap: 16px;--font-base: 13px;--font-sm: 12px;--font-lg: 14px;--font-xl: 16px;--font-title: 18px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text-1);font-size:var(--font-base);line-height:1.6;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica 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var(--line);border-radius:var(--radius)}.card-pad{padding:16px 18px}.card+.card{margin-top:var(--gap)}.card-title{font-size:var(--font-lg);font-weight:600;display:flex;align-items:center;justify-content:space-between}.title-bar{border-left:3px solid var(--primary);padding-left:8px;line-height:1.2}.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.page-head h1{font-size:var(--font-title)}.page-head .sub{color:var(--text-3);font-size:var(--font-sm);margin-top:2px}.text-muted{color:var(--text-3)}.text-sm{font-size:var(--font-sm)}.text-ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ellipsis-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tag{display:inline-flex;align-items:center;padding:0 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var(--line);border-radius:12px;background:#fff;color:var(--text-2);cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .15s}.chip:hover{color:var(--primary);border-color:var(--primary)}.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.list-item{padding:13px 16px;border-bottom:1px solid var(--line-soft);transition:background .15s}.list-item:last-child{border-bottom:0}.list-item:hover{background:#fafdff}.avatar-s{width:24px;height:24px;border-radius:50%;background:var(--primary-soft);color:#096dd9;display:inline-flex;align-items:center;justify-content:center;font-size:11px;flex:none}.avatar-m{width:36px;height:36px;font-size:13px}.avatar-l{width:64px;height:64px;font-size:20px}.metric-num{font-size:22px;font-weight:600;color:var(--primary);line-height:1.2}.empty-tip{padding:48px 0;text-align:center;color:var(--text-3);font-size:var(--font-sm)}.ant-btn{font-size:var(--font-base)}.ant-btn-sm{font-size:var(--font-sm)}.ant-table{font-size:var(--font-base)}.ant-table-thead>tr>th{background:#fafafa!important;font-weight:600;color:var(--text-2);font-size:var(--font-sm)}.ant-tabs-tab{font-size:var(--font-base)!important;padding:8px 14px!important}.ant-form-item-label>label{font-size:var(--font-base)}.ant-input,.ant-select,.ant-picker{font-size:var(--font-base)}.ant-modal-title{font-size:var(--font-lg)}.ant-menu{font-size:var(--font-base)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#d9d9d9;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#bfbfbf}.app-header{height:var(--header-height);background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}.app-header .container{height:100%;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:8px;flex:none}.brand-mark{width:40px;height:40px;object-fit:contain;flex:none;display:block}.brand-name{font-size:var(--font-lg);font-weight:600;color:var(--text-1)}.brand-name small{color:var(--text-3);font-weight:400;margin-left:6px;font-size:11px}.main-nav{display:flex;align-items:center;gap:18px}.main-nav a{color:var(--text-2);font-size:var(--font-base);padding:3px 0;border-bottom:2px solid transparent}.main-nav a:hover{color:var(--primary)}.main-nav a.active{color:var(--primary);border-bottom-color:var(--primary)}.header-search{flex:1;max-width:380px}.header-search 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a{font-size:var(--font-sm);color:var(--text-2);padding:3px 10px;border-radius:12px}.qp-types a:hover{background:var(--primary-softer);color:var(--primary)}.comment-box{padding:14px 18px 18px}.comment-item{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid var(--line-soft)}.comment-item:last-child{border-bottom:0}.comment-body{flex:1;min-width:0}.comment-head{display:flex;align-items:center;gap:8px;font-size:var(--font-sm)}.comment-head .cn{font-weight:500;color:var(--text-1)}.comment-head .ct{color:var(--text-3)}.comment-text{font-size:var(--font-base);color:var(--text-2);margin:3px 0}.comment-actions{display:flex;gap:16px;font-size:var(--font-sm);color:var(--text-3)}.comment-actions span{cursor:pointer}.comment-actions span:hover{color:var(--primary)}.comment-replies{margin-top:10px;padding-left:14px;border-left:2px solid var(--primary-soft)}.best-answer{background:var(--primary-softer);border:1px solid #d6eaff;border-radius:var(--radius-sm);padding:10px 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.vs-h{color:var(--text-3);margin-bottom:4px}.player{aspect-ratio:16 / 9;background:#1f2733;border-radius:var(--radius);color:#cfd8e3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;font-size:var(--font-sm)}.player .play-btn{width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.5);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff}.player .countdown{font-size:15px;color:#fff}.stat-card{padding:14px 16px}.stat-card .stat-label{font-size:var(--font-sm);color:var(--text-3)}.crumb{font-size:var(--font-sm);color:var(--text-3);padding:14px 0 0}.crumb a{color:var(--text-3)}.crumb a:hover{color:var(--primary)}.profile-hero{display:flex;align-items:center;gap:18px;padding:22px}.profile-hero .pinfo{flex:1}.profile-hero .pname{font-size:var(--font-title);font-weight:600;display:flex;align-items:center;gap:10px}.profile-hero .prole{font-size:var(--font-sm);color:var(--text-2);margin-top:4px}.profile-stats{display:flex;gap:32px;padding:12px 22px;border-top:1px solid var(--line-soft)}.profile-stats .n{font-size:var(--font-lg);font-weight:600}.profile-stats .l{font-size:var(--font-sm);color:var(--text-3)}mark{background:var(--highlight);color:inherit;padding:0 1px}.admin-header{height:var(--header-height);background:#001529}.admin-header .container{height:100%;display:flex;align-items:center;gap:16px}.admin-header .brand-name,.admin-header .brand-name small{color:#ffffffd9}.admin-header .back-link{margin-left:auto;color:#ffffffa6;font-size:var(--font-sm)}.admin-header .back-link:hover{color:#fff}.admin-side .ant-menu{border-inline-end:0!important}.admin-stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);margin-bottom:var(--gap)}@media (max-width: 900px){.admin-stat-row{grid-template-columns:repeat(2,1fr)}.vs-grid{grid-template-columns:1fr}}.msg-layout{display:grid;grid-template-columns:260px minmax(0,1fr);height:calc(100vh - var(--header-height) - 96px);min-height:480px}.msg-list{border-right:1px solid var(--line);overflow-y:auto}.msg-contact{display:flex;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line-soft);cursor:pointer}.msg-contact:hover{background:#fafdff}.msg-contact.active{background:var(--primary-softer)}.msg-contact .n{font-size:var(--font-base);font-weight:500;display:flex;justify-content:space-between}.msg-contact .preview{font-size:var(--font-sm);color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.msg-badge{background:var(--danger);color:#fff;font-size:10px;min-width:16px;height:16px;line-height:16px;text-align:center;border-radius:8px;padding:0 4px}.chat-body{display:flex;flex-direction:column;background:#fff}.chat-scroll{flex:1;overflow-y:auto;padding:16px 20px}.bubble-row{display:flex;margin-bottom:14px}.bubble-row.me{justify-content:flex-end}.bubble{max-width:66%;padding:8px 12px;border-radius:8px;background:var(--bg);border:1px solid var(--line-soft);font-size:var(--font-base)}.bubble-row.me .bubble{background:var(--primary);border-color:var(--primary);color:#fff}.bubble .bt{font-size:11px;color:var(--text-3);margin-top:3px}.bubble-row.me .bubble .bt{color:#ffffffbf;text-align:right}.chat-input{border-top:1px solid var(--line);padding:10px 16px}.notice-item{display:flex;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line-soft);cursor:pointer}.notice-item:hover{background:#fafdff}.notice-item.unread{background:var(--primary-softer)}.notice-item .cat{flex:none;width:64px;font-size:var(--font-sm);color:var(--primary)}.notice-item .txt{flex:1;font-size:var(--font-base);color:var(--text-1)}.notice-item .tm{flex:none;font-size:var(--font-sm);color:var(--text-3)}.doc-body h2{font-size:16px;margin:20px 0 8px}.doc-body p,.doc-body li{color:var(--text-2);font-size:var(--font-base);line-height:1.9}.doc-body ul{padding-left:20px;list-style:disc}