.bottom-nav[data-v-f2045d1f]{height:var(--nav-height);padding-bottom:env(safe-area-inset-bottom,0);-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;z-index:100;background:#fff;border-top:1px solid #e8e8e8;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item[data-v-f2045d1f]{cursor:pointer;color:#999;-webkit-tap-highlight-color:transparent;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding:4px 0;text-decoration:none;transition:all .2s;display:flex}.nav-item.active[data-v-f2045d1f]{color:#0052d9}.nav-item .nav-icon[data-v-f2045d1f]{justify-content:center;align-items:center;width:22px;height:22px;display:flex}.nav-item .nav-icon svg[data-v-f2045d1f]{width:100%;height:100%}.nav-item .nav-label[data-v-f2045d1f]{letter-spacing:.3px;font-size:10px}.nav-item.active .nav-label[data-v-f2045d1f]{font-weight:600}.nav-item[data-v-f2045d1f]:active{opacity:.7;transform:scale(.9)}.nav-badge[data-v-f2045d1f]{background:#e54545;border-radius:50%;width:8px;height:8px;position:absolute;top:2px;right:50%;transform:translate(18px)}.toast[data-v-4bbe178f]{color:#fff;font-size:var(--font-base);z-index:1000;white-space:nowrap;background:rgba(0,0,0,.78);border-radius:20px;padding:12px 24px;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.fade-enter-active[data-v-4bbe178f],.fade-leave-active[data-v-4bbe178f]{transition:opacity .25s}.fade-enter-from[data-v-4bbe178f],.fade-leave-to[data-v-4bbe178f]{opacity:0}.page-header[data-v-7703ec3e]{z-index:50;height:var(--nav-height);box-sizing:border-box;background:#fff;border-bottom:1px solid #f0f0f0;align-items:center;padding:0 16px;display:flex;position:-webkit-sticky;position:sticky;top:0}.page-header-back[data-v-7703ec3e]{cursor:pointer;color:var(--text-title);padding-right:8px;font-size:18px;font-weight:700;line-height:1}.page-header-title[data-v-7703ec3e]{color:var(--text-title);white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:700;overflow:hidden}.page-header-sub[data-v-7703ec3e]{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;margin-left:8px;font-size:12px;overflow:hidden}.stats-grid-4[data-v-9d2ebabb]{margin:var(--gap-page) var(--gap-card);grid-template-columns:1fr 1fr;gap:10px;display:grid}.stat-block[data-v-9d2ebabb]{border-radius:var(--radius);text-align:center;box-shadow:var(--shadow-sm);background:#fff;padding:12px 6px}.stat-block-num[data-v-9d2ebabb]{font-size:var(--font-xxl);color:var(--text-title);font-weight:700;line-height:1.2}.stat-block-num.primary[data-v-9d2ebabb]{color:var(--primary)}.stat-block-num.warning[data-v-9d2ebabb]{color:var(--warning)}.stat-block-num.success[data-v-9d2ebabb]{color:var(--success)}.stat-block-label[data-v-9d2ebabb]{font-size:var(--font-xs);color:var(--text-muted);margin-top:4px}@media (min-width:768px){.stats-grid-4[data-v-9d2ebabb]{grid-template-columns:repeat(4,1fr)}}:root{--primary:#0052d9;--primary-light:#e8f0fe;--bg:#f5f6f8;--bg-page:#e8ecf1;--card:#fff;--text:#1a1a1a;--text-title:#1a1a1a;--text-body:#333;--text-secondary:#555;--text-muted:#888;--border:#e8e8e8;--divider:#f0f0f0;--danger:#e54545;--warning:#f59a23;--success:#2ba471;--orange:#f59a23;--red:#e54545;--green:#2ba471;--shadow-sm:0 1px 3px rgba(0,0,0,.04);--shadow-card:0 1px 3px rgba(0,0,0,.04);--radius:10px;--radius-sm:6px;--radius-card:10px;--radius-btn:20px;--font-xs:11px;--font-sm:12px;--font-md:13px;--font-base:14px;--font-lg:15px;--font-xl:18px;--font-xxl:22px;--font-xxxl:28px;--nav-height:56px;--gap-card:14px;--gap-page:12px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{background:var(--bg-page);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif}body{padding-bottom:calc(var(--nav-height) + env(safe-area-inset-bottom,0) + 10px)}.page-container{padding-bottom:calc(var(--nav-height) + env(safe-area-inset-bottom,0) + 20px)}.page-content>.page-container:first-child,#app-shell>.page-content>.page-container:first-child{padding-top:0}#app{background:var(--bg);width:100%;min-height:100vh;margin:0 auto}.page-content{animation:.25s fadeSlide}@keyframes fadeSlide{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.card{background:var(--card);margin:var(--gap-page) var(--gap-card);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:16px}.card-title{font-size:var(--font-lg);color:var(--text);letter-spacing:.3px;margin-bottom:12px;font-weight:700}.stat-row{gap:8px;margin-bottom:10px;display:flex}.stat-item{border-radius:var(--radius-sm);text-align:center;background:#f9fafb;flex:1;padding:12px 6px}.stat-item-highlight{background:#f4f7fc}.stat-item-warning{background:#fef7ee}.stat-item-success{background:#eef7f0}.stat-num{font-size:var(--font-xxl);color:#1a1a1a;font-weight:700;line-height:1.2}.stat-label{font-size:var(--font-xs);color:var(--text-muted);margin-top:4px}.stat-num.primary{color:var(--primary)}.stat-num.warning{color:var(--warning)}.stat-num.success{color:var(--success)}.stat-num.danger{color:var(--danger)}.badge{border-radius:10px;padding:2px 8px;font-size:10px;font-weight:600;display:inline-block}.badge-warning{color:#f59a23;background:#fff3e6}.badge-success{color:#2ba471;background:#e6f7ee}.badge-primary{color:#0052d9;background:#e8f0fe}.badge-danger{color:#e54545;background:#fff0f0}.badge-secondary{color:#666;background:#f5f5f5}.btn{font-size:var(--font-sm);cursor:pointer;letter-spacing:.4px;background:var(--primary);color:#fff;border:none;border-radius:20px;padding:10px 20px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.btn:active{background:#003da5;transform:scale(.96)}.btn-outline{color:var(--primary);background:#fff;border:1px solid #d0e0fb}.btn-outline:active{background:#f8faff}.btn-danger{background:var(--danger)}.btn-danger:active{background:#c53030}.btn-success{background:var(--success)}.btn-block{text-align:center;width:100%;display:block}.btn-secondary{color:#555;background:#f5f5f5}.btn-sm{border-radius:16px;padding:6px 14px;font-size:12px}.data-table{border-collapse:collapse;width:100%;font-size:var(--font-sm);margin-top:6px}.data-table th,.data-table td{text-align:left;border-bottom:1px solid #f0f0f0;padding:8px 10px}.data-table th{color:#555;background:#f8f9fa;font-weight:600}.data-table tr:last-child td{border-bottom:none}.info-row{border-bottom:1px solid var(--divider);justify-content:space-between;align-items:center;padding:10px 0;display:flex}.info-row:last-child{border-bottom:none}.info-label{color:var(--text-secondary);font-size:var(--font-base)}.info-value{color:var(--text-title);font-weight:500;font-size:var(--font-base)}.progress-bar{background:#eee;border-radius:3px;width:100%;height:6px;margin-top:6px}.progress-fill{background:var(--primary);border-radius:3px;height:100%}.form-group{margin-bottom:12px}.form-label{font-size:var(--font-md);color:var(--text-secondary);margin-bottom:6px;display:block}.form-input,.form-textarea,.form-select{border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;font-size:var(--font-base);background:#fff;padding:12px 14px;font-family:inherit}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--primary);outline:none}.form-textarea{resize:vertical;min-height:80px}.empty-state{text-align:center;padding:40px 20px}.empty-title{font-size:var(--font-lg);color:var(--text-secondary);margin-bottom:8px}.empty-desc{font-size:var(--font-sm);color:var(--text-muted)}.status-tag{border-radius:10px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.status-draft{color:#f59a23;background:#fff3e6}.status-pending{color:#0052d9;background:#e8f0fe}.status-approved{color:#2ba471;background:#e6f7ee}.status-rejected{color:#e54545;background:#fff0f0}.user-card{margin:-16px var(--gap-card) var(--gap-page);background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);align-items:center;gap:14px;padding:16px;display:flex}.user-avatar{background:var(--primary-light);width:56px;height:56px;color:var(--primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:22px;font-weight:600;display:flex}.user-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%}.user-name{color:var(--text-title);font-size:18px;font-weight:600}.user-tag{color:var(--text-muted);margin-top:4px;font-size:12px}.user-tag .badge{margin-left:6px}.list-item{border-bottom:1px solid var(--divider);align-items:center;padding:12px 0;display:flex}.list-item:last-child{border-bottom:none}.list-content{flex:1}.list-title{font-size:var(--font-base);color:var(--text-title);font-weight:500}.list-desc{font-size:var(--font-sm);color:var(--text-muted);margin-top:2px}.list-action{font-size:var(--font-sm);color:var(--primary);font-weight:500}.exchange-item{border-bottom:1px solid var(--divider);align-items:center;padding:14px 0;display:flex}.exchange-item:last-child{border-bottom:none}.exchange-icon{width:44px;height:44px;color:var(--orange);background:#fef7ee;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;margin-right:12px;font-size:15px;font-weight:600;display:flex}.exchange-info{flex:1;min-width:0}.exchange-name{color:var(--text-title);font-size:15px;font-weight:500}.exchange-desc{color:var(--text-muted);margin-top:2px;font-size:12px}.exchange-cost{color:var(--orange);white-space:nowrap;margin-right:10px;font-size:15px;font-weight:600}.exchange-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:20px;padding:6px 14px;font-size:13px;font-weight:600}.exchange-btn:disabled{cursor:not-allowed;background:#ccc}.exchange-btn:active{background:#003da5;transform:scale(.96)}.tx-item{border-bottom:1px solid var(--divider);justify-content:space-between;align-items:center;padding:12px 0;display:flex}.tx-item:last-child{border-bottom:none}.tx-left{align-items:center;gap:10px;display:flex}.tx-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:600;display:flex}.tx-icon.earn{color:var(--success);background:#e6f7ee}.tx-icon.spend{color:var(--danger);background:#fff0f0}.tx-reason{color:var(--text-title);font-size:14px}.tx-date{color:var(--text-muted);margin-top:2px;font-size:11px}.tx-amount{font-size:15px;font-weight:600}.tx-amount.earn{color:var(--success)}.tx-amount.spend{color:var(--danger)}.task-item{border-bottom:1px solid var(--divider);align-items:center;padding:12px 0;display:flex}.task-item:last-child{border-bottom:none}.task-status{border-radius:10px;margin-left:auto;padding:2px 8px;font-size:12px;font-weight:600}.task-status.pending{color:var(--orange);background:#fff3e6}.task-status.done{color:var(--success);background:#e6f7ee}.task-status.expired{color:var(--danger);background:#fff0f0}.group-card{border-radius:var(--radius);background:#f9fafb;margin-bottom:12px;overflow:hidden}.group-header{background:var(--primary-light);justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.group-name{color:var(--text-title);font-size:15px;font-weight:600}.group-actions{gap:8px;display:flex}.group-action{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:4px 10px;font-size:12px;font-weight:600}.group-action.secondary{color:var(--text-body);border:1px solid var(--border);background:#fff}.group-action:active{transform:scale(.96)}.student-select{grid-template-columns:repeat(3,1fr);gap:8px;max-height:200px;padding:10px 0;display:grid;overflow-y:auto}.student-chip{text-align:center;cursor:pointer;background:#f9fafb;border:2px solid transparent;border-radius:10px;padding:8px;font-size:13px;transition:all .15s}.student-chip.selected{border-color:var(--primary);background:var(--primary-light)}.student-chip .chip-name{color:var(--text-title);font-weight:500}.balance-card{margin:var(--gap-page) var(--gap-card);background:var(--card);border-radius:var(--radius);text-align:center;z-index:2;padding:24px;position:relative;box-shadow:0 2px 8px rgba(0,0,0,.06)}.balance-label{color:var(--text-muted);font-size:13px}.balance-value{color:var(--orange);margin:8px 0;font-size:48px;font-weight:700;line-height:1}.balance-unit{color:var(--text-muted);font-size:14px}.balance-detail{border-top:1px solid var(--divider);justify-content:center;gap:24px;margin-top:16px;padding-top:16px;display:flex}.balance-detail-item{text-align:center}.balance-detail-value{color:var(--text-title);font-size:18px;font-weight:600}.balance-detail-label{color:var(--text-muted);margin-top:2px;font-size:11px}.alert{border-radius:var(--radius);margin:var(--gap-page) var(--gap-card);background:#fff3e6;padding:14px 16px}.alert-title{color:var(--orange);font-size:14px;font-weight:600}.alert-desc{color:var(--text-muted);margin-top:4px;font-size:12px}@media (max-width:440px){.card{margin:var(--gap-page) var(--gap-card)}}@media (min-width:768px){:root{--font-xs:12px;--font-sm:13px;--font-md:14px;--font-base:15px;--font-lg:16px;--font-xl:20px;--font-xxl:24px;--font-xxxl:32px;--gap-card:20px;--gap-page:16px;--nav-height:64px}#app{max-width:900px}.card{padding:20px}.stat-num{font-size:var(--font-xxxl)}.balance-value{font-size:56px}}@media (min-width:1024px){#app{max-width:1100px}.card{padding:24px}}