.profile-header{background:var(--brand-primary);padding:20px var(--mobile-padding) 24px;display:flex;align-items:center;gap:14px}.profile-avatar{width:56px;height:56px;border-radius:50%;background:#ffffff40;display:flex;align-items:center;justify-content:center;flex-shrink:0}.profile-avatar svg{width:28px;height:28px;stroke:#fff;fill:none;stroke-width:1.5}.profile-info{color:#fff}.profile-info .name{font-size:17px;font-weight:var(--fw-semibold)}.profile-info .meta{font-size:var(--font-sm);opacity:.85;margin-top:2px}.info-list{background:var(--bg-card);margin:var(--mobile-card-gap) var(--mobile-padding);border-radius:var(--radius-lg);overflow:hidden}.info-item{padding:14px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-light);font-size:var(--font-md)}.info-item:last-child{border-bottom:none}.info-item .label{color:var(--text-secondary)}.info-item .value{color:var(--text-primary);font-weight:var(--fw-medium)}.action-list{background:var(--bg-card);margin:var(--mobile-card-gap) var(--mobile-padding);border-radius:var(--radius-lg);overflow:hidden}.action-item{padding:14px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-light);font-size:var(--font-md);cursor:pointer}.action-item:last-child{border-bottom:none}.action-item:hover{background:#fafbfc}.action-item .arrow{color:var(--text-muted);font-size:16px}.action-item.danger{color:var(--danger-text)}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;pointer-events:none;transition:opacity .2s}.modal-overlay.active{opacity:1;pointer-events:auto}.dialog-box{width:280px;background:#fff;border-radius:12px;overflow:hidden;transform:scale(.95);transition:transform .2s}.modal-overlay.active .dialog-box{transform:scale(1)}.dialog-content{padding:24px 20px 20px;text-align:center}.dialog-title{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.dialog-desc{font-size:14px;color:var(--text-secondary);line-height:1.5}.dialog-actions{display:flex;border-top:1px solid #eee}.dialog-btn{flex:1;padding:14px 0;border:none;background:transparent;font-size:15px;cursor:pointer}.dialog-btn:active{background:#f9f9f9}.dialog-btn.cancel{color:var(--text-secondary);border-right:1px solid #eee}.dialog-btn.confirm{color:var(--danger-text);font-weight:500}.sheet-bottom{position:absolute;bottom:0;left:0;width:100%;background:#fff;border-radius:16px 16px 0 0;transform:translateY(100%);transition:transform .3s cubic-bezier(.1,.8,.2,1);padding-bottom:20px}.modal-overlay.active .sheet-bottom{transform:translateY(0)}.sheet-header{padding:16px;text-align:center;font-size:15px;font-weight:600;border-bottom:1px solid #eee;position:relative;color:var(--text-primary)}.sheet-close{position:absolute;right:16px;top:16px;font-size:18px;color:#999;cursor:pointer;padding:0 4px}.account-item{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid #f8f8f8;cursor:pointer}.account-item:active{background:#f9f9f9}.acc-avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700}.acc-info{flex:1}.acc-info .name{font-size:15px;font-weight:500;margin-bottom:2px;color:var(--text-primary)}.acc-info .school{font-size:12px;color:var(--text-muted)}.acc-current{color:var(--brand-primary);font-size:12px;font-weight:500;background:#3478f61a;padding:4px 8px;border-radius:4px}.add-account{display:flex;align-items:center;justify-content:center;gap:6px;padding:16px;color:var(--brand-primary);font-size:15px;cursor:pointer;border-bottom:8px solid #f5f5f5}.sheet-cancel{padding:16px;text-align:center;font-size:15px;color:var(--text-secondary);cursor:pointer}.full-modal{position:absolute;top:0;left:0;width:100%;height:100%;background:#f5f5f5;transform:translate(100%);transition:transform .3s;display:flex;flex-direction:column;z-index:1100}.full-modal.active{transform:translate(0)}.fm-header{background:#fff;height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;font-size:16px;border-bottom:1px solid #eee;color:var(--text-primary)}.fm-btn{color:var(--text-secondary);font-size:14px;cursor:pointer;padding:4px}.fm-btn.save{color:var(--brand-primary);font-weight:500}.fm-content{padding:16px;flex:1;overflow-y:auto}.form-group{background:#fff;border-radius:8px;overflow:hidden;margin-bottom:16px}.form-row{display:flex;align-items:center;padding:14px 16px;border-bottom:1px solid #f5f5f5}.form-row:last-child{border-bottom:none}.form-row .label{width:88px;color:var(--text-secondary);font-size:14px}.form-row input{flex:1;border:none;outline:none;font-size:14px;color:var(--text-primary);background:transparent}.form-row input:disabled{color:var(--text-muted)}.form-tip{font-size:12px;color:var(--warning-text);margin-top:-8px;margin-bottom:16px;padding:0 4px;line-height:1.5}@keyframes fadeInOut{0%{opacity:0;transform:translate(-50%,-40%)}10%{opacity:1;transform:translate(-50%,-50%)}90%{opacity:1;transform:translate(-50%,-50%)}to{opacity:0;transform:translate(-50%,-60%)}}