*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#f5f5f5}.login-container{min-height:100vh;display:flex;justify-content:center;align-items:center;background:#fff}.login-card{width:400px;padding:40px;background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;border:1px solid #e8e8e8}.login-title{text-align:center;margin-bottom:30px;color:#333}.layout-header{display:flex;justify-content:space-between;align-items:center;padding:0 24px}.header-title{color:#fff;font-size:18px;font-weight:700}.header-user{color:#fff}.content-wrapper{padding:24px;min-height:calc(100vh - 134px)}.page-card{background:#fff;border-radius:8px;padding:24px;margin-bottom:16px}.upload-area{border:2px dashed #d9d9d9;border-radius:8px;padding:40px;text-align:center;cursor:pointer;transition:border-color .3s}.upload-area:hover{border-color:#1890ff}.qrcode-container{text-align:center;padding:20px}.qrcode-image{max-width:200px;margin:20px auto}